Patents
Patents for F23C 9 - Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (2,489)
05/1994
05/31/1994US5316469 Nitrogen oxide control using internally recirculated flue gas
05/25/1994EP0598691A1 A heating boiler with flue-gas recirculation and a combustion chamber unit for such boilers
05/21/1994CA2103479A1 Low nox combustor
05/19/1994DE4238529A1 Burner for hot gas prodn. - has burner tube with heat feed reducing component between flame and support tubes, component connecting fuel jet direction to diaphragm and having insulation ring
05/18/1994CN1086886A 燃烧器 Burner
05/10/1994US5310337 Vibration-resistant low NOx burner
05/04/1994EP0266377B2 Heating device with reheater
04/1994
04/28/1994WO1994009316A1 METHOD OF BURNING GAS IN A STAGED AIR, RECIRCULATING FLUE GAS LOW NOx BURNER
04/28/1994WO1994009315A1 STAGED AIR, RECIRCULATING FLUE GAS LOW NOx BURNER
04/05/1994US5299930 Low nox burner
03/1994
03/24/1994DE4231070A1 Central heating boiler with flame cooling by flue gases - has cooling path between combustion chamber and end of burner mixing tube
03/22/1994US5295816 Into a combustion zone
03/08/1994US5292244 Premixed fuel/air burner
03/03/1994DE4327088A1 Industrial burner with combustion chamber - has blower with integrated mixer for combustion air and fuel.
02/1994
02/10/1994DE4225557A1 Secondary combustion chamber for burner - is concentrically mounted inside primary chamber and recirculation takes place in annular space
02/08/1994US5284438 Multiple purpose burner process and apparatus
02/03/1994DE4319775A1 Oil burner with toroidal gas flow
02/01/1994US5282430 Method of controlling opacity of off-gases from a combustion process
01/1994
01/19/1994EP0435966B1 Process for salvaging waste and device for preparing said waste
01/04/1994US5275554 Combustion system with low NOx adapter assembly
01/04/1994US5275552 Low NOx gas burner apparatus and methods
12/1993
12/14/1993US5269679 Staged air, recirculating flue gas low NOx burner
12/14/1993US5269678 Methods and apparatus for burning fuel with low NOx formation
12/09/1993DE4218754A1 Method of providing low pollution combustion of gaseous or aerosol fuel - involves supplying fuel and combustion air to suction side of driven, bladed impeller
12/01/1993EP0571496A1 Method of burning a particulate fuel and use of the method for burning sludge.
11/1993
11/25/1993WO1993023704A1 Burner
11/23/1993US5263849 High velocity burner, system and method
11/18/1993DE4215763A1 Brenner Burner
11/09/1993US5259342 Method and apparatus for low NOX combustion of gaseous fuels
11/04/1993DE4214693A1 Gas heating boiler with injector type gas burner - has second has distribution tube with nozzle between first gas distribution tube and burner tubes.
10/1993
10/13/1993EP0565196A2 Premixed/high-velocity fuel jet low NOx burner
10/12/1993US5252059 Process for the low-emission combustion of fuel, and burner for use in said process
10/12/1993US5252058 Method and apparatus for recirculating flue gas in a pulse combustor
09/1993
09/30/1993WO1993019325A1 Nitrogen oxide-poor burner
09/30/1993DE4210068A1 Fluid bed reactor for coal-burning has return pipe for particles and gas - with additional gases introduced via jets close to return pipe outlet to coal combustion chamber
09/29/1993EP0562795A2 Low NOx gas burner apparatus and method
09/29/1993EP0562710A2 Low NOx formation burner apparatus and methods
09/23/1993DE4209221A1 Stickoxidarmer brenner Low nitrogen oxide burners
09/23/1993DE4208849A1 Oil blower burner assembly - has burner tube issuing into combustion chamber of boiler for feed of combustion air with nozzle blast connection
09/01/1993EP0558455A1 Burner, particularly oil burner or combined oil/gas-burner
08/1993
08/31/1993US5240409 Premixed fuel/air burners
08/29/1993CA2090163A1 Clean burning burner, particularly for combustion of gasified liquid fuel, such as fuel oil, or of gas
08/26/1993DE4205316A1 Dual counterflow boiler for infinitely smooth heating system - has two internal counterflow circuits in parallel in the same direction and burns two circuit exhaust circulations
08/25/1993EP0550700A4 Combustion system for reduction of nitrogen oxides
08/24/1993US5238395 Low nox gas burner apparatus and methods
08/12/1993DE4203713A1 Power station operating system - uses fuel requiring drying extracts, involving drying exhaust=gas current after convection flue and delivers to fuel mill
