State Nuclear Power Technology Corporation Ltd.

State Nuclear Power Research Institute

Chengge Lin

Meng Wang

Shengjun Zhang

Feng Shen

Yaodong Chen

Zusheng Yu

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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Beijing, China

Chengge Lin