燃烧系统计算

一原始数据设计煤质校核煤质1（上限）设计工况B-MCRB-MCR1碳Car%3633.722氢Har%2.72.23氧Oar%810.684氮Nar%1.80.55硫Sar%0.50.66灰Aar%44447水分Mt%78.3total1001008过量空气系数a1.21.29燃煤量Bt/h#REF!#REF!10计算燃煤量Bj=B(1-q4)Bjt/h#REF!#REF!11未完全燃烧热损失q4%0.70.712空预器出口烟气温度tpy1°C148148二燃烧计算1理论空气量V°Nm3/kgV°=0.0889(Car+0.375Sar)+0.265HarV°=0.0889(Car+0.375Sar)+0.265Har-0.0333Oar-0.0333Oar3.666168753.24506652二氧化物容积VRO2Nm3/kgVRO2=0.01866(Car+0.375Sar)VRO2=0.01866(Car+0.375Sar)0.675258750.63341373理论氮气容积VN2°Nm3/kgVN2°=0.79V°+0.008NarVN2°=0.79V°+0.008Nar2.9106733132.5676025354理论水蒸气容积VH2O°Nm3/kgVH2O°=0.111Har+0.0124Wt+0.0161V°VH2O°=0.111Har+0.0124Wt+0.0161V°0.4455253170.3993655715理论烟气容积Vy°Nm3/kgVy°=VRO2+VN2°+VH2O°Vy°=VRO2+VN2°+VH2O°4.0314573793.600381806燃烧计算6实际烟气容积VyNm3/kgVy=Vy°+1.0161(a-1)V°Vy=Vy°+1.0161(a-1)V°4.7764961934.259844227烟气重量gykg/kggy=1-Aar/100+1.306aV°gy=1-Aar/100+1.306aV°6.3056196655.6456682198总烟气容积流量VyNm3/hVy=Vy*Bj*1000Vy=Vy*Bj*1000#REF!#REF!9总烟气重量流量Gykg/hGy=gy*Bj*1000Gy=gy*Bj*1000#REF!#REF!10烟气密度kg/Nm3Gy/VyGy/Vy#REF!#REF!11空预器漏风率b10.10.112空预器出口烟气量Gy1kg/hGy1=(1+b1)GyGy1=(1+b1)Gy#REF!#REF!13空预器出口烟气容积Vy1Nm3/hVy1=Vy+0.08*Gy/1.285Vy1=Vy+0.08*Gy/1.285#REF!#REF!14空预器出口实际烟气容积Vy1'm3/hVy1'=Vy1(273+Tpy1)/273Vy1'=Vy1(273+Tpy1)/273#REF!#REF!15空预器出口烟密度01kg/Nm301=Gy1/Vy101=Gy1/Vy1#REF!#REF!16除尘器漏风率b20.030.03（以进口烟气质量流量为基准）17除尘器出口烟气量Gy2kg/hGy2=(1+b2)Gy1Gy2=(1+b2)Gy1#REF!#REF!18除尘器漏入量DG2kg/hDG2=b2Gy1DG2=b2Gy1#REF!#REF!19除尘器漏入空气标准容积DV2Nm3/hDV2=DG2/1.285DV2=DG2/1.285#REF!#REF!20除尘器出口烟气标准容积Vy2Nm3/hVy2=Vy1+DV2Vy2=Vy1+DV2#REF!#REF!21除尘器出口烟气温度tpy2°Ctpy2=(Gy1*tpy1+DG2*20)/Gy2tpy2=(Gy1*tpy1+DG2*20)/Gy2#REF!#REF!22除尘器出口烟气实际容积V2'm3/hV2'=Vy2*(273+tpy2)/273V2'=Vy2*(273+tpy2)/273#REF!#REF!23除尘器出口烟气密度2kg/m32=Gy2/V2'2=Gy2/V2'#REF!#REF!24除尘器前总阻力HmmH2O25除尘器前烟气量（Ｖ＝Ｖy1')Vm3/h#REF!#REF!26储备系数b31.321.3227除尘器前压力修正后烟气量V'm3/hV'=V*760/(760-β3*H/13.6)V'=V*760/(760-β3*H/13.6)#REF!#REF!28空预器出口过剩空气系数αkyαky=(Gy1/Bj/1000-1+Aar/100)/1.306V0αky=(Gy1/Bj/1000-1+Aar/100)/1.306V0#REF!#REF!29除尘器出口过剩空气系数αccαcc=(Gy2/Bj/1000-1+Aar/100)/1.306V0αcc=(Gy2/Bj/1000-1+Aar/100)/1.306V0#REF!#REF!30除尘器出口干烟气单位标准容积Vgy2Nm3/kgVgy2=VRO2+VN2+(a-1)V°Vgy2=VRO2+VN2+(a-1)V°#REF!#REF!31空预器出口干烟气单位标准容积Vgy1Nm3/kgVgy1=VRO2+VN2+(a-1)V°Vgy1=VRO2+VN2+(a-1)V°#REF!#REF!32除尘器出口干烟气标准容积Vgy2'Nm3/hVgy2'=Vgy2*BjVgy2'=Vgy2*Bj#REF!#REF!33空预器出口干烟气标准容积Vgy1'Nm3/hVgy1'=Vgy1*BjVgy1'=Vgy1*Bj#REF!#REF!33实际氮气容积VN2Nm3/kgVNO2+0.79(acc-1)V°VNO2+0.79(acc-1)V°#REF!#REF!34实际二氧化碳容积Vco2Nm3/kg0.01866Car0.01866Car0.671760.629215235实际二氧化硫容积Vso2Nm3/kg0.007Sar0.007Sar0.00350.004236实际氧气容积Vo2Nm3/kg0.21(acc-1)Vo0.21(acc-1)Vo#REF!#REF!37实际水蒸气容积VH2ONm3/kgVoH2O+0.0161(acc-1)V°VoH2O+0.0161(acc-1)V°#REF!#REF!38实际烟气总容积VNm3/kgVN2+Vco2+VSO2+VO2+VH2OVN2+Vco2+VSO2+VO2+VH2O#REF!#REF!39锅炉烟气成分(实际O2)CO2VOL%VCO2*100/VVCO2*100/V#REF!#REF!SO2VOL%VSO2*100/VVSO2*100/V#REF!#REF!N2VOL%VN2*100/VVN2*100/V#REF!#REF!O2VOL%VO2*100/VVO2*100/V#REF!#REF!H2OVOL%VH2O*100/VVH2O*100/V#REF!#REF!40实际干烟气总容积VgNm3/kgVN2+Vco2+VSO2+VO2VN2+Vco2+VSO2+VO2#REF!#REF!41锅炉工况烟气成分(干基O2)CO2VOL%VCO2*100/VgVCO2*100/Vg#REF!#REF!SO2VOL%VSO2*100/VgVSO2*100/Vg#REF!#REF!N2VOL%VN2*100/VgVN2*100/Vg#REF!#REF!O2VOL%VO2*100/VgVO2*100/Vg#REF!#REF!