6. RE-HEATING FURNACE OF WRM
Consortium leader :M/s Bricmont Inc. USA
( Technology ,Design Engg, Supply of Main Eqpt, supervision)
Consortium Partner: M/s Gillanders Arbuthnot &
Co.Ltd. ( MICCO), INDIA
(Design Engg of Auxiliary Eqpt, Supply,Erection,Supervision)
Consultant : M/S MECON Ltd.
(Project Management)
6
7. DESCRIPTION
TYPE- WALKING BEAM WITH IN FURNACE
ROLLS SIDE CHARGING AND SIDE
DISCHARGING TYPE.
CAPACITY- 150TPH (Cold charge)/180 TPH
(Hot charge)
SIZE – L-19.5M X W-12.9M X H-14.6 M
MIXED GAS FIRED WITH INPUT BILLETS OF
150 mmx150 mmx12 mtr.
DEDICATED W.T.P WITH EMERGENCY O/H
TANK.
LEVEL 2 AUTOMATION WITH LEVEL 3
INTERFACE.
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12. Main Valve
N2 purge
CO
gas
Main Header 1000 DN
Heat Zone Preheat
Zone
SoakZone
Charging
Door
Dischargin
g Door
Gas Pipelines & Burner position
600DN
550DN
400DN
350DN
250DN
200DN
15. Wire Rod Mill
Type of Mill Single strand continuous, +5 m mill floor level
Capacity of the Mill 550000 t/year
Wire rod sizes 5.5 mm to 22 mm in 0.5 mm increments 6.0
mm rebar
Re heating furnace 150 t/hr walking beam type
Input billet size 150X150 mm, 12 M long
Maxm. Delivery speed 115 m/sec
Grades of steel Carbon steel, spring steel, Electrode quality,
Cold heading, low alloy steel, forging quality,
Rebar
Operating days 300
Working days 6 days (3 shifts per day)
Hot rolling hours 5500
Coil weight 2T
Coil size (mm) 850 ID/ 1250 OD
Yield 97 %
Mill Utilization 74.8
15
16. Wire Rod Mill
Billet Cold/hot
charging & Weighing
Re-heating Furnace
Billet discharging
& descaling
Roughing Mill
Crop & Cob.Shear #1
Intermediate Mill
Crop & cob. shear #2
Pre finishing Mill (vertical
loopers & carpet roll charging
Pinch roll, crop shear#3
Horizontal looper
2 stand pre-finishing block
Water box
Pinch roll & crop shear/snap shear
Horizontal looper
8 stand No twist block
Water box
High speed crop & cob. shear
RSM
Water box
Pinch roll & laying head
Coil conveyor & forming chamber
Coil conveyor, compacting,tying,
Weighing, trimming station
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26. Location:
The laying forming head is
located between the Wire
rod Block and the cooling
conveyor
Purpose:
The purpose of the laying
head is to form the wire rod
turns and discharge them
onto the cooling conveyor.
LAYING HEAD AND COIL FORMING ROLLER TABLE
31. Parameters Bar Mill
1. Type Single strand continuous 2 Hi, H-V
housing less stands
2. Supplier Danieli, Italy
3. Capacity 900,000 MT/Year
4. Bar sizes 8 to 50 mm
(TMT up to 40.0 mm)
5. Reheating
furnace
160 T/hr walking beam furnace
6. Input Billet
size
150 mm square, 12 mt. long
7. Max. delivery
speed
38.0 m/sec
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BAR MILL
32. Parameters New Mill
8. Grades of product Carbon steel, low alloy steel &
Rebar
9. Operating days 300
10. Working days
per week
6 days (3 shifts per day)
11. Hot rolling hours 5500
12. Bundle weight 2-5 T
13. Commercial length 6,9,12 M
14. Yield 97 %
15. Mill utilization 71.3 %
32
