Corrosion protection system for nuclear power plant

Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Corrosion or damage prevention

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204147, 204149, G21C 1932

Patent

active

043767532

ABSTRACT:
A cathodic corrosion protection system for a nuclear power plant which employs an ion tank adjacent the main fresh water feed pipe leading to the steam generator to treat water from the main feed pipe and then return the treated water to the main feed pipe to form a corrosion protecting alkaline layer on surfaces of the main feed pipe and the secondary side of the steam generator. The ion tank receives measured amounts of hydrazine to render the water therein substantially conductive and contains ionizable metal anodes which release free metal ions as electric current flows between the anodes and a cathode connection on an ion tank outlet pipe near the main feed water pipe.

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P. E. H. Heathfield, An Electrolytic System for Controlling Corrosion and Marine Growth, Sep. 1970, Underwater Science and Technology Journal vol. 2, No. 3.

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