锅炉原理课程设计热力计算数据处理

CarHarOarNarSarAar66.12.2210.421.3单位焓理论焓单位焓理论焓单位焓12345170210.16129.6656.91150.5357.5441.95259.91317.37304.5558.8690.803921986.95462.7771.9954.24526.52668.70626.7994.41229.30663.83364.63794.91224.61513.88804.14075.78968.91461.91807.24947.54802.641148.91704.92107.641093.65543.181334.41952.32413.481241.66293.361526.12203.52724.021391.77054.181722.92458.43039.141543.87825.131925.12716.63358.331697.28602.682132.32976.73679.871852.79390.872343.73239.14004.262008.710181.592559.13503.14330.62216610978.9127793768.84659.082324.511782.303001.84036.44989.90248412590.773229.24304.45321.212643.713400.253458.44574.15654.622804.114213.283690.40.4340.4345.0691.58出口过量空气系数1.5理论空气量Vºa1.236入口过量空气系数RO2容积VºRO2氮气理论容积VºN水理论容积VºH2O1.530.056.406漏风系数1.40.11.50.0319000.1236.焓温表0.1670.0480.0470.4870.119温度℃1.2360.1720.1710.0490.1241.530.4919.99410.09110.3520.486130014005.0695006007008001009001000110012001800RO2容积份额H2O容积份额300400三原子气体容积份额1700160020015001.555实际水蒸气容积实际烟气量过热器炉膛与防渣管1.5001.5153.燃料特性4.理论空气量、烟气理论容积计算5.各受热面烟道中烟气特性计算平均过量空气系数锅炉管束4844.15988.402965.115029.343925.5单位焓理论空气焓炉膛与防渣管111213132.4848.161356.48266.41706.562744.79402.72579.704168.48541.83470.785630.40684.14382.357130.21829.75315.078667.83978.36267.0010242.161129.17233.0311846.651282.38214.4313476.591437.39207.3615129.851594.910216.9516808.501735.411116.9918445.211914.212262.3820219.422076.213300.1621946.932238.914342.4223687.202402.915393.0025441.082567.316446.1527205.662731.917500.5828973.162898.818569.7430754.903064.719632.5032538.20序号名称符号单位1燃料低位发热量2冷空气温度3理论冷空气焓4排烟温度5排烟热焓6固体不完全燃烧热损失q47气体不完全燃烧热损失q3%8排烟热损失q2%9散热损失q5%10灰渣漏煤与总灰量之比11灰渣热焓选取取用查表B8tsl=600℃给定假定根据及α=1.74查烟气焓温表选取选取温度℃理论烟气焓理论空气量给定30040050060070080090010001100120013001002001800190020007.锅炉热平衡及燃料消耗量计算140015001600170014088.22715296.85016515.99417744.581计算公式或来源18982.58320222.87421470.03122721.94620004939.0323895.01110理论烟气的焓值932.4061891.5132878.62710526.1726010.29611700.02512886.7187108.6568230.1359369.37612灰渣物理热损失q6%13锅炉总损失∑q%14锅炉热效率η%15蒸汽焓16饱和水温度17饱和水焓18给水焓19锅炉排污率20锅炉有效利用热21燃料消耗量B22计算燃料消耗量Bcal23保温系数ψ序号123456789101112131415161718192021140.00B(1-q4/100)1-q5/(q5+η)9.炉膛热力计算100-∑qB15B13B13B141201.771707.9224245.441531.83保温系数炉膛出口过量空气系数炉膛漏风系数冷空气焓热空气温度绝热燃烧温度绝热燃烧绝对温度烟气中水蒸汽容积份额三原子气体的容积份额查焓温表烟气平均热容量三原子气体总分压力三原子气体辐射力空气带入炉膛热量炉膛入炉热量炉膛出口烟温炉膛出口绝对温度名称燃料低位发热量燃料消耗量计算燃料消耗量炉膛出口烟焓热空气焓Qar,netBBcalψ假定后校核254.45先假定，后校核1804.83980.0014799.201253.0022880.001567.641379.530.9781.500.100.0270017.120.04900.17200.0172022232425262728293031323334353637383940414243444546序号1234567891011先假定，后校核按1.45MPa,