2025/6/2112.2Fuelanalysisandfuelcharacteristics
§2-2燃料的成分及性质1.MethodsofFuelanalysis燃料的成分分析方法为什么要进行燃料分析?Whydofuelanalysis?Combustioncalculation燃烧计算Thermalcalculation热力计算Others其他Proximateanalysis工业分析Ultimateanalysis元素分析
2025/6/2122.2Fuelanalysisandfuelcharacteristics
§2-2燃料的成分及性质1.Fuelanalysismethods燃料的成分分析方法A.Ultimateanalysis元素分析(ASTMD3176)Measurementsofcarbon,hydrogen,nitrogen,sulfurcontent,andthecalculationofoxygencontentinafuel. 测定燃料中所含各种元素的百分比:Carbon碳Hydrogen氢Oxygen氧Nitrogen氮Sulfur硫Moisture水分:inherentandsurfacemoistureincoal.Ash(mineral-matter)灰分ASTM:AmericanSocietyforTestingandMaterials
2025/6/2132.2Fuelanalysisandfuelcharacteristics
§2-2燃料的成分及性质B.Proximateanalysis工业分析(ASTMD3172)(GB212-91)Thedeterminationofmoisture,volatilematter,fixedcarbon,andashinafuel. 测定燃料中所含水分、灰分、挥发分、固定碳等的百分比。Moisture水分Ash灰分Volatilematter挥发分Fixedcarbon固定碳Testingmethod测试方法:Coalheatedandlosemoisture把煤样加热,先失去水分;Heatedwithoutoxygen,releasingvolatiles然后隔绝空气继续加热,再失去的是挥发分;Theresiduesarecoke剩下的是焦碳(固定碳和灰分之和)Cokecombusted:thereleasingfractionisfixedcarbon,theremainingportionisash.把焦碳燃烧,失去的是固定碳,余下的是灰分。Twoindicatorsofcoalrank
2025/6/2142.2Fuelanalysisandfuelcharacteristics
§2-2燃料的成分及性质2.Fuelcompositionanditscharacteristics元素成分和性质Carbon碳Hydrogen氢Oxygen氧Nitrogen氮Sulfur硫Moisture水分Ash(mineral-matter)灰分Inwhich:Combustibleconstituentsoffuels可燃成分:C、H、SHarmfulcomponentsoffuels有害成分:N、S
2025/6/2152.2Fuelanalysisandfuelcharacteristics
§2-2燃料的成分及性质2.Fuelcompositionanditscharacteristics元素成分和性质Carbon:Aprimarycombustiblecomponent,accountedfor50~95%,thereleasingheatofcompletecombustionis32700kJ/kg;ignitionpointofpurecarbonishigh,slowcombustion.Carboninafuelistheformofcompounds.Themorecarboninafuel,themoredifficultignitionandcombustion. 碳:主要的可燃成份,约占50~95%,完全燃烧放出热量32700kJ/kg;纯碳燃点高,燃烧缓慢;燃料中