新型无机发泡材料在高冒区充填中的应用陈兵

DOI10．13347/j．cnki．mkaq．2016．03．0351211．4540032．454003、、。、、、“”、。TD327．2A1003－496X201603－0124－04ApplicationofNewInorganicFoamMaterialinTop－coalCavingＲegionFillingCHENBing1ZHANGYaohui2YUANYin11．SchoolofEnergyandEngineeringHenanPolytechnicUniversityJiaozuo454003China2．HenanCollegeofIndustryandInformationTechnologyJiaozuo454003ChinaAbstractInordertosolvetheproblemscausedbytop－coalcavingregionofroadwayatfullymechanizedcavingminingareabasedontheanalysisofthecauseofthetop－coalcavingregionthedamagecausedbythetop－coalcavingandtheshortageofthetradition-alsupportwedevelopinorganicfoamfillingmaterialusescrewpumptopulpandpumpslurrytofilltop－coalcavingregion．Theresultsshowthatthedoubleliquidinorganicfoamingmaterialhasthepropertiesofquicksettinglightweightcrackresistanceandcompleteflameretardantwhichissuitableforfillingmaterialintop－coalcavingregiontheenclosedstructureofscrewpumppre-ventsairbubblesescapingandovercomesthedefectsofbuckettypeopensuctionpulpslurrybubbleseriousseparationtheresultsoftheindustrialtestshowthatthefillingbodyiscloselyrelatedtothecoalrockmassandthefillingeffectisremarkable．Keywordsdoubleliquidinorganicfoammaterialtop－coalcavingregionfillingscrewpumpfillingmaterialflameretardant512740881－2。。3、4、5、6。、。7、8。。、、。143113#6．3m3°3．0m。3．3m。2．45m。10m11．45m。。3．2m、5．0m。。431132～3m3～5m1～3m。431143113。·421·47320163SafetyinCoalMinesVol．47No．3Mar．2016。1。122．111～2h。2。3。2．2。。。。、9。10。2．3A、B2。A、B、、、、、。1．5∶1。、31。2。1ABC/min/min/g·cm－32h/MPa110．1%10．8%11．6%3．00231．141．56220．3%20．4%21．8%2．17210．831．28330．5%30．2%32．0%1．83170．900．95410．1%20．4%32．0%1．50381．140．94520．3%30．2%11．6%3．67220．941．12630．5%10．8%21．8%2．50240．801．32710．1%30．2%21．8%1．50170．931．02820．3%10．8%32．0%1．33180．881．22930．5%20．4%11．6%3．33230．850．942∑K1∑K2∑K3K1K2K3ＲA6．006．8310．002．002．273．331．33/minB7．177．006．172．392．332．060．33C7．667．004．663．552．331．552．00A78656826．021．622．74．4/minB61826620．327．322．05．3C64567321．318．724．35．6A3．212．652．551．070．880．850．22/g·cm－3B2．822．922．770．940．970．920．05C2．902．562．920．970．850．970．12A3．523．623．211．171．211．070．142h/MPaB4．103．163．091．371．051．030．34C3．623．623．111．211．211．040．172．41Ｒ。、。C＞A＞BC＞B＞AA＞C＞BB＞C＞A。、、。A2B1C1。、、1．6%、0．8%、0．3%。26h、·521·47320163SafetyinCoalMinesVol．47No．3Mar．2016。2～4min18～23min1．5MPa1MPa0．83～0．94g/cm3。32h1．2MPa80%。33．1、。、、、。、。3．21SKP15－1/1860、250mm×250mm2。211#1m“”。3。23．31。2A、BDN32。33。2。3～5m。3。1．0MPa。4。3。35。。。3．41。①、②、。2。。3。①1．0MPa②1．5∶1．0③1．0MPa④、1．5∶1．0⑤4⑥。44。①②。·621·47320163SafetyinCoalMinesVol．47No．3Mar．20164、、。5。5。。。51、、1．6%、0．8%、0．3%。2～4min18～23min0．83～0．94g/cm32h1．2MPa1MPa。、、。2、、、。、、。3。。1．J．2008375590－594．2．J．20124096．3．J．2002626－2737．4．J．200230615－16．5．J．200431116－117．6．J．1998248．7．、J．2009171－72．8．J．200128333－35．9．J．2011303331－335．10．J．200131135－37．1988－。2015－07－02·721·47320163SafetyinCoalMinesVol．47No．3Mar．2016