矿用防爆无轨胶轮车火灾预防对策及自动灭火系统
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摘要
针对煤矿井下防爆无轨胶轮车的设计及使用环境,分析了其火灾特点与主要成因,并从火灾发生的三要素(助燃剂、可燃物、引火源)出发,得出了无轨胶轮车表面的油污煤泥积聚、布置混乱的胶管电缆是火灾的主要可燃物,发动机舱意外高温、电缆磨损短路是主要引火源。并从防爆无轨胶轮车的设计制造、检修维护、管理使用等几个方面提出了预防火灾的对策,重点介绍了3种不同工作原理的车载自动灭火系统,对比了其各自的优缺点和对煤矿用防爆无轨车辆的适用性。
Aiming at the design and service environment of explosion-proof trackless rubber-tyred vehicle in underground coal mine, the fire characteristics and main causes are analyzed. Starting from the three elements of fire(combustion improver,combustibles and ignition sources), it is concluded that the accumulation of oil and coal slime on the surface of trackless rubbertyred vehicles and the disorganized rubber pipe cables are the main combustibles in the fire, and the accidental high temperature in the engine room and the cable wear and short circuit are the main ignition sources. Fire prevention countermeasures are proposed from several aspects of explosion-proof trackless rubber-tyred vehicle design and manufacture, maintenance, management and use. This paper mainly introduces three kinds of vehicle-mounted automatic fire extinguishing systems with different working principles, and compares their advantages and disadvantages as well as their applicability to explosion-proof trackless vehicles for coal mine.
Aiming at the design and service environment of explosion-proof trackless rubber-tyred vehicle in underground coal mine, the fire characteristics and main causes are analyzed. Starting from the three elements of fire(combustion improver,combustibles and ignition sources), it is concluded that the accumulation of oil and coal slime on the surface of trackless rubbertyred vehicles and the disorganized rubber pipe cables are the main combustibles in the fire, and the accidental high temperature in the engine room and the cable wear and short circuit are the main ignition sources. Fire prevention countermeasures are proposed from several aspects of explosion-proof trackless rubber-tyred vehicle design and manufacture, maintenance, management and use. This paper mainly introduces three kinds of vehicle-mounted automatic fire extinguishing systems with different working principles, and compares their advantages and disadvantages as well as their applicability to explosion-proof trackless vehicles for coal mine.
引文
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[2]宋立.浅谈矿用汽车火灾特点及自动消防系统的应用[J].矿用汽车,2014(3):28-30.
[3]MT 990-2006矿用防爆柴油机通用技术条件[S].
[4]MT/T 989-2006矿用防爆柴油机无轨胶轮车通用技术条件[S].
[5]周茂普.矿用防爆无轨胶轮车安全保护系统的研究[J].液压与气动,2008(12):43-44.
[6]王晓.矿用胶轮车用柴油机与传动系统仿真分析[J].煤炭科学技术,2012(8):64-66.
[7]徐晓明.煤矿井下胶带输送机火灾事故分析及预防对策[J].煤矿安全,2010(9):132-134.
[8]刘伟,郭鹿林,刘立春,等.矿井火灾危害及预防措施[J].煤矿安全,2008(7):48-50.
[9]陈晨,齐庆杰.矿井火灾防治技术的发展现状及趋势[J].煤炭技术,2009(3):3-5.
[10]雷蕾,贺小军.汽车火灾的分析与扑救对策[J].消防科学与技术,2004(5):81-82.
[11]林震,章凯.汽车火灾及车用自动灭火装置的相关问题[J].消防科学与技术,2014(10):1155-1158.