300 mm continuous galvanizing production line for annealing furnace to upgrade

Project name: 1.0-2.5 x 300 mm continuous galvanizing production line

Customer name: zhejiang new heng metal products co., LTD

Nature of the project: annealing furnace energy saving upgrades and broadening renovation project

Undertake: Beijing JieRui general contracting

A time: on August 20, 2015

Production: production on time

Operation: good

After the upgrade basic parameters:

1, material: Q235, Q195, Q215, 08 al

2, steel roll: inner diameter. 508 mm, outside diameter. 800-1800 - mm

3, natural gas, the average energy consumption of per ton steel is equal to or less than 18 nm3

4, the size of the steel strip: Max420mm thickness 1.0 2.5 mm width

5, energy, water, electricity, gas, compressed air, hydrogen, nitrogen

6, process speed: 36-90 - m/min

7, set speed: 117 m/min

8, power transmission system configuration: ac frequency conversion speed regulation

9, zinc layer thickness adjusting range: 40-200 - g / ㎡ (double) gas knife adjustment

10, passivation methods: dip coating passivation