止回阀在减小停泵水锤压力中的应用  

Check valve applied in descreasing water hammer pressure when the pump stops

作　　者：秦淑芳[1] 陶爱峰[1] 

机构地区：[1]河海大学,江苏南京210098

出　　处：《水利科技与经济》2004年第4期235-237,共3页Water Conservancy Science and Technology and Economy

摘　　要：　通过总结水锤的传统防护措施及其适用性,介绍了快闭止回阀、液控缓闭蝶阀及不完全关闭止回阀的结构和原理,并分析了后两者在高扬程泵站输水系统中的应用及效果,指出了在处理方法上的优、缺点,以及在使用时应注意的问题。This article generalizes conventional water hammer controlling method and its applicability. The structure and theory of quick-closure check valve, pilot slow-closure butterfly valve and imperfect-closure check valve are introduced. The application and effect of last two mentioned above in high delivery lift pumping station water-carriage system are analysed, moreover, merits and faults of processing method as well as the key aspects when applied are pointed out in this paper.

关 键 词：水锤 止回阀 液控缓闭蝶阀 泵站 输水系统 

分 类 号：TV675[水利工程—水利水电工程]