表B13烟气流速5.090管内工质温度196.660最大温压732.356963.469进口烟焓最小温压672.340平均温压702.348平均烟温899.008查B4出口烟温出口烟焓烟气侧对流放热量929.01613956.301869.00012971.307等于炉膛出口烟温查焓温表炉膛系统黑度玻尔茨曼准则烟气中飞灰浓度无因次出口温度火焰黑度水冷壁灰壁面黑度炉膛水冷度火床与炉墙的面积比每kg燃料烟气量固体颗粒辐射减弱系数飞灰份额三原子气体辐射减弱系数介质辐射减弱系数系数计算值管外灰污层热阻炉膛辐射受热面吸热量水冷壁管外灰污层表面温度m辐射受热面热流密度Boε取定1.4444313.340.20000.800.4590.1460.4940.00320.51911.96350.2653715.55630.15681.12350.66600.5150.00258009239.8295308.661202.0161929.016113956.3013炉膛出口烟焓炉膛出口烟气温度炉膛出口烟气绝对温度10064.2971燃烧面热强度845776.8121炉膛辐射放热量246188.5556103813.1444燃烧室热强度辐射受热面热流密度防渣管热力计算名称进口烟温12131453.5150.85160.92170.97181944200.9210.89221232425262728293031323334353637383940序号1869.00000212971.307133725.00000410838.533735烟气放热量2093.633136136.961137196.6600082789.4000093097.1165110365.97182过热蒸汽出口温度出口烟焓进口烟温接受炉膛的辐射热过热蒸汽的进口蒸汽温度过热器进口焓过热器出口焓条件对流放热系数修正系数进口烟焓出口烟温过热器热力计算过热器结构计算错列部分条件对流放热系数修正系数修正系数修正系数取定62页查图C18传热量误差防渣管总吸热量0.6000045.77678967.384750.406381449.05888气体介质吸收力0.18142有效系数传热系数烟气对管壁放热系数60.91361烟囱处炉膛辐射热负荷分布系数0.60000防渣管吸收炉膛辐射热量485.58946烟气中水蒸气份额0.049烟气黑度0.16592辐射放热系数23.89186错列部分对流放热系数40.5819对流放热系数37.02175顺列部分对流放热系数35.24400三原子气体总分压力0.01723三原子气体辐射力0.01502三原子气体辐射减弱系数2.08051管壁积灰层表面温度276.66000修正系数顺列部分条件辐射放热系数144.00000修正系数三原子气体容积份额0.17211281.31591120.13650查表B12130.21400查表B15140.175251521.5400616490.00000查图C16170.99000查图C1618485.10000190.04828200.1707921797.00000220.0043031横向冲刷顺列管束23402.25842240.01708250.00379264.48034270.09946280.0946829144.00000查图C163013.633482543170.72408320.680003340.885703440.161683524.622623634.9812737503.0281838528.3400039515.6840940P0.33659R0.850501732410.99400查图C2242512.58998432103.78874440.48507序号123456锅炉管束热力计算72511163.96温差修正系数平均温压传热量误差百分比纵向冲刷传热系数平均传热系数最大温压最小温压平均温压无因次计算参数34纵向冲刷顺列管束条件辐射放热系数辐射放热系数烟气侧对流放热系数横向冲刷传热系数烟气侧对流放热系数三元子气体辐射减弱系数气体介质吸收力烟气黑度热有效系数积灰系数灰壁温度三元子气体总分压力三元子气体辐射力蒸汽侧条件对流放热系数管径修正系数蒸汽侧对流放热系数烟气中水蒸气容积份额平均烟温三元子气体容积份额蒸汽进口比体积蒸汽出口比体积过热蒸汽平均温度蒸汽平均比体积蒸汽流速名称锅炉管束进口烟温锅炉管束进口烟焓出口烟温出口烟焓烟气侧放热量管内工质温度3555218.125828.35196.66按1.45MPa,表C13查焓温表先假定，后校核查焓温表7891011121310.9811415161718192021222324252627序号1234567查表B1489查表B14101112查图C1913查图C19141516171819省煤器水侧吸热量834.58最小温差195平均温差207.42传热量1148.31传热系数22.473最大温差220.36条件传热系数22.7修正系数0.99平均烟温327.5烟气流速9.52出口水焓567.74出口水温134.64进口水温105进口水焓441.16出口烟焓4632.82烟气侧放热量897.66省煤器热力计算名称数值进口烟温355进口烟焓5525.10出口烟温300平均温压条件辐射放热系数管壁积灰层表面温度烟气计算温度烟气流速水蒸汽容积份额三原子气体容积份额传热量误差辐射放热系数对流放热系数三原子气体辐射力三原子气体辐射减弱系数气体介质吸收力烟气黑度有效系数传热系数条件对流放热系数修正系数对流放热系数三原子气体总分压力0.1674746.06307.06503.725.540.04731.855805873.455744.649800.129260.121267.0329953.092990.60000256.66580.016690.00464查图C130.77385C18表8-163页20序号12345678910111213141.08151