Impurities gathered in the duct wall affected the cooling effect of coal gas primarycooler.
我厂的煤气初冷器因管壁上结积杂质而影响其冷却作用。
2
The problems on the operation of the primarycooler with mixed oil are explicated, the method of improvement and practice effect are described.
文中阐述了初冷用混配油操作中存在的问题,介绍了改进方法及实践效果。
3
The paper addresses a chemical method, by which primarycooler is so washed that the temperature of washed gas meets the requirement of the process standard.