Combustion chamber and thermal vapor stream producing apparatus

Details Combustion chamber and thermal vapor stream producing apparatus Combustion chamber and thermal vapor stream producing apparatus

1977-02-24

1978-10-10

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3957, F02G 300

Patent

active

041189256

ABSTRACT:
A new and improved method and apparatus for burning a hydrocarbon fuel for producing a high pressure thermal vapor stream comprising steam and combustion gases for injecting into a subterranean formation for the recovery of liquefiable minerals therefrom, wherein a high pressure combustion chamber having multiple refractory lined combustion zones of varying diameters is provided for burning a hydrocarbon fuel and pressurized air in predetermined ratios injected into the chamber for producing hot combustion gases essentially free of oxidizing components and solid carbonaceous particles. The combustion zones are formed by zones of increasing diameters up a final zone of decreasing diameter to provide expansion zones which cause turbulence through controlled thorough mixing of the air and fuel to facilitate complete combustion. The high pressure air and fuel is injected into the first of the multiple zones where ignition occurs with a portion of the air injected at or near the point of ignition to further provide turbulence and more complete combustion.

REFERENCES:
patent: 1047152 (1912-12-01), Benedict
patent: 1755846 (1930-04-01), Steed
patent: 2476185 (1949-07-01), Goddard
patent: 3276205 (1966-10-01), Reisman et al.
patent: 3918255 (1975-11-01), Holden
patent: 3939653 (1976-02-01), Schirmer

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