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  • Product: Full Hydrogen Light Bell-type Annealing Furnace

Full hydrogen light bell-type annealing furnace uses hydrogen as the protective atmosphere. Hydrogen flows fast in the state of high temperature with its heat conduction velocity 7 times as fast as nitrogen so that heat conduction can be carried out by hydrogen from the steel coil radial. Hydrogen has the small molecular weight which is a quarter of that of nitrogen. This will remarkably reduce the power consumption of circulation fan coil base and lower the equipment noise. In addition, when hydrogen is in high temperature, it can take the cold rolled sheet oxidation residues away after transforming them into water vapor, thereby substantially enhancing the annealing quality of cold-roll sheet.