State Nuclear Power Research Institute

Beijing, China

State Nuclear Power Research Institute

Beijing, China
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State Nuclear Power Research Institute and State Nuclear Power Technology Corporation Ltd. | Date: 2015-04-03

A passive containment heat removal system and a control method thereof are provided. The system includes an outer containment; an inner containment disposed in the outer containment, an air duct formed between the inner containment and the outer containment having an air inlet and an air outlet; a spraying assembly disposed outside the inner containment and configured to passively spray cooling water to an outer wall of the inner containment to cool the inner containment; a built-in heat exchanger disposed in the inner containment; an air cooling channel having an air inlet of the air cooling channel and an air outlet of the air cooling channel; an external air cooler disposed in the air cooling channel with an inlet connected with an outlet of the built-in heat exchanger via a first communicating pipe and an outlet connected with an inlet of the built-in heat exchanger via a second communicating pipe.

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