2BV water ring vacuum industry pump development

 In view of the continuous development of 2BV water ring vacuum pump, according to the use characteristics of products and other aspects, many manufacturers combine with the actual situation of the company, take the development of high cost performance of products as the advantage, actively develop and produce the products, improve the performance of the overall strength of the products, improve the practical application ability of the products with perfect production attitude, and constantly promote its development The driving force of the exhibition is to develop the form of practical application of products and promote the rationalization of the company's production, so as to reflect the goal of enterprise development. 

In order to develop 2BV water ring vacuum pump, it is necessary to develop the application effect in all aspects according to the practical performance of the product, promote the overall development of the product according to the design requirements of the unit, expand its continuous development advantages with a higher product form, and enhance the in-depth application ability in all aspects. Only by strict production management mode can the product quality be guaranteed Large power for the development of enterprises, so as to expand the advantages of unit application capacity.

In the whole vacuum industry, the position of 2BV water ring vacuum pump is also gradually improved. From the superiority of its practicability, it can hold the ability of products. In the process of effectively improving the ability of product application and development, it is necessary to further promote the development of its performance and expand the application value of the product.

Water Ring Vacuum Pump

Dry Scroll Vacuum Pump

industrial vacuum pumps,vacuum furnaces 

Sealing mode of vacuum pump

When the vacuum pump is working, it has higher requirements for sealing effect. Because once the sealing effect of the vacuum pump in operation does not meet the relevant requirements, it is easy to cause the vacuum pump failure, unable to run normally. Therefore, before the formal start-up of the vacuum pump, its sealing effect must be tested to ensure that there is no problem before starting to use. At present, there are four sealing methods for the vacuum pump 

1. Oil seal is a self tightening lip seal. The utility model has the advantages of simple structure, small volume, low cost, convenient maintenance and small resistance moment. It can not only prevent the medium leakage, but also prevent the external dust and other harmful substances from entering the vacuum pump. 

2. Power supply sealing. When the vacuum pump is running, the pressure head generated by the auxiliary impeller balances the high-pressure liquid at the outlet of the main impeller to realize sealing.

3. The labyrinth seal of vacuum pump has reasonable design, excellent processing, good assembly, high-speed rotation and good operability.

4. Packing seal is to put the compressed and elastic packing into the stuffing box of vacuum pump, and convert the axial pressure of pump cover into radial sealing force for sealing

Water Ring Vacuum Pump

Dry Scroll Vacuum Pump

industrial vacuum pumps,vacuum furnaces 

Application of pipeline pump in different fields

Because the inlet and outlet of the pipeline pump is in a straight line, and its caliber is the same, it can be installed in any position of the pipeline, so it is named pipeline pump. Today we talk about its use.

1. It is suitable for pressurized water supply in high-rise buildings, sprinkler irrigation in gardens, water supply to cooling tower, and pressurization of cold and warm water circulation equipment.

2. In heating, boiler and other industries, it is used for high temperature hot water pressurization cycle.

3. In food, pharmaceutical, wine making, chemical industry and other industries, it is used to transport corrosive media.

The above is the use of pipeline pump in different fields, I hope to help you.

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High frequency discharge in vacuum system is described

Do you know about high frequency discharge in vacuum system? If you don't know much about it, what is the high frequency discharge in vacuum system. High frequency discharge refers to the phenomenon of gas discharge when the frequency of power supply is more than 1 MHz. High frequency discharge can produce stable large volume plasma, so it is the most commonly used discharge form in plasma film-forming and etching technology.

The power frequency of high frequency discharge in vacuum system is usually 13.56 MHz. This is because in order to prevent the interference of high frequency electromagnetic wave radiation energy on communication, the frequency range for industrial use is specified by the international telecommunication authority, including the frequency of 13.56 MHz. However, due to the nonlinear effect of glow discharge, many harmonics of fundamental frequency appear in the discharge circuit, and the high-order frequency waves affecting communication are still emitted from the discharge circuit. The energy of these harmonic radiation in the circuit is much smaller than that of the fundamental frequency wave.

