锅炉燃烧系统计算

永丰余新屋1X130T/HCFB燃煤锅炉燃烧计算书序号名称符号单位公式及来源DesignFuel100%BMCRDesignFuel100%BMCR(水分修正)备注一原始数据1锅炉本体数据1.1蒸发量D0t/h75751.2过热蒸汽温度t0oC4504501.3过热蒸汽压力（绝对压力）P0MPa4.304.301.4给水压力（省煤器进口）PgsMPa4.404.401.5给水温度tgsoC1501501.6排烟温度tpyoC1551551.7锅炉效率ngl%88.0088.00低位热效率1.8机械未完全燃烧热损失q4%1.001.001.9炉膛出口负压HtPa20201.10炉膛出口过剩空气系数alt-1.201.201.11炉膛漏风系数dtalt-0.000.001.12过热器漏风系数dtagr-0.000.001.13省煤器漏风系数dtasm-0.040.041.14空预器漏风系数dtaky-0.030.031.15空预器出口热风温度trkoC190.00190.001.16炉膛出口温度tFoC700.0700.02环境条件2.1空气含湿量dkg/kg根据：平均气温20℃/相对湿度77%查空气焓湿图9.509.50dkvg/Nm312.2812.282.2环境温度tKoC30.030.02.3当地大气压力PkPa101.400101.4003标准空气密度r0kg/Nm31.2931.2934标准烟气密度rY0kg/Nm31.3401.3405烟囱高度hm80.0080.006石灰石条件6.1石灰石纯度KCaCO3-0.940.946.2碳酸钙分解率βCaCO3-0.990.99第1页，共9页永丰余新屋1X130T/HCFB燃煤锅炉燃烧计算书序号名称符号单位公式及来源DesignFuel100%BMCRDesignFuel100%BMCR(水分修正)备注6.3石灰石逃逸率PCaCO3-0.150.156.4石灰石脱硫性能系统K-0.80.8已考虑分解率的影响。二燃料特性1水分War%64.0050.001.3888888892灰分Aar%2.633.653碳Car%17.5724.404氢Har%2.273.155氧Oar%13.2118.356氮Nar%0.250.357硫Sar%0.070.108水分（分析基）Wad%9挥发份（干燥无灰基）Vdaf%27.3727.3710热值核查Qgr.arkJ/kg339*Car+1256*Har+109*(Sar-Oar)73751024311合同高位热值GCVkJ/kg12偏差%13低位发热量（门捷列夫公式）Qnet,v,ar'kJ/kg5254827514低位发热量Qnet,v,arkJ/kg63309768业主提供15灰分中CaO含量ACaO%0.000.0016燃料自脱硫钙硫摩尔比mz-0.0057*Aar*ACaO/Sar0.000.0017燃料自脱硫能力系数A-根据“燃料自脱硫钙硫摩尔比”和CFB床温选取0.80.8三燃烧计算1燃料的低位发热量Qsrkj/kgQnet,v,ar-Sar(52.136m-154.208Ks)633097682锅炉燃料消耗量2.1排污率dn%1.001.002.2过热蒸汽焓igrkJ/kg3327.133327.132.3给水焓igskJ/kg635.58635.582.4饱和炉水焓ibhkJ/kg1115.381115.38锅筒压力4.4MPa.a2.5再热蒸汽流量Dzrt/h0.000.00没有2.6再热器进口蒸汽焓i'zrkJ/kg0.000.00没有2.7再热器出口蒸汽焓izrkJ/kg0.000.00没有2.8锅炉有效吸热量Q1kj/h{D0[(igr-igs)+dn/100(ibh-igs)]+Dzr(izr-I'zr)}*103202226100202226100第2页，共9页永丰余新屋1X130T/HCFB燃煤锅炉燃烧计算书序号名称符号单位公式及来源DesignFuel100%BMCRDesignFuel100%BMCR(水分修正)备注2.9锅炉燃料消耗量Bskg/hQ1/nsgl*100/QSr36303.69523526.5782.10计算燃料消耗量Bsjkg/hBS(100-q4)/10035940.65823291.3123空预器出口烟气成分及烟气量3.1出口过剩空气系数apy-alt+dtagr+dtasm+dtaky1.2701.2703.2脱硫前3.2.1烟气成分1)理论空气量V0SNm3/kg0.0889Car+0.265Har-0.0333Oar+0.0333Sar1.7262.3972)理论烟气量V0SYNm3/kgV0SRO2+V0SN2+V0SH2O2.7663.359三原子气体体积V0SRO2Nm3/kg0.01866Car+0.007Sar0.3280.456理论氮体积V0SN2Nm3/kg0.79V0S+0.008Nar1.3661.897理论水蒸气体积V0SH2ONm3/kg0.111Har+0.0124War+0.00124*dkv*V0S1.0721.0063)干烟气量Vgy'Nm3/kgV0SRO2+V0SN2+(apy-1)V0S2.1603.0004)实际烟气量Vy'Nm3/kgV0SY+(0.00124*dkv)*(apy-1)V0S+(apy-1)V0S3.2394.0165)烟气中的水分VH2O'Nm3/kgVH2O0S+(0.00124*dkv)*(apy-1)V0S1.07901.01636)烟气中的氧量VO2'Nm3/kg0.21(apy-1)V0S0.09790.13597)干烟气中含氧量ngo2'%VO2'/Vgy'*1004.53094.53098)湿烟气中含氧量nsho2'%VO2'/Vy'*1003.02153.38439)湿烟气中含湿量nH2O'%VH20'/Vy'*10033.313325.306110)湿烟气中CO2含量nshCO2'%0.01866Car/Vy'*10010.122711.338111)干烟气中CO2含量ngCO2'%0.01866Car/Vgy'*10015.179515.179510)湿烟气中SO2含量nshSO2'%0.007Sar/Vy'*1000.01510.016911)干烟气中SO2含量ngSO2'%0.007Sar/Vgy'*1000.02270.022712)湿烟气中N2含量nshN2'%(0.79apyV0S+0.008Nar)/Vy'*10053.527459.954513)干烟气中N2含量ngN2'%(0.79apyV0S+0.008Nar)/Vgy'*10080.266980.26693.2.2标态烟气量1)总燃烧产物实际湿体积VtshyNm3/hVy'*BjS*1000116405935412)总燃烧产物实际干体积VtgyNm3/hVgy'*BjS*100077627698703)总燃烧产物6%O2干体积Vtgy-O2Nm3/hVtgy*(21-ngo2')/(21-6)8523076712第3页，共9页永丰余新屋1X130T/HCFB燃煤锅炉燃烧计算书序号名称符号单位公式及来源DesignFuel100%BMCRDesignFuel100%BMCR(水分修正)备注3.2.3SO2浓度计算1)脱硫前SO2量Mkg/hBjS*Sar/100*0.7*64/22.4150.2945.27未考虑燃料自脱硫kmol/hM/640.790.712脱硫前SO2浓度Cso2'mg/Nm3M/Vtshy*106（标态，湿基，实际含氧量）432484ppmCso2*22.41/64151.29169.46mg/Nm3M/Vtshy*106（标态，干基，6％O2）5905903.3脱硫要求1)环保排放值Cso2mg/Nm3排放要求1500mg/Nm3（标态，干基，6％O2）590.11590.112)脱硫效率Ks-按CFB脱硫率80%设计0.0000.0003)钙硫比m--ln[(1-Ks)/A]/K0.000.003.4脱硫后3.4.1烟气成分1)理论空气量V0S'Nm3/kg0.0889Car+0.265Har-0.0333Oar+0.0333(0.5Ks+1)Sar1.7262.3972)理论烟气量V0S'YNm3/kgV0S'RO2+V0S'N2+V0S'H2O2.7663.359三原子气体体积V0S'RO2Nm3/kg0.01866Car+0.007Sar(m/(1-Pcaco3)+1-Ks)0.3280.456理论氮体积V0S'N2Nm3/kg0.79V0S'+0.008Nar1.3661.897理论水蒸气体积V0S'H2ONm3/kg0.111Har+0.0124War+0.00124*dkv*V0S'1.0721.0063)干烟气量VgyNm3/kgV0S'RO2+V0S'N2+(apy-1)V0S'2.1603.0004)实际烟气量VyNm3/kgV0S'Y+(0.00124*dkv)*(apy-1)V0S'+(apy-1)V0S'3.2394.0165)烟气中的水分VH2ONm3/kgVH2O0S'+(0.00124*dkv)*(apy-1)V0S'1.07901.01636)烟气中的氧量VO2Nm3/kg0.21(apy-1)V0S'0.09790.13597)干烟气中含氧量ngo2%VO2/Vgy*1004.53094.53098)湿烟气中含氧量nsho2%VO2/Vy*1003.02153.38439)湿烟气中含湿量nH2O%VH20/Vy*10033.313325.306110)湿烟气中CO2含量nshCO2%[0.01866Car+0.007Sarm/(1-Pcaco3)]/Vy*10010.122711.338111)干烟气中CO2含量ngCO2%[0.01866Car+0.007Sarm/(1-Pcaco3)]/Vgy*10015.179515.179510)湿烟气中SO2含量nshSO2%0.007Sar(1-Ks)/Vy*1000.01510.016911)干烟气中SO2含量ngSO2%0.007Sar(1-Ks)/Vgy*1000.02270.0227第4页，共9页永丰余新屋1X130T/HCFB燃煤锅炉燃烧计算书序号名称符号单位公式及来源DesignFuel100%BMCRDesignFuel100%BMCR(水分修正)备注12)湿烟气中N2含量nshN2%(0.79apyV0S'+0.008Nar)/Vy*10053.527459.954513)干烟气中N2含量ngN2%(0.79apyV0S'+0.008Nar)/Vgy*10080.266980.26693.4.2标态烟气量1)总燃烧产物实际湿体积Vtshy'Nm3/hVy*BjS*1000116405935412)总燃烧产物实际干体积Vtgy'Nm3/hVgy*BjS*100077627698703)总燃烧产物6%O2干体积Vtgy-O2'Nm3/hVtgy'*(21-ngo2')/(21-6)85230767123.4.3实际烟气量Qs'pym3/hVtshy'*(273+tpy)/273*101.3/P182316146506四石灰石消耗量计算1石灰石耗量bCaCO3kg/kg0.031236*m*Sar/KCaCO3/(1-PCaCO3)0.0000.0002石灰石消耗量BCaCO3kg/hBSj*bCaCO30.000.00五烟风量及阻力计算1烟气量计算1.1除尘器入口烟气量1.1.1烟道漏风系数dtl-c-0.0200.02020米1.1.2除尘器进口过剩空气系数acc1-apy+dtl-c1.2901.2901.1.3除尘器进口烟温tyc1oC(apy*tpy+dt1-c*tk)/((apy+dt1-c)153.062153.0621.1.4除尘器进口烟量（标态）QccN1Nm3/h[V0S'y+(1