technical NOTES

Roll Press Vs. VRM Techno-Commercial Comparison Raw Mill System

S.N. Parameters Unit RP VRM

2.B Impact of Heat Requirement @ 1% feed Moisture & WHRS ON at guaranteed O/p

(Financial impact not considered as the heat requirement is met from PH Gases)

1 Total Heat Requirement (PH gases) Mkcal/Hr 11.1 16.8

2.C IMPACT ON VARIABLE COST PER

ANNUM

Rs (in Lacs) 0 383

2.D Net Impact of Variable cost per

annum

Rs (in Lacs) 0 383

Total Impact (Capital + 3 Years Vari-

able) - [1E+(2D*3)]

Rs (in Lacs) 0 1562

Total Impact (Capital + 5 Years Vari-

able) - [1E+(2D*5)]

Rs (in Lacs) 0 2327

• Note: Operating cost shall be validated with present condition.

7.5 Comparison of Single VRM v/s 2 Roller Press

Cost Comparison of VRM MPS-5600 with 2 circuits of Roll Press

S. N. Item Description^ UOM

VRM Circuit 1 x 605 TPH

(MPS-5600)

Roll Press Circuit 2 x 315

TPH

Capacity

(MT)

Weight

(MT)

Rs.

In

Lacs

Capacity

(MT)

Weight

(MT)

Rs. In

Lacs

A Raw Material Hopper building

1 LS Hopper-1 MT 1 x 800 89 59 2 x 400 97.9 65

2 LS Hopper-2 MT 1 x 800 89 59 2 x 400 97.9 65

3 Laterite

Hopper

MT 1 x 392 44.5 29 2 x 200 66 44

4 Red Ochre

Hopper

MT 1 x 392 44.5 29 2 x 200 66 44

5 Venting Lines &

chutes

MT 36 24 Includ-

ed in RP

Plate

work

6 Structural steel Extra

Gallery

of RP

feed Belt

conveyor

58 38

7 RCC Cum 1083 130 705 85

8 Cement cost Cum 487.35 17 317.25 11