摘   要：采用石油焦气化渣作为硅质原料制备了蒸压加气混凝土砌块，研究了石油焦气化渣的掺量以及减水剂的类型、掺量和掺入顺序对蒸压加气混凝土砌块干密度和抗压强度的影响，并对掺石油焦气化渣蒸压加气混凝土砌块的生产线应用进行了分析介绍。结果表明：采用石油焦气化渣可制备出强度等级A3.5、密度等级B05或B06的蒸压加气混凝土砌块，且石油焦气化渣的掺量可高达50%；掺入适量减水剂可显著降低掺石油焦气化渣蒸压加气混凝土砌块的水料比，提高干密度和抗压强度；固体减水剂的减水效果比液体减水剂的减水效果好；将固体减水剂与水混合后掺入比直接掺入固体减水剂的效果好。

Abstract: Autoclaved aerated concrete blocks were prepared by using petroleum coke gasification slag as siliceous raw material, and the effects of the content of petroleum coke gasification slag, the type, content and incorporation order of water reducing agent on the dry density and compressive strength of autoclaved aerated concrete blocks were studied. The production line application of autoclaved aerated concrete blocks mixed with petroleum coke gasification slag was analyzed and introduced. The results show that autoclaved aerated concrete blocks with strength grade of A3.5, density grade of B05 or B06 can be prepared by using petroleum coke gasification slag, and the content of petroleum coke gasification slag can be as high as 50%. The water material ratio of autoclaved aerated concrete blocks mixed with petroleum coke gasification slag can be significantly reduced, and the dry density and compressive strength can be improved by adding appropriate content of water reducing agent. The water reducing effect of solid water reducing agent is better than that of liquid water reducing agent. The effect of mixing solid water reducing agent with water is better than that of directly adding solid water reducing agent.