河北省邢台市新兴建材厂引进中国建筑材料科学研究院水泥所新技术室研制的粉煤灰空心砌块于1994年4月7日通过了由邢台市科委组织的新产品鉴定。30多位专家一致认为,该产品配方科学,工艺合理,产品性能良好。废渣利用率占85％,不需蒸养,耗能少,经济效益明显,是节能型新产品。该产品各项性能指标达 Xingtai City, Hebei Province, the emerging building materials factory to introduce the Chinese Academy of Building Materials Research Institute of Cement Technology developed by the fly ash hollow block on April 7, 1994 passed the Xingtai City Science Committee organization of the new product identification. More than 30 experts agreed that the product has a scientific formula, reasonable technology and good product performance. The utilization rate of waste slag is 85%, no steaming, no energy consumption, and obvious economic benefits. It is an energy-saving new product. The product performance indicators