发明名称 |
Radioactivity reduction method of a nuclear power plant and a nuclear power plant reduced in radioactivity |
摘要 |
The primary cooling water in a primary cooling water recirculation path of a nuclear power plant is heated and recirculated in the presence of beryllium, and a film of nickel ferrite and/or cobalt ferrite is formed on the surface of pipings and various apparatus and devices connecting with the primary cooling water. The beryllium is injected in the form of beryllium ion into the primary cooling water, or is disposed in the form of beryllium or beryllium-containing alloy in the piping and/or the various apparatus and devices.
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申请公布号 |
US4927598(A) |
申请公布日期 |
1990.05.22 |
申请号 |
US19880240602 |
申请日期 |
1988.09.06 |
申请人 |
HITACHI, LTD. |
发明人 |
NISHINO, YOSHITAKA;SAWA, TOSHIO;OHSUMI, KATSUMI;ITOW, HISAO |
分类号 |
G21D1/00;G21C17/022;G21C19/307;G21D3/08;(IPC1-7):G21D3/08 |
主分类号 |
G21D1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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