1、煙風(fēng)阻力計(jì)算書及匯總表都成煙風(fēng)阻力計(jì)算書及匯總表都成21/21煙風(fēng)阻力計(jì)算書及匯總表都成煙風(fēng)阻力計(jì)算書及匯總表鍵入文檔副標(biāo)題SJD144-2武漢鍋爐公司動(dòng)力機(jī)械制造有限公司2011.09SJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第1張目錄一、風(fēng)量，煙肚量計(jì)算第2頁二、煙道阻力計(jì)算第3頁三、風(fēng)道阻力計(jì)算第15頁四、匯總表第21頁SJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第2張說明：本計(jì)算書依照原蘇聯(lián)1977年版鍋爐設(shè)備空氣動(dòng)力計(jì)算（標(biāo)準(zhǔn)方法）編寫。一、風(fēng)量，煙肚量計(jì)算240t/h（額定負(fù)荷工況）時(shí)名稱單位數(shù)值1.煙氣流量（空

2、預(yù)器出口，140）m3/h530103煙氣側(cè)總阻力Pa16502.3.空氣流量（空氣預(yù)熱器進(jìn)口20）m3/h3101034.空氣側(cè)總阻力Pa12705.燃燒器阻力一次風(fēng)阻力Pa1436二次風(fēng)阻力Pa1297SJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第3張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（一）高溫過熱器橫向沖洗順列光管管子外徑dSJD144-1342.00mm沖洗排數(shù)Z2SJD144-1380.00橫向節(jié)距S1SJD144-13100.00mm縱向節(jié)距S2SJD144-13120.00mm1S1/d2.382S2/d2.86(S1-d)/(S2-d)

3、0.74煙氣均勻溫度TpjZBD144-61127.55K煙氣流速wZBD144-68.60m/sRe查線算圖25.00Re12550.00wRex1000.38(S1/d-1)-0.5(-0.94)-0.59Re0.2/20.21阻力系數(shù)0212.34ZP01.29煙氣密度PP0*273/Tpj0.31Kg/m3修正系數(shù)K查表1.20高溫過熱器阻力hshl2184.98PaKpw/2SJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第4張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（二）低溫過熱器橫向沖洗順列光管管子外徑dSJD144-1342.00mm沖洗排數(shù)Z2

4、SJD144-1380.00橫向節(jié)距S1SJD144-13100.00mm縱向節(jié)距S2SJD144-13110.00mm1S1/d2.382S2/d2.86(S1-d)/(S2-d)0.85煙氣均勻溫度TpjZBD144-6950.70K煙氣流速wZBD144-69.70m/sRe查線算圖34.00Re13298.00wRex1000.38(S1/d-1)-0.5(-0.94)-0.59Re0.2/20.21阻力系數(shù)0213.54ZP01.29煙氣密度PP0*273/Tpj0.37Kg/m3修正系數(shù)K查表1.20高溫過熱器阻力hshl2308.18PaKpw/2SJD144-2WDLZ240/

5、9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第5張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（二）低溫過熱器橫向沖洗順列光管管子外徑dSJD144-1342.00mm沖洗排數(shù)Z2SJD144-1380.00橫向節(jié)距S1SJD144-13100.00mm縱向節(jié)距S2SJD144-13110.00mm1S1/d2.382S2/d2.86(S1-d)/(S2-d)0.85煙氣均勻溫度TpjZBD144-6950.70K煙氣流速wZBD144-69.70m/sRe查線算圖34.00Re13298.00wRex1000.38(S1/d-1)-0.5(-0.94)-0.59Re0.2/20.21阻力系數(shù)

6、0213.54ZP01.29煙氣密度PP0*273/Tpj0.37Kg/m3修正系數(shù)K查表1.20高溫過熱器阻力hshl2308.18PaKpw/2SJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第6張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算2.自生通風(fēng)力計(jì)算高度HSJD144-133.8m當(dāng)?shù)卮髿鈮篵755.00mmHg煙氣均勻溫度TpjZBD144-6787.25K煙氣密度pP0*273/Tpj0.45Kg/m3自生通風(fēng)力hzsH(1.2-p)b/760g0.92Pa3.省煤器阻力hECOzs323.908Pah+hSJD144-2WDLZ240/9.8-2

