锅炉设计计算

1、额定蒸发量220.0000t/h 给水温度215.0000 过热蒸汽温度540.0000 过热蒸汽温度表压9.8000mpa - - mar水分6.0000 灰分aar18.8000 碳car61.0000 氢har4.1000 氧oar6.8000 氮nar1.4000 硫sar2.9000 收到基低位法热量25140.0000 干燥无灰基挥发分vdaf40.0000 空气干燥基水分mad2.0000 可磨性系数kkm1.4000 灰灰熔熔点点 变形温度1200.0000 软化温度1500 融化温度 漏漏风风系系数数 1-51-5 制粉系统漏风系数azf0.1000 炉膛al0.0500 屏

2、、凝渣管apn0.0000apn 高温过热器 agg0.0250agg 低温过热器adg0.0250 高温省煤器ass0.0200 高温空预器ask0.0500 低温省煤器axs0.0200 低温预热器axk0.0500 水水压压力力 1-61-6 低温省煤器入口11.5700 高温省煤器入口11.2800 高温省煤器出口11.0800 气包10.9800 低温过热器出口10.4900 屏过出口10.2000 高过冷段出口10.1000 高过热段出口9.9000 p24p24 2-82-8燃燃烧烧计计算算表表 单单位位均均为为 m3/kgm3/kg 理论空气量v06.37966.3796 理论

3、氮容积vn2o5.05115.0511 ro2容积1.15861.1586 理论干烟气容积vgyo6.20976.2097 理论水蒸气容积vh2oo0.63220.6322 飞灰份额afh 0.90-0.950.90000.9000 烟烟气气特特性性表表2-92-9炉膛，屏凝渣管 受热面出口过量空气系数a1.2000 烟道平均过量空气系数apj1.2000 干烟气容积vgy=vogy+（apj-1）vo7.4856 水蒸气容积vh2o0.6528 烟气总容积vy8.1384 ro2 容积分额rro20.1424 水蒸气容积分额rh2o0.0802 三原子气体和水蒸气容积总分额r0.2226 容

4、积飞灰浓度uv20.7904 烟气质量my10.8102 质量飞灰浓度uy0.0157 表表2-102-10 烟烟气气焓焓温温表表- -用用于于炉炉膛膛屏屏高高过过的的计计算算 烟气或空气温度理论烟气焓 理论空气焓 ioy（kj/kg）iok 100.0000 200.0000 300.0000 400.00003949.648143456.23309 500.00005007.457874364.62985 600.00006093.082115293.44146 700.00007206.018466241.32818 800.00008342.728657203.37771 900.00

5、009497.825958180.73836 1000.000010671.761549169.45478 1100.000011862.8779910174.82205 1200.000013067.9008211186.31377 1300.000014288.9127712212.22348 1400.000015516.8545513245.40597 1500.000016756.2150614283.37320 1600.000018005.3450715329.50636 1700.000019265.0935116378.70175 1800.000020527.0875717

6、428.27992 1900.000021796.8059418493.48820 2000.000023070.6633319557.42055 2100.000024356.0561020630.41199 2200.000025637.7728621701.23436 表表2-112-11烟烟气气焓焓温温表表 用用于于低低温温过过热热器器、高高温温省省煤煤气气的的计计算算 烟气或空气温度理论烟气焓iyo理论空气焓iok 300.00002920.03962569.0167 400.00003949.64813456.2331 500.00005007.45794364.6299 600.

7、00006093.08215293.4415 700.00007206.01856241.3282 800.00008342.72877203.3777 表表2-122-12烟烟焓焓表表 用用于于高高温温空空预预器器、低低温温省省煤煤器器的的计计算算 烟气或空气温度理论烟气焓iyo理论空气焓iok 100.0000946.6740844.8556 200.00001919.50791699.2806 300.00002920.03962569.0167 400.00003949.64813456.2331 500.00005007.45794364.6299 600.00006093.0821

