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2018-03-04View Original

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2x55孔的,5.5m的孔径,每天煤气耗量是32000方。可以根据这个算出烟气量么,请给个算的方式。谢谢????
Reply #22018-03-04
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Reply #32018-03-06
若是准确计算烟气量,需要知道煤气的组成和空气过剩系数。 若是大概计算,1立方米焦炉煤气产6立方米烟气。
Reply #42018-03-23
2x55孔的,5.5m的孔径,每天煤气耗量是32000方??还是每小时?没有满负荷?
Reply #52018-04-03
每小时烟气量,换算成标况,大约在20-23万方
Reply #62018-08-10
32万左右,需按35万标考虑风机选型
Reply #72018-08-13
按耗煤气量算,(含野风),一方煤气8方废气 算烟道废气余热发电的废气量都这么算
Reply #82018-08-23
根据煤气组成和与氧气的化学反应方程式,计算出理论需要的氧气量(空气量)及燃烧后的产物量 煤气组成 含量 反应式 理论耗氧量 VCO2 VH2O VN2 VO2 V m3/m3煤气 m3 H2 62.91 H2+0.5O2=H2O 0.5 31.46 CH4 21.89 CH4+2O2=CO2+2H2O 2 43.78 21.89 43.78 CO 5.51 CO+0.5O2=CO2 0.5 2.76 5.51 CnHm 1.86×0.8 C2H4+3O2=2CO2+2H2O 3 4.46 2.98 2.98 1.86×0.2 C6H6+7.5O2=6CO2+3H2O 7.5 2.79 2.23 1.12 CO2 2.13 2.13 O2 0.49 -0.49 N2 5.22 5.22 H2O 2.35 理论需氧量和产物量 84.76 34.74 113.14 5.22 实际空气量和带入的氧气、氮气 L实=αL理=αO理×(100/21) 1.3×84.76 ×(100/21) =524.70 524.70 ×0.0235 ×0.6 =7.40 524.70 ×0.79 =414.51 524.70 ×0.21 -84.76 =25.43 废气各成分量,m3 34.74 120.54 419.73 25.43 600.44 废气体积组成,% 5.798 20.08 69.90 4.24 100.00 注:CnHm以80%C2H4和20%C6H6计算,煤气饱和温度为20℃,相对湿度为0.6,空气过剩系数α=1.3算下来后,也就是每100立方米的煤气完全燃烧后产生600.44立方米的废气即每立方米煤气燃烧生成6立方米的废气。所以,不论每天还是每小时,只要把你的煤气用量乘以6就是你要的废气量了。
Reply #92018-08-23
有理论上升到经验,这个计算和思路非常不错

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