气动控制阀自备储气罐容积计算方法  

Volume Calculation Method of Pneumatic Control Valve Self-equipped Air Storage Tank

作　　者：龚达乐 刘培琳 吴刚 陆地 Gong Dale;Liu Peilin;Wu Gang;Lu Di(China Petroleum Engineering and Construction Corporation,Beijing Design branch,Beijing,100085,China)

机构地区：[1]中国石油工程建设有限公司北京设计分公司,北京100085

出　　处：《石油化工自动化》2022年第6期31-33,39,共4页Automation in Petro-chemical Industry

摘　　要：气动控制阀自备储气罐主要用于保证控制阀在气源故障的情况下能返回安全位置,或者保证控制阀若干行程的备用动力源。介绍了气动控制阀自备储气罐的工作过程,对比分析了《石油化工自动控制设计手册》和SHELL DEP S36.701中提供的气动控制阀自备储气罐容积的计算方法,总结了气动控制阀储气罐容积计算中的注意事项和容易忽视的问题。Pneumatic valve self-equipped air tank is mainly used to ensure that the pneumatic valve can return to the safe position in case of air source failure or to maintain several strokes standby power source of control valve.The working process of pneumatic valve self-equipped air tank is introduced.The analysis and comparison of the volume calculation methods of pneumatic valve self-equipped air tank provided in Petrochemical automatic control design manual and SHELL DEP S36.701 is carried out.The matters needing attention and issues easily to be ignored in the volume calculation of pneumatic valve self-equipped air tank are summarized.

关 键 词：储气罐 气动控制阀 容积计算 执行器行程 

分 类 号：TH138[机械工程—机械制造及自动化]