optimization and reformation of inyang Coal preparatplant flotation system分析和总结分析和总结.docx

OptimizationandreformationofXinyangCoalPreparatplantflotationsystem

Abstract

Inthispaper,ProblemsinCoalhandlingsystem andPracticeofXinyang CoalpreparatplantisTestingandAnalysisDetailedly,andhaveputforwardSolutionsforProblemsinCoalhandlingsystem.thebestproductionprogramofXinyangCoalpreparatplantwas choosedByProgramcomparing.Aftertheimplementationoftheprogram,theannualcleanCoalproductioncanbeincreasedby162,400tons,economicbenefitsissignificant.

Keywords:CoalSlime;Flotation;Program;Reformation

Introduction

DesignedcapacityofXinyangCoalpreparatplantis6MT/a,itwillbeachievedin2projects,designedcapacityof thefirstprojectis4MT/a,pre-deslimingseparationinheavy-medium、separationofcoarsecoalandflotationareusedtogether.XinyangCoalpreparatplantisamineCoalpreparatplant,coalwasminedfromGaoyangandBaibiguan.ShanxiFormation(oncoal)seamNo.1,2,3andTaiyuangroup(undercoal)seamNo.9,10,11areminedmainlyin Gaoyang.Oncoalishigh-ashandlow-sulfurcoal,sulfurofitis0.6%,ashofitis40%.However,undercoalishigh-sulfurandlow-ashcoal,sulfurofitis2.5%,ashofitis28%.

Asaresultoftheextentofcoalminingmechanizationincreased,theslimecontentofcoalincreases,theproportionofflotationincreases.Soflotationarebeingattentionedmoreandmore,showsaboomingtrend,andshowsinthefollowingmainaspects : (1) Simple process、efficientbecome a modern design trend of coalpreparation,directflotationprocessisbeingattentionedmoreandmore,andtoachievedirectflotation,theflotationmachinewithappropriatecapacitymustbeselected. Flotatorwithlarge-scaleprocessingcapacityisamoderntrendofcoalpreparation【1】.(2)Theresearchofdensemediumcycloneisdeepening,theminimumsizeofflotationcoalisdecreasing,flotationcoalsizeisgettingsmallerandsmaller,itrequirestheflotationequipmenttostr