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Class 431/175 - Intersecting fuel streams


Subclass of Class 431 - Combustion
Definition: Apparatus wherein one fuel stream is discharged into the
No. of patents: 83
Last issue date: 08/07/2007


1      
NumberTitleIssue Date
7252503Wind-proof venturi tube
A venturi tube has a configuration of baffles affixed thereto that serve to greatly reduce the susceptibility of a gas burning appliance to wind gusts. The baffles cooperate to force incoming primary combustion air through a circuitous route before introduction into...
08/07/2007
7172412Pyrolysis heater
A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which includes staged combustion low NOx hearth burners firing upwardly in the firebox adjacent to the walls. Wall stabil...
02/06/2007
6951455Gas burner
A method and a system for implementing a burner for burning ignitable gas mixed with air for providing heat. Pressurized ignitable gas and forced air are conducted from inside a distribution chamber through minor and major channels running through a burner head of t...
10/04/2005
6938561Device for producing a rotating flow
A device for producing a rotating flow in a rectangular flow duct which has a flue-gas outlet of an incineration plant, in particular of a garbage incineration plant, and a transition region from a combustion chamber of the incineration plant to the flue-gas outlet....
09/06/2005
6926516Combustion method and burner
The present invention relates to a combustion method and a burner for forming a flame temperature having a flat temperature distribution which is the same as that in a case of a long furnace length even if a furnace length is short, and performs complete combustion....
08/09/2005
6905328Low NOx radiant wall burner
A low NOx burner nozzle assembly for a radiant wall burner includes an elongated hollow burner tube and a discharge nozzle. The burner tube defines a conduit for supplying a mixture of fuel and air to a radiant combustion area of a combustion zone that su...
06/14/2005
6796790High capacity/low NOx radiant wall burner
A burner assembly for a radiant burner includes a burner tube structure in the form of an elongated burner conduit having spaced inlet and outlet ends. The conduit is adapted and arranged for directing a fuel lean gaseous mixture comprising a portion of the total fl...
09/28/2004
6796794Combustor for waste gas treatment
A combustor for waste gas treatment having a flame stabilizing zone surrounded by a peripheral wall and closed with a bottom wall. The flame stabilizing zone is provided to face a combustion chamber. Burner ports for auxiliary combustible gas are provided in the per...
09/28/2004
6790031Fuel staging methods for low NOx tangential fired boiler operation
A tangential fired boiler has a circumferential wall defining a combustion zone and a plurality of fuel inlets disposed along the circumferential wall. The plurality of fuel inlets inject fuel at non-uniform rates in order to produce localized fuel rich, oxygen poor...
09/14/2004
6705855Low-NOx burner and combustion method of low-NOx burner
Provision of a low-NOx burner allowed to further reduce NOx only by structural design of the burner in comparison with prior art. The low-NOx burner comprises a main nozzle 13 for injecting a premixture formed by mixing fuel and an oxidizer, and a secondary f...
03/16/2004
6632082Lighter and method of use
A lighter is provided. The lighter includes two spaced apart nozzles. Upon manual actuation of the lighter, each nozzle produces a separate flame, and the flames intersect to produce a single flame in region spaced apart from the body of the lighter....
10/14/2003
6607376Low NOx radiant wall burner
A low NOx burner nozzle assembly for a radiant wall burner includes an elongated hollow burner tube and a discharge nozzle. The burner tube defines a conduit for supplying a mixture of fuel and air to a radiant combustion area of a combustion z...
08/19/2003
6568190Combustion chamber assembly
In a combustion chamber arrangement, especially an annular combustion chamber arrangement for a gas turbine, one or more burners has, at its mouth, a deflecting device by which a combustion chamber arrangement is deflected. This achieves the effect of aco...
05/27/2003
6455012Acid gas burner and reactor apparatus and method
An acid gas burner and reactor apparatus, and method when used in the Claus process, are improved over the prior art by the provision of a substantially continuous circular slot for the flow of a reactant gas from an annular conduit into the open outflow ...
09/24/2002
6435862Modulating fuel gas burner
A fuel gas burner is provided having a stable flame that undergoes complete combustion in a reduced length combustion region and chamber. The fuel gas burner operates over a wide modulation range with excellent stability and efficiency, and is suitable fo...
08/20/2002
6402505Combustion device
In a combustion unit, a fuel collision member is disposed between a fuel injection valve and a combustion chamber. The fuel collision member is positioned so that, a part of fuel injected from said fuel injection valve is introduced into the combustion ch...
06/11/2002
6397766Evaporative and regenerative waste water incineration system
There are provided an evaporative/regenerative incineration system for organic waste water for incinerating organic waste water and volatile organic compounds completely at low expenses and a method therefor. Waste gas is generated by evaporating waste wa...
06/04/2002
6331107Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams
A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...
