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Horizontal rotary dryer

A rotary and dryer technology, applied in dryers, drying, lighting and heating equipment, etc., can solve the problems of poor thermal efficiency compared with indirect heating, large exhaust treatment equipment, etc., to increase contact time and contact area The effect of large heat transfer area

Active Publication Date: 2016-08-24
TSUKISHIMA KIKAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Rotary kiln directly dries hot air in contact with the object to be processed, so the thermal efficiency is inferior to that of indirect heating.
In addition, there is a disadvantage that the exhaust gas treatment equipment is very large.

Method used

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Embodiment Construction

[0054] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In addition, the following description and drawings are merely descriptions and drawings showing an example of an embodiment of the present invention, and should not be interpreted to limit the content of the present invention to this embodiment.

[0055] (processed object W)

[0056] First, there is no limitation on the object W to be dried, but specific examples thereof include ores such as coal, copper ore, iron powder, and zinc powder, metal-based substances, and terephthalic acid. , Resin-based substances such as polyethylene, polyoxymethylene, and polyvinyl chloride, processed food-based substances such as methionine, gluten flour, processed soybean powder, corn fiber, and corn germ, inorganic-based substances such as gypsum, aluminum oxide, and soda ash, and dehydrated sludge Wait.

[0057] Regarding the object W to be processed, it is preferable that t...

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Abstract

To provide a horizontal rotary dryer which exhibits improved drying performance and makes it easy to process large quantities of a processing-target material. A horizontal rotary dryer, the positional configuration of which is selected from positional configuration (1), positional configuration (2), or a combination thereof, wherein heating tubes are positioned in the selected positional configuration. (1) Each heating tube core is positioned on a straight line (L1) directly connecting the first reference heating tube core and the second reference heating tube core, wherein the second reference heating tube core is positioned to the rear in the direction of rotation of a rotating tube, relative to a radial line passing through the first reference heating tube core. (2) Each heating tube core is positioned on a curved line (L2) connecting the first reference heating tube core and the second reference heating tube core, and the position of the heating tube cores is increasingly farther to the rear in the direction of rotation of the rotating tube toward the second reference heating tube core, wherein the second reference heating tube core is positioned to the rear in the direction of rotation of the rotating tube relative to the radial line passing through the first reference heating tube core.

Description

technical field [0001] The present invention relates to a horizontal rotary dryer capable of increasing drying speed. Background technique [0002] A steam tube dryer (hereinafter referred to as "STD"), a coal in tube (Patent Document 1), a rotary kiln, and the like are often used as dryers for drying to-be-processed materials such as coal and ore. The coal or ore is used as a raw material for ironmaking or refining, power generation fuel, etc., and since it is required to process them stably and in large quantities, each of the above-mentioned dryers is used as a dryer suitable for this requirement. [0003] Since the STD indirectly heats the object to be processed, it has high thermal efficiency and a large processing capacity per unit capacity. In addition, it is also possible to achieve a large size, so it meets the requirements of a large amount of processing. [0004] Since the tubular dryer also indirectly heats the object to be processed, it has high thermal effici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/32
CPCF26B17/32
Inventor 中田洋一
Owner TSUKISHIMA KIKAI CO LTD
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