US 12,020,827 B2
Lead-cooled fast reactor utilizing control drums
Linsen Li, Beijing (CN); Gang Zheng, Beijing (CN); Chunyuan Liu, Beijing (CN); Mian Xing, Beijing (CN); Peidong Sun, Beijing (CN); Yeoh Eing Yee, Beijing (CN); Zhaocan Meng, Beijing (CN); Xiaosong Chen, Beijing (CN); Zhen Luo, Beijing (CN); Yilin Zhang, Beijing (CN); Shuming Zhang, Beijing (CN); Xiaosheng Li, Beijing (CN); Zhihui Li, Beijing (CN); Xiaotao Liao, Beijing (CN); Canhui Sun, Beijing (CN); Yaodong Chen, Beijing (CN); and Yuquan Li, Beijing (CN)
Assigned to STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE, Beijing (CN)
Filed by STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE, Beijing (CN)
Filed on Dec. 31, 2021, as Appl. No. 17/567,013.
Prior Publication US 2022/0319723 A1, Oct. 6, 2022
Int. Cl. G21C 1/32 (2006.01); G21C 1/03 (2006.01); G21C 15/247 (2006.01)
CPC G21C 1/322 (2013.01) [G21C 1/03 (2013.01); G21C 15/247 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A nuclear reactor, comprising:
a reactor container comprising a barrel body and a cover body, wherein an opening is formed at a top of the barrel body, the cover body seals the opening of the barrel body, and the reactor container contains a coolant;
a reactor core arranged at a lower middle part inside the reactor container, the coolant being configured to cool the reactor core;
a control drum assembly surrounding the reactor core, wherein the control drum assembly comprises a plurality of control drums, each of the control drums is rotatable around its center, and the plurality of control drums are arranged at intervals around the reactor core;
a coolant channel arranged in the reactor container and entirely located above the reactor core, wherein the coolant channel has a bottom hermetically and directly connected to a top of the control drum assembly and a top hermetically connected to the cover body, the coolant channel has a first coolant passage for the coolant to pass through, wherein the cover body forms the inner top surface of the reactor container, and wherein the coolant flows from the reactor core, where it is heated, into the first coolant passage;
a heat exchanger arranged in the reactor container on an outer periphery of the coolant channel and entirely located above the reactor core, the heat exchanger surrounding the coolant channel, wherein an inlet of the heat exchanger is in communication with the first coolant passage, and a top of the heat exchanger is fixedly connected to the cover body;
a main pump fixed on the cover body wherein the main pump pumps the coolant in the first coolant passage into the heat exchanger, wherein the main pump includes a motor and an impeller, wherein the impeller is arranged on an output shaft of the motor and inside the first coolant passage of the coolant channel such that rotation of the impeller transfers coolant outward from the first coolant passage into the heat exchanger; and
a sealing sleeve arranged in the reactor container on the outer periphery of the coolant channel and located entirely above the reactor core.