Dynamic ring classifier for a coal pulverizer
US7240868B2 · kind B2 · utility
8Cited by
17References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2006 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Apr 17, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C13/26
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to, among other things, a classifier assembly for mounting on the center shaft of a rotary coal pulverizer which includes a labyrinthian sealing arrangement operatively associated with the shaft for limiting the egress of unacceptably large coal particles from the pulverizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.