Process for recycling combustion gases in a drying system
US5588222A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Mar 15, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B23/022
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In a process for drying material in a drying system, a first current of heated gas is supplied to a first dryer from a corresponding first combustion chamber. Material to be dried is exposed to the first current in the first dryer. The dried material is separated from the first current of heated gas. The first current of heated gas is split into a first stream of heated gas and a second stream of heated gas after the dried material has been separated. The first stream is introduced into the first combustion chamber so that the gas generated in the first combustion chamber and the first stream are combined to constitute the first current of heated gas. At least a portion of the second stream is introduced into the second combustion chamber. A second current of heated gas is supplied to a second dryer from the second combustion chamber. The portion of the second stream introduced into the second combustion chamber constitutes a portion of the second current. Material to be dried is exposed to the second current in the second dryer. The dried material is separated from the second current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.