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Rake type dryer

A rake dryer and drying chamber technology, which is applied in the direction of dryers, drying solid materials, drying chambers/containers, etc., and can solve the problems of low drying efficiency

Active Publication Date: 2014-04-09
南通范氏机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: to overcome the defects of low drying efficiency of traditional dryers, and provide a rake dryer with uniform material turning, thorough and fast drying

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The rake head 7 is T-shaped.

[0021] The projection of the rake head 7 in a plane parallel to the rotating shaft 4 is equal in width to the projection of the tail of the rake root 8 in this plane.

[0022] The inside of the rake bar 3 has a rake bar middle water pipe 9, and the inside of the rotating shaft 4 has a rotating shaft middle water pipe 10; the rake bar middle water pipe and the rotating shaft middle water pipe are connected to each other, and the rotating shaft middle water pipe 10 is connected to an external pipeline for heating by inputting hot water materials.

[0023] The body casing 1 contains a semi-pipe heating pipeline 6, and steam is passed into the pipeline to provide a heat source for the material.

[0024] The material of the wall surface of the drying chamber inside the body shell 1 in contact with the material is stainless steel, which has good corrosion resistance and heat resistance.

Embodiment 2

[0026] The rake head 7 is an inverted L shape.

[0027] The projection of the rake head 7 in a plane parallel to the rotating shaft 4 is larger than the projection of the tail of the rake root 8 in this plane.

[0028] The inside of the rake bar 3 and the inside of the rotating shaft 4 have connected water pipes, which are connected with the external pipeline for inputting cold water to cool the material.

[0029] The body shell 1 contains a semi-pipe heating pipeline 6, and hot oil is passed into the pipeline to provide a heat source for the material.

[0030] The rake rod 3 is movably connected to the rotating shaft 4, and the rake rod 3 can swing 0-15° left and right along the axial direction of the rotating shaft 4, which further facilitates stirring and turning over materials.

[0031] The wall surface material of the drying chamber inside the body shell 1 that is in contact with the material is carbon steel, which has good corrosion resistance and heat resistance.

[0...

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Abstract

The invention provides a rake type dryer, comprising a shell of the dryer, a drying room, a rotating shaft, a rake bar, a water vapor outlet, a material outlet, vacuum equipment and other parts of a common dryer, wherein the rake rod is connected with the rotating shaft, can be fist-shaped, T-shaped or inverted L-shaped and is formed by a rake root and a rake head; the cross sectional area of the rake root is reduced gradually in a direction from the rotating shaft to the rake head, and the cross sectional area of the rake head is larger than that of the tail of the rake root; a water pipe in the rake rod is communicated with a water pipe in the rotating shaft; and the shell of the dryer is internally provided with a semi-tubular heating pipeline, and stainless steels or carbon steels are used as wall materials of the drying room in the dryer. The dryer can be used to dry pulpy, paste-like, granular, powdery and fibriform materials and applied to industries such as chemical industry, foodstuff industry, medicine industry, dyestuff industry and the like.

Description

technical field [0001] The invention relates to a dryer, in particular to a rake dryer using a fist-shaped rake. Background technique [0002] Usually, the dryer is composed of the rotor part, the machine shell part, the vacuum system, the heating part, the transmission system and the electric control system and other parts. The rotor part of the ordinary dryer does not help the material to turn over much, the moisture in the material is not easy to release, the drying efficiency is low, and the energy consumption is large. [0003] The description of the patent application No. 200710021519.8 discloses a rake dryer, which mainly adopts a hollow main shaft to be installed in the inner cylinder of the tank. Shaft and empty stomach rake head, small steam consumption, fast heating. But the shape of its rake bar has not been improved, and the overturning effect of the material has not been brought into play. Contents of the invention [0004] Purpose of the invention: to ove...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B25/04F26B23/10F26B25/12
Inventor 范靖华汤俊
Owner 南通范氏机械有限公司
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