The accident had occurred unexpectedly that the tailings outpoured from the gab during the gob hydraulic fill in Dongguashan copper mine.

 
  • 冬瓜山銅礦東山采空區全尾砂充填過(guò)程中,發(fā)生尾砂泄漏事故,經(jīng)事故原因分析,查處尾砂泄漏點(diǎn),采用高壓旋噴注漿技術(shù)堵水,結果表明治理效果很好。
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