Method and calcining furnace for electric calcining of carbonaceous material
US6157667A · kind A · utility
8Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1999 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Oct 5, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2099/0025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electric furnace and method thereof for electric calcining of carbonaceous material for the production of graphite or graphite-containing material, wherein the carbonaceous material is supplied to the top of a vertically arranged furnace having a cylindrical cross section. The furnace is equipped with one top electrode and one bottom electrode supplied with electric current for heating of the carbonaceous material. The calcined carbonaceous material is discharged at the bottom of the furnace in one stream in the center of the furnace and one stream near the periphery of the furnace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.