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    4 HI REVERSING COLD ROLLING MILL

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    6 Hi Reversing Cold Rolling Mill

    6 Hi Reversing Cold Rolling Mill
    Tamdem Rolling Mill / Continuous Rolling Mill

    Tamdem Rolling Mill / Continuous Rolling Mill
    Skin Pass Mill

    Skin Pass Mill
    Full Hydrogen Bell Annealing Furnace

    Full Hydrogen Bell Annealing Furnace
    High Hydrogen Gas Bright Belt Annealing Furnace

    High Hydrogen Gas Bright Belt Annealing Furnace
    Cr Coil Slitting Line

    Cr Coil Slitting Line
    Hr Coil Slitting Line

    Hr Coil Slitting Line
    Work Roller / Backup Roller for Cold Rolling Mill

    Work Roller / Backup Roller for Cold Rolling Mill
    Slitting Round Blade/ Slitting Disc Knife

    Slitting Round Blade/ Slitting Disc Knife
    High Hydrogen Gas Bright Belt Annealing Furnace (1).JPG
    High Hydrogen Gas Bright Belt Annealing Furnace (2).JPG
    High Hydrogen Gas Bright Belt Annealing Furnace (1).JPG
    High Hydrogen Gas Bright Belt Annealing Furnace (2).JPG

    High Hydrogen Gas Annealing Furnace for Cold Rolling Steel - Pollution-Free, China Suppliers & Factory Solutions

    This innovative gas generator is specifically tailored for small and medium-sized cold rolling strip steel enterprises in China. Unlike traditional systems that rely on liquefied petroleum gas (LPG), coke oven gas, or mixed gases, our solution utilizes block coal or coke to produce generator gas for efficient annealing processes. As a leading supplier in the industry, our factory produces generators that are completely free of smoke and pollution. With advanced automatic dust removal and tar elimination features, our gas generators ensure zero emissions and a cleaner environment. Choose our state-of-the-art technology for a sustainable future in steel production
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      Product Details

      Product Introduction

      The bright belt annealing furnace is an advanced industrial equipment used for non-oxidative heat treatment of metal coils, pipes, wires, etc. in a protected atmosphere or vacuum environment. Its core objective is to eliminate internal stress in the material, improve mechanical properties, while maintaining the original bright surface of the metal and avoiding the formation of oxide scales and decarburization layers.

      Core Principles & Characteristics

      The core principle is to isolate oxygen. The workpiece is placed inside a sealed inner cover, evacuated or filled with high-purity inert/reducing protective gases (such as a nitrogen-hydrogen mixture), and then heated through the outer cover. The main features of this equipment include:

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        Uniformity & Precise Temperature Control

        Utilizing strong convective circulation technology, the temperature difference within the furnace can be kept within ±5℃, ensuring uniform material properties. The entire process is automatically controlled by a computer, which is precise and reliable.

      • ⚡
        High Production Efficiency

        The "double furnace base" design is commonly adopted. When one furnace base is in heating mode, the other can be cooled and loaded, enabling quasi-continuous production. The loading capacity of a single furnace can reach 30 tons, resulting in high production efficiency.

      • 🌿
        Green & Environmentally Friendly

        After annealing, the surface is bright and free of oxidation, eliminating the need for the traditional acid washing process after annealing. This fundamentally solves the problems of acid pollution and wastewater treatment.

      Application Scope

      This equipment is applicable to a variety of metal materials and is mainly divided into two categories:

      Non-Ferrous Metals

      Finished bright annealing of copper and copper alloys, aluminum alloys, etc.

      Ferrous Metals

      Intermediate or finished annealing of coil and wire products such as stainless steel, silicon steel, ordinary carbon steel, alloy steel, etc.

      🔧
      Automatic Control System: The full automatic control system controls and manages the whole process of heating, heat preservation and cooling of each hood furnace, providing reliable guarantee for the production of users.
      ♻️
      Combustion & Heating Process: Secondary air inlet and saturated steam are used to convert coal into carbon monoxide gas and feed it into a covered furnace for combustion and heating. The proportion of air intake and steam to coal seam is automatically controlled by PLC system, and slag is automatically discharged.
      Frequently Asked Questions
      Q What is a bright belt annealing furnace and how does it work?
      A bright belt annealing furnace is an industrial heat treatment equipment designed to anneal metal coils, pipes, and wires without causing surface oxidation. It works by sealing the workpiece inside an inner cover that is either evacuated or filled with protective inert/reducing gases (e.g., nitrogen-hydrogen mixture), then applying heat through an outer cover to eliminate internal stress while preserving a bright, oxide-free metal surface.
      Q What types of metals can be processed in a bright belt annealing furnace?
      The furnace supports a wide range of metallic materials. For non-ferrous metals, it handles copper, copper alloys, and aluminum alloys. For ferrous metals, it is suitable for stainless steel, silicon steel, ordinary carbon steel, and various alloy steels in coil or wire form.
      Q How accurate is the temperature control in this type of furnace?
      Thanks to advanced strong convective circulation technology, the temperature difference within the furnace is maintained within ±5℃. The entire heating, holding, and cooling process is managed by a fully automatic computer control system, ensuring consistent and precise thermal treatment results across every batch.
      Q Does the bright annealing process eliminate the need for acid washing?
      Yes. Because the annealing is performed in a sealed, oxygen-free environment, the metal surface remains bright and completely free of oxide scale after processing. This entirely removes the need for traditional post-annealing acid pickling, which in turn eliminates acid waste discharge and reduces environmental pollution significantly.
      Q How does the double furnace base design improve production efficiency?
      The double furnace base design allows one base to be actively heating while the other simultaneously undergoes cooling and loading/unloading. This parallel workflow enables quasi-continuous production without idle downtime between cycles. With a single furnace capable of handling loads up to 30 tons, overall throughput and operational efficiency are substantially enhanced.
      Q How is combustion and heating managed in the furnace system?
      The system uses secondary air intake combined with saturated steam to convert coal into carbon monoxide gas, which is then fed into the covered furnace for combustion-based heating. The ratio of air intake and steam to the coal layer is automatically regulated by a PLC control system, ensuring optimal combustion efficiency, while slag is discharged automatically to minimize manual intervention.