鍋爐熱力計算書

1、第一節(jié) 熱力計算匯總1. 煤質(zhì)資料序號項 目符 號設(shè)計煤校核煤校核煤單位1應用基碳Cy5.02561.2150.84%2應用基氫Hy2.933.473.43%3應用基氧Oy5.049.810.02%4應用基氮Ny1.151.211.19%5應用基硫Sy1.040.780.52%6應用基水份Wy7.64.95.4%7應用基灰份Ay31.9918.6328.6%8低位發(fā)熱量Qydw196542343119731KJ/Kg9固有水份Wf%10應用基揮發(fā)份Vy19.629.1327.75%11可磨系數(shù)Kha726358灰熔點1變形溫度t11500146015002軟化溫度t21500148015003

2、熔化溫度t3150015001500灰成份1氧化硅SiO252.4837.2648.24%2氧化鋁Al2O334.1643.8542.52%3氧化鐵Fe2O34.232.231.6%4氧化鈣CaO1.978.321.25%5氧化鎂MgO1.360.530.62%6氧化鈉K2O0.090.061.45%7氧化鉀Na2O0.380.960.55%8氧化硫SO32.45.21.7%9氧化鈦TiO21.271.170.62%10氧化磷P2O50.250.30.13%11其他1.410.121.32%2. 受熱面結(jié)構(gòu)尺寸序號受熱面名稱外徑橫向節(jié)距縱向節(jié)距受熱面面積排數(shù)每排根數(shù)mmmmmmm2排根1墻式再

3、熱器5457420.14422分隔屏再熱器51280460681.42×4243后屏過熱器60/5468463.6962.220144屏式再熱器63456731314.530145末級再熱器6322811415466076末級過熱器5117110218598147低溫過熱器51140102121039958省煤器5115010263619333. 鍋爐設(shè)計參數(shù)序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1過熱蒸汽流量t/h1025969.5894.4789.4649.9436.5307.52過熱蒸汽出口壓力MPa17.617.517.317.214.49

4、.57.53過熱蒸汽出口溫度540540540540540535528.94再熱蒸汽流量t/h848.6805.5746.8774.9553.4384.8278.25再熱蒸汽進口壓力MPa3.733.543.283.452.421.611.086再熱蒸汽出口壓力MPa3.553.372.293.282.291.521.017再熱蒸汽進口溫度329323315328311296.42858再熱蒸汽出口溫度5405405405405405155009給水溫度27827426917925122921110排煙溫度（修正前）127.2122.2120.6109.4111.7104.4108.311排煙

5、溫度（修正后）121.7116.7115.6105106.198.9101.112過熱器噴水溫度182179.4176.7177.2163.9148.9137.213過熱器噴水量（一級）t/h09.5021.6070.1032.5023.8016.7014過熱器噴水量（二級）t/h02.03.010.05.05.03.015鍋筒壓力MPa19.018.718.418.115.110.17.916飽和溫度361.7360.7359.4357.7343.2311.9294.74. 熱損失及熱負荷（設(shè)計煤種）序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1干煙氣損失%4.

6、544.314.243.513.594.764.742燃料中含水份熱損失%0.060.060.060.050.050.070.073氫的燃燒損失%0.160.140.140.080.090.170.174空氣中含水份熱損失%0.080.080.080.060.060.090.085未完全燃燒熱損失%1.001.151.251.301.652.202.506輻射熱損失%0.180.180.200.200.210.210.217其它熱損失%0.340.340.340.340.340.340.348制造廠裕度%0.310.310.310.310.310.310.319低位熱效率%93.3293.42

7、93.3794.1493.7091.8491.5710高位熱效率%89.4689.5689.5190.2589.8288.0487.7811燃料消耗量t/h143.7137.52129.02132.5497.8870.0850.9912爐膛容積熱負荷kW/m310399939570503713爐膛斷面熱負荷kW/m3453143364067417830862208160814凈熱輸入MW86983077678758040229015燃燒器擺動角度度-22-115-244-30-3016過量空氣系數(shù)%2525252525252517燃燒器投運層數(shù)2-52-52-52-53-54-54-5注：1.

8、 熱負荷按燃料低位熱值，不含風熱計算。2. 燃燒器投運層數(shù)是從下而上。5. 介質(zhì)溫度（設(shè)計煤種）序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1省煤器進口278.00274.00269.00179.00250.94229.00210.942省煤器出口300.28297.44293.50232.89278.89259.33242.003省煤器懸吊管進口300.28297.44293.50232.89278.89259.33242.004省煤器懸吊管出口301.89299.17295.33236.67280.94261.44244.505轉(zhuǎn)向室省煤器懸吊管進口301.8

9、9299.17295.33236.67280.94261.44244.506轉(zhuǎn)向室省煤器懸吊管出口305.33302.72299.00242.72284.89265.39249.227過熱器爐頂管進口361.72360.72359.39357.67343.22311.94294.728過熱器爐頂管出口364.17363.44362.39361.72348.06319.50303.229蒸汽冷卻管進口364.17363.44362.39361.72348.06319.50303.2210蒸汽冷卻管出口364.72364.00363.06362.78349.22321.72305.9411轉(zhuǎn)向室包

