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Nuclear power plant having a water chemistry control system for a primary cooling system thereof and an operation method thereof

  • US 5,398,268 A
  • Filed: 10/14/1992
  • Issued: 03/14/1995
  • Est. Priority Date: 10/14/1991
  • Status: Expired due to Fees
First Claim
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1. A primary cooling system of a boiling water nuclear reactor, characterized by a water chemistry control system comprising:

  • a plurality of water chemistry sensors provided in flow passages of water or steam of the primary cooling system at different portions, said primary cooling system including a main steam line, a feed water line and a condensate line;

    means for estimating a water chemistry at least one specific portion of said primary cooling system, using information from at least some of said plurality of water chemistry sensors, said means including an arithmetic unit and a memory device; and

    at least one injection device for injecting an agent for improvement of the water to mitigate corrosion damage of said primary cooling system.

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