Patent ID: 6655144
Filing Date: 2003-12-02
Classification: F28B,F28F

Abstract:
A condenser condensing steam flowed therein from a turbine and supplying the condensed condensate into a feed water system leading to a steam generator,wherein said condenser comprises a steam condensing zone having a heat exchanger tube bundle and condensing steam, a hot well zone partitioned from said steam condensing zone, a condensate communicating portion introducing the condensate condensed in said steam condensing zone to said hot well zone and a condensate outlet portion leading the condensate stayed in said hot well zone from said condenser to said feed water system, a first detecting means for detecting the quality of condensate is provided in said condensate communicating portion introducing the condensed condensate from said steam condensing zone to said hot well zone or in the vicinity of said condensate communicating portion and a second detecting means for detecting the quality of condensate is provided at said condensate outlet portion leading the condensate stayed in said steam condensing zone from said condenser to said feed water system or in the vicinity of said condensate outlet portion, a control valve adjusting supply of the condensate to be supplied from said condenser to said feed water system on the basis of a difference between water quality detection values of the condensate detected by said first and second detecting means is provided on said feed water system, and a make-up water system supplying make-up water to said feed water system on the downstream side of said control valve is provided.