Vibration and Vibration Modification of Vertical Centrifugal Pump

Domestic large-scale vertical centrifugal pump in the course of operation, there vibration, often up and down the bearing fever, damage, and even pump shaft and bearing connections wear. Pump instability, affecting the normal water supply, the need for its damping control. First, the pump vibration analysis 1, domestic vertical pump 28SLA-10 is transformed directly from the horizontal pump. The vertical height between the motor base and the pump base is 4.3m and the drive shaft weighs 3t. Compared with the horizontal pump, it adds a length of 3752mm diameter 140mm intermediate drive shaft. In the structure, in addition to the middle drive shaft with a bearing, without any modification (Figure 1). The four pumps long-term operating pressure of 0.7 ~ 0.85MPa. In the high head, flow conditions, such a high center of gravity, high-quality system of high-speed rotation, the centrifugal force is great, will cause greater vibration of the unit. Coupled stent and pump out of the water connection stiffness is not enough, resulting in a large displacement of the pump and the connector. Displacement of the pump during operation results in a change in the bearing condition of the bearing. As the vibration increases, it is easy to generate heat. If the correction of displacement pump to improve bearing stress conditions, can reduce the vibration of the system. 2, rigid connection between pump and drive shaft. Due to manufacturing and installation reasons, the pump shaft is concentric with the drive shaft during operation, causing the pump to vibrate. The vibrations generated by motors, transmission shafts and other sources are also directly transmitted to the pump to form a superposition of vibrations to further increase the vibration of the pump. In addition, this rigid connection to increase the water pump bearing the external force, resulting in easy to heat the bearing, affecting the pump shaft. Second, the reform situation For the above reasons, we have taken the following two steps to transform. 1, to strengthen the pipeline stiffness. Taking into account the more difficult for the pump to strengthen, take the outlet pipe in the pump welding "stiffener" approach. Along the direction of inlet and outlet water, flanges at both ends of the connection pipe between the outlet pipe and outlet valve at the outlet of the water pump are welded with 8 steel plates with a thickness of 32mm and a width of 100mm. Increase the stiffness of the steel pipe to reduce the amount of deformation, resistance to pump displacement. After measuring, stiffened, the displacement of pump A point dropped to 0.35mm. 2, the transformation of the transmission system. In order to reduce the motor, the vibration of the transmission shaft is transmitted to the water pump, and the rigid connection between the water pump and the transmission shaft is changed to a flexible connection. Use GB4323-84 elastic sleeve pin coupling, the maximum compensation displacement of 0.6mm, compensation angle of 1 ° 30 '. In this way, the vibration of the motor and drive shaft can be compensated by the flexible coupling, and the vibration can not be directly transmitted to the pump. Third, the transformation results After transformation, the measured vertical centrifugal pump vibration by the transformation of the vibration speed 4.3cm / s reduced to 1.48cm / s. According to the vibration intensity standard ISO2372-1974 can determine that the pump is running in the best area. At the same time, the pump runs smoothly, the bearings only need normal maintenance, and the shaft of the pump is abraded, indicating that the transformation is successful.

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Pneumatic glue pump, heavy oil pump, side vertical pneumatic pump, clear the way through the pump

First, clean the bottom of the pump seat ball; Second, unscrew the bottom of the pump seat, clean the plunger ball; Third, the two cleaning purposes must allow the ball rotation, the internal residual glass fragments or label paper is cleaned. Fourth, if there are more parts of the heating element raffinate, the outer casing can be unscrewed silo unscrew, for cleaning. 5, Unscrew the straight pipe or elbow connected to the discharge port for cleaning. Six, the surface of the pump body, you can use a soft cloth to wipe. Seven, pneumatic glue pump to stop working in the case of not using water please soak to the discharge port position. Note: The entire cleaning process electrical box should not water, otherwise the machine will be damaged!

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What do you mean by provocation and defecation in Chinese medicine scraping?

Modern scraping therapy is based on ancient scraping. Modern scraping therapy is an external treatment method that is more widely used in the treatment of scraping on the basis of ancient scrapings. It is one of the clinical characteristics of traditional Chinese medicine. So do you know what provocation and pretensions mean? They are a way of scraping. Here's how we can find out:

Provocation method:

Refers to the method by which a scraper picks up a certain part of a patient's body surface with a needle to treat a disease. This law is mainly used for the treatment of dark clams, sleepers, phlegm, boring and other illnesses.

Before provocation, prepare 75% alcohol, sterilized cotton swabs, and sterilized three-needle, neutral sewing needle, or 916 injection needle. The wiper first disinfects the local skin with a cotton swab, picks up the flesh with his left hand, holds the needle in his right hand, and swiftly penetrates and picks outwards, picking 3 points for each part and squeezing the purple dark with both hands. Bleeding blood, repeated 56 times, and finally wiping with a sterile cotton ball.

Placement method:

Also known as puncture therapy, acupuncture veins or point-acupuncture points for bleeding, for the treatment of phlegm to achieve the treatment of disease, known as the liberation therapy.

During the treatment, the patient takes a comfortable position and fully exposes the treated site. If the patient is placed in a vein, he or she should first fasten the patient's left arm near the center of the arm with a tape or tourniquet and ask the patient to hold the palm. Then, disinfect the skin with a topical iodine swab and de-iodine with 75% alcohol. Then acupuncture bloodletting. When bleeding is done at the acupoints, it can be directly punctured with a triangular needle or sewing needle after the skin is disinfected according to the condition of the patient.

Precociousness can be divided into diarrhea and pricking. It is basically similar to the provocation method, but it is more irritating and mostly used for severe first aid.

1, diarrhea blood law:

Disinfect the punctured area, press the lower end with your left thumb, squeezing the upper end with a rubber tube, and holding the disinfected triangular needle, sewing needle, or injection needle in the right hand to the vein of the site to be punctured, quickly pierce the vein and release the needle 0.51mm deep. Make a small amount of blood flow out and press the needle hole with a sterile cotton ball. This method is applicable to superficial veins in elbow sockets, axillary fossa, and temples (this method is difficult and should be performed by a professional).

2. Puncturing:

Before the acupuncture, press the site to be squeezed so that blood accumulates at the acupuncture site. After routine disinfection, the left thumb, the food, and the middle three fingers grip the punctured site, and the right hand holds the disinfected triangular needle, sewing needle, or injection needle. Align the punctured position and quickly pierce the skin 1-2mm deep out of the needle, gently squeeze around the needle hole to make it a small amount of bleeding, and then press the needle hole with a sterile cotton ball. This method is mostly used for acupuncture points at the ends of fingers or toes.

