鍋爐燃?xì)鉄崃τ?jì)算zzzz

WNS2-1.25-Y(Q),,,,,,,

全自動(dòng)燃油（氣）蒸汽鍋爐,,,,,,,

熱力計(jì)算書,,,,,,,

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（燃?xì)猓?,,,,,,

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計(jì)算：,,,,,,,

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校核：,,,,,,,

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審核：,,,,,,,

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,,二○一三年十一月,,,,,

目錄,,,,,,,

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,Ⅰ.鍋爐規(guī)范,,,,,,

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,Ⅱ.燃料特性,,,,,,

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,Ⅲ.理論空氣量，煙氣理論容積的計(jì)算,,,,,,

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,Ⅳ.各受熱面煙道中煙氣特性表,,,,,,

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,Ⅴ.鍋爐熱平衡及燃料消耗量計(jì)算,,,,,,

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,Ⅵ.爐膛熱力計(jì)算,,,,,,

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,Ⅶ.第二回程螺紋煙管,,,,,,

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,Ⅷ.第三回程螺紋煙管,,,,,,

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,Ⅸ.節(jié)能器熱力計(jì)算,,,,,,

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,Ⅹ.熱力計(jì)算匯總表,,,,,,

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依據(jù)：《鍋爐機(jī)組熱力計(jì)算－標(biāo)準(zhǔn)方法》,,,,,,,

上海工業(yè)鍋爐研究所二〇〇一年編印(73版編譯),,,,,,,

WNS2-1.25-Y(Q)鍋爐熱力計(jì)算,,,,,,,

Ⅰ.鍋爐規(guī)范：,,,,,,,

1,額定蒸發(fā)量,D,kg,2000,,,

2,額定蒸汽壓力,P,MPa,1.25,,,

3,額定蒸汽溫度,t1,℃,194.00,,,

4,節(jié)能器出口溫度,t2,℃,48.0,,,

5,給水溫度,t３,℃,20,,,

6,冷空氣溫度,tlk,℃,20,,,

Ⅱ.燃料特性：,,,,,,,

,,CH4,%,95,,,

,,Cmhn,%,2.4,,,

,,H2,%,1,,,

,應(yīng)用基成分%,CO,%,0.1,,,

,,CO2,%,0.5,,,

,,N2,%,1,,,

,,O2,%,0,,,

,,H2S,mg/m3,400,,,

,,S,mg/m3,100,,,

,,H2O,mg/m3,1,,,

,,Qnet.p,KJ/m3,35588,,,

Ⅲ.理論空氣量，煙氣理論容積的計(jì)算：,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式,,,結(jié)果

1,理論空氣重量,V0,m3/m3,=0.0476×﹙0.5×0.1+0.5×1+4.2×400÷1000000÷100000＋2×95＋3×2.4＋7×100÷100000÷1000000－0﹚,,,9.4129

2,N2理論容積,VN20,m3/m3,0.01×1＋0.79×9.4129,,,7.4462

3,RO2理論容積,VRO2,m3/m3,=0.01×（0.5+0.1+95+2.4﹚,,,0.9800

4,H2O理論容積,VH2O0,m3/m3,0.01×﹙1＋2×95＋2×2.4＋0.0161×9.4129,,,2.1095

Ⅳ.各受熱面煙道中煙氣特性表：,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,出口過量空氣系數(shù),α,,給定,,1.1,

2,漏風(fēng)系數(shù),△α,,給定,,0.1,

3,實(shí)際水蒸氣容積,VH2O,m3/m3,=2.1095＋0.0161×﹙1.1－1﹚×7.4462,,2.1247,

4,煙氣總?cè)莘e,Vy,m3/m3,"=0.9800+7.4462

+2.1095=﹙1.1-1﹚×9.4129",,11.4770,

5,RO2容積份額,rRO2,,=0.9800÷11.4770,,0.0854,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

6,H2O容積份額,rH2O,,=2.1247÷11.4770,,0.1851,

7,三原子氣體容積份額,rq,,rRO2+rH2O=0.0854+0.1851,,0.2705,

8,煙氣質(zhì)量,Gy,kg/m3,1-Aar/100+1.306αpjV0,,13.908,

Ⅴ.鍋爐熱平衡及燃料消耗量計(jì)算,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,燃料低位發(fā)熱值,Qnet.q,KJ/m3,設(shè)計(jì)給定,,35588.00,