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Vacuum pump in beekeeping equipment

The pulp production frame or base strip shall be covered with sterilized wet towel and sent to Qianjing disinfection room. The heightening part of the platform base shall be cut off with a quick knife sterilized with alcohol, and then the larvae shall be picked out with a bamboo or stainless steel camera, and then the king's pulp shall be dug out with No. 2 oil painting brush or small shovel made of ox horn and bamboo and put into a plastic bottle. In order to improve the efficacy of digging royal jelly and improve the sanitary conditions in the process of extracting royal jelly, a pulp aspirator can be used to absorb royal jelly.

The aspirator is a kind of equipment that absorbs royal jelly from the base by the negative pressure produced by the suction device, also known as royal jelly aspirator. The utility model is composed of a suction device, a negative pressure bottle (which is omitted by some pulp absorbers), a slurry storage bottle, a spherical suction head, a pressure rubber tube and a glass tube. The air in the negative pressure bottle, the storage bottle, the glass tube and the rubber tube is continuously pumped out by the air suction device to form a negative pressure system, so that the pulp suction head can absorb the royal jelly from the foundation into the slurry storage bottle.

The electric vacuum pump is a small electric vacuum pump (pumping rate is. 5 L / s) as a pumping mechanism, it has high vacuum degree, high pumping rate and high working efficiency. But it needs a place with electricity to use.

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Piston of reciprocating vacuum pump

Reciprocating vacuum pump open type (cylinder) piston diagram is used in a small, slide free compressor.

When the press is working, the vertical component of the force acting on the speed bar presses the piston to the surface of the gas a, and the maximum value of the vertical component n corresponds to the beginning of the press out. The lift unit pressure on the side of the piston is determined by.

For high-speed compressors, it is desirable to minimize the weight of the piston. In addition to the widely used piston made of aluminum alloy in compressor manufacturing, the light-weight cast iron piston diagram can also be used. The cut on the side of the piston can not only reduce its weight, but also reduce the friction work.

The piston of the direct-current compressor is required to pass through the gas and is equipped with a suction valve at the top. The spherical diaphragm in the piston separates the suction volume from the crankcase.

When assembling the compressor, it can ensure that the piston fits the cylinder correctly. However, when the compressor is working, the adjustment achieved will be damaged due to the following reasons: the heat of the piston is higher than that of the cylinder, and the cylinder shape of the piston is distorted due to the influence of the rigidity of the ribs; while the cylinder is suction on one side and press out on the other side, and the temperature of the wall is high at both ends In the middle part, it will deform and lose the correct shape; elastic deformation under the action of gas pressure and piston force. As a result, instead of the contact of the overall bearing surface, the piston only supports on the cylinder with a small area with a particularly high load. Therefore, when the piston with a large diameter has a large diameter, there are often serious friction and scratches on the working surface, especially when the gas body with dust not removed is compressed well.

Water Ring Vacuum Pump

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Notes on the use of reciprocating vacuum compressor

Notes on the use of reciprocating vacuum compressor

① Always pay attention to the change of gas pressure and temperature at all levels, whether the temperature of lubricating oil and bearing exceeds the allowable value, and the change of current and cooling water temperature.

② Switch the oil filter regularly, check and analyze the quality of lubricating oil frequently, and replace the oil if it does not meet the specified requirements.

③ Always keep the parts complete and in good condition, and keep the body clean and sanitary.

④ Carry out scheduled maintenance on time and implement the maintenance system carefully.

⑤ Check the efficiency of oil separator and cooler regularly. If the efficiency is reduced, check and repair it.

⑥ The standby compressor shall be kept in full swing. When it is out of service for a long time, it shall be driven once a half month and run for half an hour.

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Vacuum pump drying in vacuum

Vacuum pump is widely used in the process of vacuum drying. The so-called vacuum drying is a kind of drying method that puts the material under negative pressure and reaches the boiling point under negative pressure through heating properly or makes the material solidify through melting point after cooling. Under the condition of negative pressure, the boiling point of the water in the material decreases with the increase of vacuum degree. At the same time, the water vapor content is reduced by the vacuum pump clearance, which makes the water and other solutions in the material obtain enough kinetic energy to separate from the material surface. In vacuum drying, some materials which are easy to oxidize and other chemical changes in the drying process can keep their original characteristics better because they are isolated from air under negative pressure, and the materials can also be better protected by vacuum pumping after injecting inert gas.

