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公开(公告)号：US11081242B2
公开(公告)日：2021-08-03
申请号：US16338247
申请日：2017-09-28
发明人： Sang Gyu Lim , Dae Hun Kim , Hui Un Ha , Han Gon Kim , Sang Won Lee , Sun Heo , Jong Cheon
摘要： In order to provide a coolant tank for preventing a containment from being recompressed and reheated during the cooling of the containment upon occurrence of a design basis accident and a severe accident and a passive containment cooling system comprising the same, the present invention comprises: a storage tank for storing a coolant; a division part which is arranged within the storage tank and divides the inside of the storage tank into a first storage tank and a second storage tank to separate the coolant; a first heat exchanger which is extended from the storage tank to the containment and cools the containment on the basis of the coolant; and a unidirectional valve which is provided on the division part and allows the coolant of the second storage tank to be introduced into the first storage tank when the water level of the first storage tank is reduced.
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公开(公告)号：US11195632B2
公开(公告)日：2021-12-07
申请号：US16328968
申请日：2016-10-27
发明人： Hui Un Ha , Sang Won Lee , Han Gon Kim
摘要： A reservoir tank for use in a nuclear reactor building includes a reservoir tank in which cooling water is stored. A partition part is disposed in the reservoir tank and partitions the inside of the reservoir tank into a first storage tank and a second storage tank so as to separate the cooling water in the reservoir tank. An inflow part is disposed in the partition part and allows the cooling water of the second storage tank to naturally flow into the first storage tank by the difference between the water levels of the first and second storage tanks when the water level of the first storage tank is lowered. This configuration is advantageous in that a nuclear reactor does not need to be pressurized and reheated when the nuclear reactor building is cooled due to a severe accident.
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