| Patents for F23L 9 - Passages or apertures for delivering secondary air for completing combustion of fuel (1,964) |
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| 08/10/1999 | US5934892 Process and apparatus for emissions reduction using partial oxidation of combustible material |
| 08/05/1999 | WO1999019561B1 A method for black liquor gasification in recovery boilers |
| 07/28/1999 | CN2330883Y Steam jetting secondary draught structure |
| 07/13/1999 | CA2173539C Method and apparatus for feeding air into a furnace |
| 06/30/1999 | CN2326859Y Secondary-wind adjustable-section nozzle of boiler spray-combustor |
| 06/24/1999 | WO1998055802A8 Method and device for removing ashes from a combustion chamber |
| 06/16/1999 | CN1219668A Controlled thermal oxidation process for organic wastes |
| 06/09/1999 | EP0921353A2 Controlled thermal oxidation process for organic waste |
| 05/14/1999 | WO1999023431A1 Fluidized bed gasification combustion furnace |
| 04/22/1999 | WO1999019561A1 A method for black liquor gasification in recovery boilers |
| 04/22/1999 | CA2306174A1 A method for black liquor gasification in recovery boilers |
| 04/08/1999 | WO1999017061A1 Stoker for burning solid fuel |
| 04/07/1999 | CN1213057A Methods of improving productivity of black liquor recovery boilers |
| 03/31/1999 | EP0905442A2 Combustion apparatus |
| 03/31/1999 | EP0905308A1 Methods of improving productivity of black liquor recovery boilers |
| 03/26/1999 | CA2248402A1 Methods of improving productivity of black liquor recovery boilers |
| 03/04/1999 | DE19737938A1 Method for burning fuel, particularly rubbish |
| 03/03/1999 | CN1042364C 固体燃料燃烧器 Solid fuel burners |
| 02/11/1999 | WO1999006765A1 Reburn process |
| 02/11/1999 | CA2298785A1 Reburn process |
| 01/21/1999 | WO1999002920A1 Fluidized bed reactor |
| 01/13/1999 | CN1204749A Fire-back method |
| 01/07/1999 | WO1999000627A1 Wind box for a chemical recovery furnace |
| 01/07/1999 | WO1999000626A1 Overfeed burner for solid fuel and method of its operation |
| 01/07/1999 | CA2295777A1 Wind box for a chemical recovery furnace |
| 01/07/1999 | CA2293779A1 Overfeed burner for solid fuel and method of its operation |
| 12/23/1998 | CN2301614Y Intermittent heating furnace |
| 12/16/1998 | CN2300809Y Gasifying combustion-aid structure for efficient energy-saving burner |
| 12/10/1998 | WO1998055802A1 Method and device for removing ashes from a combustion chamber |
| 12/10/1998 | DE19723298A1 Controlling mixing quality in refuse incinerator |
| 12/09/1998 | EP0882872A2 Pressurized internal circulating fluidized-bed boiler |
| 11/17/1998 | US5836257 Circulating fluidized bed furnace/reactor with an integral secondary air plenum |
| 10/28/1998 | EP0874196A2 Method and device for removing deposits from supply nozzles or conduits of combustion installations |
| 10/22/1998 | WO1998025074A3 Circulating fluidized bed furnace/reactor with an integral secondary air plenum |
| 10/21/1998 | EP0871839A1 Combustion furnace with a secondary-air feed, in particular an under-burning boiler |
| 10/21/1998 | CN2295126Y Secondary-wind distributing device of square tube cluster structure |
| 10/20/1998 | US5824275 Secondary and tertiary air nozzle for furnace apparatus |
| 10/08/1998 | WO1998043754A1 Combustion system and method reducing amount of combustibles in the exhaust gases |
| 09/23/1998 | EP0866266A2 Combustion device with two kinds of air intake |
| 09/22/1998 | US5809913 Corrosion protection for utility boiler side walls |
| 09/16/1998 | EP0668983B1 A furnace |
| 08/20/1998 | DE19705938A1 Method of injecting secondary and/or tertiary air with recirculating flue gases into a boiler |
| 08/13/1998 | WO1998035185A1 Method and arrangement for supplying air to a recovery boiler |
| 08/13/1998 | WO1998035183A1 Method and arrangement for supplying air to a fluidized bed boiler |
| 08/13/1998 | CA2278761A1 Method and arrangement for supplying air to a fluidized bed boiler |
| 08/13/1998 | CA2278760A1 Method and arrangement for supplying air to a recovery boiler |
| 07/15/1998 | CN1039154C Incinerator |
| 07/08/1998 | CN1186927A Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams |
| 06/30/1998 | US5771817 Recovery boiler |
| 06/11/1998 | WO1998025074A2 Circulating fluidized bed furnace/reactor with an integral secondary air plenum |
