500 mm continuous galvanizing production line

Project name: 1.5-3.0 * 500 mm continuous galvanizing production line

Customer name: shandong boxing LuYang steel co., LTD

The nature of the project: new project

Undertake: Beijing JieRui general contracting

A time: January 20, 2011

Production: under construction

Operation: good

One, the basic parameters:

1, the product specification

Steel grade: ordinary carbon structural steel

Material:, Q195, Q215, Q235 O8AL

Coil: Φ 508 mm inner diameter, outside diameter Φ 800-1600 - mm

Weight: 4000 kg Max

Thickness of strip size: 1.5-3.0 mm, width 250-500 - mm

2, raw material specification

Material:, Q195, Q215, Q235 O8AL

Thickness: l) 5 - (3) the Omm

Width: Max500mm

Volume: Max4000 Kg inside diameter: Φ 508

Outer diameter: 800-1600 - mm Φ

3 and the process parameters of the production line

The process speed: 15 to 40 m/min

Looping set speed: filling process speed of 130%

Power transmission system configuration: ac frequency conversion speed regulation

Zinc layer thickness adjusting range: 60-200 - g/m2 (double) gas knife adjustment

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

Passivation methods: dip coating passivation

Product quality standard: GB2518-88

Second, the technological process and equipment features

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

# 1, 2, feeding the small car to l, 2 # uncoiler, open-book dao 1, 2 - open book clip send 1, 2 - hydraulic transverse cutting and welding platform - tensioning machine 1 - the entry loop (horizontal) - in a double roller (CPC) - 2 - a roller tensioning machine to annealing furnace, the furnace nose - zinc pot - sink roll - air knife - cooling fan and cooling tower to roll to 90 degrees of guiding system, quenching tank to drain roller, double rollers on the (CPC) - tensioning machine 3 - machine to dip coating passivation, hot air drying - export loop - tensioning machine 4 - hydraulic transverse shear - winding pinch (guide) - winding machine (EPC) - unloading car