System and method for increasing the concentration of pulverized fuel in a power plant
AssigneeGeneral Electric Technology GmbH
InventorsDragisa Ristic, Klemens Jakob Harter, Frank Michael Kluger
Life of this patent
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Abstract
A pre-ignition conduit for a pulverized fuel nozzle includes a duct having first and second opposing end portions, the first end portion configured to face an outlet of an igniter. The conduit further includes a cone-shaped concentrator for collecting and forwarding pulverized fuel into the duct for ignition, the cone-shaped concentrator being secured to the first end portion and located between the outlet of the igniter and the duct. The pre-ignition conduit functions as an ignition chamber within a pulverized fuel nozzle.
Claims24
A pre-ignition conduit for a pulverized fuel nozzle comprising:
- a duct having first and second opposing end portions, the first end portion facing an outlet of an igniter;
- a cone-shaped concentrator for collecting and forwarding pulverized fuel into the duct for ignition, the cone-shaped concentrator being secured to the first end portion and located between the outlet of the igniter and the duct, wherein the cone-shaped concentrator includes an eccentric cone;
- and
- wherein the pre-ignition conduit functions as an ignition chamber within a pulverized fuel nozzle.
A pulverized fuel nozzle for a burner having an internal diameter D, the nozzle comprising:
- an igniter having an outlet;
- a pre-ignition conduit that includes a duct have first and second opposing end portions, the first end portion configured to face the outlet of the igniter and a cone-shaped concentrator for collecting and forwarding pulverized fuel into the duct for ignition wherein the cone-shaped concentrator includes an eccentric cone, the cone-shaped concentrator being secured to the first end portion and located between the outlet of the igniter and the duct;
- and
- wherein the pre-ignition conduit functions as an ignition chamber within the pulverized fuel nozzle.
Dependencies are inferred from the claim text.