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公开(公告)号：US20190237207A1
公开(公告)日：2019-08-01
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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2.发明申请公开(公告)号：US20190279779A1
公开(公告)日：2019-09-12
申请号：US16328968
申请日：2016-10-27
发明人： Hui Un HA , Sang Won LEE , Han Gon KIM
摘要： The purpose of the present invention is to prevent a nuclear reactor building from being pressurized and heated again when the nuclear reactor building is cooled in the event of a severe accident. The present invention comprises: a reservoir tank in which cooling water is stored; a partition part which 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; and an inflow part which 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.
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3.发明申请公开(公告)号：US20200043618A1
公开(公告)日：2020-02-06
申请号：US16337718
申请日：2017-09-28
发明人： Dae Hun KIM , Sang Won LEE , Sang Gyu LIM , Han Gon KIM , Hui Un HA , Sun HEO , Jong CHEON , Byoung Jo YOON
摘要： The present invention comprises: a storage tank in which cooling water is stored; a partition unit which is disposed inside the storage tank, which partitions the inside of the storage tank into a first storage tank and a second storage tank so that the cooling water can be separated and which has an inlet for causing the cooling water of the second storage tank to naturally introduce into the first storage tank according to the water level difference between the first and second storage tanks; a heat exchanger extending from the first storage tank to the inside of the reactor building to cool the reactor building based on the cooling water of the first storage tank; and a steam discharging unit connected to the heat exchanger and discharging the steam generated in the heat exchanger to the outside of the heat exchanger.
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公开(公告)号：US20190326026A1
公开(公告)日：2019-10-24
申请号：US16475034
申请日：2018-01-02
发明人： Han Gon KIM , Sang Won LEE , Sun HEO , Hui Un HA
IPC分类号： G21C15/18
摘要： The present invention relates to a nuclear power plant having improved cooling performance and a method for operating the same. The nuclear power plant having improved cooling performance according to the present invention comprises: a reactor vessel including a reactor core; a hot-leg and a cold-leg extending from the reactor vessel; a hybrid safety injection tank which contains coolant, is connected to the cold-leg and the reactor vessel, and is positioned higher than the reactor core; a coolant tank connected to the reactor vessel and positioned higher than the reactor core; and a pressure reducing valve connected to the hot-leg.
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