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Radial mixing devices for rotating inclined reactors

A technology of rotating reactors and mixing equipment, applied in the directions of mixers with rotating vessels, chemical/physical/physical-chemical stationary reactors, chemical/physical/physical-chemical nozzle reactors, etc.

Active Publication Date: 2013-10-30
科普科莱迪聚合物有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although WO 2004 / 018541 contemplates the use of baffles or internals, the necessity to increase mixing in the radial direction of rotation and maintain plug flow-like performance does not help to teach the design of such baffles

Method used

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  • Radial mixing devices for rotating inclined reactors
  • Radial mixing devices for rotating inclined reactors
  • Radial mixing devices for rotating inclined reactors

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Embodiment Construction

[0016] Conventional wisdom holds that rotary reactors with mixing devices (internals) have less plug flow behavior or "degree of plug flow" than rotary reactors without mixing devices (internals). ). This is because it has been assumed that internals will create a hybrid axial and radial part. Practitioners know that axial mixing components - forcing material to fall forward or backward along the axis of rotation - create widely distributed properties and are the primary function of any internal component. This means that the plug flow of a reactor with internals should always be less than that of the same reactor without internals.

[0017] Described and claimed herein is the discovery that when the equivalent length of the internal mixing equipment is greater than about one-tenth the length of a horizontal reactor, the axial mixing elements are larger than reactors without mixing equipment, but when mixing When the equivalent length of the equipment is less than about one-...

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Abstract

Disclosed in this specification is the design for an internal mixing device which increases the plug flow like behaviour of the rotating inclined reactor.

Description

【Background technique】 [0001] For the heat treatment of plastic pellets, or chips, especially fine crystallizable polyesters comprising at least 75% of acid units derived from terephthalic acid, phthalic acid, 2,6 naphthalene dihydroxy acid or their respective diesters Granules, granules or chips, while the rotary kiln or cement kiln reactor used has been disclosed by the patent application WO 2004 / 018541. An essential feature of WO 2004 / 018541 is the use of plug flow like behavior to achieve no difference in fine particle properties at the outlet. Although WO 2004 / 018541 contemplates the use of baffles or internals, the necessity to increase mixing in the radial direction of rotation and maintain plug flow-like performance does not help to teach the design of such baffles. [0002] US Patent 3,767,601 describes a rotary kiln reactor adapted for polyester flakes with internals for good mixing. US Patent 3,767,601 discloses a kiln with internals suitable for both batch and co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/28C08G63/78C08G63/80C08J11/04B01F29/60B01F33/40
CPCB01J19/2405C08G63/785B01J2219/00768B01J8/24B01F2009/0063B01J2219/00777B01J8/18B01J2219/0004B01J2219/00168B01J2219/187B01J4/002B01J2219/00772B01J6/002C08G63/80B01J2219/0077B01J19/26B01J2219/1943B01F9/004B01F9/06B01J19/28B01J19/006B01J2219/1923B01J2219/00166B01F29/40112B01F29/4033B01F29/63B01J19/20B01F29/60B01F33/40
Inventor G·卡瓦格利亚G·博韦里
Owner 科普科莱迪聚合物有限责任公司