The process of vacuum drying is to place the dried materials in a closed drying chamber, vacuum the dried materials with a vacuum system and heat them continuously, so that the water inside the materials diffuses to the surface through the pressure difference or concentration difference, and the water molecules obtain enough kinetic energy on the surface of the materials. After overcoming the mutual attraction between the molecules, they escape to the low-pressure space of the vacuum chamber, so as to be true The process of pumping.

In the process of vacuum drying, the pressure in the drying chamber is always lower than the atmospheric pressure, the number of gas molecules is small, the density is low, and the oxygen content is low, so it can dry materials that are easy to oxidize and deteriorate, inflammable and explosive dangerous goods, etc. It can play a certain role in disinfection and sterilization of drugs, food and biological products, and can reduce the chance of material contamination or inhibit the growth of some bacteria.

Because the temperature of water is directly proportional to the vapor pressure in the process of vaporization, the water in the material can vaporize at low temperature during vacuum drying, which can realize low-temperature drying. This is beneficial to the drying of heat sensitive materials in some drugs, foods and agricultural by-products.

Dry Type Oilless Vacuum Pumps

EVP Helium Mass Spectrometer Leak Detector

industrial vacuum pumps,vacuum furnaces

Prolong the life cycle of imported vacuum pump

As a kind of modern industrial and agricultural production, scientific research, national defense and other industries and equipment, the imported vacuum pump is generally referred to as vacuum pump, which is powered by mechanical power equipment.

When the vacuum pump is applied in industrial production, it may slow down the operation performance of the vacuum pump due to various failures, thus reducing its one-time continuous operation cycle and affecting its life cycle. In addition, the installation and operation of the vacuum pump are not standardized, resulting in the high bearing temperature, bearing box fracture and other problems of the vacuum pump, greatly reducing the continuous operation cycle of the vacuum pump, so the maintenance personnel of the vacuum pump must often work overtime to repair and improve, which not only reduces the operation efficiency of the vacuum pump, but also greatly increases the production of finished products.

In fact, we can take some simple ways, such as innovating the equipment, guiding the operators to use the equipment in a standard way, regular maintenance and inspection of the equipment, regular lubrication of the equipment, and applying new technologies to improve the operation performance and prolong the life cycle of the vacuum pump.

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Market potential of dry screw vacuum pump

At present, the application of dry screw vacuum pump is very extensive, and the demand is infinite, so the development prospect of dry screw vacuum pump is also excellent, mainly from these aspects. The development prospect of the total dry screw vacuum pump is very good.

In the future, for the oil industry in oil production, oil transportation and oil refining, the demand for high-efficiency water injection pump, heavy oil pump, oil pipeline pump and screw pump will increase greatly, and the demand for different types of industrial pumps will be about 140000-150000 sets. For the three chemical pumps, the market for large-scale fertilizer Methylamine Pump, large and medium-sized high-temperature and high-pressure magnetic pump, and special material non-metallic chemical pump will also expand, and the demand for all kinds of chemical pumps will be 100000-120000.

At present, the model of dry screw vacuum pump is used in many working occasions. The whole adaptability of dry screw vacuum pump is strong and its efficiency is high. Recently, the design trend of dry screw vacuum pump is mainly designed for specific working conditions, which is more targeted, and the designed screw pump has high efficiency.

Dry screw vacuum pump is widely used in many industries, such as chemical plants, mines, pharmaceutical plants, food factories and so on. Now the application of dry screw vacuum pump is very extensive, the demand is infinite, so the development prospect of dry screw vacuum pump is excellent.

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The reason why the flow of vacuum pump can not reach

When the vacuum pump is in use, the flow rate determines the output. If the flow rate is too small, it can not meet the use requirements, which will seriously affect the use efficiency. So once the flow can not reach the situation we need to find out the reason in time, let's explain it to you.

If the flow of the newly installed vacuum pump fails to reach, first confirm whether the power supply is normal, and whether the reversal caused by the reverse connection of the wire leads to the flow failure, which needs to be eliminated one by one.

