燃煤烟气成分计算

序号名称符号计算公式或依据单位数量(100MW)一烟气参数计算1机组计算耗煤量Bjt/h102 煤质资料收到基水分W%7.1收到基灰分A%30.4收到基硫分S%0.55收到基氢分H%3.57收到基碳分C%49.5收到基氮分N%0.83收到基氧分O%8.05合计%1003 烟气量计算理论空气量V00.0889*(C+0.375*S)+0.265*H-0.0333ONm3/kg5.10烟气容积二氧化碳VCO2 1.866*C/100Nm3/kg0.92二氧化硫VSO2 1.866*0.375S/100Nm3/kg0.004水蒸气VH2O 11.1*H/100+1.24*W/100+0.0161*V0Nm3/kg0.57氮气VN20.79*V0+0.8*N/100Nm3/kg4.03理论干烟气容积Vy lgVSO2+VCO2+VN2Nm3/kg4.96理论烟气容积Vyl VSO2+VCO2+VH2O+VN2Nm3/kg5.53已知烟气中含氧量烟气中含氧量%5空气系数α1.304实际烟气容积Vyr Vyl+(α －1)*V 0+0.0161*(α-1)*V0Nm3/kg7.10实际干烟气容积VyrgVy r-VH2ONm3/kg6.51排烟量(标态,湿态）Qy Bj*VyrNm3/s19.73排烟量(标态，干态）Qp Bj*VyrgNm3/s18.094 湿烟气成分所占份额二氧化碳η CO2VCO2/Vyr%13.01二氧化硫η SO2VSO2/Vyr%0.05水蒸气η H2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.33氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%74.03氧气η O2 0.21*(α -1)*V0/Vyr%4.58总计100干烟气成分所占份额二氧化碳η CO2VCO2/Vyr%14.19二氧化硫η SO2VSO2/Vyr%0.06氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%80.75氧气η O2 0.21*(α -1)*V0/Vyr%5总计100烟气中SO2浓度(6%氧）η 0SO2VSO2/V0gyppm591.10烟气中SO2浓度(6%氧）η 0SO2VSO2/V0gymg/Nm31688.87已知烟气量实际烟气量Vs湿基，实际含氧量Nm3/s37.46实际干烟气量Vsg干基，实际含氧量Nm3/s34.24实际烟气容积VyrNm3/kg6.82实际干烟气容积VyrgNm3/kg12.32水蒸气VH2ONm3/kg-5.50烟气过量空气系数α01.25水蒸气VH2ONm3/kg0.59烟气容积校核实际烟气容积VyrNm3/kg6.82实际干烟气容积VyrgNm3/kg6.23湿烟气成分所占份额二氧化碳η CO2VCO2/Vyr%13.54二氧化硫η SO2VSO2/Vyr%0.06水蒸气η H2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.60氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%73.88氧气η O2 0.21*(α -1)*V0/Vyr%3.92总计100干烟气成分所占份额二氧化碳η CO2VCO2/Vyr%7.49二氧化硫η SO2VSO2/Vyr%0.031氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%40.89氧气η O2 0.21*(α -1)*V0/Vyr%2.17总计50.58869653已知过剩空气系数空气系数α1.250实际烟气容积Vyr Vyl+(α －1)*V 0+0.0161*(α-1)*V0Nm3/kg6.82实际干烟气容积VyrgVy r-VH2ONm3/kg6.23排烟量(标态,湿态）Qy Bj*VyrNm3/s18.95排烟量(标态，干态）Qp Bj*VyrgNm3/s17.324 湿烟气成分所占份额二氧化碳η CO2VCO2/Vyr%13.54二氧化硫η SO2VSO2/Vyr%0.056水蒸气η H2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.60氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%73.88氧气η O2 0.21*(α -1)*V0/Vyr%3.92总计100干烟气成分所占份额二氧化碳η CO2VCO2/Vyr%14.81二氧化硫η SO2VSO2/Vyr%0.062氮气η N2 (VN2+(α-1)*V0*0.79)/Vyr%80.83氧气η O2 0.21*(α -1)*V0/Vyr%4.29总计100干烟气71022.28995Nm3/h65109.00925Nm3/h1688.870951589.031722