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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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