Waste pyrolysis process and installation having a preheating unit
US5791267A · kind A · utility
0Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1995 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F5/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an installation intended for the pyrolysis of solids, comprising a rotary furnace (1) inside which pyrolysis is achieved, and a means (21) for heating the rotary furnace. The installation according to the invention further comprises a means (2) for preheating the solids, located upstream from said furnace, said means (2) comprises at least two zones (2a, 2b) in which the solids are preheated at different temperatures and a gas extraction device (12) into which the pyrolysis gases are led after passing through at least one of said preheating zones (2a, 2b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.