The reason why the flow can't be reached is also the wrong selection. Due to the high lift required by the actual working condition and the low lift of the pump, the required requirement can't be met. The vertical height of the on-site outlet pipeline is about 15 meters, and then the horizontal distance is about 1000 meters. After the use, the user's reflected flow can't reach the actual flow only about 60 m3 / h, so the situation can be seen from the above data If the head of the pump is too low, it can be sure that the local flow of the outlet water can not meet the design standard. The horizontal distance of 1000m must be calculated at least according to the head of 20m, so the head of the working condition must be 40-50m sewage pump products to reach the rated flow parameters.

If the flow of the used vacuum pump is not up to the standard, it may be caused by the abrasion and corrosion of the impeller and pump body, or it may be caused by the blockage of the pump body and pipeline. The elimination method is to first confirm whether the pump body and pipeline are blocked, and then check whether the impeller and pump body are worn and corroded, replace the new accessories or select the corrosion-resistant ones The stainless steel vacuum pump product or the self-priming pump product installed on the ground without soaking in water is more suitable. It is also possible that the flow can not be reached due to the loose impeller nut.

Piston Vacuum Pump

Oil Diffusion Vacuum Pump

industrial vacuum pumps,vacuum furnaces

Model of stainless steel vacuum pump

Stainless steel vacuum pump is widely used in our life, and the vacuum pump materials on the market are also various. What materials are suitable for our use? The classification of different application environments is also very different. Let's briefly understand the main classifications.

2BV water ring vacuum pump is suitable for continuous operation to form a vacuum and to remove dry and wet gases, mainly non flammable, non corrosive atmosphere and atmosphere / steam mixture. According to the requirements of customers, we can provide vacuum pumps suitable for flammable, explosive and toxic media.

In this case, users should take corresponding safety measures. The working fluid is usually water. 2BV vacuum pump is suitable for the occasions with more stringent requirements on corrosion prevention and sanitation. 2BV vacuum pump is used in the range of coarse vacuum; the limit vacuum is determined by the saturated vapor pressure of working fluid.

2SK series two-stage water ring vacuum pump is characterized by high vacuum degree and large pumping speed in high vacuum area; compact structure and convenient maintenance; wide application range, it can pump various gases containing water vapor, inflammable, explosive, a small amount of dust and a small amount of liquid; main water is used as working medium, with low maintenance cost; it can work in a relatively harsh environment.

It is suitable for working conditions with suction pressure lower than - 0.08mpa. 2sk-p1 series is suitable for working conditions with suction pressure lower than - 0.096mpa. When equipped with air pump, the limit vacuum degree can reach - 750mmhg. The working vacuum range is -0.03-0.08mpa.

Water Ring Vacuum Pump

Water Ring Vacuum Pump manufacturers

What is water ring vacuum pump

vacuum pump unit application preparation

When using a pump can not meet the requirements of pumping and vacuum, several pumps need to be combined to complement each other to meet the process requirements. The combined vacuum pump is called vacuum pump unit. The vacuum pump unit can make the vacuum system obtain better vacuum degree and exhaust volume, and the vacuum pump unit with high adaptability can make the working condition application obtain high application efficiency. Therefore, we should select the vacuum pump unit correctly.

The application of vacuum pump unit needs to make corresponding preparations, such as the selection and assembly of vacuum pump unit.

The vacuum pump unit shall be selected and applied according to the medium conditions, environmental requirements and working condition specifications of the application project. When extracting the gas, it is necessary to know the composition of the gas and the composition of the extracted gas. The gas contains no condensable steam, whether there is particle dust, whether there is corrosiveness, etc. Select the appropriate pump for the extracted gas. If the gas contains steam, particles and corrosive gas, auxiliary equipment, such as condenser, dust remover, etc., shall be installed on the air inlet pipeline of vacuum pump unit.

When using the vacuum pump unit with oil seal vacuum pump, it is necessary to determine whether the vacuum system has requirements for oil pollution. If the equipment is strictly oil-free, all kinds of oil pumps should be selected, such as: water ring pump, low temperature pump, etc. In addition, the impact on environmental pollution should be considered. If the environment is not allowed to be polluted, the oil-free vacuum pump should be selected, or the oil vapor should be discharged to the outdoor. If the requirements are not strict, oil pump can be selected, and some anti oil pollution measures, such as adding cold well, oil trap, baffle, etc., can also meet the requirements of clean vacuum.

