400 mm continuous galvanizing production line

The strip size: 0.8 2.0 mm thickness

232-400 - mm wide

2, raw material specification

Material: Q235, Q195, Q215, 08 al

Thickness: 0.8 2.0 mm

Width: Max400mm

Volume: Max5000 Kg

Inside diameter: 30 508

Outer diameter: 30 800-1650 - mm

3 and the process parameters of the production line

Processing speed: 38 ~ 94 m/min, TV value is 75

Looping set speed: filling process speed of 130%

Power transmission system configuration: ac frequency conversion speed regulation

Zinc layer thickness adjusting range: 35 ~ 200 g / ㎡ (double) gas knife adjustment

Zinc zinc layer condition: normal flowers, no zinc, zinc flower

Passivation methods: dip coating passivation

Product quality standard: GB/T2518-2008

Production line direction: from left to right (from the operating side)

Second, the technological process and equipment features

According to the main equipment in process arrangement is as follows:

1, # 2 on the cart & rarr; 1, 2 # decoiler & rarr; Open book dao 1, 2 & rarr; Open book clip send 1, 2 & rarr; Hydraulic transverse shear & rarr; Seam welding machine & rarr; Tensioning machine 1 & rarr; The entry loop (CPC three sets of single roller) & rarr; Tensioning machine 2 & rarr; In a double roller (CPC) & rarr; Beating roller & rarr; Annealing furnace & rarr; The furnace nose & rarr; Zinc pot & rarr; Sink roll & rarr; Air knife & rarr; Cooling fan & rarr; Cooling tower to roll & rarr; Quenching tank & rarr; Squeeze roller & rarr; In a double roller (CPC) & rarr; Tensioning machine 3 & rarr; Pull machine & rarr; Tensioning machine 4 & rarr; Dip coating passivation & rarr; Hot air drying & rarr; Export loop & rarr; Tensioning machine 5 & rarr; Hydraulic transverse shear & rarr; Winding pinch (guide) & rarr; Winding machine (EPC) & rarr; Unloading the car

Through the electronic control system, hydraulic system, pneumatic system and ancillary equipment to realize continuous running.