Patent · US Active

Preliminary size reduction device for a ball mill or agitator ball mill and ball mill with a preliminary size reduction device

US10471436B2 · kind B2 · utility

1Cited by

13References

15Claims

0Family size

Assignee

NETZCH-Feinmahltechnik GmbH · DE

Inventors

Udo Enderle · Marktredwitz, DE
Theron Harbs · Selb, DE
Holger Moeschl · Selb, DE
Lars-Peter Weiland · Schönwald, DE

Key dates

Filing date	Feb 29, 2016
Grant date	Nov 12, 2019
Priority date	—
Expiry date	Jun 6, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C23/38
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A preliminary size reduction device for a ball mill or agitator ball mill and a ball mill with a preliminary size reduction device, wherein the preliminary size reduction device is disposed between a grinding stock inlet of the ball mill or agitator ball mill and a grinding chamber and includes a first size reduction mechanism constituted stationary and a second, rotationally mobile size reduction mechanism, between which a size reduction gap is formed. The first size reduction mechanism constituted stationary is a size reduction ring disposed in the grinding container.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.