烟气焓温表
烟气焓温表
3792.341
3873.33 1324.222
3927.322778
5015.70975
5124.669 1332.327 5233.627 1360.297
6079.801
6217.397
6354.993316 1339.284 6492.59 1367.921 6630.186 1396.559
空预器 1.39
1321.208 1308.004 2674.105 1352.897 1342.501 4062.304 1388.199
烟气焓温表 烟气（或空气）温度（℃)
理论烟气的焓
100 200 300 400 500 600 700 800 900 1000
单位
炉膛
后屛过热器
1.15 1.2 1.175 7.7432 0.49888852 8.24208852 0.154087158 0.060529381 0.21461654 21.51153795 11.084485 4.12155E-05
温度12345678910111213141516171819202122理论烟气的焓100974961720019776913003009447340040714004500516249256006282216670074298868800860178969009792109810001100144711001222803011200134684736130014725035140015988212815001726268116001854696481700198415993180021138370219002244274682000237509222100250708143220026386646烟气焓温表顺序理论空气的焓1002729310317563106195311091092111197241114767021171902811903202120933721226583112404435125656141263177812744682128428381294634512967709130437661308175213198923131583178878107217856774426996337636319590445865416556257696655865728756962048859667328963565921069214256117550617612833132139188448150095856161089075217211447361831438944194337563220551782421679328162280459456差差飞灰的焓ro2n289786672913956329323252895458256976035369960803210109632102705281062919210857128109074081125266414325842998143467540163828812920599252541175853613602456154942471744632194320821382382411282785383311693432445936630183872232422860544537764680724893481700335746558817718899435122466146188170488195228220352458392716562976743239043
锅炉烟气焓温表
100170.03129.58150.52200357.46259.92304.46300558.81392.01462.72400771.88526.52626.16500994.35663.8794.856001224.66804.12968.887001461.88947.521148.848001704.881093.61334.49001952.281241.551526.0410002203.51391.71722.911002458.391543.741925.1112002716.561697.162132.2813002976.741852.762343.6414003239.042008.722559.215003503.121662779.0516003768.82324.483001.7617004036.312484.043229.3218004304.72643.663458.3419004574.062804.213690.3720004844.229653925.621005115.393127.534163.2522005386.483289.224401.98温度CO2N2H2O理论空气量 6.053理论氮容积 4.787ＲＯ２容积 1.151理论干烟气容积0.4631理论水蒸气容积0.4631项目名称炉膛、后屏、凝渣管高温过热器低过烟道进口过量空气系数 1.2 1.23 1.26烟道出口过量空气系数 1.2 1.2 1.23烟道平均过量空气系数 1.2 1.215 1.245干烟气容积 1.6737 1.764495 1.946085水蒸气容积0.482590660.484052460.486976059烟气总容积 2.15629066 2.24854746 2.433061059 Ro2气体占烟气容积份额0.5337870360.5118860160.473066632水蒸气占烟气容积份额0.2238059410.2152734010.200149543三原子气体和水蒸气占烟气0.7575929770.7271594170.673216175容积飞灰浓度146.0842018140.0904387129.4665413烟气质量10.136261610.2548398710.49199641质量飞灰浓度0.0310765460.0307172030.030022885885.709802132.43801.5987925.452130.04 1796.668926266.361612.2770853.2665261.42 2734.027812402.692437.4825783.0655395.16 3698.859816541.763279.27328113.4531.56 4690.202485684.154141.15995144.4275671.35 5707.594428829.745022.41622176.337813.9 6750.429924978.325921.77096208.908959.56 7815.340721129.126834.56336241.6681107.36 8897.0832541282.327761.88296275.27851257.84 9996.171391437.38699.9769309.961409.7 11111.008711594.899653.86917345.241563.54 12238.524351753.4410613.57232379.891719.24 13380.729541914.2511586.95525428.41876.16 14529.04322076.212567.2386494.8652033.92 15687.688162238.913552.0617553.772193 16855.289622402.8814544.63264576.452353.28 18032.390382567.3415540.10902650.792513.96 19211.467372731.8616535.94858687.962676.06 20397.506682898.8317546.61799742.772838.41 21587.074563065.618556.0768791.283002 22787.301083233.7919574.13087831.63165.33 23983.891563401.6420590.12692869.43329.7理论烟气焓湿空气理论空气焓飞灰的焓干空气高温省煤器高温空气预热器低温省煤器低温空气预热器1.28 1.31 1.31 1.331.26 1.28 1.33 1.361.27 1.295 1.32 1.3452.09741 2.248735 2.40006 2.5513850.4894123910.4918487240.4942850560.4967213892.586822391 