服役42年 安徽首座500千伏跨江电塔爆破拆除

Core Points - The demolition of the 500 kV transmission towers in Wuhu, Anhui Province, marks the completion of the historical mission of the first 500 kV cross-river transmission line in the province [1] - The project is part of the Gansu-Zhejiang ±800 kV UHVDC transmission project, which aims to upgrade the existing infrastructure to enhance power transmission capacity [1] - The construction of the underground 500 kV GIL (Gas Insulated Transmission Line) corridor will improve cross-river transmission capabilities while ensuring ecological protection and navigation on the Yangtze River [2] Group 1 - The southern tower of the 500 kV transmission line was successfully demolished on December 20, 2023, following the earlier demolition of the northern tower on December 10, 2023 [1] - The original transmission line, built in October 1983, featured towers that were 160 meters tall and spanned 1216 meters across the Yangtze River [1] - The demolition involved complex environmental challenges, including temporary traffic control and navigation restrictions on the Yangtze River [1] Group 2 - The project execution manager from State Grid Anhui Electric Power Construction Company highlighted the necessity of the demolition to facilitate the new ±800 kV cross-river transmission line [1] - The GIL corridor will significantly enhance the power transmission capacity while maintaining ecological balance and supporting navigation in the area [2]