三回程结构设计热力计算.xls

烟气焓温表（C）CO2V0RO2I0RO2（C）N2V0N2I0N2（C）H2OKcal/Nm3Nm3/kgKcal/KgKcal/Nm3Nm3/kgKcal/KgKcal/Nm310040.61.6265.772318.82273.423620085.41.62138.34862.18.82547.72272.7300133.51.62216.2793.68.82825.552110.5400184.41.62298.728125.88.821109.56149.65002381.62385.56158.68.821398.85189.86002921.62473.041928.821693.442317003491.62565.382268.821993.322748004071.62659.342618.822302.023199004661.62754.922978.822619.5436410005261.62852.123338.822937.0641211005871.62950.943698.823254.5846012006491.621051.384058.823572.150913007111.621151.824488.823951.3656014007741.621253.884808.824233.661115008371.621355.945178.824559.9466416009001.6214585558.824895.171717009641.621561.685938.825230.26771180010281.621665.366318.825565.42826190010921.621769.046708.825909.4881200011571.621874.347088.826244.56938210012221.621979.647478.826588.54994反推温度1964插值计算150V0H2OI0H2OI0（C）KV0I0KINm3/kgKcal/KgKcal/KgKcal/Nm3Nm3/kgKcal/KgKcal/Kg1.6860.48399.67231.611.17352.9721.1434.96921.68122.136808.20663.611.17710.4121.1879.24721.68185.641227.46296.211.171074.5541.11334.9171.68251.328 1659.612129.411.171445.3981.11804.1521.68318.864 2103.276163.411.171825.1781.12285.7941.68388.082554.56198.211.172213.8941.12775.9491.68460.323019.0223411.172613.781.13280.3981.68535.923497.2827011.173015.91.13798.871.68611.523985.9830611.173418.021.14327.7821.68692.164481.3434311.173831.311.14864.4711.68772.84978.3238111.174255.771.15403.8971.68855.125478.641911.174680.231.15946.6231.68940.86043.9845711.175104.691.16554.4491.681026.486513.9649611.175540.321.17067.9921.681115.527031.453511.175975.951.17628.9951.681204.567557.6657411.176411.581.18198.8181.681295.288087.2261311.176847.211.18771.9411.681387.688618.4665211.177282.841.19346.7441.681480.089158.5269211.177729.641.19931.4841.681575.849694.7473011.178154.11.110510.151.681669.9210238.177211.178623.241.111100.4210302.73657.1082烟气焓温表插值计算WNS4.2-1.0/115/70-YWNS4.2-1.0/115/70-Y （三三回回程程结结构构）热热 力力 计计 算算序号名 称符号单位一）锅炉规范1锅炉额定热功率QMW2额定工作压力PMpa3额定供水温度Tcs4额定回水温度Ths5冷空气温度Tlk二）燃料及烟气特性参数（0#轻柴油）1水分Wy%2灰分Ay%3碳Cy%4氢Hy%5氧Oy%6氮Ny%7硫Sy%8低位发热计算值QydwKcal/Kg9理论空气量V0Nm3/kg10RO2容积VRO2Nm3/kg11N2理论容积V0N2Nm3/kg12H2O理论容积V0H2ONm3/kg13平均过量空气系数pj14实际H2O容积VH2ONm3/kg15烟气的平均容积VyNm3/kg16RO2容积份额rRO217H2O容积份额rH2O18三原子气体容积份额rq三）锅炉热平衡及燃料消耗量计算1 