循環(huán)硫化床鍋爐效率計算程序

CFB鍋爐效率計算（ASMEPTC4.1）,,,,,,,

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項目,符號,單位,數(shù)據(jù)來源,試驗數(shù)據(jù),,,

一.試驗煤質(zhì)資料,,,,,,,

收到基碳,Car,%,化驗值,34.70,,,

收到基氫,Har,%,化驗值,2.41,,,

收到基氧,Oar,%,化驗值,10.72,,,

收到基氮,Nar,%,化驗值,0.94,,,

收到基硫,Sar,%,化驗值,2.04,72.06666667,,

全水分,Mar,%,化驗值,31.10,,,

收到基灰分,Aar,%,,18.09,100.00,,

收到基高位發(fā)熱量,HHV,kJ/kg,化驗值,14690.00,,,

收到基低位發(fā)熱量,HLV,kJ/kg,化驗值,12110,,,

實際燃料消耗量,B,kg/s,記測值,72.07,1號,t/h,75.1

二.試驗石灰石成分,,,,,2號,t/h,81.2

碳酸鈣,CaCO3,%,化驗值,91.30,3號,t/h,78.4

碳酸鎂,MgCO3,%,化驗值,0.00,4號,t/h,84.8

水分,Ms,%,化驗值,0.19,,,319.50

其它,As,%,化驗值,8.25,210.00,,23.33

實際石灰石耗量,G,kg/s,記測值,6.48,,,296.17

三.鈣硫摩爾比,,,,,,,

SO2轉(zhuǎn)換率,k,％,按90取定,90.00,,,

鈣硫摩爾比,Ca/S,,32×CaCO3×G/(100×B×k/100×Sar),1.43,,,

四.灰渣量,,,,,,,

脫硫效率（假設(shè)值）,ηs,%,先假定90，再循環(huán)計算。,82.85,1.00,,

脫硫效率（計算值）,ηs,%,,83.54,,,

每公斤煤燃燒脫硫生成的CaSO4,ACaSO4,kg/kg,4.246×ηs/100×Sar×k/100,0.06,,,

未反應(yīng)的氧化鈣,ACaO,kg/kg,1.75×k/100×Sar×［(Ca/S)-ηs/100］,0.019361,,,

石灰石中雜質(zhì)量,A′,kg/kg,3.125×(1-CaCO3/100-Ms/100)×k/100×Sar×(Ca/S)/CaCO3,0.0077,0.0917,,

灰渣量,A,kg/kg,Aar+ACaSO4+ACaO+A′,0.2726,,,

五.灰渣可燃物,,,,,,,

飛灰比率,rf,%,待定(47%),53.00,,,

爐渣比率,rs,%,待定(53%),47.00,,,

沉降灰比率,,%,,,,,

飛灰可燃物,Cf,%,化驗值,0.10,,,

爐渣可燃物,Cs,%,化驗值,0.92,,,

沉降灰可燃物,,%,,0.00,,,

灰渣平均可燃物,Cav,%,rs×Cs/100+rf×Cf/100,0.49,,,

干灰渣量,Wdp,kg/kg,A×100/(100－Cav),0.2739,71061.81,,

實際燒掉的碳,Cb,kg/kg,Car-Wdp×Cav/100,34.70,,,

六.煙氣特性,,,,,,,

預(yù)熱器出口氧量,O2,%,實測值,4.21,,,

預(yù)熱器出口二氧化碳,CO2,%,實測值,15.19,,,

預(yù)熱器出口一氧化碳,CO,%,實測值,0.00,,,

排煙中二氧化硫濃度,"CSO2""",mg/m3,,537.00,,,

預(yù)熱器出口氮,N2,%,100-O2-CO2-CO,80.60,,,

理論空氣量,A′θ,kg/kg,［11.51Car+34.30×(Har-Oar/7.937)+4.335×Sar+2.159×Sar×ηs/100］/100,4.48,,,

預(yù)熱器出口干煙氣量,WG′,kg/kg,［(44.01×CO2+28.01×CO+32.00×O2+28.02×N2)/12.01/(CO2+CO)］×［Cb+12.01/32.07×Sar×k/100×(1-ηs/100)+(Ca/S)×12.01/32.07×Sar×k/100］/100,6.01,,,

預(yù)熱器出口干空氣量,WA′,kg/kg,((28.02×N2×(Cb+12.01×Sar/32.07))/(12.01*(CO2+CO))-Nar)/0.7685/100,5.75,,,

