- 1、relatingtoorresemblinganthracitecoal.2、Thecombustioncharacteristicsofstonecoalaresimilartoanthracitecoalandworsethananthracite.3、Reaserchongasificationofanthracitecoalcatalyzedbymoltensalts4、Wastefromanthracitecoalmines,consistingoffinecoal,coa...
- 9139
- Thenhiscoal-blackeyesbecamesly."Thisplacewashell,"saysTomLevycheerfullyashestandsoveranopenpitfilledwithancientcoal-blackslag.Theworld'snewestcarboncitadelrisesupbetweentheblasteddesertsofInnerMongoliaandthecoal-blacklandsofShaanxiprovince.Hardlyw...
- 25158
- Figuredthatway,theclimateeffectofmethanefromnaturalgaswouldquicklyoutpacetheclimateeffectofcarbondioxidefromburningcoal.Theburningcoalsstartedtoflameyellowandorange.InmanyCatholiccountries,theclergybelievedthatthecorruptedsoulofadamnedpersoncouldbecl...
- 31594
- Regardingtheextremelythincoalbedcoalandthegasprominentpossibilityanalysis,informerlypracticedwasablank,thereforeintheproductionprocessknewandtookthedegreetobeinsufficient.Thetopbeamaccordingtotheutilitymodelispropitioustotheincreaseofoperationspacefo...
- 25922
- 1、Explorationevaluationcoalseamgasisabaseofcoalseamgasexplorationanddeveloping.2、CoalseamcorrelationandcharactersofcoalseamineasterndepressionofLiaohebasin3、coalseamwaterinjection4、thicknessofcoalseam5、Astudyonthefeasibilityofhighseamminingin#3t...
- 23077
- 1、ThepulverizedcoalinjectionintoblastfurnacebeganearlyinChina,whichplayedaleadingroleinthedevelopmentofcoalinjectiontechnology.2、Coalinjectionofblastfurnaceisanenergy-saveandconsumption-reductionprojectandasetofreliableautomaticcontrolsystemhasanim...
- 19154
- Toguideandadministerqualificationcertificationofcoalminedirectors.Findingafossilinacoalmineisnobigdeal.InEssen,adepletedcoalminehasbeenconvertedintoamuseumandperforming-artscenter.Despiteincreasingmechanization,lifeinthecold,dank,darkinteriorsofacoal...
- 5042
- 1、Thechainguideframeofcoalcuttingmachineisproducedwithmetabainitedcaststeel.2、Tomakeshaftcoalcuttingplanningisamultinodaldecisionmakingcourseforit'sintricacyofinfluencingfactor.3、Themethodofcoalcuttingadoptsdeep-holeblastingandrealizesnopeopleint...
- 4733
- Withtherawmaterialofgascoalandweaklycakingcoal-char,asetofformedcokeswerepreparedbychangingthesizeofgascoalandweaklycakingcoal-char.CoalranksintheYuanyanghumineareaaremainlynon-cakingcoal,longflamecoalthesecond,allgoodcoalsforcoalchemicalindustryandp...
- 4449
- 1、Itdemonstratesthatitiseconomicallyandtechnicallyfeasibletoapplywasherycoaltolurgipressurizedgasifier.2、ThisarticlegivesabriefintroductionontheoperationofLurgipressurizedgasifierusingWangzhuangwasherycoal....
- 32192
- However,yearsofacoallogisticsconstraintsimpededtheeconomicdevelopmentofShanxicoalresources.Itisreported,inmuchofChina'selectricitycoallogisticscostsreachedelectricitycoalconsumptionmorethanhalfthepriceofthedownstream,electricpowerenterpriseisoverwhe...
- 8126
- hardcoal;anthraciteanthracite;hardcoalFinallygreatdepthofburial,longtimeandhighertemperaturemaymetamorphosetheligniteintosoftcoalorbituminouscoalandinextremecases,tohardcoaloranthracite.Thefirstcavingroofsectionsinhardcoallayerscaneffectivelyreduceth...
