发明名称 |
PURIFIER FOR POOL WATER IN PRESSURE SUPPRESSION CHAMBER IN REACTOR CONTAINMENT VESSEL IN NUCLEAR PLANT OF BOILING WATER TYPE |
摘要 |
PROBLEM TO BE SOLVED: To provide a purifier for pool water in a pressure suppression room in a nuclear power plant which makes it possible to reduce the amount and time for the work required for the installation, operation and putting-back of devices and exposure doses during purification work. SOLUTION: The pool water sucked by a submersible pump 5 located temporarily in the pool water in a pool 2 included in the pressure suppression room 1 in a reactor pressure vessel of a nuclear power plant and the pool water containing a large quantity of insoluble suspended substances sucked from the bottom of the pool 2 of the pressure suppression room 1 through a sucker 9 by a pump 8 of a diaphragm type located temporarily in a cat wall 4 in the pressure suppression room 1 are merged by a three-way valve 14 and then are transported to a filter 7 located in the pool water in the pool 2 of the pressure suppression room 1, the insoluble suspended substances in the pool water are filtered off by the filter 7 and the pool water purified by the filter 7 is put back to the pool 2 in the pressure suppression room 1. COPYRIGHT: (C)2006,JPO&NCIPI
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申请公布号 |
JP2005283182(A) |
申请公布日期 |
2005.10.13 |
申请号 |
JP20040094008 |
申请日期 |
2004.03.29 |
申请人 |
HITACHI LTD |
发明人 |
SASAKI JUNICHIRO;KATAOKA MASAO;HIRABAYASHI KENTARO |
分类号 |
G21C9/004;G21C19/307;G21F9/06;(IPC1-7):G21C19/307 |
主分类号 |
G21C9/004 |
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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