vacuum equipment

In the process of using water ring vacuum pump, we may not pay attention to oil pollution, which is very bad for the equipment, but also the need for us to do the main points in the process of protection, the following is introduced. 1. When changing water ring vacuum pump oil, the old oil is unclean and the new water ring vacuum pump oil is added. The remaining old oil pollutes the new oil, and the oxidation products of the old oil weight accelerate the oxidation of the new oil. 2. Operational errors. When adding water-ring vacuum pump oil in the operation of water-ring vacuum pump, different brands and different kinds of residual water-ring vacuum pump oil are added. The different formulation additives of these lubricating oils may have adverse reactions with the original water-ring vacuum pump oil and easily degenerate. 3. After repairing the new water-ring vacuum pump or water-ring vacuum pump, water, fuel or detergent will be used to wash the inside of the pump. If

The process of gas compression in water ring vacuum pump is similar to that of isothermal. It can extract flammable and explosive gas and water ring vacuum pump. At the same time, it can extract dusty gas, condensable gas and gas-water mixture because there is no exhaust valve and friction surface. The process of gas compression in water ring vacuum pump is similar to that of isothermal process. So the compression of water ring vacuum pump is generally calculated according to the formula of isothermal compression. Power. The working liquid of the water ring vacuum pump is generally the temperature of water which has a significant impact on the power consumption of the pump. The limit vacuum of water ring vacuum pump depends on the compression capacity of the pump itself and the saturated vapor pressure corresponding to the working water. The higher the temperature of water, the greater the saturated vapor pressure and the lower the ultimate vacuum. Excessive water temper

The old vacuum pump obviously has obvious shortcomings in its use. For example, it can only carry out gas transportation and extraction in relatively clean air quality. For some air containing relatively high quality water vapor, or relatively condensed particles, or some poisonous, flammable and explosive gases, these make it difficult to realize the application of vacuum pump, then at this time. The emergence of water-ring vacuum pump accords with the market demand and caters to the market trend, and its main application advantages are quite affirmed by everyone. The structure is simple and easy to use. The newly emerged water-ring vacuum pump can satisfy the function of suction with water, and its structure is relatively simple. Everyone can assemble and use it by himself. Because of the integrated control, it is more convenient to use. Even inexperienced people do not have to worry about damaging the conveyor pump to realize the creation of vacuum containers in vacuu

Vacuum pump manufacturer tells you the errors that should be paid attention to when using vacuum pump 1. Roots vacuum pump must be equipped with the front pump, Roots pump can not be used alone. 2. Roots pump is mostly used in Roots vacuum unit. Its function is to improve the pumping speed and the vacuum degree of the front pump. Roots pump should be equipped with by-pass valve in connection with the front stage pump, so that Effective protection of Roots pump, if the preceding pump pumping instability or other factors lead to abnormal operation of the whole unit with bypass valve Roots pump will play a protective role at this time. It can prolong the life of the whole vacuum unit. Roots vacuum pumps manufactured by Shanghai Feilu are equipped with bypass valves, which can be used safely by users. 3. When choosing Roots pump, we should pay attention to which kind of sealing method is used for vulnerable parts of Roots pump. All Roots pumps manufactured by Shanghai Feilu

Water ring vacuum pump in the carbon - hydrogen cleaning machine in the field case The principle of vacuum cleaning: there are many residual gases in the detergent, containing 8-10 times more gas than water, and the high-frequency wave emitted by the ultrasonic vibrator will attenuate when it encounters gas (residual oxygen), so vacuum degassing is required. First wash basket into liquid trough, shut off the wash tank, vacuum degassing system startup, will exhaust the air groove, under vacuum condition can will need to wash the product of the gas inside the narrow gap and containing gas extraction in the detergent, ultrasonic launch, swing assembly starts, turns washing basket, make the liquid detergent can fully; After the set time, the vacuum is released, the cylinder head is opened, and the washing basket enters the next slot. Water ring roots combined vacuum pump, dedicated to hydrocarbon ultrasonic cleaning equipment. Imported water ring roots vacuum pump feature

