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LG植物胶无固相冲洗液在富煤二矿906号孔的应用.docx

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LG植物胶无固相冲洗液在富煤二矿906号孔的应用 Abstract Asanewtypeofnon-solidphaseflushingliquid,LGplantgluehasbeensuccessfullyappliedinthe906holeofFumeicoalmine,providinganinnovativesolutiontotheproblemofdifficultwashingofsolidparticlesinminingprocess.Theliquidhasagoodeffectinreducingthesolidcontentofthecoalslurry,improvingthecoalquality,reducingthedamagetotheenvironmentcausedbythetailingsdischarge,andreducingthecostoftheoperation.Thispaperwillintroducethecomposition,principle,applicationandeffectofLGplantglueinFumeicoalmine,andsummarizeitsadvantagesanddisadvantages. Introduction Solid-liquidseparationisanimportantprocessinminingindustry.Traditionalsolid-liquidseparationmethodgenerallyusessolidphasetocarryoutfilteringseparation,butitoftenfacestheproblemofdifficultwashingandcleaning.Withthedevelopmentofchemicalindustry,non-solidphaseflushingliquidhasbecomeanewresearchdirection,itsoutstandingcharacteristicsare:itcanbeusedforcontinuousoperation,noneedtostopforcleaningandreplacing,nowasteofmaterialandenergy,anditcanadapttovarioussolid-liquidseparationprocesses,especiallyformineralsflotation. Recently,LGplantgluehasbeendevelopedinChinaasanewtypeofnon-solidphaseflushingliquid.Comparedwithothernon-solidphaseflushingliquids,LGplantgluehastheadvantagesofgoodwatersolubility,highsedimentationspeed,strongadsorptioncapacityandlowtoxicity.Therefore,ithasgreatpotentialintheapplicationofcoalwashingandbeneficiation.ThispaperwillfocusontheapplicationofLGplantgluein906holeofFumeicoalmine. CompositionandPrincipleofLGPlantGlue LGplantglueismainlycomposedofplantgum,surfactant,dispersant,chelatingagentandotherauxiliaries.Plantgumisthemaincomponent,mainlyfromnaturalplantextractssuchasseaweeds,gumsandstarches.Surfactantcanchangethewettabilityoforesurface,promotethecontactandadhesionbetweenoreparticlesandbubbles,andfacilitatetheflotationprocess.Dispersantcanimprovethemobilityofpulp,preventtheagglomerationandsedimentationoffineparticlesinore,andenhancetheflotationefficiency.Chelatingagentcanformstablecomplexwithm