Class 110/261 - Powdered solid fuel

Subclass of Class 110 - Furnaces
Definition: Apparatus capable of burning pulverized solid fuel.
No. of applications: 24
Last issue date: 02/16/2012

Application No.	Application Title	Issue Date
20120037054	Burner A burner for introducing solid particulate fuel to a burning zone of a kiln such as a rotary kiln for manufacturing cement clinker or similar material includes a centrally located duct for conducting solid fuel to an inlet opening and at least one duct for conducting pr...	02/16/2012
20110239915	Adjustable Diffusing Coal Valve An adjustable, diffusing coal valve for use in controlling flow of air and pulverized fuel to a burner is disclosed. An exemplary embodiment comprises a conduit section having an inner cross-sectional area and a diffusing damper plate mounted to said conduit section and...	10/06/2011
20110048293	NOZZLE FOR FEEDING COMBUSTION MEDIA INTO A FURNACE In a boiler furnace having nozzles for introducing combustion media such as air and coal, nozzle tip walls that have the greatest exposure to radiant heat and hot gases are provided with arrays of air holes that allow air to flow to the exposed sides of the walls from t...	03/03/2011
20100307391	PULVERIZED FUEL BURNER The invention provides a pulverized fuel burner including a nozzle body 6 open to a furnace 1 to inject pulverized fuel together with primary combustion air, flow passages for secondary combustion air formed coaxially around the nozzle body and shutters ar...	12/09/2010
20100275824	BIOMASS CENTER AIR JET BURNER A combustion apparatus capable of firing biomass fuel including a burner assembly which includes a biomass nozzle concentrically surrounded by a core air zone and extending axially along the length of the core air zone, the burner assembly residing within a windbox, the...	11/04/2010
20100251946	System, Apparatus and Method For Combustion of Metals and Other Fuels A system, apparatus and method for the combustion of metals and other fuels are provided. The system can include a fuel combustion apparatus including a combustor having a combustion chamber for burning ground particles from a fuel charge, and a fuel supply apparatus fo...	10/07/2010
20100192817	Burner nozzle for pulverized coal A coal nozzle for a burner on a pulverized coal fired furnace which includes an elongated tubular nozzle having an inlet for receiving a flowing stream of coal/air mixture and an outlet for discharging the flowing stream into a combustion zone of a furnace for combustio...	08/05/2010
20100180502	BURNER FOR HIGHLY CAKING COAL, AND GASIFIER In a burner for highly caking coal in which a solid fuel channel that is attached penetrating through a surrounding wall of a gasifier for gasifying a highly caking solid fuel that has been pulverized into particles and that supplies the solid fuel into the gasifier by ...	07/22/2010
20100154688	COAL ROPE DISTRIBUTOR WITH REPLACEABLE WEAR COMPONENTS A head assembly 52,152 for a pulverized coal nozzle includes a turning vane 54 or a curved vane 154 disposed within a pipe elbow. The vanes 54,154 are angled relative to the inlet port and the outlet port of the pipe elbow to redirect a strea...	06/24/2010
20100123027	BLADED COAL DIFFUSER AND COAL LINE BALANCING DEVICE A coal nozzle assembly for a pulverized coal burner includes a diffuser. A flow conditioner also may be used with the assembly. The assembly conditions the coal/air flow before the coal/air flow is introduced to the furnace. The flow conditioner directs the coal into th...	05/20/2010
20100107940	Oxyfuel Boiler System and Method of Controlling the Same The oxyfuel boiler system comprises: an oxygen generator; a coal mill; a burner to burn pulverized coal; an after-gas port to which oxygen generated at the oxygen generator is supplied; a boiler provided with the burner and the after-gas port on its wall; a flue introdu...	05/06/2010
20100064986	BURNER, AND COMBUSTION EQUIPMENT AND BOILER COMPRISING BURNER The present invention provides a solid fuel burner, which, while rendering the capacity larger than that in the conventional art, can suppress an increase in an unignited region and thus can realize the prevention of an increase in NOx concentration in a combustion gas ...	03/18/2010