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reciprocating vacuum pump Overview and principle

reciprocating vacuum pump Overview and principle

Limit vacuum of reciprocating vacuum pump (also known as piston vacuum pump), single stage is 4 x 102pa-103pa, double stage can reach 1pA, pumping speed range is 45m3 / h-20000m3 / h, which is used to extract gas from sealed container. The degree of extracted gas is not more than 35t. If auxiliary equipment, such as freezer, is added, swallow gas can also be extracted. The reciprocating vacuum pump has a large exhaust T, which is mainly used for vacuum impregnation, liquid steel vacuum treatment, vacuum distillation, vacuum Yanfa, vacuum concentration, vacuum crystallization, vacuum dry bath, vacuum filtration and vacuum operation of concrete.

Reciprocating vacuum pump is not suitable for pumping corrosive gas or gas containing granular dust. If there is dust in the aspirated valve, a filter must be installed at the inlet of the pump.

The oil-free reciprocating vacuum pump uses the piston ring and sealing ring of self-lubricating material, so there is no need to add oil for lubrication in the cylinder; an oil separation chamber is added between the cylinder and the engine body (its length is greater than one stroke length) to prevent the lubricating oil in the engine body from leaking into the cylinder along the piston rod, so the pump pairs the pumping system. Oil free reciprocating vacuum pump has vertical and horizontal structures.

The working principle of reciprocating vacuum pump is mainly composed of cylinder and piston which do reciprocating linear motion. The driving of the piston is done by the crank connecting rod. In addition to the above main components, when the exhaust valve and the suction valve are in operation, the piston in the cylinder will do reciprocating motion under the drive of the motor through the function of the crank connecting rod mechanism. When the piston moves from the left end to the right end in the cylinder, as the volume of the left cavity of the cylinder increases continuously, the density of the gas in the cylinder decreases, and the process of air extraction is formed. At this time, the gas in the container enters the left cavity of the pump body through the suction valve. When the piston reaches the right position, the cylinder is completely filled with gas. Then the piston moves from the right end to the left end, and the suction valve is closed. The gas in the cylinder is gradually compressed as the piston moves from right to left. When the pressure of the gas in the cylinder reaches or slightly exceeds the atmospheric pressure, the exhaust valve 4 is opened to exhaust the gas to the atmosphere and complete a working cycle. When the piston moves from left to right again, it sucks in a part of gas, and repeats the previous cycle, and so on, until a stable equilibrium pressure is reached in the pumped container.

Water Ring Vacuum Pump

Water Ring Vacuum Pump manufacturers

What is water ring vacuum pump

What about the leakage rate of water ring vacuum pump

What about the leakage rate of water ring vacuum pump?

With the development of vacuum industry, water ring vacuum pump has been widely used. In use, the most difficult problem for users is to detect the leakage rate of water ring vacuum pump. And it includes internal leakage and external leakage. The external leakage is better to detect, while the internal leakage is more difficult to handle. Here is a brief introduction to the leakage rate detection of the water ring vacuum pump:

1. Most of the internal leakage occurred on the equipment with water-cooled jacket. No doubt was found through checking the external leakage, but there were the following phenomena: the pumping speed of the mechanical pump was obviously low, the indication value of the vacuum gauge was low, the mechanical pump oil was quickly emulsified, and the iron-based parts in the vacuum chamber were obviously rusted. If the above conditions are met, internal leakage can be basically determined. Clean the inner wall first, and then pass cooling water to see if there is any wet point. The wet point is the leakage point.

2. Small leakage and micro leakage are difficult to check. The commonly used method is to use the ionization tube sensitive to some gases in high vacuum state to detect leakage, such as acetone or ethanol. Use a medical syringe to spray acetone or ethanol to the suspicious place. When it is sprayed to the leakage point, the pointer of the ionization meter will swing obviously. In this way, it is necessary to be patient and wait until the indicator value of the ionization meter is stable - that is, the pumping capacity and leakage rate of the vacuum unit are balanced, and then spray. It is better to repeat several times to confirm the leakage point.

