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煤灰砖是以电厂粉煤灰为主要原料,并掺入适量的磨细生石灰,加入一定量的煤渣或水淬矿渣作骨料,经混合、消化、碾压、成型、养护而制得的一种墙体材料。利用粉煤灰制砖,既可变废为利,减少环境污染,又可不占良田,支援农业。所以,煤灰砖的生产发展很快,全国各地许多煤灰砖厂都相继建成投产。
The coal ash brick is based on the power plant fly ash as the main raw material, and is blended with an appropriate amount of finely ground lime. A certain amount of coal slag or water quenched slag is added as aggregate, and is obtained through mixing, digestion, rolling, forming, and curing. A wall material. The use of fly ash to make bricks will not only make waste more profitable, reduce environmental pollution, but also do not account for farmland and support agriculture. Therefore, the production of coal ash bricks has developed rapidly. Many ash brick brick factories throughout the country have been completed and put into operation.