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《矿井通风与灾害防治规范题库（standard item bank of mine ventilation and disaster prevention）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、矿井通风与灾害防治规范题库（Standarditembankofmineventilationanddisasterprevention）ItemBankofmineventilationanddisasterprevention1."Regulations"stipulates:accordingtothenumberofpeopleworkingatthesametimetocalculatethemaximumnumberofairsupplyperpersonshallnotbelessthan4m3.Theventi
2、lationmodeof2.twelvemineismixedextractiontype.Threeoftheexistingventilationsystem.3.throughtheairdoor,toclosegood,donotopenthetwodoorsatthesametime,soasnottodisturbtheflow.4.throughscientificexperiments,themaximumgasconcentrationofundergroundgasexplosionis9.5%.5.kin
3、dsofselfrescueraccordingtoitsstructureandprincipleofaction,dividedintotwotypesoffilteringandisolation.6.oncetheselfrescueropenstheshell,itcanonlybeusedwithoutinterruption,anddiscarded.Itisstrictlyforbiddentoreuseit.7.theoccurrencestateofgasmainlyhasfreestateandadsor
4、ptionstate.8.themineclimateconditionreferstotheairtemperature,humidityandwindspeedthreeresults.9."coalminesafetyregulations"stipulatesthatthedepthoftheElectromechanicalchamberisnotmorethan6meters,thewidthoftheentranceisnotlessthan1.5meters,andnogasemission,(can)theu
5、seofdiffusionventilation.10.thereareatleast2airdoorspassingthroughtheundergroundvehicle,andthedistancebetweenthe2airdoorsisgreaterthanthelengthofthevehicletobepassed.11.theminemustestablishawindmeasurementsystem,every10daystocarryoutacomprehensivewindmeasurement.12.
6、thesettingupofreversedampermustbesetupintwodangerousareas,andthespacingshallnotbelessthan4m.13.inthehighgasmine,gasemissionareaandcoalandgasoutburstmine,thelocalventilationfaninthedrivingfaceshouldimplement"threespecialpowersupply",thatis,dedicatedlines,specialswitc
7、hesandspecialtransformers.14.localgasaccumulationreferstothegasconcentrationabove0.5m3inthespaceof1%.15.gasemissionisdividedintoordinaryemissionandspecialemission.16.whentheconcentrationofgasexceeds1%,theworkmustbestopped,thepersonnelshouldbewithdrawn,andmeasuressho
8、uldbetakentodealwiththeproblem.17.miningfaceandotherplaces.Whentheconcentrationofinnerproductofgasismorethan0.5m3,whentheconcentrationofth
