发明授权
US3988972A Gas shielding method for a fuel exchange pool and an apparatus therefor
失效
一种用于燃料交换池的气体屏蔽方法及其装置
- 专利标题： Gas shielding method for a fuel exchange pool and an apparatus therefor
- 专利标题（中）： 一种用于燃料交换池的气体屏蔽方法及其装置
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申请号： US541116申请日： 1975-01-15
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公开(公告)号： US3988972A公开(公告)日： 1976-11-02
- 发明人: Hiroshi Goto , Toshiharu Arai , Tadao Sekiguchi , Hideo Hara
- 申请人： Hiroshi Goto , Toshiharu Arai , Tadao Sekiguchi , Hideo Hara
- 申请人地址： JA
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JA
- 主分类号： F24F9/00
- IPC分类号： F24F9/00 ; G21C13/02
摘要：
A gas shielding method for a fuel exchange pool in which, in order to shield radioactive gas generated in said fuel exchange pool by forming a gas curtain flowing in one direction above the fuel pool, both a ratio between a blown-out quantity and a sucked quantity of the gas flow and a temperature difference between the gas and the water in the fuel pool are suitably selected.
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