Since the medium delivered by the cryogenic liquid pump is cryogenic liquid, it should be kept at a low temperature during the transportation of the medium. If the insulation fails or is damaged, the cryogenic liquid in the pump will vaporize in a large amount, causing cavitation damage, thereby affecting the operation of the pump. Therefore, the cryogenic pump has its special requirements in terms of structure, material, installation and operation to meet the requirements of cryogenic liquid transportation.
For the mechanical pumps in service in chemical plants, most of them adopt the form of "one open and one standby" to improve the production stability of the plant. However, because the cryopump itself needs to be kept cold, it is difficult to disassemble and install on site; It takes a long time, and the failure rate is very high when driving, so the reliability of the cryopump is very high.
