technical NOTES

Comparison for 4/ 5/6 Stage Preheater (Estimation at 9500 TPD Capacity) 
PH Stage Reduction
Remarks
Data Unit 4 stage 5 Stage 6 Stage
Differential PH
Fan Sp. Power
consumption

KW / of T

clinker -0.110 -0.008 0.000



Differential
Bucket elevator
Sp. Power
consumption

KW / of T

clinker

-0.195 -0.100 0.000 

Total Saving
on Power
(including
generation)

KW / of T

clinker

41.4 34.7 31.3 

Saving
for power
generation
(Net ) (+)

Rs lacs / year 8825 7389 6682 

Cost on
additional
Sp. Heat
consumption
(-)

Lacs Rs/ year 1411 627 0 

Total Opex Lacs Rs/ year 7415 6762 6682 
Differential
Opex
Lacs Rs/ year 733 80 0 

Capex

Differential PH
civil concrete
cost

Lacs Rs -733 -367 0

Considering

11000 M3

concrete for 6

stage PH and

correspondingly

per stage factor

considered @

Rs.20000 /m3

cost