我厂利用热电厂湿排粉煤灰为主要原料(50～60%),采用生石灰(8%)和二水石膏(2%)为胶结料,掺以适量粗颗粒煤渣(30～40%)为骨料,以常压蒸养法生产粉煤灰砖,现生产规模为年产1500万块,废渣年处理量3万吨。该生产线于1970年建成投产,十多年来,在产品的质量控制上, Our factory uses wet coal ash from thermal power plants as the main raw material (50～60%), and uses quicklime (8%) and dihydrate gypsum (2%) as cementing material, mixed with appropriate coarse grain coal slag (30～40%) as Aggregate is produced by atmospheric pressure steam curing method. The current production scale is 15 million pieces per year and the waste residue is 30,000 tons per year. The production line was completed and put into production in 1970. Over the past 10 years, the company has been in the control of product quality.