Hydraulic milling ball feed and discharge for stirred ball mills

US9216418B2 · kind B2 · utility

Assignee

• NETZCH-Feinmahltechnik GmbH · DE

Inventors

• Matthias Schaefer · Neustadt bei Coburg, DE
• Michael Lechner · Großheirath, DE
• Uwe Neumann · Coburg, DE
• Dimitrios Makrakis · Hof, DE
• Udo Enderle · Marktredwitz, DE
• Gerhard Kolb · Rehau, DE
• Stefan Mende · Selb, DE
• Klaus Ott · Sparneck, DE
• Horst Pausch · Schwarzenbach a.d.Saale, DE
• Michael Rappl · Pechbrunn, DE
• Peter Schertenleib · Selb, DE
• Michael Schmidt · Bloomington, US
• Peter Stich · Tirschenreuth, DE
• Lars-Peter Weiland · Schönwald, DE

Key dates

• Filing date: May 24, 2013
• Grant date: Dec 22, 2015
• Expiry date: Sep 10, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B02C17/161
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method for the introduction of auxiliary grinding bodies into an agitator ball mill and for the removal of auxiliary grinding bodies from an agitator ball mill. The auxiliary grinding bodies are transported into the agitator ball mill and out of the latter via a closed circuit by means of a hydraulic conveying medium.