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由太原理工大学、山西阳方口矿业集团有限公司联合开发的利用井下移动式制氮装置防治特厚易燃煤层采空区灭灾技术,最近在太原通过了山西省科委组织的技术鉴定。煤矿氮气防、灭火是向采空区氧化带内或火区内注入一定量的氮,使氧含量降低,从而抑制煤层的氧化自燃。该成果是采用引
By Taiyuan University of Technology, Shanxi Yangfangkou Mining Group Co., Ltd. jointly developed the use of underground mobile nitrogen prevention and control equipment particularly thick flammable seam mined-out area of disaster prevention technology recently passed in Shanxi Province Science and Technology Commission organized the technical appraisal . Nitrogen in coal mine fire prevention and extinguishing is to inject a certain amount of nitrogen into the oxidation zone or the fire zone of the goaf to reduce the oxygen content so as to suppress the oxidation spontaneous combustion of the coal seam. The result is cited