Cryogenic pump installation and use points

1. Not only the pump itself to be cold, pump suction pipe must also be cold measures to prevent in operation from the outside inhalation of heat, the liquid vaporization, affecting the performance of the pump; 2. Cryogenic pump assembly parts are not allowed to stained with water and grease , The parts must be washed with a solvent, dry and then assembled; 3. In the case of explosive gas, the motor should use vertical explosion-proof motor; 4. Pumps and pipelines, if not, moisture and air, when access to low temperature Liquid will freeze, so before the pump is put into operation to wash clean, and then with a dry nitrogen and other scavenging, the pump to get rid of the water and air, and pre-cooling; 5. Cryopump inhalation and inhalation Pipelines should have exhaust, so that the pump before operation or operation can be ruled out in a timely manner to accumulate the gas to ensure the reliable operation of the cryogenic pump; 6 cryogenic transport can also be used cryogenic shielding pump.

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