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Vacuum stirring dryer

A vacuum dryer and agitator technology, which is applied in the direction of drying solid materials, non-progressive dryers, and combination of methods to dry solid materials, etc. It can solve the problems of low drying efficiency, affecting product quality, and restricting equipment scale and large-scale, etc. question

Inactive Publication Date: 2015-02-11
HEILONGJIANG DAMING DAIRY MACHINERY
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Problems solved by technology

[0003] There are many problems in the structure of conventional vacuum rake dryers. Under normal circumstances, neither the shaft nor the rake teeth have internal heating structures.
Although some use hollow shafts and hollow rake teeth, due to the unreasonable design of the fluid channel structure, the drying efficiency is low, which directly restricts the scale and enlargement of the equipment; secondly, the use of a simple packing seal structure will seriously affect the product quality. quality

Method used

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  • Vacuum stirring dryer

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings.

[0011] A stirring vacuum dryer, which consists of a steam heating jacket 1, a stirrer 2, an exhaust port 3 and a cover 4. The heat required for drying is mainly provided by the stirrer 2 and the steam heating jacket 1. When the heating medium enters the equipment Finally, the heat indirectly heats the material through the steam heating jacket 1 and the agitator 2. The moisture in the wet material is heated and vaporized, and the vaporized moisture is sucked away by the vacuum system in time. With the continuous rotation of the agitator 2, the material The contact with the heating surface is constantly renewed, so that the material is heated evenly, so as to achieve a good drying effect.

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Abstract

A vacuum stirring dryer comprises a seam heating jacket, a stirrer, an exhaust opening and a cover; heat for drying is provided mainly by the stirrer and the steam heating jacket; after a heating medium is introduced into equipment, heat indirectly heats wet material through the seam heating jacket and the stirrer; moisture in the wet material is heated to vaporize; vapor is timely exhausted by a vacuum system; with continuous rotation of the stirrer, contact between the material and a heating face changes continuously, the material is evenly heated, and good drying is achieved.

Description

Technical field: [0001] The invention relates to a mechanical device, in particular to a stirring vacuum dryer. [0002] Background technique: [0003] There are many problems in the structure of conventional vacuum rake dryers. Generally, the shaft and rake teeth have no internal heating structure. Although some use hollow shafts and hollow rake teeth, due to the unreasonable design of the fluid channel structure, the drying efficiency is low, which directly restricts the scale and enlargement of the equipment; secondly, the use of a simple packing seal structure will seriously affect the product quality. quality. In response to these problems, through experimental research, the design institute has developed a new type of high-efficiency vacuum rake dryer with excellent structure and performance, and its technical level has reached the contemporary international advanced level. The main content of the research and development of the new vacuum rake dryer includes ba...

Claims

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Application Information

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IPC IPC(8): F26B7/00F26B11/14F26B23/10
Inventor 李永强
Owner HEILONGJIANG DAMING DAIRY MACHINERY
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