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GI LINE

GI-LINE
GI-LINE
Product description

GI Line

1. Technical sketch of horizontal furnace galvanizing line

2. Typical horizontal furnace galvanizing line process:

Entrance steel coil car coiling → uncoiler → entrance double shear → narrow lap welding machine →1# tension digging → alkali washing device

→ alkali scrubbing device → electrolytic cleaning device → hot water rinse device → hot water scrubbing device →1# hot air drying device

Position →2# tension →1# deviation correction → entrance horizontal lopper →2# deviation correction →3# deviation correction -3# tension report →

Horizontal continuous annealing furnace → induction zinc pot → submerged spoke and stabilized silver system → air knife and air supply system - cold after plating

But device → top of tower turn silver → Suchun cooling device →2# hot air dryer →4# deviation correction report →4# tension report →

5# tension report → light machine → extrusion drying and ventilation drying device → Tension machine containing 6#, 7# tension report →8# tension

Vertical coating machine, 3# hot air dryer, 5# rectifying silver, vertical looper outlet, 6# rectifying series, 9# sheet

Force silver → electrostatic oiling machine → outlet shear → coiler → unwinding trolley → baling → weighing → crown-block pass

3. Process parameters of horizontal furnace galvanizing line

General technical index of galvanizing production line

The annual output

100,000-200,000 tons/year

Production line speed

Inlet/outlet :20~200m/min

Process: 20 ~ 150 m/min

A raw material

Cold rolled steel coil

The strip width

600~1250mm

The thickness of the steel strip

0.2 ~ 1.5 mm

Outer diameter of raw steel coil Max. 2000mm

Inner diameter of raw steel coil ф 508mm, ф 610mm

Raw steel coil weight 10~ 25T

Finished coil outer diameter Max. 1650mm

The inner diameter of finished steel coil is 508mm

Finished steel coil weight 8~ 15T

The coating weight

80~300 g/m2, equal thickness plating and differential thickness plating

Mirror layer state

Regular and small zinc flowers, frontless flowers, smooth zinc flowers

Galvanized sheet quality

Comply with gb GB2518-88 requirements

4. Vertical furnace plating front line process diagram

5. Process flow of typical vertical furnace galvanizing line:

Entrance steel coil car coiling → uncoiler → entrance double shear → narrow lap welding machine →1# tensile silver →1# deviation correction system

→ entrance vertical lopper →2# deviation correction →2# tension report → alkali washing device → alkali scrubbing device → electrolytic cleaning

→ hot water rinsing device → hot water scrubbing device →1# hot air drying device →3# tension report - vertical continuous retreat

Furnace → induction zinc steel → submerged spoke and stability alarm system → air knife and air supply system → cooling device after plating → tower

Top steering silver → water cooling device →2# hot air dryer →3# deviation correction →4# tension →5# tension →

Light machine → extrusion drying and ventilation drying device → Tension machine containing 6#, 7# tension →8# tension → vertical

Coating machine →3# hot air dryer →4# vertical looper →5# vertical looper →9# tension silver → static electricity

Oiler → outlet shear → coiler → unwinding trolley → baling → weighing → crown-block transport

6.Process parameters of vertical furnace plating front line

General technical index of mirror zinc production line

The annual output

150,000-300,000 tons/year

Production line speed

The raw material

* Strip width

Strip thickness _

Inlet/outlet: 20-240m /min

Process: 20 ~ 180 m/min

Cold Zagreb steel coil

600~1250mm

0.25 ~ 1.5 mm

* Outside diameter of raw steel coil

* Inner diameter of raw steel coil

* Weight of raw steel coil

Max.2000mm

ф 508 mm and 610 mm

15~25t

Finished coil outer diameter Max. 1650mm

The inner diameter of finished steel coil is 508mm

Weight of finished steel coil

8~15t

The coating weight

80~300 g/m2, equal thickness plating and differential thickness plating

State of the coating

Regular and small zinc flowers, frontless flowers, smooth zinc flowers

The quality of the zinc plate meets the gb GB2518-88 requirements

7. Main features of galvanized production line:

High configuration level, mature process, can meet the user's high yield, high quality requirements. Adopt self-developed continuous annealing furnace, air knife, stretching bending and flattening machine and four silver hydraulic pressure glazing machine to ensure plating

Zinc plate zinc layer adhesion, uniform thickness, flat plate shape, good surface quality and mechanical properties, machine transport

Line stability, low energy consumption. It can design GI, GL, GA, GF and other varieties and specifications of cold rolling and hot rolling plate plating

Zinc production line. Advanced and reliable process, can use improved Senjimil hot dip galvanizing process or full radiation tube heating.

Hot dip galvanizing process.

Production line equipment configuration has the following characteristics:

(1) With the United States steel galvanized process, electrolytic degreasing technology is adopted at the entrance of the production line to ensure that the strip steel.

Cleaning quality lays a solid foundation for good coating adhesion and surface quality.

(2) Three sets of automatic deviation correction devices are used in the inlet looper and the furnace inlet to ensure that the strip is in alignment and annealed

Furnace, ensure the process section high-speed, continuous, stable operation.

(3) The thermal tension series is set in the outlet section of the furnace, which can realize the piecewise closed-loop control of the tension in the process section.

It guarantees the stable operation of production line and the quality of coating.

(4) Adopt advanced vertical digger coating purification technology, accurately control the thickness of purification film, improve the purification effect and shrink

Shorten the length of the production line while reducing pollution and simplifying production operations.

(5) Import professional company detection and control system is adopted for deviation rectification to ensure effective control of the running rails of strip steel

To improve the reliability and operation rate of the unit.

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