8、5293.4415 表表2-132-13 烟烟焓焓表表 用用于于低低温温空空预预器器的的计计算算 烟气或空气温度理论烟气焓iyo理论空气焓iok 100.0000946.6740844.8556 200.00001919.50791699.2806 300.00002920.03962569.0167 400.00003949.64813456.2331 500.00005007.45794364.6299 600.00006093.08215293.4415 表表2-142-14 锅锅炉炉热热平平衡衡及及燃燃料料消消耗耗计计算算0.9993 锅炉输入热量qr25140.0000 排烟温度先估

9、后校130.0000 排烟焓查2-13ipy1667.9855 冷空气温度取用20.0000 理论冷空气焓ilfo168.9711 化学未完全燃烧损失q30.5000 机械未完全燃烧损失q41.5000 排烟处过量空气系数apy1.3900 排烟损失q25.6150 散热损失q50.5000 灰渣损失q60.0002 锅炉总损失q8.1152 锅炉热效率n91.8848 保热系数fai0.9946 过热蒸汽焓p=9.9mpa t=540 igg kj/h3484.9550 给水温度tgs215.0000 给水焓p=11.57mp t=215 igs kj/h924.0103 锅炉有效利用热q

10、kj/h563407845.0000 实际燃料消耗量b kg/h24390.1312 计算燃料消耗量bj kg/h24024.2792 220000.0000kg/h 入入口口过过量量空空气气系系数数出出口口 1.0000 0.0556al1.20001.0000 1.2000apn1.20001.0000 0.0250agg1.22501.0000 0.02501.25001.0000 0.02001.27001.0000 0.05001.32001.0000 0.02001.34001.0000 0.05001.39001.0000 6.37966.37966.37966.37966.37

11、96 5.05115.05115.05115.05115.0511 1.15861.15861.15861.15861.1586 6.20976.20976.20976.20976.2097 0.63220.63220.63220.63220.6322 0.90000.90000.90000.90000.9000 高过低过高温省煤器高温空预器低温省煤器 1.22501.25001.27001.32001.3400 1.21251.23751.26001.29501.3300 7.56537.72487.86848.09178.3150 0.65400.65660.65890.66250.666

12、1 8.21948.38148.52738.75428.9811 0.14100.13820.13590.13230.1290 0.07960.07830.07730.07570.0742 0.22050.21660.21310.20800.2032 20.585520.187419.842219.327918.8396 10.914311.122611.310111.601711.8933 0.01550.01520.01500.01460.0142 理论烟气焓增炉膛、屏、凝渣管高温过热器 iyoa=1.20a=1.225 iyiyiyiy 908.39684640.89481239.489

13、14727.30061262.1990 928.81165880.38381271.38665989.49961294.6069 947.88677151.77041302.51377284.10641326.2109 962.04958454.28411329.12018610.31731353.1713 977.36079783.40421350.56949963.48861375.0034 988.716411133.97361371.678911338.49211396.3968 1005.367312505.65251392.189912734.88891417.3241 1011.

14、491713897.84241407.321214152.21291432.6085 1025.909715305.16361426.193915584.82141451.8416 1033.182516731.35751434.578317036.66301460.4078 1037.967218165.93571446.954018497.07091472.9031 1046.133219612.88971458.356619969.97401484.5100 1049.195421071.24631469.587521454.48401495.8174 1049.578222540.83

15、391471.909722950.30141498.1492 1065.208324012.74361482.760024448.45061509.3902 1063.932425495.50361486.643925957.84081513.2422 1072.991426982.14741499.991127471.08301526.8158 1070.822428482.13851495.881228997.89881522.6518 29978.019730520.5506 理论烟气焓增iyo低温过热器a=1.25高温省煤器a=1.27 iyiyiyiy 1029.60863562.2

16、9381251.41273613.67411269.1570 1057.80974813.70641284.90894882.83111303.0769 1085.62426098.61531317.82716185.90791336.4034 1112.93637416.44251349.90807522.31131368.8658 1136.71028766.35051377.22268891.17711396.4636 10143.573110287.6406 理论烟气焓增iyo高温空预器a=1.32低温省煤器a=1.34 iyiyiyiy 972.83391217.02771246.2

17、4991233.92491263.3384 1000.53172463.27771278.84732497.26331296.2420 1029.60863742.12491313.51783793.50531331.2621 1057.80975055.64271348.49675124.76741366.6646 1085.62426404.13941382.84406491.43201401.4202 7786.98347892.8522 理论烟气焓增iyo低温空预器a=1.39 iyiy 972.83391276.16761306.0597 1000.53172582.22731339

