PH Stage Reduction from 6 to 5 Stage Remarks/
Data Unit 5 Stage 6 Stage Considerations
Net Fuel Cost Rs/ M kcal 1000 1000
Grid power Cost Rs/ kwh 7.1 7.1
Cost of Power generation by
WHRS Rs/ kwh 0.3 0.3^
Clinker Production TPD 9500 9500
Potential
capacity
PH Exit sp. gas volume Nm3/ kg clinker 1.4 1.33
Sp. Fuel Consumption kcal/kg clinker 700 680
% Stage 700
6 Stage 680
PH exit gas volume Nm3/ hr 554167 526458
PH exit gas temperature Deg c 290 265
Boiler outlet temperature Deg c 150 150
PH Gas specific heat
Kcal/ Nm3/
deg c 0.348 0.348^
Heat available for WHR from
PH Mkcal/ hr 27.03 21.05^
Heat utilised in WHR kcal/kg clinker 68.30 53.17
Power generation potential
( 3800 kcal/kwh) from PH
Gross
MW 7.11 5.54
Power generation potential
from AQC with HAR Gross
MW 7.44 7.66
Reduction
in exit
loses due to
lesser gas
available
f o r AQ C
(Combustion
air increases
due to
higher Sp. Fuel
consumption)
Total power generation
gross (PH + AQC with HAR) MW 14.55 13.20^