不同气氛下煤粉与水泥生料混合物的热分析(英文)-豆柴文库

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不同气氛下煤粉与水泥生料混合物的热分析(英文)
Title:ThermalAnalysisofCoalPowderandCementRawMaterialMixtureUnderDifferentAtmospheres
Abstract:
Thermalanalysisplaysacrucialroleinunderstandingthebehaviorofmaterialsunderdifferentconditions.Inthispaper,weexplorethethermalanalysisofamixturecontainingcoalpowderandcementrawmaterialundervariousatmospheres.Theaimistodeterminetheeffectsofdifferentatmospheresonthepropertiesandbehaviorofthemixture.Differentialscanningcalorimetry(DSC)andthermogravimetricanalysis(TGA)techniquesareemployedtoinvestigatethethermalbehavioranddecompositionprocessesofthecoal-cementmixture.Theresultsrevealtheinfluenceofdifferentatmospheresontheheatingrate,thermalstability,andreactionkineticsofthemixture.Thefindingsfromthisstudycancontributetotheoptimizationofthecoal-cementmixtureforvariousindustrialapplications.
1.Introduction:
Coalpowderandcementrawmaterialsaretwoimportantcomponentsintheconstructionindustry.Thecombinationofthesematerialshasgainedsignificantattentionduetoitspotentialbenefits,suchasreducedcarbonemissionsandimprovedperformance.Understandingthethermalbehaviorofthecoal-cementmixtureunderdifferentatmospheresiscrucialforoptimizingitspropertiesandutilizationinvariousapplications.Thispaperpresentsacomprehensiveanalysisofthethermalbehaviorofcoalpowderandcementrawmaterialmixturesunderdifferentatmospheres.
2.ExperimentalMethodology:
2.1SamplePreparation:
Coalpowderandcementrawmaterialsaremixedindifferentproportionstocreatevariousmixtures.Themixturesarepreparedbymechanicallyblendingtheindividualcomponentsusingamortarandpestleuntilahomogenousmixtureisobtained.Themixturesarethenpackedintoaluminumcruciblesforthermalanalysis.
2.2DifferentialScanningCalorimetry(DSC):
DSCanalysisisperformedtostudythethermalbehaviorofcoal-cementmixtures.Thesamplesareheatedatacontrolledrateunderdifferentatmospheres(e.g.,air,nitrogen,andcarbondioxide).Theheatflowismeasured,andchangesinenthalpyarerecordedtodeterminethethermalstabilityandreactionkineticsofthemixtures.
2.3ThermogravimetricAnalysis(T