Description
VOEST ALPINE & LOECO ZINC-Coating Plant For Pipes – Year 1981
Maximum capacity: 60.000 t/year (16 t/h)
Producible dimensions: ¼” to 4”
Producible lengths: 4 to 7 m
Zn layer: 400 g/m2 according to DIN 2444
Manufacturer VOEST ALPINE / LOECO
Model ZINC-COATING PLANT FOR PIPES
Condition Used
Maximum capacity 60.000 t/year (16 t/h)
Producible dimensions ¼” to 4”
Producible lengths 4 to 7 m
Zn layer 400 g/m2 according to DIN 2444
Total machine weight: aprox. 1500t
Complete documentation is available and will be provided with the line.
2) EQUIPMENT LIST
A) ADJUSTING SECTION
Leveller No.1
Unit for electromagnetic pipe testing
End facing treatment of pipes No.1
End facing treatment of pipes No.2
Packing unit No.1
Packing unit No.2
Unit for tethering with wire No.1
Unit for tethering with wire No.2
Unit for tethering with strip (tape)
Weighing machine with automatic transporter
Leveller No.1
End facing treatment of pipes No.3
End facing treatment of pipes No.4
End facing treatment of pipes No.5
End facing treatment of pipes No.6
End facing treatment of pipes (thread) No.7
Hydrostatic tester with 2 heads No.1
Hydrostatic tester with 2 heads No.2
Hydrostatic tester with 4 heads
Transport system
B) CHEMICAL PRETREATMENT SECTION
Chemical pretreatment tunnel
Chain Transporters
Degreasing baths
Hot rinsing baths
Pickling baths
Cold rinsing baths
Flux bath
Neutralization station
Vertical transporter
Pipe dryer
Hydraulic unit No.1
Wet scrubber
Traverse for return transport
C) ZINC COATING SECTION
Zinc coating bath (for pipes)
Zinc coating bath (other constructions)
Dipping device
Lifting device
Pipe extracting machine
Filter station
D) FINISHING SECTION
Chain radial transporter
Roller axial transporter
Passivation unit
End facing treatment unit
Coupling tubular threaded connecting unit
Packing unit
Hydraulic unit No.2
BOILER ROOM
Steam boiler No.1
Steam boiler No.2
Degasser unit No.1
Degasser No.2
Water softener
Tank for hard fuel
Pump station
1) LINE GENERAL SPECIFICATION
1.1 BASIC DATA
Year of construction 1981
Maximum capacity 60.000 t/year (16 t/h)
Producible dimensions ¼” to 4”
Producible lengths 4 to 7 m
Zn layer 400 g/m2 according to DIN 2444
1.2 EQUIPMENT DATA
A) ADJUSTING SECTION
Leveller No.1
Diameter:
Manufacturer:
from ½” to 4”
VOEST ALPINE-Austria
Unit for electromagnetic pipe
testing
Diameter:
Manufacturer:
from ½” to 4”
CENTRO TEST-Germany
End facing treatment of pipes No.1
Diameter:
Length:
Manufacturer:
from ½” to 4”
8m
VOEST ALPINE-Austria
End facing treatment of pipes No.2
Diameter:
Length:
Manufacturer:
from ½” to 4”
6m
VOEST ALPINE-Austria
Packing unit No.1
Diameter:
Length:
Manufacturer:
from ½” to 4”
8m
VOEST ALPINE-Austria
Packing unit No.2
Diameter:
Length:
Manufacturer:
from ½” to 4”
6m
VOEST ALPINE-Austria
Unit for tethering with wire No.1
Manufacturer: MACKLY-Italy
Unit for tethering with wire No.2
Manufacturer: MACKLY-Italy
Unit for tethering with strip (tape)
Manufacturer: SIGNODE-Germany
Weighing machine with automatic
transporter
Length:
Manufacturer:
18m max.
VOEST ALPINE-Austria
Leveller No.1
Diameter:
Manufacturer:
½” to 4”
VOEST ALPINE-Austria
End facing treatment of pipes No.3
Diameter:
Length:
Manufacturer:
½” to 4”
6 to 8,5m
LANDIS-Germany
End facing treatment of pipes No.4
Diameter:
Length:
Manufacturer:
from ½” to 4”
from 6 to 8,5m
LANDIS-Germany
End facing treatment of pipes No.5
Diameter:
Length:
Manufacturer:
from ½” to 4”
from 6 to 8,5m
LANDIS-Germany
End facing treatment of pipes No.6
Diameter:
Length:
Manufacturer:
from ½” to 4”
from 6 to 8,5m
LANDIS-Germany
End facing treatment of pipes No.7
(thread)
Diameter:
Length:
Manufacturer:
from ½” to 4”
6m
KAGERER-Austria
Hydrostatic tester with 2 heads
No.1
Diameter:
Manufacturer:
up to 1”
VOEST ALPINE-Austria
Hydrostatic tester with 2 heads
No.2
Diameter:
Manufacturer:
up to 2”
VOEST ALPINE-Austria
Hydrostatic tester with 4 heads
Diameter:
Manufacturer:
up to 4”
VOEST ALPINE-Austria
B) CHEMICAL PRETREATMENT SECTION
Chemical pretreatment tunnel
Width:
Capacity:
Transport system composed of :
Entry & exit chamber capacity:
Manufacturer:
8 m
35 ton
-transport cars 4pcs.
-hydra. pillars 26pcs.
-chemicals baths 11 pcs.
60000 ton/year
VOEST ALPINE-Austria
Degreasing baths
Bath volume:
Bath temperature:
Treatment time:
Degreasing liquid:
Manufacturer:
2 pcs.
