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我国建筑业对粉煤灰的利用研究,在五十年代已经开始,经过二十多年来的实践,现已成为利用粉煤灰最多的行业。据统计,1979年我国电厂排灰量3700万吨,利用了330万吨,其中建筑业的用灰量约为230万吨,即占全国粉煤灰已利用部分的70％左右。由于我国城乡基本建设工程量大面广,需要各种各样的建筑材料。特别是水泥和墙体材料,更是国家建设和城乡建房所迫需。因此,把粉煤灰广泛应用于生产各种建筑材料和建筑工程中,仍是今后综合利用粉煤灰的一个主要途径。
The research on the utilization of fly ash in China’s construction industry started in the 1950s. After more than 20 years of practice, it has become the industry that uses the most fly ash. According to statistics, in 1979, China’s power plants discharged 37 million tons of ash, using 3.3 million tons, of which the construction industry used about 3,000 tons of ash, which accounted for about 70% of the portion of the total use of fly ash. Due to the large number of urban and rural infrastructure projects in China, various types of building materials are required. In particular, cement and wall materials are more than necessary for national construction and urban and rural housing construction. Therefore, the fly ash is widely used in the production of various building materials and construction projects, and is still a major way to comprehensively use fly ash in the future.