介绍空分设备低温泵冷箱出口加温解冻管道结冰现象,分析认为管道布置离冷箱面板距离太远和“热管”效应是造成结冰的主要原因,并据此给出了低温液体泵冷箱出口管道的最佳排布建议。 Introduced air separation plant cryogenic pump cold box outlet thawing thawing pipe icing phenomenon, the analysis that the pipe layout is too far from the cold box panel and “heat pipe ” effect is the main cause of icing, and accordingly gives the low temperature Liquid pump cold box outlet pipe arrangement of the best advice.