摘要
捷制500MW机组的循环水泵,采用了叶片可调整式斜流泵.本文介绍了该泵叶片调整装置和泵出口止回阀装置的工作原理。分析了泵的运行优点,同时也指出了泵在运行中出现的问题,可供设计或选用泵时参考.
A diagonal flow pump with adjustable blades is used as the circulating pump in a 500MW power unit. The adjusting device of the pump's blades and the working principle of its outlet non-return valves device are introduced, the operating advantages are analysed and some of the problems appeared during the operation of the pump are alsopointed out.
关键词
叶片可调式泵
运行
循环泵
adjustable blade
non-return valve
circulating pump