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Core part of China's nuclear reactor powered by Hualong One will finish up installation

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2018-01-29 09:47CGTN Editor: Gu Liping ECNS App Download
Photo taken on Jan. 28, 2018 shows the installation site of reactor pressure vessel (RPV) of the No.5 unit of China National Nuclear Corporation's Fuqing nuclear power plant in southeast China's Fujian Province. (Xinhua/Lin Shanchuan)

Photo taken on Jan. 28, 2018 shows the installation site of reactor pressure vessel (RPV) of the No.5 unit of China National Nuclear Corporation's Fuqing nuclear power plant in southeast China's Fujian Province. (Xinhua/Lin Shanchuan)

A pressure vessel powered by China's self-developed Hualong One technology is expected to finish its installation on the No. 5 unit reactor by 6:00 p.m. BJT on Sunday.

The reactor pressure vessel (RPV), a core part of a nuclear power unit, weighs over 300 tons and endures high levels of radiation and pressure, and soaring temperatures for the next 60 years. It will serve as a safety barrier for the nuclear reactor.

The installation on Sunday showcases China's highest level of research and development in nuclear technology. The project is being conducted at Fuqing Nuclear Power Plant based in Fujian Province.

The No. 5 unit arrived at the site the day before and was transferred to the 16.5-meter platform of the reactor plant for the follow-up installation.

The Hualong One technology is a pressurized water reactor design that is used in homegrown third-generation reactors. It is China's only domestically-developed third-generation nuclear technology that has so far gone international.

The technology increases the reactor's safety performance and "can even withstand a tsunami of the strength that triggered Japan's Fukushima disaster," said Xue Junfeng, vice chief engineer of the Hualong One reactors in an interview in 2016.

There are now six units with Hualong One technology under construction: the No. 5 and 6 units of China National Nuclear Corporation, the No. 3 and 4 units of China General Nuclear Power Group (CGNP), and the K2 and K3 units in Pakistan – the first overseas project that Hualong One has been part of.

Development of Hualong One technology

The joint development of Hualong One technology was started in April 2013 by CGNP and China National Nuclear Corporation.

An expert panel from the National Energy Administration and Nuclear Safety Administration approved the technical design on August 22, saying the technology's maturity, security and economical efficiency met the third-generation nuclear technology requirements and suggesting the launch of the pilot project.

  

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