煤气锅炉燃烧计算

宏阳钢铁公司燃烧计算（煤气）序符单项 目公式及依据号号位一原始资料高炉煤气焦炉煤气（一）煤气资料1二氧化碳CO2%14.202.402氧O2%0.400.603一氧化碳CO%25.807.004甲烷CH4%0.6021.005氢H2%1.7063.706碳氢化合物C2H4%0.002.007氮N2%57.303.308发热量QnetkJ/Nm33300.0016400.00（二）锅炉型号及参数1锅炉型号220t/h煤气锅炉2蒸发量Dgt/h186.00220.003过热蒸汽温度tgr0C540.00540.004过热蒸汽压力pgrMPa9.819.815过热蒸汽焓igrkJ/kg3478.893478.896汽包压力pMPa10.9010.907排污率α ps/0.020.028排污水焓ipskJ/kg1446.271446.2710给水温度tgs0C233.50233.5011给水压力pgsMPa11.0011.0012给水焓igskJ/kg914.52914.5213锅炉效率（低位值）η gl/0.880.8814机械未完全燃烧损失q4%0.000.0015排烟温度 tpy ℃160.00160.00设计工况第 1 页，共 14 页宏阳钢铁公司燃烧计算（煤气）（三）当地大气压pbhPa927.10927.10气压修正系数θ1.091.09二燃料消耗量计算1燃料消耗量Bg103Nm3/hDg((igr-igs)+α ps(ips-igs))/(Qydwη gl)165.6439.42三烟气各处流量计算1理论空气量VoNm3/Nm3 0.0476［0.5CO+0.5H2+2CH4+1.5H2S+∑（m+n/4）CmHn-O2］0.693.942N2理论体积VN20Nm3/Nm30.79V0+0.01Nar1.123.143RO2理论体积VRO20Nm3/Nm30.01×(CO2+CO+H2S+CH4+∑mCmHn)0.410.344水蒸汽理论体积VH2O0Nm3/Nm30.01(H2S+H2+2CH4+0.124dgr+∑n/2CmHn)+0.0161V 00.051.175含湿量dgrg/Nm3通常取dgr=10g/Nm310.0010.006燃烧产物理论体积Vy0Nm3/Nm3VN20+VRO20+VH2O01.584.667干燃烧产物理论体积Vgy0Nm3/Nm3VN20+VRO201.533.498空预器出口过剩空气系数α ky/1.401.409空预器出口燃烧产物实际体积VdwyNm3/Nm3Vy0+0.0161(α ky-1)V0+(α ky-1)V01.866.2610空预器出口烟气标准体积Vy103Nm3/hVdwy×Bg308.13246.8911除尘器出口过剩空气系数α cc/1.001.0012除尘器出口燃烧产物实际体积VdwccNm3/Nm3Vy0+0.0161(α cc-1)V0+(α cc-1)V01.584.6613除尘器出口干烟实际体积VdwccNm3/Nm3Vgy0+0.0161(α cc-1)V0+(α cc-1)V01.533.4914除尘器出口标准干烟气量Vcc103Nm3/hVdwcc×Bg252.79137.5415烟囱出口过剩空气系数α yc/1.551.5516烟囱出口燃烧产物实际体积VdwycNm3/Nm3Vy0+0.0161(α yc-1)V0+(α yc-1)V01.976.8617烟囱出口烟气标准体积Vyc103Nm3/hVdwyc×Bg325.61270.5618冷风温度to0C20.0020.00四烟气量计算第 2 页，共 14 页宏阳钢铁公司燃烧计算（煤气）1空预器出...