18,5 m3
80°C – 90°C
8 min.
5% NaOH or industrial detergent
LOECO-Germany
Hot rinsing baths
Bath volume:
Liquid:
Manufacturer:
2 pcs.
15,5 m3
Hot water
LOECO-Germany
Pickling baths
Bath volume:
Concentration:
Temperature:
Treatment time:
Manufacturer:
4pcs.
14,6 m3
15-20% HCL
30 to 40°C
8 min. per bath
LOECO-Germany
Cold rinsing baths
Bath volume:
Manufacturer:
2 pcs.
14,6 m3
LOECO-Germany
Flux bath
Bath volume:
Bath temperature:
Density:
pH:
Manufacturer:
1 pc.
14,6 m3
55°C
30 Be
4 to 4.5
LOECO-Germany
Neutralization station
Capacity:
Manufacturer:
6 m3
/h
OSKO-Austria
Vertical transporter
Capacity:
Manufacturer:
60000 ton/year
VOEST ALPINE-Austria
Pipe dryer
Temperature:
Capacity:
Manufacturer:
100 – 180°C
60000 ton/year
LOECO-Germany
Wet scrubber
Fan No.1
Capacity:
Fan No.2
Capacity:
Chimney
Diameter:
Manufacturer:
23.000 m3
/h
10.000 m3
/h
1.000 mm
OSKO-Austria
Traverse for return transport
Pipe bundle weight:
Lifting speed:
Longitudinal travel speed for the
main crane runway:
Hoist load group:
Feed rate of the bundle feed:
Crane design by:
Throughput:
max. 2.500 kg dry pipes
5/1 m/min
20/5 m/min
FEM V
5 m/min
DIN 15018 H 2/ B 3
min. 1 bundle/h
max. 8 bundle/
C) ZINC COATING SECTION
Zinc coating bath for pipes
Dimensions:
Temperature of molten zinc:
Zn layer:
Immersion time:
Manufacturer:
1,8 x 1,6 x 8m
460 – 464°C
400 g/m2 according to DIN
2444
40 – 300 sec
PILING-Germany
Zinc heating system
Composed of:
Manufacturer:
-brenners gas/mazut 8pcs.
-exhaust chimneys 2pcs.
-suction lines 4pcs.
-distribution channel for heat
gas & fresh air 1pc
LOECO-Germany
Filter station
Filter No.1
Type of filter:
Type of application:
Type of gas:
Type of dust:
Effective air throughput:
Temperature:
Cycle time:
Bags diameter:
Bags length:
Bags quantity:
Bags quality:
Filtering area:
Manufacturer:
Filter No.2
Type of filter:
Type of application:
Type of gas:
Type of dust:
Effective air throughput:
Temperature:
Cycle time:
Bags diameter:
Bags length:
Bags quantity:
Bags quality:
Filtering area:
IFJC 45/5-2
dust removal hood above the
galvanizing
air
Zinc oxide
23.000 m3
/h
65°C
10 sec.
160 mm
2250 mm
225 pcs.
PP-V 600
255 m2
INTENSIV FILTER-Germany
IFJC 45/3-2
dust removal from two pipe
discharging hoods
air
Zinc dust
21.000 m3
/h
30 °C
10 sec
160 mm
2250 mm
135 pcs.
PEA-V 550
153 m2
Chimney
Diameter:
Manufacturer:
1.200 mm
INTENSIV FILTER-Germany
Pipe extracting machine
Diameter:
Length:
Saturated steam temperature:
Pressure:
Manufacturer:
½“ to 4”
3 to 7,5m
300°C
max. 15 bar
LOECO-Germany
Unit for automatic dipping, cooling
down & transport of zinc pipes
Diameter:
Length:
Manufacturer:
½“ to 4”
3 to 7,5m
LOECO-Germany
D) FINISHING SECTION
Passivation unit with own transport
system (Chromating of pipes)
Diameter:
Length:
Chromating (1/2”):
Pipe sequence:
Manufacturer:
3/8” – 4”
4m – 7m
max 800 pcs/h
4,5 sec
VOEST ALPINE-Austria
End facing treatment & threading
unit
Width:
Capacity:
Manufacturer:
½“ to 4”
6 to 8,5m
LANDIS-Germany
Packing unit
Manufacturer: VOEST ALPINE-Austria
Electrical room
Manufacturer: VOEST ALPINE-Austria
1.3 CONSUMPTION DATA
HCL 8 -11 kg/t
Electrical Energy Chemical treatment са. 135 KWh/h,
Tunnel lighting са. 20 kWh/h
Coating material – Zn 60 – 80 kg/t
Natural Gas 487 Nm3
/h
Compressed air 1.300 Nm3
/h
Water Average 5 m3
/h; Max 8 – 10 m3
/h
BOILER ROOM
Steam boiler with secondary steam
heating No.1
Capacity:
Pressure:
Manufacturer:
3 ton/h of overheated steam
16 bar
LOOS-Germany
Steam boiler with secondary steam
heating No.2
Capacity:
Pressure:
Manufacturer:
5 ton/h of overheated steam
16 bar
DIMCE BANJAROT-Macedonia
Degasser unit No.1
Manufacturer: LOOS-Germany
Degasser unit No.2
Manufacturer: DIMCE BANJAROT- Macedonia
Water softener
Manufacturer: DIMCE BANJAROT- Macedonia
Tank for hard fuel (mazut)
Capacity:
Manufacturer:
350 m3
DIMCE BANJAROT- Macedonia
Pump station
Manufacturer: DIMCE BANJAROT- Macedonia
