Forced draft burner
A fuel burner is described which consists of: a housing having a rectangular base and a pair of opposed side walls; a cylindrical blast tube extending from the housing adapted to be connected to a source of forced-draft combustion air; an inner tube substantially concentric with and spaced from the blast tube, defining an annular space therebetween, the inner tube extending from within the housing through the blast tube; the pair of substantially concentric tubes having inlet and outlet ends, the inlet end of the inner tube having a substantially 90/sup 0/ bend whereby the inlet end of the inner tube abuts a housing side wall inner side, and the outlet end of the inner tube extending beyond the outlet end of the blast tube, the inner tube outlet end having a closed end with equispaced discharge outlets formed around the periphery of the inner tube extending beyond the blast tube forming a nozzle for discharging fuel radially outwardly from the inner tube; means for removably connecting the inner tube inlet end to the housing side wall inner side, the housing side wall having an opening therein for communicating a source of fluid fuel to the inner tube; vane means positioned within the annular space, the vane means being fastened to the inner tube at a pre-selected point between the inlet and outlet ends; a circular spinner blade mounted at the outlet end of the blast tube, the spinner blade having a diameter smaller than the diameter of the blast tube to define a narrow annular slot adjacent the blast tube and the spinner blade having a plurality of vanes about its periphery, for the discharge of an annular flow of outer air with a swirling flow of inner air; the inner tube being axially removable from the blast tube and housing without substantially changing the position of the vanes in relation to the inner tube; and means to ignite the fuel.
- Assignee:
- Pendell Boiler, Ltd., Toronto
- Patent Number(s):
- US 4595355
- OSTI ID:
- 5500403
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
421000* -- Engineering-- Combustion Systems
AIR FLOW
ANNULAR SPACE
BURNERS
CHEMICAL REACTIONS
COMBUSTION
CONFIGURATION
DESIGN
FLUID FLOW
FUELS
GAS FLOW
IGNITION SYSTEMS
INCIDENCE ANGLE
NOZZLES
OXIDATION
POSITIONING
SPACE
SPACE DEPENDENCE
THERMOCHEMICAL PROCESSES
TUBES
VANES
VORTEX FLOW