Patent ID: 8991323
Filing Date: 2015-03-31
Classification: F23D,F23K,Y02E

Abstract:
1. A coal nozzle assembly for a pulverized coal burner, the coal nozzle assembly comprising: a coal nozzle having an upstream inlet and a downstream outlet and a longitudinal direction, the coal nozzle having a wall having an inner surface; a diffuser positioned in the coal nozzle closer to the upstream inlet than the downstream outlet, the diffuser having a body with a tapered upstream portion, the diffuser having a plurality of blades extending outwardly from the body; a burner elbow connected to the upstream inlet of the coal nozzle; wherein the burner elbow defines an observation portion and the elbow comprises a flow conditioner therein, said flow conditioner resulting in a pressure drop in said elbow; wherein the flow conditioner is adapted to direct a coal rope toward the upstream portion of the diffuser.