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A vacuum drying system

A technology of vacuum drying and vacuum device, applied in sludge drying, drying solid materials, drying cargo handling, etc., can solve the problems of high energy consumption and low drying efficiency of drying system, so as to increase the convective heat exchange area and improve the heat exchange Thermal efficiency, the effect of improving the degree of loosening

Active Publication Date: 2017-12-29
江苏碧诺环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defects of low drying efficiency and high energy consumption of the drying system in the prior art, thereby providing a drying system that can improve drying efficiency and reduce energy consumption

Method used

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  • A vacuum drying system

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Embodiment 1

[0043] like figure 1 As shown, a kind of vacuum drying system provided in this embodiment includes

[0044] The furnace body 1 is arranged along the horizontal direction, and has a sealed cavity, a material inlet 11 for feeding and taking out materials, and a material outlet 12; and a first gas outlet 13 for the gas in the furnace body 1 to flow out;

[0045] The feeding device 2 is used to add materials into the cavity of the furnace body 1;

[0046] The material receiving device 3 is used to collect the dried material in the furnace body 1;

[0047] The vacuum device 8 is connected with the first gas outlet 13, and is used to maintain the required negative pressure environment in the cavity of the furnace body 1;

[0048] Stirring device for stirring and pulverizing the materials in the furnace body 1 in multiple directions;

[0049] The heating device is used to provide heat to the wall surface of the furnace body 1 and / or the stirring device, so that the cavity of the fur...

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Abstract

The invention discloses a vacuum drying system. The vacuum drying system comprises a stove body provided with a sealed cavity, a feeding inlet, a discharging outlet and a first air outlet, a feeding device used for adding materials into the cavity of the stove body, a receiving device used for collecting the dried materials in the stove body, a vacuum device connected with the first air outlet, a stirring device used for conducting multidirectional stirring and crushing on the materials in the stove body, and a heating device used for providing heat for the wall face of the stove body and / or the stirring device. When the materials are dried, the stirring device conducts multidirectional stirring and crushing on the materials in the stove body and crushes large-particle materials continuously, and small-particle materials are formed, so that the convection heat exchanging area of the materials and the high-temperature environment stove body is increased, and the drying efficiency is improved. In addition, the stove body is in a negative-pressure state under the action of the vacuum device, and moisture in the materials can be evaporated to gases in a low temperature, so that the heat needed for drying the materials is reduced, and the energy consumption of the whole drying system is low.

Description

technical field [0001] The invention relates to the technical field of thermal drying, in particular to a vacuum drying system. Background technique [0002] Sludge is the product of the sewage treatment process, which contains a large amount of organic matter, heavy metals and molds, etc. If no follow-up treatment is added, it will cause serious pollution to the environment. Therefore, it is often necessary to concentrate and dehydrate the sludge, but after this treatment The moisture content of the final sludge is usually above 70%, and the sludge needs to be further dried. [0003] In the prior art, the drying system used for sludge drying is mostly structured as the drying system disclosed in the Chinese patent document CN201058838Y, including a furnace body, a feeder connected to the feed port of the furnace body, and an air outlet of the furnace body. Connected spray tower. Among them, the furnace body includes a transmission shaft arranged in the furnace body, a num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B11/14F26B5/04F26B25/00F26B25/04
CPCF26B5/04F26B11/14F26B25/001F26B25/04F26B2200/18
Inventor 蒋子厚蒋子才
Owner 江苏碧诺环保科技有限公司
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