Reformation of cooling water for waterring pump working fluid

Huadian Technology ›› 2009, Vol. 31 ›› Issue (12): 64-65.

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Reformation of cooling water for waterring pump working fluid

YUAN Ning, ZHANG Shiqiang

Huadian Zhangwu Power Generation Corporation Limited, Zhangwu 123200, China

Received:1900-01-01 Revised:1900-01-01 Published:2009-12-25

Abstract

Abstract: There are four 300MW condensing turbines installed in project phase I of a power generation corporation, and two 2BW4353-0 type waterring vacuum pumps were configured for each unit. The working fluid is cooled using open circulating cooling water which is introduced from condenser circulating water, and in summer its cooling effect was bad and this leads to the output of vacuum pump to be reduced and cavitation of pump wheel occurred; so that the safety and economical operation of unit had been influenced. The principle and operation characteristics of waterring vacuum pump were expounded in this paper, and the reformation scheme of vacuum pump working fluid cooling water system was put forward too.

Key words: water-ring vacuum pump, cooling water, condenser, cavitation of pump wheel

YUAN Ning;ZHANG Shiqiang. Reformation of cooling water for waterring pump working fluid[J]. Huadian Technology, 2009, 31(12): 64-65.

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Reformation of cooling water for waterring pump working fluid

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