On September 12, the State Council announced the "Air Pollution Prevention Action Plan." According to the information disclosed by the “Ten States of the Atmosphereâ€, the national energy supply and demand pattern will undergo major changes, and the construction of nuclear power that has been suspended will accelerate substantially. Earlier, at the “China Nuclear Power Sustainable Development Summit Forumâ€, Academician Ye Qichen of the Chinese Academy of Engineering also stated that in the next stage, the development of nuclear power will also be accelerated significantly. It is expected that by 2020, China’s nuclear power plants will reach 60 million kW. It is currently four times the installed capacity. The industry expects that by 2020, China's new nuclear power equipment market will reach 270 billion yuan, and related nuclear power equipment manufacturers will benefit from it. Nuclear power construction speed “The Ten States of the Atmospheric State†clearly put forward; Actively and orderly development of hydropower, development and utilization of geothermal energy, wind energy, solar energy, biomass energy, and safe and efficient development of nuclear power. By 2017, the capacity of operating nuclear power assembly machines will reach 50 million kilowatts, and the proportion of non-fossil energy consumption will increase to 13%. Experts believe that in the current situation where wind power and photovoltaic are subject to equipment, energy storage, and grid “blockingâ€, to achieve the goal of increasing non-fossil energy in China to 13% in 2017, we must rely on the large-scale replacement of nuclear power with fossil fuels. Ye Qichen also stated that from the perspective of environment and resources, nuclear power has advantages in terms of energy saving and emission reduction compared with thermal power and hydropower. The greenhouse gas emissions from the nuclear power chain are only about one-half of that of coal and electricity chains of the same size. By 2020, according to the calculation of 60 million kilowatts of nuclear power instead of coal-fired power, it will be able to reduce carbon dioxide emissions by 574 million tons a year, accounting for 6.8% of the country's total emissions by 2020. "Compared to wind power, nuclear power is more effective alternative to fossil fuels than fossil fuels." Ye Qichen said that a million-kilowatt nuclear power unit is equivalent to 2,000 wind turbines compared to an average 2-megawatt wind power unit, and 2,000 wind turbines will occupy a large area. Land, if we all use wind power instead of energy, I am afraid there is not much land available. At present, China has 17 nuclear power generating units installed, with an installed capacity of 15 million kilowatts; and 24 units under construction, with an installed capacity of 26 million kilowatts. “The nuclear power unit under construction in China currently accounts for 40% to 50% of the world’s nuclear power, and it is the largest country in the world for the nuclear power unit under construction.†Ye Qichen pointed out that even so, China’s nuclear power accounted for only 1%~2% of the total power generation. Far below the world average. He said that the world’s average nuclear power generating capacity accounts for 14%~16% of the total power generation. If we want to reach the international average, China’s total installed nuclear power capacity in the future should be 150 to 200 million kilowatts, which means China’s space for nuclear power development. Still big. Zhang Kelin, executive vice president of China Federation of Machinery Industry, also stated that the development of nuclear power has become China's strategy for energy development, adjustment and optimization of energy structure, transformation of economic development methods, and energy saving and emission reduction strategies. The future of nuclear power will usher in better development. The opportunity. According to Ye Qichen, according to the requirements of the State Council, it plans to build 18 more units during the “Thirteenth Five-Year Plan†period, so as to achieve the long-term goal of total installed nuclear power of 60 million kilowatts by 2020. If the current total cost of domestic million kilowatt nuclear power plants is calculated to be 15 billion yuan, by 2020, 18 more units will be built, and the new nuclear power equipment market will reach 270 billion yuan. At the same time, part of the equipment under construction is still in tender, and market space is expected to be further released. Increase the localization rate of equipment It is understood that several nuclear power construction projects have entered the tender period this year. According to research, many projects such as Fuqing No.5 and No.6 units, Haiyang No.3 and No.4 units, No.3 and No.4 units, Xudaba No.1 and No.2 units, Lufeng No.1 and No.2 units all entered the tender period. It is expected that this year and the next year will begin. The corresponding reactor type will be mostly AP1000. “The recent breakthroughs in the bidding and tendering of several nuclear power construction projects and the localization of several key equipment for the third generation of nuclear power technology have contributed to the confidence of nuclear power equipment manufacturing companies.†Ye Qichen said that currently the world’s third-generation nuclear power plants under construction are mainly There are two kinds of AP1000 and ERP, among which AP1000 four nuclear power units are all built in China. At present, domestic manufacturing companies have gradually mastered the manufacturing technology of AP1000 key equipment, and have the ability to independently manufacture major and key equipment for follow-up units. According to Jing Jingwen, deputy director of the equipment department of the State Nuclear Power Technology Company, there are currently four AP1000 nuclear power units in China, which are located at Sanmen Nuclear Power Station and Haiyang Nuclear Power Station, and are scheduled to be connected to the grid at the end of 2014; Taishan Nuclear Power Station with EPR technology has entered full installation. At the stage, Unit 1 is expected to be put into operation in the first half of next year; Shidaowan Nuclear Power Station, a demonstration project of CAP1400 technology, has also commenced preliminary tendering work and is expected to be formally started in the near future. It is expected that grid-connected power generation will be realized in 2018. Jing Jingwen stated that the localization rate of the three generations of technical equipment has increased significantly. Currently, the localization rate of key equipment has reached about 55%, and the localization rate of units located in Haiyang has reached 70%. The state-owned nuclear power technology company has developed independent knowledge. The CAP1400 of property rights has carried out 12 major innovative designs for nuclear power plant main systems, auxiliary systems and key equipment in recent years, further enhancing the safety, reliability, and economy of nuclear power construction. It is understood that the current progress of the localization of CAP1400 equipment is also relatively smooth. Three forgings have been successfully produced, and the other five forgings are being researched and manufactured. China's nuclear grade zirconium production line has also been fully integrated, achieving localization. The goal. However, it is worth noting that the special consultant of China National Machinery Industry Association Yan Yongbin said that the domestic nuclear power equipment manufacturing industry has shown excess capacity. Taking a reactor pressure vessel as an example, at present, there are three companies in China, and the production capacity is only about 10 units a year. The national annual production capacity is about 20 units, while the domestic demand is only about 6 units; steam generators, pipelines There are also four companies doing the work, the production capacity of more than 10 sets, while the actual demand is only half; As for the valve, nuclear island main pump, because of the low technical content, more production companies. In view of this, relevant experts stated that domestic nuclear power equipment manufacturing enterprises must identify “entry points†for entering the nuclear power manufacturing field, that is, avoiding shortcomings to identify target products, preventing duplicated construction, and causing unnecessary vicious competition.
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