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PRESSURIZER GAS PHASE DISAPPEARANCE AUTOMATIC JUDGMENT DEVICE OF PRESSURIZED WATER REACTOR PLANT
PRESSURIZER GAS PHASE DISAPPEARANCE AUTOMATIC JUDGMENT DEVICE OF PRESSURIZED WATER REACTOR PLANT
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机译:加压水反应器厂加压气相消失自动判断装置
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摘要
PROBLEM TO BE SOLVED: To make accurately graspable the gas phase disappearance time point in an operation of the gas phase disappear in the pressurizer of a pressurized water reactor. SOLUTION: The pressurizer gas phase disappearance automatic judgment device of a pressurized water reactor plant provided in a pressurizer 1, communicating with the primary coolant system 3 of a pressurized water reactor at the lower part, provided with a heater 9 in the lower part and a spray nozzle 11 on the ceiling, is provided with an acoustic detector 41 on a sampling line 25 connecting to the top of the pressurizer 1 and extending outward, and a frequency analyzer 43 receiving sound output of the acoustic detector 41 in the constitution.
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