- 21793
- 1、thicknessofcoalseam2、Thecoalandgasoutburstbecamemoreandmoredangerousalongwiththethicknessofcoalseamchangingandincreasing.3、thick-layerapttooxidationtypecharacterizedbylargethicknessofcoalseamandlowmetamorphicdegree,andtransitiontype.4、Combining...
- 25205
- 1、Analysisofreturnairwaycornerabnormalhydrogenconcentrationin#12612coalfaceinDaliutaCoalMineandcontrolmeasuresapplied2、Thewiderthecoalface,thesmallertheradianvalue,yieldinganapproximatehorizontalline;3、Designfordrawingoutgaswithhighpositionboringa...
- 21341
- Basedontheacademicthoughtthat"coalstructuredecidesthenatureofcoal",whichisfromthemicrostructureofcoaltostudythegasadsorption,emissioncharacteristics.WangXianzheng,demandedthattheentirecoalsectormustfurtherintensifyeffortstoadjustthecoalstructure,sp...
- 19183
- Fenmeihuifromdrift-Chu,iron,powderedcoalinthecomprehensivedevelopmentandutilization.Shell′scoalgasificationprocessisadryprocessthatusesnitrogengastotransportpowderedcoaltotheburners.Othermaterialsusedasfuelincludefueloil,powderedcoal,naturalgas,ands...
- 9469
- gas-pulverizedcoalfiredboilerComparesthefeaturesofhouseholdheatingbygasfiredboilersandcoalfiredcentralheatinginapplicabilityandeconomics.StudyonflowfieldcharacteristicsofanewburnerofindustrialpulverizedcoalfiredboilerFluegasdesulfurizationtechnologyo...
- 27030
- 1、TherearethreecoalminesinXin'anCoalfield.TheShanxigroupirregular(2-1)coalseamhassoftroof,softcoalandsoftfloor.2、Thispaperputsforwardsupportplanthroughanalyzingstratabehaviorregularityofcoalroadwayinseamwithsoftroof,softcoalandsoftfloor.3、Integra...
- 28124
- 1、rateofcoalconsumption2、oil-treatmentofcoal3、thicknessofcoalseam4、Determinationofcarboxyreactivityofcoal5、Sizeofcoalpulverizerinlet.6、historyofcoalchemicalprocessing7、aninexhaustiblesupplyofcoal.8、overallthicknessofcoalbed9、Friendsofcoal,ac...
- 30889
- overallthicknessofcoalbedBuildingcoalbedgeologicalmodelbySURFERFittingvarigramofcoalbedevaluationwithGEO-EASsoftwareTherelationshipbetweenthepermeabilityofcoalbedandproductioncurveaboutcoal-bedmethaneverticalwellsComparisonofcoalgasificationmethodsam...
- 21543
- Minershewcoal.Theregionaboundsincoal.Therefore,thecoalhopperinthefirstsenttothemillwithrawcoalintoapulverizedcoal.Weleadinthecoalproduction.Thetreasuresarenotcopperorcoal.Somecoal-mineshadtoshutdown.Theywereshovelingcoalintoacart.Thepoormanisacoaldig...
- 13540
- 1、Theresultshowsthattheviscosityisgreatlyincreasedwhilethesolidcoalpowderdistributedintheinsideofslagandresultinpoorseparationofmoltenironandslag.2、Theresearchhasaveryimportanteconomicsignificanceforreformationofthedrysystemofminutetitaniumparticle...
- 12988
- Environmentaldisastersareprimarypollutionsourceinthecoalminearea.AutomationupgradingschemeanditsimplementationatShendongcoalminearea;WithYanzhongcoalmineareaasanexample,thispaperstudiesthesituationsofland-usingtypesandagricultureirrigationsysteminthe...
- 5331
- MeasurestoburnfaultycoalinprecalcinerkilnsystematthehighelevationareaBurningfaultycoalistriedoutinafixed-bedgasifier,tosolvetheproblemsofhighcoalpriceandproductioncost....
- 30706