Measures to reduce the probability of blockage failure of refrigeration system

It is required that all the assembled and welded parts of the entire industrial chiller refrigeration system must be cleaned. When welding pipelines, it is required to be fast and accurate, because if there is no good contact during welding, the oxide layer on the inner wall of the pipeline will easily fall off. Cause a “dirty blockage” fault. Moreover, there must be water vapor in the air, and the solidification temperature of water vapor is at 0 degrees, and it will freeze at low temperatures below 0 degrees. Therefore, the system must be completely vacuumed before filling the system with refrigerant, and it is required Pump until the remaining pressure is below -0.1MPa to prevent the existence of water vapor. If it is not pumped to a vacuum below -0.1MPa, it is prone to ice blockage failure. In addition, after replacing the filter drier, do not forget that the original flat filter drier should be installed vertically, and it needs to be rotated 90 degrees upwards, with the outlet upwards. This operation is used to prevent the filter and capillary caused by large volume and mass impurities. The blockage.