三峡升船机完成停航检修复航

Core Points - The Three Gorges Ship Lift has successfully completed its scheduled maintenance and resumed operations on September 29, 2025 [1][5] Group 1: Maintenance Details - The scheduled maintenance began on August 25, 2025, lasting for 35 days, marking the fifth planned maintenance since the lift began operations [2] - A total of over 60 maintenance tasks were completed across seven categories, including metal structure, hydraulic, electrical, and water engineering [2] - The maintenance aimed to eliminate equipment defects and ensure the long-term safe and efficient operation of the Three Gorges navigation hub [2] Group 2: Efficiency Improvements - The maintenance process was optimized, resulting in nearly a 20% increase in efficiency for certain tasks, such as the single balance chain maintenance [2] - New equipment, including large nut column laser cleaning devices and specialized floating cranes, significantly improved cleaning efficiency by over three times and addressed challenges related to space and material transport during maintenance [5] Group 3: Operational Statistics - The Three Gorges Ship Lift is the largest and most technically advanced ship lift in the world, capable of quickly lifting vessels with a displacement of 3,000 tons [6] - Since its operation, it has safely and steadily handled 32,600 vessels, transporting over 2.02 million passengers and 19.63 million tons of cargo [6]