上海生产碱渣空心小砌块上海星火建材厂利用工业废渣一碱矿渣作胶凝材料生产砼空心小砌块已初具规模。利用碱矿渣生产空心小砌块可大幅度降低生产成本，其产品的销售价格可与传统的实心粘土砖持平甚至略低。这种砼砌块的胶凝材料是利用工业废料水玻璃渣等可溶性的碱性盐类... Shanghai Production of Soda Residue Hollow Small Blocks Shanghai Spark Building Material Factory uses industrial waste slag-alkali slag as cementitious material to produce small hollow blocks that have begun to take shape. The use of alkali slag to produce hollow blocks can substantially reduce production costs, and the sales price of its products can be even or slightly lower than traditional solid clay bricks. The cementitious material of the concrete block is the use of industrial waste water glass slag and other soluble alkaline salts...