Mixing rate controlled pulse combustion burner
Patent
·
OSTI ID:5357891
This patent describes a pulse combustion burner. It comprises a combustion chamber for explosive cyclic combustion of a combustible gaseous mixture of air and fuel gas with gas pressure oscillations occurring in the burner. The combustion chamber having an inlet for admitting combustible gaseous mixture and an outlet for discharge of products of combustion of the gaseous mixture, a passageway having an axial flow direction for conveying air, fuel gas, and combustible gaseous mixture thereof into the chamber inlet, air supply means including a self-feeding flapper valve and an adjustable air flow valve for delivering a controlled flow of air through the passageway, fuel gas supply means including an adjustable fuel gas flow valve and an injector for delivering a controlled flow of fuel gas through the passageway. The adjustable air and fuel gas flow valves being operable to vary the operation of the burner over a burner turn-down range and to vary the air-to-fuel ratio. The flapper valve, air flow valve and injector being located in close proximity along the passageway to cause mixing of air and fuel gas within the passageway and to provide the combustible gaseous mixture as a homogeneous blend of air and fuel gas over the turn-down range.
- Assignee:
- Gas Research Institute, Chicago, IL
- Patent Number(s):
- US 4856981
- Application Number:
- PPN: US 7197991A
- OSTI ID:
- 5357891
- Country of Publication:
- United States
- Language:
- English
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