The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
Apr. 03, 2015
State Nuclear Power Research Institute, Beijing, CN;
State Nuclear Power Technology Corporation Ltd., Beijing, CN;
Chengge Lin, Beijing, CN;
Meng Wang, Beijing, CN;
Feng Shen, Beijing, CN;
Shengjun Zhang, Beijing, CN;
Zusheng Yu, Beijing, CN;
Yaodong Chen, Beijing, CN;
STATE NUCLEAR POWER RESEARCH INSTITUTE, Beijing, CN;
STATE NUCLEAR POWER TECHNOLOGY CORPORATION LTD., Beijing, CN;
Abstract
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.