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Forums Home > Pro Site Help > How to reduce the suction gas temperature of vacuum pump
How to reduce the suction gas temperature of vacuum pump
Author Message
yanyan123
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Joined: April 2018
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Location:
china,
Posted: February 27, 2020 3:09 AM

How to reduce the suction gas temperature of vacuum pump?

One of the important sources of heat of sealing water in vacuum pump is the air-water vapor mixture drawn from the condenser. Reducing the temperature of the mixture can not only reduce the heat entering the vacuum pump, but also with the decrease of the temperature, the water vapor will condense into water, the partial pressure of steam will decrease, and the partial pressure ratio of air will increase, so the air concentration entering the vacuum pump will increase The effective suction capacity of vacuum pump is improved.

At present, the widely used method is to introduce the desalted water or cooled condensate into the air extraction pipe cooler at the inlet of the vacuum pump. The steam condensate in the mixed gas is mixed with the injected desuperheating water and recycled. The non condensed air is extracted by the vacuum pump. This method has the characteristics of simple layout, less investment, no rotating equipment and maintenance free, so it is the most economical and reliable method.

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