搜索
现场煤样分析MtMadVadAadFcadQnet,v,arSt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11.7110.09Mt7.2Mad0.81Aad29.08Vad17.56Fcad52.55St,ad2.35Vdaf25.05Qnet,ar20.251Hdaf4.78StVdafHdafHadHadQyQfAd2.35%25.046364.7793913.3508314842.88310729.3174721.385725.0450013.3640074599.842164996.88011667.592862790.2224.624470.67609819085.048614564.05415250.2952煤质分析入炉煤混合样工业Mt7.26.4Mad0.810.82Aad29.0828.42Vad17.5614.69Fcad52.5556.07St,ad1.872.15618.19Vdaf25.0520.76CRC335206.1514Qnet,ar22.15822.0305233.545298.95268.35610.000Qgr,ad24.55124.20823458.85871.25789.121884.6Sd1.892.12Qb.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,ar1.751.98Aar27.2126.82Mt7.26.4Mad0.810.82计算值Qnet,ar22.13822.012测试值Qnet,ar22.15822.03差值-4.866-4.350Ad29.3174715228.65497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#（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27.2126.827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15013818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/kg·K查表0.9980.99822燃料比热crkJ/kg·Kcr=crd×(100-Mar)/100+4.1868×Mar/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η1%η1=(Dhgq(Ggs+Gjw)hgs)/(BQr)84.2485.1826(三）27炉渣含碳量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β0.120.1135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排烟温度θpy℃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1.32831.328241排烟处每标米4过剩一氧化碳气比热Cp(CO)kJ/Nm3.K查表1.30501.304942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CpykJ/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/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+(αpy-1)(Vogk)d7.226.7354烟气中水蒸气容积VH2ONm3/kgVH2O=VoH2O+0.0161（αpy-1）(Vogy)d0.55640.550855气体不完全燃烧热损失q3%Vpy/Qr×126.28CO（100-q4）0.620.5056冷空气温度t0℃测试数据151557排烟热损失q2%q2=(Vgy.cgy+VH2O)(θpy-to)/Qr×1007.106.6258额定负荷下散热损失q'5%查表1.511.5159散热损失q5%q'5×De/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η2%100-∑q84.2985.5565锅炉吨蒸汽耗标煤bkgce/tBQr/D×29300109.7109.266正反平衡差%η1-η2-0.05-0.3767锅炉表面温度tbm℃测试数据41.34768部颁部颁代号kJ/kg%kJ/kg%代号燃料燃烧化学热Qnet,v,ar2215899.932203099.93蒸汽带走热量q1燃料物理显热Qrx16.00.0715.630.07排烟热损失q2气体未完全燃烧热损失q3机械未完全燃烧损失q4炉壁散热损失q5项目2#炉3#炉项目热收入热支出灰渣物理热损失q6其它损失及测算误差合计22174.010022045.6100.00合计1#2#燃煤O21#2#炉渣含碳量5.165.16飞灰含碳量10.0910.095268.346322030.1175490.794955155362.28840058585515.00024495.823061.50.022422.935125.43#18.8213718.85465211.30001.29630.00kJ/kg%kJ/kg%0.00.000000000000000000002#炉3#炉热支出000022174100.0022046100.0022174.010022045.61001#2#全水分Mt（%）7.26.4水分Mad（%）0.810.82灰分Aad（%）29.0828.42挥发分Vad（%）17.5614.69焦渣特征CRC33固定碳FCad（%）52.5556.07全硫St,ad（%）1.872.1弹筒发热量Qb,ad(KJ/kg)2455124208Qnet,v,ar（KJ/kg）2215822030Qnet,v,ar（kcal/kg）5298.95268.3碳Cad（%）61.2060.17氢Had（%）3.353.44氮Nad（%）1.000.91氧Oad（%）2.694.14干燥无灰基挥发分Vdaf(%)25.0520.76三和热电有限责任公司2005.7.511:3015:30环境温度30大气压力2#炉3#炉4#炉主蒸汽压力MPa4.995.034.95主蒸汽温度℃471471473流量t/h60.756.0669.8给水温度℃169162167给水压力MPa95.765.4给水流量t/h58.5355.567.3减温水流量t/h1.600.62烟气温度℃148126121氧含量%6.734.295.76冷空气温度℃343431燃料温度℃282929灰渣温度℃826832815测试烟温℃134125.6121O2%11.2COppm130130130表面温度℃41.347460.0130.013合计给水量60.1355.567.9298800Pa