Nozzle tip for a solid fuel burner
AssigneeGeneral Electric Technology GmbH
InventorsKevin Grzebien, John Childs Lewis, Kenneth Richard Smyth
Life of this patent
Estimating the term…
Abstract
A nozzle tip for a pulverized solid fuel pipe nozzle of a pulverized solid fuel-fired furnace is provided. The nozzle tip includes an inner nozzle portion and an outer nozzle portion that receives therein the inner nozzle portion. The outer nozzle portion has a lower supporting surface that is configured to support a lower surface of the inner nozzle portion. The outer nozzle portion also includes a plurality of ribs that define therebetween a plurality of flow passages for the passage of air. The ribs, in addition to define the airflow passages, provide bolstering support for the lower supporting surface. The outer nozzle portion is formed from stainless steel.
Claims7
A nozzle tip for a pulverized solid fuel pipe nozzle of a pulverized solid fuel-fired furnace, comprising:
- an inner nozzle portion, the inner nozzle portion having a housing with an upper outer surface and a lower outer surface;
- and
- an outer nozzle portion, the outer nozzle portion having a housing, a lower supporting surface and an upper supporting surface within the housing of the outer nozzle portion, and a plurality of ribs extending between the housing of the outer nozzle portion and the lower supporting surface and a plurality of ribs extending between the housing of the outer nozzle portion and the upper supporting surface;
- wherein the inner nozzle portion is receivable within the outer nozzle portion,
- wherein the lower supporting surface and the upper supporting surface of the outer nozzle portion are configured to support the housing of the inner nozzle portion when the inner nozzle portion is received within the outer nozzle portion;
- wherein the upper outer surface and the lower outer surface of the housing of the inner nozzle portion are supported on the lower supporting surface and the upper supporting surface of the outer nozzle portion,
- wherein the upper supporting surface and the lower supporting surface of the outer nozzle portion provide large surface areas for supporting the upper outer surface and the lower outer surface of the housing of the inner nozzle portion,
- wherein there is flat surface contact between the upper outer surface and the lower outer surface of the housing of the inner nozzle portion and the corresponding upper supporting surface and lower supporting surface of the outer nozzle portion.
Dependencies are inferred from the claim text.