Reheater protection in a circulating fluidized bed steam generator
US5442919A · kind A · utility
31Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Dec 27, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF22B31/0084
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The final reheater in a circulating fluidized bed combustion system which is located in a separate fluidized bed heat exchanger and which would be subjected to hot solids without any cooling after a blackout or turbine is cooled by bleeding a portion of the steam from the superheater outlet through a normally closed high pressure drop valve and into the final reheater. A valve downstream from the final reheater is also opened to permit flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.