2,冷空氣溫度,tlk,℃,設(shè)計(jì)給定,,20.0,

3,冷空氣理論熱焓,Ilk,KJ/m3,查焓溫表,,248.5,

4,排煙溫度,θl〞,℃,設(shè)計(jì)給定,,160.00,

5,排煙熱焓,Il〞,KJ/m3,根據(jù)θl〞及αpj查煙氣焓溫表,,2539.38,

6,固體不完全燃燒熱損失,q4,%,查計(jì)算標(biāo)準(zhǔn)5-02,,0.00,

7,氣體不完全燃燒熱損失,q3,%,查計(jì)算標(biāo)準(zhǔn)5-02,,0.50,

8,排煙過量空氣系數(shù),αpy,,,,1.00,

9,排煙熱損失,q2,%,(Ipy-αpyIlk)/Qr(100-q4)=﹙2539.38-1×248.5﹚×﹙100－0﹚÷35588,,6.44,

10,散熱損失,q5,%,查計(jì)算標(biāo)準(zhǔn)5-01,,3.60,

11,灰渣物理熱損失,q6,%,,,0.00,

12,鍋爐總熱損失,∑q,%,∑q=q2+q3+q4+q5+q6=6.44+0.5+0+3.6+0,,10.54,

13,鍋爐熱效率,η,%,100-∑q=﹙1-10.54÷100﹚×100,,89.46,

14,額定蒸汽溫度,t,℃,設(shè)計(jì)給定,,194.00,

15,額定蒸汽焓,I,KJ/kg,查附錄Ⅱ，一,,2787.30,

16,給水溫度,tgs,℃,節(jié)能器出口溫度,,37.89,

17,給水焓,i1,KJ/kg,節(jié)能器出口焓值,,202.62,

18,排污率,ρ,%,設(shè)計(jì)給定,,2.0,

19,鍋爐有效利用熱,Q1,kj/s,設(shè)計(jì)給定,,1400.00,

20,燃料消耗量,B,m3/h,100Q1/(Qnet.q﹒η)=100×3600×1400÷(89.46×35588),,158.3013,

21,計(jì)算燃料消耗量,Bj,m3/h,B(1-q4/100)=158.3013×(1-0÷100),,158.3013,

22,保熱系數(shù),ψ,/,1-q5/(η+q5)=1-3.6÷(89.46+3.6),,0.96,

Ⅵ.爐膛熱力計(jì)算,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,爐膛容積,Vl,m3,πd12h1/4+πd22h2/4=3.14×0.552×2.48÷4+3.14×1.112×0.55÷4,,1.11,

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序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

2,爐墻面積,Fl,m2,πd1h1/4+2×πd22/4+πd2h2=3.14×0.55×2.48+3.14×1.1×0.55＋3.14×﹙2×1.12﹚÷4,,8.08,

3,輻射層有效厚度,S,m,3.6Vl/Fl=3.6×1.11÷8.08,,0.50,

4,爐墻水冷壁有效角系數(shù),x,,查計(jì)算標(biāo)準(zhǔn)6－04，線算圖1,,1.00,

5,水冷壁灰污系數(shù),ζ,,查計(jì)算標(biāo)準(zhǔn)6－20，表6－2,,0.55,

6,熱有效系數(shù),Ψ,,xζ=1×0.55,,0.55,

7,爐膛輻射受熱面積,Hf,m2,設(shè)計(jì)結(jié)構(gòu)給定（波膽+回燃室）,,7.75,

8,爐膛出口過量空氣系數(shù),α′′,,設(shè)計(jì)給定,,1.10,

9,爐膛漏風(fēng)系數(shù),△α,,設(shè)計(jì)給定,,0.10,

10,冷空氣溫度,tlk,℃,設(shè)計(jì)給定,,20.00,

11,冷空氣焓,Ilk,KJ/m3,設(shè)計(jì)給定冷空氣溫度決定,,248.50,

12,熱空氣溫度,trk,℃,先按沒有空氣預(yù)熱器,,20.00,

13,熱空氣焓,Irk,KJ/m3,先按沒有空氣預(yù)熱器,,248.50,

14,"空氣帶入爐內(nèi)

