锅炉热力计算书

1、第一节 热力计算汇总1. 煤质资料序号项 目符 号设计煤校核煤校核煤单位1应用基碳Cy5.02561.2150.84%2应用基氢Hy2.933.473.43%3应用基氧Oy5.049.810.02%4应用基氮Ny1.151.211.19%5应用基硫Sy1.040.780.52%6应用基水份Wy7.64.95.4%7应用基灰份Ay31.9918.6328.6%8低位发热量Qydw196542343119731KJ/Kg9固有水份Wf%10应用基挥发份Vy19.629.1327.75%11可磨系数Kha726358灰熔点1变形温度t11500146015002软化温度t21500148015003

2、熔化温度t3150015001500灰成份1氧化硅SiO252.4837.2648.24%2氧化铝Al2O334.1643.8542.52%3氧化铁Fe2O34.232.231.6%4氧化钙CaO1.978.321.25%5氧化镁MgO1.360.530.62%6氧化钠K2O0.090.061.45%7氧化钾Na2O0.380.960.55%8氧化硫SO32.45.21.7%9氧化钛TiO21.271.170.62%10氧化磷P2O50.250.30.13%11其他1.410.121.32%2. 受热面结构尺寸序号受热面名称外径横向节距纵向节距受热面面积排数每排根数mmmmmmm2排根1墙式再

3、热器5457420.14422分隔屏再热器51280460681.42×4243后屏过热器60/5468463.6962.220144屏式再热器63456731314.530145末级再热器6322811415466076末级过热器5117110218598147低温过热器51140102121039958省煤器5115010263619333. 锅炉设计参数序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1过热蒸汽流量t/h1025969.5894.4789.4649.9436.5307.52过热蒸汽出口压力MPa17.617.517.317.214.49

4、.57.53过热蒸汽出口温度540540540540540535528.94再热蒸汽流量t/h848.6805.5746.8774.9553.4384.8278.25再热蒸汽进口压力MPa3.733.543.283.452.421.611.086再热蒸汽出口压力MPa3.553.372.293.282.291.521.017再热蒸汽进口温度329323315328311296.42858再热蒸汽出口温度5405405405405405155009给水温度27827426917925122921110排烟温度（修正前）127.2122.2120.6109.4111.7104.4108.311排烟

5、温度（修正后）121.7116.7115.6105106.198.9101.112过热器喷水温度182179.4176.7177.2163.9148.9137.213过热器喷水量（一级）t/h09.5021.6070.1032.5023.8016.7014过热器喷水量（二级）t/h02.03.010.05.05.03.015锅筒压力MPa19.018.718.418.115.110.17.916饱和温度361.7360.7359.4357.7343.2311.9294.74. 热损失及热负荷（设计煤种）序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1干烟气损失%4.

6、544.314.243.513.594.764.742燃料中含水份热损失%0.060.060.060.050.050.070.073氢的燃烧损失%0.160.140.140.080.090.170.174空气中含水份热损失%0.080.080.080.060.060.090.085未完全燃烧热损失%1.001.151.251.301.652.202.506辐射热损失%0.180.180.200.200.210.210.217其它热损失%0.340.340.340.340.340.340.348制造厂裕度%0.310.310.310.310.310.310.319低位热效率%93.3293.42

7、93.3794.1493.7091.8491.5710高位热效率%89.4689.5689.5190.2589.8288.0487.7811燃料消耗量t/h143.7137.52129.02132.5497.8870.0850.9912炉膛容积热负荷kW/m310399939570503713炉膛断面热负荷kW/m3453143364067417830862208160814净热输入MW86983077678758040229015燃烧器摆动角度度-22-115-244-30-3016过量空气系数%2525252525252517燃烧器投运层数2-52-52-52-53-54-54-5注：1.

8、 热负荷按燃料低位热值，不含风热计算。2. 燃烧器投运层数是从下而上。5. 介质温度（设计煤种）序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1省煤器进口278.00274.00269.00179.00250.94229.00210.942省煤器出口300.28297.44293.50232.89278.89259.33242.003省煤器悬吊管进口300.28297.44293.50232.89278.89259.33242.004省煤器悬吊管出口301.89299.17295.33236.67280.94261.44244.505转向室省煤器悬吊管进口301.8

9、9299.17295.33236.67280.94261.44244.506转向室省煤器悬吊管出口305.33302.72299.00242.72284.89265.39249.227过热器炉顶管进口361.72360.72359.39357.67343.22311.94294.728过热器炉顶管出口364.17363.44362.39361.72348.06319.50303.229蒸汽冷却管进口364.17363.44362.39361.72348.06319.50303.2210蒸汽冷却管出口364.72364.00363.06362.78349.22321.72305.9411转向室包

