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A circulating drying device

A technology of circulating drying and stirring device, which is applied in the drying of solid materials, dehydration/drying/concentrated sludge treatment, drying, etc., can solve the problems of poor drying effect and low drying efficiency, and achieve the improvement effect and uniform effect. Effect

Active Publication Date: 2018-08-03
湖南恒飞生物医药股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defects of low drying efficiency and poor drying effect of the drying system in the prior art, thereby providing a drying device capable of improving drying efficiency and drying effect

Method used

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Embodiment 1

[0039] like figure 1 , the present embodiment provides a drying system, comprising

[0040] The furnace body 1 is arranged along the horizontal direction, and has a cavity, a material inlet 11 for feeding and taking out materials, and a material outlet 12; and a first air inlet 13 and a first air outlet 14 for heating gas to flow in and out;

[0041] Feeding device 2, used for adding materials into the furnace body 1;

[0042] The material receiving device 3 is used to collect the dried material in the furnace body 1;

[0043] stirring device, including

[0044] The rotating shaft 5 is installed in the cavity of the body of furnace 1, the rotating shaft 5 has a ventilation chamber, and several gas injection ports are arranged on the ventilation cavity, and the direction of the gas injection of the gas injection ports is the same as that of the stirring shaft 6. The stirring direction and the stirring direction of the blades 7 do not overlap and are not parallel, the air injec...

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Abstract

The invention discloses a circulation drying device, comprising a furnace body, a feeding device for adding materials into the furnace body, a material receiving device for collecting dried materials in the furnace body, and introducing hot gas from the outside through a first air inlet. The air supply device in the furnace body, and the stirring device for stirring and crushing the materials. Wherein, the stirring device includes a rotating shaft, which is installed in the cavity of the furnace body. The rotating shaft has a ventilating cavity, and several air injection ports are arranged on the ventilating cavity. The stirring directions of the blades and the stirring directions of the blades do not coincide and are not parallel; when the material is dried, the hot gas is introduced into the cavity of the furnace body through the first air inlet, and the rotation of the rotating shaft drives the stirring assembly on the rotating shaft to move in the radial direction of the rotating shaft. The material is continuously stirred in the axial and axial directions, so that the material can roll in the axial and radial direction of the rotating shaft in the furnace body, increasing the time for the material to be stirred, and increasing the convective heat exchange area between the material and the hot gas.

Description

technical field [0001] The invention relates to the technical field of heating and drying, in particular to a 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 number...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B25/04
CPCC02F11/12
Inventor 王良源
Owner 湖南恒飞生物医药股份有限公司
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