Zhongchou Special Steel Group Orders Advanced Continuous Pickling Lines from Primetals Technologies

 

Leading-Edge Pickling Technology for Green Steel Production



Introduction

In a significant move towards sustainable steel production, Zhongchou Special Steel Group has placed an order for two state-of-the-art Continuous Pickling Lines (CPL) from Primetals Technologies. This investment follows their recent acquisition of an ARVEDI ESP line, highlighting their commitment to green steel manufacturing.

Key Specifications

  • Annual processing capacity: 1.5 million tons per line (3 million tons total)
  • Maximum pickling speed: 400 meters per minute
  • Strip dimensions:
    • Thickness: 0.7 - 4.0 mm
    • Width: 900 - 1,600 mm
    • Maximum coil weight: 36.8 tons
  • Operating speeds:
    • Entry section: 800 m/min
    • Pickling section: 400 m/min
    • Exit section: 520 m/min

Technical Features

The advanced pickling lines include:

  • Heavy-duty scale breaker
  • 5-tank turbulent pickling section
  • Acid recirculation system
  • 5-stage rinsing section with water circulation
  • Strip drying system
  • Skin-pass mill
  • Tension leveler
  • Flying shear at exit

Advanced Control Systems

The electrical solution features:

  • Latest TIA Portal hardware/software platform
  • SINAMICS drive systems
  • Modular design principle
  • Smart factory-ready interfaces
  • Enhanced maintenance accessibility

Environmental Impact

These pickling lines are specifically designed to process thin-gauge hot-rolled strip from the ARVEDI ESP process, representing a significant step in Zhongchou's green steel transformation strategy. The integration of these technologies will help maintain their position as a leader in environmentally responsible steel production both domestically and internationally.

Project Timeline

Both pickling lines are scheduled for commissioning in the second half of 2026, marking a crucial milestone in Zhongchou's modernization journey.

Industry Significance

This order, following the successful ARVEDI ESP project contract, demonstrates the strong trust between Zhongchou Special Steel Group and Primetals Technologies. In today's highly competitive steel industry, such partnerships are crucial for implementing cutting-edge technologies and maintaining market leadership.

Conclusion

This investment represents a significant step forward in Chinese steel manufacturing, combining advanced processing capabilities with environmental responsibility. The new pickling lines will not only enhance production efficiency but also support Zhongchou's commitment to sustainable steel production.

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