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1、Vo1.40No.6礦業(yè)安全與環(huán)保第40卷第6期Dec.2013MININGSAFETY&ENVIRONMENTALPROTECTION2013年12月乙體成,鄭樹(shù)權(quán),王社新,等.東保衛(wèi)煤礦大傾角煤層頂板活動(dòng)規(guī)律與綜采試驗(yàn)研究[J].礦業(yè)安全與環(huán)保,2013,40(6):5O一53文章編號(hào):1008—4495(2013)06—0050—04東保衛(wèi)煤礦大傾角煤層頂板活動(dòng)規(guī)律與綜采試驗(yàn)研究乙體成,鄭樹(shù)權(quán),王社新,畢可仁,周脈剛(龍煤集團(tuán)雙鴨山分公司東保衛(wèi)煤礦,黑龍江雙鴨山155133)摘要:分析了東保衛(wèi)煤礦大傾角煤層(35。一55。)的綜合
2、機(jī)械化開(kāi)采技術(shù)難題,通過(guò)對(duì)大傾角煤層覆巖變形移動(dòng)規(guī)律的立體相似材料模擬、覆巖應(yīng)力分布規(guī)律的FLAC數(shù)值模擬和試驗(yàn)室的支架穩(wěn)定性研究,其結(jié)果為大傾角煤層圍巖控制提供了依據(jù)。結(jié)合現(xiàn)場(chǎng)實(shí)際確定了綜采設(shè)備型號(hào)及設(shè)備穩(wěn)定性控制的關(guān)鍵技術(shù)措施。大傾角煤層綜合機(jī)械化開(kāi)采工業(yè)試驗(yàn)及礦壓監(jiān)測(cè)結(jié)果表明,其經(jīng)濟(jì)技術(shù)效果良好,并已在龍煤集團(tuán)公司全面推廣應(yīng)用。關(guān)鍵詞:大傾角煤層;綜合機(jī)械化開(kāi)采;礦壓規(guī)律;圍巖控制;支架穩(wěn)定性中圖分類(lèi)號(hào):TD823.46文獻(xiàn)標(biāo)志碼:B網(wǎng)絡(luò)出版時(shí)間:2013—11—2113:19網(wǎng)絡(luò)出版地址:http://www.cnki.net/
3、kcms/detaiL/50.1062.TD.20131121.1319.017.htmlTestStudyonRoofMovementRegularityandFullMechanizedMiningofCoalSeams、thLargeDipAngleinDongbaoweiMineY/Ticheng,ZHENGShuquan,WANGShexin,BIKeren,ZHOUMaigang(DongbaoweiCoalMineofShuangyashanBranch,HeilongfiangLongmayMiningHoldingGr
4、oupCo.,Ltd.,Shuangyashan155133,China)Abstract:Inthispaper,analysiswasmadeonthetechnicalproblemsinfullymechanizedminingofcoalseamswithlargedipangle(35。~55。)inDongbaoweiCoalMine,three—dimensionalsimilarmaterialsimulationwascarriedoutonthedeformationandmovementregularityofo
5、verburdenstrataofcoalscanswithlargedipangle,F(xiàn)LACnumericalsimulationwasmadeonthestressdistributionregularityofoverburdenstrataandstudywasconductedonthesupportstability,alloftheseresultsprovidedbasisforthesurroundingrockcontrolofcoalseamswithlargedipangle.Inaddition,thetyp
6、eoffullymechanizedminingequipmentandthekeytechnicalmeasuresforcontrollingthestabilityofthefullymechanizedminingequipmentweredeterminedaccordingtothesiteconditions.Theindustrialtestresultsoffullymechanizedminingofcoalseamswithlargedipangleandthestratapressuremonitoringres
7、ultsshowedthatitseconomicandtechnicaleffectisgoodandithasbeenwidelyspreadandappliedincoalminesinHeilongjiangI~ngmayMiningHoldingGroupCo.,Ltd.Keywords:coalseamswithlargedipangle;fullymechanizedmining;regularityofundergroundpressure;surroundingrockcontrol;suppo~stability東保
8、衛(wèi)煤礦是雙鴨山礦業(yè)集團(tuán)的主力煤礦之的成果,但試驗(yàn)結(jié)束之后,沒(méi)有一家能夠投入正式生一產(chǎn),而大傾角煤層綜合機(jī)械化開(kāi)采是高效生產(chǎn)的最,礦井核定生產(chǎn)能力為120萬(wàn)t/a,其煤層多屬于急傾斜薄及中厚煤層,可采儲(chǔ)量共9