Alumina ceramic fiber resistance wire heating module
The alumina ceramic fiber resistance wire heating module is a composite functional heating product, which utilizes high-purity alumina fibers as the matrix and precisely embeds or embeds resistance wires within it, and is solidified and shaped through vacuum suction filtration. As a deep-processed product of Al₂O₃-SiO₂ ceramic fibers, it integrates heating and insulation functions, solving the problems of large heat capacity and slow temperature rise in traditional brick and stone furnaces. The product's operating temperature can range from hundreds to thousands of degrees Celsius, depending on the alumina content and resistance wire material, achieving significant energy-saving effects. It can be widely used in various industrial resistance furnaces and experimental electric furnaces in industries such as metallurgy, machinery, electronics, ceramics, chemical engineering, and aerospace, aiming to achieve energy-saving and production increases, rapid temperature rise, and improved working environments. The appearance is white, with a smooth surface, uniform heating, and self-supporting strength, resembling an integrated fiber heating component.
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Alumina ceramic fiber resistance wire heating module
The company’s products feature numerous technological achievements and innovative, practical technologies. We manufacture polycrystalline mullite fiber fireproof boards, polycrystalline alumina fiber furnace linings, ceramic fiber furnace linings, polycrystalline mullite fiber furnace linings, and crystalline fibers.
E-mail：ncjt@zjncjt.com
Product Description
1. Product description:
The alumina ceramic fiber resistance wire heating module is an integrated heating product developed to meet the needs of rapid temperature rise, energy saving, and consumption reduction in modern industrial furnaces. It utilizes polycrystalline alumina fiber cotton or high-purity alumina fiber as the matrix raw material, prepared by the chemical "colloidal method", with a high proportion of Al₂O₃ in its chemical composition. High-quality alloy resistance wires are embedded into the fiber slurry according to the designed arrangement, and the entire module is solidified through a vacuum suction filtration molding process, followed by high-temperature heat treatment to complete the crystal phase transformation. The arrangement of resistance wires can be either zigzag or spiral, and the molding methods include fully embedded, slightly exposed, or semi-exposed. The operating temperature can range from hundreds to thousands of degrees Celsius depending on the configuration, achieving significant energy-saving effects. It can be widely used in various resistance heating furnaces in industries such as metallurgy, chemical, electronics, and aerospace. Standard specifications can be customized, and various shaped heating modules can be produced according to drawings. The appearance is white, with a flat surface, uniform heating, and self-supporting strength, resembling an integrated fiber heating component.
2. Product Features:
Due to its unique composite structure and manufacturing process, the alumina ceramic fiber resistance wire heating module possesses a series of characteristics that are significantly superior to traditional heavy refractory brick furnaces and ordinary fiber furnace linings:
High thermal efficiency and rapid temperature rise: By integrating the heating element with insulation material, the thermal capacity is significantly lower than that of traditional brick furnaces. With small heat storage capacity and fast temperature rise and fall, it greatly enhances production efficiency, making it particularly suitable for intermittent kilns.
Low thermal conductivity and remarkable energy saving: It inherits the characteristics of low heat capacity and low thermal conductivity of alumina fiber materials, with a low thermal conductivity coefficient and excellent insulation performance. Compared with traditional resistance furnaces, it achieves significant energy-saving effects and effectively reduces operating costs.
Lightweight and High Strength: The product has a much lower bulk density than traditional refractory bricks, making it lightweight. At the same time, the vacuum forming process endows the product with excellent compressive strength and structural rigidity, resulting in a tough texture and superior wind erosion resistance.
Excellent thermal shock resistance and insulation: The fiber structure endows it with excellent thermal shock resistance, allowing it to withstand rapid cooling and heating without cracking or peeling. The resistance wire is firmly bonded to the fiber matrix, providing excellent electrical insulation performance and ensuring safe and reliable use.
Modularity and easy installation: The product adopts an integrated and compact design with a stepped splicing structure, ensuring convenient and quick installation. It can be customized into various complex shapes, with evenly distributed resistance wires, resulting in good uniformity of furnace temperature. On-site replacement and maintenance are also straightforward.
3. Product Application
It is widely used in various industrial electric heating furnaces and experimental electric furnaces such as box-type resistance furnaces, tube furnaces, crucible furnaces, trolley furnaces, mesh belt furnaces, pusher furnaces, pit furnaces, hood furnaces, and diffusion furnaces; heating and sintering equipment in industries such as ceramics, magnetic materials, electronic components, nanomaterials, and metal heat treatment; high-temperature experimental equipment in scientific research institutions, universities, colleges, and industrial and mining enterprises; circular arc heaters, pipeline heating, and various special-shaped resistance heaters; as well as lining for special heating equipment in industries such as metallurgy, chemical engineering, glass, and military industry.
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Zhejiang Nengcheng Crystal Fiber Co., Ltd
150 meters south of the intersection of Wulin Road and Yonghe West Road, Deqing County, Huzhou City, Zhejiang Province.
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