Advantages and disadvantages of dry screw vacuum pump -

dry screw vacuum pump is mainly using a pair of screw, its features are two screw via meticulous rotor dynamic balance effect is, by the rolling bearing, is installed in the water pump body, screw and screw often have a certain gap, so the work of dry screw vacuum pump, there is no friction between each other, stable running, low noise, working lumen without grease, dry tries screw pump pumping with a lot of water vapor and gas area of the small amount of smoke, and extreme high vacuum pump. But in China, application of screw pump key with the aid of imports, the price is very expensive.

dry screw vacuum pump, it USES a pair of screw, with a step in the pump body caused by high speed rotating in the opposite direction without suction and exhaust effect of vacuum equipment. Its advantages to fill the skeleton sealed mechanical pump is not enough, we called the new upgrade of skeleton sealed mechanical pump. But the dry screw vacuum pump project cost is also its existence insufficiency. The next key in detail its advantages and disadvantages:

the advantages of the dry screw vacuum pump

1, lumen and screw motor rotor surface anticorrosion coating, can be integrated into the extreme working conditions

2, gas inside the pump is narrow, suitable for extraction may non-condensable gas

3, no fuel consumption, no leakage

4, simple structure, convenient maintenance.

5, was immediately discharged smoke gas pump shell, no environmental pollution water, without the pressure of environmental protection work, gas is more convenient and quick.

the defects of dry screw vacuum pump

1, because of the screw pump production and processing difficulty coefficient is big, the screw pump is applied in our country key with the aid of imports, the price is very expensive.

2. Not suitable for pumping with a flammable gas.

3, not suitable for gas containing too much oxygen.

with the trend of the development of the industry in our country, in the semiconductor industry production, liquid crystal display, such as processing technology in the manufacturing, higher and higher to the provisions of the clean up into a vacuum, and traditional mechanical pump oil has not as prescribed. The screw type dry vacuum pump because of its wide category of pump efficiency, simple structure compact, the suction cavity components without friction, long life, low consumption, the advantages of the oil pollution, get more and more manufacturing and using the enterprise attaches great importance to, in the dry vacuum pump sales account for the influence of the key. In capitalist countries such as Europe and the United States and Japan, dry screw vacuum water pump in many industries have already more and more replaced the traditional gasoline pump.

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