Title:
METHOD OF REMOVING HYDROGEN FROM FAST BREEDER SECONDARY SYSTEM
Document Type and Number:
Japanese Patent JPS5845600
Kind Code:
A
Abstract:
Removal of hydrogen impurities from a secondary cooling system of a liquid sodium cooled, fast breeder reactor is accomplished by providing a hydrogen-removing container, which may be a tank, in the secondary cooling system. The container has a sodium coolant inlet and outlet means, a gas phase zone statically containing a cover gas therein, and a cover gas inlet and outlet means. Sodium mist is deposited on the inner surface of the gas phase zone which faces the cover gas and functions as a hydrogen-getter means. Thus, the sodium mist deposit captures and accumulates hydrogen previously accumulated in the cover gas. By intermittently heating the inner surface of the container, the hydrogen captured by the sodium mist deposit is released into the cover gas. The hydrogen-containing cover gas is then discharged from the system and fresh cover gas is contemporaneously introduced and may be obtained by refining the hydrogen-containing cover gas to render it fresh and reusable. Conventional components constituting the secondary cooling system, such as, an intermediate heat exchanger, a steam generator, a secondary cold trap, or a sodium pump, may include a hydrogen-removing container integral thereto if a gas phase zone is provided in at least one of these components.
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Inventors:
HIMENO YOSHIAKI
Application Number:
JP14354181A
Publication Date:
March 16, 1983
Filing Date:
September 11, 1981
Export Citation:
Assignee:
DORYOKURO KAKUNENRYO
International Classes:
G21C19/31; G21C19/313; G21D1/02; G21D1/00; (IPC1-7): G21C19/30; G21D1/00; G21D5/08
Attorney, Agent or Firm:
Yukio Ogata