摘要
介绍美荷型合成氨装置第一废热高压锅炉上封头密封结构改造情况,由原设计焊唇式平面密封结构改为榫槽型+复合齿形垫结构,效果良好。
Presents the structure revamping of the upper head seal of the 1 st WHB in Kellogg ammonia plant. The seal structure was revamped from the originally-designed weld-lip plain seal structure into deformed surface plus composite profile plate structure, resulting in good effect.
出处
《大氮肥》
CAS
2008年第4期260-261,共2页
Large Scale Nitrogenous Fertilizer Industry
关键词
合成氨
高压锅炉
密封结构
改造
ammonia, HP boiler, seal structure, revamping