12/18/2001
6082273Method for operating a corner burner for a tangential burner system and corner burner for performing the method
In a method for operating a corner burner of a tangential burner system, at least a first air stream of coal dust and primary air is tangentially introduced to a imaginary horizontal circle in the combustion chamber of the tangential burner system via a n...
07/04/2000
6074197Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams
A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...
06/13/2000
6068468Refractory block for use in a burner assembly
A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...
05/30/2000
6068469Combustion apparatus
An object of the present invention is to provide a combustion apparatus in which a space which does not contribute effectively to the combustion of fuel is less prone to be produced in a furnace because burners are not disposed at the corners of the furna...
05/30/2000
6062848Vibration-resistant low NOx burner
A low NOx burner includes a refractory lined plate with a refractory side facing a combustion chamber. A multiplicity of combustion air passages extend through the plate toward the combustion chamber. A multiplicity of spaced-apart primary fuel...
05/16/2000
5997283Electrolysis systems
A cell arrangement for the electrolysis of water to liberate hydrogen and oxygen gases is described. A cell unit (125) has a stacked arrangement of segmentation disks (114), a first type of (anode) cell plates (90), a second type of (cathode) cell plates ...
12/07/1999
5984667Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams
A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...
11/16/1999
5983643Burner arrangement with interference burners for preventing pressure pulsations
The invention relates to a main-burner arrangement of a combustion chamber (5), in particular for a gas turbine, at least two main-burner groups (13.1, 13.2), each comprising at least one burner (13) of the same size and geometry being provided for the pu...
11/16/1999
5975886Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams
A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...
11/02/1999
5944503Low NOx floor burner, and heating method
Heating fluid in a chamber comprising a floor or ceiling and an upwardly or downwardly extending heat receiving wall by positioning a vortex burner substantially at or above the chamber floor in proximity to the heat receiving wall, delivering fuel and ai...
08/31/1999
5846067Low-NOx burner
In combustion using air preheated by regenerative direct heat exchange between exhaust gas and the combustion air using a regenerator as a heat exchange medium, the present invention relates to a low-NOx burner that is effective for reduction in NOx in a ...
12/08/1998
5833447Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams
A burner assembly having improved flame length and shape control is presented, which includes in exemplary emodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plural...
11/10/1998
5791892Premix burner
In a premix burner for the combustion of gaseous and/or liquid fuel, in which the fuel is injected as secondary flow into a gaseous, ducted main flow, the premix duct (20) through which flow occurs being annular and being defined by an inner (21a) and an ...
08/11/1998
5662467Nozzle mixing line burner
A nozzle mixing line burner includes a line-burner combustion chamber and a nozzle body coupled to the chamber. The nozzle body includes a first channel having a first inlet receiving air, a second inlet receiving fuel, an air and fuel mixing chamber comm...
09/02/1997
5573395Premixing burner
A premixing burner comprises a pilot burner (101) operating on the double-cone principle and a plurality of main burners arranged around the pilot burner. A gaseous and/or liquid fuel is injected into the main burner (52), which has a circular duct (20), ...
11/12/1996
5516279Oxy-fuel burner system designed for alternate fuel usage
An oxy-fuel burner system for alternately or simultaneously burning gaseous and liquid fuels. A gaseous fuel jet emanating from an oxy-fuel burner is either undershot by an oxygen lance or is sandwiched between oxidant jets produced by two subsidiary oxid...
05/14/1996
5464344Low NOx air and fuel/air nozzle assembly
An apparatus and method are provided for reducing NOx production during combustion in an tangential burner. Air nozzles are arranged tangentially to a fuel/air nozzle and are tilted relative to the fuel air nozzle. Upon operation, spaces are fo...
11/07/1995
5458481Burner for combusting gas with low NOx production
A burner for combusting fuel gas and air in an enclosure includes a block member of non-combustible material, such as ceramic material, having a central opening therethrough. The block member has a plurality of spaced apart recirculation gas passageways p...
10/17/1995
5441403Method of low-NOx combustion and burner device for effecting same
A method of low-NOx combustion and a burner device for effecting the same, in which a primary fuel is injected in a direction from tile periphery of stream of a combustion air towards that same combustion air, effecting a first combustion, so as to create...
08/15/1995
5395416Regenerative glass melting furnace with reduced NOx emission
Regenerative glass melting furnace of the type having a batch section where glass is melted, a port neck where combustion air is introduced, and burners supplied by fuel inlet nozzles in the floor, the roof, and the lateral walls of the port neck....
03/07/1995
5310337Vibration-resistant low NOx burner
A low NOx burner includes a burner plate having a plurality of slots from which fuel gas jets and combustion air are discharged. A plurality of fuel tubes are aligned with the slots for discharging the fuel gas therethrough. The fuel tubes are ...
05/10/1994
5271729Inspirated staged combustion burner
A low NOx gaseous fuel burner that creates a wall hugging flame, even in a cup. It is comprised of two staged premix units, one unit, in a cup, running very lean and the second unit, extended into the furnace, running very rich, the combination being stoi...
12/21/1993
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