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《高瓦斯礦井孤島綜放采空區(qū)遺煤自燃綜合防治技術(shù)》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、第6卷第5期中國安全生產(chǎn)科學(xué)技術(shù)V01．6No．52010年lO月JournalofSafetyScienceandTechnologyOct．2010文章編號：1673—193X(2010)一05—0060—07高瓦斯礦井孤島綜放采空區(qū)遺煤自燃綜合防治技術(shù)呂文陵，楊勝強(qiáng)，徐全，程濤，黃金，何磊(中國礦業(yè)大學(xué)安全工程學(xué)院煤炭資源與安傘_Jf采圜家重點(diǎn)實(shí)驗(yàn)室，徐州221008)摘要：針對囤陽二礦高瓦斯白燃煤層綜放開采的實(shí)際情況，分析了“U+Ⅱ”型孤島綜放面采空區(qū)遺煤自燃特點(diǎn)及危險(xiǎn)件。利用單元法對孤島面的漏風(fēng)狀況進(jìn)行r實(shí)測，并通過數(shù)值模擬分析了綜放采空區(qū)內(nèi)的
2、漏風(fēng)流場，根據(jù)采空區(qū)自燃“三帶”的滲流風(fēng)速確定了可能自燃帶的范圍，表明采區(qū)漏風(fēng)是“u+Ⅱ”型孤島綜放面采空區(qū)遺煤自燃的主要危險(xiǎn)因素。在此基礎(chǔ)上，結(jié)合實(shí)際情況系統(tǒng)地制定了以有效控制采空區(qū)漏風(fēng)和重點(diǎn)發(fā)火區(qū)域注膠為主的綜合防滅火技術(shù)措施，為有效控制綜放采空區(qū)遺煤自燃，實(shí)現(xiàn)礦井高產(chǎn)高效、安全生產(chǎn)提供技術(shù)保障。實(shí)踐表明，運(yùn)用控制工作面風(fēng)量與高抽巷負(fù)壓、均壓堵漏、壓注膠體防滅火材料及加快工作面推進(jìn)速度等綜合防滅火技術(shù)防治高瓦斯礦井“U+Ⅱ”型孤島綜放面采空區(qū)遺煤自燃是可行的。關(guān)鍵詞：采空區(qū)；漏風(fēng)；孤島而；綜合防滅火技術(shù)中圖分類號：TD75文獻(xiàn)標(biāo)識碼：APrevent
3、ionandextinguishmenttechnologyofspontaneouscombustionforisolatedislandfullymechanizedcavinggoafinhigh-gasmineLVWen—ling，YANGSheng—qiang，XUQuan，CHENGTao，HUANGJin，HELei(ChinaUniversityofMiningandTechnology，SchoolofSafetyEngineeringStateKeyLaboratoryofCoalResourcesandMineSafety，Xuzh
4、ou221008，China)Abstract：Basedonthecharacteristicsof“U+11”typeisolatedislandfullymechanizedcavingfaceinhigh—gasmine，thecharacteristicsanddangerousnessofspontaneouscombustionatthiscoalfacewereanalyzed．Throughtheapplicationofunitmethodtomeasuretheairleakageofface，andusingFluenttosim
5、ulatethegoafflowfield，therangeof“spontaneouscombustionzone’’wasputoutbytherulesofgoaf“ThereZone”flowvelocity．Theresultsshowedthatthemainriskfactorofspontaneouscombustionat“U+H’’typeisolatedislandfullymechanizedcavingfaceistheairleakage．Onthisbasis，integratedpreventingandextinguis
6、hingfiretechnologieseffectbythemainactionofcontrollingtheairleakageandpressingfirepreventiongeltospontaneouscombustionareawereanalyzedcombinedwiththeactualsituationofthespontaneouscombustionin80509isolatedislandfullymechanizedcavingface，includingcontrollingtheairquantityandtheneg
7、ativepressureofsuction，pressurebalancingandpluggingleakagechannel，pressingfirepreventiongelandincreasingdrawingspeedofworkingface．Theresultsshowedthattheintegratedpreventingandextinguishingfiretechnologiesarefeasible，whichcanprovidetechnicalsuppo~forminesafetyproductionandrealizi
8、nghighyieldandhighefficiency．Keywords：go
