热电联产锅炉效率计算程序

1、现场煤样分析MtMadVadAadFcadQnet,v,arStH ad入炉煤样7.20.8117.5629.0852.5520.2512.357.80.7614.2632.5652.4219234.70.36126481#渣样2#渣样4564.05420735.46.025.161#飞灰样 2#飞灰样11.7110.0915250.2952Mt7.2Mad0.81Aad29.08Vad17.56Fcad52.55St,ad2.35Vdaf25.05Qnet,ar20.251Hdaf4.78StVdafHdafHadQyQfAd2.35% 25.04636 4.779391 3.3508314

2、842.88310729.3174721.38572 5.045001 3.3640074599.842164996.88011667.59286 2790.2224.62447 0.67609819085.04861 4564.0541#煤质分析入炉煤O2混合样工业Mt7.26.4Mad0.810.82Aad29.0828.42Vad17.5614.69Fcad52.5556.07St,ad1.872.15618.19 5268.3463Vdaf25.0520.76CRC335206.15143 5490.7949Qnet,ar22.15822.0305233.545362.285298.9

3、5268.35610.0005858Qgr,ad24.55124.20823458.824495.85871.25789.121884.622422.9Sd1.892.12Qb.ad24703.724382.6元素Hdaf4.7794.86Had3.353.44Har3.133.25Cad61.2060.17Oad2.694.14Nad1.000.91St,ad1.872.10Aad29.0828.42Aar27.2126.82Mt7.26.4Mad0.810.82确定值元素Har3.133.25Car57.2656.78Oar2.523.91Nar0.930.86St,ar1.751.98A

4、ar27.2126.82Mt7.26.4Mad0.810.82计算值Qnet,ar22.13822.012测试值Qnet,ar22.15822.03差值-4.866-4.350Ad29.31747152 28.65497锅炉测算数据综合表序号名称符号单位数据来源或计算公式1#2#3#（一）燃料特性1燃料收到基元素碳Car%化验数据57.2656.782燃料收到基元素氢Har%化验数据3.133.253燃料收到基元素氧Oar%化验数据2.523.914燃料收到基元素硫Sar%化验数据1.751.985燃料收到基元素氮Nar%化验数据0.930.866燃料收到基灰分Aar%化验数据27.2126.

5、827燃料收到基水分Mar%化验数据7.26.48燃料干燥无灰基挥发分Vaf%化验数据25.0520.769燃料收到基低位发热值Qnet,v,arkJ/kg化验数据2215822030（二）锅炉正平衡热效率10大气压力PoMPa测试数据0.1020.10211锅炉蒸发量Dt/h测试数据61.15128.5612蒸汽压力PMPa测试数据3.653.6413过热蒸汽温度tq测试数据442.744814过热蒸汽焓hgqkJ/kg查 表3317.33327.015主给水流量Ggst/h测试数据62.9845132.416816主给水压力PgsMPa测试数据6.3617主给水温度Tgs测试数据15013

6、818主给水焓hgskJ/kg查 表593.0584.019燃料消耗量Bt/h测试数据8.8618.6620燃料温度tr测试数据131321燃料干燥基比热cr,dkJ/kgK查 表0.9980.99822燃料比热crkJ/kgKcr=crd(100-Mar)/100+4.1868Mar/1001.2281.20223燃料物理显热QrxkJ/kgQrx=cr(tr-0)15.9615.6324输入热量QrkJ/kgQr=Qnet,v,ar+Qrx+Ql22173.9622045.6325锅炉正平衡热效率1%1=(Dhgq(Ggs+Gjw)hgs)/(BQr)84.2485.1826(三）27炉渣

7、含碳量Clz%化验数据4.154.5628飞灰含碳量Cfh%化验数据15.5515.2229炉渣纯灰占燃料灰百分比alz%按标准取值10.0010.0030飞灰纯灰占燃料灰百分比afh%100-alz90.0090.0031机械未完全燃烧热损失q4%6.866.6532排烟处RO2容积百分比RO2%测试数据15.5014.5633排烟处氧气容积百分比O2%测试数据5.54.634燃料特征系数0.120.1135排烟处CO容积百分比CO测试数据0.1500.13036排烟处氮气容积百分比N2%N2=100-RO2-O2-CO78.8580.7137排烟处过剩空气系数apy1.351.2738排烟

