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各种燃料低位热值燃料名称热值MJ热值kcal标准煤折算率固体燃料焦炭25.12-29.31MJ/kg6000-7000kcal/kg0.857-1.000无烟煤25.12-32.65MJ/kg6000-7800kcal/kg0.857-1.114烟煤20.93-33.50MJ/kg5000-8000kcal/kg0.714-1.143褐煤8.38-16.76MJ/kg2000-4000kcal/kg0.286-0.572泥煤10.87-12.57MJ/kg2600-3000kcal/kg0.371-0.429石煤4.19-8.38MJ/kg1000-2000kcal/kg0.143-0.286干木材12.5MJ/m33000kcal/m³1.2标准煤29.308MJ/kg7000kcal/kg1.000液体燃料原油41.03-45.22MJ/kg9800-10800kcal/kg1.400-1.543重油39.36-41.03MJ/kg9400-9800kcal/kg1.343-1.400柴油46.04MJ/kg11000kcal/kg1.571煤油43.11MJ/kg10300kcal/kg1.471汽油43.11MJ/kg10300kcal/kg1.471沥青37.69MJ/kg9000kcal/kg1.286焦油29.31-37.69MJ/kg7000-9000kcal/kg1.000-1.286气体燃料天然气36.22MJ/Nm38650kcal/Nm31.236油田伴生气45.46MJ/Nm310850kcal/Nm31.551矿井气18.85MJ/Nm34500kcal/Nm30.643焦炉煤气18.26MJ/Nm34350kcal/Nm30.623直立炉煤气16.15MJ/Nm33850kcal/Nm30.551油煤气(热裂)42.17MJ/Nm310200kcal/Nm31.439油煤气(催裂)18.85-27.23MJ/Nm34500-6500kcal/Nm30.643-0.929发生炉煤气5.01-6.07MJ/Nm31200-1450kcal/Nm30.171-0.207水煤气10.05-10.87MJ/Nm32400-2600kcal/Nm30.343-0.371两段炉水煤气11.72-12.57MJ/Nm32800-3000kcal/Nm30.400-0.429混合煤气13.39-15.06MJ/Nm33200-3600kcal/Nm30.457-0.514高炉煤气3.52-4.19MJ/Nm3840-1000kcal/Nm30.120-0.143转炉煤气8.38-8.79MJ/Nm32000-2100kcal/Nm30.286-0.300沼气18.85MJ/Nm34500kcal/Nm30.643液化石油气(气态)87.92-100.50MJ/Nm321000-24000kcal/Nm33.000-3.429液化石油气(液态)45.22-50.23MJ/kg10800-12000kcal/kg1.543-1.714电能3.6MJ/kWh860kcal/kWh0.12291Cal(卡)=4.18J(焦耳),1大卡=1000卡=1kCal=4.18kJ=0.00418MJ。常见燃料热值表能源名称平均低位发热量备注机油8571kcal/kg石蜡10714kcal/kg丙酮14692kcal/kg粗醇3600千卡/kg含水10%燃料油10000千卡/kg标准煤的低位发热量为29271KJ(千焦)/Kg(即7000千卡/公斤)原煤20908千焦(5000千卡)/千克洗精煤26344千焦(6300千卡)/千克其它洗煤1、洗中煤8363千焦(2000千卡)/千克2、煤泥8363-12545千焦(2000-3000千卡)/千克焦炭28435千焦(6800千卡)/千克原油41816千焦(10000千卡)/千克燃料油41816千焦(10000千卡)/千克汽油43070千焦(10300千卡)/千克煤油43070千焦(10300千卡)/千克柴油42652千焦(10200千卡)/千克液化石油气50179千焦(12000千卡)/千克炼厂干气45998千焦(11000千卡)/千克天然气38931千焦(9310千卡)/m354525千焦(13039千卡)/千克焦炉煤气16726-17981千焦(4000-4300千卡)/m3氢气12753千焦耳(3049.55千卡)/M3142836千焦耳(34155千卡)/千克其它煤气:1、发生炉煤气5227千焦(1250千卡)/m32、重油催化裂解煤气19235千焦(4600千卡)/m33、重油热裂解煤气35544千焦(8500千卡)/m34、焦炭制气16308千焦(3900千卡)/m35、压力气化煤气15054千焦(3600千卡)/m36、水煤气10454千焦(2500千卡)/m3煤焦油33453千焦(8000千卡)/千克粗苯41816千焦(10000千卡)/千克298Kº(25℃)常见燃气成份的燃烧热kJ/MolkCal/MolkCal/NM3CH4890.36212.809493.6C2H61559.9372.8216632.6C3H82220.0530.5823670.8C4H102878.5687.9630692.0C5H123536.1845.1337703.8C2H41411.0337.2315044.8C2H21299.6310.6013856.8C6H6(g)3293.6787.1735118.0CH3OH(l)726.6173.66C2H5OH(l)1366.9326.69H2285.868.313047.5CO285.62468.2643045.5
本文标题:各种燃料低位热值和298K
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