Vacuum pump in the performance, structure and working principle of how to classify _

how vacuum pump in the performance, structure and working principle of the classification, the small plane will introduce you to the

1) According to the vacuum pump performance characteristics and USES classification

low vacuum pump:

the limit pressure of vacuum pump is higher than 1. 33 pa vacuum pump belongs to the low vacuum pump. Common reciprocating vacuum pump, rotary vane vacuum pumps, water ring vacuum pump, jet vacuum pump and adsorption type vacuum pump. Vacuum pump in

:

ultimate pressure in 10 - 2 to 1. 33 between pa vacuum pump in the vacuum pump belongs to. Common roots vacuum pump, multistage jet vacuum pump, etc.

high vacuum pump:

ultimate pressure in 10 - 6 ~ 10 - 2 pa vacuum pump belongs to a high vacuum pump. A variety of diffusion pump, molecular pump belongs to a high vacuum pump, etc.

ultra-high vacuum pump:

ultimate pressure is lower than 10 - 6 pa vacuum pump belongs to the ultra-high vacuum pump. Ultra-high vacuum pumps are mainly ion pump, cryogenic pump, etc.

( 2) Classified by vacuum pump structure characteristics of mechanical vacuum pump volume:

this is pump by mechanical action cycle pump cavity work volume change to realize the extraction effect. Such as reciprocating vacuum pump and rotary mechanical pump belongs to this kind of pump. Jetting vacuum pump

:

this pump no mechanical moving parts. Mainly by high speed jet nozzle vacuum. Belong to this type of pump is water vapor jet pump, air injection pump, water injection pump and diffusion pump, etc.

other type vacuum pump:

this kind of water pump belongs to obtain high vacuum, high vacuum, or high purity, vacuum pumps, such as adsorption pump, molecular pump, ion pumps, condensate pumps, etc.

( 3) Working principle of the vacuum pump according to the classification of

this is the basic classification of vacuum pump, according to the working principle of a variety of different can be divided into reciprocating and rotary vane, rotary piston vacuum pump, mechanical supercharged, jet pump, diffusion pump, molecular pump, ion pumps, condensate pumps, etc.

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