7、型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第7張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算2.自生通風(fēng)力計(jì)算高度HSJD144-131.84m當(dāng)?shù)卮髿鈮築755.00mmHg煙氣均勻溫度TpjZBD144-6584.25K煙氣密度PP0*273/Tpj0.60Kg/m3自生通風(fēng)力hzsH(1.2-p)b/760g1.09Pa3.省煤器阻力hECOzs287.586Pah+hSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第8張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（四）低溫省煤器1.煙氣阻力管子外徑dSJD144-1338.00mm沖洗排數(shù)Z2SJD144-1339

8、.00橫向節(jié)距S1SJD144-1365.00mm縱向節(jié)距S2SJD144-1360.00mm1S/d1.7112S2/d1.58S10.852S12+S2240.89（S1-d）/（S2-d）Cs3.2+0.66(1.7-)1.53.68煙氣均勻溫度TpjSJD144-1584.25K煙氣流速wSJD144-17.00m/sRe查線算圖70.00Re14900.00wRex100-0.270.37CsRe阻力系數(shù)（02）13.54Z+1P1.290煙氣密度PP0*273/Tpj0.60Kg/m3修正系數(shù)K查表1.20阻力h2191.18PaKpw/2SJD144-2WDLZ240/9.8-2

9、型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第9張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（五）高溫空氣預(yù)熱器1、沿程阻力當(dāng)量直徑ddjSJ136-130.04m均勻沖洗長度SJD144-133.40m煙氣均勻溫度TpjZBD144-6671.90K煙氣流速wZBD144-612.20m/s煙氣密度PP0*273/Tpj0.52Kg/m3管壁均勻溫度Tb609.70K摩擦阻力系數(shù)查表0.04修正系數(shù)K查表1.00摩擦阻力h1131.57Pa2、進(jìn)口和出口局部阻力Fx/Fd2（）0.480.785dn/S1*S2進(jìn)口阻力系數(shù)rk查表0.30出口阻力系數(shù)ck查表0.40局部阻力h227.09Pa3、自生

10、通風(fēng)力計(jì)算高度HSJD144-133.4m當(dāng)?shù)卮髿鈮篵755.00mmHg煙氣均勻溫度TpjZBD144-6671.90K煙氣密度PP0*273/Tpj0.52Kg/m3自生通風(fēng)力hzs22.53PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第10張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算4、空氣預(yù)熱器阻力空氣預(yù)熱器阻力hkyh1+h2+hzs197.44PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第11張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（六）中溫空氣預(yù)熱器1、沿程阻力當(dāng)量直徑ddjSJ136-130.04m

11、均勻沖洗長度SJD144-134.80m煙氣均勻溫度TpjZBD144-6499.20K煙氣流速wZBD144-611.70m/s煙氣密度PP0*273/Tpj0.71Kg/m3管壁均勻溫度Tb454.58K摩擦阻力系數(shù)查表0.03修正系數(shù)K查表1.00摩擦阻力h1174.95Pa2、進(jìn)口和出口局部阻力Fx/Fd2（）0.480.785dn/S1*S2進(jìn)口阻力系數(shù)rk查表0.30出口阻力系數(shù)ck查表0.40局部阻力h234.02Pa3、自生通風(fēng)力計(jì)算高度HSJD144-134.8m當(dāng)?shù)卮髿鈮篵755.00mmHg煙氣均勻溫度TpjZBD144-6499.20K煙氣密度PP0*273/Tpj0.

12、71Kg/m3自生通風(fēng)力hzs22.92PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第12張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算4、空氣預(yù)熱器阻力空氣預(yù)熱器阻力hkyh1+h2+hzs252.68PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第13張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（七）中溫空氣預(yù)熱器1、沿程阻力當(dāng)量直徑ddjSJ136-130.051m均勻沖洗長度SJD144-132.00m煙氣均勻溫度TpjZBD144-6428.95K煙氣流速wZBD144-610.20m/s煙氣密度PP0*273/

13、Tpj0.82Kg/m3管壁均勻溫度Tb373.43K摩擦阻力系數(shù)查表0.03修正系數(shù)K查表1.00摩擦阻力h150.18Pa2、進(jìn)口和出口局部阻力Fx/Fd2（）0.480.785dn/S1*S2進(jìn)口阻力系數(shù)rk查表0.30出口阻力系數(shù)ck查表0.40局部阻力h229.86Pa3、自生通風(fēng)力計(jì)算高度HSJD144-132m當(dāng)?shù)卮髿鈮篵755.00mmHg煙氣均勻溫度TpjZBD144-6428.95K煙氣密度PP0*273/Tpj0.82Kg/m3自生通風(fēng)力hzs7.41PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第14張名稱符號公式及計(jì)算數(shù)值單位二、煙

