锅炉作业解答

Q3?(VCOrCO?VCH4rCH4?VH2rH2)(1??1264010.63?0.16?11.5584（1-）?208.91kJ/kg100100rq4q)?COCO?Vgy(1?4)100100100

Q3208.91q3??100%??100%?0.99%

Qr210503、 排烟损失

V0H2O?0.111Har?0.0124Mar?0.0161V0?1.24Gwh?0.111*3.82?0.0124*8.13?0.0161*6.1439?0.424?0.1008?0.0989 ?0.6237Nm3/kg排烟温度为152.3℃时三原子气体、氮气、水蒸气与空气的比焓分别为267.8 kJ/Nm、198 kJ/Nm、231 kJ/Nm与202.1kJ/Nm

0Ipy?VRO2(C?)RO2?VN2(C?)N2?VH2O(C?)H2O3

3

3

3

?1.0325*267.8?4.8612*198?0.6237*231?276.5?962.52?144.07?1383.09kJ/kg

0Ipy?Ipy?(?py?1)Ik0?1383.09?(1.922?1)*6.1439*202.1???1383.09?1144.83?2527.92kJ/kg

q4Q2?Ipy??V?(C?)k???lk(1?)100

?(2527.92-1.922*6.1439*26)*0.8937?1984.82kJ/kg?0pyk?q2?Q2?100%?1984.82/21050*100%?9.43% Qr4、 散热损失

q5?0.83%

5、 灰渣物理热损失

Aar?lzch?h25.13?0.2?0.924?600q6???0.13%

Qr21050反平衡效率为

??100-10.63-9.43?0.99?0.83?0.13?77.99%