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Main steam moisture measuring device, main steam moisture measuring method and nuclear power plant
Main steam moisture measuring device, main steam moisture measuring method and nuclear power plant
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机译:主蒸汽水分测量装置,主蒸汽水分测量方法和核电站
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摘要
PROBLEM TO BE SOLVED: To provide a main steam moisture content measuring apparatus capable of accurately measuring a moisture content in main steam, a main steam moisture content measuring method and a nuclear power plant.SOLUTION: A main steam moisture content measuring apparatus comprises: a medicine injection unit which adds a tracer element to secondary cooling water in a water supply line; a first steam flow rate measuring unit which measures a flow rate of steam introduced into a device disposed between a steam generator and a moisture content separating heater; a second steam flow rate measuring unit which measures a flow rate of steam introduced into a drain of the device; a first measuring unit which measures a tracer element concentration contained in blowdown water of the steam generator; a second measuring unit which measures a tracer element concentration contained in drain water of the device; and a moisture content calculation unit which calculates a moisture content contained in main steam on the basis of the flow rates of steam acquired by the first and second steam flow rate measuring units and the tracer element concentrations acquired by the first and second measuring units.
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