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Long-pipe airflow dryer

An air drying and dryer technology, applied in the field of mechanical devices, can solve the problems of long drying pipes, building construction, operation and inconvenience of equipment maintenance and so on.

Inactive Publication Date: 2015-02-11
HEILONGJIANG DAMING DAIRY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the long-tube airflow dryer, the hot air is not only the drying medium, but also plays the role of solid transport, and its rising speed should be greater than the free settling speed of the material particles, so that the material can rise at the differential speed of the air flow rate and the free settling speed, The long-tube airflow dryer has a long drying pipe, which brings inconvenience to house construction, operation and equipment maintenance. Therefore, many factories use cyclone dryers.

Method used

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  • Long-pipe airflow dryer

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Embodiment Construction

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

[0011]

[0012] A long tube type airflow dryer, the main part of the dryer is a drying tube 3 with a length of several meters to more than ten meters, the material and hot air enter at the lower end of the drying tube 3, and the hot air passes through the air filter before entering 1 and preheater 2, the material is added by the screw feeder 5 through the hopper 4, and the dried material is separated from the hot air and volatilized moisture in the cyclone separator 6, and is discharged by the product outlet 9 through the air locker 8 out.

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Abstract

Disclosed is a long-pipe airflow dryer. The main body of the long-pipe airflow dryer is a drying pipe meters or decameters long; materials and hot air can be fed at the lower end of the drying pipe, wherein the hot air passes through an air filter and a preheater before entering the drying pipe, and the materials is fed via a feeding hopper through a screw feeder; dried materials are separated from the hot air and volatilized moisture in a cyclone separator and discharged from a product outlet through a flap valve.

Description

Technical field: [0001] The invention relates to a mechanical device, in particular to a long-tube airflow dryer. [0002] Background technique: [0003] In the long-tube airflow dryer, the hot air is not only the drying medium, but also plays the role of solid transport, and its rising speed should be greater than the free settling speed of the material particles, so that the material can rise at the differential speed of the air flow rate and the free settling speed, The long tube air dryer has a long drying tube, which brings inconvenience to house construction, operation and equipment maintenance. Therefore, many factories use cyclone dryers. Invention content: [0004] The object of the present invention is to provide a long-tube airflow dryer in order to overcome the defects of the prior art. [0005] In order to achieve the above object, the technical solution adopted in the present invention is: [0006] A long-tube airflow dryer. The main part of the dry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/10
Inventor 李永强
Owner HEILONGJIANG DAMING DAIRY MACHINERY
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