Water cooled burner nozzle for solvent refined coal
US4274587A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Jan 22, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D2214/00
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A burner nozzle for solvent refined coal (SRC) is disclosed having means for removing heat which is adequate to maintain the exterior temperature of the burner nozzle below the level at which deposition of SRC residue has been observed. A specific embodiment comprises a water jacket about a tubular nozzle, the fuel outlet end being tapered to an edge at the fuel outlet end. The water jacket is provided with circumferential channels for circulating cooling fluid in a circuitous path around the nozzle. The channels are sized so that maximum flow velocity, and therefore maximum convective heat transfer, is maintained at the tapered edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.