18、.7288 1029.60863921.95611375.6229 1057.80975297.57901412.0845 1085.62426709.66351447.8608 8157.5243 折算水分p23 ahz灰分的份额0.0500 559.8000 折算灰分p233.131110% q65.2621 6.3796 5.0511 1.1586 6.2097 0.6322 0.9000 低温空预器 1.3900 1.3650 8.5382 0.6697 9.2079 0.1258 0.0727 0.1986 18.3754 12.1849 0.0139 理论焓增 co2n2h2o 1

19、70.0300129.5800150.5200 357.4600259.9200304.4600 558.8100392.0100462.7200 771.8800526.5200626.16001057.8097 994.3500663.8000794.85001085.6242 1224.6600804.1200968.88001112.9363 1461.8800947.52001148.84001136.7102 1704.88001093.60001334.40001155.0973 1952.28001241.55001526.04001173.9356 2203.50001391

20、.70001722.90001191.1164 2458.39001543.74001925.11001205.0228 2716.56001697.16002132.28001221.0119 2976.74001852.76002343.64001227.9418 3239.04002008.72002559.20001239.3605 3503.10002166.00002779.05001249.1300 3768.80002324.48003001.76001259.7484 4036.31002484.04003229.32001261.9941 4304.70002643.660

21、03458.34001269.7184 4574.06002804.21003690.37001273.8574 4844.20002965.00003925.60001285.3928 5115.39003127.53004163.25001281.7168 5386.48003289.22004401.9800 1.2炉膛、屏、凝渣管a负荷maraar 0.0250.0251.225高温过热器a1618.8 0.0250.0251.25低温过热器a 0.020.021.27高温省煤器a 0.050.051.32高温空预器a 0.020.021.34低温省煤器a 0.050.051.39低温

22、空预器aro2容积 tv0gyvro2co2 1006.2096746131.15856 170.03 2006.2096746131.15856 357.46 3006.2096746131.15856 558.81 4006.2096746131.15856 771.88 5006.2096746131.15856 994.35 6006.2096746131.15856 1224.7 7006.2096746131.15856 1461.9 8006.2096746131.15856 1704.9 9006.2096746131.15856 1952.3 10006.2096746131

23、.15856 2203.5 11006.2096746131.15856 2458.4 12006.2096746131.15856 2716.6 13006.2096746131.15856 2976.7 14006.2096746131.158563239 15006.2096746131.15856 3503.1 16006.2096746131.15856 3768.8 17006.2096746131.15856 4036.3 18006.2096746131.15856 4304.7 19006.2096746131.15856 4574.1 20006.2096746131.15

24、856 4844.2 21006.2096746131.15856 5115.4 22006.2096746131.15856 5386.5 carharoarnarsar 低位发热量 614.16.81.42.925140 理论氮容积理论水蒸气容积理论烟气焓理论空气量 vn2n2vh2oh2oiy0v0湿空气k 5.05111461129.580.632212184150.52946.6739662 6.37963875132.43 5.05111461259.920.632212184304.461919.507889 6.37963875266.36 5.05111461392.010.

25、632212184462.722920.039575 6.37963875402.69 5.05111461526.520.632212184626.163949.64814 6.37963875541.76 5.05111461663.80.632212184794.855007.45787 6.37963875684.15 5.05111461804.120.632212184968.886093.082113 6.37963875829.74 5.05111461947.520.6322121841148.847206.018456 6.37963875978.32 5.05111461

26、1093.60.6322121841334.48342.728651 6.379638751129.12 5.051114611241.550.6322121841526.049497.825945 6.379638751282.32 5.051114611391.70.6322121841722.910671.76154 6.379638751437.3 5.051114611543.740.6322121841925.1111862.87799 6.379638751594.89 5.051114611697.160.6322121842132.2813067.90082 6.379638

