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理论烟气量为:V=(CO+H2+3CH4+N2+CO2) 100100 =(28+14+3×2+51.6+44) m ×1.19=1.98Nm3/Nm煤气 100 实际烟气量为:V=V+(a-V=198+02×119=2Nm/Nm煤气 6.解: (1)无遮热板时: 567×107(1073-649) 1.51×10w/ E112E2 0.310.5 (2)有遮热板时 567×10(1073-6494) q =1.51×103w/m2 今+-+2-2+11-E2-1-03,1,,1-0.0511-0.5 91 0.310.0510.5 151×103 567×10(10732-t) (3) Eb-eb3 1-0.311-0.05 0.3 E113E3t=925K=652C 解得t=925K=652℃5 理论烟气量为: 0 2 42 2 1 79 ( 3 )V 100 100 = ++ ++ + CO H CH N CO a 0 f V 1 79 3 3 (28 14 3 2 51.6 4.4) 1.19 1.98 / 100 100 = + +×+ + + × = Nm Nm 煤气 实际烟气量为: 0 33 ( 1)V 1.98 0.2 1.19 2.22 / V Nm Nm f a =+− = + × = α 0 f V 煤气 6.解: (1)无遮热板时: 84 4 1 2 4 2 1 2 1 12 2 5.67 10 (1073 649 ) 1.51 10 / 1 1 1 0.3 1 1 0.5 1 0.3 1 0.5 Eb Eb q wm ε ε εϕ ε − − × − = = =× − −− − + + + + (2)有遮热板时: 84 4 1 2 3 2 1 2 3 1 13 3 23 2 5.67 10 (1073 649 ) 1.51 10 / 1 1 1 1 1 1 0.3 1 1 0.05 1 1 0.5 2 2 0.3 1 0.05 1 0.5 Eb Eb q w m ε ε ε εϕ εϕ ε − − × − = = =× − − − − −− ++ ++ ++ ++ (3) 1 3 1 3 1 13 3 1 1 1 Eb Eb q ε ε ε ϕ ε − = − − + + ⇒ 8 44 3 5.67 10 (1073 ) 1.51 10 1 0.3 1 1 0.05 0.3 1 0.05 925 652 t tK C − × − × = − − + + = = o 解得t K = = 925 652 ℃
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