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600 MW机组循环水泵液控蝶阀的使用及改进
引用本文:王静明. 600 MW机组循环水泵液控蝶阀的使用及改进[J]. 广东电力, 2005, 18(2): 66-69
作者姓名:王静明
作者单位:广东国华粤电台山发电有限公司,广东,台山,529228
摘    要:为避免循环水泵出口管道中可能产生的水锤现象,介绍了国产600MW亚临界燃煤发电机组配套循环水泵与出口蝶阀的配套选型构思,论述了防止产生水锤现象液压控制蝶阀的设备机理和时间设定,以及为保证循环水系统安全运行所采取的优化措施,这些措施为同类型机组循环水系统的改进提供了参考,同时提高了机组安全性。

关 键 词:循环水泵  水锤  出口液控蝶阀  使用  改进
文章编号:1007-290X(2005)02-0066-04
修稿时间:2004-06-30

Use and improvement of hydraulic-controlled butterfly valves for circulating-water pumps of 600 MW units
WANG Jing-ming. Use and improvement of hydraulic-controlled butterfly valves for circulating-water pumps of 600 MW units[J]. Guangdong Electric Power, 2005, 18(2): 66-69
Authors:WANG Jing-ming
Abstract:To avoid possible water hammer in outlet pipes of circulating-water pumps,this paper introduces the consideration on type selection of the circulating-water pumps and outlet butterfly valves for Chinese-made 600 MW subcritical-pressure coal-fired power generating units in Taishan Power Plant,Guangdong,describing the water-hammer-preventing mechanism and time setting of the hydraulic-controlled butterfly valves along with the optimizing measures taken to safeguard the circulating-water system,which enhance the safety of the units,and provide reference to improvement on circulating-water systems of similar units as well.
Keywords:circulating-water pump  water hammer  outlet hydraulic-controlled butterfly valve  use  improvement
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