27、751753.44 5.051114611852.760.6322121842343.6414288.91277 6.379638751914.25 5.051114612008.720.6322121842559.215516.85455 6.379638752076.2 5.0511146121660.6322121842779.0516756.21506 6.379638752238.9 5.051114612324.480.6322121843001.7618005.34507 6.379638752402.88 5.051114612484.040.6322121843229.321

28、9265.09351 6.379638752567.34 5.051114612643.660.6322121843458.3420527.08757 6.379638752731.86 5.051114612804.210.6322121843690.3721796.80594 6.379638752898.83 5.0511146129650.6322121843925.623070.66333 6.379638753065.6 5.051114613127.530.6322121844163.2524356.0561 6.379638753233.79 5.051114613289.22

29、0.6322121844401.9825637.77286 6.379638753401.64 验证： 2.817981 理论空气焓 ik0iy0炉膛、屏、凝渣管a 飞灰份额afhaar飞灰h飞灰焓ifhiy-炉膛 844.8555597972.8339231.20.918.880.80 1115.645078 1699.2805771000.5316851.20.918.8169.10 2259.364005 2569.0167281029.6085651.20.918.8263.703433.84292 3456.2330891057.8097311.20.918.83600 4640.8

30、94757 4364.6298511085.6242421.20.918.8458.505880.38384 5293.4414561112.9363431.20.918.8559.80 7151.770404 6241.3281821136.7101951.20.918.8663.20 8454.284092 7203.3777051155.0972941.20.918.8767.20 9783.404192 8180.7383621173.9355931.20.918.8873.90 11133.97362 9169.4547751191.116451.20.918.89840 12505

31、.65249 10174.822051205.0228371.20.918.81096013897.8424 11186.313771221.0119421.20.918.812060 15305.16358 12212.223481227.9417811.20.918.813600 16731.35746 13245.405971239.3605081.20.918.815710 18165.93574 14283.37321249.1300111.20.918.81758019612.8897 15329.506361259.7484381.20.918.818300 21071.2463

32、4 16378.701751261.9940671.20.918.820660 22540.83385 17428.279921269.7183661.20.918.821840 24012.74356 18493.48821273.8573891.20.918.823580 25495.50358 19557.420551285.392771.20.918.825120 26982.14744 20630.411991281.7167671.20.918.82640028482.1385 21701.234361.20.918.827600 29978.01974 iy0 高温过热器aiy0

33、 低温过热器a 1143.7189271.2251136.766467 1165.0795521.251157.887856 1174.4789161.2252301.846019 1196.2223191.252344.328034 1207.0518371.2253498.068338 1229.2322461.253562.293757 1239.4890831.2254727.300585 1262.1990021.254813.706412 1271.3865641.2255989.499587 1294.6068541.256098.615333 1302.5136881.2257

34、284.10644 1326.2108561.257416.442477 1329.12011.2258610.317297 1353.1713381.258766.350501 1350.5694251.2259963.488635 1375.0034421.2510143.57308 1371.6788751.22511338.49208 1396.3967861.2511543.01054 1392.1899041.22512734.88886 1417.3240861.2512964.12523 1407.3211821.22514152.21295 1432.6084751.2514

35、406.5835 1426.1938831.22515584.82142 1451.8416261.2515864.47927 1434.578281.22517036.66305 1460.4078431.2517341.96864 1446.9539531.22518497.07089 1472.9031341.2518828.20604 1458.3566441.22519969.97403 1484.5099731.2520327.05836 1469.5875151.22521454.4841495.81741.2521837.72166 1471.9097011.22522950.

36、3014 1498.1491551.2523359.76894 1482.7600221.22524448.45055 1509.3902291.2524884.15755 1486.643861.22525957.84078 1513.2421691.2526420.17799 1499.9910581.22527471.08295 1526.8158441.2527960.01847 1495.881241.22528997.8988 1522.6517991.2529513.6591 1.22530520.550591.2531063.08145 高温省煤器a高温空预器a 1186.44

37、01771.271174.7849671203.5286781.321217.027745 1217.9657231.272378.3136451235.3604461.322463.277674 1251.4126551.273613.6740911269.1569831.323742.124928 1284.9089211.274882.8310741303.0768561.325055.642728 1317.8271441.276185.907931336.4033761.326404.139422 1349.9080251.277522.3113061368.8657591.3277