07/1993
07/14/1993EP0550700A1 Combustion system for reduction of nitrogen oxides
07/07/1993CN2137756Y Fluidised-bed boiler with reburning and desulfurizing functions
07/06/1993US5224852 Waste gas burner
06/1993
06/24/1993WO1993012383A1 Method and apparatus for enhanced suppression of the multiple pollutants produced by a combusted fuel
06/23/1993EP0547540A1 Boiler with flue gas recycling circuit
06/23/1993CN1073507A Desulfurizing combustion of powdered coal for boiler
06/22/1993US5220888 Cyclonic combustion
06/09/1993EP0545114A1 Method of generating process heat
06/09/1993CN1072999A Method and equipment to generate heat used in process
06/08/1993US5216885 Combustor for burning a premixed gas
06/06/1993CA2083248A1 Method of generating process heat
05/1993
05/12/1993EP0541105A2 Recirculation and plug flow combustion method
05/11/1993US5209656 Combustion system for high velocity gas injection
05/11/1993US5209187 Low pollutant - emission, high efficiency cyclonic burner for firetube boilers and heaters
05/04/1993US5207164 Process to limit the production of flyash by dry bottom boilers
05/04/1993CA1317211C2 Method and apparatus for suppressing nox formation in regenerative burners
04/1993
04/28/1993EP0538761A2 Burner for the combustion of fluid fuels
04/13/1993US5201650 Premixed/high-velocity fuel jet low no burner
03/1993
03/23/1993US5195884 Low NOx formation burner apparatus and methods
03/23/1993US5195883 Flue gas recirculation system with fresh air purge for burners
03/18/1993WO1993005340A1 Method and device in the cooling of the circulating material in a fluidized-bed boiler
03/18/1993CA2115434A1 Method and device in the cooling of the circulating material in a fluidized-bed boiler
03/03/1993EP0529667A2 Method of high velocity gas injection
02/1993
02/17/1993EP0527565A2 Waste gas burner
02/16/1993US5186617 Recirculation and plug flow combustion method
02/03/1993EP0525734A2 Cyclonic combustion
01/1993
01/19/1993US5180300 Low NOx regenerative burner
12/1992
12/30/1992EP0520951A2 Method and apparatus for recirculating flue gas in a pulse combuster
12/22/1992US5172644 Slagging combustion system and lignite-derived activated coke system
12/10/1992DE4118261A1 Liquid fuel burner with fan - has returned gas outlets between slots in air turbulence disc
12/02/1992EP0515365A1 Burner with fuel gas recycling for free-flowing fuels
11/1992
11/26/1992WO1992020964A1 Method of burning fuel to produce low pollutant emissions
11/04/1992EP0511878A2 Low NOx burner assemblies
11/03/1992US5159886 Process of combusting coal in a circulating fluidized bed
10/1992
10/28/1992EP0510783A2 Device for the combustion of fluid or gaseous fuels
10/15/1992DE4111915A1 Heating boiling using liquid or gaseous fuels - has burner flame to be with outlet profile constricted by flow temp.-off edged
10/14/1992EP0507995A2 Segregated zoning combustion
10/13/1992US5154599 Method for apparatus for combusting fuel in a combustion chamber
10/13/1992US5154596 Methods and apparatus for burning fuel with low NOx formation
10/13/1992US5154128 Process for salvaging waste and device for preparing said waste
10/01/1992WO1992016793A1 Low nox emission burner
10/01/1992WO1992016688A1 Method of firing black liquor in recovery boilers and a recovery boiler for firing black liquor
09/1992
09/15/1992US5147200 Method of operating a firing installation
09/08/1992US5145359 Burner for thermic generators
09/08/1992US5145354 Method and apparatus for recirculating flue gas in a pulse combustor
09/03/1992WO1992014969A1 Method of burning a particulate fuel and use of the method for burning sludge
09/02/1992EP0501944A2 Method and device for combustion of lump biogenic fuels
08/1992
08/26/1992CN1018017B Fluidized bed combustion apparatus with graded circulation
08/25/1992US5140916 Staged combustion of fuel or sludge to reduce nitrous oxide emission
08/19/1992EP0499184A2 Combustion method for simultaneous control of nitrogen oxides and products of incomplete combustion
08/12/1992CN1017826B Fluidized bed reactor having integrated recycle heat exchanger
08/05/1992EP0497418A1 Combustion method for coal in a circulating fluidised bed
08/04/1992US5135387 Nitrogen oxide control using internally recirculated flue gas
07/1992
07/14/1992US5129818 Method of feeding back exhaust gases in oil and gas burners
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25