Grinding plant and method of grinding and classifying brittle material for grinding

US5462234A · kind A · utility

Assignee

• Krupp Polysius AG · DE

Inventors

• Norbert Patzelt · Beckum, DE
• Gotthard Blasczyk · Beckum, DE
• Hubert Eickholt · Beckum, DE

Key dates

• Filing date: Apr 21, 1994
• Grant date: Oct 31, 1995
• Expiry date: Apr 21, 2014

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B02C21/005
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a grinding plant and to a method of grinding and classifying brittle material for grinding, in which two classifiers are used. The finer fraction from the first classifier is delivered to a second classifier which separates it into coarse material and fine material. The coarse material passes into a fine grinding mill and from there is conveyed back to the second classifier by way of a mechanically transporting conveyor arrangement.