38、86.983379 1377.2225761.278891.1770651396.4635671.329203.243474 1399.4374581.2710287.640631418.9846711.3210647.80952 1421.1146961.2711706.62531440.8890241.3212115.66222 1442.4582671.2713147.514331462.5656131.3213605.98707 1457.8957681.2714610.079941478.1256031.3215118.82104 1477.4893691.2716088.20554

39、1498.0075631.3216647.52123 1486.2374051.2717586.213111506.9010551.3218196.82428 1498.8523151.2719093.114161519.6116591.3219755.38446 1510.6633021.2720612.725821531.5859651.3221326.89448 1522.0472851.2722144.311781543.0311931.3222910.7871 1524.3886091.2723687.342981545.3801721.3224506.27806 1536.0204

40、361.2725232.723151557.3246021.3226104.13715 1539.8404781.2726790.047751561.1191251.3227714.72216 1553.640631.2728351.166881575.1004591.3229329.0379 1549.4223581.2729926.267341570.8388051.3230957.78793 1.2731497.106141.3232582.16786 低温省煤器a低温空预器a 1246.2499291.341233.9248561263.3384291.391276.167634130

41、6.05968 1278.8472541.342497.2632861296.2419771.392582.2273141339.728784 1313.5178011.343793.5052621331.2621281.393921.9560991375.622946 1348.4966941.345124.767391366.6646291.395297.5790441412.084468 1382.8439561.346491.4320191401.4201881.396709.6635121447.860769 1416.2600951.347892.8522081435.217831

42、.398157.5242811482.612166 1444.5660431.349328.0700381463.8070331.399640.1364471511.90951 1467.8527041.3410791.877071487.3999171.3911152.045961536.26795 1490.3248451.3412279.276991510.0991731.3912688.313911559.534994 1512.8339761.3413789.376161532.9413221.3914247.84891583.209685 1528.7001891.3415322.

43、317481548.9300231.3915831.058591599.504609 1549.3030481.3416871.247511569.8212421.3917430.56321621.116728 1558.560181.3418441.068751579.223831.3919051.679921630.882955 1571.510021.3420020.292581592.2693651.3920682.562881644.167726 1583.8926231.3421612.561941604.8152861.3922326.73061657.121945 1595.4

44、909621.3423217.377231616.474871.3923983.852551668.934639 1597.8590811.3424833.85211618.8506441.3925652.787191671.329552 1610.5850161.3426452.702741631.8891821.3927324.116741685.149596 1614.3157421.3428084.591931635.5943891.3929009.266341688.791007 1628.7500311.3429720.186311650.209861.3930698.057341

45、703.859432 1624.3799231.3431370.396171645.7963711.3932401.916771699.337489 1.3433016.192551.3934101.25426-34101.25426 表4-6屏的热力计算p51 1.0000烟气进屏温度 c1100.3838 2.0000烟气进屏焓 ip13903.2442 3.0000烟气出屏温度 假假设设969.0000 4.0000烟气出屏焓12080.4320 5.0000烟气平均温度1034.6919 6.0000屏区附加受热面对流吸热量 假假设设 qpfjd240.0000 7.0000屏的对流吸

46、热量 qpd1572.9468 8.0000炉膛与屏相互换热系数 b1.0000 9.0000炉膛出口烟窗沿高度热负荷分配系数 nyc0.8200 10.0000炉膛出口烟窗射入屏区的炉膛辐射热量 qpf1096.2963 11.0000三原子气体辐射减温系数 kq10.8453 12.0000三原子气体和水蒸气容积总份额 r0.2226 13.0000灰粒的辐射减弱系数 kh84.5498 14.0000质量飞灰浓度 uy0.0157 15.0000烟气的辐射减温系数 k3.7371 16.0000屏区烟气黑度 a0.2526 17.0000屏进口对出口的角系数x x0.1396 18.00

