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Anti-wear devices for agitator mills

A stirring ball mill and anti-wear technology, which is applied in grain processing and other directions, can solve the problems of insufficient wear protection, achieve good dimensional deviation, reduce the risk of failure, and prevent contact

Active Publication Date: 2016-11-23
NETZSCH精细研磨技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, known solutions of the above-mentioned type do not adequately achieve this wear protection

Method used

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  • Anti-wear devices for agitator mills
  • Anti-wear devices for agitator mills
  • Anti-wear devices for agitator mills

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0061] figure 1 The configuration of a known agitator ball mill 2 with a separating device 4 is shown schematically. The shown agitator ball mill 2 comprises a milling vessel 6 provided with a milling substance inlet 8 and a milling substance outlet 10 . A stirrer in the form of a stirrer shaft 12 is arranged centrally in the grinding container 6 . The stirring shaft 12 is provided with pin-shaped stirring bodies 14 which protrude into the grinding space 16 . The separating device 4 is provided inside the stirring shaft 12 . During operation of the grinder 2 , the medium to be ground is fed through the grinding material inlet 8 and conveyed in the direction of the grinding material outlet 10 . A grinding aid (not shown) is located in the grinding space 16 between the stirring shaft 12 and the grinding container 6 . The grinding substance-grinding auxiliary body-mixture is separated in the end region of the grinder 2 by means of the separating device 4, so that only the gri...

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PUM

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Abstract

An anti-wear device for an agitated mill, in particular an agitated ball mill (2), having an agitator (12) comprising a module body (20), capable of effectively protecting the entire The modular stirrer (12) is protected from wear and tear. To this end, according to the invention, the stirrer (12) is provided with a module body (20) formed as a grinding disc (30) from the end side on at least one end section, and the module body (20) is provided by means of a clamping device ( 32) Tensioning axially, wherein the clamping device (32) is provided with a protective body (38) as a cover plate, and the module body (20), clamping device (32) and protective body (38) are equipped with There is a seal (44).

Description

technical field [0001] The invention relates to a wear protection device for an agitator mill, in particular an agitator ball mill, having an agitator comprising a module body, and also to an agitator for an agitator ball mill. Background technique [0002] Agitator ball mills are used to comminute and homogenize solid particles, wherein the grinding aid is moved violently by means of an agitator, and the grinding aid consists, for example, of steel or a wear-resistant ceramic material. Here, solid particles are crushed by impact, pressure, scissors and friction. The grinding aids in the grinding container are activated by means of a stirrer which can be equipped with stirring bodies (eg rods or discs). [0003] The grinding aids used lead to wear, inter alia, of the grinding vessel and the stirrer. It has therefore been proposed in the past to equip the vessel walls with wear protection elements which can be replaced if necessary. For example, in the publication DE 10 20...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C17/20
CPCB02C17/20B02C17/163
Inventor H·默舍尔H·波许A·萨维尔瓦尔德L·P·韦兰
Owner NETZSCH精细研磨技术有限公司