| 超前精准预注氮在自燃煤层工作面中的应用 |
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| 引用本文： | 赵文曙,咸英群,刘晓春.超前精准预注氮在自燃煤层工作面中的应用[J].江西煤炭科技,2020(2):146-149. |
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| 作者姓名： | 赵文曙 咸英群 刘晓春 |
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| 作者单位： | 山西西山煤电股份有限公司西铭矿,山西 太原 030052;山西西山煤电股份有限公司西铭矿,山西 太原 030052;山西西山煤电股份有限公司西铭矿,山西 太原 030052 |
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| 摘 要： | 西铭矿在43104、49407等采掘面采用了超前预注氮与精准靶向预注氮技术,对上覆、相邻采空区及上覆采空区煤柱进行超前与精准预注氮防灭火措施,降低氧化带氧气含量,有效根治了采空区自然发火隐患,取得了良好效果,确保了安全开采。
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| 关 键 词： | 超前 精准 预注氮 防灭火 |
Application of Advanced and Precise Nitrogen Pre-injection at Working Face with Spontaneous-combustion Coal Seam |
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| Zhao Wenshu,Xian Yingqun,Liu Xiaochun.Application of Advanced and Precise Nitrogen Pre-injection at Working Face with Spontaneous-combustion Coal Seam[J].Jiangxi Coal Science & Technology,2020(2):146-149. |
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| Authors: | Zhao Wenshu Xian Yingqun Liu Xiaochun |
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| Affiliation: | (Ximing Colliery,Xinshan Coal&Electricity Co.,Ltd.,Taiyuan,Shanxi 030052) |
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| Abstract: | The paper introduces the technical application of advanced and precise-targeting pre-injection in overlying,adjacent goaf and coal pillar for fire prevention and extinguishing,which can reduce the oxygen content in oxidation zone,fundamentally solve the spontaneous combustion and guarantee the safety production. |
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| Keywords: | advanced precise nitrogen pre-injection fire prevention and extinguishing |
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