Steam generator having a high pressure combustor having...

Details Steam generator having a high pressure combustor having... Steam generator having a high pressure combustor having...

F - Mech Eng,Light,Heat,Weapons

22

B

122/43

F22B 27/00 (2006.01)

Patent

CA 1220685

STEAM GENERATOR HAVING A HIGH PRESSURE COMBUSTOR HAVING CONTROLLED THERMAL AND MECHANICAL STRESSES AND UTILIZING PYROPHORIC IGNITION ABSTRACT OF THE DISCLOSURE A steam generator having substantial thermal capaci- ty for producing high quality steam used primarily for downhole steam generation in tertiary oil recovery. Incorporated in the generator is a novel high pressure, high heat release combustor, utilizing high pressure gaseous fuel and compressed gas oxidizer such as air, wherein thermal and mechanical stresses on the combustor structure are controlled. A method for controlling combustion induced mechani- cal stresses on the combustor through fluid injection is also disclosed. Disclosed designs provide substantially increased combustor life in "Downhole" Steam Generation service. The burner employs an ignition technique utilizing gaseous injection of a pyrophoric compound such as triethylborane (TEA).

452057

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