47、00修正系数 r0.5000 19.0000屏出口烟窗面积 ap50.0000 20.0000炉膛及屏间烟气向屏后受热面的辐射热量 qpf269.1791 21.0000屏区吸收的辐射热量 qpqf827.1172 22.0000屏区附加受热面吸收的辐射热量 qpfjf104.2163 23.0000屏区水冷壁吸收的辐射热量 qpslf68.6414 24.0000屏区水顶棚吸收的辐射热量 qpldf35.5749 25.0000屏吸收的辐射热量 qpf722.9009 26.0000屏吸收的总热量 qp2295.8477 27.0000一级减温水量 假假设设 djw16500.0000 28

48、.0000二级减温水喷水量 djw2500.0000 29.0000屏中蒸汽流量 dp219500.0000 30.0000蒸汽进屏温度 假假设设372.0000 31.0000蒸汽进屏焓10.49003001.1919 32.0000蒸汽出屏焓3252.4725 33.0000蒸汽出屏温度10.2000455.0907 34.0000屏内蒸汽平均温度413.5453 35.0000平均传热温差621.1466 36.0000屏内蒸汽平均比容10.34500.0264 37.0000屏内蒸汽流速16.5811 38.0000管壁对蒸汽的放热系数2842.0000 39.0000烟气流速4.81

49、76 40.0000烟气侧对流放热系数40.0500 41.0000灰污系数0.0065 42.0000管壁灰污层温度744.7073 43.0000辐射放热系数80.8245 44.0000利用系数0.8600 45.0000烟气侧放热系数119.3811 46.0000对流放热系数 k53.1028 47.0000屏的对流传热量1566.8352 48.0000计算误差0.3901% 49.0000屏区水冷壁的水温10.9800317.6630 50.0000平均传热温差717.0289 51.0000屏区水冷壁对流吸热量171.7407 52.0000屏区顶棚进口蒸汽温度(即炉膛顶棚出口

50、）325.7042 53.0000屏区顶棚进口蒸汽焓2754.4419 54.0000屏区顶棚蒸汽焓增 假假设设14.0000 55.0000屏区顶棚出口蒸汽焓2768.4419 56.0000屏区顶棚出口蒸汽温度329.4466 57.0000屏区顶棚蒸汽平均温度327.5754 58.0000平均传热温差707.1165 59.0000屏区顶棚对流吸热量87.7780 60.0000屏区顶棚总吸热量123.3529 61.0000屏区顶棚焓增13.9130 62.0000计算误差检查0.6255% 63.0000屏区附加受热面对流吸热量259.5186 64.0000计算误差-7.5211

51、% 65.0000屏区受热面总吸热量1826.3538 保温系数0.994587852 凝凝渣渣管管 4-74-7 1管子尺寸d d 133*10 2 管子排列方式及根数n10 3 管子节距s1700 4 受热面积hnz26.8 5 管道流通截面积ay48.4 6 烟道容积v27.2 7 烟道表面积a114.1 8 烟气辐射层厚度s10.865 9 烟气进凝渣管温度nz969 10烟气进凝渣管焓inz12080.43204 11 烟气出凝渣管温度964 12 烟气出凝渣管焓inz12011.8481 13 凝渣管对流吸热量68.21275731 14 凝渣管角系数xnz0.27 15 来自炉膛

52、及屏的辐射热269.1791201 16 凝渣管吸收的辐射热72.67836243 17 凝渣管总吸收热量qnz140.8911197 18 通过凝渣管的辐射热196.5007577 高高过过 4-84-8 1管子尺寸d42*5 2冷段横向节距及布置n140 3热段横向节距及布置nr39 4横向节距sl95 5横向节距比2.262 6纵向节距s287 7纵向节距比2.07 8管子纵向排数n28 9冷段蒸汽流通面积afl0.0642 10热段蒸汽流通面积afr0.0628 11平均流通截面积fpj0.0634 12烟气流通面积ay23.3 13冷段受热面积al237 14热段受热面积ar231

53、15顶棚受热面积ald10.06 16管束前烟室深度lys0.7 17管束深度lgs0.61 18有效辐射层厚度s0.188 表4-9高过的计算 d220000.00 1.00进口烟温964.00 2.00进口烟焓12011.85 3.00进冷段蒸汽温度tggl455.09 4.00进冷段蒸汽焓iggl3252.47 5.00总辐射吸热量196.50 6.00冷锻辐射吸热量97.42 7.00热锻辐射吸热量94.95 8.00顶棚辐射吸热量4.14 9.00出热段蒸汽温度tggr 定值540.00 10.00出热段蒸汽焓iggr 9.9mp3476.45 11.00出冷段蒸汽温度tggl 假假

