Project Name: 850mm Continuous Hot-Dip Galvanizing Production Line 2#
Customer name: Tianjin Yurunde Metal Products Company
Project nature: new construction
Undertaking method: Jingjie Ruisi general contracting
Signing time: January 27, 2010
Production status: On time production
Operation: Good condition
Basic parameters of the unit: Material: cold-rolled steel coil
Material: Q235, Q195, Q215, 08AL
Raw material thickness: 1.5-3mm; Raw material width: Max600mm
Raw material inner diameter: ∮610/∮508
Raw material outer diameter: ∮800-1650mm
Raw material roll weight: 8000 kg
Finished inner diameter: ∮508mm
Finished outer diameter: ∮800-1650mm
Finished roll weight: Max 8000 kg
Process speed: 20~40m/min; Charging speed: 60m/min
Zinc layer thickness adjustment range: 60~280g/㎡ (double-sided) air knife adjustment
Zinc layer state: normal zinc flower, small zinc flower, no zinc flower
Passivation method: dipping and passivation
Product quality standard: GB2518-88
The main process equipment process is as follows:
1#, 2# loading trolley→ 1#, 2# uncoiler→ 1# guide roller→ hydraulic cross-cutting shearing → seam welding machine→ 1# tensioning S roller→ inlet loop→ 2# tensioning S roller→ 1# double roller centering (CPC) → tensioning rollers→ annealing furnace (import furnace throat→ regenerative heating furnace→ sealing chamber→ radiant tube reduction furnace→ slow cooling furnace→ fast cooling section →nose→), zinc pot→ sinking roller→ air knife→ cooling tower→ quenching extrusion roller→ 2# double roller centering (CPC)→3# tensioning S roller→ tensioning and straightening machine→2# guide roller→ dipping passivation→ hot air drying→ outlet loop→ 4# tensioning S roller→ hydraulic cross-cutting shear→ 3# guide roller→ winding machine (EPC) → discharge trolley