ONLINE TEST APPARATUS AND METHOD FOR OXYGEN SENSOR IN LEAD-BISMUTH REACTOR

WIPO Patent Application WO/2024/077532

A1

An online test apparatus and method for an oxygen sensor in a lead-bismuth reactor. The online test apparatus for an oxygen sensor in a lead-bismuth reactor comprises: a lead-bismuth container (10), which contains liquid lead and bismuth and is used for an oxygen sensor to be tested (40) to be inserted therein, and an electrochemical workstation (20) and a data processing system (30), wherein a reference electrode and a counter electrode of the electrochemical workstation (20) are both connected to a reference electrode of said oxygen sensor (40), and a sensing electrode and a working electrode of the electrochemical workstation (20) are connected to the liquid lead and bismuth via leads (23, 24), respectively. By means of the response of said oxygen sensor (40) to an alternating-current voltage applied within a specific frequency range, the online test apparatus for an oxygen sensor in a lead-bismuth reactor realizes online monitoring of the operation state of said oxygen sensor (40) by means of electrochemical impedance spectroscopy.

ZHANG XINTONG (CN)
ZENG XIAN (CN)
HU CHEN (CN)
ZOU QING (CN)
LUO YIWEI (CN)
YUAN JIAQI (CN)
ZHAO YUAN (CN)
GUO YONG (CN)
LIAO ZHONGHUI (CN)
DUAN CHENGJIE (CN)
CUI DAWEI (CN)
LIN JIMING (CN)

PCT/CN2022/124979

April 18, 2024

October 12, 2022

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CHINA NUCLEAR POWER TECH RESEARCH INSTITUTE CO LTD (CN)
CHINA GENERAL NUCLEAR POWER CORP (CN)
CGN POWER CO LTD (CN)

G01N27/411; G21C17/02; G21C19/07

SHENZHEN REFINED INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)

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