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亚博ag真人
亚博ag真人
亚博ag真人
亚博ag真人
亚博ag真人
煤炭等废弃物冲击碾压案例
工程名称:煤炭等废弃物冲击碾压案例
浏览次数:1250

煤炭等废弃物冲击碾压案例

   煤矸石是一种在成煤过程中与煤层伴生的一种含碳量较低、比煤坚硬的黑灰色岩石,在采煤过程和洗煤过程中大量排放,排放量大,约占许多国家工业固体废物的四分之一。
    煤矸石其主要成分是Al2O3、SiO2,由于含碳达到20%~30%甚至更高,有些还会含腐殖酸、磷、硫等,再加上长期暴露在空气中,有极大可能自燃,为了解除煤炭自燃的风险,有必要压实丢弃,以便减少孔隙的含氧量。
    煤炭等废弃物在经过冲击碾压后,达到缩减堆放体积及解除煤炭自燃的风险的效果:
    
   在煤炭的堆弃中冲击式压实机的应用,明显降低了堆放、整理时间,质量保证水平远超推土机等设备,同时由于冲击压缩的原因,增加了2~3倍体积的煤炭丢弃量。

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