| 注氮防灭火技术在煤矿中的应用 |
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| 引用本文： | 肖蕾,郭玉东,张平银.注氮防灭火技术在煤矿中的应用[J].宁夏工程技术,2009,8(1):19-23. |
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| 作者姓名： | 肖蕾 郭玉东 张平银 |
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| 作者单位： | 1. 宁夏煤矿安全监察局,宁夏,银川,750001
2. 神华宁夏煤业集团有限责任公司,宁夏,银川,750001 |
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| 摘 要： | 为了有效预防、控制和扑灭井下火灾，通过煤矿对注氮防灭火的实践应用，认为以注氮为主的防灭火是井下预防火灾和减少火灾损失的一种非常有价值和实用的技术，它可用于煤矿自燃发火的预防（稳定和控制发热）、火势控制、窒息火区、可控制的缩封和启封火区。当氮气注入工作面采空区或火区，使氧含量降低到5％～10％时，可抑制煤的氧化自燃以及瓦斯爆炸，而氧含量降低到3％以下时，则可以使煤炭燃烧熄灭并阻止其复燃。该技术在宁夏煤矿火灾的防治中得到多次应用，其技术处在国内先进水平之列，对于开采自燃煤层煤矿火灾预防与防治具有积极的推广价值。
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| 关 键 词： | 煤矿 工作面 注氮 缩封 防灭火 |
Application of Nitrogen injection for Fire-fighting in Coal Mine |
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| XIAO Lei,GUO Yudong,ZHANG Pingyin.Application of Nitrogen injection for Fire-fighting in Coal Mine[J].Ningxia Engineering Technology,2009,8(1):19-23. |
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| Authors: | XIAO Lei GUO Yudong ZHANG Pingyin |
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| Affiliation: | 1.Ningxia Coal Mine Safety Supervision Bureau;Yinchuan 750001;China;2.Propylene Company of Shenhua Ningxia Coal Industry Group Co.;Ltd.;China |
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| Abstract: | In order to prevention,control and extinguishing underground fires effectively,through the application of nitrogen injection for coal mine fire prevention,this paper discussed a very valuable and practical technology that nitrogen injection for fire control and prevention in coal mine well,it can be used for the prevention of coal spontaneous combustion(heat stability and control),fire control and stifle the fire zone,controllable sealing and unsealing fire area.When the inert nitrogen injected into the wor... |
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| Keywords: | coal mine working face fire nitrogen injected |
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