专利名称：AUXILIARY REACTOR CORE COOLING DEVICE
发明人：NINOMIYA SUSUMU
reactor core介绍申请号：JP2970689
申请日：19890210
公开号：JPH02210295A
公开日：
19900821
专利内容由知识产权出版社提供
摘要：PURPOSE:To increase the flow rate of a heating medium and improve heat conduction performance, and to improve heat removal performance by providing a gas injection nozzle at a part of heating medium circulation piping connecting a heat exchanger and a cooler and also providing an exhaust tank which separates injected gas from the heating medium. CONSTITUTION:The gas inspection nozzle 14 is connected to the circulation piping 10A, the exhaust tank 17 is provided above the cooler 8, and a gas circulation pump 15 and a vapor trap 16 are connected between them by gas piping 18. Dumpers 12 provided in front of and behind the cooler 8 are opened first and while a cooling fan 11 is rotated, the pump 15 is driven. Then a valve 21 is opened to inject inert gas from an inert gas cylinder 22. The apparent density of the heating medium which flows in upper piping 10A at the part becomes small. The circulation quantity of the heating medium in the auxiliary core cooling device 7 which is obtained in proportion to the relative density ratio between heating media flowing through circulation pipes 10B and 10B becomes large and its cooling ability is improved greatly. The gas injected from the nozzle 14 is discharged from the tank 17 having a liquid level and circulated again.
申请人：TOSHIBA CORP
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