开展了以黄河淤泥砂为原料生产多孔砖的研究 ,分析了黄河淤泥砂的性能 ,介绍了黄河淤泥砂烧结多孔砖的研制和生产过程 ,对生产中的主要技术进行了探讨。指出利用黄河淤泥砂生产烧结多孔砖是完全可行的 ,技术关键是原料的有效陈化和均化 ;采用大功率双级真空挤出机和严格干燥制度有利于提高半成品强度 ,减少制品开裂 The Yellow River silt sand as raw material to produce porous brick research, analysis of the Yellow River silt sand performance, introduces the Yellow River silt sand sintered porous brick research and production process, the production of the main technology were discussed. It points out that the use of Yellow River silt sand production of sintered porous brick is entirely feasible, the key technology is the aging and homogenization of raw materials; the use of high-power two-stage vacuum extruder and strict drying system is conducive to improving the strength of semi-finished products to reduce product cracking