“变废为宝”清洁供暖有新招 保障百姓绿色取暖、温暖过冬

Core Points - The article discusses the exploration of clean heating methods in Gansu Province, particularly in Lanzhou, aiming to reduce energy consumption and carbon emissions during the heating season [1] Group 1: Urban Heating Innovations - Lanzhou has introduced the first sewage source heat pump station in Gansu, set to operate in the 2025 heating season, which can reduce carbon emissions by 47,000 tons annually compared to traditional gas boilers [1] - The sewage source heat pump technology extracts thermal energy from treated sewage without burning fossil fuels, creating a closed system that returns sewage to the treatment plant [6] - Another project in the Qilihe District utilizes geothermal water extracted from 2,300 meters underground, saving over 7,000 tons of standard coal and reducing CO2 emissions by approximately 19,000 tons each year [8] Group 2: Rural Clean Heating Initiatives - In rural areas, Gansu is promoting clean heating solutions, such as solar thermal systems that convert solar energy into heat for residential use without coal stoves [11] - In Huai County, villagers are installing biomass clean energy boilers that use agricultural waste as fuel, effectively reducing coal pollution and promoting waste recycling [12] - A total of 5,150 households in Huai County are set to implement clean energy heating renovations by 2025, significantly lowering atmospheric pollutant emissions [12]