January 11, 2010, China's third-generation nuclear power AP1000 self-reliance project localization pipeline procurement contract signed in Beijing. State Nuclear Engineering Corporation, a subsidiary of State Nuclear Power Technology Corporation, and China Second Heavy Machinery Corporation (Deyang) Heavy Equipment Co., Ltd. signed the procurement contract for the main pipeline of the No. 1 unit of Sanmen Nuclear Power Station and the No. 1 unit of the Haiyang Nuclear Power Station. This is yet another major breakthrough in accelerating the development of the third generation of nuclear power in our country and has a profound impact on promoting the localization of China's third generation nuclear power AP1000 equipment and upgrading the core competence of China's equipment manufacturing industry. National Energy Board Energy Conservation and Technology Equipments, deputy director of Orioles, National Nuclear Technology Company Secretary of the party, Wang Binghua, chairman of China Erzhong Group Shi Ke, Sanmen Nuclear Power Co., Ltd. General Manager, party secretary Gu Jun, Shandong Nuclear Co., Ltd. Deputy General Manager Guan Xianlin, Duel Group (Deyang) Heavy Equipment Co., Ltd. General Manager Sun Derun and other leaders attended the signing ceremony. Gu Jun, Guan Xianlin, Shi Ke, Oriole and other leaders have made speeches at the signing ceremony. The signing ceremony was presided over by Qu Dazhuang, a member of the National Nuclear Power Party Group and Vice General Manager. Oriole said in his speech that the success of domestication and manufacture of the AP1000 main pipeline is a very important key node goal achieved by China's equipment manufacturing enterprises in the localization of the key equipment of the third generation of nuclear power. The successful production of the AP1000 main pipeline in our country is of great significance to the autonomous development of the third generation of nuclear power and is gratifying. She expressed the hope that National Nuclear Power Technology Co., Ltd., Sanmen Nuclear Power Co., Ltd., Shandong Nuclear Power Co., Ltd., China Second Heavy Industries Group Corporation and other related equipment manufacturing enterprises will make concerted efforts to turn their respective strengths into a single line and domestically produce AP1000 nuclear power generation equipment Work to create conditions for the batch and large-scale development of the 3G nuclear power generation AP1000 so that the AP1000 will become the mainstream technology for the development of nuclear power in our country and become the inevitable choice for the development of nuclear power in our country. The third generation nuclear power AP1000 main pipeline is the only nuclear island key equipment that has not imported foreign technology in China's third generation nuclear power AP1000 self-reliance project. China Erqi Corporation and many other domestic enterprises dared to tackle tough problems, uphold their own research and development, glory for the country's strong conviction, through the last two years of scientific research, independent breakthrough in the third generation nuclear power AP1000 main pipeline manufacturing technology difficulties, substantial Enhance the core competence, technical level and management ability of equipment manufacturing enterprises in our country, laying a solid foundation for the independent and batch construction of China's third generation nuclear power AP1000. Sun Changji, vice minister of the former Ministry of Machinery Industry and deputy director of the State Nuclear Power Technology Corporation Expert Committee, introduced that the main power plant of the nuclear power station is a large thick-walled pressure-bearing pipe connecting the reactor pressure vessel and the steam generator and is a large artery "Is one of the key equipment at the nuclear level of PWR nuclear power plants. China has built 11 nuclear power generation units are using second-generation nuclear power technology, the main pipeline uses stainless steel castings, the vast majority are purchased from abroad. Xu Liangyi, an expert on nuclear power equipment manufacturing, said that as the design life of the third generation nuclear power AP1000 unit was raised to 60 years (the design life of the second generation nuclear power generation is 40 years), the safety performance indicators of nuclear power plants have also been greatly improved. Therefore, On behalf of the nuclear ultra-low carbon nitrogen-free stainless steel overall forging technology, high material requirements, manufacturing difficult, å ªç§° the world's most difficult nuclear power plant manufacturing the most. At present, the comprehensive technical indicator of the 1: 1 simulation part independently produced by China Erqu Corporation has fully complied with the design technical standards of Westinghouse Company and has reached the first-class level in the world, which indicates that China's equipment manufacturing industry has successfully mastered the third generation nuclear power AP1000 master Pipe manufacturing key technologies. At the same time, due to the localization of the main pipe manufacturing, the third generation of China's nuclear power self-reliance on the main pipeline of 4 units of the project to achieve domestic procurement, significantly reducing the procurement costs of the main channel, compared with imports from abroad can save the country More than 800 million yuan. It is understood that the advanced technology of the third generation nuclear power AP1000 imported from a high starting point in our country has effectively supported the project construction of the third generation nuclear power self-reliance project and the standard design of the subsequent AP1000 project and the localization of key equipment. Large-scale forging research, main pipeline development and steel containment (CV) manufacturing of major equipment such as AP1000 nuclear reactor pressure vessel and steam generator launched in China have made major breakthroughs one after another, localization of key equipment such as main pumps and explosion valves, etc. It is also steadily progressing.
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