Description:
REBAR PRODUCTION PLANT YEAR 1973
Used secondhand Rebar Production Plant
Mfc.: Danieli, Pomini, Farrel, Allen Bradley Built: 1973 Stopped in 3/2018
Refurbished 2015 - On the mill has been renewed all the electronical control incl. power control.
The supervisor control (Automation by Capitanio) has been renewed between 2009 & 2013.
Mechanical overhuling on the final steps of the mill.
Entry billet dim.: 120, 130 & 140 mm square Length: 8.0 m
Rebar dimensions: dia. 8 – 32 mm Length: 6 – 14 m
Capacity: 1200 – 1400 ton on 3 shifts
Consist of: Re-heating furnace Roughing mill Flying shear Intermediate mill
Finishing mill Finished Monobloc Shears Winding lines
Water treatment unit Fire protection system High value in spare parts
Billet re-heating push furnace
Billet size: 120, 130 & 140 mm square Length: 8.0 m
Refractory Track and ceramic sole
54 radiant burners evenly distributed on the vault of the oven
4 radiant burners installed in the head wall Heat recovery unit
Measurement and control system (Capitanio Automations) for the automatic regulation of
temperature and pressure
Hydraulic pusher in two elements of the type TT / 60 / S (thrust force of 2x60 tons,
total stroke 2.4 meters, thrust speed 2 m / min.
Feeding tables Loader
Rod-shaped extruder for the extraction of square billets of max size 140 x L = 8 mt.
(stroke 7.500 mm., speed 45 mt / min.)
Roller extractor (speed 60 mt / min., installed power 15 HP)
Electrical installations and panels, measuring and control instruments, various auxiliary
equipment (Capitanio Automations)
Continuous roughing rolling mill Mfc.: POMINI FARREL with:
Controlled roller table located between furnace and monobloc t (L = 6.5 mt.)
Monobloc blocker Ø 520x250 mm A 3 horizontal cages and 3 vertical cages as following:
1 Stand
C.C. Motor ASI RUBICON Type: GH 315 PK 0-513 kW, 660 g / m
Mfc.: VAI Pomini Type: MB520 0-513 kW, 1300 rpm Ratio 1: 9.939
2 Stand
C.C. Motor ASI RUBICON Type: GH 315 PK 0- 513 kW, 660 g / min
Mfc.: VAI Pomini Type: MB520 0-513 kW, 1300 RPM
Ration: 1: 9.939 for stand 2 - Changed in 2003
Stands no. 3, 4, 5 & 6
- 1500 HP motor, 1100 kW (735 RPM and DP1610 parallel shaft speed reducer
- Control unit for the forced oil lubrication of the stands and gearboxes
- Controlled roller table located between the stands and the flying shear
Flying shears Type: VF-TS 2,5 (speed of the bars 1.8 m / sec
Minimum cutting temperature: 900 °) complete with accessories
Pneumatic diverter with relative electro-pneumatic equipment
Fixed bench with self-driving rollers located in connection with the Ø 450x800 mill
(L = 37 mt. 1st roller: 17)
1 st Intermediate mill Ø 455x800 Mfc.: POMINI FARREL - Type G4 with:
Qty. 2 Stands duo cylinders, fixed horizontal Red-Ring type, complete with
SP-560 speed gearbox, RCD-2-DR speed reducer, connection joints,
800 HP motor, lubrication control unit and accessories.
2 nd Intermediate mill Ø 360x700 Mfc.: POMINI FARREL - Type G3 with:
6 Stands with cylinders duo type Red-Ring horizontal fixed,
with bases and bars for equipment
2 SP-500 speed gearboxes with parallel axes and 3 RCD-2-DR speed reducers
Connection joints, qty. 3 120 HP motors, hydraulic power unit
Flying shear Type: VF 1,5
2 Groups of vertical channels for conveying bars, slides and pick-up collecting boxes
Finishing mill Ø 320x600 Mfc.: POMINI FARREL - Type G2 with:
6 Stands with cylinders duo type Red-Ring horizontal fixed complete with bases,
speed reducers, connection joints, motors of 800 HP, lubrication units and accessories
Two-way loop extractor with side discharge
2 Shears Type: SRF-200 with related drive systems, pickup collecting boxes
and accessories
Finished Monoblock mill Mfc.: POMINI FARREL with:
2 Loop trainers with one side discharge port
2 Continuous monobloc finishing mills, each with two vertical stands and two horizontal
stands, complete with motors and accessories
Channel to add the rolling mill to the plate and winding machines
REBAR PRODUCTION LINE - DIMENSIONS FROM 18 TO 32 MM
- Pneumatic diverter (lamination / scrapping) Shears S/S and DANIELI speed optimiser
- Single line Thermex cooling lines
- One-way horizontal axis roller conveyor with built-in TROC-300 type gearbox
- Shears OLS - C31 Start-Stop (variable setting: steering wheel / parallelogram / parallelogram
+ flywheel)
- Via roller - cast iron drawers for plate discharge
- Magnetic brakes incorporated in cast iron drawers
QUICK PRODUCTION LINE - 8 TO 16 MM DIAMETERS
- Double-line Thermex cooling lines
- 2 POMINI - TR40 pullers (installed between the Thermex to facilitate the advancement of the
round to the subsequent TR44 drivers).
