煤气燃烧计算

一、煤气完全燃烧计算1、燃料部分单一可燃气体热效应，单位：kJ/Nm3（热效应数值摘自《工业炉设计手册 第2版》P89-90，在《炼铁设计参考资料》P782也有）可燃成分 H2COCH4C2H4C3H6C3H8C4H10热效应108051265035960598138693990485117875各种煤气成分列表如下：（成分如有变动，请相应调整）煤气种类 H2COCH4C2H4C3H6CO2N2H2OO2C3H8C4H10高炉煤气2.30%23.40%0.00%0.00%0.00%14.60%54.70%5.00%0.00%0.00%0.00%焦炉煤气56.06%8.72%24.24%0.00%2.01%1.92%2.40%4.17%0.48%0.00%0.00%发生炉煤气13.33%27.40%1.50%0.00%0.00%3.80%49.60%4.17%0.20%0.00%0.00%高炉煤气与焦炉煤气混合气比例：70.00%：30.00%混合气18.428%18.996%7.272%0.000%0.603%10.796%39.010%4.751%0.144%0.000%0.000%转炉煤气1.40%56.85%0.00%0.00%0.00%17.90%19.30%4.17%0.38%0.00%0.00%天然气0.00%0.00%94.00%0.00%0.00%0.00%0.80%4.17%0.00%0.63%0.40%液化石油气0.00%0.00%0.00%0.00%0.00%0.00%0.00%4.19%0.00%47.905%47.905%请选择煤气种类：1（1高炉煤气，2焦炉煤气，3发生炉煤气，4高炉、焦炉混合煤气，5转炉煤气，6天然气，7液化石油气）所选煤气成分列表如下：H2COCH4C2H4C3H6CO2N2H2OO2C3H8C4H102.300%23.400%0.000%0.000%0.000%14.600%54.700%5.000%0.000%0.000%0.000%分子当量 2281628424428183244581.3053kg/Nm3您选择的是高炉煤气，其低位发热值Qd==3208.62kJ/Nm3折合成千卡Qd=766.36kcal/Nm3或Qd=766.36kcal/Nm3÷1.3053kg/Nm3=587.13=10805kJ/Nm3×2.30%+12650kJ/Nm3×23.40%+35960kJ/Nm3×0.00%+59813kJ/Nm3×0.00%+86939kJ/Nm3×0.00%+90485kJ/Nm3×0.000%+117875kJ/Nm3×0.000煤气燃烧计算所选煤气成分则所选煤气分子当量=2×2.300%+28×23.400%+16×0.000%+28×0.000%+42×0.000%+44×14.600%+28×54.700%+18×5.00%+32×0.000%+44×0.000%+58×0.000%=则所选煤气29.2380kg/kmol÷22.4Nm3/kmol=3208.62kJ/Nm3÷4.1868kJ/kcal=第 1 页，共 10 页2、完全燃烧计算表设有1.000Nm3高炉煤气完全燃烧空气系数α =1.500O2N2CO2H2ON2O2合计H20.0230.012—— ——0.023—— ——0.023CO0.2340.117——0.234—— —— ——0.234CH40.0000.000——0.0000.000—— ——0.000C2H40.0000.000——0.0000.000—— ——0.000C3H60.0000.000——0.0000.000—— ——0.000O20.0000.000—— —— —— —— ————CO20.146————0.146—— —— ——0.146N20.54...