Autoclaved fly ash brick production lineis sand or other slag or ash as raw material, add lime, gypsum and aggregates, billet preparation by, pressing, efficient steam curing process made. including: mixers, digestion machine, gray sand steam press, wheel mill, autoclave and other major equipment, and box-type feeder, screw conveyor, bucket climb, aggregate that belt conveyor, maintenance trolley, ferry cars and other auxiliary equipment. Block production line is suitable for large scale industrial production.