20100058961	PULVERIZED COAL BURNER Slagging is prevented from occurring in a pulverized coal burner. A nozzle body 6, which is open to a furnace 1 and which injects pulverized coal together with primary air 14 transporting the coal to serve finally as co...	03/11/2010
20090274985	POWDERED FUEL CONVERSION SYSTEMS AND METHODS The burner preferably exclusively burns substantially explosible solid fuels and preferably has instant ON-OFF thermostat control, wastes no energy preheating the enclosure or external air supply, achieves stable combustion the moment the powder-air mix is ignited in ou...	11/05/2009
20090272303	Anti-roping Device for Pulverized Coal Burners An orifice plate for improving particle distribution within a coal piping system includes a plate body defining a central orifice therethrough bounded by an inner periphery of the plate body. The plate body is configured and adapted to be affixed between end flanges of ...	11/05/2009
20090205546	Densified fuel pellets A biomass-based fuel pellet, such as a fuel pellet which includes thermoplastic polymeric material and a substantial amount of cellulosic material, e.g. cellulosic material derived from biomass source(s), is provided. The fuel pellet commonly includes about 5 to 15 wt. ...	08/20/2009
20090126608	SYSTEM, APPARATUS AND METHOD FOR COMBUSTION OF METALS AND OTHER FUELS A system, apparatus and method for the combustion of metals and other fuels are provided. The system can include: a fuel combustion apparatus including a combustor having a combustion chamber for burning ground particles from a fuel charge, and a fuel supply apparatus f...	05/21/2009
20080282945	Pulverized coal combination burner Disclosed is a burner for oxidant gasification of pulverized fuels under high pressures of e.g. 80 bar (8 MPa) and temperatures of e.g. 1200 to 1900° C. in reactors with liquid slag removal for oxygen gasification, the individual pulverized fuel supply tubes in the bur...	11/20/2008
20080264310	Combustion Method and System A method of combustion for pulverized hydro-carbonaceous fuel includes the steps of injecting an oxidant/fuel stream into a burner, causing a low-pressure zone; directing a flow of a high-temperature combustion gas from a combustion chamber into the low-pressure zone in...	10/30/2008
20070281265	Large diameter mid-zone air separation cone for expanding IRZ A large diameter mid-zone air separation cone is provided for decreasing NOx during burner operation by expanding the internal recirculation zone (IRZ) at the burner exit. The mid-zone air separation cone has a short cylindrical leading edge that fits in the outer air z...	12/06/2007
20070234938	PULVERIZED SOLID FUEL NOZZLE ASSEMBLY A pulverized solid fuel nozzle assembly 34 includes a fuel feed pipe 38 and a nozzle tip 36 pivotally secured relative to the fuel feed pipe 38. The fuel feed pipe 38 includes a generally cylindrical shell 99 having a round outl...	10/11/2007
20060169181	Method and burner apparatus for injecting a pulverized coal into rotary kilns, method and apparatus for producing cao using them The invention relates to a method and burner for injecting pulverized coal into a rotary kiln that uses pulverized coal as fuel in order to produce quick lime of excellent hydration level. The invention calcines lime stone charged into the rotary kiln, and uses pulveriz...	08/03/2006
20050120927	Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion apparatus operation method Subject A solid fuel burner and its combustion method suited for encouraging fuel ignition and avoiding slugging caused by combustion ash, wherein a gas of low oxygen concentration (exhaust combustion gas) is used as a carrier gas of such a low grade solid fuel as brown...	06/09/2005
20050028712	Coal-burning boiler's ignition burner The present application disclosed an ignition and burning apparatus used in coal boiler, comprising one or more combustion-enhancing miniature oil guns and a pulverized coal burner, wherein the combustion-enhancing miniature oil gun comprises an atomizing nozzle, a cycl...	02/10/2005

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Class 110/261 - Powdered solid fuel