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Cyclic drying device

A technology of circulating drying and furnace body, applied in the direction of dewatering/drying/concentrating sludge treatment, etc., can solve the problems of low drying efficiency and poor drying effect, and achieve the effect of uniform effect and improved effect.

Active Publication Date: 2016-06-01
湖南恒飞生物医药股份有限公司
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  • Summary
  • 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] Such as 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 in...

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Abstract

The invention discloses a cyclic drying device, which comprises a furnace body, a feeding device, a material collecting device, an air supply device and a stirring device, wherein the feeding device is used for adding materials into the furnace body; the material collecting device is used for collecting dried materials in the furnace body; the air supply device is used for introducing external hot gas into the furnace body through a first gas inlet; the stirring device is used for stirring and smashing the materials and comprises a rotating shaft; the rotating shaft is arranged in a cavity of the furnace body in a penetrating way, and is provided with a ventilation cavity; a plurality of gas spraying openings are formed in the ventilation cavity; the gas spraying direction of each gas spraying opening, the stirring direction of a stirring shaft and the stirring direction of blades are not coincident or parallel. During material drying, the hot gas is introduced into the cavity of the furnace body through the first gas inlet; the rotating shaft rotates to drive a stirring assembly arranged on the rotating shaft for continually stirring the materials in the radial direction and the axial direction of the rotating shaft, so that the materials can turn and roll in the axial direction and the radial direction of the rotating shaft in the furnace body; the stirred time of the materials is increased; the convection heat exchange area of the materials and the hot gas is increased.

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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IPC IPC(8): C02F11/12
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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