3. For larger leakage point, flame method can be used. Based on the principle that air flow can make the flame deviate, vacuum first. For example, use candle or lighter to gradually search around the suspicious point, and it will be found that the flame deviates to the leakage point, then the leakage point can be found.

4. The stainless steel water ring vacuum pump can be selected. It has strong corrosion resistance and will not be used properly!

Water Ring Vacuum Pump

Water Ring Vacuum Pump manufacturers

What is water ring vacuum pump

Vacuum unit used in rare metal metallurgy

The process of vacuum system obtaining vacuum is called vacuumizing, also called vacuumizing or exhausting. The volume of gas pumped out per unit time under the specified air pressure is called pumping rate, i.e. pumping speed. It can also be called pump speed, and the unit is L / s. The minimum air pressure that a pump or a vacuum system can reach after exhausting for a long enough time is called ultimate vacuum degree

High vacuum condition is required for thin oil metallurgy. Therefore, a complete set of high vacuum unit equipped with mechanical pump and diffusion pump is often used. The vacuum can be pumped to 10-6pa in series with mechanical pump and booster pump. In order to further improve the vacuum degree, the adsorbent can be put in the working system or a cold well can be installed to absorb or condense the gas that has not been pumped out by the pump. Sometimes, the first level mechanical booster pump and unit are added In series or parallel connection, to improve the pumping capacity in a certain vacuum range.

In the high vacuum unit, the mechanical pump can reduce the air pressure from one atmospheric pressure, which is called the front stage pump; the diffusion pump can only pump from the lower air pressure to the lower air pressure, which is called the secondary pump. The air pressure at which the secondary pump starts to work is called the pre vacuum or pre vacuum. The best pumping speed of each kind of vacuum pump is corresponding to a certain inlet pressure. Therefore, it is necessary to allocate a reasonable vacuum unit in order to obtain the best vacuum efficiency. An unreasonable configuration will not only cause waste, but also cause the vacuum degree of the air system to fail to meet the expected requirements.

Water Ring Vacuum Pump

Water Ring Vacuum Pump manufacturers

What is water ring vacuum pump

water ring vacuum pump application

Many processes of industrial production, such as vacuum filtration, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum concentration, vacuum moisture return and vacuum degassing, will be applied to water ring vacuum pump. Here is a detailed introduction.

Vacuum filtration (dehydration): chemical plant, paper mill, iron ore plant, phosphate fertilizer plant, coal preparation plant, etc.

Vacuum distillation: milk factory, food factory, chemical factory, pulp factory, etc. Vacuum forming: plastic factory, rubber factory, tire factory, polyethylene product manufacturing, etc.

Vacuum impregnation: food processing, wood processing, textile factory, plywood factory, electric pole manufacturing, etc.

Vacuum disinfection: Infirmary, laboratory, etc. Compressed air regeneration: pulp, steel, automobile, glass, chemical industry, etc.

Vacuum degassing: bottler, water softening, food processing, food packaging, etc.

Vacuum water diversion: water plant, irrigation and drainage station, power station, water pump, etc.

Vacuum transportation: cigarette factory, can factory.

Other uses: wood drying, steam recovery, solvent recovery, soil purification and so on.

Due to the rapid development of vacuum application technology, people have been paying attention to the acquisition of vacuum. Because the gas compression in the water ring vacuum pump is isothermal, it can pump out inflammable and explosive gas, in addition, it can also pump out the gas containing dust and water, so the application is increasing day by day.

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Water Ring Vacuum Pump

vacuum pump station characteristics

The overall structure of vacuum pump station is determined by the overall structure of the pump body.

The vertical structure has horizontal inlet and outlet, and it is convenient to assemble and connect pipelines. But the center of gravity of the pump is high, and its stability is poor at high speed, so this type of pump is mostly used for small pump.

The air inlet of the horizontal pump is on the top and the air outlet is on the bottom. Sometimes, in order to facilitate the installation and connection of vacuum system pipes, the exhaust port can be connected from the horizontal direction, that is, the inlet and exhaust directions are mutually perpendicular. At this time, the exhaust port can be opened from the left or right direction. In addition to connecting one end of the exhaust pipe, the other end is blocked or connected with the bypass valve. The pump has low center of gravity and good stability at high speed. Generally, large and medium-sized pumps use this structure.

