Project Name: 900mm Continuous Hot-dip Galvanizing Production Line 1#
Customer name: Zhejiang Yuanli Group
Project nature: new construction
Undertaking method: Jingjie Ruisi general contracting
Signing time: June 3, 2009
Production status: On time production
Operation: Good condition
Basic parameters:
Material: Q235, Q195, Q215, 08AL
Steel coil: inner diameter ∮ 508mm, outer diameter ∮ 800-1600mm
Roll weight: Max 5600 kg
Strip size: thickness 0.2-1.2mm, width 550-650mm
Process speed: 42~100m/min
Loop filling speed: 130% of the process speed
Transmission system power configuration: AC frequency conversion speed regulation
Zinc layer thickness adjustment range: 50~280g/㎡ (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 equipment is arranged according to the process as follows:
1. 2# feeding trolley → 1, 2# uncoiler → uncoiler 1, 2 → uncoiling and clamping 1, 2 → hydraulic cross-cutting shearing → seam welding machine → tensioner 1 → inlet looper → tensioner 2→ double roller centering (CPC) → runout roller → annealing furnace → furnace nose → zinc pot → sinking roller → air knife → cooling fan → cooling tower steering roller (first steering roller with CPC) →quenching tank → squeezing dryer → double roller centering (CPC) → tensioner 3 → puller → dipping passivation → hot air drying → single roller centering machine (CPC) → outlet loop → tensioner 4→ hydraulic cross-cutting shear → winding and clamping (guide plate) → winding machine (EPC) → discharge trolley