Analysis on reasons of jam fault of HP main steam valve and HP governing valve and preventive measures

Huadian Technology ›› 2011, Vol. 33 ›› Issue (7): 56-58.

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Analysis on reasons of jam fault of HP main steam valve and HP governing valve and preventive measures

LIU Ping, L Pengfei

Anhui Huadian Suzhou Power Generation Corporation Limited, Suzhou 234101, China

Received:1900-01-01 Revised:1900-01-01 Published:2011-07-25

Abstract

Abstract: The structure and the functions of HP main steam valve and HP governing valve of 600MW supercritical unit in a power plant were introduced. The reasons of jam fault of HP main steam valve and HP governing valve were analyzed; and concrete methods and measures to prevent the jam fault of HP main steam valve and HP governing valve were put forward.

Key words: high pressure (HP) main steam valve, backing-stop screw, high pressure(HP) governing valve, jam, high-temperature oxide skin, preventive measure

LIU Ping;L Pengfei. Analysis on reasons of jam fault of HP main steam valve and HP governing valve and preventive measures[J]. Huadian Technology, 2011, 33(7): 56-58.

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Analysis on reasons of jam fault of HP main steam valve and HP governing valve and preventive measures

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