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China Pitch-Based Pre-Oxidation Furnace Suppliers - High-Quality Factory Equipment for Carbon Fiber Production

The pitch-based pre-oxidation furnace is an essential piece of equipment utilized in the pre-oxidation treatment of raw fibers, crucial for the manufacturing process of pitch-based carbon fibers. As a leading factory in China, we specialize in providing high-quality pre-oxidation furnaces to suppliers across the globe, ensuring optimal performance and durability for your production needs. Our innovative design and expert craftsmanship make our furnaces the preferred choice for those looking to enhance the efficiency of their carbon fiber production processes. Trust our factory in China to deliver reliable and advanced solutions tailored to your requirements
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    Technical Parameters

    Working Principles

    The asphalt-based pre-oxidation furnace mainly uses high temperature and oxidizing atmosphere to cause an oxidation reaction of the asphalt-based carbon fiber precursor, realize the cyclization and cross-linking of the macromolecular chain, and convert it into a non-plastic heat-resistant trapezoidal structure, so that it will not melt or burn under the subsequent carbonization high temperature, and maintain the fiber morphology.

    Frequently Asked Questions

    What is the primary function of an asphalt-based pre-oxidation furnace?

    It utilizes high temperatures and an oxidizing atmosphere to trigger an oxidation reaction in asphalt-based carbon fiber precursors, converting them into a stable, heat-resistant structure.

    Why is the cyclization and cross-linking process necessary?

    This process transforms the macromolecular chains into a non-plastic trapezoidal structure. This prevents the fibers from melting or burning during subsequent high-temperature carbonization stages.

    How does pre-oxidation help maintain fiber morphology?

    By converting the precursor into a thermally stable trapezoidal structure, the fiber maintains its original shape and structural integrity without melting when exposed to extreme carbonization temperatures.

    What atmosphere is required inside the pre-oxidation furnace?

    The furnace requires a precisely controlled oxidizing atmosphere paired with high thermal energy to ensure the proper oxidation and chemical restructuring of the asphalt precursor.

    What happens if the precursor does not undergo pre-oxidation?

    Without pre-oxidation, the asphalt-based precursor remains thermoplastic and will melt or combust when subjected to the high temperatures of the carbonization phase, failing to form carbon fiber.