电厂脱硝烟气参数计算

一烟气参数校核序号名称符号计算公式或依据单位数量(300MW)一烟气参数计算#41机组计算耗煤量Bjt/h19.462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VCO21.866*C/100Nm3/kg0.92二氧化硫VSO21.866*0.375S/100Nm3/kg0.004水蒸气VH2O11.1*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VylgVSO2+VCO2+VN2Nm3/kg4.96理论烟气容积VylVSO2+VCO2+VH2O+VN2Nm3/kg5.53已知烟气中含氧量烟气中含氧量%4.29空气系数α1.250实际烟气容积VyrVyl+(α－1)*V0+0.0161*(α-1)*V0Nm3/kg6.82实际干烟气容积VyrgVyr-VH2ONm3/kg6.23排烟量(标态,湿态）QyBj*VyrNm3/s36.87排烟量(标态，干态）QpBj*VyrgNm3/s33.704湿烟气成分所占份额二氧化碳ηCO2VCO2/Vyr%13.54二氧化硫ηSO2VSO2/Vyr%0.06水蒸气ηH2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.60氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%73.88氧气ηO20.21*(α-1)*V0/Vyr%3.92总计100干烟气成分所占份额二氧化碳ηCO2VCO2/Vyr%14.82二氧化硫ηSO2VSO2/Vyr%0.06氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%80.83氧气ηO20.21*(α-1)*V0/Vyr%4.29总计100烟气中SO2浓度(6%氧）η0SO2VSO2/V0gyppm617.34烟气中SO2浓度(6%氧）η0SO2VSO2/V0gymg/Nm31763.81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/kg6.33水蒸气VH2ONm3/kg0.49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ηCO2VCO2/Vyr%13.54二氧化硫ηSO2VSO2/Vyr%0.06水蒸气ηH2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.60氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%73.88氧气ηO20.21*(α-1)*V0/Vyr%3.92总计100干烟气成分所占份额二氧化碳ηCO2VCO2/Vyr%14.58二氧化硫ηSO2VSO2/Vyr%0.061氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%79.58氧气ηO20.21*(α-1)*V0/Vyr%4.23总计98.44560344已知过剩空气系数空气系数α1.250实际烟气容积VyrVyl+(α－1)*V0+0.0161*(α-1)*V0Nm3/kg6.82实际干烟气容积VyrgVyr-VH2ONm3/kg6.23排烟量(标态,湿态）QyBj*VyrNm3/s36.88排烟量(标态，干态）QpBj*VyrgNm3/s33.704湿烟气成分所占份额二氧化碳ηCO2VCO2/Vyr%13.54二氧化硫ηSO2VSO2/Vyr%0.056水蒸气ηH2O(VH2O+0.0161*(α-1)*V0)/Vyr%8.60氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%73.88氧气ηO20.21*(α-1)*V0/Vyr%3.92总计100干烟气成分所占份额二氧化碳ηCO2VCO2/Vyr%14.81二氧化硫ηSO2VSO2/Vyr%0.062氮气ηN2(VN2+(α-1)*V0*0.79)/Vyr%80.83氧气ηO20.21*(α-1)*V0/Vyr%4.29总计100干烟气132739.188121318.61831763.8145981589.031722