10、覆管進口364.72364.00363.06362.78349.22321.72305.9412轉(zhuǎn)向室包覆管出口365.22364.67363.94364.39351.67326.28312.1713低過水平部分進口365.22364.67363.94364.39351.67326.28312.1714低過水平部分出口405.22406.61408.50433.22411.17404.28391.1715低過垂直部分進口405.22406.61408.50433.22411.17404.28391.1716低過垂直部分出口414.39416.11418.67448.00423.61418.78

11、406.1117分隔屏進口414.33411.78407.33399.39393.44374.56358.1118分隔屏出口454.78454.22452.39446.50448.56442.50435.1719后屏進口454.78454.22452.39446.50448.56442.50435.1720后屏出口508.22509.83510.53513.11517.83524.33525.1121末級過熱器進口508.22508.11508.06502.44510.39511.44513.5622末級過熱器出口54054054054054053552923墻式再熱器進口329.00323.

12、00315.00328.00310.94296.39285.0024墻式再熱器出口388.94385.94382.22389.89386.61373.67368.3325屏式再熱器進口388.94385.94382.22389.89386.61373.67368.3326屏式再熱器出口475.61474.50473.78477.06479.83466.44461.1727末級再熱器進口475.61474.50473.78477.06479.83466.44461.1728末級再熱器出口5405405405405405195076. 煙氣溫度序號項 目單位定 壓滑 壓BMCRTMCRECR高加全

13、切75%50%30%1分隔屏進口13161318132212941258114910912分隔屏出口113611281119111110469488813后屏進口113611281119111110469488814后屏出口10431034102310189498547845屏式再熱器進口10431034102310189498547846屏式再熱器出口9399299189158457546867水冷壁后墻懸吊管進口9399299189158457546868水冷壁后墻懸吊管出口9299209089058357446769末級再熱器進口92992090890583574467610末級再熱器出

14、口84983982882776468362311水冷壁管屏進口84983982882776468362312水冷壁管屏出口81981079879873365359513末級過熱器進口81981079879873365359514末級過熱器出口75174373273267961657115低過垂直部分進口74473672572567260956416低過垂直部分出口71070269269664358354017低過水平部分進口68567766766861755751218低過水平部分出口44944644144841638235619省煤器進口44343943543941037535020省煤器出

15、口36135635131132529226721預熱器進口36135635131132529226722預熱器出口（未修正）1271221211091121041087. 煙氣平均流速（設(shè)計煤種）序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1后屏m/s8.137.737.197.355.153.392.322屏式再熱器m/s8.918.467.868.045.63.682.53水冷壁后墻懸吊管m/s9.418.928.288.495.893.862.624末級再熱器m/s11.5210.9310.1410.47.214.743.225水冷壁管屏m/s12.8112

16、.1511.2711.568.025.273.596末級過熱器m/s11.4110.8210.0310.317.174.743.257蒸汽冷卻管m/s10.339.89.099.346.524.342.998低過垂直部分m/s11.1510.579.8110.097.034.693.239低過水平部分m/s10.079.568.899.176.424.312.9810省煤器m/s7.837.446.926.925.043.412.378. 吸熱量序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1墻式再熱器GJ/h125.87125.03122.92116.6996.9

17、666.3650.122過熱器爐頂管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屏式再熱器GJ/h169.02163.22155.41153.83114.3777.4455.186末級再熱器GJ/h123.97117.85109.62109.8373.5444.4227.437末級過熱器GJ/h102.7696.4388.4290.4254.7626.6912.038蒸汽冷卻器GJ/h

18、10.9710.459.819.927.285.173.809低過垂直部分GJ/h50.6447.6943.7940.9429.4417.9412.1310轉(zhuǎn)向室省煤器懸吊管GJ/h18.4617.6216.6719.5212.348.656.3311轉(zhuǎn)向室包覆管GJ/h21.0020.1519.1019.3114.8811.088.5512低過水平部分GJ/h347.33325.60296.90298.59197.83121.8677.8613省煤器懸吊管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過熱系統(tǒng)附加吸熱量GJ/h45.3743.2640.0940.0927.4316.8811.6117汽水側(cè)總吸熱量GJ/h2636.632526.902368.642454.101803.121265.03917.9118預熱器總的吸熱量GJ/h348.17329.18302.81278.54206.79109.7371.759. 煙、空氣流量（設(shè)計煤種）序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1進預熱器一次空氣t/h240.

