热平衡计算

序号名称符号计算公式单位结果一锅炉基本参数1额定功率DMW2.82热水压力PMPa1.253出水温度T℃1154给水温度tgs℃705排烟温度θpy℃1366冷风温度tlk℃207连续排污率Ppw％1海拔修正系数1.000二燃料特性1收到基含碳量Cy％73.8452收到基含氢量Hy％4.2823收到基含氧量Oy％8.9094收到基含氮量Ny％0.8645收到基含硫量Sy％0.226收到基含灰量Ay％5.347收到基水份Wy％6.548干燥无灰基挥发份Vr％34.569收到基低位发热量QydWkJ/kg2701310t1℃11t2灰熔点℃≥125012含量判定100.0正确13发热量计算值根据门捷列夫公式计算热值5.49%28497三理论空气量及烟气量1理论空气量V00.0889(Cy+0.375Sy)+0.265Hy-0.0333OyNm3/kg7.410热平衡计算2RO2理论容积V0RO21.866(Cy+0.375Sy)/100Nm3/kg1.3793N2理论容积V0N20.8Ny/100+0.79V0Nm3/kg5.8614H2O理论容积V0H2O0.0124Wy+0.111Hy+0.0161V0+1.24WwhNm3/kg0.6765理论烟气量V0yV0RO2+V0N2+V0H2ONm3/kg7.916四热平衡及燃料消耗量1锅炉输入热量QrQydw+irkJ/kg270132冷空气温度tlk选取℃203冷空气焓I0LKV0(cθ)kkJ/kg195.64排烟温度θpy假定℃1365炉膛过量空气系数选取1.255锅炉出口过量空气系数αpy选取/1.466排烟焓Ipy(α-1)V0(cθ)k+V0RO2(cθ)RO2+V0N2(cθ)N2+V0H20(cθ)H20kJ/kg2096.07大渣份额αz选取％108大渣含碳量Cz选取％59大渣排放温度tz选取℃80010大渣热焓Iztz*(cθ)hkJ/kg760.811飞灰份额αfh选取％9012飞灰含碳量Chz选取％1013飞灰温度tfh选取℃13614飞灰热焓Ifhtfh*(cθ)hkJ/kg111.815化学不完全燃烧损失q3选取％0.10016机械不完全燃烧损失q432866Ay(αhz*Chz/(100-Chz)+αfh*Cfh/(100-Cfh))/Qr％0.68417排烟热损失q2(Ipy-αpyI0lk)(100-q4)/Qr％6.65618散热损失q5选取％2.8519灰渣物理热损失q6Ay(αzIz+αfhIfh)/Qr％0.03520总热损失∑qiq2+q3+q4+q5+q6％10.32321锅炉热效率η100-∑qi％89.6822出水温度te给定℃11523出水压力Pe给定MPa1.2524出水焓igr查表kJ/kg#NAME?25出水温度下饱和压力Pbh查表MPa#NAME?27出水压力下饱和温度tbh查表℃#NAME?28饱和水热焓ibs查表kJ/kg#NAME?29给水温度tgs给定℃7030给水压力Pgs汽水阻力计算MPa1.4131给水热焓igs查表kJ/kg#NAME?35锅炉有效利用热量QyxD(igr-igs)+Dpw(ibh-igs)kJ/s280032计算循环水量D给定T/H#NAME?33计算循环水量2D给定kg/s#NAME?34排污量DpwD*PPWkg/s#NAME?36燃料消耗量B100Qyx/QydwηT/H0.41637计算燃料消耗量BjB(100-q4)/100kg/s0.1138保温系数ψη/(η+q5)0.969五综合指标计算1总空气量标态Nm3/h3828二次风率b%802二次风量Nm3/h3062标态Nm3/h4680热态（气压未修正）m3/h7012一次风率最大值％最小值％一次风温度最大值℃最小值℃二次风率最大值％最小值％3尾部排烟气量二次风温度最大值℃最小值℃三次风温度最大值％最小值％结果结果结果结果结果结果结果4.2714142929581.251.251.251.61.251.61.6115115115130130150130707070707090701361361361401361401362020202020202011110.50.50.31.0001.0001.0001.0001.0001.0001.00073.84573.84573.84573.84573.84573.84573.8454.2824.2824.2824.2824.2824.2824.2828.9098.9098.9098.9098.9098.9098.9090.8640.8640.8640.8640.8640.8640.8640.220.220.220.220.220.220.225.345.345.345.345.345.345.346.546.546.546.546.546.546.5434.5634.5634.5634.5634.5634.5634.5627013270132701327013270132701327013≥1250≥1250≥1250≥1250≥1250≥1250≥1250正确正确正确正确正确正确正确284972849728497284972849728497284977.4107.4107.4107.4107.4107.4107.410热平衡计算1.3791.3791.3791.3791.3791.3791.3795.8615.8615.8615.8615.8615.8615.8610.6760.6760.6760.6760.6760.6760.6767.9167.9167.9167.9167.9167.9167.9162701327013270132701327013270132701320202020202