Structure of the cryogenic pump features
2023-01-18 01:06:12
Cryogenic pump is a special pump used to transport liquefied gas, such as liquid oxygen, liquefied natural gas and freezing liquid, liquid nitrogen in petroleum and chemical plants, so it is also called cryogenic system. The overall structure of the cryogenic pump features: 1. Vertical structure suitable for buried in the ground, will not be affected by motor hot air, air temperature and sunshine, easy to keep cold; can reduce the pump suction height, increase the perfusion head and improve the effective steam Corrosion margin; vertical structure is also conducive to exhaust, the suspension shaft has enough height to facilitate the arrangement of shaft seal device, so the pump is also known as vertical cylinder pump. 2. Symmetrical structure The overall structure of the pump strives to be symmetrically arranged so that it can be uniformly deformed in cold conditions. 3. Double shell In order to facilitate the cold and conducive to the transport of dangerous media are usually made of double shells, the inner shell to withstand pumping pressure, the pressure between the inner shell is suction, which may be appropriate to reduce the strength requirements of the inner shell.
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