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Forklift gear pump repair of major parts

(1) Cylindrical gear wear and glue, so that the radial gap increases, the light of the use of no significant effect, better than repair; serious should be replaced gear. Face gear wear on both sides, the light from the line, the grinding can be used to grind off the burr marks; serious wear, grind on the grinder. However, as long as one gear wear, the other gear also need to grind to ensure that the thickness difference between the two gears within 0.005mm. Grinding should also pay attention to face and hole, face and face the higher accuracy. After grinding the oil stone to sharp edge burr, but not chamfering. Oil pump gear are one-way work, so the tooth surface are single-sided wear. Can be worn gear tooth stone removed with burrs, gear meshing orientation, can restore the performance of the pump. (2) When the end surface of the bearing frame is worn or the thread is peeled, the four bearing frames may be ground on the surface grinder with the non-gear contact surface as a reference, and the end surface is polished out once. The bore is generally less wear and tear, if the wear is serious, available grinding or grinding aperture to repair size, matching needle. Damaged surfaces can be polished when worn, scratched, and grooved with bosses or axially floating bushings. The method is to put No400-600 on the smooth surface of the abrasive paste, plus wash oil or wax on the surface of the side plate gently rotating, polishing. (3) pump body wear generally occurs in the suction chamber, some of the pump structure from the transposition method can be used to repair, about the pump body around its axis 180 °, the oil into the pressure chamber cavity to restore its ability to work. Can not be replaced with transposition method of the pump body, copper sleeve method can be used to repair. When the gear due to wear and tear after the end face, in order to maintain the axial clearance, the rear end of the pump body must be ground to the appropriate thickness.

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How to buy high viscosity pump

In practice, there are many high-viscosity materials, such as resin, rubber, high-viscosity food, asphalt, oil, chemical raw materials, etc. When choosing a high-viscosity pump, , But also to consider the properties of the material and pump conditions of practice. For a molded pump, the parameters have generally been positive, then the use of the manufacturer's practice situation is very important. High-viscosity pump seal repair, replacement, promotion lunch, more convenient in maintenance, high-viscosity pump bearing cavity increases, the bearing part of the overall become an integral part, just unscrew the top wire can spin down the entire sealed chamber, the seal can be from Select the high-viscosity pump to stop the reasonable choice to ensure that the selection of high-viscosity pump has excellent use of features and features, accurate selection of high-viscosity pump as follows: 1. High-viscosity pump seal maintenance, Change, to promote lunch, more convenient in the maintenance, high-viscosity pump bearing cavity increases, the bearing part of the overall become an integral part, simply unscrew the top wire can spin down the entire sealed chamber, the bearing can be sealed from the bracket local direct Remove, so not only greatly save the maintenance time, but also make maintenance easier. High-viscosity pump in the maintenance of superior serviceability, factoring and the updated convenience. 2. Increase the third big advantage of high viscosity pump bearing cavity: the majority of stent cavity supply space, without dismantling the pump, you can stop the conditioning of the packing. 3. The main parts can be based on the process of changing the needs of various types of high temperature, wear-resistant, erosion-resistant, high pressure, and self-smooth material. 4. The solidification of the whole piece of forging, to prevent the vibration, strong external force on the formation of the seal, bearing the impact. Ensure the stability of pump protection. 5. High-viscosity pump gear tail gap adjustable: high-viscosity pump can be based on the needs of viscosity, after conditioning gear gap, to reach the pump at different viscosity of the process request. The second big advantage of the overall bearing box is that just by changing the transfer bearing box to complete the gap adjustment. Easy to operate without removing any part of the pump. 6 large flow pump to complete the work under high pressure, will not have a serious accident. 7. Strong bold axis to ensure the stability of pump protection. 8. Insulation jacket overall forging, insulation results are good, zero leakage. 9. A variety of high temperature packing seal, extraordinary material, extraordinary design, invented the wonders of packing seal over mechanical seal. So far, P Plus pump consumption of high-viscosity pump once constituted 5-1500cst, 1500-6000cst, 6000cst-10000cst,cst four different viscosity limitations, different series of high-viscosity plane pump system. To meet different conditions under the premise of a variety of high-viscosity media delivery.

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Deep blue technology Chen Haibo: RFID technology to do unattended retail too pull

July 28 message at the idea of ​​business e-commerce services in 2017, Shen Lan Technology CEO Chen Haibo made a public speech, he said that the Internet era has ended, the arrival of the artificial intelligence era, we need to use artificial intelligence technology to change the retail, The market is a good artificial intelligence business.

Chen Haibo believes that the future of retail should have the following characteristics: First, the future is the era of artificial intelligence, retail intelligence, unmanned is just the trend, artificial intelligence will assume the task; second is not a service robot instead of salesperson, the store is the store type Robot; Third, the product must be able to be long-range non-contact identification, machine vision is the right direction; Fourth, you can prove that you are your only, the safest and most convenient payment tool is the people themselves; Fifth, smart retail first To make C-client shopping more minimalist steps, while allowing B-side businesses to reduce costs and improve viscosity, improve the model; Fifth, the best shopping is like getting things at home, the best settlement is to forget the settlement.

In addition Chen Haibo believe that the future retail pattern must be online + smart retail accounted for a major part of the traditional retail may account for only about 10%.

In the process of retail upgrade, Chen Haibo divided the existing unattended retail technology into four genres:

First, IoT genre, RFID tag affixed to the radio, the front desk no one, but the background has increased.

Second, the Internet genres, mobile scan sweep, had to go to the store holding money can buy, now do not take the phone seems to do anything, scan code to enter the door, rely on their own credit code scan, we think this is not spending Want it.

Third, the combination of Internet of things and Internet genres. For example, Amoy coffee, the ordinary physical store three or four-step shopping process expanded to a dozen steps, is not like the consumer is questionable.

Fourth, artificial intelligence genre. They think that in the future stores should be viable and have their own brains to complete retail based on the accurate identification and analysis of users, products, needs and habits.

Deep blue technology CEO Chen Haibo

The following is a speech record:

What is the real future of retail? Last month, 25 we have opened a artificial intelligence to change the retail conference, we think the Internet era is over, the arrival of artificial intelligence, we want to use artificial intelligence technology to change the retail market is used Good artificial intelligence business.

First, the new retail changes and trends

What is the new retail? We think the real retail pain point is the "two highs and one low," the rent increase and the decline in gross profit, the real retail pain can not be solved with artificial intelligence technology? This is worth trying, electricity supplier is already a tradition Retail, retail unmanned, intelligent is a rigid trend.

What is the future of retail? This involves two lines of dispute: the e-commerce business that the future is the era of Internet big data, but we believe that the future is the era of artificial intelligence, the Internet, big data is the foundation of artificial intelligence era, like air and Sunshine, it is essential, but it can not save your life, if the future is the artificial intelligence era, we should use artificial intelligence technology to solve the problem, we think no matter what the new retail interpretation, should and must face the future, full of intelligence Upgrade.

So, our suggestion is smart new retail, we want to redefine the new retail with artificial intelligence.

First of all, we have to redefine the word "smart". The term "smart" has been abused for some time. Before the stairs went up, the light of the corridor turned on and the smart lighting was called. In fact, this is not called Intelligent, all based on the implementation of the program command is not called smart, if you go home to open the curtains on the curtains, this is not smart, but if your house to see you with a girlfriend to go home, it adjusts the lighting is very romantic, Very soft, this is called intelligence.

Because now the world has entered the era of artificial intelligence, so here I want to redefine the word "smart", below I say "smart" refers to artificial intelligence.