2.7405837242.8943450563.0481063890.444947440.419983520.3976720040.3776114920.1891944310.17946860.1707761330.1629606470.6341418710.599452120.5684481370.540572138121.7710196114.9390173108.8329117103.342849610.6896268610.8872573111.0848877611.282518210.029467820.028*******.028*******.027919299130.1780.81071.481561100.909282910.959124 261.42169.12172.3908421132.198984937.358886 395.01263.73304.5898261163.524646964.832004 531.563604468.1144721194.747503991.342669 671.35458.55662.8619751225.5526971017.391943 814.44559.86888.4146721255.2774441042.835496 960.4663.28143.6921161280.2292761064.910796 1108.96767.29423.9213921300.8169541081.742534 1259.64873.910724.738351321.3884241099.088136 1412.698412046.126771340.8957751114.837321 1567.28109613387.022551354.1062671127.515637 1723.32120614741.128811385.3917821142.205196 1880.45136016126.520591410.8353261148.313656 2038.4157117537.355921414.5145751158.644955 2198.7175818951.87051388.7956491167.601461 2359.36183020340.666141450.5360421177.100766 2520.25206621791.202191415.4149041179.076992 2682.182********.617091442.9831851186.039303 2844.68235824649.600281439.9696451189.567883 3007.8251226089.569921444.1573291200.226515 3171.42264027533.727251437.5896931196.590483 3335.2276028971.31694#VALUE!#VALUE!CO飞灰、炉渣Hy焓增理论烟气焓增a”= 1.2炉膛、屏、凝渣管1095.5295241125.2296311119.5774871149.551135.6094631165.76355 2220.7591541156.9551492269.1274671181.7112301.3730081198.21542 3377.7143031188.7783673450.838781214.0323499.5884321230.8679 4566.492671220.6041034664.8708691246.4614730.4563341263.69844 5787.0967741251.9903855911.3315721278.4285994.1547711296.0532 7039.0871591282.2580867189.7596451309.2397290.207971327.22582 8321.3452451307.6130488498.9983741334.9978617.4337931353.25267 9628.9582931328.6365429833.9951941356.4569970.6864611375.00252 10957.594831349.53124211190.451321377.67411345.688981396.43594 12307.126081369.51254312568.125381398.12912742.124921417.20716 13676.638621382.89736213966.25471411.68814159.332081430.88252 15059.535981414.5932715377.943151443.79515590.21461463.26242 16474.129251440.24382716821.737911469.65217053.477011489.25799 17914.373081444.0592*******.390241473.60418542.735011493.30042 19358.432351418.57277719764.99421448.3520036.035431468.20132 20777.005121480.40033321213.34411510.26521504.236761530.17415 22257.405461445.29009122723.608731475.16523034.410911495.08207 23702.695551473.30326724198.7741503.62324529.492981523.83674 25175.998811470.25340925702.397351500.53726053.329711520.72635 26646.252221474.69895127202.934531505.24127574.056061525.60165 28120.951181468.06957528708.17511498.54929099.657721518.86938 29589.02075#VALUE!30206.72456#VALUE!30618.5271#VALUE! Hy焓增Hy焓增Hy焓增a”= 1.23a”= 1.26a”= 1.28高温过热器低温过热器高温省煤器1159.6574271190.0842349.7413211222.9723572.7129091256.1224828.8345331289.5556118.389571322.4917440.8804561354.2068795.0869221380.63610175.723361402.82211578.545471424.57913003.124231445.82414448.948151459.67415908.621771492.46417401.085671518.66618919.752171522.84520442.597281497.97821940.575731560.03823500.614181524.95725025.571431554.15726579.728251551.0128130.738371556.14329686.881641549.34931236.2309#VALUE! Hy焓增a” 1.31高温空气预热器。
空气、烟气焓的计算及温焓表
锅炉热平衡计算、热力计算中，均用 到空气焓和烟气焓。
空气焓或烟气焓：定压（通常为大气 压力，0.1MPa）条件下，将1kg燃料燃烧 所需的空气量或所产生的烟气量从0C加热
到t C (空气)或C（烟气）时所需的热量，
焓以符号H表示，单位为 kJ/kg。
一、空气焓的计算
(c
)h
(c )h－1kg灰在C时的焓值，查表3-5；
Aa r 100
f
h
－1kg燃料中的飞灰质量，单位为
kg/kg。
表3-6
烟气携带飞灰的质量份额 fh
炉子型式
固态排渣煤粉 炉
液态排渣煤粉 炉
卧式旋风炉 立式前置炉 鼓泡流化床炉
fh
0.9～0.95
0.7～0.85
0.1～0.15 0.2～0.4 0.5～0.6
3．根据各个过量空气系数下的烟气温度和焓， 绘制成焓－温表，将焓－温表中的温焓关系 画成曲线则成为焓温图，如图3-3所示。
1 2 3 H,kJ/kI 4
图3-3 焓－温图
，℃
表3-8 烟气焓－温表
y
H
0 y
H
0 k
H fh
（℃） kJ/kg kJ/kg kJ/kg
Hy
H
0 y
(
1)Hk0
Hfh
1
2
……
……
Hy Hy Hy
Hy Hy Hy
100
200
300
……
