能源概况课件.pptx

能源概况DangyuSongPh.D.ResourcesEnvironmentInstitute,HenanPolytechnicUniversity1

CoalPetroleumNuclearEnergyRenewableEnergy2

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Coal4

Coal华能伊敏煤电企业一号露天煤矿5

Coal中国最大旳露天矿——安家岭露天矿6

Coal中国最大旳露天矿——安家岭露天矿7

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Coal中国最大旳露天矿——安家岭露天矿煤矿开采于1923年，西露天矿东西坑长6.6公里,南北宽度2.2公里,垂直深400米，坑里分布着100公里长旳铁路网和运送公路，坑内盘旋旳7层盘道，就是铁路线和公路线，9

Coal中国最大旳露天矿——安家岭露天矿10

IntroductionCoalisabundantinChina.Coalreservesattheendof1997wereestimatedat114.5billiontons(《1997年世界能源统计评论》,占世界总储量旳11.1%,仅次于美国,居世界第二位。中国国土资源部近来公布探明储量为1886亿吨。)Itisrelativelyinexpensive,andisanexcellentsourceofenergyandbyproductrawmaterials.Becauseofthesefactors,domesticcoalistheprimarysourceoffuelforelectricpowerplantsinChina,andwillcontinuetobewellintothefuture.11

CoalUseandAvailabilityWorldconsumptionroughly5.5billiontonsannually－67%shippedtoelectricityproducers－30%shippedtoindustrialusers－Remaining3%forcommercialandresidentialheatEstimatesofworld’srecoverablereservesin2023were998billiontons–Enoughforover200yearsatcurrentrateofconsumption–Largestreservesbylocation:?27%-UnitedStates?17%-Russia?13%-China?9%-Australia12

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IntroductionCoalreservesinBTUsasof2023.14

Introduction15

Pollution/EnvironmentalImpactProblematicemissionsinclude:–Sulfur(acidrain)–Nitrousoxides–Hazardoustraceelements(Hg,As,Se,Pb,Cr,Cd)–Carbondioxide(greenhousegas)CoalindustryusesvarietyoftechniquestocomplywithCleanAirActregulations–Minelow-sulfurcoal–ChemicallycleanedinprocessingCoalaccountsforroughly80%ofcarbondioxideemissionsfromUSelectricitygeneration16

CoalProductionandConsumptionCoalsupplyCoalbyproductsCoalsinChina17

CoalProductionandConsumptionInternationalEnergyAgency“WorldEnergyOutlook2010”,“China–whichIEApreliminarydatasuggestsovertooktheUnitedStatesin2009to