Project Name: 2.0—3.0×450mm Continuous Galvanizing Production Line  

Client Name: Bazhou Sanqiang Metal Products Co., Ltd.  

Project Nature: Annealing Furnace Upgrade and Renovation Project  

Undertaking Method: General Contracting by Jingjie Ruisi  

Signing Date: June 29, 2015  

Commissioning Status: Commissioned on Schedule  

Operation Status: Good  

Basic Parameters After Upgrade and Renovation:  

1. Material: Q235, Q195, Q215, 08AL  

2. Steel Coil: Inner Diameter Φ508mm, Outer Diameter Φ800-1800mm  

3. Coil Weight: Max 7000Kg  

4. Strip Dimensions: Thickness 2.0—3.0mm; Maximum Width 450mm  

5. Output: Increased by 10% compared with that before renovation  

6. Energy Consumption: Average natural gas consumption per ton of steel 16.5-20.5Nm³  

7. Energy Sources: Water, electricity, natural gas, compressed air, hydrogen, nitrogen  

8. Process Speed: 25-38m/min  

9. Looper Filling Speed: 57m/min (determined by the gear ratio of the uncoiler reducer)  

10. Power Configuration of Transmission System: AC variable frequency speed regulation  

11. Zinc Coating Thickness Adjustment Range: 40-200g/㎡ (double-sided) adjusted by air knife  

12. Passivation Method: Roll coating passivation