精品文献
煤矸石和石煤的区别
高含量蒙脱石煤矸石制砖工艺
高含量蒙脱石煤矸石制砖工艺
高含量蒙脱石煤矸石具有干燥线收缩大 ,易产生裂纹 ;对水的吸附能力大 ,脱水难度大 ,焙烧收缩大 ,易产生焙烧裂纹。针对煤矸石的特性 ,对生产工艺进行研究改造 ,采用科学配料 ,提高瘦化料、原料细化、延长原料陈化时间 ,干燥采用低温慢干 ,改变码烧方式 ,焙烧采用低温长烧 ,提高了煤矸石制多孔砖的产量和合格率
高含量蒙脱石煤矸石制砖工艺的研究及实施
高含量蒙脱石煤矸石制砖工艺的研究及实施
The montmorillonite content was as high as 42% for the coal gangue in Inner Mongolia Dayan Coal Co., so it was difficult to manufacture brick with this coal gangue. The production technology was reconstructed in order to resolve these difficulties. The reconstruction included materials mixing, improving raw materials fineness, extending ageing period, reducing forming resistance,increasing extrusion stress, low temperature drying and long period firing, etc. After the reconstruction, the production ability and qualified products were also improved.