干煙氣密度,γ,kg/m3,0.04299×(CO2/35.11+O2/48.28+N2/55.14+CO/55.16)×16.018,1.36,,,

七.脫硫效率,,,,,,,

每公斤煤燃燒應(yīng)生成的SO2,SO2′,kg/kg,64.07/32.07×k/100×Sar/100,0.04,,,

計算二氧化硫濃度,CSO2′,mg/m3,SO2′/WG′×γ×1000000×［15/(21-O2)］,8330.49,,,

排煙中二氧化硫濃度,CSO2,mg/m3,"CSO2""×15／(21－O2)×64.07/22.41",1371.60,,,

脫硫效率,ηs,％,(1－CSO2/CSO2′)×100,83.54,,,

八.大氣條件,,,,,,,

大氣壓力,PA,kPa,實測,88.10,,,

干球溫度,td,℃,實測,27.05,,,

濕球溫度,tw,℃,實測,20.32,,,

相對濕度,φ,%,查表,54.40,,,

飽和蒸汽壓力,Pb,Pa,611.7927+42.7809×td+1.6883×td^2+1.2079/100×td^3+6.1637/10000×td^4,3573.42,,,

空氣含濕量,WmA′,kg/kg,0.622×φ/100×Pb/(1000×PA-φ/100×Pb),0.01403,,,

九.溫度,,,,,,,

一次風(fēng)量,Wp,kg/s,實測,85.37,85.37391667,,

二次風(fēng)量,Ws,kg/s,實測,214.82,214.8175833,,

預(yù)熱器進(jìn)口一次風(fēng)溫,tp,℃,實測,67.60,,,

預(yù)熱器進(jìn)口二次風(fēng)溫,ts,℃,實測,42.50,,,

基準(zhǔn)溫度,tRA,℃,標(biāo)準(zhǔn)規(guī)定,25.00,,,

平均進(jìn)口空氣溫度,tpj,℃,（tp*Wp+tsWs）/(Wp+Ws),49.64,,,

煙氣中水分,mG,kg/kg,8.936×Har/100+WmA′×WA′+Mar/100+Ms/100×G/B,0.61,,,

排煙溫度,"ν""py",℃,實測值,160.50,,,

渣溫,tlz,℃,實測值,800.00,,,

煙氣中水分分壓力,PmG,Pa,1000×PA/｛1+150×Cb/100/［mG×(CO2+CO)］｝,13263.67,,,

煙氣中水蒸汽焓,"h""",kJ/kg,"查表（根據(jù)ν""py，PmG）或計算",2804.84,,,

基準(zhǔn)溫度下水蒸汽焓,hRV,kJ/kg,查表（根據(jù)tRA）或計算,2547.29,,,

CO2定壓比熱,,kj/kg.k,,0.8931,,,

O2,,kj/kg.k,,0.9222,,,

CO,,kj/kg.k,,1.0437,,,

N2,,kj/kg.k,,1.0382,,,

干煙氣平均比熱,CpG′,kJ/(kg.k),"查圖（根據(jù)ν""py,tRA）",1.0113,,,

爐渣比熱,Cplz,kJ/(kg℃),,1.1116,,,

飛灰比熱,Cpfh,kJ/(kg℃),,0.8415,,,

十.鍋爐效率計算,,,,,,,

未燃碳分熱損失,Luc,%,33727×Wdp×Cav/HLV,0.3703,,,

干煙氣帶走的熱損失,LG,%,"100×WG′×CpG′×(ν""py-tRA)/HLV",5.56,,,

燃料中水分引起的熱損失,Lmf,%,"Mar×(h""-hRV)/HLV",0.66,,,

氫生成的水分帶走的熱損失,LH,%,"8.936×Har×(h""-hRV)/HLV",0.46,,,

空氣中濕分帶走的熱損失,LmA,%,"100×WmA′×WA′×(h""-hRV)/HLV",0.17,,,

石灰石中水分帶走的熱損失,Ls,%,"Ms×G/B×(h""-hRV)/HLV",0.00,輸入項增加項目,,

CO引起的熱損失,LCO,%,23632×Cb×CO/(CO2+CO)/HLV,0.00,額定蒸汽流量（t/h）,1025.00,

輻射對流熱損失,LR,%,查圖,0.44,實際蒸汽流量（t/h）,986.76,

灰渣顯熱損失,Ld,%,"Wdp×［Cpfh*rf/100×(ν""py-tRA)+Cplz*rs/100×(tlz-tRA)］/HLV",1.00,,,

CaCO3煅燒熱損失（此項需考證）,LCaCO3,%,CaCO3×G/B×1830/HLV,1.24,,,

硫酸鹽化放熱（此項需考證）,q,%,Sar×k/100×ηs/100×15141/HLV,-1.92,,,

未測量損失,Lw,%,設(shè)計值,0.000,,,

總熱損失,L,%,Luc+LG+Lmf+LH+LmA+Ls+LCO+LR+Ld+LCaCO3-q,7.99,,,

鍋爐效率,η,%,100-L,92.01,,,

