“三维降碳”技术助力建造高海拔“近零碳”医院

Core Insights - The construction of the Sichuan University West China Second Hospital in Tibet aims to create a modern healthcare facility focused on the health of women and children in the high-altitude region, overcoming extreme weather challenges [1][4] - The project has developed a "three-dimensional carbon reduction technology" to achieve near-zero carbon emissions, significantly reducing carbon output by 65% [3] Group 1: Project Challenges - The construction site faces extreme cold and oxygen-deficient conditions, with temperatures dropping to minus 10 degrees Celsius [1] - Key challenges identified include rapid heat loss in cold conditions, difficulty in balancing insulation and natural light, and low energy recovery efficiency due to continuous ventilation [1] Group 2: Innovative Solutions - The project employs passive heating strategies by utilizing large, high-performance windows to capture sunlight and thick insulation on the north side to retain heat [3] - Active efficiency improvements include the introduction of air-source heat pumps and a fresh air heat recovery system, enhancing internal heat circulation [3] - Renewable energy sources are harnessed through extensive installation of solar photovoltaic panels and solar water heating systems, converting abundant sunlight into sustainable energy [3] Group 3: Project Status and Future Outlook - The hospital's main structure is expected to be completed by the eve of the 2026 Spring Festival, marking a significant milestone in its development [4] - The facility is positioned to serve as a critical healthcare resource for women and children in Tibet while exemplifying the integration of green technology in high-altitude construction [4]