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Induction Heating Machine for Hot Rolling Mill - China Suppliers & Factory for Steel Plate Pre-Heating

Industrial induction heating machines from China offer rapid and precise pre-heating capabilities (up to 1200°C) for steel plates and iron sheets before hot rolling. As leading suppliers in this technology, our products ensure uniform temperature distribution, significantly reduce oxidation, and integrate seamlessly with rolling mill automation systems. This advanced heating solution not only enhances production efficiency but also maintains the quality of materials throughout the manufacturing process. Choose our factory for reliable and efficient induction heating solutions tailored to meet your industrial needs

    Product Description

    This high-frequency induction heating machine delivers efficient pre-heating (up to 1200°C) for steel plates and iron sheets in hot rolling mills, featuring precise temperature control with ±5°C accuracy through advanced IGBT technology. Its automated system reduces oxidation by 30% while achieving 20% faster heating cycles compared to traditional methods. The ISO-certified equipment integrates seamlessly with existing production lines via PLC interfaces, maintaining uniform heat distribution across 6-ton/hour capacity workpieces.

    Application Scope

    This induction heating system is specifically designed for hot rolling mill applications, providing efficient pre-heating for carbon steel plates, alloy steel sheets, and structural iron components with thicknesses ranging from 5mm to 150mm. It's widely implemented in steel plants, metal processing facilities, and heavy manufacturing industries for continuous production lines requiring precise temperature control between 800°C to 1200°C before rolling operations. The equipment demonstrates exceptional performance in processing coils, slabs, and billets while maintaining compatibility with both new installations and existing mill retrofits.

    Configuration and Performance

    The induction heating system features a modular design with IGBT-based power units (200-3000kW adjustable), dual-frequency operation (1-10kHz), and integrated PLC control with HMI interface. Its multi-coil configuration ensures uniform heating across widths up to 2500mm, achieving temperature consistency within ±5°C through closed-loop infrared thermography. The water-cooled copper coils withstand continuous 1200°C operation with 98% thermal efficiency, while the automated material handling system processes 6-8 tons/hour with <0.3% material oxidation. Advanced features include energy recovery systems (saving 15-20% power) and predictive maintenance algorithms that reduce downtime by 30%. The ISO-certified machine demonstrates <1% temperature deviation across workpieces and maintains 95% uptime in 24/7 industrial environments, compatible with Industry 4.0 protocols for seamless MES integration.

    Technical Specifications

    General Specifications
    • Equipment Type: IGBT-based induction heating system for metal processing
    • Application: Pre-heating of steel plates/iron sheets (5-150mm thickness) prior to hot rolling
    • Certifications: ISO compliant with Industry 4.0 integration capability
    • Temperature Range: 800°C to 1200°C (adjustable with ±5°C precision)
    • Heating Capacity: customized based on client's requirement
    • Power Configuration: Modular 200-3000kW IGBT units with dual-frequency operation (1-10kHz)
    • Efficiency: 98% thermal efficiency with 15-20% energy recovery system
    3. Mechanical Configuration
    • Coil System: Water-cooled copper coils (2500mm max width, multi-zone design)
    • Material Handling: Automated conveyor with <0.3% oxidation rate
    • Control System: PLC with HMI interface and infrared thermography feedback
    4. Physical Dimensions
    • Machine Size: customized based on output power
    • Weight: depends on machine output power
    • Interface: Standard PCIE/RS485 communication ports
    5. Operational Standards
    • Uptime: 95% reliability in 24/7 industrial environments
    • Maintenance: Predictive algorithms reducing downtime by 30%
    • Safety: Overload protection and emergency stop systems

    Application Scenarios:

    Frequently Asked Questions

    What is the temperature range and control accuracy of the induction heating machine?

    The machine delivers pre-heating temperatures ranging from 800°C to 1200°C. Using advanced IGBT technology and closed-loop infrared thermography, it achieves precise temperature control with an accuracy of ±5°C and <1% temperature deviation across workpieces.

    What types of steel and thicknesses can this system process?

    It is specifically designed for pre-heating carbon steel plates, alloy steel sheets, and structural iron components (including coils, slabs, and billets) with thicknesses ranging from 5mm to 150mm.

    How energy-efficient is this induction heating system?

    The water-cooled copper coils operate at 98% thermal efficiency. Additionally, the system features integrated energy recovery systems that save 15-20% of power compared to traditional heating methods.

    What are the integration and communication capabilities of the machine?

    The system is equipped with standard PCIE/RS485 communication ports and PLC interfaces with an HMI screen. It is fully compatible with Industry 4.0 protocols for seamless integration into existing MES and production lines.

    What measures are in place to ensure system reliability and low downtime?

    It maintains 95% uptime reliability in 24/7 industrial environments. The control system utilizes predictive maintenance algorithms that reduce unplanned downtime by 30%, alongside integrated overload protection and emergency stop systems.

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