The quality of vacuum pump depends on its mechanical structure and oil quality. It must be well protected when using vacuum pump. When distilling volatile organic solvents, the organic solvents will be absorbed by oil to increase vapor pressure, thus reducing the pumping efficiency. If it is acid gas, it will corrode the oil pump. If it is water vapor, it will make the oil into emulsion and destroy the vacuum pump. Therefore, the following points should be paid attention to when using vacuum pumps: Absorption devices must be installed between the distillation system and the vacuum pump. Before distillation, the vapor of organic solvents in the system must be thoroughly pumped out by water pump. If pumps can be used to pump air, then try to use water pumps, such as distilled substances containing volatile substances, you can first use water pumps to reduce pressure, and then use oil pumps. The decompression system must be airtight, all rubber plugs should be of appropriat

Below is a brief introduction of the water-ring vacuum pump compressed air matters needing attention, hoping to help users, but also let the friends who want water-ring vacuum pump get some common understanding, together with a simple understanding: When using vacuum pump as compressed air, water-ring vacuum pump can be selected. When choosing water-ring vacuum pump as compressed air, attention should be paid to the correct selection. If the selection is improper, the motor of the water ring pump will be overloaded and burned down. If the water ring pump is used as compressed air, because the external air is continuously sucked into the vacuum pump and can not be discharged in time after compression, the water ring pump will be blocked by discharging so that the internal pressure of the water ring pump will be too large, resulting in motor overload. In order to effectively prevent this kind of situation, it is necessary to select the corresponding standard electric motor

Water ring vacuum pump, as a kind of coarse vacuum pump, has disadvantages in environmental protection, but it is still widely used in many fields because of its easy processing, isothermal compression and extraction of flammable and explosive gases. In practical application, the water-ring vacuum pump can be divided into four types. 1. Single-stage single-acting water ring vacuum pump This water ring vacuum pump has only one impeller, the so-called single stage.A single motion means that each impeller rotates once, suction and exhaust once.It is the simplest water ring vacuum pump with low limit pressure, low pump speed and low efficiency. 2. Single-stage double-acting water ring vacuum pump On the basis of single-stage single-acting water ring vacuum pump, the suction and exhaust action of impeller will be carried out twice in each rotation cycle, which is the double action.At the same pumping speed, the volume and weight of the double-moving double-ring vacuum pump ar

The corrosion forms of water ring vacuum pumps can be divided into two categories: overall (uniform) corrosion and local corrosion. The former occurs more evenly on all surfaces of the equipment, while the latter occurs only locally. For example, pitting corrosion, crevice corrosion, intergranular corrosion, stress corrosion cracking, corrosion fatigue, hydrogen corrosion cracking, wear corrosion, delamination corrosion and so on. It is one of the effective anti-corrosion measures for water ring vacuum pump to use polymer composite repairing material to carry out surface organic coating anticorrosion. Surface adhesion protection can be widely used in the repair and pre-protection of abrasion, cavitation and corrosion parts. It has good chemical resistance, excellent mechanical properties and bonding properties. Compared with the traditional welding repair of pressure vessel, it has the characteristics of simple construction, low cost, safety performance and good repair

The working pressure of the selected vacuum pump shall meet the vacuum limit and working pressure requirements of the vacuum equipment; Each pump has a certain range of working pressure, should choose the pump working point in this range; Check and determine the type and volume of pumping required for the process. The characteristics of the gas, such as corrosion, cohesion, etc., should be analyzed. Because if the type of gas pumped reacts with the liquid in the pump, the pump system will be contaminated. At the same time, it must be considered to determine the appropriate exhaust time and exhaust process produced by the gas footprint. At its operating pressure, the vacuum pump shall be able to remove all gases generated in the process of vacuum equipment and determine the vacuum volume of the system. Check to determine the time required to reach the required vacuum, flow resistance, and leakage of the vacuum piping. The proper stage ratio between the main pump and the f

