Reverberatory screen for a radiant burner
Patent
·
OSTI ID:872683
- North East, MD
The present invention relates to porous mat gas fired radiant burner panels utilizing improved reverberatory screens. The purpose of these screens is to boost the overall radiant output of the burner relative to a burner using no screen and the same fuel-air flow rates. In one embodiment, the reverberatory screen is fabricated from ceramic composite material, which can withstand higher operating temperatures than its metallic equivalent. In another embodiment the reverberatory screen is corrugated. The corrugations add stiffness which helps to resist creep and thermally induced distortions due to temperature or thermal expansion coefficient differences. As an added benefit, it has been unexpectedly discovered that the corrugations further increase the radiant efficiency of the burner. In a preferred embodiment, the reverberatory screen is both corrugated and made from ceramic composite material.
- Research Organization:
- Honeywell Advanced Composites, Inc. (US)
- DOE Contract Number:
- FC02-92CE40999
- Assignee:
- AlliedSignal Composites Inc. (); Lanxide Technology Company, LP ()
- Patent Number(s):
- US 5989013
- OSTI ID:
- 872683
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/431/126/501/
add
added
air flow
benefit
boost
burner
ceramic
ceramic composite
coefficient
composite
composite mat
composite material
corrugated
corrugations
creep
differences
discovered
distortions
due
efficiency
embodiment
equivalent
expansion
expansion coefficient
fabricated
fired
flow
flow rate
flow rates
fuel-air
gas
gas fired
helps
improved
increase
induced
mat
material
metallic
operating
operating temperature
operating temperatures
output
overall
panels
porous
preferred
preferred embodiment
purpose
radiant
radiant burner
radiant output
rates
relates
relative
resist
reverberatory
reverberatory screen
screen
screens
stiffness
temperature
temperatures
thermal
thermal expansion
thermally
thermally induced
unexpectedly
utilizing
withstand
add
added
air flow
benefit
boost
burner
ceramic
ceramic composite
coefficient
composite
composite mat
composite material
corrugated
corrugations
creep
differences
discovered
distortions
due
efficiency
embodiment
equivalent
expansion
expansion coefficient
fabricated
fired
flow
flow rate
flow rates
fuel-air
gas
gas fired
helps
improved
increase
induced
mat
material
metallic
operating
operating temperature
operating temperatures
output
overall
panels
porous
preferred
preferred embodiment
purpose
radiant
radiant burner
radiant output
rates
relates
relative
resist
reverberatory
reverberatory screen
screen
screens
stiffness
temperature
temperatures
thermal
thermal expansion
thermally
thermally induced
unexpectedly
utilizing
withstand