Patent Number: 056573600
Section: claims

1. A reactor container which includes a dry well and a wet well and which is provided with a dry well cooling system, said dry well cooling system comprising: an in-dry-well heat exchanger disposed in the dry well of the reactor container;  an in-dry-well blower connected to a primary side of the in-dry-well heat exchanger;  first and second circulation pipes connected to the in-dry-well heat exchanger;  a normal cooling system connected to the secondary side of the in-dry-well heat exchanger through the circulation pipes and including an equipment cooling pump, an equipment cooling heat exchanger and a seawater pump which are operatively connected to each other; and  a standby cooling system connected to said first and second circulation pipes at a position located in between said normal cooling system and said in-dry-well heat exchanger. 2. A reactor container according to claim 1, wherein said standby cooling system comprises a standby cooling pump, a standby cooling heat exchanger connected to said standby cooling pump and a standby seawater pump connected to the standby cooling heat exchanger. 3. A reactor container according to claim 2, wherein a normal power supply and an emergency power supply are connected to said in-dry-well blower, said seawater pump, said standby cooling pump and said standby seawater pump. 4. A reactor container according to claim 1, wherein said standby cooling system comprises a seawater circulation line for directly circulating a seawater therethrough and a seawater pump for pumping up the seawater. 5. A reactor container according to claim 1, wherein said standby cooling system comprises a standby cooling pump and an air cooler connected to each other.