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DECONTAMINATION DEVICE OF FACILITY IN NUCLEAR POWER PLANT
DECONTAMINATION DEVICE OF FACILITY IN NUCLEAR POWER PLANT
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机译:核电厂设施的去污装置
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摘要
PROBLEM TO BE SOLVED: To provide a decontamination device of facilities in a nuclear power plant, capable of effective decontamination in PLR piping such as horizontal assembled piping, without fluctuation of a water level of decontamination liquid.;SOLUTION: A decontamination device 1 of facilities in a nuclear power plant comprises: a PLR vertical pipe 22 for transferring upward coolant from a recirculation pump 29; a PLR horizontal pipe 23 installed around a nuclear reactor pressure vessel at above the PLR vertical pipe 22 substantially horizontally; a nuclear reactor recirculation system piping 21 having a PLR riser tube 24 installed above the PLR horizontal pipe 23; a decontamination piping 31 formed in a loop shape for the nuclear reactor recirculation system piping 21; and a heater 52 installed on at least one surface of the PLR horizontal pipe 23 and the PLR riser tube 24.;COPYRIGHT: (C)2014,JPO&INPIT
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