The current status of smart retail development, the world and China are relatively poor, we think that if only self-checkout machine is not smart retail, but by customers rely on credit checkout is not called smart retail, traditional self-service machine we do not think shopping is the original scene , Shopping is to get the goods, choose the goods and then pay the money. Of course, there are also open-door freezers using RFID tags on the market today. RFID was born in the 1930s. The cost of this item, combined with the manual labor of pasting a piece of merchandise, we found it too puzzling and there were so many non-friendly media that metal , Liquid, aluminum foil ranging from packaging are not recognized or the recognition rate is very low, these obvious technical defects for retail, but also to allow customers to checkout, this model future worrying.

During the retail upgrade, we found several schools:

First, IoT genre, RFID tag affixed to the radio, the front desk no one, but the background has increased.

Second, the Internet genres, mobile scan sweep, had to go to the store holding money can buy, now do not take the phone seems to do anything, scan code to enter the door, rely on their own credit code scan, we think this is not spending Want it.

Third, the combination of Internet of things and Internet genres. For example, Amoy coffee, the ordinary physical store three or four-step shopping process expanded to a dozen steps, is not like the consumer is questionable.

Fourth, artificial intelligence genre. As we carry a single banner, we believe that the future of shops should be living, have their own brains, can be based on the precise identification and analysis of users, products, needs and habits to complete the retail.

IoT genre of goods to paste a lot of RF tags, in fact, it is better to use self-checkout more appropriate. If the products have to be pasted one by one, how to ask each of them to cooperate so as not to tear it apart, and we think obvious technical defects lead to obvious pattern defects.

Internet genres, all based on credit, we scan code into the store, sweep their own commodity checkout, in fact, you can take it away.

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NB-IoT enhanced technology, you know how much?

In order to meet more application scenarios and market demands, 3GPP conducted a series of enhancement technologies to NB-IoT in Re-14 and completed the core specifications in June 2017. Enhanced technology adds positioning and multicasting capabilities to provide higher data rates, paging and random access on non-anchor carriers, enhanced connectivity mobility, and support for lower UE power levels.

Positioning function: Positioning service is the basic requirement of many things in the Internet of Things. Based on the location information, many value-added services can be derived. NB-IoT enhancements introduce OTDOA and E-CID positioning techniques. The terminal can report its positioning technology supported by the network to the network, including positioning technologies based on OTDOA, A-GNSS, E-CID, WLAN and Bluetooth. The network side selects a suitable positioning technology according to the capabilities of the terminal and the current wireless environment.

Multicast function: NB-IoT enhances the introduction of multicasting technology in order to more effectively support functions such as message grouping and software upgrade. Multicast technology Based on the SC-PTM of LTE, the terminal receives the bursty service data through the SC-MTCH.

Data Rate Boost: The new capability class UE Category NB2 was introduced in Rel-14. The maximum transport block supported by Cat NB2 UE is increased to 2536 bits on both uplink and downlink. The peak-to-downlink peak rate of a non-anchor carrier can be increased to 140/125 kbps.

Non-anchor Carrier Enhancement: For better load balancing, Rel-14 adds paging and random access to non-anchor carriers. In this way, the network can better support large connections and reduce the probability of random access conflicts.

Mobility Enhancement: NB-IoT Control Plane in Rel-14 The CIoT EPS optimization solution introduces RRC connection reestablishment and S1 eNB RelocaTIon IndicaTIon flow. When the RRC connection is reestablished, the original base station may return the unreserved NAS data to the MME through the S1 eNB RelocaTIon IndicaTIon procedure, and the MME then delivers the NAS data to the UE through the new base station. User plane CIoT EPS optimization scheme in the wireless link failure, the use of LTE in the original switching process data forwarding function.

Lower UE power level: The Rel-14 introduces 14dBm UE power level based on the original 23 / 20dBm power level. This can meet some without extreme coverage conditions, but requires a small battery applications.

China Telecom's Tellabs Terminal Laboratory and all parties in the industry chain work together to provide convenient one-stop test and certification service for NB-IoT terminals in both domestic and international markets. It will continue to promote the commercialization of terminals and the scale application of Internet of Things .

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Face recognition technology in the smart city nine applications inventory

With the rapid promotion of face recognition technology, face recognition applications accelerate the landing, since 2016, Face Recognition in the banking, securities, financial and social security, transportation, education, e-commerce, college entrance examination, airports, Screen, heat high. At present, face recognition has risen from industries with low security and reliability requirements, such as security and community, to those with high security and reliability such as financial social security, securities, banking, internet finance and e-commerce. Faced with the upsurge of smart city development, face recognition has become an advantageous weapon to promote the construction of smart cities.

The typical applications include:

1. Pension collection management. With the socialization of pension funds in full swing, the problem of taking a pension as a pension fund has become increasingly prominent. It is very difficult for the social security agencies to manage the health and living conditions of retired staff. The total number of retirees Up to one billion yuan. The use of face recognition technology can effectively check staff and reduce the loss of pensions.

2. Tax certification system. At the grassroots level, taxpayers often issue ID-based ID cards, resulting in loss of tax revenue. As a result, taxpayers' invoices have become overcrowded on the day before the deadline, and the waiting time for normal taxpayers to wait in line has been too long. Through face recognition technology, the system automatically compares the portrait taken by the camera with the portrait in the identity information of the public security department, and real-time authentication is performed. It not only effectively relieved the pressure of window duty officers, improved the efficiency of tax collection, but also enhanced the real-name system tax experience and reduced the tax-related risks.

3. Suspect tracking system. Based on face recognition technology, it monitors the public places such as long-distance bus terminals and train stations, compares the face in the video with the database of suspects, and prompts the suspects once the suspects are identified in the crowd. This greatly reduces the workload of managers, improves the efficiency of arrest and increases the safety of the city.

4. Community Management System. In the smart city, taking the smallest unit community in the city as an example, the non-cooperative face recognition can help the property management department to provide owners with more friendliness in terms of visitor management, property notification (utility bill information, garage information, etc.) Natural life experience.

5. Building access control system. Face recognition intelligent access control system by building an intelligent management capabilities of the identification system, combined with advanced face recognition algorithm, can accurately and quickly identify the face and open the door to improve the safety of buildings and homes.

6. Candidates authentication management system. Based on the special needs of the examination industry, it integrates computer, communication, network, face recognition technology, database and other diversified technologies into one application system project, providing examination agencies with such functions as information extraction, identity verification and management of ID card, and more For an efficient and fair test environment.

7. Driving learner's identity information and safe driving management system. Including the scene to verify, student identity, get off the car sign, driving time control.

8. Intelligent diet management system. The system carries out face recognition when the students bake the rice, records the daily dishes purchased by the students, gives the meal adjustment opinions according to the medical examination results of the hospital, records the case that the students waste more than 30% of the single waste food continuously, continuously optimizes the dishes and adjusts the student's diet structure .

9. Business Intelligence Analysis System. In physical business, the target customers' diversion and precision marketing have become important expenses of commercial costs. The efficiency of traditional passive shopping mall signage, manual push and shopping guide decline makes the precision marketing with artificial intelligence as the new point of business growth. Face recognition system can make full use of machine vision recognition and induction of human face features, the customer's gender, age, mood, etc. as the corresponding characteristics of business needs, targeted real-time delivery of customer interest content for the business goal Customer diversion and precision marketing. On the other hand, through the observation and study of the interest content of different groups of people, the matching accuracy of the target population push content is gradually improved.

