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CGL1250 Hot Dip Galvanizing Production Line
CGL1250 Hot Dip Galvanizing Production Line
FOB Price
Port
Tianjin
Lead Time
120days
China
Main Products : metal, coil, coating, machine, galvanizing, galvanized
5F, No2833, Jianshe Street Changchun, Jilin
CGL1250 Hot Dip Galvanizing Production Line Details
Brand Name
bailiqiao
Model Number
CGL1250/650/1500
Place of Origin
China
CGL1250 Hot Dip Galvanizing Production Line Introduce

CGL1250 HOT GALVANIZING PRODUCTION LINE

Hot galvanizing plate (CGL), to dip the raw metal after surface pretreating , into liquid metal or alloy, which owns low melt point, during the process, the metal could get a protection layer, specially, the coated layer can form a metallurgy alloy with basic metal. The raw metal is always low carbon steel, alloy steel, cast iron, stainless steel. For coating melted metal, we always adopt zinc, aluminum, lead, tin or nonferrous, among these, zinc is most popular uses, for largely output, various specifies and widely uses.

During whole processing, cold / hot rolled steel strip,after processes as follows, uncoil, shear, welting, electro or alkali cleaning, entry storage loop, heating annealing and deoxidizing, hot dipping galvanizing, thickness controlling by air blade, spangle dealing, cold, skin pass mill, leveler, passivation, exit storage loop, electrolytic oiling, shear and coiling, finally, the finished product is hot galvanized steel strip/coil. For this zinc coated steel plate, possess ideal corrosion resistance, easily moulding and coating, as well as its costly and good looking specialties, mainly apply for on construction, automobile, electrical appliances, now its one of the fastest steel industrial within the whole steel improvement.

Specification of CGL1250 hot dip galvanizing line

1. Moving car for coil

Railway moving car for material on or off loading, driven by motor reducer, hydraulic managing for lifting up and down. Under stroke range, the car moving position inspector and controller is available.

2. Unwinder

After car unloading, to send raw coils to expansion drum, to tension coil to tight, and feeding while rotating

3. Pinching transmitter

To pinch steel strip while on or off loading, bottom rolls are driven by motor reducer, with pneumatically pressed down of upper rolls.

4. Shear

For easy control and operating, to reduce coil changing time, Every uncoiler has its own shear, and every shear adopts double decker, pressed down hydraulically. Specially, shear operation has interlock with whole line, for shear, also contains scrap guiding table and scrap car.

5. Welting machine

To connect the head to end for strips, ensuring continuous working

6. Deflective setting

To deflect the strip

7. Accumulating unit

To accumulate strip, the volume should ensure 2-2.5 min line running, especially, make great sense for coil changing.

8. Cleaning unit

The pre-treatment, make up of roll brusher, pump, spray nozzle, contains three processing section, 3 steps for alkali cleaning, 3 roll brushing, 3 water cleanin

9. Air blowing unit

To blow water film to dry in hot air, the step is after water cleaning and water cooled.

9. Tensometer roll

To meter tension inside the annealing furnace, make up of 3 deflect rolls, among these three, one roll can show tension results, and without any pressure of this roll.

10.Annealing furnace

To dismiss rolling stress and improve mechanical performance inside annealing furnace, meanwhile, high temperature is also for strip cleaning, hydrogen deoxidization to pure ferric, preparing an adhesive surface for coating. Also to control strip temperature precisely while entering into zinc pot, through cold, keep or improve strip shape.

11.Galvanizing pot

To melt zinc ingot, and zinc coating for strip

12.Air blade

To adjust zinc thickness of strip surface through air blowing

13.Cooling tower

To cold the zinc coated strip naturally or suddenly, ensuring newly coated strip already solidified when reach the first deflect roll.

14.Cooling and dry

To cold the strip in circulation water, and then press it to d

15. Tension leveler

To haul the strip into tight and straight from roll or bent stress effect.

16. Skin pass mill

To press spangle to flat, improve smoothness of the surface, avoid and eliminate any bent, or glide line during pinch and hauling. Improve plate form and straightness.

17. Chromate

To passivation the strip surface, after zinc coater

18. Hot air dry

To dry water film onto strip surface after passivation.

19.Oil coater

To protect strip surface by static electro-oiling

20.Protection unit

To supply nitrogen and hydrogen for anneal furnace, three pumps, two for using, one for reserving

21.Winder

Wind up the final strip to coil, convenient for store and transportation.

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