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Full Hydrogen Bell Annealing Furnace from China Suppliers - High Efficiency Heat Treatment Factory

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Introducing our state-of-the-art full hydrogen bell annealing furnace, designed for optimal heat treatment using 100% hydrogen as the protective gas. Unlike traditional bell furnaces that rely on a hydrogen-nitrogen mixture, our innovative furnace leverages hydrogen's unique properties for superior performance. Hydrogen, a highly reactive gas, offers exceptional heat conduction speed—seven times faster than nitrogen—allowing for effective heat transfer directly from the radial direction of the steel coil. This not only enhances the efficiency of the annealing process but also lowers operational costs. With a density only 1/14th that of nitrogen, our furnace significantly reduces fan power consumption and minimizes equipment noise. Additionally, the reducing capabilities of hydrogen at high temperatures efficiently transform oxide residues into water vapor, resulting in improved annealing quality for cold-rolled thin plates. As a trusted manufacturer and supplier in China, we are committed to providing advanced solutions that meet the demands of modern industries.

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    Product Introduction

    🏭 1.6 : 1
    Optimized Furnace-to-Cover Ratio The configuration ratio between the furnace and the heating cover is reduced. The traditional HNX furnace is 2:1 — two HNX furnaces equipped with one heating cover. The ratio is reduced to 1.6:1 due to the extremely short cooling time of the all-hydrogen furnace, which saves floor area and reduces investment.
    40%
    Production Capacity Increase The use of 100% hydrogen as a protective gas, corrugated inner casing, large gas flow and high-speed burner, combined gas/water cooling and strong convection can increase production by 30% to 40%.
    🔬 PPm Level
    Zero Oxidation Guarantee No oxidation phenomenon — achieved through reliable two PPm level (millionth) sealing, sufficient washing time, and advanced control measures. Annealed steel coils will not exhibit any oxidation discoloration.