500 mm continuous galvanizing production line

Project name: 3.0 & 1.5 times; 500 mm continuous galvanizing production line

Customer name: shandong Henderson new materials co., LTD

The nature of the project: new project

Undertake: Beijing JieRui general contracting

A time: April 20, 2013

Production: under construction

Operation: good

A, technical scheme

This technique is based on international popular's Jimmy's law & other; Continuous hot dip galvanized strip principle & throughout; As the foundation, combined with our previous successful experience in the field of hot galvanizing and the success of the blast furnace gas galvanized case, by my company independent development mature regenerative oxidation of patent technology, patent number ZL2009202466509; Energy saving radiant tube patent technology, patent number ZL2010205353153; Patent technology of heat recovery technology, patent number ZL2009202466617; Energy saving furnace roller, such as patent number ZL2010205353007 patents technology portfolio, and according to the user's actual situation, in line with the economic, reliable and maintainability principles and design.

Second, the product specifications

Steel grade: ordinary carbon structural steel

Material: Q235, Q195, Q215, 08 al

Coil: 30 508 mm inner diameter, outside diameter 30, 800-1800 - mm

Volume: Max7000 Kg

The strip size: 1.5 3.0 mm thickness

280-500 - mm wide

Three, raw material specification

Material: Q235, Q195, Q215, 08 al

Thickness: 1.5 3.0 mm

Width: Max500mm

Volume: Max7000 Kg

Inside diameter: 30 508

Outer diameter: 30 800-1700 - mm

4 and the process parameters of the production line

Processing speed: 26 ~ 53 m/min TV value is 80

Looping set speed: filling process speed of 150%

Power transmission system configuration: ac frequency conversion speed regulation

Zinc layer thickness adjusting range: 40 ~ 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 right to left (from the side view)

Five, the main body equipment according to process flow arrangement is as follows:

1, # 2 on the cart & rarr; 1, 2 # decoiler & rarr; Open book dao 1, 2 & rarr; Open book pinch & rarr; Roller straightening machine & rarr; Hydraulic transverse shear & rarr; Welding platform & rarr; Tensioning machine 1 & rarr; The entry loop & 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; Tower of the machine & rarr; Tower to roll & rarr; Quenching tank & rarr; Quenching water drain machine & 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; Discharging car (reserved weighing location)

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

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