020195.6195.6195.6195.6195.6195.6195.61361361361401361401361.251.21.21.21.151.151.151.461.461.441.441.421.421.422096.02096.02069.32130.92042.62103.42042.6101010101010105544333800800800800800800800760.8760.8760.8760.8760.8760.8760.890909090909090101099888136136136140136140136111.8111.8111.8115.4111.8115.4111.80.1000.1000.1000.1000.1000.1000.1000.6840.6840.6050.6050.5290.5290.5296.6566.6566.5776.8046.4996.7226.4992.361.871.371.371.001.000.740.0350.0350.0350.0360.0350.0360.0359.8379.3458.6878.9148.1578.3827.90490.1690.6691.3191.0991.8491.6292.101151151151301301501301.251.251.251.61.251.61.6#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?707070707090701.411.411.411.801.411.801.80#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?420070001400014000290002900058000#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?#NAME?0.6211.0292.0432.0484.2084.2188.3930.170.280.560.571.161.172.320.9740.9800.9850.9850.9890.9890.992571190881805918104356703575871145808080808080804569727014447144832853628606569166982115742269922755461634627692073104611734034006344256916070008137940结果581.615090140200.31.00073.8454.2828.9090.8640.225.346.5434.5627013≥1250正确284977.410热平衡计算1.3795.8610.6767.9162701320195.61401.151.422103.4103800760.8908140115.40.1000.5296.7220.740.0368.12991.871501.6#NAME?#NAME?#NAME?#NAME?901.80#NAME?58000#NAME?#NAME?#NAME?8.4142.320.99271319805705592298139630热平衡-蒸汽热平衡计算序号名称符号计算公式单位一锅炉基本参数1额定蒸发量DT/H42额定蒸汽压力PMPa1.253额定蒸汽温度T℃#NAME?4给水温度tgs℃605排烟温度θpy℃1356冷风温度tlk℃207连续排污率Ppw％3二燃料特性1收到基含碳量Cy％73.852收到基含氢量Hy％4.283收到基含氧量Oy％8.914收到基含氮量Ny％0.865收到基含硫量Sy％0.226收到基含灰量Ay％5.347收到基水份Wy％6.548干燥无灰基挥发份Vr％34.569收到基低位发热量QydWkJ/kg2701310t1℃11t2灰熔点℃≥125012t3℃13含量判定100.0正确14发热量计算值根据门捷列夫公式计算热值5.49%28497三理论空气量及烟气量结果饱和蒸汽热平衡-蒸汽1理论空气量V00.0889(Cy+0.375Sy)+0.265Hy-0.0333OyNm3/kg7.4102RO2理论容积V0RO21.866(Cy+0.375Sy)/100Nm3/kg1.3793N2理论容积V0N20.8Ny/100+0.79V0Nm3/kg5.8614H2O理论容积V0H2O0.0124Wy+0.111Hy+0.0161V0+1.24WwhNm3/kg0.6765理论烟气量V0yV0RO2+V0N2+V0H2ONm3/kg7.916四热平衡及燃料消耗量1锅炉输入热量QrQydw+irkJ/kg270132冷空气温度tlk选取℃203冷空气焓I0LKV0(cθ)kkJ/kg196.24排烟温度θpy假定℃1355炉膛过量空气系数选取1.255锅炉出口过量空气系数αpy选取/1.466排烟焓Ipy(α-1)V0(cθ)k+V0RO2(cθ)RO2+V0N2(cθ)N2+V0H20(cθ)H20kJ/kg2081.67大渣份额αz选取％108大渣含碳量Cz选取％59大渣排放温度tz选取℃80010大渣热焓Iztz*(cθ)hkJ/kg760.811飞灰份额αfh选取％9012飞灰含碳量Chz选取％1013飞灰温度tfh选取℃13514飞灰热焓Ifhtfh*(cθ)hkJ/kg110.915化学不完全燃烧损失q3经验选取％0.10016机械不完全燃烧损失q432866Ay(αhz*Chz/(100-Chz)+αfh*Cfh/(100-Cfh))/Qr％0.68417排烟热损失q2(Ipy-αpyI0lk)(100-q4)/Qr％6.60