摘要
调节阀是大型合成氨厂不可缺少的控制元件，由于调节阀阀杆与阀芯联接处产生疲劳断裂及脱落事故，将会给生产带来不同程度的影响。为了避免这类事故的出现，介绍几种阀杆与阀芯的联接方法。
Pilot valve is an indispensable control element for large scale ammonia plant.Sometimes,fatigue fracture or exfoliation takes place at the connection between valve stem and wick.This will influence the production to a certain degree.To auoid such accidents,this article presents several methods for connecting valve stem and wick.
出处
《大氮肥》
CAS
1997年第5期339-340,342,共3页
Large Scale Nitrogenous Fertilizer Industry
关键词
断裂
联接
调节阀
阀杆
阀芯
合成氨设备
fracture,causes analysis for exfoliation,connection method
