"Large high-valve" to resolve nuclear localization of a bottleneck equipment

"Whether nuclear power plants or nuclear vessels, nuclear-powered nuclear reactors, nuclear-level valves are an important guarantee for safe operation.But in the process of localization of nuclear power plant equipment in our country, pumps and valves have seriously dragged the hind legs, Become a bottleneck of the localization of nuclear equipment .2006 years ago, several major nuclear power plants in our country, the domestic valve accounts for only about 4% of the total valve, and all of the nuclear two or three, the nuclear level of 'zero' , 96% of the valves rely on imports.Good news is that, as a nuclear-level valve localization of a successful node to Dalian Dagao Valve Co., Ltd. (hereinafter referred to as the high valve) as the representative of the domestic production of nuclear island level valve In 2007, the localization of the first, second and third stage check valves of Qinshan Phase II nuclear power plant was suddenly increased to 50%. This year, the localization rate of No.3 unit of Hongyanhe Nuclear Power Station was suddenly increased to 60% And will make our country more large-scale pressurized water reactor nuclear power plant a rapid increase in the localization of the valve, this major contribution to the localization of China's nuclear power equipment is a great boost. "Recently by the China Machinery National Federation of Industry, Nuclear and Radiation Safety Center of the Ministry of Environmental Protection, China Nuclear Power Research and Design Institute, China Nuclear Power Engineering Co., Ltd., China Nuclear Power Technology Corporation, Tsinghua University, Dalian University of Technology and many other units of experts at the national joint identification Committee, the China National Machinery Industry Federation chief engineer Sui Yong Bin large high valves and Nuclear Qinshan Joint Co., Ltd. joint development of large pressurized water reactor nuclear power plant nuclear large-caliber full circulation high Cv value forged steel swing check valve prototype made So commented. With the worldwide shortage of energy shortage, nuclear energy has accounted for 30% -70% of the total energy use in the developed countries in Europe and the United States, while China is still less than 2% at present, and our country is still A big energy consumer. In recent years, the adjustment of the country's energy structure has continuously accelerated the pace of nuclear power industry's development. China's "Medium and Long-Term Nuclear Power Development Plan (2005-2020)" proposed that by 2020 nuclear power installed capacity will have to reach 40 million kilowatts. At this stage, the localization rate will reach 80%. In June this year, at the 2008 China Nuclear Industry Association Annual Meeting and China's Nuclear Sustainable Development Forum, Zhang Guobao, deputy director of the National Development and Reform Commission and director of the National Energy Administration, pointed out that if a big country like China does not form its own nuclear power equipment manufacturing capability , Always go unpleasant. However, after years of hard work, the localization rate of China's mainframes of nuclear power has reached the target of 80%. However, pumps and valves --- these key components have become a major obstacle to the localization of nuclear-grade equipment. Nuclear-grade valves are mainly used in the containment of nuclear reactor nuclear reactor pipes, by cutting or connecting the pipeline, responsible for the safety functions of the system plays a key role in the safety of nuclear reactors, but due to the current backward casting process in China, Prior to the domestic enterprises can only develop and produce nuclear safety two, three valves, nuclear safety valve has been a barrier, this huge market has been monopolized by the United States, France. The sudden emergence of a large high as the vanguard of China's valve industry enterprises, large high-valve is the first peer in the domestic enterprises. As early as the early 1980s, VELAN introduced advanced technology from Canada and sent many engineering technicians to Canada, Japan and the United States to learn and apply advanced international standards such as ASME, ANSL and RCC-M , Has won the American Petroleum Institute, Det Norske Veritas, the National Nuclear Security Administration and other international and domestic authorities issued a certificate of qualification, all of this for the company to enter the nuclear power market and laid a solid foundation. However, in the late 1990s, affected by the common problems of state-owned enterprises, the big high valve of state-owned enterprises also fell into an unsustainable dilemma. In 1999, the first major task of the current leadership, who was entrusted with the crisis, put the nuclear power project as a directional product to be renumbered.

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