[ China Instrument Network Instrument Development ] On February 10, 2019, China Guangdong Nuclear Power Testing Technology Co., Ltd. (hereinafter referred to as “China Guangdong Nuclear Power Testing”) and Fujian Ningde Nuclear Power Co., Ltd. (hereinafter referred to as “Ningde Nuclear Power”) realized in the conventional island of Ningde Nuclear Power Plant in Fujian. The first daytime flaw detection based on cold cathode X-ray digital imaging technology, this is the first and original application of cold cathode X-ray digital imaging technology daytime flaw detection in domestic nuclear power plants, marking that CGN digital cold cathode X-ray digital imaging technology has been used for daytime flaw detection. Mature conditions.

CGN's cold cathode X-ray digital imaging technology has been successfully developed in three years. The carbon nanomaterial is used to make the cathode. It is small in size, short in detection time and high in safety. It is a new technology that is different from traditional ray detection. It is from traditional nighttime ray detection. The feasibility of digital flaw detection during the day. Compared with traditional nighttime gamma ray detection, cold cathode X-ray digital imaging technology can reduce the number of workers, reduce the isolation boundary, reduce the radiation dose, and implement cross-operation, thus shortening the overhaul period, reducing the risk of control, and improving efficiency. Greatly reduce insecurity.
The daytime flaw detection window was completed from 12:30 to 13:45 in the afternoon, and a total of 7 welds were inspected. In order to ensure the smooth implementation of the daytime flaw detection work, China Guangdong Nuclear Power Inspection Company and Ningde Nuclear Power Technology Department passed the preliminary preparations. The inspectors conducted comprehensive and systematic training, organized several effective tests and formulated reasonable and feasible isolation and flaw detection programs, and at the same time obtained the full cooperation of relevant parties such as Ningde nuclear power radiation protection.
The successful implementation of cold cathode X-ray digital imaging technology for daytime flaw detection is another effective cooperation between China Guangdong Nuclear Power Inspection Corporation and Ningde Nuclear Power Station following digital radiography technology (DR). It is another step in promoting the digitalization, high efficiency and safety of radiation detection. The feat is the effective use and broadening of digital radiography technology in the field of nuclear power, which has promoted the further enhancement of China Guangdong Nuclear Power Group's competitiveness in the field of non-destructive testing.
(Original title: CGNPC for the first time to achieve cold cathode X-ray digital detection daytime flaw detection)

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