熱量",Qk,KJ/m3,(α′′-△α)Irk+△α×Ilk=(1.1-0.1)×248.5+0.1×248.5,,273.35,

15,爐膛入爐熱量,Ql,KJ/m3,Qnet.q(100-q3-q4-q6)/(100-q4)+Qk=35588×(100-0.5-0-0)÷(100-0)+273.35,,35683.41,

16,理論燃燒溫度,θjr,℃,查焓溫表,,1890.85,

17,絕對(duì)燃燒溫度,Tjr,K,Θjr+273=1890.85+273,,2163.85,

18,爐膛出口煙溫,θl〞,℃,先假定后校核,,1333.00,

19,爐膛出口煙焓,Il〞,KJ/m3,查焓溫表,,24130.49,

20,爐膛出口絕對(duì)溫度,Tl〞,K,θl〞+273=1333+273,,1606.00,

21,煙氣平均熱容量,VC,KJ/m3·℃,(Ql-Il〞)/(Tjr-Tl)=(35683.41-24130.49)÷(2163.85-1606),,20.71,

22,爐內(nèi)壓力,p,MPa,給定,,0.104,

23,三原子氣體減弱系數(shù),Kq,1/m.MPa,,,1.5507,

24,碳黑粒子減弱系數(shù),Kg,1/m.MPa,,,1.7065,

25,介質(zhì)減弱系數(shù),K,1/m.MPa,kq+kg=1.5507+1.7065,,3.2572,

26,發(fā)光火焰黑度,afg,,1-e-kps,,0.1544,

27,不發(fā)光火焰黑度,abf,,1-e-kqps,,0.0767,

28,系數(shù),m,,查計(jì)算標(biāo)準(zhǔn)6-07,,0.60,

29,火焰黑度,ay,,mafg+(1-m)abf=0.6×0.1544＋﹙1－0.6﹚×0.0767,,0.1233,

30,爐膛黑度,al,,,,0.2037,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

31,波爾茨頓準(zhǔn)則,B0,,ψBjVC/(5.7×10-11ΨHfTjr3)=,,0.3557,

32,系數(shù),M,,按計(jì)算標(biāo)準(zhǔn)6-13,,0.49,

33,無因次出口溫度,Θl〞,,,,0.7422,

34,爐膛出口煙氣絕對(duì)溫度,Tl〞,K,Θl〞×Tjr=0.7422×2163.85,,1605.92,

35,爐膛出口煙氣溫度,θl〞,℃,Tl〞-273=1605.92-273,,1332.92,

36,校核,,,"θ１〞假定－θ１〞<100,合格",,0.08,

37,爐膛出口煙焓,Il〞,KJ/m3,查煙焓表,,24076.93,

38,爐膛輻射放熱量,Qf,KJ/m3,ψ(Ql-Il〞)=0.96×(35683.41-24076.93),,11157.50,

39,燃燒室熱強(qiáng)度,qV,KW/m3,BQnet.q/V=158.3013÷3600×35588÷1.11,,1408.14,

40,輻射受熱面熱流密度,qf,KW/m2,Qf/Hf=11157.5÷7.75,,1439.91,

Ⅶ.第二回程螺紋煙管,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,進(jìn)口煙溫,θl,℃,由上表決定,,1332.92,

2,進(jìn)口煙焓,I′,KJ/m3,查焓溫表,,24076.93,

3,出口煙溫,θl〞,℃,假定,,411.00,

4,出口煙氣絕對(duì)溫度,Tl〞,K,θl〞+273=411+273,,684.00,

5,出口煙焓,Il〞,KJ/m3,查焓溫表,,6701.68,

6,煙氣側(cè)對(duì)流放熱量,Qrp,KJ/m3,ψ(I′-I〞)＝0.96×（24076.93-6701.68）,,16703.12,

7,工質(zhì)流量,Dgz,kg/s,設(shè)計(jì)給定,,0.56,

8,額定蒸汽溫度,t,℃,設(shè)計(jì)給定,,194.00,

9,額定蒸汽焓,I,KJ/kg,查附錄Ⅱ，一,,2787.30,

10,給水溫度,t1,℃,節(jié)能器出口溫度,,37.89,

11,給水焓,i1,KJ/kg,節(jié)能器出口焓值,,202.62,

12,平均水溫,tpj,℃,(t1+t2)/2,,194.00,

13,最大溫差,△td,℃,=1332.92-193.35,,1138.92,

14,最小溫差,△tx,℃,=411-193.35,,217.00,

15,受熱面的平均溫降,△t,℃,(△td-△tx)/ln(△td/△tx),,556.06,

16,平均煙溫,θpj,℃,tpj+△t=193.35+556.88,,750.06,

17,導(dǎo)熱系數(shù),λ,W/(m·K),查表3-2,,0.0871,

18,運(yùn)動(dòng)粘度系數(shù),ν,m2/s,查表3-2,,0.000122,

19,煙氣普朗特準(zhǔn)則數(shù),Pr,,查表3-2,,0.605,

20,平均煙氣的絕對(duì)溫度,T,K,θpj+273=750.23+273,,1023.06,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

