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Drying and/or processing of materials

A technology for drying, treating gases, used in the drying and/or handling of materials, which can solve the problems of increased operating costs of motors, increased demand for fans or blowers, etc.

Active Publication Date: 2014-12-17
CERAMIC DRYING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Instead of using relatively low-weight high-temperature gas, the use of large quantities of low-temperature gas results in increased demand for fans or blowers and increased operating costs for motors

Method used

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  • Drying and/or processing of materials
  • Drying and/or processing of materials
  • Drying and/or processing of materials

Examples

Experimental program
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Embodiment Construction

[0018] First refer to figure 1 , showing a drying and / or processing apparatus comprising a drying and / or processing chamber 10 within which a cylinder 12 is supported for rotation by suitable bearings (not shown) and configured to be composed of associated driven by a motor (not shown). The chamber 10 houses a circulation fan 14 configured to draw process gas along a cylinder 12 and to supply the gas along a circulation path 16 within which a heater arrangement 18 is located. Fan 14 may take various forms.

[0019] The chamber 10 includes a downwardly extending inlet pipe 20 through which material to be dried or processed enters the chamber 10 and a similar outlet pipe 22 through which material which has been dried or processed can leave the chamber 10 . A conveyor belt arrangement 24 is provided to carry the material through the inlet pipe 20 to the interior of the cylinder 12 . A similar conveyor arrangement may be provided to transport material out of the chamber 10 . H...

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PUM

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Abstract

A method of drying or processing materials in a drying or processing cylinder, or other drying or processing apparatus, located within or forming at least part of an enclosure 1. At least a portion of a process gas entering a higher pressure region 4 of the enclosure is routed by a fan 2 through a venturi and around, over, across, through or adjacent the open end of a material input tube 7 at increased speed and reduced pressure. This provides suction at the opening of the material input tube into the higher pressure region of the enclosure which is sufficient to prevent, or substantially prevent, the pressure at the higher pressure region of the enclosure causing the process gas atmosphere in the enclosure to be blown through the tube and out of the enclosure into the external air or other gas atmosphere outside the apparatus. Preferably, the venturi is defined by an annulus formed by the material input tube located coaxially within a process gas duct 6, 8. The speed of the fan may be controlled. In a further aspect, an associated apparatus is disclosed.

Description

technical field [0001] The present invention relates to methods and apparatus suitable for use in drying and / or processing of materials. Background technique [0002] GB 2281383 describes an apparatus suitable for use in the continuous drying of wet material in an atmosphere mainly consisting of superheated steam. The apparatus comprises a chamber from which extend an inlet pipe and an outlet pipe through which material to be dried enters the chamber and once dried leaves the chamber through an outlet pipe. The tubes extend downwards so that in use a temperature and density differential layer is formed in the tubes and effectively acts as a seal preventing outside air or other gases from entering the chamber and superheated steam or other gases from escaping from the chamber. The entry or exit of gas entrained by the material into or out of the chamber may cause some escape of gas into or out of the chamber to occur, but usually only at low levels. [0003] PCT / GB02 / 01497 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B21/00F26B21/06
CPCF26B21/001F26B21/06F26B21/12F26B21/02F26B2200/18F26B2200/24F26B11/024F26B11/028F26B17/106F26B23/00
Inventor T·P·邓恩G·伯德T·J·斯图宾
Owner CERAMIC DRYING SYST