Roller mill, particularly air-swept roller mill, and method for grinding materials with magnetizable, particularly iron-containing constituents, E. G. slag
US7350727B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Nov 2, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C2015/002
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a roller mill, particularly an air-swept roller mill provided with a device for separating magnetizable constituents, particularly iron particles from the milling area. The invention also relates to a method for grinding materials with magnetizable, particularly iron-containing constituents, e.g. slag, in an air-swept roller mill where, for avoiding concentrations of magnetizable particles, particularly iron particles, on the grinding pan, said particles are electromagnetically separated and removed from the roller mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.