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                      【世界核新聞網WNN】中國致力于推進高溫氣冷堆的技術創新

                      日期:2017年9月28日 08:51

                      在國際原子能機構(IAEA)2017年9月19日召開的大會上,清華控股成員企業中核能源科技有限公司總經理吳郁龍表示,中國正在快速地采取行動,核能將會被用以作為重要的工業熱源和燃煤替代產品。

                      中國的高溫氣冷堆示范工程(HTR-PM)開工近五年來,絕大多數研發性設備和材料的試驗驗證工作均已完成,反應堆壓力容器、不含燃料的石墨球已在工程現場安裝完成。HTR-PM項目的設計方案是用兩座分別為熱功率250 MW、以氦氣作為冷卻劑的球床反應堆,推動一臺發電功率210MW的汽輪機發電。通過這一方案,它還可以靈活調整電和熱的比率。

                      高溫氣冷堆的用途廣泛,它可直接替代燃煤電廠用來發電,同時它產生的高溫熱能,可用于海水淡化、制氫或其他需要高溫工藝熱的工業領域。

                      吳郁龍說,在中國山東石島灣建設現場,反應堆壓力容器、蒸汽發生器等設備正在陸續進行安裝。目前還有待完成的工作包括蒸汽發生器最后階段的調試等,這一工作也將在明年4月份前后完成。蒸汽發生器用于將氦氣冷卻劑的熱量轉換成為高溫蒸汽。

                      國際原子能機構負責核能事務的副總干事Mikhail Chudakov在開幕會上說:“中國HTR-PM項目的成功,將會在核能行業樹立一個重要的里程碑,它將為其他國家發展和應用高溫堆技術鋪平道路。”

                      除了HTR-PM,中國已經提出了更大規模的60萬千瓦高溫氣冷堆(HTR-PM600)。HTR-PM600相當于是6臺HTR-PM的反應堆模塊推動一臺發電功率650MW的汽輪機。中國浙江三門、江西瑞金、福建霞浦和萬安、廣東百安等HTR-PM600項目的可行性研究工作已經在推進之中。

                      核能是中國和沙特雙邊合作的一個重點議題。沙特希望利用核能來發電和海水淡化。兩國今年3月簽訂了合作協議,根據協議,中國核工業建設集團和沙特核能及可再生能源城將共同開展高溫氣冷堆項目的投資和建設,雙方還將共同推動在知識產權和沙特產業鏈培育方面的合作。這一項目的可行性研究成果,對沙特政府決定建設其他潛在的高溫堆項目,也有著重要的參考價值。

                      中國核工業建設集團透露,自雙方簽訂合作備忘錄以來,中國、沙特雙方已經圍繞選擇項目廠址、建立監管制度、進行人員培訓等,開展了大量富有成效的工作。

                      以下為World Nuclear News(世界核新聞網) 英文報道原文:

                      China plans further high temperature reactor innovation

                      China is moving rapidly towards using nuclear power as an industrial heat source and as a direct replacement for coal, Yulong Wu, CEO of Chinergy, told a side event at the International Atomic Energy Agency's (IAEA's) General Conference today.

                      Five years into the HTR-PM program, technical tests of most innovative components and materials are complete, and on-site the reactor vessel and some non-fuel graphite spheres are loaded. The design sees two pebble-bed reactors cooled by helium produce 250 MWt MWt each and drive one steam turbine to produce 210 MWe net. It can be configured for varying ratios of electricity and heat.

                      Applications for HTR-PM include direct replacement of coal-fired power plants, while its heat could be used for desalination of seawater for human consumption, production of hydrogen, or a wide range of other high temperature heat applications in industry.

                      At the construction site in Shidaowan, in Shandong province, the steam generators and reactor vessel are in final installation, said Wu. Outstanding work includes final testing of the steam generator which transfers heat from helium coolant to a water/steam loop. Wu said these should be complete by next April. 

                      Opening the session, Mikhail Chudakov, IAEA deputy director general for nuclear energy, said: "The success of this project will establish a milestone for the nuclear industry. It will pave the way for others."

                      Beyond HTR-PM, China proposes a scaled-up version called HTR-PM600, which sees one large turbine rated at 650 MWe driven by some six HTR-PM reactor units.

                      Feasibility studies on HTR-PM600 deployment are underway for Sanmen, Zhejiang province, Ruijin, Jiangxi province, Xiapu and Wan'an, in Fujian province, and Bai'an, Guangdong province.

                      The reactor concept is a focus for cooperation between China and Saudi Arabia, which would like to use nuclear energy for electricity and production of drinking water through desalination. The countries signed a cooperation agreement in March under which China Nuclear Energy Engineering Group (CNEC) and the King Abdullah City for Atomic and Renewable Energy (KA-CARE) are to consider the development of system solutions for the investment and construction of high temperature reactors. They will also examine cooperation in intellectual property and the development of an industrial supply chain in Saudi Arabia. The feasibility study, it said, will also support the Saudi government in its decisions related to a potential high temperature reactor project.

                      CNEC said that since the signing of that MOU, the two countries have been looking at site selection for the project, building a regulatory system, and training personnel, among other things.

                      Researched and written

                      by World Nuclear News

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