Cover type annealing furnace

Abstract

The invention relates to the technical field of annealing equipment, and discloses a cover type annealing furnace. The cover type annealing furnace comprises an outer cover, an inner cover and a furnace bottom base, wherein the outer cover and the inner cover are arranged above the furnace bottom base in a covering mode, a heat exchange cavity is formed between the outer cover and the inner cover,a water spraying opening for spraying water to the heat exchange cavity is formed in the outer cover, an air cooling device is arranged inside the inner cover, the air cooling device comprises an aircooling pipeline, an upper cooling plate and a middle cooling column which is integrally arranged with the upper cooling plate, the bottom surface of the upper cooling plate is attached to the uppersurface of a copper pipe coil, an upper cold air port is formed in the bottom surface of the upper cooling plate, the middle cooling column is inserted in the center of the copper pipe coil, a middlecold air port is formed in the surface, facing the inner wall of the copper pipe coil, of the middle cooling column, an air cooling cavity communicated with the upper cold air port and the middle coldair port is formed in the upper cooling plate and the middle cooling column, an air inlet communicated with the air cooling cavity is formed in the upper cooling plate, and the air cooling pipeline is arranged on the outer cover and penetrates through the inner cover to be connected with the air inlet. According to the cover type annealing furnace, under the action of the air pressure, the air passes through the copper pipe coil from the center of the copper pipe coil through gaps between the coiled copper pipe with the help of the middle cold air port, so that the interior of the copper pipecoil is well cooled.

Description

technical field [0001] The invention belongs to the technical field of annealing equipment, in particular to a bell annealing furnace. Background technique [0002] The processing of copper tubes generally undergoes multiple annealing processes. Commonly used annealing equipment includes trolley-type annealing furnaces, box-type annealing furnaces, well-type annealing furnaces, and bell-type annealing furnaces. [0003] The Chinese invention patent with the publication number CN106119478A discloses a bell-type annealing furnace, which includes an annealing furnace outer cover, an annealing furnace inner cover, a furnace bottom pedestal, a stove fan, a material column and a material tray; both the annealing furnace outer cover and the annealing furnace inner cover are installed On the top of the furnace bottom pedestal; the furnace platform fan is installed at the bottom of the furnace bottom pedestal, and the output shaft of the furnace platform fan passes through the furnac...

AI Technical Summary

Problems solved by technology

[0005] Since the copper tube is in the form of a roll, the surface of the copper tube roll has a better heat dissipation effect during heat exchange, but the inside of the copper tube roll has poor contact with the gas medium, resulting in a poor heat dissipation effect.

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