21,煙氣流通面積,F,m2,Nπd2/4=42×3.14×0.0452÷4,,0.067,

22,煙氣容積,Vy,m3/kg,VRO2+VH2O+VN20+(αpj-1)V0,,11.4770,

23,煙氣中水蒸汽容積份額,rH2O,,VH2O/Vy,,0.1851,

24,煙氣中三原子氣體容積份額,rRO2,,VRO2/Vy,,0.0854,

25,煙氣密度,ρy,kg/m3,Gy/Vy=13.908÷11.4770,,1.2118,

26,煙氣中飛灰濃度,μfh,kg/kg,Aarafh/(100Gy)=0×0.2/（100×13.908）,,0.0000,

27,管徑,d,m,設(shè)計(jì)給定,,0.045,

28,螺紋節(jié)距,P,m,,,0.030,

29,螺紋深度,h,m,,,0.002,

30,輻射層有效厚度,s,m,=0.9×0.045,,0.0405,

31,煙氣流速,wy,m/s,BjVy(θpj+273)/(273F)=158.3013÷3600×11.4770×1023.23÷（0.067×273）,,28.33,

32,雷諾數(shù),Re,,wd/ν=28.33×0.045÷0.000112,,10447.56,

33,努謝爾特?cái)?shù),Nu,,,,52.59,

34,煙氣對(duì)流換熱系數(shù),αd,W/(m2·℃),λNu/d=0.0871×52.59÷0.045,,101.81,

35,管壁灰污溫度,tb,℃,按熱力計(jì)算標(biāo)準(zhǔn)方法按7-36條,,254.00,

36,管壁灰污絕對(duì)溫度,Tb,K,tb+273=253.35+273,,527.00,

37,爐內(nèi)壓力,p,MPa,給定,,0.104,

38,三原子氣體減弱系數(shù),Kq,1/m.MPa,,,8.7312,

39,碳黑粒子減弱系數(shù),Kg,1/m.MPa,,,0.9374,

40,煙氣輻射吸收力,kps,,(kq+kg)ps=（8.7303+0.9376）×0.104×0.0405,,0.0407,

41,煙氣黑度,ay,,1-EXP(-kps),,0.0399,

42,輻射放熱系數(shù),αf,W/(m2·℃),5.7×10-8(1+ab)/2ayTy3(1-(Tb/Ty)4)/(1-Tb/Ty),,4.20,

43,熱有效系數(shù),ψ,,按7－53，表7－1,,0.85,

44,傳熱系數(shù),k,W/m2℃,,,90.11,

45,受熱面積,H,m2,n*3*3.14*d=42×3.14×0.045×2.46,,14.60,

46,傳熱量,Qch,KJ/m3,H△tk/Bj×103=14.6×556.88×90.11÷﹙158.3013×1000﹚×3600,,16635.75,#REF!

47,誤差百分?jǐn)?shù),e,%,（Qrp-Qch）/Qrp×100%=（16703.12-16660.71）÷16703.12,,0.40,<2%

Ⅷ.第三回程螺紋煙管,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,進(jìn)口煙溫,θl,℃,由上表決定,,411.00,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

