Feed injector for gasification and related method
AssigneeGeneral Electric Company
InventorHenry Chan
Life of this patent
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Abstract
A feed injector for use in a gasification apparatus comprising plural concentric tubes converging at an outlet tip, at least one interior tube of the plural concentric tubes having a plurality of static, helically-twisted mixing elements fixed to an exterior surface thereof.
Claims20
A feed injector for use in a gasification apparatus comprising plural concentric tubes converging at an outlet tip, at least one interior tube of said plural concentric tubes having a plurality of static, helically-twisted mixing elements fixed to an exterior surface thereof.
A feed injector for use in a gasification apparatus in which streams of different fuel components are mixed, said feed injector comprising a plurality of concentrically arranged tubes defining at least two annular passages and one center passage converging at an outlet tip of the injector;
- and a plurality of static, helically-twisted mixing elements fixed on an internal one of said plurality of concentrically arranged tubes, said mixing elements arranged in alternating left and right hand pairs of such elements.
A method of supplying fuel components to a combustion device through a feed injector comprising:
- (a) providing a feed injector comprising plural concentric tubes including an outer tube, an intermediate tube and a center tube forming two annular passages and a single center passage converging at an outlet tip;
- (b) fixing a plurality of static, helically-twisted mixing elements to at least a peripheral surface of said center tube, within a radially inner one of said two annular passages;
- and
- (c) supplying fuel components through said two annular passages and said center passage for discharge through said outlet tip.
Dependencies are inferred from the claim text.