… …
Hy
H
0 y
(
1)Hk0
Hfh
（3-58）
H
0 y
烟气焓温表
烟气焓温表 烟气（或空气）温度（℃)
理论烟气的焓
100 200 300 400 500 600 700 800 900 1000
单位
炉膛
后屛过热器
1.15 1.2 1.175 7.7432 0.49888852 8.24208852 0.154087158 0.060529381 0.21461654 21.51153795 11.084485 4.12155E-05
空预器 1.39
1321.208 1308.004 2674.105 1352.897 1342.501 4062.304 1388.199
1.2 1.2 1.2 7.9108 0.50158688 8.41238688 0.150967855 0.059624799 0.210592654 21.07606349 11.30324 4.04179E-05
974.9617 1977.691 3009.4473 4071.4004 5162.4925 6282.2166 7429.8868 8601.7896 9792.1098 11001.447
19.86937102 19.06874 18.59201
12.222011
11.696999
11.959505 12.44077 12.74702
3.73795E-05 3.90573E-05
3.82E-05 3.67E-05 3.58E-05
N2
170.03 357.46 558.81 771.88 994.35 1224.66 1461.88 1704.88 1952.28 2203.5
897.86672 913.95632 932.32528 954.58256 976.03536 996.08032 1010.9632 1027.0528 1038.98592
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炉膛，后屛过热器（l,hp)
漏风ΔaΔal=0.05 Δahp=0
出口a'' 1.2烟气特性表
项目名称符号
烟道进口过量空气系数a'
烟道出口过量空气系数a''
烟气平均过量空气系数apj
过剩空气量ΔV
水蒸气容积Vh2o
烟气总容积Vy
RO2气体占烟气容积份额rRO2
水蒸气占烟气容积份额Rh2o
三原子气体和水蒸气占烟气容积份额rn
烟气质量Gy
飞灰无因次浓度μh
烟气焓温表
顺序
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
对流过热器（dlgr）高温再热器（gzr）低温再热器，旁路省煤器（dzr，psm）
1.2 1.25 1.28
0.050.030.03
1.25 1.28 1.31单位l,hp dlgr
1.2 1.2
1.2 1.25
1.2 1.225
1.0244 1.15245
0.519492840.521554445
6.56189284 6.692004445
0.1467564350.143903072
0.0791681380.077936954
0.2259245730.221840027
8.74019848.9074317
0.029*******.028998258
理论烟气的焓理论空气的焓
烟气（或空气）温度（℃
100766.813676.104
2001552.4691362.452
3002360.7662064.166
4003195.2992776.124
5004049.6273503.448
6004927.3024251.26
7005829.9935009.316
8006749.0875782.738 9007683.6646566.404 10008633.6817360.314 11009596.2498169.59 120010570.2028978.866 130011559.7989803.508 140012552.82910633.272 150013554.35611468.158 160014567.42812308.166 170015583.47513148.174 180016606.50913993.304 190017629.12614848.678 200018662.62515704.052 210019703.77416564.548 220020738.78217425.044
主省煤器（sm）空气预热器（ky）
1.31 1.34
0.030.2
1.34 1.54
gzr dzr,psm sm ky
1.25 1.28 1.31 1.34
1.28 1.31 1.34 1.54
1.265 1.295 1.325 1.44
1.35733 1.51099 1.66465
2.25368
0.5248530130.5273269390.5298010.539284
6.900183013
7.0563169397.2124517.810964
0.1395615160.1364734620.1335190.123288
0.0760636370.0747311870.0734560.069042
0.2156251520.2112046490.2069760.19233
9.175004989.375684949.57636510.34564
0.028*******.027*******.0269730.024967
飞灰的焓ro2N2H2O空气飞灰炉膛，后屛过热器1.2
20.922317013015113281
43.6527358260305266169
68.1912559392463403264
92.988772527626542360
118.30149946647956844584750.317 144.906312258049698305615777.554 171.2529146294811499786636831.856
198.374417051094133411297687905.635 225.754219521242152612828748996.945 254.1672220413921723143798410105.74 283.09682458154419251595109611230.17 311.50982717169721321753120612365.98 351.2882977185323441914136013520.5 405.78933239200925592076157114679.48 454.09143503216627792239175815847.99 472.6893769232530022403183017029.06 533.64784036248432292567206618213.11 564.12724305264434582732218419405.17 616.04554572280436902899238520598.86 648.84964844296539263066251221803.44 681.9125115312841633234264023016.68 712.9085387328944023402276024223.79
对流过热器1.25高温再热
器
1.28
低温再热
器，旁路
省煤器
1.31
3000.657
3972.6144055.8971055.24
4925.4895030.5921057.9795135.6961079.798
5990.1171064.6286117.6551087.0626245.1931109.497 1054.3027082.3221092.2057232.6011114.9477382.8811137.688
1073.7788194.77151112.458368.2541135.652 1091.319325.2651130.494
1108.799
1124.423
1135.808
1213.248
1207.107
主省煤器1.34
空预器热
段
1.44
空预器冷
段
1.54
1064.2991131.909
2015.702682151.9481087.6492288.1931156.284 3062.582441046.883268.9991117.0513475.4161187.223 4139.181161076.599
5240.799321101.618
6372.73041131.931。