Energy conservation and environment protection technologies of the blast furnace under resources deterioration conditions-中国期刊网

摘要 In2009,thepigironoutputofChinaincreaseddramaticallyupto543.75Mtandwas15.87%higherthanthatin2008,accountingfor60.53%oftheworldproduction.Theprocessingofpigironmustconsumehugeamountofironoresandcoalandconsequentlyleadstotheshortageoforesandcokemakingcoalssupply,withpricessoaringbutqualityworseningremarkably.HowtomaintainorevenimprovetheefficiencyofblastfurnaceproductionundernegativeconditionsofconstantlyworseningresourcesofironoreandcoalhasbecomeanimportantscenariotheChineseironmakingindustrymustface.Inthispaper,theproductionwithhighcoalinjectionrate,lowfuelrateandbigproductivityintheWuhanIronandSteelCorporation（Group）wasintroducedandrevealed.Thequantitativecorrelationbetweenblastfurnaceproductionefficiencyanddiversetechnicalmeasuresthroughcombinedmass-heatbalancesandgas-liquidcounter-currentflowdynamicsanalysis.Moreover,potentialproblemsandcountermeasuresinironmakingbyfeedinghighAl2O3andlowgradeironoreswerealsodiscussed.

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Energy conservation and environment protection technologies of the blast furnace under resources deterioration conditions

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Energy conservation and environment protection technologies of the blast furnace under resources deterioration conditions

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