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Autumn 20 types of health tea go to Qiuzao

Into the autumn, autumn, dry weather, temperature difference between morning and evening, it is dry mouth, dry lips, Chinese medicine called "Qiuzao", after the beginning of autumn, the temperature difference is larger, you want to health, you need to drink the following tea. The best way to keep your health in the fall is to drink tea. What kind of tea is suitable for that fall health? Here are the teas recommended by Xiaobian for autumn health.

1, olive health tea

It is composed of large-leaved sun-dried hair tea, alfalfa olives, gynostemma pentaphyllum, and chrysanthemum. With thirst, thirst, throat, spleen and stomach, lowering blood pressure, and strengthening the body. The olive tea tea soup is dark brown in color, the entrance is smooth, the back is sweet, and has a clear fragrance.

2, chrysanthemum tea

Chrysanthemum tea can clear the heat of the table, Liver eyesight. Suitable for drinking in the summer cold, fever, cold, dry mouth, urine yellow, red tongue, thin yellow coating, can also be used for high blood pressure early headache, red eyes and other symptoms. Use 5 grams of dried chrysanthemum tea every day for drinking. Chrysanthemum and honeysuckle and licorice can also be used together for tea. The boiling time should not be too long.

3, Hawthorn tea

Hawthorn has the role of digestion and stagnation, promoting blood circulation. Hawthorn tea is often consumed to lower blood sugar and regulate blood pressure. Several times a day, use 1-2 cups of fresh Hawthorn fruit to make tea. If you want to help digestion, you can eat fried hawthorn or coke hawthorn.

4, three fresh tea

Although Liqiu has arrived, but the dog days are not over yet, recommend a drink suitable for this weather: 30 grams each of fresh musk, fresh peland and fresh mint. The raw material is chopped and slightly boiled, and juice is taken on behalf of the tea. Relieve heat and heat, and resolve the stomach. Fresh musk, fresh Perrin can Qingshu Huashi, and the stomach to solve the table, for the summer commonly used to solve the symptoms of Qingshu medicine, and match mint, can enhance the medicine tea divergence evil, heat hurricane's function.

5. Two teas

Erzi tea is made from cassia seed and wolfberry fruit. It is good for the liver, kidney and eyesight. It is suitable for the symptoms of dizziness, dry eyes, blurred vision and dry stools caused by high blood pressure. According to Akiko 50 grams, 15 grams of wolfberry fruit, 50 grams of crystal sugar. Slightly fry the cassia seed and crush it. Place it in a teapot with wolfberry fruit and rock sugar. Pour boiling water into the teapot and cover it with boiling water for 15 minutes. Drink 1 day.

6, osmanthus tea

In summer, many people feel that their skin is dry, or that they get scratchy and hoarse due to getting angry. They often drink osmanthus green tea or osmanthus oolong tea, which can also relieve the effect. Drinking osmanthus tea can eliminate bad breath and maintain oral health. With a small amount of sweet-scented osmanthus brewing in water, the water temperature can not be too high, can be maintained at about 85 degrees.

7, jasmine tea

Jasmine tea is a tea unique to China and is a reprocessed tea. "Chinese Dictionary" records that jasmine has the function of regulating qi and promoting phlegm and liberation, and has good anti-inflammatory and detoxifying effects on diarrhea, abdominal pain, conjunctivitis and sore itch. Changyin Jasmine Flower, Qing Ganming Eyes, thirst, phlegm, phlegm, water, qi, wind, qi, wind, qi, strength, blood pressure, strong heart, anti-radiation damage, anti-cancer, anti-aging effect, so that People are prolonged and healthy.

8, green tea

Green tea, also known as Oolong tea, is a semi-fermented tea, between green and black tea. Oolong tea, rock tea, and Dahongpao are all green teas. Green tea not only has the fragrance of green tea and natural flowers, but also has the mellow taste of black tea. It is neither cold nor hot, moderate in warmth, and often drink can emollient, benefit the lungs, produce fluid, and throat, effectively remove the body heat and restore body fluids. Jin Qiu health care has great benefits.

9. Peony tea

Peony nourishing and liver, scattered phlegm, adapted to facial chloasma, skin aging, Changyin can make blood, beauty, full of energy. Peony can reduce physiological pain, regulate menstruation and blood circulation, and it is helpful to treat anemia and beauty. Peony tea can relieve pain, relieve cough, cleanse heart and lungs, stop leaking, promote blood circulation, prevent hypertension, cure joint pain, rheumatism and other effects. Prepare dried peony, tea, sugar, water, and pharmacies sell it. Take 6 to 7 peony flowers in a cup. Add enough tea, inject approximately 80 degrees of water, add sugar, and drink after cooling. Jiufu can make the skin tender, full of ruddy and full of vitality, and restore youthful vitality. Peony is best to drink alone, but it can also be brewed with green tea.

10. Trollius tea

The lotus is known as “Saiwai Longjing”. There are folks saying “Ningpin has three flowers and do not drink two or two teas”. After brewing, the tea is not only clear and bright, but also has a faint scent. It has the functions of clearing heat, detoxifying, maintaining liver and eyesight, and refreshing. The brewing lotus has blossoms that are ornamental and its taste is bitter, and can be seasoned with appropriate amount of sugar or rock sugar.

Edible Starch Mixer

Edible Starch Mixer,Starch Mixer,Coupling Starch Mixer,Yam Starch Mixer

Shuangfeng County Dingyuan Machinery Manufacturing Co. Ltd.. , https://www.separators.pl

How to use NFC technology in the life of the device?

Mobile phones are essential personal belongings that gradually replace the original objects of life, including keys, access control cards, credit cards, tickets, etc. How can NFC technology be used in human life through portable devices?

NFC (NearFieldCommunication, short distance communication technology) is actually not a new technology, but the recent application-related issues more and more, especially the topic of third-party payment is heated up, occasionally we are suddenly concerned that the phone in the non- Contact with the machine in the case of mutual induction and achieve the purpose of payment is to use NFC technology, the most typical example is the bus card. What is the NFC technology and its application level where?

What is the reason for the development of NFC?

NFC has evolved from the fusion of Radio Frequency Identification (RFID) and Internet technology, which is a development and innovation of contactless technology and RFID technology. It is a short-range wireless communication technology standard.

The basic application of NFC technology can be divided into the following four categories: contact through, such as access control, tickets and tickets, the user simply portable device with a ticket or gated password mobile device near the reading device can be. Contact confirmation, such as mobile payment, the user by entering the password or just accept the transaction, confirm the transaction. Contact connection, such as connecting two built-in NFC devices for point-to-point data transmission, such as downloading music, photo intercommunication and synchronous exchange of communication books; contact browsing, a built-in NFC device can seamlessly browse storage In another NFC-enabled device in the information.

At present, NFC is widely used in mobile phones. It is not new to use mobile phones to sense other devices to achieve wireless transmission. However, since mobile phones are an indispensable item for modern people, more and more applications extend from mobile phones equipped with NFC functions The more extensive.

