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随着电力工业的发展,燃煤电厂排出的粉煤灰量日益增加。目前,粉煤灰年排收量已超过6000万吨,且每年以500—600万吨的数量递增,不仅占用大量土地,花费可观的处置费用,还对环境造成一定的污染。资源综合利用是我国经济建设中一项重大技术经济政策,粉煤灰是可以利用的资源。“七五”期间,作为我国资源综合利用突破口的粉煤灰综合利用,发展较快,年利用量已达1800万吨,广泛用于建材、建工、筑路、回填、农业等领城,并取得了许多成功经验和技术。实践证明,开展粉煤灰综合利用,具有明显的社会效益、环境效益和经济效益。我国粉煤灰的有效利用从建材开始,目前利用量也最大,主要用于烧砖和制水泥、陶
With the development of the power industry, the amount of fly ash discharged from coal-fired power plants is increasing day by day. At present, fly ash annual discharge has exceeded 60 million tons, and the annual increase of 500-600 tons, not only occupy a large amount of land, cost considerable disposal costs, but also cause some pollution to the environment. Comprehensive utilization of resources is a major technical and economic policy in China’s economic construction. Fly ash is a resource that can be used. During the “Seventh Five-Year Plan”, comprehensive utilization of fly ash as a breakthrough point of comprehensive utilization of resources in our country has witnessed a rapid development with annual utilization of 18 million tons. It is widely used in the leading cities such as building materials, construction, road construction, backfilling and agriculture, And many successful experiences and techniques have been achieved. Practice has proved that the comprehensive utilization of fly ash, with significant social benefits, environmental benefits and economic benefits. The effective utilization of fly ash in our country starts from building materials and is also used most at present. It is mainly used for burning bricks and making cement, pottery