liquid ring vacuum pump pumping requirements

What are the requirements of liquid ring vacuum pump?

Today here by small make up I will briefly introduce for you about the liquid ring vacuum pump extraction requirements what related information, I hope to help you in the future when the purchase can be used, please follow small make up together to understand the following content.

Properly assemble the liquid ring vacuum pump. As the vacuum pump has selective pumping, so, sometimes choose a pump can not meet the requirements of pumping, several pumps need to be combined, mutual supplement to meet the requirements of pumping.

If the pump has a high pumping rate for hydrogen but no helium, and the tripole sputtering ion pump (or the bipolar asymmetric cathode sputtering ion pump) has a certain pumping rate for argon, the combination of the two will make the vacuum device get a better vacuum.

In addition, some vacuum pumps can not work under atmospheric pressure, the need for pre-vacuum; Some vacuum pump outlet pressure is lower than atmospheric pressure, the need for a pump, so need to use the pump combination.

What gases can be extracted by the liquid ring vacuum pump

As is known to all, the working efficiency of liquid ring vacuum pump is higher, but a lot of gas can not be extracted, then introduce the lower liquid ring vacuum pump can extract what gas

1. Gas generated during the process of vacuum system of liquid ring vacuum pump

It includes the gases emitted by the materials during the process and those introduced as required by the process, as well as the evaporated gases of liquid or solid in the vacuum system

2. Atmospheric gas originally existed in the vacuum system of liquid ring vacuum pump

In the vacuum system of liquid ring vacuum pump, the vacuum container chamber and the vacuum pipeline originally contain a certain amount of atmospheric gas components. At the initial stage of pumping, they are the main gas load of the vacuum system and are also the first to be pumped away by the system

3. Leakage gas in the vacuum system of liquid ring vacuum pump

The leaking gas includes air leaking into the vacuum system through vacuum sealed joints and various leaky channels

4, liquid ring vacuum pump vacuum system material surface desorption released gas

Under normal pressure, the material surface in the vacuum system of liquid ring vacuum pump will absorb and dissolve part of the gas. At negative pressure, this gas will be released again. Its discharge rate is related to material properties, treatment technology and material surface state

5. The atmosphere penetrates into the gas in the liquid ring vacuum pump system through the material on the wall

Will happen dissolved in solid, gas seep through. So the atmosphere by liquid ring vacuum pump container wall structure material, to the penetration of the vacuum system through part of the gas

Liquid ring vacuum pump in the extraction of gas, in addition to the working process of the produce of various gases, also include the original atmosphere and air permeability in system into gas, the gas discharge are able to work through the liquid ring vacuum pump, so as to improve the work efficiency

liquid ring vacuum pump pumping requirements

liquid ring vacuum pump pumping requirements

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