⒈恒容高位發(fā)熱量(Qgr,v)換算成恒壓高位發(fā)熱量(Qgr,p)& l# l, T+ V( m! ?4 r6 c Qgr,p,ad=Qgr,v,ad+6.15Had-0.775Oad J/g2 a; v2 I5 q4 G4 w⒉恒容高位發(fā)熱量(Qgr,v)換算成恒容低位發(fā)熱量(Qnet)0 @1 }+ L! b! O8 G Qnet,v,ad=Qgr,v,ad-0.01(L-RT)(Had/2.016+Mad/18.0154) J/g= Qgr,v,ad-205.96Had-23.05Mad J/g式中:L —水在恒壓下的汽化熱(25℃),L=44 KJ/mol R —
氣體常數(shù),R=8.315J/mol. ℃1 t- D9 l: d; Q! P( E; X* d RT—煤在恒壓狀態(tài)下燃燒,1 mol的水蒸汽變成恒容狀態(tài)時因體積的減少而做的功。⒊恒壓高位發(fā)熱量(Qgr,p)換算成恒壓低位發(fā)熱量(Qnet,p)0 c2 g7 j9 i' S- N! PQnet,p,ad=Qgr,p,ad-0.01L(Had/2.016+Mad/18.016)J/g; r M1 M0 ~( y! k* r=Qgr,p,ad-218.25Had-24.42Mad J/g5 ?9 e% w3 }+ X( i* T# \9 x⒋恒容高位發(fā)熱量(Qgr,v)換算成恒壓低位發(fā)熱量(Qnet,p)/ @2 j" e: i5 r" Q9 U' I5 H) G: p Qnet,p,ad=Qgr,v,ad-212.1Had-0.775Oad-24.42 Mad J/g⒌空氣干燥基恒容高位發(fā)熱量(Qgr,v,ad)換算成收到基恒壓低位發(fā)熱量(Qnet,p,ar) Qnet,p,ar=(Qgr,v,ad-212.1Had-0.775Oad )×((100-Mt)/(100-Mad))-24.42Mt J/g) y: |/ f* m6 q* }* k⒍空氣干燥基恒容高位發(fā)熱量(Qgr,v,ad)換算成收到基恒容低位發(fā)熱量(Qnet,v,ar) Qnet,v,ar=(Qgr,v,ad-205.96Had)×((100-Mt)/(100-Mad))-23.05Mt J/g⒎收到基恒壓低位發(fā)熱量(Qnet,p,ar)的另一算法: Qnet,p,ar= (Qgr,p,ad-((21825-6.15Mt-212.1Mad)/(100-Mad))×Had+0.775×((100-Mt) /(100-Mad))×Oad)×((100-Mt)/(100-Mad))-24.42Mt J/g% F* \/ V: x6 W2 J" g⒏恒濕無灰基的高位發(fā)熱量(Qgr,maf)的計算+ K1 ]5 n( ~- {7 M) }% nQgr,maf=Qgr,ad×(100(100-MHC)/(100(100-Mad) -Aad(100-MHC))) J/g7 q7 o" s, A% Z2 VQgr,maf=Qgr,ad×((100-MHC)/(100-(Mad +Aad(100-MHC)/100))) J/g9 \& o/ a( C& j4 ^ l 100%