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What influence the efficiency of the vacuum pump _

by:J&T     2020-07-11

vacuum pump has the characteristics of reduce the vacuum system of oil vapor pollution, compact structure is relatively simple. And has been widely used in metallurgy, food, chemical industry, etc. In such a broad range of applications, how we should find out the reason of low pump efficiency?

1。 Using vacuum environment

environmental impact is mainly refers to pumping gas pollution to the system. In the process of liquid steel processing, steel will release a large amount of gas, at the same time, a few small oxide powder and other small particles will be drawn into a vacuum pump. These tiny particles will accumulate and adhesion on the pump body, the reduced emissions of suction pipe and extended the pumping time, reducing the pump pumping function.

2。 Vacuum pump steam pressure

low steam pressure and pressure fluctuations relatively large impact on the capacity of the vacuum pump. Steam pressure, therefore, should not be less than the required working pressure, but the structure design of the vacuum water pump used has been forming, high steam pressure does not increase. And vacuum pumping capacity. In addition, in order to ensure that the pressure of steam in the boiler to provide stable, it is best to use the boiler for steam injection pump to provide work, make the steam pressure fluctuation not easily, to ensure the stability of the vacuum pump performance.

which is the best vacuum pump?

3。 Vacuum pump nozzle

nozzle is one of the important components affect the vacuum pump performance. The question is: error nozzle assembly, installation, jams, damage, corrosion and leakage. No matter what kind of preventive measures, nozzle clogging problems are inevitable. On the one hand, when installing a steam pipe, stayed behind in the pipe scrap iron and slag can clog the nozzle. On the other hand, when the vacuum pump system stops, steam pipe is easy to rust, and when to use rusty spot is likely to fall and block the nozzle.

4。 Vacuum pump cooling water

vacuum pump cooling water is in short supply, the condenser will generate heat, air flow noise get bigger, vacuum degree will decrease rapidly. Steam may return to the exhaust pipe. Condensed water vacuum pump plays an important role in multistage entry. Can fully condensing steam condensed water. Entrance to the vacuum pump discharge pressure of water vapor partial pressure must be higher than the corresponding full steam pressure, thus condensed water temperature also need to reduce the pressure of the saturated temperature, to ensure the pump body to function properly.


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