Fodder Cutter

Fodder Cutter,Chaff Cutter,Chaff Cutter Machine,Mini Chaff Cutter

Hunan Xinta Machinery Manufacturing Co., Ltd. , https://www.china-agricultural-product.com

Marine monitoring weapon shallow sea "white dragon" buoy successfully developed

It is always one of the difficulties of ocean observation that the shallow sea sea surface meteorology and all deep hydrological fixed point observation and data real-time return.

Recently, on the basis of the original deep-sea "Bailong" buoy, researchers at the Oceanographic and Climate Research Center of the First Institute of Oceanography of the State Oceanic Administration have developed a shallow sea model suitable for shallow-sea ocean hydrological and meteorological observation through design innovation and technological breakthroughs "White Dragon" buoy.

The buoy can not only observe the sea surface temperature, pressure, wind speed and direction, relative humidity, rainfall, longwave and shortwave radiation and other parameters, but also by inductively coupled transmission technology, real-time acquisition of the ocean surface to the bottom of the sea water temperature, salinity, Elements. The collected field data can be sent to the shore station in real time through Iridium, for real-time processing and sharing.

At 10:00 on July 19, the shallow-sea "Bailong" buoy was carried by the Xianghong-81 survey ship and was successfully deployed in the central Yellow Sea (123.5 ° E, 36 ° N). The diurnal variation of the Yellow Sea cold water mass at that station was obtained On-site hydrological and meteorological data and return in real time. The next day, the buoys were successfully recycled.

The successful development of the shallow-sea "Bailong" buoy has further enhanced the hydrological and meteorological observation capabilities in shallow water in China, and provided important technical support for the real-time monitoring of shallow-sea oceans and the improvement of the precision of ocean forecasting.

Ceiling Channel Roll Forming Machine/Ceiling Batten Machine.

In modern society, there are two types ceiling are quite popular: CU wall angel roll forming machines and the other is T gird Roll Forming Machine. According to different customers, there are different type`s requirements. But all those types, We have common size and customized size. All the machine is designed by customer's demand.

Ceiling Channel Roll Forming Machine

Ceiling Channel Roll Forming Machine, Ceiling Panel Rolling Machine, ceiling frmae roll forming machine, Ceiling Board Making Machine,Ceiling Batten Machine

Zhongtuo Roll Forming Machinery Co., ltd , https://www.frameforming.nl

What is female urinary incontinence?

Core Tip: Incontinence is often expressed in novels after people are frightened, but in life, some women cough a sneeze and even lead to leaking. Fortunately, there are still ways to deal with this situation.

Swelling is a phenomenon that people love to see. However, when the liquid is not spewing out after exhausting the solution, it is indiscriminate when it is inadvertently drooling. (Of course, here is a fight.) For example, blown fluid and urine are not the same thing). Urinary incontinence is a problem that plagues many women. Although the direct impact on health is not serious, the “old wet” issue is also enough to disturb, which will directly affect the quality of life on weekdays, emotional status, and body image. Sex life. According to the American Center for Medical Quality and Medical Research, more than 13 million Americans suffer from urinary incontinence, and 85% of them are women.

Incontinence is not uncommon

Where the body stores urine is located in the bladder, urine is excreted through the urethra. Urinary bladder contraction of the bladder wall, the urine "squeeze" out of the bladder, into the urethra, while the urethral sphincter relaxation, so that the urine can be excreted smoothly, so when the control of urination, nerve spread, bladder muscle contraction or urinary sphincter contraction If you don’t give your “door”, you will have incontinence. When you feel that you cannot control the discharge of urine, it may mean that urinary incontinence has been found. In most cases, there will only be a very small amount of one or two drops. Of course, there are occasional unfortunate cases of excessive traffic. However, do not think that incontinence is a bad and shameful thing that only happens to you. This is much more common than you think. In the United States, about 25%-45% of women suffer from urinary incontinence problems. Do not think that urinary incontinence is an exclusive problem for middle-aged and elderly women. In fact, affected by genetic factors of sports injury or muscle injury, 20% to 30% of female patients are young people.

There are differences in incontinence

Short-term urinary incontinence may be caused only by urinary tract infections, drug side effects, or constipation, which can be cured with minor adjustments or treatment. The more intractable urinary incontinence problems mainly include two types of Stress incontinence and Urge incontinence.

Stress urinary incontinence is the most common bladder control problem and refers to the formation of pressure on the bladder in the form of sneezing, coughing, laughing, jogging, jolting, or other conditions that eventually lead to "cannot suppress." In general, the amount of urine in stress urinary incontinence will not be large. The pelvic floor muscle strain may be the culprit causing this problem. The pelvic floor muscle is the muscle group that closes the bottom of the pelvis. This muscle group is like a "draft net", urethra, bladder, vagina, uterus, rectum and other organs. By this "net" tightly hanging. When the pelvic floor muscles are damaged, once the "net" elasticity becomes poor and the "constraining power" is insufficient, the organs in the "net" cannot be maintained in the normal position. At this time, the muscles that control the opening and closing of the urethra will be affected. The corresponding impact. Fertility, weight gain, or strenuous exercise can cause damage to the pelvic floor muscles.

Urgent urinary incontinence refers to the sudden and strong urge of the patient to go to the toilet, resulting in the release of water before rushing to the toilet. This does not mean, of course, that it takes place during the "brewing" period when urination is too long, but rather that a small amount of urine also causes this. There are also patients who do not feel anything at all until "this is the point."

Some patients with urinary incontinence will have more serious conditions. The urine volume may be greater, soaking the pants or running down the legs. Patients with multiple sclerosis, Parkinson's disease, or urinary tract infections may all induce urinary incontinence. Of course, in real life, the difference between the above two situations may not be obvious. Linda Brubaker, a professor of female pelvic medicine at Strick's School of Medicine at Loyola University in Chicago, believes that most patients will experience both conditions. The difference in real life may not be as big as we think.

It is not too difficult to deal with incontinence

For most patients, subtle changes in lifestyle may be of great benefit in inhibiting urinary incontinence. Here are some points:

Record your "drinking urine diary log" to know exactly what you are doing. At the same time, this is also a diagnostic material that doctors attach great importance to;

Do not drink a lot of water at a time, this will increase the pressure of the bladder in an instant, you can try to drink a small amount;

Caffeine is a typical diuretic, so drink less like cola, coffee, etc.

Take appropriate control of emotions, don't forget to laugh, control the level of coughing sneezes;

Maintain a healthy weight;

If you go to the toilet a few times, you will not lose shame. Observe the shortest path towards the toilet in advance and wear loose clothes to prepare for the unexpected;

Bladder exercises. Try to increase your own time to stay, control your emotions, take a deep breath, and slow your breathing. For example, if you go to the toilet every 30 minutes, you can gradually extend it to 40 minutes and 50 minutes until the urgent symptoms are relieved.

Try simple pelvic muscle exercises, such as "Kegel" training.

The surgical study of urinary incontinence is also under way. Although the effect is considered to be half-baked, there are already about 200 surgical methods. For example, suspension or slinging techniques can be used to support the bladder neck or support the urethra with surgical lines or slings to relieve problems caused by muscle damage and treat stress urinary incontinence.

