小型砼空心砌块的推广及应用孙永宏（甘肃省国营嘉峪关水泥厂）目前，我国墙体材料产品９５％是实心粘土砖，每年墙体材料生产能耗和建筑采暖能耗１１３亿吨标准煤，约占全年能源消耗总量的１１５％。全国砖瓦企业占地约４５０万亩，煤电企业每年要排放２亿吨粉煤灰和煤矸... Promotion and Application of Small-sized Hollow Hollow Blocks Sun Yonghong (Gansu State-owned Jiayuguan Cement Plant) At present, 95% of China’s wall material products are solid clay bricks. Each year, energy consumption of wall materials and construction energy consumption are 11.3 billion tons of standard coal. About 115% of the total annual energy consumption. The country’s brick and tile enterprises cover an area of ​​about 4.5 million mu, and coal-fired power companies need to discharge 200 million tons of fly ash and coal miners annually...