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1、浅析如何做好煤矿矿井防灭火工作中英文翻译HowtodocoalminefirepreventionworkinbothChineseandEnglishtranslation本文主要探讨了煤矿的防灭火技术及手段已有了较大的发展与提升。但还应看到,目前自燃发火形势依然严峻,仍需要继续不断地完善和提高防治技术水平,加强基础研究,研究和开发刨新的技术手段,特别是把非线性科学的理论和方法引人矿山安全保障系统的研究与应用中,以便能够改变自燃火灾的不利形势。与之同时,还要加大矿井灭火资金的投人和严格的措施管理。Thisarticlemainlyprobesintothecoalmi
2、nefirepreventiontechnologyandmethodhaslargerdevelopmentandpromotion.Butalsoshouldsee,atpresentthespontaneouscombustionsituationisstillgrim,stillneedtocontinuetoconstantlyperfectandimprovethelevelofpreventionandcontroltechnology,tostrengthenbasicresearch,dignewtechnologyresearchanddevelop
3、ment,especiallythetheoryandmethodofthenonlinearscienceisthestudyandapplicationoftheguaranteesystemofminesafety,tobeabletochangetheunfavorablesituationofspontaneouscombustionfire.Andatthesametime,shouldstrengthentheminefiremoneyfundandstrictmanagementmeasures. 1、矿井火灾预测预报理论及方法1,thetheorya
4、ndmethodofminefireprediction 1.1煤的自燃机理研究 近年来,根据固体有机物氧化理论,我国一些学者对煤的自燃,特别是对其初期的氧化现象进行的研究表明:煤炭的氧化和自燃是一种基一链反应。即煤炭在其生成过程中形成了许多含氧游离基,如羟基(一OH)、羧基(一COOH)和羰基(>C=O)等;在低温下,煤从空气中吸附的氧气与这些游离基反应,会生成更多的、稳定性不同的游离基,这时放出的热量虽很少,但煤的活性增强;随着这一过程的不断继续,在一定条件下,具有自燃倾向性的煤就可能发展为煤炭自燃。1.1coalspontaneouscombustionmec
5、hanismoftheresearchinrecentyears,accordingtothesolidorganicoxidationtheory,somescholarsofthespontaneouscombustionofcoalinourcountry,especiallytheoxidationphenomenonintheearlystudiesshowedthattheoxidationandspontaneouscombustionofcoalisakindofachainreaction.Thecoalintheprocessofits7format
6、ionformedmanyoxygenfreeradicals,suchashydroxyl(OH),carbonylandcarboxyl(-cooh)group(>C=O),etc.;Underlowtemperature,coaladsorptionofoxygenfromtheairandthefreeradicalreaction,generatemore,stabilityofdifferentfreeradical,thengivesoffheat,thoughafew,buttheactivityofcoalincreased;Asthisprocess
7、continues,undercertainconditions,hasthespontaneouscombustiontendencyofcoalmaybeforthedevelopmentofcoalspontaneouscombustion. 1.1.1煤炭自燃必须具备的四十条件(四要素)1.1.1thecoalspontaneouscombustionconditionsof40(4elements) 1)煤具有自燃倾向性(即在常温下有较高的氧化活性);2)具有自燃倾向性的煤呈破碎状态并集中堆积存放:3)有连续的供氧条件;4)热