The two rotor shafts of the pump are installed vertically with the horizontal plane. The assembly clearance of this structure is easy to control, the rotor assembly is convenient, and the pump occupies a small area

What is water ring vacuum pump

Liquid Ring Vacuum compressor

Maintenance of water ring vacuum pump

With the development of the times, the progress of science and technology, the gradual improvement of people's life style, the gradual renewal of the way of thinking, the development of the mechanical industry and society, more and more commitments, the mechanical application field is more and more extensive, and the pump industry is gradually popularized, from the previous single pump to each now, all kinds of other industrial pumps are used, the time span.

Today, the social development of this pump is becoming more and more powerful, especially in the main aspects of this project, which has a wide range of uses. The pump types may be more or even more than a few, such as: water pump, sewage pump, mud pump, mud pump and water ring vacuum pump. Each pump feeding is more or less the same, for example, the water ring vacuum pump, its maintenance is not very difficult, because its application range is very wide, so the ground is also a normal phenomenon, so we should regularly maintain, if not ready to use for a long time, in order to prevent rust in the pump, we should often coupling. If you want to get the next use flexibility, or regularly add lubricating oil or grease to the bearing, then you can keep the bearing flexible and convenient for the next use. Use the water ring vacuum pump and vacuum pump body to unscrew the guide plug and pour water. Especially in the mechanical seal of the water ring vacuum pump, the motor is starting again.

In case of abnormal sound of water ring vacuum pump, stop and check the cause of pump body to avoid damage and impact on the project. The water ring vacuum pump changes the lubricating oil in the first month, 100 hours later, and every 500 hours later, the oil has one time. In order to continue to use, there is no flexibility of this phenomenon. Check the worn casing regularly and replace the large-scale casing.

Roots Water Ring Vacuum Pump System Installation

Water Ring Pump

Water Ring Vacuum Pump

Classification of dry vacuum pumps

In the past, oil vacuum pumps were widely used in various semiconductor processes and vacuum pumps and piston vacuum pumps are important representatives. And they don't make people proud of their applications. Therefore, the dry vacuum pump came into being. Over the past year, there have been several different examples of dry vacuum pump planning and production, and they have significant differences in machine layout planning. Because of this difference, we can classify the dry vacuum pump into the following types: round blade type, claw type, combined type (root claw), screw type.

Today, these examples are widely used by different manufacturers. Round, claw and combination (root claw) are called multistage pumps. Because of their similar methods, vacuum is repeatedly compressed by multi-stage vacuum chamber to produce vacuum. In the process of repeated compression, the temperature and pressure of gas will also change greatly, so it is easier to change the physical properties of gas. Screw pump is called single-stage pump because it can only produce vacuum by vacuum cavity. According to the different gas compression method, it can be divided into internal pressure screw pump and external pressure screw pump. Here are some physical examples of these differential pumps that are expected to be funded.
The two peak scheme is that roots pump is the most popular and widely used very similar. In fact, the first dry pump plan was to pump roots together. This multi-stage scheme makes the gas path very large, and each stage needs a large nitrogen flow to dilute and cut off. At the same time, in order to get a good vacuum, all levels of customs clearance requirements are very strict. Of course, this program makes the power consumption relatively low due to the increase of internal compression ratio.

The principle of one three leaf circular scheme is exactly the same, two leaf segmentation scheme. It divides the gas into three parts, not a circular disc. It's two copies. There are similar advantages and disadvantages between three lobed ring programming and bicircle splitting scheme. In order to further reduce the power consumption, some manufacturers choose two DC motors in the transmission department, but this will also lead to the reduction of torque and the ability to restart. In the same way, the scheme of every three lobes needs a large flow of nitrogen dilution effect.

The progress of the combined (root and claw) program is that the claws with lower pressure are subject to pumping under the leadership of rocalay and the progress of pumps under higher pressure. The basic principle of the front gas path of the same type of program blade. Some manufacturers have changed their final phase to a star like program, such as allowing gas to be divided into five parts in a spinning cycle, such as the three-wheel program, which can be divided into three parts. Similarly, in many processes, each phase of a joint program requires a large flow of nitrogen to dilute and shut off.
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