湿法冶金全流程建模与优化

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1、万方数据东北大学硕士学位论文AbstractModelingandOptimizationfortheOverallProcessofHydrometallurgyAbstractAsISwellknown．mineralresourcesarenotonlythebasisbutalSO也emainconstraintfactorsofeconomicandsocialdevelopment．Withthedevelopmentofindustrializationprocessandcontinuousco

2、nsumptionofmineralresources，highgradeoresofgreateconomicvaluearerapidlydecreasing，andthemetalresourceexhaustionsituationisbecomingsevere；ontheotherhand，Ourcountrycontainsalotoflowgradenon—ferrousmetalresources，therefore，itisimportanttoeffectivelyandeconomica

3、llyusethelowgradenon—ferrousmetalmineralresourcesforthesustainabledevelopmentofourcountry．Hydrometallurgycaildealwithmiscellaneousandlowgrademineral．andithaslessenvironmentalpollution，SOitiswidelyused．Althoughourcountryisnotbehindothercountriesinhydrometallu

4、rgicalprocesses，thereisabiggapbetweentheautomaticcontroltechnologyinOUrcountryandtheabroad，whichmakesitdifficultforUStousemineralresourceseffectivelywithlowenergyconsumption．Thisthesisaimstosolvesuchaproblemonthebackgroundofonegoldsmeltingfactory．Thepredicti

5、onmodeloftheoverallprocessofhydrometallurgyisestablishedandthenoptimizedbythetwo-orderoscillatingPSOalgorithm．Theoptimizationresultsshowthat，itCaneffectivelyimprovetheproductionefficiency,reducetheproductioncostandobtainthebiggesteconomicbenefits．Themaincont

6、entofthisthesisisasfollowing：(1)Afteranalyzingthetypicalprocessesofhydrometallurgy，suchasleaching，pressfiltrationwashingandreplacement，theirmechanismmodelsarebuiltaccordingtothematerialconservationandreactionkineticequations．Thenthemechanismmodeloftheoverall

7、processofhydrometallurgyisbuiltbasedonthethreemodels．(2)Basedontheresearchofoverallprocess，theoverallprocessoptimizationisstudiedwithconventionaloptimizationmethodfirstly．Theoptimizationmodelwiththegoalofeconomicbenefitwhichisbuiltbasedonthemechanismmodeloft

8、heoverallprocessissolveddirectlywithtwo—orderoscillatingPSOalgorithm．(3)Becausetheconventionaloptimizationproblemiscomplex．time—consuminganddifficulttofindtheoptimalsolution，weputforwardahierarc