干气密封在合成氨尿素装置中的应用及注意事项  

Application of Dry Gas Seal in Synthesized Ammonia and Uren Plant and Some Notes

作　　者：邢桂坤 邵晨[1] 范吉全[1] 

机构地区：[1]中国寰球工程公司,北京100029

出　　处：《化工设备与管道》2010年第6期41-45,共5页Process Equipment & Piping

摘　　要：介绍了合成氨、尿素装置中各压缩机的结构及特点,论述了干气密封的几种基本形式和选型原则,分析了合成氨、尿素装置各压缩机轴端密封选型原则和干气密封选型时的注意事项,为干气密封的选用提供了理论依据。In this article, the structure and characteristics of the compressors used in synthetic ammonia and urea plant were introduced, and several fundamental types of dry gas seal and the principles of seal type selection were depicted. Then, the principles of seal type selection for the compressor used in synthetic ammonia and urea plant were analyzed, which provided some references in the selection of dry gas seal.

关 键 词：合成氨 尿素 压缩机 干气密封 动环 静环 螺旋槽 

分 类 号：TQ050.3[化学工程]