2,進(jìn)口煙焓,I′,KJ/m3,查焓溫表,,6701.68,

3,出口煙溫,θl〞,℃,設(shè)計(jì)給定,,228.00,

4,出口煙氣絕對(duì)溫度,Tl〞,K,θl〞+273=228+273,,501.00,

5,出口煙焓,Il〞,KJ/m3,查焓溫表,,3640.52,

6,煙氣側(cè)對(duì)流放熱量,Qrp,KJ/m3,ψ(I′-I〞)＝0.96×（6701.68-3640.52）,,2942.75,

7,工質(zhì)流量,Dgz,kg/s,設(shè)計(jì)給定,,0.56,

8,額定蒸汽溫度,t,℃,設(shè)計(jì)給定,,194.00,

9,額定蒸汽焓,I,KJ/kg,查附錄Ⅱ，一,,2787.30,

10,給水溫度,t1,℃,節(jié)能器出口溫度,,37.89,

11,給水焓,i1,KJ/kg,節(jié)能器出口焓值,,202.62,

12,平均水溫,tpj,℃,(t1+t2)/2,,194.00,

13,最大溫差,△td,℃,=411-193.35,,217.00,

14,最小溫差,△tx,℃,=228-193.35,,34.00,

15,受熱面的平均溫降,△t,℃,(△td-△tx)/ln(△td/△tx),,98.73,

16,平均煙溫,θpj,℃,tpj+△t=193.35+99.59,,292.73,

17,導(dǎo)熱系數(shù),λ,W/(m·K),查表3-2,,0.0478,

18,運(yùn)動(dòng)粘度系數(shù),ν,m2/s,查表3-2,,0.000045,

19,煙氣普朗特準(zhǔn)則數(shù),Pr,,查表3-2,,0.651,

20,平均煙氣的絕對(duì)溫度,T,K,θpj+273=292.94+273,,565.73,

21,煙氣流通面積,F,m2,Nπd2/4=56×3.14×0.0452÷4,,0.089,

22,煙氣容積,Vy,m3/kg,VRO2+VH2O+VN20+(αpj-1)V0,,11.4770,

23,煙氣中水蒸汽容積份額,rH2O,,VH2O/Vy,,0.1851,

24,煙氣中三原子氣體容積份額,rRO2,,VRO2/Vy,,0.0854,

25,煙氣密度,ρy,kg/m3,Gy/Vy=13.908÷11.4770,,1.2118,

26,煙氣中飛灰濃度,μfh,kg/kg,Aarafh/(100Gy)=0×0.2/（100×13.908）,,0.0000,

27,管徑,d,m,設(shè)計(jì)給定,,0.045,

28,螺紋節(jié)距,P,m,,,0.030,

29,螺紋深度,h,m,,,0.002,

30,輻射層有效厚度,s,m,=0.9×0.045,,0.0405,

31,煙氣流速,wy,m/s,BjVy(θpj+273)/(273F)=158.3013÷3600×11.4770×565.94÷（0.089×273）,,11.75,

32,雷諾數(shù),Re,,wd/ν=11.5×0.045÷0.000045,,11786.31,

33,努謝爾特?cái)?shù),Nu,,,,58.76,

34,煙氣對(duì)流換熱系數(shù),αd,W/(m2·℃),λNu/d=0.0478×58.75÷0.045,,62.40,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

34,管壁灰污溫度,tb,℃,按熱力計(jì)算標(biāo)準(zhǔn)方法按7-36條,,254.00,

35,管壁灰污絕對(duì)溫度,Tb,K,tb+273=253.35+273,,527.00,

36,爐內(nèi)壓力,p,MPa,給定,,0.104,

37,三原子氣體減弱系數(shù),Kq,1/m.MPa,,,11.1085,

38,碳黑粒子減弱系數(shù),Kg,1/m.MPa,,,0.9374,

39,煙氣輻射吸收力,kps,,(kq+kg)ps=（11.1074+0.9376）×0.104×0.0405,,0.0507,

40,煙氣黑度,ay,,1-EXP(-kps),,0.0495,

41,輻射放熱系數(shù),αf,W/(m2·℃),5.7×10-8(1+ab)/2ayTy3(1-(Tb/Ty)4)/(1-Tb/Ty),,1.66,

42,熱有效系數(shù),ψ,,按7－53，表7－1,,0.85,

43,傳熱系數(shù),k,W/m2℃,,,54.45,

44,受熱面積,H,m2,n*3*3.14*d=56×3.14×0.045×2.98,,23.58,

45,傳熱量,Qch,KJ/m3,H△tk/Bj×103=23.58×99.59×54.45÷﹙158.3013×1000﹚×3600,,2882.55,#REF!

