燃料燃燒計(jì)算程序參考

序號(hào),項(xiàng)目,符號(hào),單位,計(jì)算公式或求取方法,數(shù)值,,,,,,,,,,

1,用煤量,m,kg/h,已知條件,,,,,表一理論燃燒溫度tmax隨空氣過剩系數(shù)n變化數(shù)據(jù),,,,,,

2,煤的元素成分,,,,,,,,應(yīng)用基低位發(fā)熱量Q0,22893.42738,,19000,,25000,

,收到基（應(yīng)用基）碳,Car,%,已知條件,58.6,,,,空氣消耗系數(shù)n,,理論燃燒溫度,,理論燃燒溫度,,理論燃燒溫度

,收到基（應(yīng)用基）氫,Har,%,已知條件,3.9,,,,1,,2513.147736,,2113.312235,,2729.482198

,收到基（應(yīng)用基）氧,Oar,%,已知條件,7.11,,,,1.1,,2384.861937,,2007.402091,,2589.089857

,收到基（應(yīng)用基）氮,Nar,%,已知條件,1.57,,,,1.2,,2270.173499,,1912.717651,,2463.578083

,收到基（應(yīng)用基）硫,Sar,%,已知條件,0,,,,1.3,,2167.029393,,1827.563976,,2350.700098

,收到基（應(yīng)用基）灰分,Aar,%,已知條件,19.92,,,,1.4,,2073.770094,,1750.570997,,2248.639765

,收到基（應(yīng)用基）水分,War,%,已知條件,8.9,,,,1.5,,1989.039612,,1680.619237,,2155.913129

,收到基（應(yīng)用基）低位發(fā)熱量,Qar，net,kJ/kg,Qar，net=4.187[81C+246H-26(O-S)-6W],22893.42738,,,,1.6,,1911.719133,,1616.785023,,2071.295789

3,空氣需要量,,,,,,,,1.7,,1840.87733,,1558.299473,,1993.768529

,空氣消耗系數(shù),n,1,待定數(shù),1.2,,,,1.8,,1775.732675,,1504.517371,,1922.476065

,理論空氣量,L0,m3/kg,L0=0.01（8.89C+26.67H+3.33S-3.33O）,6.012907,,,,1.9,,1715.62448,,1454.893269,,1856.695361

,實(shí)際空氣量,Ln,m3/kg,Ln=nL0,7.2154884,,,,2,,1659.990415,,1408.962918,,1795.811018

4,理論燃燒產(chǎn)物,,,,,,,,,,,,,,

,CO2量,V0（CO2）,m3/kg,V（CO2）=0.224*C/12,1.093866667,,,,,,,,,,

,SO2量,V0（SO2）,m3/kg,V（SO2）=0.224*S/32,0,,,,,,,,,,

,RO2量(CO2與SO2),V0（RO2）,m3/kg,V（RO2）=V（CO2）+V（SO2),1.093866667,,,,,,,,,,

,H2O量,V0(H2O),m3/kg,V(H2O)=0.224(H/2+M/18)（未計(jì)空氣中水的含量）,0.547555556,,,,,,,,,,

,N2量,V0(N2),m3/kg,V(N2)=0.224*N/28+0.79*L0,4.76275653,,,,,,,,,,

,理論產(chǎn)物量,V0,m3/kg,V0=0.224（C/12+S/32+H/2+M/18+N/28）+0.79L0,6.404178752,,,,,,,,,,

,CO2含量,φ0(CO2）,%,φ(CO2）=100V（CO2）/V0,17.08051429,,,,,,,,,,

,SO2含量,φ0(SO2),%,φ(SO2)=100V（SO2）/V0,0,,,,,,,,,,

,RO2含量（CO2與SO2）,φ0(RO2),%,φ(RO2)=100V（RO2）/V0,17.08051429,,,,表二理論燃燒溫度tmax隨燃煤低熱值Q0變化數(shù)據(jù),,,,,,

,H2O含量,φ0(H2O),%,φ(H2O)=100V(H2O)/V0,8.549973021,,,,空氣消耗系數(shù)n,1.2,1.4,1.6,,,

,N2含量,φ0(N2）,%,φ(N2）=100V(N2)/V0,74.36951269,,,,應(yīng)用基低位發(fā)熱量Q0,理論燃燒溫度,理論燃燒溫度,理論燃燒溫度,,,

5,實(shí)際燃燒產(chǎn)物,,,,,,,,23000,2320.958727,2181.94076,2039.8829,,,

,CO2量,Vn（CO2）,m3/kg,V（CO2）=0.224*C/12,1.093866667,,,,25000,2507.880937,2353.442294,2198.314197,,,

,SO2量,Vn（SO2）,m3/kg,V（SO2）=0.224*S/32,0,,,,27000,2694.803146,2524.943829,2356.745494,,,

,RO2量(CO2與SO2),Vn（RO2）,m3/kg,V（RO2）=V（CO2）+V（SO2),1.093866667,,,,29000,2881.725356,2696.445363,2515.176792,,,

,H2O量,Vn(H2O),m3/kg,V(H2O)=0.224(H/2+M/18),0.547555556,,,,31000,3068.647566,2867.946897,2673.608089,,,

