Coal beneficiation/combustion system
US4397248A · kind A · utility
26Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | May 26, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23K1/00
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system receives raw coal which is routed through crushing, screening, pulverizing, classifying, and beneficiation stages with the de-mineralized fraction of the coal routed to a pulverized-coal-fired furnace, while the mineralized fraction is routed to a fluidized bed furnace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.