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Approval of Automatic Welding for AP1000 Steel Containment
time2015-08-30  fromHXCC  Viewed2599 times

    On 11th of August, the Research on Automatic Welding of AP1000 Steel Containment has been approved by a committee of experts who are from Harbin Institute of Technology, AMST, Nuclear and Radiation Safety Center of the Ministry of Environmental Protection and Shanghai Nuclear Engineering Research and Design Institute. The committee claimed the process and equipment of automatic welding of steel containment that developed by HXCC are advanced technology in world nuclear industry and it is applicable in AP1000, CAP1400 or other similar nuclear power projects.

    The committee reviewed HXCC’s research report and experimental documents, and watched wielding demo and automatic welding 1:1 simulation parts. The appraisal results were established after their internal discussion.

    Steel containment of AP1000 is an important element in passive containment cooling system. It provides a necessary barrier for the radioactive aerosols substances in the containment and radioactive grain in the water in case of accident. In our country, the welding of AP1000 steel containment adopts the shielded metal arc welding (SMAW) process, which brings about instability of welding quality , low construction efficiency and a great demand of highly skilled nuclear class welder. However, the research and development of automatic welding of AP1000 steel containment by HXCC can effectively solve these problems.

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