温馨提示：本站仅提供公开网络链接索引服务，不存储、不篡改任何第三方内容，所有内容版权归原作者所有
AI智能索引来源：http://www.eb.com/technology/coal-mining
点击访问原文链接

Coal mining | Definition, History, Types, & Facts | Britannica

进入原网站 导航首页
SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideoscoal miningIntroductionHistoryAncient use of outcropping coalDevelopments in mine entryShaftsHoistingVentilationFrom manual to mechanized extractionConventional miningDevelopment of continuous miningOrigins of longwall miningRoof supportHaulageManual labour to electric powerMechanized loadingConveyorsPreparationCoal depositsFormationCoalificationMajor coal erasRank and gradeResources and reservesDistribution worldwideEconomic factorsProspecting and explorationMappingDrillingSpatial patternsCore drilling and rotary drillingDozer cuttingGeophysical explorationChoosing a mining methodSurface miningMining methodsContour strip miningArea strip miningOpen-pit miningAuger miningEquipmentDozers and scrapersDrilling and blastingShovels and trucksDraglinesWheel excavatorsCoal removalReclamation equipmentUnderground miningMining methodsRoom-and-pillar miningLongwall miningShortwall miningThick-seam miningAuxiliary and unit operationsAccessGround control and roof supportHaulageVentilationMonitoring and controlHealth, safety, and environmentCoal preparationLevels of cleaningPreparation stepsCharacterizationLiberationSeparationDispositionCoal transportationRailroadsOn-highway trucksBargesConveyorsSlurry pipelinesElectric wireShipsReferences & Edit HistoryRelated TopicsImages & Videoscoal mining summaryWhat is limestone made of?TechnologyIndustryFacebookXhttps://www.britannica.com/technology/coal-miningBBC - Coal mining created community and culture. Can clean energy do the same?Raja Venkat Ramani Professor and Head, Department of Mineral Engineering, Pennsylvania State University, University Park. Coauthor of Development of a Procedure for Land Use Potential Evaluation for Surface-mined Land.AllBritannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....Historycoal minecoalEarthMongolia: coal mineabundantfossil fuelIndustrial Revolutionpetroleumnatural gasBronze AgeBritainHopiUnited StatesMarco PolowidespreadChinaDomesday BookEnglandLondon’ssea coalundergroundshaftshaftdrainageThomas Newcomen’sreciprocatingindustryVentilationefficiencyfurnaceDavy safety lampSUBSCRIBE Rotary ventilating fanssteelelectric powerwedgedcompressed aircutting toolcross sectionSee all videos for this articleconventionalblastingroom-and-pillar mininglongwallcontinuousconveyorLow Countriesshearerborerock boltingHaulageChildren hauling coal up the slope of an English mine; from an engraving of the 1840s.SteamRichard TrevithickWest VirginiaprototypeConveyorsanthraciteadaptationAugust ThyssenAmelia zur Helle ThyssenJ. Keir HardieAnthony Ashley Cooper, 7th earl of ShaftesburyHugo Stinnesroom-and-pillar miningself-contained self-rescuershortwall methodthick-seam mininglongwall methodSee all related contentsulfur dioxideM. Albert EvansRaja Venkat Ramani

智能索引记录