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Wet powder drying system based on closed-loop conveying

A drying system and wet powder technology, applied in drying solid materials, drying cargo handling, drying gas layout, etc., can solve problems such as bulkiness, leakage of organic waste, and complex recovery devices.

Pending Publication Date: 2021-08-20
XIAN SOLID ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the transportation of wet powder, part of the liquid will volatilize, resulting in the leakage of organic waste, so the solid can only be transported in a closed manner.
Volatile organic compounds must be recovered during the transportation and drying process. When the transportation volume increases, the recovery device is quite complex and large

Method used

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  • Wet powder drying system based on closed-loop conveying

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] The present invention is a wet powder drying system based on closed-loop conveying, such as figure 1 As shown, it includes a wet powder discharge bin 11 capable of holding wet powder, the bottom of the wet powder discharge bin 11 is connected to a screw conveyor 12, the outlet of the screw conveyor 12 is connected to a star-shaped discharge valve 14, and the outlet of the discharge valve passes through a feeding pipeline Connected to the inlet end of the cyclone separator 7, the feeding pipeline can not only transport the wet powder in the wet powder lower hopper 11 to the cyclone separator 7, but also connect the hot air unit to the feeding pipeline, which can provide hot air for the feeding pipeline, The wet powder is dried under the action of the hot air flow, the material outlet end of the cyclone separator 7 is connected to the dr...

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Abstract

The invention discloses a wet powder drying system based on closed-loop conveying. The wet powder drying system comprises a wet powder discharging bin, the bottom of the wet powder discharging bin is connected with the inlet end of a cyclone separator through a feeding pipeline, the feeding pipeline is further connected with a hot air unit, a material outlet end of the cyclone separator is connected with a dry powder bin, an air outlet end of the cyclone separator is connected with an air inlet in the lower part of a bag-type dust collector through a pipeline, an air outlet in the upper part of the bag-type dust collector is connected with an organic matter recovery device through a pipeline, the bottom of the bag-type dust collector is connected with the dry powder bin, and a control valve a is connected to the pipeline between the bag-type dust collector and the organic matter recovery device. Wet powder is driven by hot air flow to flow in the pipeline; the pipeline is heated, so that air flow heating is achieved, hot air flow can be provided for wet powder, and the wet powder can be conveyed and dried conveniently; the separation efficiency of the materials in the cyclone separator is also very high; and through control of an air supply control valve group, air pressure balance in a closed-loop conveying and drying system is achieved, and the material atmosphere requirement is met.

Description

technical field [0001] The invention belongs to the technical field of wet powder conveying equipment, and in particular relates to a wet powder drying system based on closed-loop conveying. Background technique [0002] In the chemical production process, materials with high water content or liquid are commonly called wet powder. Wet powder is usually transported to drying equipment for dehydration or dehydration, and then enters the next stage of process. However, due to the liquid contained in the wet powder, its fluidity becomes poor, its viscosity increases, and it is very difficult to transport, especially for long-distance transport. And when it comes to the drying process, due to the presence of moisture, organic matter, hazardous gases, etc. in the material, the drying equipment is prone to accidents such as material blockage and evaporated gas leakage, making the environmental protection and safety not up to standard. At present, long-distance transportation basic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/10F26B21/00F26B25/00
CPCF26B17/105F26B21/001F26B21/004F26B25/002F26B25/007
Inventor 裴超彭春雪覃华龙薛龙
Owner XIAN SOLID ELECTRIC
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