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Continuous Hot Galvanizing

Hot-dip galvanizing is the process of immersing iron or steel in a bath of molten zinc to produce a corrosion resistant, multi-layered coating of zinc-iron alloy and zinc metal. While the steel is immersed in the zinc, a metallurgical reaction occurs between the iron in the steel and the molten zinc.

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Hot-dip galvanizing is the  process of immersing iron or steel in a bath of molten zinc to produce a corrosion resistant, multi-layered coating of zinc-iron alloy and zinc metal. While the steel is immersed in the zinc, a metallurgical reaction occurs between the iron in the steel and the molten zinc.

镀锌线焊机

Technical Information

machine04_02_s


Pressing roll: It is mainly composed of swing frame, rolls and hydraulic cylinders, etc. The swing frame and hydraulic cylinders bracket is fixed on the stand and the pressing rolls swing under the hydraulic cylinders. 


Pay-off type                  Upper pay-off

Strip thickness                0.20~2.0mm

Strip width                   1600mm(MAX)

Loading weight                25t(MAX)

Coil diameter                 ¢2100mm(MAX)

Drum specification            ¢508mm/610mm

Drum width                    1800mm

Lubricating type              thin oil self-lubricating

Pressing roll diameter        ¢200mm

Screw down                    hydraulic 


Waste water mainly includes: 

(1) concentrated oily wastewater;

(2) dilute oily wastewater; 

 (3) acid-base wastewater;

(4)chromium-containing wastewater.According to the characteristics of wastewater, the concentrated oily wastewater is treated by inorganic membrane ultrafiltration, and the effluent is treated together with the dilute oily wastewater. The dilute oily wastewater is treated by microbial technology with advanced technology and mature technology; the chromium-containing wastewater and acid-base wastewater are treated by physical and chemical treatment.

The wastewater treatment station is mainly divided into a concentrated oil processing system and a dilute oil processing system. And the associated sludge treatment system, dosing system, waste oil recovery system and control system.


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