Bed material for bubbling fluidised bed combustion
OwnerBengt-Ake Andersson, Fredrik Lind +1inventors
InventorsBengt-Ake Andersson, Fredrik Lind, Henrik Thunman
Life of this patent
Estimating the term…
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 claims 1 and 4-5; and setting the excess air ratio (λ) to a value below 1.3.
Claims15
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.
Dependencies are inferred from the claim text.