国产“硬核”装备全面保障“华龙一号”新机组

Core Insights - The Guangdong Taipingling Nuclear Power Project Unit 1 and the Zhejiang San'ao Nuclear Power Project Unit 1 have received operating licenses and commenced the first nuclear fuel loading, marking their entry into the nuclear commissioning phase [1] - China Dongfang Electric Corporation has provided core equipment for these "Hualong One" units, achieving breakthroughs in domestic production [1] Group 1: Project Details - The Taipingling and San'ao nuclear power stations are located in Huizhou, Guangdong Province, and Cangnan County, Zhejiang Province, respectively, with plans to construct six 1,000 MW pressurized water reactor units at each site [1] - Dongfang Electric and its subsidiaries have achieved breakthroughs in the independent production and mass supply of several key components for the "Hualong One" nuclear island and conventional island [1] Group 2: Technological Achievements - During the development of the reactor pressure vessel and stabilizer equipment, Dongfang Heavy Machinery overcame several technical challenges, including automatic TIG welding and deformation prevention welding [1] - In the development of reactor coolant pumps, Dongfang Famatong achieved full domestic production of key components, breaking through core technologies for full-size processing of impeller flow passages [1] - In the manufacturing of nuclear control rod drive mechanisms, Dongfang Turbine conquered core technologies for high-precision part processing and dissimilar material cladding, achieving full domestic production of key components [1] - The R&D team has established a patent layout around relevant core technologies [1] Group 3: Environmental Impact - Once operational, each unit is expected to provide nearly 10 billion kWh of clean electricity annually, sufficient to meet the annual electricity needs of 1 million people [2] - The projects are expected to reduce standard coal consumption by over 3 million tons and decrease carbon dioxide emissions by 9.24 million tons, equivalent to afforesting 22,500 hectares [2]