摘要
介绍了干气密封的作用原理及其典型结构,研制出用于低温乙烯泵的干气密封,并成功应用于工业实践。
it introduces functional principle and typical structure of dry air seal utilized for low temperature ethylene pump which has been developed and applied successfully in industrial practice,and sealing problem of liquidated hydrocarbon was resolved.
出处
《黑龙江石油化工》
2001年第4期35-37,43,共4页
Heilongjiang Petrochemical Technology
