36 posts
re High power consumption of Preheater Fan
If you can give following parameters it is easy to know the basic reason for high power consumption.
PH fan inlet static pressure (mmwg)
PH fan inlet temperature.
PH fan inlet gas density.
PH fan outlet static pressure (mmwg)
If possible PH fan flow as measured (m3/hr)
Regards,
BLM
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79 posts
re High power consumption of Preheater Fan
Please check the dust load at Ph fan .
If the recirculating dust load is high due to any reason (1) may be problem in top cyclone efficiency, (2) very fine rawmix etc. than there is a chance that dust load will be very high at fan inlet which increases the power consumption of the fan due to change in the density.
If dust load is increased by 10 gm/m3( i.e from 50 to 60 gm/m3), then power consumption will be increased by 7 to 8 kwh for a fan with 220000 m3/hr volume.
chari
153 posts