Recently, research by the Urinary Incontinence Treatment Network showed that after 2 years of surgery, patients treated with suspensions are prone to urinary tract infections or urge urinary incontinence, but they are still used 2/3 of the time. Patients treated with slings and about half of those treated with surgical wire suspensions cured stress urinary incontinence. The satisfaction rate of sling treatment was as high as 86%, and the satisfaction rate of suspended treatment patients was also 78%. It can be seen that the surgical treatment of urinary incontinence is still promising.

In the end, we must mention two points. For women, there is no need to worry too much. Urinary incontinence is a common situation. There is no need to feel so envious that it is hard to see people. Regardless of the age of the patient, most types of urinary incontinence are treatable.

Our Medical Tube products is good in quality and competitive in price. We are manufacturer and supplier Medical Tube products following your specific requirement. We are looking forward to your E-mail and establishing cooperative relationship with you! We would provide professional Medical Tube products with good services for you!

Medical Tube

Irrigation Syringe, Tracheostomy Tubes, Nasal Oxygen Cannula, Wound Drainage System

Ningbo Cland Medical Instruments Co., Ltd. , https://www.ruipumedical.com

What is a gear pump

Gear pump is a kind of positive displacement pump, which consists of two gears, the pump body and the front and the back cover to form two enclosed spaces. When the gear rotates, the volume of the space on the side of the gear to be disengaged increases from small to large to form a vacuum, The volume of the space on the engagement side is reduced from large to large, and the liquid is squeezed into the pipe. The suction chamber and the discharge chamber are separated by the meshing line of two gears. The pressure at the outlet of the gear pump depends entirely on the resistance of the pump.

Carbon Steel Boiler Tube

Carbon Steel Boiler Tube,Alloy P22 Steel Pipe,Astm Carbon Steel Boiler Tube

YUHONG GROUP CO.,LIMITED , https://www.jessro-pipefittings.com

Lin Boqiang: Technological progress is the key to energy-saving power plant

In recent years, China's energy storage industry has developed rapidly, but the development of energy storage power plants has lagged behind. Among the many factors that constrain the development of storage plants, the cost factor is one of the most important factors. To reduce costs and promote the long-term and healthy development of energy storage power plants, technological progress is the most crucial driving force.

Lin Boqiang: Technological progress is the key to energy-saving power plant

Recently, the battery is a hot topic. In addition to the development of electric vehicles, energy storage plants are also an important aspect of battery utilization.

The development of China's storage and power stations is relatively slow, but the R & D investment in large-scale energy storage technologies is relatively large and the R & D progress is relatively fast. At present, BYD, Clou Electronics and many other listed companies have entered the storage power station market.

Most of China's previous energy storage plants were pumped storage power plants, mainly for peak regulation or cooperation with nuclear power plants. It should be said that with the decline in battery costs in recent years, the installed capacity of electrochemical energy storage showed a rapid growth trend. However, due to the restriction of market mechanism, system restriction and experience, the development of China's storage power station still lags behind.

According to the DOE's statistics on projects of storage power plants in various countries around the world, China's new installed capacity in 2016 is less than 0.1 GW, about one-tenth of that in the United States. The installed capacity is even smaller than in Germany and Italy. After many years of technological progress, large-scale energy storage and power plants have started to cross the breakeven point and have already made profits in some areas. In the future, with the continuous improvement of technology, the expansion of production capacity and the improvement of market mechanism, large-scale energy storage may enter the golden age of development.

In addition to the need for technological progress, it is also important to participate in the investment and financing model for the construction of storage power stations and research and development. In addition to the demonstration projects, most of the stored energy stations currently under commercial operation are self-funded by enterprises. According to the current electricity price policy, there is more power to invest in energy storage, such as hotels, shopping malls and other demand-side and large peak-valley difference in commercial enterprises. Therefore, the specific mode of investment and financing depends on the financing mode of these enterprises themselves. However, it is generally based on the indirect financing of bank loans or the investment of self-owned enterprises. In the future, with the increase of policy support, we do not rule out a richer model of investment and financing, such as integrating social capital into the energy storage sector through PPP and other modes.

The economy of energy storage power station operation depends on the cost reduction and quality improvement brought by technological progress, but also requires a relatively good business model. Under the existing electricity market mechanism, the economy of energy storage and power station operation is mainly embodied in demand-side electricity price arbitrage. For example, in some areas the difference between the peak and valley prices reached 1 yuan / kWh or more, the application of energy storage began to have the economy. If the future energy storage costs can be further reduced, it can also be used as a supplement to renewable energy power plants to help increase the consumption of renewable energy. In addition, energy storage plants abroad often can also be used to provide peak shaving, FM and power storage services. Therefore, with the promotion of China's power system reform in the future, there will be plenty of room for application in this area.

So what technologies are currently mainly used in China's large-scale storage power plants under construction and how much is their construction cost? At present, China's storage power station under construction is mainly based on lithium-ion batteries, there are a small amount of vanadium flow battery. Most of the data on construction costs are not disclosed at this time. Of course, if the simple calculation, you can refer to Tesla Powerpack price of 250 US dollars / kWh, coupled with inverter and other equipment investment. Due to the relatively low degree of industrialization in China, coupled with the strong demand for automotive batteries, resulting in relatively insufficient supply of batteries, so the cost of installation will be higher than Tesla's price.

Constraints on the development of energy storage power station there are many main factors that are mainly reflected in several aspects: The first is the cost factor. Currently, energy storage plants can only be economically operated in some areas. The future want to get large-scale applications, but also to be further reduced the cost of technology advances and quality to be further improved, and the implementation of government subsidies. Followed by the improvement of the electricity market system, including the electricity price mechanism and market access mechanism. For example, the need to allow non-government investment in the storage power plant to participate in the peak frequency regulation of power grid services, but also should be stored energy storage plant as a power grid, which needs to be considered in the process of power system reform. Once again, there is a need to have successful case studies. Storage and storage power stations are relatively new investments. A batch of demonstration projects are needed to let everyone see the feasibility of operation.

Currently, the energy storage industry requires the state to subsidize energy storage plants. Whether subsidies should be paid for a new and important energy technology should mainly be based on two considerations: First, whether the investment in the project possesses positive externality (including the positive externality of resources and the environment); second, whether such products are Is a strategic new industry. Storage plants have the positive externalities of helping to save renewable energy and stabilize the energy grid environment. From this point of view, subsidies should be provided. However, it is important to find effective subsidies in the industrial chain. The author thinks the important subsidy point should be research and development. For storage power plants, the effectiveness of subsidies and possible "fraud" problems should be carefully considered. In addition, it should be noted that, in this part of the externalities, renewable energy enterprises and power grids are the beneficiaries, so a reasonable subsidy sharing mechanism should be devised which can not be completely borne by the government.

On the whole, energy storage is a key part of clean development in the long run, and subsidies are needed for this critical sector in its early stages of development in order to establish a large enough market for enterprises to invest in R & D and investment. To implement the specific subsidy policy, you can refer to the distributed photovoltaic subsidy model, take the form of electricity subsidies. At the same time can be adjusted in terms of tariffs, cross subsidies through differential electricity prices.

