The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2011
Filed:
Jun. 19, 2008
Applicant:
Brian S. Higgins, Walnut Creek, CA (US);
Inventor:
Brian S. Higgins, Walnut Creek, CA (US);
Assignee:
Nalco Mobotec, Inc., Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23C 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circulating fluidized bed boiler having improved reactant utilization. The circulating fluidized bed boiler includes a circulating fluidized bed having a dense bed portion and a lower furnace portion above the dense bed portion. At least one secondary air and recirculated flue gas injection device is downstream of the circulating fluidized bed for providing mixing of the reactant and the flue gas in the furnace above the dense bed. The present invention also includes methods of operating a fluidized bed boiler.