Pressurized water nuclear reactor sleeve type standby shutdown system and method

• Main Authors: HUANG DAISHUN, ZHANG DAN, PENG CHUANXIN, YANG YUNJIA, XIA BANGYANG, LI FENG, LIN XINRU, YANG FAN, WEI ZONGLAN, YU NA, ZHOU KE, LU YAZHE, RAN XU, XIAN LIN, ZHANG YU, LI SONGWEI, ZHANG ZHUOHUA, QIU ZHIFANG, LU CHUAN, WU GUANGHAO
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2019
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention discloses a pressurized water nuclear reactor sleeve type standby shutdown system and method, the shutdown system comprises a sleeve type injection unit arranged in a pressure containerand a shutdown liquid circulation system arranged outside the pressure container, the sleeve type injection unit comprises an inner sleeve and an outer sleeve arranged on the outer side of the inner sleeve, the shutdown liquid circulation system comprises a soluble neutron poison box and a de-ionized water tank, the liquid discharging ends of the soluble neutron poison box and the de-ionized watertank are communicated with the outer sleeve through pipelines, circulating pumps are arranged on the pipelines, the liquid inlet end of the soluble neutron poison box and the liquid inlet end of thede-ionized water tank are communicated with the inner sleeve through pipelines, an outlet valve R1 and a return valve R 2 are respectively arranged on the pipelines of the liquid discharging end of the soluble neutron poison bo