,N2量,Vn(N2),m3/kg,V(N2)=0.224*N/28+0.79*Ln,5.712795836,,,,33000,3255.569775,3039.448432,2832.039387,,,

,O2量,Vn(O2),m3/kg,V(O2)=0.21(Ln-L0),0.252542094,,,,,,,,,,

,實(shí)際產(chǎn)物量,Vn,m3/kg,Vn=0.224（C/12+S/32+H/2+M/18+N/28）+(n-0.21)L0,7.606760152,,,,表三鍋爐總熱負(fù)荷Q隨空氣消耗系數(shù)n的變化數(shù)據(jù),,,,,,

,CO2含量,φn(CO2）,%,φ(CO2）=100V（CO2）/Vn,14.38019137,,,,固定碳含量C%,50,30,10,,,

,SO2含量,φn(SO2),%,φ(SO2)=100V（SO2）/Vn,0,,,,空氣消耗系數(shù)n,鍋爐總熱負(fù)荷kJ/kg,鍋爐總熱負(fù)荷kJ/kg,鍋爐總熱負(fù)荷kJ/kg,,,

,RO2含量（CO2與SO2）,φn(RO2),%,φ(RO2)=100V（RO2）/Vn,14.38019137,,,,1,21401.15588,14266.40317,7129.650458,,,

,H2O含量,φn(H2O),%,φ(H2O)=100V(H2O)/Vn,7.198275542,,,,1.1,21515.3851,14343.25111,7171.117126,,,

,N2含量,φn(N2）,%,φ(N2）=100V(N2)/Vn,75.10156389,,,,1.2,21627.61431,14420.09905,7212.583794,,,

,O2含量,φn(O2）,%,φ(O2）=100V(O2)/Vn,3.319969198,,,,1.3,21739.84352,14496.94699,7254.050462,,,

6,輸入鍋爐熱量,,,,,,,,1.4,21852.07273,14573.79493,7295.51713,,,

,燃料的干燥基定壓比熱容,cp，ar,kJ/(kg.℃),car=cd(100-War)/100+4.187War/100,1.520503,,,,1.5,21964.30194,14650.64287,7336.983797,,,

,固體燃料干燥溫度,tr,℃,設(shè)定值（0℃<tr≤300℃）,200,,,,1.6,22076.53115,14727.49081,7378.450465,,,

,燃料的物理顯熱,ir,kJ/kg,ir=cp，artr,304.1006,,,,1.7,22188.76036,14804.33875,7419.917133,,,

,空氣預(yù)熱溫度,tk,℃,設(shè)定值(100℃<tk<500℃),150,,,,1.8,22300.98957,14881.18668,7461.383801,,,

,鍋爐進(jìn)口處理論空氣的焓,H0k,kJ/kg,查表，插值,1274.431572,,,,1.9,22413.21878,14958.03462,7502.850469,,,

,外源加熱空氣時(shí)帶入的熱量,Qwr,kJ/kg,Qwr=nH0k(忽略冷空氣焓),1529.317886,,,,2,22525.44799,15034.88256,7544.317137,,,

,鍋爐輸入熱量,Qr,kJ/kg,Qr=Qar，net+ir+Qwr,24726.84587,,,,表四鍋爐總熱負(fù)荷Q隨燃煤固定碳含量C%變化數(shù)據(jù),,,,,,

7,灰渣熱量,,,,,,,,空氣消耗系數(shù)n,1.1,1.3,1.5,,,

,灰渣焓值,Hash,kJ/kg,Hash=0.01Aarαfh（cθ）h,216.21168,,,,固定碳含量C%,鍋爐總熱負(fù)荷kJ/kg,鍋爐總熱負(fù)荷kJ/kg,鍋爐總熱負(fù)荷kJ/kg,,,

,灰渣熱量,Qash,kJ/kg,Qash=Hash,216.21168,,,,10,7171.117126,7212.583794,7336.983797,,,

8,消耗單位質(zhì)量燃料的散熱量,,,,,,,,20,10757.18412,10875.49873,10993.81333,,,

,鍋爐爐膛散熱量,Q1,kJ/kg,插值差分,9728.735426,,,,30,14343.25111,14496.94699,14650.62487,,,

,再熱器散熱量,Q2,kJ/kg,插值差分,4744.62311,,,,40,17929.3181,18118.39525,18307.4724,,,

,過熱器散熱量,Q3,kJ/kg,插值差分,3173.781647,,,,50,21515.3851,21739.84352,21964.30194,,,

,省煤器散熱量,Q4,kJ/kg,插值差分,3567.997027,,,,60,25101.45209,25361.29178,25621.13147,,,

,空氣預(yù)熱器散熱量,Q5,kJ/kg,插值差分,1675.839672,,,,70,28687.51908,28982.74004,29277.96101,,,

9,各環(huán)節(jié)熱負(fù)荷計(jì)算,,,,,,,,80,32273.58607,32604.18831,32934.79054,,,

,經(jīng)鍋爐爐膛后煙氣溫度,t1,℃,已知條件,1200