十一.效率修正,,,,,,,

1.煤質(zhì)資料,,,,,,,

收到基碳,Cd,%,設(shè)計值,25.44,,,

收到基氫,Hd,%,設(shè)計值,1.87,,,

收到基氧,Od,%,設(shè)計值,6.7,,,

收到基氮,Nd,%,設(shè)計值,0.61,,,

收到基硫,Sd,%,設(shè)計值,2.84,,,

全水分,Md,%,設(shè)計值,34.7,,,

收到基灰分,Ad,%,設(shè)計值,21.51,,,

收到基高位發(fā)熱量,HHVd,kJ/kg,設(shè)計值,13210.00,,,

收到基低位發(fā)熱量,HLVd,kJ/kg,設(shè)計值,12435.00,,,

設(shè)計燃料消耗量,Bd,kg/s,設(shè)計值,59.44,63.33333333,,

2.設(shè)計石灰石成分,,,,,,,

碳酸鈣,［CaCO3］d,%,設(shè)計值,97.40,,,

碳酸鎂,［MgCO3］d,%,設(shè)計值,1.00,,,

水分,Msd,%,設(shè)計值,0.23,,,

其它,Asd,%,設(shè)計值,1.32,,,

設(shè)計石灰石耗量,Gd,kg/s,設(shè)計值,7.14,,,

3.脫硫效率,,,,,,,

SO2轉(zhuǎn)換率,k,％,按90取定,90.00,,,

設(shè)計計算二氧化硫濃度,,,,,,,

實際二氧化硫排放濃度,,,,,,,

每公斤煤燃燒應(yīng)生成的SO2,SO2′,kg/kg,64.07/32.07×k/100×Sar/100,0.04,,,

鈣硫摩爾比,(Ca/S)d,,設(shè)計值,2.00,,,

脫硫效率,ηs,%,計算值,83.54,,,

4.灰渣量,,,,,,,

每公斤煤燃燒脫硫生成的CaSO4,(ACaSO4)d,kg/kg,4.246×ηs/100×Sd×k/100,0.09,,,

未反應(yīng)的氧化鈣,(ACaO)d,kg/kg,1.75×k/100×Sd×［(Ca/S)d-ηs/100］,0.05,,,

石灰石中雜質(zhì)量,A′d,kg/kg,3.125×(1-［CaCO3］d／100－Msd/100）×k/100×Sd×(Ca/S)d,0.0039,,,

灰渣量,A°,kg/kg,Ad+(ACaSO4)d+(ACaO)d+A′d,0.362,,,

5.灰渣可燃物,,,,,,,

灰渣平均可燃物,Cav°,%,rs×Cs/100+rf×Cf/100,0.49,,,

干灰渣量,Wdpd,kg/kg,A°×100/(100－Cav°),0.364,,,

實際燒掉的碳,Cbd,kg/kg,Cd-Wdpd×Cav°/100,25.438,,,

6.空氣、煙氣特性,,,,,,,

預(yù)熱器出口干煙氣量,WG′d,kg/kg,［(44.01×CO2+28.01×CO+32.00×O2+28.02×N2)/12.01/(CO2+CO)］×［Cbd+12.01/32.07×Sd×k/100×(1-ηs/100)+(Ca/S)d×12.01/32.07×Sd×k/100］/100,4.62,,,

預(yù)熱器出口干空氣量,WA′d,kg/kg,｛28.02×N2×［Cbd+12.01/32.07×Sd×k/100×(1-ηs/100)+(Ca/S)d×12.01/32.07×Sd×k/100］/12.01/(CO2+CO)-Nd｝/0.7685/100,5.70,,,

設(shè)計空氣含濕量,WmA′d,kg/kg,設(shè)計值,0.01,,,

保證基準(zhǔn)溫度,tRAd,℃,設(shè)計值,40.00,,,

預(yù)熱器進(jìn)口煙溫,ν′,℃,實測值,317.30,,,

修正后的排煙溫度,"ν""d",℃,"［tRAd×(ν′-ν""py)+ν′×(ν""py-tRA)］/(ν′-tRA)",154.85,,,

煙氣中水蒸汽焓,"h""d",kJ/kg,"查表（根據(jù)ν""d，PmG）或計算",2792.69,,,

飽和水蒸汽焓,hRVd,kJ/kg,查表（根據(jù)tRAd）或計算,2572.95,,,

CO2定壓比熱,,kj/kg.k,,0.8906,,,

O2,,kj/kg.k,,0.9220,,,

CO,,kj/kg.k,,1.0434,,,

N2,,kj/kg.k,,1.0382,,,

干煙氣平均比熱,CpG′,kJ/(kg℃),,1.0109,,,

7.修正后的鍋爐效率,,,,,,,

干煙氣帶走的熱損失,LGd,%,"100×WG′d×CpG′d×(ν""d-tRAd)/HLVd",4.31,,,

燃料中水分引起的熱損失,Lmfd,%,"Md×(h""d-hRVd)/HLVd",0.61,,,

氫生成的水分帶走的熱損失,LHd,%,"8.936×Hd×(h""d-hRVd)/HLVd",0.30,,,

空氣中濕分帶走的熱