Radiant tube burner
US4813867A · kind A · utility
8Cited by
11References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 25, 1987 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | May 25, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23C2203/30
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A radiant tube burner is presented comprising a gas burner having a divergent flame type nozzle at its end and designed to be movable in the axial direction while placed coaxially in a combustion tube, primary air swirling vanes located at the end of the burner for forming a swirled flame and an air damper fitted on a primary air supply tube connected to the combustion tube for adjusting the primary and the second air ratio, whereby soft two-stage combustion takes place in the radiant tube. Generation of NOx is greatly reduced with the newly invented burner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.