8、温度py测试数据16116039排烟处每标米3RO2气体比热Cp(RO2)kJ/Nm3.K查 表1.78851.788540排烟处每标米3过剩氧气比热Cp（O2）kJ/Nm3.K查 表1.32831.32821.300041排烟处每标米4过剩一氧化碳气比热Cp(CO)kJ/Nm3.K查 表1.30501.30491.296342排烟处每标米3氮气体比热Cp(N2)kJ/Nm3.K查 表1.29811.298143排烟处每标米3水蒸汽比热cp(H2O)kJ/Nm3.K查 表1.51561.515544排烟处每千克飞灰焓(ctpy)fhkJ/kg查 表132.19131.3045干烟气比热Cpyk

9、J/Nm3.KCpy=cp(RO2).RO2+cp(O2)O2+cp(CO)CO+cp(N2)N21.37581.370946灰渣可燃物比率C%C=alz.Clz/(100-Clz)+afh.Cfh/(100-Cfh)17.0016.6347燃料已燃碳量Cr,ar%Cr,ar=Car+Aar*C/10052.6352.3248理论干空气量(V0gk)dNm3/kg0.0889Cr,ar+0.265Har-0.0333（Oar-Sra）5.485.4549理论RO2容积VRO2Nm3/kg1.866（Cr,ar+0.375Sar）/1000.970.9650理论氮气容积（a=1）V0N2Nm3/

10、kg0.79(V0gk)d+0.008Nar4.344.3151理论水蒸汽容积（a=1）V0H2ONm3/kg0.111Har+0.0124Mar+0.0161(V0gk)d0.530.5352l理论干烟气量(V0gy)dNm3/kg(V0gy)d=VRO2+VON25.315.2753干烟气量VgyNm3/kgVpy=(Vogy)d+(py-1)(Vogk)d7.226.730.0054烟气中水蒸气容积VH2ONm3/kgVH2O=VoH2O+0.0161（py-1）(Vogy)d0.55640.550855气体不完全燃烧热损失q3%Vpy/Qr126.28CO（100-q4）0.620.5

11、056冷空气温度t0测试数据151557排烟热损失q2%q2=(Vgy.cgy+VH2O)(py-to)/Qr1007.106.6258额定负荷下散热损失q5%查 表1.511.5159散热损失q5%q5De/D0.860.4160炉渣温度thz经验数据80080061炉渣焓(ct)hkJ /kg查 表76776762灰渣物理热损失q6%0.270.2763热损失之和q%q2+q3+q4+q5+q615.7114.4564锅炉反平衡热效率2%100-q84.2985.5565锅炉吨蒸汽耗标煤bkgce/tBQr/D29300109.7109.266正反平衡差%1-2-0.05-0.3767锅炉

12、表面温度tbm测试数据41.34768热收入热支出项目部颁2#炉3#炉项目部颁2#炉代号kJ/kg%kJ /kg%代号kJ/kg燃料燃烧化学热Qnet,v,ar2215899.932203099.93蒸汽带走热量q10.0燃料物理显热Qrx16.00.0715.630.07排烟热损失q20气体未完全燃烧热损失q30机械未完全燃烧损失q40炉壁散热损失q50灰渣物理热损失q60其它损失及测算误差22174合计22174.010022045.6100.00合计22174.02#燃煤1#2#1#炉渣含碳量5.165.16 全 水 分Mt （%）7.2飞灰含碳量10.0910.09水 分 Mad（%）

13、0.81灰 分 Aad（%）29.08挥 发 分Vad（%）17.56焦渣特征CRC3固 定 碳FCad（ %）52.5522030.1168全 硫St,ad（ %）1.87弹筒发热量 Qb,ad(KJ/kg )245515515Qnet,v,ar（KJ/kg）221588400Qnet,v,ar（kcal/kg）5298.95515.000碳 Cad（%）61.2023061.50.0氢 Had（%）3.3535125.4氮 Nad（%）1.00氧 Oad（%）2.69干燥无灰基挥发分Vdaf (%)25.0518.82137 18.85465213#炉%kJ /kg%0.0000000000000000000100.0022046100.0010022045.6100热支出2#炉2#6.40.8228.4214.69356.072.124208220305268.360.173.440.914.1420.76三和热电有限责任公司2005.7.511:3015:30环境温度30 大气压力988002#炉3#炉4#炉主蒸汽压力MPa4.995.034.95主蒸汽温度471471473流量t/h60.