Of course, subsidies and other modes of installation can also be used to promote the application of energy storage and power stations. However, the design of installed subsidies needs to be cautious and the motivation and possibility of "fraud cheating" should be reduced as much as possible. For example, the U.S. government subsidizes $ 7,500 per Tesla, but with a limit of 200,000 for each brand and a cumulative sales of more than 200,000 subsidies. Tesla has already used 100,000 units, and it is generally estimated that next year No longer enjoy the subsidy. Such a mode of subsidy should be able to reduce the incentive to cheat and compensate.

Due to the importance of energy storage technologies for changing human energy systems and clean development, China can not lag behind in energy storage development and should narrow its technological gap with the world through policy support as soon as possible. In general, the basic principles of subsidies and support should be: Subsidy policies should consider the effectiveness of subsidies, subsidies in a reasonable manner and intensity, to avoid the waste of social resources and industry disorderly development. Energy storage subsidies should be able to reflect its externalities. Therefore, it is necessary to formulate a subsidy policy in light of the actual situation in different places to avoid one-size-fits-all. Different endowments of energy resources around the different load characteristics of electricity demand is also different, not the same as the energy storage, using a one-size-fits-all subsidies easily lead to distortion of resource allocation. Therefore, it is necessary to separately calculate and calculate the externality magnitude of peak regulation and auxiliary services that energy storage can bring to the local power grids according to the electricity market situation in each province, and then make up the differential subsidy amount.

We are putting most of our resource and effort into Ratchet Straps and their accessories.

Besides ratchet buckle,straps,what else is missing?

Yes,End Fittings,so here are what we strongly suggest especially for 1'' ratchet straps-S Hooks.

It has various diameters which decides its breaking strength,and we have 680kgs/1,500Lbs,800kgs/1,760/Lbs,1,00kgs/2,200Lbs as well as 1,500kgs/3,300Lbs for you.

And yet,you can only get Hooks here or the whole ratchet straps with hooks,all fine black coated.

S Hooks

PVC Coated S Hook,Double S Hook,Black S Hook,Metal Steel Galvanized

WINNERLIFTING(H.K.)INT'L TRADING LIMITED. , https://www.massagebeds.nl

Gear pump maintenance

1, start: (1) Check all pipeline flanges before starting, the tightness of joints. (2) Disc drive coupling, no friction and collision sound. (3) The first start should be injected into the pump liquid. (4) should be fully open before inhalation and discharge of the valve in the pipeline, closed valve is strictly prohibited to start. (5) After verifying the direction of motor rotation, start the motor. 2, parking: (1) turn off the motor. (2) Close the pump inlet and outlet valves. (3) Check each valve is closed.

T Post/Y Post can be installed with the panels without clamps and bolts, with easier installation and wider application.

T Post specification:

type: America standard with plate, Europe standard without plate

size: 0.95lb/ft, 1.25lb/ft, 1.33lb/ft

length: 5'-8'

surface treatment: hot dip galvanized or paint green normal

Y post specification:

standard size: 30*30*3mm, 35*35*3.5mm

weight: 1.32kg/m, 1.46kg/m, 1.83kg/m, 1.98kg/m, 2.05kg/m, 2.45kg/m

height: 1000mm, 1200mm, 1500mm, 1750mm, 2000mm, 2200mm, 2400mm

Surface treatment: galvanized and paint coated common color: black

*Related Products:t post,y post,star picket.

T/Y Post

Galvanized T Post,Pp Y Plastic Post,Galvanized Y Post,T Post,Y Post

Anping Deming Metal Net Co.,Ltd , https://www.wovenfence.nl

Food must-see: Eat more food that makes people crazy

The temptation of food is unstoppable, but many foods can have a detrimental effect on the body when they are brought to people. Let's take a look today.

1. Cake - must be fat

Food is divided into dense and non-intensive foods. Apart from fruits and vegetables that are not intensive, other foods, such as meat, milk and grains, are intensive foods.

The food matching method is that we can use only one kind of dense food to match the vegetables in the same meal. Cakes containing large amounts of protein and starchy substances are all dense foods, and they must gain weight when they eat.

2. Kimchi promotes premature aging

When salting fish, meat, vegetables and other foods, it is easy to convert the added salt into nitrite. Under the catalytic action of enzymes in the body, it can easily react with various substances in the body to produce carcinogens of imines. More susceptible to cancer and promote premature aging.

3. Deep-fried seafood promotes aging

Peroxide lipids are peroxides of unsaturated fatty acids. For example, edible oils such as fish, shrimp, and meat are fried. When they are left for a long time, peroxidized lipids are formed; dried fish, bacon, etc. that have been exposed to the sun for a long time; biscuits, pastries, oil tea noodles, oils, etc. In particular, fats and oils that are prone to produce hazel flavors are produced. After the oil is rancid, it produces peroxy lipids.

The researchers found that when peroxy lipids enter the human body, they will have a great destructive effect on the body's acid system and vitamins, and accelerate the aging process.

4. Chocolate will make you sick

No matter what kind of chocolate it is, it belongs to high-calorie, high-sugar and high-fat foods, and it can't be matched with sodas or drinks such as fruit juices.

It is a good choice to have a cup of hot tea when you eat chocolate. Tea can absorb the oil inside the chocolate and reduce the probability of food accumulation.

5. Kelp causes skin melanin deposition

Kelp has a certain medicinal value, because there is a lot of iodine in kelp, excessive intake of iodine can cause serious skin melanin deposition, and then there are speckle spots on the horror!

6. Orange will cause yellow skin

Sweet and sour oranges, many people think that after eating to eat to help digestion, but do not know that oranges also contain a lot of carotene, if you eat too much or the recent continuous intake of excessive levels of carotenoids in the blood Will cause yellowing of the skin.

Plant Extract has been classified to two types by extraction methods including the standard plant extract and ratio extract in china local market. If we want to distinguish between the two types ,we can see from the ingredients that we should pay attention to. The standard plant extract will be tested of its special ingredients that in the product maybe by HPLC, UV, TLC etc,but for the ratio extract,we don't pay attention to the special ingredients that in it or not,not to mention the purity of one ingredient.if you still confused about the cllasfication,pls contact us to know more.

Ratio Plant Extracts

Ratio Plant Extracts,Ginseng Root Extract,Plant Extract Powder,Fenugreek Extract

Organic Herb Inc. , https://www.extracts.pl

New technologies from Google make cloud services faster

Alphabet Inc., a subsidiary of Alphabet Inc., is confident of new ways to deal with the problem of network-scale network congestion and is currently introducing the technology to the Google Cloud Platform (GCP) to provide enterprises with infrastructure services.

Google has introduced a new BBR network algorithm that has been used to speed up its consumer services such as YouTube and Google.com, which may be the next step in boosting public Internet performance. The company said it has seen significant improvements in these services and is now offering it to users of Google Cloud Platform (GCP).

Google CEO Sandal Pizarre at Google Developers Conference in California in May 2016

Google's BBR is a network congestion control protocol designed to handle common problems: congestion, congestion, and high-speed international links in complex networks that make up the modern Internet. Each mobile device can only receive a share of the backhaul of home stations. Home users Shared connectivity to DSLs or cable centers, as well as enterprises sharing thousands of devices through a handful of routers. All of this constitutes a network that does not realize its full potential.