14、道阻力計(jì)算4、空氣預(yù)熱器阻力空氣預(yù)熱器阻力hkyh1+h2+hzs95.29PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第15張名稱符號公式及計(jì)算數(shù)值單位二、煙道阻力計(jì)算（四）高溫預(yù)熱器1.煙氣阻力管子外徑dSJD144-1351.00mm沖洗排數(shù)Z2SJD144-1325.00橫向節(jié)距S1SJD144-1377.00mm縱向節(jié)距S2SJD144-13108.00mm1S1/d1.512S2/d2.12S21S2+S2114.664Cs煙氣均勻溫度Tpj煙氣流速wReRe0阻力系數(shù)P0煙氣密度P修正系數(shù)K阻力h（S1-d）/（S2-d）3.2+0.66(1

15、.7-)1.5SJD144-1SJD144-1查線算圖1wRex10CsRe-0.27（0Z2+1）P0*273/Tpj查表Kpw2/20.414.17671.90K7.70m/s105.008085.000.379.621.290.52Kg/m31.20177.96PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第16張名稱符號公式及計(jì)算數(shù)值單位2.自生通風(fēng)力計(jì)算高度H當(dāng)?shù)卮髿鈮篵煙氣均勻溫度Tpj煙氣密度p自生通風(fēng)力hzs二、煙道阻力計(jì)算SJD144-132m755.00mmHgZBD144-6671.90KP0*273/Tpj0.52Kg/m3b1.74

16、PaH(1.2-p)760g3.高溫預(yù)熱器阻力hECOzs180.141Pah+hSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第17張名稱符號公式及計(jì)算數(shù)值單位三、煙道阻力計(jì)算（四）高溫預(yù)熱器1.煙氣阻力管子外徑dSJD144-1340.00mm沖洗排數(shù)Z2SJD144-1330.00橫向節(jié)距S1SJD144-1364.00mm縱向節(jié)距S2SJD144-1384.00mm1S1/d1.602S2/d2.10S21S2+S289.894Cs煙氣均勻溫度Tpj煙氣流速wReRe0阻力系數(shù)P0煙氣密度P修正系數(shù)K阻力h（S1-d）/（S2-d）3.2+0.66(1.

17、7-)1.5SJD144-1SJD144-1查線算圖1wRex10CsRe-0.27（0Z2+1）P0*273/Tpj查表Kpw2/20.484.09499.20K11.70m/s140.0016380.000.309.301.290.71Kg/m31.20542.33PaSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第18張名稱符號公式及計(jì)算數(shù)值單位2.自生通風(fēng)力計(jì)算高度H當(dāng)?shù)卮髿鈮篵煙氣均勻溫度Tpj煙氣密度p自生通風(fēng)力hzs三、煙道阻力計(jì)算SJD144-134.8m755.00mmHgZBD144-6499.20KP0*273/Tpj0.71Kg/m3b1

18、2.50PaH(1.2-p)760g3.高溫預(yù)熱器阻力hECOzs556.193Pah+hSJD144-2WDLZ240/9.8-2型鍋爐煙風(fēng)阻力計(jì)算書及匯總表共21張第19張名稱符號公式及計(jì)算數(shù)值單位三、煙道阻力計(jì)算（三）低溫預(yù)熱器1.煙氣阻力管子外徑dSJD144-1340.00mm沖洗排數(shù)ZSJD144-1334.002橫向節(jié)距S1SJD144-1356.00mm縱向節(jié)距S2SJD144-1384.00mm1S1/d1.402S2/d2.10S21S2+S289.544Cs煙氣均勻溫度Tpj煙氣流速wReRe0阻力系數(shù)P0煙氣密度P修正系數(shù)K阻力h（S1-d）/（S2-d）3.2+0.66(1.7-)1.5SJD144-1SJD144-1查線算圖1wRex10CsRe-0.27（0Z2+1）P0*273/Tpj查表Kpw2/20.334.26428.95K10.20m/s21.0021420.000.2910.151.290.82Kg/m31.20519.5