Method and device for fine grinding of mineral particles
US7093782B2 · kind B2 · utility
1Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2002 |
| Grant date | Aug 22, 2006 |
| Priority date | — |
| Expiry date | Jan 13, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C17/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for fine grinding of mineral particles consists of producing by atomization pellets, made from steel with a high carbon content, or cast iron, with a granular size range less than 15 mm and mixing the pellets with balls, made from steel or cast iron with dimensions between 20 mm and 120 mm, in a rotating grinding mill, the proportion by weight of pellets depending on the granular size of the mineral particles for grinding and the desired reduction ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.