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How can nuclear power help our country's energy structure green and low carbon transformation?

来源: | 作者:佚名 | 发布时间 :2024-01-03 | 282 次浏览: | Share:

As a recognized "stable power supply", the advantage of nuclear power is that power generation is stable and reliable, while nuclear power has obvious advantages of clean and low-carbon, and carbon emissions are lower than photovoltaic power generation and comparable to wind power. It is estimated that nuclear power has saved more than 85 billion tons of carbon dioxide emissions globally. In the first half of this year, China's accumulated commercial nuclear power generation reached 100.827 billion KWH, up 5.83% year-on-year.

Since the world's first unit landed in Fujian Fuqing in May 2015, the construction of China's independent three-generation nuclear power "Hualong One" unit has been "blooming everywhere", while the construction of the world's first onshore commercial modular small reactor "Linglong One" is also in full gear, and its reactor pressure vessel and steam generator combined equipment module will be shipped from Dalian, Liaoning Province. And recently completed the lifting. Active safe and orderly development of nuclear power, how to help our energy structure to achieve green and low-carbon transformation?

"Linglong 1" the world's first reactor will welcome new progress

In recent days, at the site of CNNC's Hainan Changjiang Nuclear Power Plant, under the high temperature of more than 30 degrees Celsius, personnel and vehicles of all parties are busy in a tense and orderly manner. Tang Chuanbao, vice president of China Nuclear Power Research and Design Institute, introduced that as another major achievement of independent innovation of China National Nuclear Group after "Hualong One", the lifting operation of the pressure vessel and steam generator module of "Linglong One" will be carried out this month. This step is equivalent to installing the "heart of the dragon" on the world's first land-based commercial modular small reactor.

Tang Chuanbao said that the reactor pressure vessel and steam generator are the core equipment of the nuclear power plant, known as the "heart" and "lung" of the pressurized water reactor nuclear power plant, and play a vital role in the safe and stable operation of the nuclear power plant. As an integrated reactor of modular construction, the "Ling Long 1" reactor pressure vessel and steam generator is the first "heart + lung" integrated equipment module, and for the first time the on-site welding work has been transferred to the factory, and they are now preparing for the on-site lifting work later this month.

If a million-kilowatt nuclear power plant such as "Hualong One" is a "home desktop computer", including a display, host, keyboard and other components, then a small pile such as "Linglong one" can be regarded as a "laptop computer", its display, host, keyboard and so on are concentrated together, and it is widely used. It can be used in nuclear power generation, industrial process steam, district heating, seawater desalination and other fields.

Tang Chuanbao said that "Linglong 1" after the completion of the annual electricity generation can reach 1 billion KWH, can meet the needs of 526,000 households. Its popularization and application can greatly reduce the consumption of fossil energy in our country and promote energy conservation and emission reduction. "Each 'Linglong 1' unit is equivalent to reducing carbon dioxide emissions by 880,000 tons per year, which is equivalent to planting 7.5 million trees." Facing China's goal of '2030 carbon peak, 2060 carbon neutral' and the requirements of active, safe and orderly development of nuclear power, this modular multi-purpose small reactor will realize multi-scenario applications, provide continuous and stable clean green energy, and help China's energy green low-carbon transformation and optimize energy structure adjustment."

Where does 50 billion KWH of clean, low-carbon electricity come from every year?

As the "big brother" of "Linglong No. 1", the "Hualong No. 1" demonstration project has been fully completed and put into operation for more than a year. In May this year, China's independent third-generation nuclear power technology "Hualong One" the world's first batch demonstration project - CNPC Fuqing Nuclear Power 5, 6 units through the completion of acceptance. Lin Weifeng, director of the Fuqing Nuclear Power Plant of CNNC, said that the two units have an annual power generation of 20 billion KWH, which is equivalent to reducing the consumption of standard coal by 6.24 million tons per year, reducing carbon dioxide emissions by 16.32 million tons, and planting 140 million trees, with significant economic, social and environmental effects.

Lin Weifeng said that the Fuqing nuclear power project plans to continuously build six million-kilowatt pressurized water reactor nuclear power units. At present, Unit 1-6 has been fully completed and put into operation, which can provide clean and low-carbon electricity up to 50 billion degrees per year, becoming a booster to promote the "double carbon" goal. At the same time, "Hualong One" has built a multi-level integrated green construction management system in the construction, and has achieved good construction results in the aspects of "material saving, water saving, land saving, energy saving and environmental protection", and has formed a set of replicable standardized project management system, providing the world with Chinese solutions and Chinese experience for the development of third-generation nuclear power.

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