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AssigneeSullivan, Higgins, and Brion PPE, LLC
InventorsDaniel R Higgins, Eugene Sullivan
Estimating the term…
A ground supported power boiler is described combining a refractory lined and insulated conical floor; an insulated cylindrical combustion chamber; a cylindrical furnace with water tube wall; a rectangular convective section; a single vertical steam drum; tangential injection of the fuel and combustion air; means for fluidizing the fuel bed; means for selectively stripping particulates from the flue gases; multi-stage particulate stripping and filtering from flue gases, means for using the walls of steam drum as steam/water droplet separator, means for recirculating and capturing heat from the flue gases; means for pressurizing the interior of the boiler above atmospheric pressure; means for heating and drying fuel prior to feeding the fuel to the boiler; means for creating hydrogen shift reaction; means for eliminating any need for sootblowing; and designed to not require the use of an induced draft fan.
A cylindrical furnace having a vertical axis around which a combusting fuel and gases are rotated to centrifugally move entrained particulates and denser gases to a perimeter of said cylindrical furnace and incorporating at least one extraction duct for removing at least a portion of said particulates, said extraction duct intersecting said cylindrical furnace at a location in an upper half of said cylindrical furnace, with less than 100% of the total gas moving through said cylindrical furnace exiting out the top of said cylindrical furnace and the balance of said gas flow exiting through at least one of said extraction ducts, in which an air cooled and refractory lined combustion chamber is located contiguously below said cylindrical furnace, said combustion chamber being circular in plan form, in which solid fuel particles are injected into said combustion chamber and at least partially burned therein.
A cylindrical furnace having a vertical axis around which a combusting fuel and gases are rotated to centrifugally move entrained particulates and denser gases to a perimeter of said cylindrical furnace and incorporating at least one extraction duct for removing at least a portion of said particulates, said extraction duct being refractory lined and air cooled, said extraction duct intersecting said cylindrical furnace at a location in an upper half of said combustion chamber, with less than 100% of the total gas moving through said cylindrical furnace exiting out the top of said cylindrical furnace and the balance of said gas flow exiting through at least one of said extraction ducts.
A cylindrical furnace section having a vertical axis around which a combusting fuel and gases are rotated to centrifugally move entrained particulates and denser gases to a perimeter of said cylindrical furnace and incorporating at least one extraction duct for removing at least a portion of said particulates, said extraction duct intersecting said cylindrical furnace at a location in an upper half of said combustion chamber, with less than 100% of the total gas moving through said cylindrical furnace exiting out the top of said cylindrical furnace and the balance of said gas flow exiting through at least one of said extraction ducts, in which at least some of said extracted gas or at least some of said gas exiting out the top of said cylindrical furnace is used to heat and/or at least partially dry at least some of the incoming fuel.
Dependencies are inferred from the claim text.