54、设设500.30 12.00出冷段蒸汽焓iggl 10.1mp3373.61 13.00第二次减温水量djw2500.00 14.00减温水焓ijw 11.57 215924.0103 15.00进热段蒸汽焓iggr3368.04 16.00进热段蒸汽温度tggr10.10498.12 17.00冷段吸热量1106.80 18.00热段吸热量992.71 19.00高过吸热量qgg2099.51 20.00高过对流吸热量1903.01 21.00顶棚对流吸热量 假假设设59.00 22.00高温过热器出口烟焓hgg10102.70 23.00高过出口烟温810.12 24.00平均烟温887.

55、06 25.00烟速wy10.00 26.00烟气侧放热系数66.29 27.00冷段蒸汽平均温度tgglpj477.70 28.00冷段蒸汽平均比容vggl10.150.030981547 29.00冷段蒸汽平均流速wgglpj29.42 30.00冷段蒸汽放热系数3234.00 31.00热段蒸汽平均温度tggrpj519.06 32.00热段蒸汽平均比体积vggr10.000.033865986 33.00热段蒸汽平均流速wggrpj32.96 34.00热端蒸汽放热系数3822.00 35.00三原子气体辐射减弱系数kp25.10 36.00三原子气体和水蒸气容积总份额r0.22052

56、7232 37.00灰粒的辐射减弱系数kh91.58 38.00质量飞灰浓度0.015502573 39.00烟气的辐射减弱系数k6.96 40.00烟气黑度a0.122583312 41.00冷段管壁灰污层温度thbggl750.18 42.00热段管壁灰污层温度thbggr795.74 43.00冷段辐射放热系数31.87 44.00热段辐射放热系数33.71 45.00修正后的冷锻辐射放热系数43.85 46.00修正后的热锻辐射放热系数46.55 47.00冷段传热系数kggl69.24 48.00热段传热系数kggr71.25 49.00冷段平均温差406.95 50.00热段平均温

57、差359.15 51.00冷段对流系热量qggld21000.63 52.00计算误差0.88% 53.00热段对流吸热量qggrd2885.73 54.00计算误差1.36% 55.00顶棚入口气温tggld329.45 56.00顶棚入口汽焓iggld2768.44 57.00顶棚出口汽焓2775.10 58.00顶棚出口气温tggld10.00330.60 59.00顶棚对流吸热量qggldd258.92 60.00误差0.13% 61.00高过总对流吸热量1945.28 0.3901% 0.8752% 1.3584% 0.6255% -7.5211%-0.7848 0.8291 屏的深

58、度l屏的横向节距sl 2.07600.5910 10.000011.000010.4900 340.00002873.02172828.45532851.1842 350.00002924.20002886.30002905.6290屏、凝渣管 360.00002959.06002924.22002941.9884 370.00002993.92002962.14002978.3478 380.00003028.78003000.06003014.7072 440.00003213.46003196.02003209.972010.2000 450.00003242.20003226.0500

59、3238.9700 460.00003268.58003253.15003265.4940 470.00003294.96003280.25003292.0180 480.00003321.34003307.35003318.5420 390.00000.025610.022960.0247010.3450 400.00000.026410.023750.02549 410.00000.027080.024380.02615 420.00000.027740.025020.02680 430.00000.028410.025650.02746 440.00000.029070.026290.0

60、2811 13.8810 管壁温度724.1186 屏的角系数 0.9900 表4-6屏的热力计算p51 差分求10.98mpa下的饱和压力 屏区顶棚蒸汽流量dpld213000.0000 5.263157895 凝凝渣渣管管 4-74-7 bj24024.28 fai0.99 a0.03 iolf168.97 vy8.22 ? 3364.57 查水蒸气性质9.0010.0011.00 500.003386.403374.103361.55 510.003411.403399.603387.58误差0.88% 520.003436.403425.103413.601.36% 530.00346