生物质锅炉热力计算书.doc

一、48t生物质锅炉热力计算序号名称符号单位计算公式及数据来源结果1锅炉蒸发量Dkg/h设计给出482过热蒸汽压力Psh.sMpa设计给出10.343过热蒸汽温度tsh.s℃设计给出5404给水温度tf.w℃设计给出2105锅炉排污率ρb.w%设计给出56冷空气温度tl.a℃设计给出357排烟温度∂ex℃设计给出127二、燃料特性序号名称符号单位计算公式及数据来源结果1碳Car%设计给出38.5722氢Har%设计给出4.8343氧Oar%设计给出34.8974氮Nar%设计给出0.4265硫Sar%设计给出0.1346水分Mar%设计给出6.1377灰分Aar%设计给出15　计算低位发热量QarDKJ/kg339Car+1030Har+109（Sar-Oar）-25.12Mar14111.599568低位发热量Qar,netKJ/kg设计给出14290三、锅炉各受热面的漏风系数和过量空气系数　　入口处漏风系数出口处的序号锅炉受热面过量空气系数 α' Δα α"1炉膛过量空气系数1.301.32三级过热器过量空气系数1.301.33四级过热器过量空气系数1.30.0351.3354二级过热器过量空气系数1.3350.011.3455一级过热器过量空气系数1.3450.021.3656省煤器过量空气系数1.3650.0251.397烟气冷却器过量空气系数1.390.031.42　空气预热器过量空气系数1.420.021.44四、理论空气量、烟气理论容积计算序号名称符号单位　结果1理论空气量V0Nm3/kg(1.866*Car+5.55*Har+0.7*Sar-0.7*Oar)/213.5524579252理论氮气容积V0N2Nm3/kg0.79*V0+0.8*Nar/1002.8098497613三原子气体RO2的容积VRO2Nm3/kg0.01866(Car+0.375*Sar)0.7206911854理论水蒸气容积V0H2ONm3/kg0.111Har+0.0124Mar+0.016V00.669867373五、各受热面烟道中烟气特性计算序号名称符号单位计算公式炉膛三级过热器四级过热器二级过热器一级过热器省煤气烟气冷却器空气预热器1平均过量空气系数αav —(α'+α”）/21.31.31.31751.341.3551.37751.4051.432实际水蒸汽容积VH2Om3(标)/㎏V0H2O+0.0161(α-1)*V00.6870257440.6870257440.68802660.6893140.690171450.6914580.6944610390.694461043实际烟气量Vgm3(标)/㎏Vg=VRO2+V0N2+VH2O+（αav-1）*V05.2833040685.2833040685.3464735.427695.481834955.5630525.6637474445.752558894RO2容积份额γRO2 —VRO2/Vg0.1364091820.1364091820.13479750.132780.131468970.129550.1272463490.125281845H2O容积份儿γH2O —VH2O/Vg0.1300371390.1300371390.1286880.1269990.125901540.1242950.1226151140.120722116三原子气体容积份额γtri —γRO2+γH2O0.2664463210.2664463210.26348540.259780.257370510.2538440.2498614630.24600395六、焓温表VRO2=0.720691185V0N2=2.809849761V0H2O=0.669867Aar=，af.a=I0gV0=3.55245793I=I0g+(α-1)*I0a(с∂)co2 kJ/m3(标）VRO2(с∂)CO2(с∂)N2 kJ/m3（标） V0N2(с∂)N2(с∂)H2O kJ/m3 （标） V0H2O(с∂)H20(с∂) kJ/kg∑(3)+(5)+(7)(с∂)a kJ/m3 （标） I0a I I I I IV0(с∂)a1.31.31.3351.391.421234567891011121314151617温度CO2N2H2OO2100170122.5175015130365.2804689151101.1580588.9479132468.924446729.6253729.6253746.0376331771.8285785.8962200358258.0074442260730.5609378305204.30951681192.878267948.5062661477.431477.431510.627531562.7951591.251300559402.86637243921101.461106463310.14862601814.4764071445.850382248.2312248.2312298.8359482378.3582421.733400772556.37359485271480.790824626419.3373572456.5015511957.404323043.7233043.7233112.231843219.8893278.611500994716.36703796641865.740241795532.54464613114.6526992483.168093859.6023859.6023946.513154083.0874157.5826001225882.84670168042259.119208969649.10155543791.0678503019.589244696.9444696.9444802.6297874968.7075059.29570014621053.6505129482663.7375731149769.67766654487.06610043566.667765557.0665557.0665681.8993955878.0665985.06680017051228.7784710943073.9756381334893.60317705196.35711604120.851196432.6136432.6136576.8423336803.4896927.11590019521406.78919312423489.83340315261022.2188125918.8413184682.139557323.4827323.4827487.3569547744.8757885.339100022041588.40337213923911.31086717231154.18110056653.89614785250.532818229.0568229.0568412.8242148701.6048859.12110024581771.45893315444338.40803119251289.49511287399.36216385818.926089145.0399145.0399348.7018939668.7439843.311120027171958.1179516974768.31504421321428.15712618154.5918016397.9767210073.9810073.9810297.9124310649.810841.74130029772145.49765818535206.65160723441570.16914268922.31819646977.0273611015.4311015.4311259.6225511643.3611852.67140032392334.31874820095644.98816925591714.19115839693.49821287559.6304611961.3911961.3912225.9737312641.7512868.54150035032524.58122121666086.13458227791861.561177710472.2822948149.3384812917.0812917.0813202.3056213650.5213895160037692716.28507623256532.90069430022010.942195711260.1324618742.5989513882.9113882.9114188.8982714669.7414932.02170040362908.70962324846979.66680632292163.002220612051.3822698060.5270314469.5414469.。