Drying apparatus

A kind of drying equipment and equipment technology, which is applied in the directions of tobacco drying, drying solid materials, drying gas arrangement, etc., and can solve the problem of huge drying equipment, etc.

Inactive Publication Date: 2016-01-20
DICKINSON LEGG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The aforementioned drying equipment can be bulky

Method used

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Embodiment Construction

[0040] will now refer to Figure 1-9 The conventional known drying equipment and the drying equipment of the present invention are described. Some details of the structure and method of operation of known drying apparatuses have been described above and are summarized below. Moisture is removed from the moist tobacco product in the duct 3 which conveys and disperses the tobacco product in the air stream. The cyclone 4 acts to separate the tobacco product from the exhaust gas which is then treated and purified or recycled.

[0041] The drying apparatus 200, 300, 400, 500 of an embodiment of the present invention comprises substantially similar figure 1 Some parts of the parts of the apparatus shown in , therefore similar features are labeled with the same reference numerals. Refer to the attached figure 2 , which shows a drying device 200 according to a first embodiment of the present invention, the drying device 200 having a flow modification device 20 located in the proc...

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Abstract

A drying apparatus for drying a fibrous material is described. The apparatus provides a drying apparatus for drying a fibrous or granular material comprising, a heater arranged to heat a first gas stream and a fibrous material, the first gas stream arranged to enter the drying apparatus at an inlet, the gas stream including steam. A separator is provided for separating a said fibrous material from the first gas stream to form a second gas stream, and a fan and a duct are arranged to recirculate the second gas stream to the process heater steam injection apparatus. A flow variation apparatus is arranged to vary the flow of gas in a first gas stream and improve the drying function due to increased heat and mass transfer between the gas stream and the tobacco product.

Description

technical field [0001] The present invention relates to drying apparatus and methods for drying fibrous or particulate material and in particular, but not exclusively, to drying apparatus and methods for drying fibrous material such as tobacco leaves or parts of tobacco leaves. Background technique [0002] In basic tobacco processing, tobacco leaves are processed for cigarette manufacture. Laminates of tobacco leaves are compressed and then cut in cutters to provide tobacco particles suitable for cigarette manufacture. Moisture is typically removed from the fibrous tobacco material in order to improve the handling and filling attributes of the tobacco material. [0003] It is known within the tobacco industry to employ pneumatic conveying dryers (also known as flash dryers) to reduce the moisture content of cigarette fibrous material to levels eg suitable for cigarette manufacture and packaging. The general principle in such dryers is that the tobacco product is conveyed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B3/10F26B17/10F26B21/12A24B3/04F26B23/00
CPCA24B3/04F26B3/10F26B17/101F26B21/12F26B23/004F26B2200/22Y02P70/10F26B17/107
Inventor T·H·怀特
Owner DICKINSON LEGG
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