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ID:36782027
大小:3.08 MB
页数:100页
时间:2019-05-15
《铁矿资源开发利用评价技术数学模型》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中南大学博士学位论文铁矿资源开发利用评价技术数学模型姓名:石云良申请学位级别:博士专业:矿物加工工程指导教师:邱冠周20050601ABSTRACTTheannualconsumptionofvariousmineralsUSedinnationwideindustriesinChinaisover5billionstons,and90percentageofenergyand80percentageofrawmaterialsneededoriginatefromtheseminerals.Whilethedevelopmen
2、tofthenationaleconomycontinues,unfortunately,theresourceswithvaluableelementsaregettingdepleted.andtheportionofdi伍cult.tO—treatedresourcesiSgrowing.andtheoverallrecoveryoftheresourcesinChinais10WuDto20%inthecomparisonwiththedevelopedcountries.Furthermore,thestockpile
3、dtailingsafterthetreatmentoccupythefarmlandandpollutethesurroundings.Thus,inordertofullydeveloptheactiveeriectsofmineralresourcesonindustrialfeed,nationaleconomy,environmentandsociety,itisnecessarytobuildourscientificsystemforevaluathagnlirleralresourcesutilizationac
4、cordingtotheprinciplesofhighefficiency,lowenergyconsumptionandnon—pollutionandwiththeaidofthelatestinformationtechnology.Thepresentsituationoftheutilizationofironoresanditsevaluationsystemsisanalyzedandsunmaarized.Therelateddataandpapersareextensivelycollectedbyretri
5、evingpapers,enquiringrelevantexpertsandvisitingtheplants.OnthebasisoftherelatedindustrialproductiondataoffourkeyironandsteelCo.(PanzhihuaIronandSteelCo.,BaotouIronandSteelCo.,JiuquanIronandSteelCo.andAnshanIronandSteelCo.1,anumberofmodels,suchasironrecoveryversustheg
6、radeofironconcentrate.consumptionofironconcentratesversusthegradeofironconcentrate,sinterproductversusthegradeofironconcentrate,consumptionoffluxversusthegradeofironconcentrateandtheutilizationtoefficientoffumaceversusthegradeofironconcentrate.areestablishedwiththehe
7、lpofsoftwareMatlab.Aftertheeffectsofthegradeofironconcentratesonthesub—processesofbeneficiation,sinterandiron-making(namedoverallprocess)aresystematicallyanalyzed,itisessentialthattheoptimizationofthegradeofironconcentratesforoverallprocess(includingthethreesub-proce
8、sses)meetthefollowingsixobjectives:profitsobtainedandtheconsumptionsofironores,flux,coke,electricityandcoal。Anewmethodnamed‘costmet
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