Vrco2=
100mr＝
y
×
mr＝1.122mr(Nm3/kg)
28
yr1
VN2＝0.79VLKmr＋28100VrH2O＝2
mr＝0.79×6.157mr＋×
y100
×
100
mr＝4.872mr (Nm3/kg)
100
×
y100
mr＋
18
mr＝(
2
×
100
＋
18
×
)mr＝0.456mr (Nm3/kg)
Vrso2=×
ymr ＝
×
mr=0.002mr (Nm3/kg)
Vr＝Vrco2＋VrN2＋VrH2O＋Vrso2＝(1.122＋4.872＋0.456＋0.002)mr＝6.452mr (Nm3/kg) mr=(m'LK＋l－
y)mr＝(7.961＋l－
mr＝8.704mr (kg/kg)
e.烟气中过剩空气量
Vk＝(αf—1)V'Lkmr＝(1.40－1)×6.157mr ＝2.463mr (Nm3/kg) mk＝Vk×1.293=2.463×1.293＝3.185mr (kg/kg) 其中：
VkN2=0.79Vk=0.79×2.463mr＝1.946mr (Nm3/kg) mkN2＝VkN2×
22.4
＝1.946×
22.4
mr＝2.433mr (kg/kg)
VkO2＝0.21Vk=0.21×2.463mr ＝0.517mr (Nm3/kg) mkO2=VkO2×f.总废气量
Vf=VCO2+VN2+VH2O+VO2+VSO2
=(0.281－0.072 mr ＋1.122 mr)＋(4.872 mr ＋1.946 mr)＋(0.004－0.001 mr ＋0.020－0.005 mr ＋0.456 mr)＋0.517 mr ＋0.002 mr＝0.305＋8.837mr
(3)出预热器飞灰量 mfh＝0.100 (kg/kg) 1.2 热量平衡计算 1.2.1 收入项目 (1)燃料燃烧生成热
QrR＝mrQyDW＝23200mr (kJ/kg) (2)燃料带入显热
Qr＝mrCrtr＝mr×1.154×60=69.240mr (kJ/kg) (0～60℃时熟料平均比热Cr＝l.154kJ/kg·℃) (3)生料带入热量
22.4
＝0.571×
22.4
mr =0.739mr (kg/kg)