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Dynamic mixer

A mixer, dynamic technology, applied in the direction of mixers, mixers with rotating stirring devices, chemical instruments and methods, etc., can solve pollution and other problems, and achieve the effect of uniform friction and high tightness

Inactive Publication Date: 2013-09-25
OERLIKON TEXTILE GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although such accumulations can advantageously be used to lubricate the bearing section of the mixing shaft, they have the disadvantage that, for example, undesired contamination occurs in the mixing chamber after a color change

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 A first exemplary embodiment of a dynamic mixer for mixing flowable media is shown schematically in cross section. The mixer has a multi-part housing 1 which includes an inner mixing chamber 8 and a mixing shaft 7 . The housing 1 is cylindrical and consists of a sealing housing 2 , a support housing 3 , housing rings 4 and an outlet housing 5 . The housing parts 2 , 3 , 4 and 5 are connected to one another in a pressure-tight manner via a plurality of screw parts 30 . To this end, a plurality of sealing rings 17 are arranged between the individual housing parts.

[0025] The mixing chamber 8 extends between the support housing 3 and the outlet housing 5 , the individual housing rings 4 forming the actual mixing space of the mixing chamber 8 . The inlet of the mixing chamber 8 is thus formed in the support housing 3 . A discharge end of the mixing chamber 8 is formed by the discharge housing 5 . An outlet opening 16 , which opens directly into the mixing ch...

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PUM

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Abstract

A dynamic mixer for mixing flowable media, which has a mixing chamber (8) in a multipart housing (1), is described. A plurality of inlets (13.1, 13.2) and an outlet (16) of the mixing chamber are arranged on the housing, and a mixing shaft (7) having a mixer section (7.1) projects into the mixing chamber. The mixing shaft is mounted in a sliding bearing in the housing by means of a bearing section (7.2) and passes through the housing with a drive section (7.3) for coupling to a drive. To avoid dead spaces within the housing as far as possible, the housing has, according to the invention, a sealing hole (10) for accommodating the drive section of the mixing shaft and a bearing hole (9) for mounting the bearing section of the mixing shaft, where the sealing hole has a greater diameter than the bearing hole in order to accommodate a sealing means.

Description

technical field [0001] The invention relates to a dynamic mixer for mixing flowable media according to the preamble of claim 1 . Background technique [0002] It is known in polymer processing that the properties of polymers are influenced within a wide range by additives. It is customary in this respect to mix the additive with the polymer. As additives, additives, pigments, stabilizers, lubricants or other polymers can be mixed into the base polymer. However, it is also possible to mix different additives, such as individual pigments, with one another before feeding them in. Dynamic mixers are usually used for this purpose, in which the media are mixed in a mixing chamber via a mixing shaft. [0003] Such mixers are described, for example, in the professional paper "High-Efficiency-Dynamic Cavity Mixer for Polymer Processing" F Deckmeis, Chemical Fiber Internatonal ("High-Efficiency-Dynamic Cavity Mixer for Polymer Processing" F. Dickmeis, Chemical Fiber International)...

Claims

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Application Information

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IPC IPC(8): B01F7/00B01F15/00F16C35/02B29B7/40
CPCB29B7/401B29B7/407B29B7/402B29B7/408B01F27/2722B01F2035/353B01F2035/3513B01F2035/352B01F35/4113B01F35/51B01F35/561B01F27/091
Inventor U·黑尔宾D·维茨勒H·容布鲁斯
Owner OERLIKON TEXTILE GMBH & CO KG