10、覆管进口364.72364.00363.06362.78349.22321.72305.9412转向室包覆管出口365.22364.67363.94364.39351.67326.28312.1713低过水平部分进口365.22364.67363.94364.39351.67326.28312.1714低过水平部分出口405.22406.61408.50433.22411.17404.28391.1715低过垂直部分进口405.22406.61408.50433.22411.17404.28391.1716低过垂直部分出口414.39416.11418.67448.00423.61418.78

11、406.1117分隔屏进口414.33411.78407.33399.39393.44374.56358.1118分隔屏出口454.78454.22452.39446.50448.56442.50435.1719后屏进口454.78454.22452.39446.50448.56442.50435.1720后屏出口508.22509.83510.53513.11517.83524.33525.1121末级过热器进口508.22508.11508.06502.44510.39511.44513.5622末级过热器出口54054054054054053552923墙式再热器进口329.00323.

12、00315.00328.00310.94296.39285.0024墙式再热器出口388.94385.94382.22389.89386.61373.67368.3325屏式再热器进口388.94385.94382.22389.89386.61373.67368.3326屏式再热器出口475.61474.50473.78477.06479.83466.44461.1727末级再热器进口475.61474.50473.78477.06479.83466.44461.1728末级再热器出口5405405405405405195076. 烟气温度序号项 目单位定 压滑 压BMCRTMCRECR高加全

13、切75%50%30%1分隔屏进口13161318132212941258114910912分隔屏出口113611281119111110469488813后屏进口113611281119111110469488814后屏出口10431034102310189498547845屏式再热器进口10431034102310189498547846屏式再热器出口9399299189158457546867水冷壁后墙悬吊管进口9399299189158457546868水冷壁后墙悬吊管出口9299209089058357446769末级再热器进口92992090890583574467610末级再热器出

14、口84983982882776468362311水冷壁管屏进口84983982882776468362312水冷壁管屏出口81981079879873365359513末级过热器进口81981079879873365359514末级过热器出口75174373273267961657115低过垂直部分进口74473672572567260956416低过垂直部分出口71070269269664358354017低过水平部分进口68567766766861755751218低过水平部分出口44944644144841638235619省煤器进口44343943543941037535020省煤器出

15、口36135635131132529226721预热器进口36135635131132529226722预热器出口（未修正）1271221211091121041087. 烟气平均流速（设计煤种）序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1后屏m/s8.137.737.197.355.153.392.322屏式再热器m/s8.918.467.868.045.63.682.53水冷壁后墙悬吊管m/s9.418.928.288.495.893.862.624末级再热器m/s11.5210.9310.1410.47.214.743.225水冷壁管屏m/s12.8112

16、.1511.2711.568.025.273.596末级过热器m/s11.4110.8210.0310.317.174.743.257蒸汽冷却管m/s10.339.89.099.346.524.342.998低过垂直部分m/s11.1510.579.8110.097.034.693.239低过水平部分m/s10.079.568.899.176.424.312.9810省煤器m/s7.837.446.926.925.043.412.378. 吸热量序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1墙式再热器GJ/h125.87125.03122.92116.6996.9

17、666.3650.122过热器炉顶管GJ/h9.289.078.448.445.803.592.113分隔屏GJ/h173.35172.08169.44160.48132.5289.2666.684后屏GJ/h187.17182.00174.51172.08134.2192.5368.165屏式再热器GJ/h169.02163.22155.41153.83114.3777.4455.186末级再热器GJ/h123.97117.85109.62109.8373.5444.4227.437末级过热器GJ/h102.7696.4388.4290.4254.7626.6912.038蒸汽冷却器GJ/h

18、10.9710.459.819.927.285.173.809低过垂直部分GJ/h50.6447.6943.7940.9429.4417.9412.1310转向室省煤器悬吊管GJ/h18.4617.6216.6719.5212.348.656.3311转向室包覆管GJ/h21.0020.1519.1019.3114.8811.088.5512低过水平部分GJ/h347.33325.60296.90298.59197.83121.8677.8613省煤器悬吊管GJ/h9.078.768.3412.246.334.433.3814省煤器GJ/h120.28116.06110.36170.5083.

19、4657.5041.6815水冷壁GJ/h1122.601069.84993.881030.81811.35625.66475.8416过热系统附加吸热量GJ/h45.3743.2640.0940.0927.4316.8811.6117汽水侧总吸热量GJ/h2636.632526.902368.642454.101803.121265.03917.9118预热器总的吸热量GJ/h348.17329.18302.81278.54206.79109.7371.759. 烟、空气流量（设计煤种）序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1进预热器一次空气t/h240.

