650 mm continuous galvanizing production line

Project name: 0.8-1.5 x 650 mm continuous galvanizing production line

Customer name: zhejiang new tube grain industry co., LTD

The nature of the project: new project

Undertake: Beijing JieRui general contracting

Signing time: April 26th, 2012

Production: under construction

Operation: good

A, technical scheme

This technology is based on international popular's Jimmy's law "strip continuous hot galvanizing principle" as the foundation, combined with my company in the past successful experience in the field of hot dip galvanized, I own development company using mature regenerative oxidation of patent technology, patent number ZL2009202466509: low calorific value gas (blast furnace gas) ZL2009202466829: radiant tube heating furnace energy saving radiant tube patents, 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 of the principle 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: Maxl2000Kg

The strip size: 0.8 1.5 mm thickness

The width of the Max650mm

Three, raw material specification

Material: Q235, Q195, Q215, 08 al

Thickness: 0.8 1.5 mm

Width: Max650mm

Volume: Max10000Kg

Inside diameter: 30 508;

Outer diameter: 30 800-1800 - mm

The unit direction: right into the left out.

4 and the process parameters of the production line

Processing speed: 50 ~ 94 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 ~ 280 g/m2 (double) gas knife adjustment

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

Passivation methods: dip coating passivation

Product quality standard: GB2518-2008

Five, the technological process and equipment features

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

1, # 2 on the cart to # 1, 2, uncoiler, open-book dao 1, 2 - open book clip send 1, 2 - hydraulic transverse shear to automatic welding machine, pinch machine - tensioning machine 1 - entry horizontal loop - in a single roll (CPC) - tensioning machine 2 - before treatment - in a single roll (CPC) - tensioning machine 3 - (CPC) in double roller to zhang - tensioning machine 4 - test machine to roller before furnace, annealing furnace to heat tension roller, the furnace nose - zinc pot - three roll six arm - air knife - cooling fan and cooling tower on the roll (single) - cooling tower to roll - quenching tank to drain roller, hot air drying device - double roller (CPC) in the reserve to tensioning machine 5, light overall position to pull machine, tensioning machine 6 - dip-coating passivation and the passivation drying - export loop - in a double roller (CPC) - tensioning machine 7 - hydraulic transverse shear - winding pinch (guide) - winding machine (EPC) - unloading car

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