Patent ID: 9638421
Date: 2017-05-02
CPC Classifications: D21C,F23C,F23D,F23Q

Claim:
1. A recovery boiler startup burner assembly comprising: a furnace having areas defining openings in a furnace wall; a windbox exteriorly engaging the furnace wall, wherein the windbox is configured to contain pressurized combustion air; an isolation chamber exteriorly engaging a windbox wall, wherein the isolation chamber is aligned with an area defining a first opening in the windbox wall and an area defining a second opening in the furnace wall, a startup burner disposed within the windbox, the startup burner having an firing end and a supply end, wherein the firing end is aligned with the area defining the second opening in the furnace wall and the supply end is aligned with the area defining the first opening in the windbox wall, wherein the startup burner is configured to be extracted through the isolation chamber, and wherein the isolation chamber is configured to isolate an extracted portion of the startup burner from the windbox.