山东海阳核电三期工程首台盾构机顺利下线

Core Viewpoint - The successful launch of the first shield machine "Hainuke No. 1" for the Shandong Haiyang Nuclear Power Phase III project marks a significant advancement in the construction of the nuclear power facility, which is crucial for optimizing regional energy structure and ensuring energy security in line with national energy planning [1] Group 1: Project Overview - The Shandong Haiyang Nuclear Power project plans to construct six 1 million kilowatt nuclear power units, with the Phase III project including a circulation water drainage system consisting of two siphon wells, two tunnels, and sixteen vertical drainage pipes [1] - The "Hainuke No. 1" shield machine has a maximum excavation diameter of 7.29 meters and a total length of 126 meters, specifically designed for the excavation tasks of the drainage tunnel for Unit 5 [1] Group 2: Technological Features - The "Hainuke No. 1" is a domestically produced mud-water balance shield machine, featuring a "spoke + panel" composite structure for effective performance in complex geological conditions [1] - It is equipped with a reverse washing mode in the excavation chamber to reduce sedimentation issues and significantly enhance the mud circulation and spoil-carrying capacity, thereby improving excavation efficiency [1] Group 3: Strategic Importance - The Shandong Haiyang Nuclear Power Phase III project is a key initiative under the national "14th Five-Year" modern energy system planning and the Shandong provincial energy development plan, highlighting its importance in constructing a new energy system [1]