成分%低热值（KJ/m3）质量比热密度CH496.51359062.170.717C2H61.97643971.651.357C3H80.34932441.552.02C4H100.151236491.592.673N21.0301.3021.251燃气低热值Qfg36424.0046燃气进口压力Pfg32水蒸汽饱和压力Ps4.33燃气应用基水含量dufg125.82燃气干燥基密度ρ dfg0.74应用基密度ρ ufg0.75理论空气量Vath9.76过剩空气系数α1.05实际空气量Va10.25过剩空气量Va'0.49RO2体积 VRO21.021理论N2体积VN2o7.722理论水蒸汽体积VH2Oo2.0104理论干烟气体积Vgyo8.743理论烟气体积Vyo10.753实际N2体积VN28.108实际水蒸汽体积VH2O2.018天然气成分燃烧烟气查表Va=Vath*αVa'=Va-VathVRO2=0.01(CO2d+COd+∑mCmHnd+H2Sd)VN2o=0.01*N2d+0.79VathQfg=∑（CmHn*QCmHn）/100给定Va=0.000268*Qfg设定dufg=804Ps/(Pfg-Ps)ρfgu=(ρ fgd+dfgu/1000)*804/(804+dfgu)VRO2=0.01(∑CmHnρ CmHn+N2ρ N2)VH2O=VH2Oo+0.0161(α -1)VathVH2Oo=0.01(H2d+H2sd+∑n/2*CmHnd+0.124ds)+0.0161VathVgyO=VRO2d+VN2dVyo=Vgyo+VH2OoVN2=VN2o+0.79(α -1)Vath实际干烟气体积Vgy9.616实际烟气体积Vy11.635空气水含量da30烟气质量msm14.401烟气密度ρ sm1.238应用基燃气热值Qufg36418.31燃气温度t'fg20燃气容积比热C'fg1.579燃气输入显热Qf31.590实际空气量Va10.250空气温度ta20空气体积焓H'a26.46空气输入显热Qa271.207送风机风压Pfd2.3全压效率η a76机械效率η m93电动机效率η e86送风机转化热量Qpfd38.783体系输入总热量Qi36759.886排烟温度tp120N2焓值HN2155.84RO2焓值 HRO2207.52水蒸汽焓值HH2O181.44过剩空气焓值Ha159.1烟气焓H'sm1919.147排烟热损失率q25.221热损失率计算查值查值输入热计算Vgy=VRO2+VN2+VO2Vy=Vgy+VH2Oρ sm=msm/Vy查表取值q2=100H'sm/Qi估值Qpfd=Va*Pfd*106/η a*η m*η eQi=Qfg+Qf+Qa+Qpfd设定查值H'sm=HN2VN2+HRO2VRO2+HH2OVH2O+HaVaρ fgu+0.001dfgu+1.293(1+0.001da)α Vath查值给值C'fg=0.01*(ΣCmHn*C'CmHn+H2Sd*C'H2S)+0.00124ds*C'H2O给定估值Qa=h'aVaQfgu=Qfg*804/(804+0.001*dfgu)取值估值Qf=C'fgt'fg计算燃气未完全燃烧热损失率q31散热损失率q41.3送风机热损失率q50.0414炉子效率η92.4379标况下天然气体积流量Vg86316天然气质量流量qmg18.0016天然气质量比热C'g2.4000入口温度t'g-5出口温度t''g15定性温度td3炉子额定功率1000实际燃料消耗量B0.029有效利用热量 Q133980.053保热系数Φ0.986火筒内径Dift0.85火筒轴长Lft3.5火筒封...
