Vertical continuous annealing furnace

A continuous annealing furnace, vertical technology, used in furnaces, heat treatment furnaces, furnace types, etc., can solve the problems of wire deviation, detachment from guide rollers, and the inability of wire to pass through the annealing zone stably, so as to reduce subsequent processing. The difficulty of the processing, the effect of small processing loss
CN101792849AInactive Publication Date: 2010-08-04JINAN LEIAOTE MACHINERY MFG
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
JINAN LEIAOTE MACHINERY MFG
Publication Date
2010-08-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a vertical continuous annealing furnace, which comprises an annealing tube, a lower cooling tube, a cooling system, a wire leading-in device, a wire leading-out device and an upper cooling tube, wherein a heating device for providing a predetermined annealing temperature environment for wires is arranged in the annealing tube; the lower cooling tube is connected in series with the lower end of the annealing tube and used for cooling the annealed wires; the cooling system provides cooling protection for the annealing furnace and the wires; the wire leading-in device is used for leading the wires into a furnace body; the wire leading-out device is used for leading the wires out of the furnace body; the upper cooling tube is connected in series with the upper end of the annealing tube, a cooling protection gas is introduced into a wire passage inside the upper cooling tube just like the lower cooling tube, and the outer part of the upper cooling tube is provided with a water-cooled wall; and correspondingly, the cooling system comprises a cooling liquid circulating system and a protection gas cooling device. The scheme can ensure the annealing quality of the wires.
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Description

technical field

[0001] The invention relates to a vertical continuous annealing furnace, which is mainly used for the annealing treatment of semi-finished products and finished products of rare metal and precious metal wires, so as to improve their machining performance. Background technique

[0002] The ordinary horizontal annealing furnace is suitable for the annealing process of placing the whole coil or coil of wire in the annealing furnace for annealing, and during the annealing process under high temperature conditions, the wires are squeezed together, and the diffusion of metal If the effect is enhanced, it is easy to cause the bonding of the wire to damage its surface, and there are also problems of the difference in mechanical properties and bending between the inner and outer rings of the wire and the surrounding area. Therefore, such annealing furnaces are being phased out. Based on the above reasons, the continuous annealing furnace is mainly used for the anneal...

Claims

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