| 06/10/1998 | DE19646525C1 Vergaserheizkessel für feste Brennstoffe, insbesondere für Holz The gasification boiler for solid fuels, especially for wood |
| 05/26/1998 | US5755567 Low vortex spin vanes for burners and overfire air ports |
| 05/13/1998 | EP0841519A1 Process and installation for the treatment by combustion of waste, and for heat recovery |
| 05/07/1998 | WO1998019108A1 Heating boiler for solid fuels, specially timber |
| 05/05/1998 | US5746143 Combustion system for a coal-fired furnace having an air nozzle for discharging air along the inner surface of a furnace wall |
| 04/23/1998 | WO1998016779A1 Corrosion protection for utility boiler side walls |
| 04/23/1998 | DE19648639A1 Method of burning waste in furnace |
| 04/21/1998 | US5741130 Method and apparatus for minimizing disruption caused by depositions on a supply means for a combustion of gasification plant |
| 03/10/1998 | US5724895 Device for distribution of oxygen-containing gas in a furnace |
| 03/04/1998 | CN1174959A Auxiliary air nozzle for combustion furnace |
| 02/04/1998 | EP0822375A1 Nozzle for blowing secondary air in a combustion furnace |
| 02/03/1998 | US5713291 Rotated multi-cylinder air delivery port |
| 01/02/1998 | DE19625203A1 Wood pellet furnace air feed |
| 12/30/1997 | US5702244 Apparatus and method for reducing particulate emissions from combustion processes |
| 12/23/1997 | US5699746 Method and apparatus for feeding air into a furnace |
| 11/26/1997 | EP0809077A2 Firebox bottom |
| 11/26/1997 | CN1165936A Low vortex spin vanes for burners and overfire air ports |
| 11/19/1997 | CN1165268A Rotated multi-cylinder air delivery port |
| 10/28/1997 | US5680822 Solid fuel burner |
| 10/09/1997 | DE19613777A1 Combustion plant for grate firing with hard solid fuel or refuse |
| 10/03/1997 | CA2201578A1 Rotated multi-cylinder air delivery port |
| 10/01/1997 | EP0798511A2 Heating boiler and its method of operation |
| 09/30/1997 | CA2030823C Method and apparatus for reducing the nitric oxide concentration in the waste gas flow of combustion processes |
| 09/18/1997 | DE19620264C1 Combustion chamber base for solid-fuel operated fire |
| 09/02/1997 | US5662464 Multi-direction after-air ports for staged combustion systems |
| 08/21/1997 | CA2197945A1 Low vortex spin vanes for burners and overfire air ports |
| 07/10/1997 | WO1997024556A1 Combustion furnace with a secondary-air feed, in particular an under-burning boiler |
| 05/14/1997 | CN1149686A Air supply device for garbage burning pit |
| 04/30/1997 | CN1148681A Multi-direction after-air ports for staged combustion systems |
| 04/16/1997 | CN1147613A Black smoke-eliminating method for ovens |
| 03/12/1997 | EP0760922A1 Solid fuel burner |
| 03/12/1997 | CA2185078A1 Multi-direction after-air ports for staged combustion systems |
| 02/27/1997 | DE19633755A1 Pellet-fired solid fuel stove |
| 02/20/1997 | DE19531821A1 Boiler using solid fuel, especially wood |
| 01/22/1997 | EP0754907A2 A process for controlling the combustion in a boiler having a vibrating grate |
| 01/15/1997 | EP0660897B1 Method for the combustion of waste liquids |
| 12/31/1996 | US5588378 Combustion enhancement system with in-bed foils |
| 12/18/1996 | EP0642646B1 A method of minimizing disruption caused by depositions on a supply means for a combustion or gasification plant and such a supply means |
| 11/07/1996 | WO1996035081A1 Process and furnace for burning refuse |
| 11/06/1996 | EP0741267A1 Method and furnace for incinerating waste |
| 10/23/1996 | EP0738856A2 Method and device for the combustion of solid fuels |
| 10/15/1996 | US5564632 Secondary air nozzle and starting burner furnace apparatus |
| 10/08/1996 | CA2107024C Secondary air nozzle for furnaces |
| 09/11/1996 | EP0730718A1 A method and a feeding apparatus for controlling mixing conditions in a combustion or gasification plant |
| 08/22/1996 | DE19505753A1 Pollution-free liquid-fuel combustion system in boiler |
| 08/21/1996 | EP0727610A2 Boiler |
| 08/21/1996 | EP0554254B1 AN ADVANCED OVERFIRE AIR SYSTEM FOR NOx CONTROL |
| 07/02/1996 | US5531213 Solid or liquid fuel stove |
| 06/26/1996 | EP0630462B1 Combustion apparatus using solid or solid/liquid fuels |
| 06/04/1996 | US5522327 Balanced pressure solid fuel heating unit |