熱電聯產鍋爐效率計算程序

1、現場煤樣分析MtMadVadAadFcadQnet,v,arStH ad入爐煤樣7.20.8117.5629.0852.5520.2512.357.80.7614.2632.5652.4219234.70.36126481#渣樣2#渣樣4564.05420735.46.025.161#飛灰樣 2#飛灰樣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#煤質分析入爐煤O2混合樣工業(yè)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確定值元素Har3.133.25Car57.2656.78Oar2.523.91Nar0.930.86St,ar1.751.98A

4、ar27.2126.82Mt7.26.4Mad0.810.82計算值Qnet,ar22.13822.012測試值Qnet,ar22.15822.03差值-4.866-4.350Ad29.31747152 28.65497鍋爐測算數據綜合表序號名稱符號單位數據來源或計算公式1#2#3#（一）燃料特性1燃料收到基元素碳Car%化驗數據57.2656.782燃料收到基元素氫Har%化驗數據3.133.253燃料收到基元素氧Oar%化驗數據2.523.914燃料收到基元素硫Sar%化驗數據1.751.985燃料收到基元素氮Nar%化驗數據0.930.866燃料收到基灰分Aar%化驗數據27.2126.

5、827燃料收到基水分Mar%化驗數據7.26.48燃料干燥無灰基揮發(fā)分Vaf%化驗數據25.0520.769燃料收到基低位發(fā)熱值Qnet,v,arkJ/kg化驗數據2215822030（二）鍋爐正平衡熱效率10大氣壓力PoMPa測試數據0.1020.10211鍋爐蒸發(fā)量Dt/h測試數據61.15128.5612蒸汽壓力PMPa測試數據3.653.6413過熱蒸汽溫度tq測試數據442.744814過熱蒸汽焓hgqkJ/kg查 表3317.33327.015主給水流量Ggst/h測試數據62.9845132.416816主給水壓力PgsMPa測試數據6.3617主給水溫度Tgs測試數據15013

6、818主給水焓hgskJ/kg查 表593.0584.019燃料消耗量Bt/h測試數據8.8618.6620燃料溫度tr測試數據131321燃料干燥基比熱cr,dkJ/kgK查 表0.9980.99822燃料比熱crkJ/kgKcr=crd(100-Mar)/100+4.1868Mar/1001.2281.20223燃料物理顯熱QrxkJ/kgQrx=cr(tr-0)15.9615.6324輸入熱量QrkJ/kgQr=Qnet,v,ar+Qrx+Ql22173.9622045.6325鍋爐正平衡熱效率1%1=(Dhgq(Ggs+Gjw)hgs)/(BQr)84.2485.1826(三）27爐渣

7、含碳量Clz%化驗數據4.154.5628飛灰含碳量Cfh%化驗數據15.5515.2229爐渣純灰占燃料灰百分比alz%按標準取值10.0010.0030飛灰純灰占燃料灰百分比afh%100-alz90.0090.0031機械未完全燃燒熱損失q4%6.866.6532排煙處RO2容積百分比RO2%測試數據15.5014.5633排煙處氧氣容積百分比O2%測試數據5.54.634燃料特征系數0.120.1135排煙處CO容積百分比CO測試數據0.1500.13036排煙處氮氣容積百分比N2%N2=100-RO2-O2-CO78.8580.7137排煙處過?？諝庀禂礱py1.351.2738排煙

8、溫度py測試數據16116039排煙處每標米3RO2氣體比熱Cp(RO2)kJ/Nm3.K查 表1.78851.788540排煙處每標米3過剩氧氣比熱Cp（O2）kJ/Nm3.K查 表1.32831.32821.300041排煙處每標米4過剩一氧化碳氣比熱Cp(CO)kJ/Nm3.K查 表1.30501.30491.296342排煙處每標米3氮氣體比熱Cp(N2)kJ/Nm3.K查 表1.29811.298143排煙處每標米3水蒸汽比熱cp(H2O)kJ/Nm3.K查 表1.51561.515544排煙處每千克飛灰焓(ctpy)fhkJ/kg查 表132.19131.3045干煙氣比熱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理論干空氣量(V0gk)dNm3/kg0.0889Cr,ar+0.265Har-0.0333（Oar-Sra）5.485.4549理論RO2容積VRO2Nm3/kg1.866（Cr,ar+0.375Sar）/1000.970.9650理論氮氣容積（a=1）V0N2Nm3/

10、kg0.79(V0gk)d+0.008Nar4.344.3151理論水蒸汽容積（a=1）V0H2ONm3/kg0.111Har+0.0124Mar+0.0161(V0gk)d0.530.5352l理論干煙氣量(V0gy)dNm3/kg(V0gy)d=VRO2+VON25.315.2753干煙氣量VgyNm3/kgVpy=(Vogy)d+(py-1)(Vogk)d7.226.730.0054煙氣中水蒸氣容積VH2ONm3/kgVH2O=VoH2O+0.0161（py-1）(Vogy)d0.55640.550855氣體不完全燃燒熱損失q3%Vpy/Qr126.28CO（100-q4）0.620.5

11、056冷空氣溫度t0測試數據151557排煙熱損失q2%q2=(Vgy.cgy+VH2O)(py-to)/Qr1007.106.6258額定負荷下散熱損失q5%查 表1.511.5159散熱損失q5%q5De/D0.860.4160爐渣溫度thz經驗數據80080061爐渣焓(ct)hkJ /kg查 表76776762灰渣物理熱損失q6%0.270.2763熱損失之和q%q2+q3+q4+q5+q615.7114.4564鍋爐反平衡熱效率2%100-q84.2985.5565鍋爐噸蒸汽耗標煤bkgce/tBQr/D29300109.7109.266正反平衡差%1-2-0.05-0.3767鍋爐

12、表面溫度tbm測試數據41.34768熱收入熱支出項目部頒2#爐3#爐項目部頒2#爐代號kJ/kg%kJ /kg%代號kJ/kg燃料燃燒化學熱Qnet,v,ar2215899.932203099.93蒸汽帶走熱量q10.0燃料物理顯熱Qrx16.00.0715.630.07排煙熱損失q20氣體未完全燃燒熱損失q30機械未完全燃燒損失q40爐壁散熱損失q50灰渣物理熱損失q60其它損失及測算誤差22174合計22174.010022045.6100.00合計22174.02#燃煤1#2#1#爐渣含碳量5.165.16 全 水 分Mt （%）7.2飛灰含碳量10.0910.09水 分 Mad（%）

13、0.81灰 分 Aad（%）29.08揮 發(fā) 分Vad（%）17.56焦渣特征CRC3固 定 碳FCad（ %）52.5522030.1168全 硫St,ad（ %）1.87彈筒發(fā)熱量 Qb,ad(KJ/kg )245515515Qnet,v,ar（KJ/kg）221588400Qnet,v,ar（kcal/kg）5298.95515.000碳 Cad（%）61.2023061.50.0氫 Had（%）3.3535125.4氮 Nad（%）1.00氧 Oad（%）2.69干燥無灰基揮發(fā)分Vdaf (%)25.0518.82137 18.85465213#爐%kJ /kg%0.0000000000000000000100.0022046100.0010022045.6100熱支出2#爐2#6.40.8228.4214.69356.072.124208220305268.360.173.440.914.1420.76三和熱電有限責任公司2005.7.511:3015:30環(huán)境溫度30 大氣壓力988002#爐3#爐4#爐主蒸汽壓力MPa4.995.034.95主蒸汽溫度471471473流量t/h60.