Combustor or gasifier for application in pressurized systems
AssigneeA. Ahlstrom Corporation
InventorsSteven J. Provol, David Russell
Life of this patent
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Abstract
A fluidized bed combustor or gasifier has a combustion chamber(s) with a non-symmetrical horizontal cross section. The chamber may be trapezoidal, hemispherical, or may have five or more side walls of at least two different lengths. The walls of the combustion chamber may be water tube panels. An external pressure vessel surrounds the combustion chamber(s) and associated particle separator(s), and may be spherical or cylindrical.
Claims23
A fluidized bed combustor or gasifier for application in pressurized systems comprising:
- at least one upright combustion chamber and at least one particle separator connected thereto and enclosed in a common external upright pressure vessel;
- and said combustion chamber having a nonsymmetrical horizontal cross section, wherein at least two adjacent substantially straight walls of said combustion chamber form an angle >90.degree..
A fluidized bed combustor or gasifier for application in pressurized systems comprising at least one upright combustion chamber and at least one particle separator connected thereto and enclosed in a common external upright pressure vessel;
- and said combustion chamber having a nonsymmetrical horizontal cross section, that is hemispherical.
Dependencies are inferred from the claim text.