46,誤差百分?jǐn)?shù),e,%,（Qrp-Qch）/Qrp×100%=（2942.75-2907.88）÷2942.75,,1.05,<2%

Ⅸ.節(jié)能器熱力計(jì)算,,,,,,,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

1,進(jìn)口煙溫,θl,℃,由上表決定,,150.00,

2,進(jìn)口煙焓,I′,KJ/m3,查焓溫表,,3640.52,

3,出口煙溫,θl〞,℃,假定,,167.50,

4,出口煙氣絕對(duì)溫度,Tl〞,K,θl〞+273=167.5+273,,440.50,

5,出口煙焓,Il〞,KJ/m3,查焓溫表,,2659.63,

6,煙氣側(cè)對(duì)流放熱量,Qrp,KJ/m3,ψ(I′-I〞-△α(I′+I〞)/2)＝0.96×（3640.52-2659.63）,,942.94,

7,工質(zhì)流量,Dgz,kg/s,設(shè)計(jì)給定,,0.56,

8,給水溫度,t1,℃,設(shè)計(jì)給定,,20.00,

9,給水焓,i1,KJ/kg,查附錄Ⅱ，二,,85.10,

10,節(jié)能器出口水焓,I,KJ/kg,i1＋QrpBj/Dgz=85.1＋942.94×158.3013÷3600÷0.56,,159.73,

11,節(jié)能器出口水溫度,t,℃,查附錄Ⅱ，二,,37.89,

12,平均水溫,tpj,℃,(t1+t2)/2=﹙20＋37.89）÷2,,28.94,

13,最大溫差,△td,℃,=228-37.89,,112.11,

14,最小溫差,△tx,℃,=167.5-20,,147.50,

15,受熱面的平均溫降,△t,℃,(△td-△tx)/ln(△td/△tx),,129.00,

16,平均煙溫,θpj,℃,tpj+△t=28.94+167.91,,157.94,

17,導(dǎo)熱系數(shù),λ,W/(m·K),查表3-2,,0.0366,

18,運(yùn)動(dòng)粘度系數(shù),ν,m2/s,查表3-2,,0.000026,

序號(hào),名稱,符號(hào),單位,計(jì)算公式或來源,,數(shù)值,

19,煙氣普朗特準(zhǔn)則數(shù),Pr,,查表3-2,,0.660,

20,平均煙氣的絕對(duì)溫度,T,K,θpj+273=196.85+273,,430.94,

21,煙氣流通面積,F,m2,ab-n（ldl+n2×1×D）-ca,,0.084,

22,煙氣容積,Vy,m3/kg,VRO2+VH2O+VN20+(αpj-1)V0,,11.4770,

23,煙氣中水蒸汽容積份額,rH2O,,VH2O/Vy,,0.1851,

24,煙氣中三原子氣體容積份額,rRO2,,VRO2/Vy,,0.0854,

25,煙氣中飛灰濃度,μfh,kg/kg,Aarafh/(100Gy)=0×0.2/（100×13.908）,,0.0000,

26,管徑,d,m,設(shè)計(jì)給定,,0.026,

27,輻射層有效厚度,s,m,=0.9×0.026,,0.0234,

28,煙氣流速,wy,m/s,BjVy(θpj+273)/(273F)=158.3013÷3600×11.4770×469.85÷（0.084×273）,,9.52,

29,橫向節(jié)距,σ1,mm,結(jié)構(gòu)給定,,75.00,

30,修正系數(shù),Cs,,ψσ=0.999<1.7，Cs=0.34ψσ0.1,,0.34,

31,修正系數(shù),Cz,,"由于Z2>10,Cz=1",,1.00,

32,煙氣對(duì)流換熱系數(shù),αd,W/(m2·℃),CsCzλ/d（wd/ν）0.6Pr0.33,,100.82,

33,管壁灰污溫度,tb,℃,按熱力計(jì)算標(biāo)準(zhǔn)方法按7-36條,,53.94,

34,管壁灰污絕對(duì)溫度,Tb,K,tb+273=53.94+273,,326.94,

35,爐內(nèi)壓力,p,MPa,給定,,0.104,

36,三原子氣體減弱系數(shù),Kq,1/m.MPa,,,15.6092,

37,碳黑粒子減弱系數(shù),Kg,1/m.MPa,,,0.1563,

38,煙氣輻射吸收力,kps,,(kq+kg)ps=（15.3419+0.2076）×0.104×0.0234,,0.0384,

39,煙氣黑度,ay,,1-EXP(-kps),,0.0376,

40,輻射放熱系數(shù),αf,W/(m2·℃),5.7×10-8(1+ab)/2ayTy3(1-(Tb/Ty)4