Eric Hanselman, principal analyst at research firm 451 Research, said: "Today's Internet is like a prehistoric monster, and Google's BBR is the latest in a solution to the performance issues of the most difficult legacy protocol on the Internet."

While many data organizations transfer data from the data center without being affected by congestion, their impact is obvious when streaming, transferring large files, or requiring real-time responses. With the initial deployment of BBR, Google has made significant strides in YouTube and Google.com services. Now deployed on Google Cloud Computing Platform, users can take advantage of its own applications and services.

So BBR how to work?

Packet loss has been a signal of network congestion, but also the sender needs to reduce the data rate signal. Recent changes in the Internet architecture have led to the inefficiency of these technologies; large buffers have been deployed in the last mile of broadband connections, while long-haul connections are using switches with shallow buffers. This combination means that the Internet is blocked due to queuing delays in a large number of buffers and traffic instability on the main road.

Using these buffers, how do you determine the best speed to send data? Once you determine what the slowest link in any TCP connection is, the answer is simple. This link defines the maximum data transfer rate for the connection, as well as where the queue is formed. Knowing the round-trip time and bandwidth of the slowest link as the bottleneck in the connection, the algorithm can determine the best data rate to use, a problem that has long been considered almost unmanageable.

This is where the BBR name comes from: Bottleneck Bandwidth and Round-trip. Based on the latest developments in these computing and control systems, Google's network engineers have come up with a way to dynamically manage the amount of data over a connection so it does not take up the capacity of its bottleneck links, keeping the queue to a minimum.

Although TCP does not track bottleneck bandwidth connections, it can be estimated from the timestamp of the packet response. The BBR is capable of sending data at the maximum possible rate, limited by the speed at which connections are being generated by the application's data, limited by network capacity, and by accurately knowing which response packets should be sampled to obtain these estimates. Internet connections on the Internet are not static. If the connection is running in a steady state, the BBR occasionally raises the data rate to see if any bottlenecks have changed, which means it can react quickly to changes in the underlying network.

Fly thousands of times faster across the Atlantic

This improvement can be important; Google claims that its typical trans-Atlantic connection can be up to 2700 times faster. BBRs may also better match newer protocols (such as HTTP / 2), and instead use more than one connection, one single TCP connection may be used for multiple requests to the server.

The implementation of BBR as a sender algorithm means that Google can improve the end-user experience without having to upgrade all network devices and services between the Google Cloud Platform (GCP) and user devices. While this is a big win for YouTube, bringing the algorithm to the Google Cloud Platform (GCP) is an important step as it will handle the flow of more diverse applications.

How BBR Accelerates Google's Cloud Services

Google Cloud Platform (GCP) customers can take advantage of BBR support in three ways: by connecting to Google services that use it, by using it as a front end for applications that run through Google Cloud Web Services, or directly in their own IaaS applications.

Since Google's own service will use BBR, the user's cloud storage latency should be reduced, making applications like Spanner or BigTable more responsive. End users will gain even greater BBR support from Google's Cloud CDN (Better Media Delivery) and Cloud Load Balancing (BBB), which will route packets from different application instances.

If you want to use BBR in an IaaS application running on Google Compute Engine, you need to use a custom Linux kernel. Although BBR has contributed to the Linux kernel, it has not been used in the mainstream version, requiring users to add it from the web development department, configure it as GCE, and compile the kernel.

BBR can be compiled into the Linux kernel, and users can start using it on their own networks, especially if users are using Linux-powered network devices such as open compute switches. Switching from Google Cloud Platform (GCP) to BBR may draw interest from Google, the Linux community, and other network operators and vendors.

Hanse at 451 Research

Intergrated Design Batch Waste Plastic Pyrolysis Plant

Pyrolysis Plant is used for recycling waste tire, waste plastic, waste rubber to fuel oil. According to the actual situation in every country and district, we developed different models of Batch Pyrolysis Plants for waste tires, rubber and plastic with daily capacity 5 -10 tons.

Flowchat of Batch Waste Tyre Pyrolysis Plant

Advantages of Batch Waste Tyre Pyrolysis Plant

1. Full open door design: Speedy loading in and steel pulling out; Easily cooling down after one batch finished, saving time; No leaking with special high temperature flexible graphite packing.

2. Unique Craft Condensers: High condensing efficiency with more oil output. Good quality oil, longer lifetime, and easy to clean.

3. National Patent Unique Smoke Scrubbers: More efficient removal of the acid gas and dust of the smoke by neutralization, purification and absorption, environmental friendly without pollution.

4. National Patent Carbon Black Discharging System: Speedy fully enclosed Auto-discharging under high temperature, avoiding carbon black pollution, saving time.

5. Automatic Submerged welding technology, ultrasonic nondestructive testing, both manual and the automatic safety devices.

6. Sync Gas Recycling System: Fully burned after recycling and utilization, saving fuel and preventing pollution.

7. Direct Heating System: Enlarging heating square to lengthen the lifespan of the reactor and easy to control the temperature.

8. National Patent, unique heat insulation shell; high efficiency temperature keeping, excellent energy-saving effect.

Technical Parameter of Batch Waste Tyre Pyrolysis Plant

NO.	ITEM	PROJECT
1	Equipment Model	XY-7	XY-8
2	Door Model	Full Open Door	Full Open Door
3	Suitable Raw Materials	Rubber/Plastic Products	Rubber/Plastic Products
4	Structure	Horizontal Type Revolves	Horizontal Type Revolves
5	Reactor Size	Φ2200*6000mm Φ2600*6600mm	Φ2200*6000mm Φ2600*6600mm
6	Capacity for One Batch	5-6Mt; 8-10Mt	5-6Mt; 8-10Mt
7	Oil Yield of Tires	40%-45%	40%-45%
8	Work Pressure	Normal Pressure	Normal Pressure
9	Reactor Rotation Speed	0.4R/M	0.4R/M
10	Fuels Choice	Coal, Wood	Coal, Wood, Gas, Oil
11	Power	18KW/H	18-25KW/H
12	Cooling Method	Water Cycling	Water Cycling
13	Type of Drive	External Annular Gear	External Annular Gear
14	Heating Method	Direct	Direct
15	Type of Installation	With Foundation	With Foundation/Integrated Base
16	Noise dB(A)	≦85	≦85
17	Operation Mode	Intermittent Operation	Intermittent Operation
18	Total Weight(MT)	25-40	25-40
19	Installation Space Required	30m*10m	30m*10m
20	Manpower	3~4/batch	3~4/batch
21	Shipment	Ф2200×6000=1*40HC+1*40FR Ф2600×6600=2*40HC+1*40FR	Ф2200×6000=1*40HC+1*40FR Ф2600×6600=2*40HC+1*40FR

Integrated Design Batch Waste Plastic Pyrolysis Plant

Intergrated Design Batch Waste Plastic Pyrolysis Plant,Waste Plastic Pyrolysis Plant,Rubber Pyrolysis Recycling Plant

Shangqiu Jinpeng Industrial Co., Ltd. , https://www.recyclings.nl