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Practice of Gob Coal Fire Safety in Huaian Mining
Author(s): 
Pages: 74-75
Year: Issue:  5
Journal: Coal

Abstract: 槐安煤业15201工作面初期采用旧采方式回收边角煤,后期布置综采工作面进行回采28d后,采空区浮煤自燃发火,采用局部反风、采空区注水、缓慢推进、快速推进,使高温自燃隐患区域进人窒息带,彻底消除了隐患.
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