Molecular sieve purification system air pressure fluctuations caused by water

Today, the largest of the ZSM-5 zeolite , Y zeolite base, to introduce a water purification system failure molecular sieve due to air pressure fluctuations caused by the following manufacturers to follow the molecular sieve with a look.
A company in ASU purging and testing process, there were two activated zeolite powders  ater purification system failure, molecular sieve purification system at the air inlet of the trap a lot of water spray. After analysis, found to be due to changes in air separation system operating pressure range is too big, one in the device during the cooling air distribution unreasonable blowing pipe valve operating too fast, too fast, the air pre-cooling system pressure fluctuations air flow entrainment lot of water purification systems to the molecular sieve. 2. Coupled with the purge job to constantly adjust the outlet valve opening sieve purification systems, air compressors and air lead after pre-cooling system pressure changed much, but not in time to monitor and control air pre-cooling system air pressure, so that the cooling water fleeing into the molecular sieve purification system.3. Meanwhile, the testing process air pre-cooling system is not put into operation interlock parking, ASU is not one of the reasons for the abnormal situation automatically interlock parking also in the event of failure.
In case of this fault, the electric heater can be improved by the outlet temperature setpoint 180 ℃ to 220 ℃, and the molecular sieve adsorber prolonged heating and blowing cold time. Adjusted ASU to resume normal operation.
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