- Pipes in cast iron - 2 POMINI - TR44 pullers
- 2 POMINI Start-Stop shears - Type VF1 - Shears - 4 Lines POMINI - FB44
- Draining in cooling plate with 4-line POMINI-tile cable ducts (one for each braking device)
High-speed three-way cooling plate, with fixed and mobile rakes, collection device, electric
motors and accessories
Fixed bench with self-driving rollers (L = 20 mt.)
Mechanical cold shear of the open-throat type (cutting force: 250 tons, bars width 750 mm)
Evacuation and packaging of straight bars (Techint Pomini) from the roller way (L = 22 mt)
consisting of:
Transfer trolley, 3 chain transferors, descenders, roller conveyors leaving the
descenders and in entry to the tying machines (L = 25 mt), new hydraulic power unit
Plant for packing and tying straight bars made up of collection saddles and two OMV binders in
Line
Lifting roller conveyor system for in-line connection of the two bar warehouse sheds
(Techint Pomini)
Automation of the whole system of management and supervision of the functioning of the
systems including the safety at work, from the roughing mill up to the wrapping of bundles has
been completely replaced and / or updated by Automazioni Capitanio in the years from 2003
to 2009.
LINES OF COILING AND FINISHING COILS
The first winding line (partly disused and out of service) consisting of:
4 Garret winding machines type GEPC-500, suitable for winding skeins of 800 kg., Complete with dragers, hydraulic power unit, lubrication and accessories (installed, but not in use)
2 COM shears with clutch Type CVS 30 FR, with pneumatic deviators for sending the bars to the winding machines (currently dismantled and stored off-line)
Conveyor belt type TT-1400 (L = 18.65 mt., width = 1.4 m.) (installed but not in use)
Pneumatic cradle pusher for tilting the skeins on the hook conveyor (installed but not in
use)
2nd reel line Mfc.: DANIELI consisting of:
2 flying shears "CV4R" type, with laminated diverter, group for collecting and unloading
chunks, hydraulic unit
2 "TRO 250" rolled feeders with transmission parts and lubrication motor pumps,
coupling connected to the engine in command and various equipment
2 lines of water cooling of the laminate (L = 18 mt.) Complete with containment box for
cooling devices, distribution network,
2 lines for forming and conveying coils each with a "TRO 320" type rolled conveyor,
winding unit and spire forming unit (Edemborg) with horizontal axis
2 controlled coil cooling mats, with roller conveyor belt, axial flow fans, support
structures and accessories
2 devices for the collection of spires, skeins forming (1,000 ÷ 1,200 kg.) and loading onto
the hook conveyor consisting of: coil collecting plates, vertical axial rollers,
thrusters with oleo dynamic control, roller conveyor, hydraulic unit.
TRANSPORT LINE, COLLECTION AND COIL BINDING
Folding cradle device for loading the coils on the overhead conveyor (installed
downstream of the new winding services)
2 devices with folding cradle (analoge to the previous one) for winding area with Garret
and unloading area for conveying skeins to the pressbraiding services
Aerial cable transporter type TG-2200 (modified), length = 221 mt., 138 hooks, coil
weight 1,200 kg., Complete with support columns, control unit and accessories
Station of seaming single skeins (max pressing force 6.000 kg.) Complete with support
frame and vertical sliding of the tying machines
2 Binders type "LB 1350/6" with pneumatic drive complete with binder winding wire reels
Collection and binding services of skeins including: roller bench (L = 11 mt.), Rotating
collector with 4 coils for the collection of skeins, hydraulic device for the rotation of gears for the transmission of motion
Packing station for bundles of skeins (bundle weight: 2,000 / 3,000 kg.
max. pressing: 25,000 kg.) including: carriage to support the tying machines,
4 "LB 2400/8" binding machines with wire reel and accessories, hydraulic power Unit
The second winding line and the transport line, collection and bending skeins, were the subject of a significant revamping completed in 2011 concerning:
- the security system (active and passive)
- the management and supervision system (Capitanio Automations)
- the two DANIELI CV4R shears, which from start-stop to pneumatic clutch have been
transformed into electric start-stops.
Warehouse transport and evacuation systems, complete with accessories
AUXILIARY SERVICES FOR SYSTEM SUPERVISION
Production control and supervision system for production plants created by AIC and
composed of:
P PC 2 HP servers 2 Rec video surveillance 18 Panasonic cameras
Automation and control system made by AIC using 13 electrical panels with Allen-Bradley PLC
12 MARELLI transformers for a total of 16,760 KVA, control and control panels, electric cables,
various and auxiliary equipment
Mill water treatment plant including:
1 decanter type DA 12 disconnected and no longer in use, Hydrocyclone complete with scale collection and storage system, sedimentation tank, sand filters, cooling towers, clean water collection tank, sludge collection and thickening system, pumps, piping, instruments and various accessories
Scale deposit system, complete with accessories
Electricity distribution network and driving force
Industrial water network, fed in addition to the withdrawals from the river, also from No. 1 well for fire-fighting use.
Fire protection system with 17 UNI45 fire-proof mouths + 4 mouths for mobile groups with foam, n ° 4 valves,
4 foaming stations, detectors, control units and auxiliary systems of the department.
The entire plant is equipped with a very wide range of spare parts such as: electric motors, rolling cylinders, bearings (also at our supplier for those "not quick supply"), gears, mechanical parts for binders, pneumatic systems,
- Also available various rolling stands for profile changes in the various types G4, G3, G2, for a total of 34 stands.
Weights:
Mill line: 500 Tons Bar cooling bed & cutting device: 200 Tons
Coil cooling bed & packaging device: 400 Tons
Hydraulic power pack/tooling/devices: 300 Tons