20、2242.1230.4259.8199.1164.8133.22進預熱器二次空氣t/h888.3857.5795.1821.7604.2442.1308.83進預熱器煙氣t/h1293.41236.71159.61190.8877.5626.2454.84一次風調(diào)溫風量t/h85.364.564.935.837.911.524.55出預熱器一次空氣t/h174.9176.3172.3203.1141.9109.580.26出預熱器二次空氣t/h876.6846.2782.0807.7591.5429.4295.27出預熱器煙氣t/h1370.51313.81230.81261.6947.469

21、4.2521.58空氣到煙氣漏風量t/h77.177.171.270.869.968.066.79一次空氣到二次空氣漏風t/h5.05.01.80.51.40.50.910二次空氣到煙氣漏風量t/h16.816.315.014.514.113.212.711一次空氣到煙氣漏風量t/h60.360.856.256.255.854.954.010. 空氣溫度（設(shè)計煤種）序號項 目單位定 壓滑 壓BMCRTMCRECR高加全切75%50%30%1一次風進口溫度282828282828282二次風進口溫度232323303045553一次風出口溫度3203163122742942672484二次風出口

22、溫度32832331928229927225211. 鍋爐設(shè)計參數(shù)（校核煤種）序號項 目單 位校核煤校核煤BMCRBMCR1過熱蒸汽流量t/hr102510252過熱蒸汽出口壓力MPa17.617.63過熱蒸汽出口溫度5405404再熱蒸汽流量t/hr848.6848.65再熱蒸汽進口壓力MPa3.733.736再熱蒸汽出口壓力MPa3.553.557再熱蒸汽進口溫度3293298再熱蒸汽出口溫度5405409給水溫度27827810排煙溫度（修正前）143.3146.711排煙溫度（修正后）137.218212過熱蒸汽噴水溫度18218213過熱器噴水量（一級）t/hr2.54.414過熱器

23、噴水量（二級）t/hr0015鍋筒壓力MPa19.019.016飽和溫度361.7361.712. 熱損失及熱負荷序號項 目單 位校核煤校核煤BMCRBMCR1干煙氣熱損失%6.275.412燃料中含水份熱損失%0.050.053氫的燃燒損失%0.240.254空氣中含水份熱損失%0.110.115未完全燃燒熱損失%0.901.706輻射熱損失%0.210.187其它熱損失%0.410.358制造廠裕度%0.370.329低位熱效率%92.8691.7110高位熱效率%89.3887.6511燃料消耗量t/h121.21145.7312爐膛容積熱負荷kW/m310410513爐膛斷面熱負荷kW

24、/m34556461114凈熱輸入MW86687015燃燒器擺動角度度-14-3016過量空氣系數(shù)%252517燃燒器投運層數(shù)2-52-5注：1. 熱負荷按燃料低位熱值，不含風熱計算。2. 燃燒器投運層數(shù)是從下而上。13. 介質(zhì)溫度（校核煤種）序號項 目單 位校核煤校核煤BMCRBMCR1省煤器進口278.00278.002省煤器出口300.39300.783省煤器懸吊管進口300.39300.784省煤器懸吊管出口302.00302.395轉(zhuǎn)向室省煤器懸吊管進口302.00302.396轉(zhuǎn)向室省煤器懸吊管出口305.50305.947過熱器爐頂管進口361.72361.728過熱器爐頂管出口

25、364.17364.229蒸汽冷卻管進口364.17364.2210蒸汽冷卻管出口364.78364.7811轉(zhuǎn)向室包覆管進口364.78364.7812轉(zhuǎn)向室包覆管出口365.22365.2813低過水平部分進口365.22365.2814低過水平部分出口405.61406.8315低過垂直部分進口405.61406.8316低過垂直部分出口414.83416.2817分隔屏進口413.78414.3318分隔屏出口454.50454.3919后屏進口454.50454.3920后屏出口508.06507.8321末級過熱器進口508.06507.8322末級過熱器出口54054023墻式再

26、熱器進口329.00329.0024墻式再熱器出口389.67388.4425屏式再熱器進口389.67388.4426屏式再熱器出口476.44475.5627末級再熱器進口476.44475.5628末級再熱器出口54154014. 煙氣溫度（校核煤種）序號項 目單位定 壓定 壓BMCRBMCR1分隔屏進口132413082分隔屏出口113911323后屏進口113911324后屏出口104610405屏式再熱器進口104610406屏式再熱器出口9429377水冷壁后墻懸吊管進口9429378水冷壁后墻懸吊管出口9329289末級再熱器進口93292810末級再熱器出口85184811水

27、冷壁管屏進口85184812水冷壁管屏出口82281813末級過熱器進口82281814末級過熱器出口75375115低過垂直部分進口74674316低過垂直部分出口71271017低過水平部分進口68768518低過水平部分出口44945019省煤器進口44344420省煤器出口36136221預熱器進口36136222預熱器出口（未修正）14314715. 煙氣平均流速（校核煤種）序號項 目單 位校核煤校核煤BMCRBMCR1后屏m/s8.158.242屏式再熱器m/s8.939.043水冷壁后墻懸吊管m/s9.439.544末級再熱器m/s11.5511.695水冷壁管屏m/s12.84136末級過熱器m/s1