REACTOR WATER LEVEL CONTROLLER
申请(专利)号： JP19950258382
专利号： JPH09101394A 主分类号： G21D3/08
申请权利人： TOSHIBA CORP 公开国代码： JP 优先权国家： JP
摘 要：
PROBLEM TO BE SOLVED: To provide a reactor water level controller which controls recirculation pump or selective control rods to stabilize the reactor water level and avoids unnecessary reactor scram when a drain pump stops and partial loss of feed water flowrate and its temperature occurs. SOLUTION: In a boiling water reactor plant provided with selective control rods 11 in the core 9, a plurality of recirculation pumps 10 to circulate coolant in the core and a drain pump 19 recovering the drain of a feed water heater 14 put in a supplying and condensing system for supplying coolant to the reactor 8, a water level controller 20 which detects the operation state of the drain pump, reduces the revolution of the recirculation pump 10 in the case that the drain pump is stopped and an
auxiliary drain pump does not start up, and simultaneously suppresses the
fluctuation of the reactor by inserting the selective control rods 11 after a
申请日： 1995-10-05 公开公告日： 1997-04-15
分类号： G21D3/08;
G21C7/08; G21C17/035 发明设计人： KAWAMURA
SHINICHIRO 申请国代码： JP
优先权： 19951005 JP
25838295
摘 要 附 图：
predetermined time, is provided. 主权项：
【請求項1】 炉心内の選択制御棒と炉心内の冷却材を循環させる複数の再循環ポンプ及び原子炉に冷却材を供給する給復水系に介挿した給水加熱器のドレンを給復水系に回収するドレンポンプとを備えた沸騰水型原子力
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REACTOR WATER LEVEL CONTROLLER
