2025/6/2113.1Fuelcombustioncalculation
§3-1燃料的燃烧计算Basicassumption基本假设：Airandfluegasareidealgases,andthevolumeofanidealgasdirectlyproportionaltoitsabsolutetemperatureandinverselyproportionaltoitsabsolutepressure.Thevolumeofonekmolofanidealgasis22.4Nm3atstandardcondition(0oC,1atm). 空气、烟气均为理想气体，每kmol体积等于22.4Nm3；Onlyoxygenandnitrogeninair,andthevolumeratioofoxygentonitrogenis21:79. 空气中只有O2和N2成分，其容积比为：21:79.Fuelcombustioncalculationisundertheconditionofcompletecombustion. 每kg燃料都是在完全燃烧的条件下计算。
2025/6/2123.1Fuelcombustioncalculation
§3-1燃料的燃烧计算1.Theoreticalairrequirement理论空气量计算Theoreticalairistheminimumairrequiredforcompletecombustionoffuel,i.e.theoxidationofcarbontoCO2,Hydrogentowatervapor(H2O),andsulfurtosulfurdioxide.Condition:completecombustionandnoexcessoxygen. 燃料完全燃烧且无余氧。Calculationprinciple:thesupplyingO2isthetotaloxygenoffuelcompletecombustionsubtractingtheoxygenboundinfuel,andthecalculatingthetheoreticalairrequirement. 计算的基本原理：燃料完全燃烧需要的总氧量减去燃料自身所含氧量为外界供氧量，然后折算出理论空气量。Solidliquidfuels固体及液体燃料完全燃烧需要的理论空气量计算Gaseousfuels气体燃料完全燃烧需要的理论空气量计算
2025/6/2133.1Fuelcombustioncalculation
§3-1燃料的燃烧计算1.Theoreticalairrequirement理论空气量的计算C+O2＝CO2S+O2＝SO22H2+O2=2H2O1kmol12kg22.422.432kg22.422.42X2.016kg22.42X22.4C,S,H:2.01611.222.41kgC,S,H1kg22.4/121kg22.4/321kg22.4/4.032Nm3/kg1.8661.8660.70.75.5511.11kgfuel1.866Car/1000.7Sar/1005.55Har/100消耗的O2
2025/6/2143.1Fuelcombustioncalculation
§3-1燃料的