Dalmia DSP Success Story

CONTRACT AwARDs 47

With a vision to install the best plant, the final
specifications of major equipment awarded on M/s
FLSmidth as mentioned below:

Section Operating Remarks

Raw mill

(HRP 3.07)

600 TPH – guaranteed Grindability – 5 kWh/t

@ 15% R on 90 μ

666 TPH – operating Grindability – 4.5

kWh/t @ 15% R on

90 μ

706 TPH – operating Grindability – 4.5

kWh/t @ 18% R on

90 μ

Blending silo 12,000 m^3 15,000 T

Coal mill

(ATOX 32.5)

37 TPH 38 HGI @ 1% R on 90 μ

41 TPH (expected) 38 HGI @ 3% R on 90 μ

Kiln size 5 x 81 mtr (4.5% slope) VL 5.94 @ 8,000 TPD

guaranteed capacity

VL 7.06 @ 9500 TPD

potential capacity

Pre-heater 6-stage – 2-string (total

volume: 11,378 m^3 )

[2 x 7,500 (CCX), 2 x

9,000 (2–6 stage)]

PH fan pressure 350 at

guaranteed capacity and

501 mmwg @ potential

capacity

Pre-calciner 8.5 m x 66.2 m (main

vessel)

8.15 m x 62 m (goose

neck + exit duct).

Effective volume: 6,884 m³

Total retention time –

14 sec @ operating

capacity

Downcomer

duct

6-metre dia. From CCX

cyclone cone up to PH

boiler bifurcation duct,

then 4.75 m dia. In

direct line up to PH fan

Pressure drop in DC

duct is 30 mmwg and

velocity 16 m/sec

(WHRS off mode) @

8,000 TPD