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Powder drying system and method for recovering particles in such a system

一种粉末颗粒、干燥系统的技术，应用在化学仪器和方法、分离方法、弥散粒子分离等方向，能够解决能耗高增长、体型大等问题，达到减少停机时间、尺寸小、减少能耗的效果

Active Publication Date: 2018-08-31
GEA PROCESS ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this has the disadvantage of a high increase in energy consumption due to the much higher pressure drop from inlet to outlet
Further, since the size of the cyclone tube is substantially the same as that of the cyclone separator, it has the disadvantage of being large

Method used

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  • Powder drying system and method for recovering particles in such a system
  • Powder drying system and method for recovering particles in such a system
  • Powder drying system and method for recovering particles in such a system

Examples

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Embodiment Construction

[0041] FIG. 1 shows a schematic diagram of the main components of a powder drying system in the form of a spray drying system 1 . In a manner known per se, the spray drying system 1 comprises a spray dryer with a drying chamber 2 and a process air / gas supply 3 , typically comprising an air / gas disperser. It should be noted that the term "gas" will be used together with the term "air" as "air / gas" and should be construed to cover any gas suitable as process gas in such a spray drying system. The drying chamber 2 also incorporates atomizing means, such as nozzles and / or atomizing wheels. The term "powder drying system" is intended to cover such systems handling powdered or granular materials. The material can be provided as a feed of powdered or granular material or as a liquid feed to be dried. The powder drying system is also intended to include cooling of the granular material. Such systems may include one or more fluidized beds, flash dryers, etc. in addition to or altern...

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PUM

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Abstract

A cyclone (4) for separation of solids and gases comprising a predefined circumference and at least one inlet (42a), for supplying a mixed stream of powder and air / gas, a first outlet in the form of apowder outlet (43) at the bottom of the cyclone (4) for extracting powder, a vortex finder (45) at the top of the cyclone, said vortex finder (45) further comprising a wall (50) and a second outlet in the form of an air / gas outlet (44) for extracting air / gas, characterized in that said cyclone(4) comprises a secondary powder extraction system (46) including a third outlet (48a), located in or atthe vortex finder (45) to extract powder particles from the mixed stream entering the vortex finder (45).

Description

technical field [0001] The present invention relates to a cyclone separator for separating solids and gases, said cyclone separator comprising: a predetermined circumference; and at least one inlet for supplying a mixed flow of powder and air / gas; at the bottom of the cyclone separator A first outlet in the form of a powder outlet for extracting powder; a vortex finder at the top of the cyclone further comprising a wall and an air / gas outlet for extracting air / gas Form the second exit. The invention also relates to a powder drying and / or treatment system, and a method of recovering particles in such a system. Background technique [0002] In the field of powder drying there are generally high demands on system efficiency and a specific area of ​​demand is the separation of dry product and process air / gas. [0003] When drying powder products, the mixture of air / gas and dry powder particles leaves the main powder drying processing unit and enters multiple separation units. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04C5/04B04C5/13
CPCB04C5/04B04C5/13B01D50/20B01D45/16B04C5/24B04C2009/002B04C2009/005
Inventor 卡斯珀·博苏·丹杰尔
Owner GEA PROCESS ENG