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. 22, 2020
Filed:
Dec. 17, 2015
Applicant:
Improbed Ab, Malmo, SE;
Inventors:
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F23C 10/00 (2006.01); F23C 10/20 (2006.01); F23G 5/30 (2006.01); F23C 10/18 (2006.01); F23C 10/12 (2006.01);
U.S. Cl.
CPC ...
F23C 10/20 (2013.01); F23C 10/00 (2013.01); F23C 10/12 (2013.01); F23C 10/18 (2013.01); F23G 5/30 (2013.01); F23G 2203/504 (2013.01);
Abstract
The invention is in the technical field of bubbling fluidized bed combustion and relates to the use of ilmenite particles with an average particle size <dp> between 0.1 mm and 1.8 mm as bed material for a bubbling fluidized bed (BFB) boiler with an excess air ratio (λ) below 1.3 and to a method for operating a bubbling fluidized bed (BFB) boiler, comprising carrying out the combustion process with a bubbling fluidized bed comprising ilmenite particles as defined in any one of claimsand-; and setting the excess air ratio (λ) to a value below 1.3.