Pre-vaporizing liquid fuel burner

Patent · Tue Aug 19 04:00:00 EDT 1986

OSTI ID:5276682

Harvey, A C

A burner is described which consists of: (a) a housing formed with an internal chamber; (b) eductor means mounted to the housing at a forward end of the chamber, the eductor means formed with a passageway having an inlet and an outlet, a plurality of air ducts disposed within the passageway, the air ducts arranged to direct air flowing therein into a path toward the longitudinal axis of the chamber from the forward end of the chamber to a rear end thereof; (c) first means for introducing air into the chamber through the air ducts, recirculated combustion gas being drawn into the eductor means inlet, through the passageway and out the eductor means outlet by air flowing through the ducts, the gas and air entering the chamber in interleaving streams of gas and air, the gas and air mixing in the chamber; (d) second means for introducing fuel into the rear of the chamber in the flow path of the streams of gas and air, the fuel mixing with the mixture of combustion gas and air in the rear portion of the chamber to form a mixture of combustion gas, fuel, and air; and (e) flameholder means for supporting a flame, the flame-holder means positioned at the eductor means inlet, the combustion gas being drawn from the flame on the flame-holder means into the eductor means inlet, and means for delivering the mixture of combustion gas, fuel and air to the flameholder means about the eductor means.

• Assignee: Foster-Miller, Inc., Waltham, MA
• Patent Number(s): US 4606720
• OSTI ID: 5276682
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
421000* -- Engineering-- Combustion Systems
AIR FLOW
BURNERS
CHEMICAL REACTIONS
COMBUSTION
COMBUSTION CHAMBERS
DESIGN
DISPERSIONS
DUCTS
EVAPORATION
EVAPORATORS
FLAME PROPAGATION
FLUE GAS
FLUID FLOW
FUEL-AIR RATIO
FUELS
GAS FLOW
GASEOUS WASTES
LIQUID FUELS
MIXING
MIXTURES
OPERATION
OXIDATION
PHASE TRANSFORMATIONS
THERMOCHEMICAL PROCESSES
WASTES