20、2242.1230.4259.8199.1164.8133.22进预热器二次空气t/h888.3857.5795.1821.7604.2442.1308.83进预热器烟气t/h1293.41236.71159.61190.8877.5626.2454.84一次风调温风量t/h85.364.564.935.837.911.524.55出预热器一次空气t/h174.9176.3172.3203.1141.9109.580.26出预热器二次空气t/h876.6846.2782.0807.7591.5429.4295.27出预热器烟气t/h1370.51313.81230.81261.6947.469

21、4.2521.58空气到烟气漏风量t/h77.177.171.270.869.968.066.79一次空气到二次空气漏风t/h5.05.01.80.51.40.50.910二次空气到烟气漏风量t/h16.816.315.014.514.113.212.711一次空气到烟气漏风量t/h60.360.856.256.255.854.954.010. 空气温度（设计煤种）序号项 目单位定 压滑 压BMCRTMCRECR高加全切75%50%30%1一次风进口温度282828282828282二次风进口温度232323303045553一次风出口温度3203163122742942672484二次风出口

22、温度32832331928229927225211. 锅炉设计参数（校核煤种）序号项 目单 位校核煤校核煤BMCRBMCR1过热蒸汽流量t/hr102510252过热蒸汽出口压力MPa17.617.63过热蒸汽出口温度5405404再热蒸汽流量t/hr848.6848.65再热蒸汽进口压力MPa3.733.736再热蒸汽出口压力MPa3.553.557再热蒸汽进口温度3293298再热蒸汽出口温度5405409给水温度27827810排烟温度（修正前）143.3146.711排烟温度（修正后）137.218212过热蒸汽喷水温度18218213过热器喷水量（一级）t/hr2.54.414过热器

23、喷水量（二级）t/hr0015锅筒压力MPa19.019.016饱和温度361.7361.712. 热损失及热负荷序号项 目单 位校核煤校核煤BMCRBMCR1干烟气热损失%6.275.412燃料中含水份热损失%0.050.053氢的燃烧损失%0.240.254空气中含水份热损失%0.110.115未完全燃烧热损失%0.901.706辐射热损失%0.210.187其它热损失%0.410.358制造厂裕度%0.370.329低位热效率%92.8691.7110高位热效率%89.3887.6511燃料消耗量t/h121.21145.7312炉膛容积热负荷kW/m310410513炉膛断面热负荷kW

24、/m34556461114净热输入MW86687015燃烧器摆动角度度-14-3016过量空气系数%252517燃烧器投运层数2-52-5注：1. 热负荷按燃料低位热值，不含风热计算。2. 燃烧器投运层数是从下而上。13. 介质温度（校核煤种）序号项 目单 位校核煤校核煤BMCRBMCR1省煤器进口278.00278.002省煤器出口300.39300.783省煤器悬吊管进口300.39300.784省煤器悬吊管出口302.00302.395转向室省煤器悬吊管进口302.00302.396转向室省煤器悬吊管出口305.50305.947过热器炉顶管进口361.72361.728过热器炉顶管出口

25、364.17364.229蒸汽冷却管进口364.17364.2210蒸汽冷却管出口364.78364.7811转向室包覆管进口364.78364.7812转向室包覆管出口365.22365.2813低过水平部分进口365.22365.2814低过水平部分出口405.61406.8315低过垂直部分进口405.61406.8316低过垂直部分出口414.83416.2817分隔屏进口413.78414.3318分隔屏出口454.50454.3919后屏进口454.50454.3920后屏出口508.06507.8321末级过热器进口508.06507.8322末级过热器出口54054023墙式再

26、热器进口329.00329.0024墙式再热器出口389.67388.4425屏式再热器进口389.67388.4426屏式再热器出口476.44475.5627末级再热器进口476.44475.5628末级再热器出口54154014. 烟气温度（校核煤种）序号项 目单位定 压定 压BMCRBMCR1分隔屏进口132413082分隔屏出口113911323后屏进口113911324后屏出口104610405屏式再热器进口104610406屏式再热器出口9429377水冷壁后墙悬吊管进口9429378水冷壁后墙悬吊管出口9329289末级再热器进口93292810末级再热器出口85184811水

27、冷壁管屏进口85184812水冷壁管屏出口82281813末级过热器进口82281814末级过热器出口75375115低过垂直部分进口74674316低过垂直部分出口71271017低过水平部分进口68768518低过水平部分出口44945019省煤器进口44344420省煤器出口36136221预热器进口36136222预热器出口（未修正）14314715. 烟气平均流速（校核煤种）序号项 目单 位校核煤校核煤BMCRBMCR1后屏m/s8.158.242屏式再热器m/s8.939.043水冷壁后墙悬吊管m/s9.439.544末级再热器m/s11.5511.695水冷壁管屏m/s12.84136末级过热器m/s1