冷空气焓I0LKKcal/Kg2排烟温度py3排烟热焓IpyKcal/Kg4排烟热损失q2%5化学不完全燃烧损失q3%6散热损失q5%7锅炉效率%8燃料消耗量Bjkg/h9保热系数四）燃烧室传热计算1炉胆结构特性计算1.1燃烧器火焰直径dhm1.2炉胆直径dm1.3燃烧器火焰长度Lhym1.4炉胆长度Lm1.5炉胆辐射受热面积Hf1m21.6炉膛尾部长度L1m1.7炉膛尾部直径D1m1.8烟管外径dwm1.9第一对流烟管数量n12检修孔直径djm2.1炉膛尾部辐射受热面Hf2m22.2炉膛总辐射受热面积FLm22.3炉胆有效容积VL1m32.4炉膛尾部容积VL2m32.5炉膛总容积VLm32.6炉膛有效辐射层厚度Sm2.7燃烧室热力计算2.8空气带入燃烧室热量QkKcal/Kg2.9燃烧室每Kg燃料输入热量QLKcal/Kg2.1绝热燃烧温度jr2.11绝热燃烧绝对温度TjrK2.12炉膛出口假定温度lc2.13炉膛出口烟气焓IcyKcal/Kg2.14出口绝对温度TlcK2.15受热面灰污系数2.16有效辐射受热面Hfsm22.17受热面平均热有效系数pj2.18三原子气体总分压力PqMPa2.19三原子气体辐射力m.Mpa2.2三原子气体辐射减弱系数Kp1/(m.Mpa)2.21碳黑颗粒辐射减弱系数Kth1/(m.Mpa)2.22火焰发光黑度afg2.23火焰不发光黑度aq2.24炉膛容积热负荷qvKcal/m3.h2.25系数m2.26火焰黑度ah2.27炉膛系统黑度aL2.28火焰中心高度系数M2.29烟气平均热容积V-cKJ/（Kg.）2.3炉膛出口烟温tlc2.31计算与假设值差t2.32结论四）第一对流管传热计算1对流管结构参数1.1对流管内径dnm1.2对流管长度Lgm1.3对流管枝数N1.4对流受热面面积Hdlm21.5对流管流通面积Fdlm22对流面传热计算2.1出口烟气温度”2.2出口烟气焓值Icy”Kcal/Kg2.3烟气侧放热量Qrp2Kcal/Kg2.4大温压t22.5小温压t32.6平均温压tpj2.7烟气计算温度t42.8假定烟气流速Wm/s2.9计算对流烟管根数N2.1o实际烟气流速Wm/s2.11普郎特数Pr2.12导热系数W/m.2.13烟气粘滞系数Vm2/S2.14雷诺数Re2.15努塞尔数NU2.16换热系数ad2W/m2.2.17温压t52.18烟管烟气有效辐射层厚度Sm2.19三原子气体辐射减弱系数Kp1/(m.Mpa)2.2o气体介质吸收力kps1/(m.Mpa)2.21烟气黑度ay2.22温度比2.23烟气辐射放热系数af2W/m2.2.24热有效系数2.25总传热系数K2.26烟管总的传热量Qcr2Kcal/kg2.27相对误差Q%2.28结论五）第二对流管传热计算1对流管结构参数1.1对流管内径dnm1.2对流管长度Lg2m1.3对流管枝数N21.4对流受热面面积Hdlm21.5对流管流通面积Fdlm22对流面传热计算2.1出口烟气温度”22.2出口烟气焓值Icy”2Kcal/Kg2.3烟气侧放热量Qrp2Kcal/Kg2.4大温压t22.5小温压t32.6平均温压tpj2.7烟气计算温度t42.8假定烟气流速Wm/s2.9计算对流烟管根数N2.1o实际烟气流速Wm/s2.11普郎特数Pr2.12导热系数W/m.2.13烟气粘滞系数Vm2/S2.14雷诺数Re2.15努塞尔数NU2.16换热系数ad2W/m2.2.17温压t52.18烟管烟气有效辐射层厚度Sm2.19三原子气体辐射减弱系数Kp1/(m.Mpa)2.2o气体介质吸收力kps1/(m.Mpa)2.21烟气黑度ay2.22温度比2.23烟气辐射放热系数af2W/m2.2.24热有效系数2.25总传热系数K2.26烟管总的传热量Qcr2Kcal/kg2.27相对误差Q%2.28结论五）锅炉总热平衡校核1计算误差QzKcal/kg2计算相对误差%3结论参考资料1）锅炉原理及计算/冯俊凯 沈幼庭主编 科学出版社出版 1995.72）锅炉计算手册上/宋贵良主编 辽宁科学技术出版社出版 1995.103）燃油 燃气锅炉/赵钦新 惠世恩主编 西安交通大学出版社出版 2000.6共 页第 页公 式结 果360104Kcal/h4.200表压1.000115.00070.00030.0000.000.0185.5513.490.660.040.2581Cy+246Hy-26（Oy-Sy）-6Wy10237.430.0889Cy+0.265Hy-0.0333Oy+0.0333Sy11.171.886/100（Cy+0.375Sy）1.620.79V0+0.008Ny8.820.0124Wy+0.111Hy+0.0161V01.68取用1.10V0H2O+0.016（pj-1）V01.70VRO2+V0N2+VH2O+（pj-1）V013.25VRO2/Vy0.12VH2O/Vy0.13rRo2+rH2o0.25查燃油烟气焓温表105.90假定200.00879.20（Ipy-pj*I0lk）/Qydw7.450209672估取1估取3100-q2-q3-q588.54979033Q*103*860/（Qydw*）398.4458054/（+q5）0.967230946Bj0.31*(0.147-0.02*(1-EXP(-20*(apj-1)0.82999772结构设计0.95Bj0.5*(0.182-0.02*(1-EXP(-16*(apj-1)3.314300947按结构3.8WNS4.2-1.0/115/70-YWNS4.2-1.0/115/70-Y （三三回回程程结结构构）热热 力力 计计 算算3.14*d*L11.3354结构设计0.6结构设计1.6结构设计0.051假定100结构设计0.43.14*D1*L1+2*3.14*D12/4-3.14*d2/4-n1*3.14*dw2/4-3.14*dj2/45.995359Hf1+Hf217.330759L*3.14*d2/42.6921575L1*3.14*D12/41.20576VL1+VL23.89791753.6*VL/FL0.809687735pj*I0LK116.49Qydw*（100-q3）/100+QK10251.5457查燃油烟气焓温表1964jr+2732237先假定后校核1100查燃油烟气焓温表5403.897lc+2731373查锅炉原理及计算P2710.65*Hf11.26499335Hfs/Hf0.650.1013*rq0.025310191Pq*S0.020