In the process of continuously accelerating the overall strength of vacuum pump products, the practical performance of vacuum pump products should be enhanced by accelerating the exertion of its practical application ability with reliable product performance and combining the performance advantages of its product value strength. Reliable product strength should be used to continuously promote the embodiment of its overall application advantage level. Through the promotion of product strength, the value strength of vacuum pump products should be continuously expanded. Play, with reliable product value to constantly accelerate the performance of its strength, thereby enhancing its quality application and overall performance advantage. Through embodying the value superiority ability of vacuum pump products, we should make use of the performance strength of various aspects to further promote the upgrading of its actual value level, effectively promote the overall development

There are two main types of liquid ring vacuum pumps. They include single and double stage vacuum pumps. Now its structure has been greatly improved, they developed a new hybrid vacuum pump. They also have a liquid ring vacuum pump called a solvent seal ring pump. Liquid ring systems may be single - stage or multi - stage. Typically, multistage pumps will have up to two compression stages on a common shaft. In vacuum service, the pressure reduction to be achieved is limited by the annulus vapor pressure. Single stage vacuum pump usually produce 35 Joe (mm Hg) or 0.047 the vacuum, the two stage pump can produce vacuum to 25, assuming that the air is pumped, liquid ring is 15 ° C (60 °) less water. Dry air and 15 ° C sealant - water temperature is the standard performance, most of the manufacturers to use its performance curve. Liquid ring vacuum pumps can use any liquid compatible with the process as long as it has appropriate vapor pressure characteristics as a sealant liquid.

Sealing surface smooth and bright, otherwise it will cause leakage after reassembly, so that the pump can not restore performance. Note 4.3 during disassembly and repair, all parts shall not be knocked with a heavy hammer, and the removed parts shall be prevented from bruising and rubbing. In particular, the bolt should be sealed when it is rescrewed. Note that the oil is not clean, should be changed in time, and the lack of lubricating oil, should be added in time. If discover After the pressure in the system reaches the allowable inlet pressure of roots vacuum unit (the allowable inlet pressure of roots vacuum unit varies from manufacturer to manufacturer), close the valve on the pre-pumping pipeline and restart roots vacuum unit. If there is no such pre-pumping pipeline, the roots vacuum unit can be started after the pre-pump is pumped to the allowable inlet pressure of roots vacuum unit. The agent has the cleaning effect on the conflicting surface and can also redu

If we want to use water ring vacuum pump skillfully, we need to have a detailed understanding of its model, use, performance and so on. Today I'm going to introduce you to the model. In order to meet different industrial needs, the equipment has a variety of models to choose from. The manufacturer of water ring vacuum pump has introduced its common models in detail for us. Type 1.2BA: This kind of water ring vacuum pump is mostly used to extract gas and water vapor. The suction pressure can reach 33 mbar absolute pressure. When the suction pressure of the vacuum pump is close to the limit vacuum for a long time, the cavitation protection pipe should be connected to protect the pump and eliminate the cavitation sound. Type 2.2BE: Usually used for suction of gases without solid particles, insoluble in water and non-corrosive, in order to form vacuum and pressure in sealed containers. SK type: This type of pump and compressor is used to suck or press air and other non-c

At present, China has many manufacturers, vacuum pump production. , of course, there are different types of vacuum pump losing, including rotary, also including vane, include anti-corrosion vacuum pump, the emergence of different types in order to meet the needs of different areas in more reasonable application of vacuum environment Settings, so for the vacuum pump manufacturers to provide product application fields, as well as the manufacturer to provide related services, small make up for the following summary. Leather printing and dyeing industry is widely used. Vacuum pump has now achieved leather, printing and dyeing, and other industries in the field of application, through to the industry in the field of time relative to the air pollution, realize the adjustment of the pressure, vacuum, high purity quality safeguard, can make printing &dyeing and leather products can obviously under the condition of high temperature aseptic disinfection, to produce the produc