Internal heating type vacuum drying bin

Abstract

The invention discloses an internal heating type vacuum drying bin. The internal heating type vacuum drying bin comprises a heating type spiral blade, a feeding device, a discharging device and a roller drying bin. A flange connector of the feeding device and a feeding port of the roller drying bin are fixedly connected into a whole; and a flange connector of the discharging device and a discharging port of the roller drying bin are fixedly connected into a whole. A bottom plate of a hollow spiral blade of the heating type spiral blade is fixedly connected with a bin body of the roller dryingbin, and a joint between a heat conduction pipe and an elbow is dynamically sealed by a dynamic sealing device. The heating type spiral blade of the internal heating type vacuum drying bin can carry out heat conduction and heating on materials, and can push forwards and stir the materials when the materials are being dried; and the heat energy carries out heat conduction and heating on the material around the hollow spiral blade through the heat conduction and heat radiation by the hollow spiral blade. The materials can continuously enter and leave the roller drying bin through the feeding device and the discharging device, and the materials can be subjected to continuous vacuum drying.

Description

Technical field [0001] The invention relates to a drum drying bin, in particular to an internal heating type vacuum drying bin. Background technique [0002] Nowadays, in the processing and production fields of grain, food, chemical industry, medicine, agricultural and sideline products, pasture, etc., materials need to be heated and dried; the hot air used by the tumble dryer is the hot air that passes through the heat exchanger outside the equipment, and the heat energy The heat exchange efficiency is low, the use of heat energy is one-time, the effective use rate of heat energy is low, and the heat energy required for drying increases a lot, which affects the uneven drying of the material. The spiral blades in the drum drying chamber of the drum dryer are only for increasing the uniformity of the mixing material and good contact with the hot air, and the spiral blades themselves have no heat conduction heating function. Summary of the invention [0003] The problem to be solve...

AI Technical Summary

Problems solved by technology

[0002] Nowadays, in the processing and production fields of grain, food, chemical industry, medicine, agricultural and sideline products, pasture, etc., it is necessary to heat and dry the materials; the hot air used in the drum dryer is the hot air exchanged by the heat exchanger outside the equipment, and the heat The heat exchange efficiency is low, the use of heat energy is one-time, the effective use rate of heat energy is low, and the heat energy required for drying increases a lot, which affects the uneven drying moisture of materials.

The spiral blade in the drum drying chamber of the drum dryer is only to increase the uniformity of the mixing material and the good contact with the hot air. The spiral blade itself has no heat conduction and heating function.

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