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Characteristics of cryogenic liquid pumps

Characteristics of cryogenic liquid pumps
The cryogenic pump is different from general pump in that it keeps low temperature during the liquid transfer process and minimizes cold loss, otherwise the cryogenic pump will not work due to the vaporization of liquid.Due to working at low temperature, the material, structure, operation and installation of the pump are different from those of common pumps.
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In the air separation unit, low-temperature liquid is transported by centrifugal cryogenic pump. In order to ensure the reliable operation of the equipment, two sets of low-temperature pumps are generally equipped, one for use and one for standby. During normal operation, the main pump runs at full load, and the standby pump is in standby state under low load operation. Since the working medium temperature of cryogenic liquid pump is about -180°C, the working pressure is very high, and the pump body is installed in the cold box. When the pump fails, it is extremely difficult to maintain. Therefore, how to maintain the stable and reliable operation of cryogenic liquid pump is of great significance.
Sep 03, 2025
With the increasingly wide application of cryogenic liquid, in order to reduce material cost, improve storage efficiency, reduce equipment floor area, reduce energy consumption in the process of manufacturing, transportation and installation, and realize the green manufacturing concept of simultaneous development of safety production and energy saving, large-scale design has become the leading development direction of atmospheric pressure storage tank.   At present, the com...
Jul 19, 2023
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