Abstract: The present invention relates to a dual venturi for a combustor and, more specifically, to a dual venturi for a combustor which can control, in two stages, the amount of gas and air supplied to a burner provided in a water heater, wherein a motor and a damper are combined in such a manner that the damper is rotated by the driving of the motor, and thus the damper simultaneously opens or closes the inlet for secondary air and gas, thereby efficiently controlling the quantity of heat.

Abstract: The present invention relates to a dual venturi for a combustion apparatus, and more particularly, to a dual venturi for a combustion apparatus that is capable of effectively controlling calorific power since the amount of gas for a burner provided in a water heater and the amount of supplied air are controlled in two phases, and a motor and a damper are coupled to each other so that the damper opens or blocks inlets for secondary air and the gas at the same time that the damper is rotated by the driving of the motor.

Abstract: Provided is a gas-air mixing device for a combustor which effectively controls the amount of gas and air supplied to a burner provided in a combustor, such as a boiler or a water heater, thus improving the turn-down ratio which leads to increased convenience for using hot water and heat and enhanced durability of the burner. The gas-air mixing device for a combustor comprises: a housing, connected on one side to a turbo fan; a discharge part disposed on one side of the housing and in contact with the turbo fan; first and second air supply parts, provided on the other side of the discharge part and separated by a first partition; first and second gas supply parts, separated by a second partition; and an opening/closing means for controlling the flow of gas and air by opening or blocking the second air supply part and the second gas supply part.

Abstract: A low NOx burner has a housing that includes a burner head defining a gas manifold and a primary flame zone downstream of the burner head. The burner has a gas inlet for receiving gas. Flow-through air vents are disposed around a center of the burner head and extending through the burner head thereby enabling cold core air to flow from an annular core space upstream of the burner head to the primary flame zone downstream of the burner head. The burner also includes a plurality of premix air vents in fluid communication with the manifold for premixing air and gas within the manifold and for emitting premixed air and gas into the primary flame zone. A plurality of staging pipes extend from the manifold into the primary flame zone for conveying gas into the primary flame zone. The burner includes an ignition device extending into the primary flame zone.

Abstract: A burner assembly for a fireplace, comprising a fuel-metering plate, a fuel-delivery plenum and a dividing plate. The fuel metering plate has tines that form a combed structure in an uppermost portion of the fuel-metering plate, the combed structure extending along a long dimension of the fuel-metering plate. The fuel-delivery plenum has a fuel chamber and the fuel-delivery plenum being coupled to the fuel-metering plate such that the fuel chamber extends along the long dimension of the fuel metering plate. The dividing plate is located between the fuel-metering plate and the fuel-delivery plenum. The dividing plate has a slotted opening that extends along the long dimension of the fuel metering plate, the slotted opening being in fluid communication with individual channels between the tines and with the fuel chamber.

Abstract: A gas burner (10) comprising a bowl-shaped base body (12), a burner crown (14) arranged on the base body (12) and an upper cap (16) arranged on the burner crown (14), wherein a plurality of flame ports (34) is provided to let out a gas-air mixture towards to a recipient (36) to be heated, wherein the flame ports (34) are formed in such a manner that the gas-air mixture leaves the flame ports (34) in an essentially vertical direction.

Abstract: A tubular burner has: a mixing tube inclusive of an inlet port, a venturi section, and a tapered tube section; and a flame hole member having a plurality of flame holes and being adapted to be fitted into a front end region of the mixing tube. A flame hole member has a front plate and a rear plate, both of sheet metal make. The front plate has a first flame hole in the central portion of the front plate, and a plurality of second flame holes located around a periphery of the first flame hole. The rear plate has a first ventilation hole in the center thereof so as to lie opposite to the first flame hole, and a plurality of second ventilation holes of smaller diameter than the first ventilation hole.

Abstract: The present invention relates to a top burner and a cooker including the top burner. The present invention includes: an outer burner installed on a top surface of a top plate, and provided with a plurality of flame holes to form flames through combusting gas mixture at a perimeter thereof; an inner burner installed on a top surface of the outer burner, and provided with a plurality of flame holes to form flames through combusting gas mixture at a perimeter thereof disposed inward to the perimeter of the outer burner; a plurality of first mixing tubes supplying gas mixture mixed with air inside the outer burner; a second mixing tube supplying gas mixture mixed with air inside the inner burner; and a passage formed through the outer tube, and in which air supplied to combust gas mixture at the flame holes of the inner burner flows. Thus, according to the present invention, the advantages of heating food more efficiently while reducing incomplete combustion of gas mixture can be realized.

Abstract: A thermal conductive heating and desorption system is disclosed, which provides superior results to other systems for the removal of pollutants from soil, groundwater and other affected medias using a novel enhanced gas fired recuperative heater and oxidation system. Pollutants in the affected, heated media are partially destroyed by hydrolysis, pyrolysis and/or oxidation processes. Remaining pollutants are extracted from the affected media, and pollutant off gas is then introduced into the heater system where it is both thermally and catalytically oxidized. Heat from combusted fuel and pollutant off gas in the heater system is used to preheat incoming combustion air through a recuperative heat exchanger, enabling significant reductions in fuel usage by the heater system. Combusted fuel and off gas discharged from the heater system may be further treated to achieve specified discharge standards.

Abstract: Apparatus includes a first and second conduits configured to form an annulus between them. An adjustable structure includes a body having an upper surface, a lower surface, and a circumferential surface abutting a portion of the internal surface of the second conduit. The structure is adjustable axially in relation to and removably attached to the first conduit via a hub. The hub defines a central passage for fuel or oxidant. The body has one or more non-central through passages configured such that flow of an oxidant or fuel therethrough causes the fuel or oxidant to intersect flow of fuel or oxidant exiting from the central passage in a region above the upper surface of the body.

Abstract: A submerged burner for a glass- or rock-melting furnace, including a plurality of in-line injectors, each injector including a cylinder-shaped mixing chamber, with an ejection orifice, a fuel-supply duct and an oxidant-supply duct opening into the mixing chamber at the cylinder jacket in a direction causing a tangential flow of the fuel and of the oxidant relative to the cylinder jacket, and a duct system making it possible for a coolant to flow inside the burner, and, preferably on either side of the alignment of injectors, placed parallel to and all along the latter, solid metal sides rising from the injectors, and protective partitions situated on the top of the solid metal sides.

Abstract: A system having a pre-mix burner manifold in a housing that may permit air to be drawn through slots in the housing to flow over an external surface of the manifold. The flow of air may maintain a temperature of the manifold lower than a temperature that the manifold might have without the flow. The manifold may be attached to a burner and heat exchanger.

Abstract: A burner has a fuel/oxidant nozzles and a pair of dynamical lances spaced on either side thereof that inject a jet of fuel and primary oxidant along a fuel injection axis, and jets of secondary oxidant, respectively. Jets of actuating fluid impinge against the jets of secondary oxidant to fluidically angle the jets of secondary oxidant away from the fuel injection axis. The action of the angling away together with staging of the oxidant between primary and secondary oxidant injections allows achievement of distributed combustion conditions.

Abstract: An oil-fired burner (30A) for warming, disposed adjacent to the outer periphery of a pulverized coal burner which inputs pulverized coal and air into a furnace, includes: an oil gun (32) for inputting an oil fuel disposed at the center of an outlet opening of a nozzle main body (31) substantially rectangular in cross-section; and a secondary air input port (40) disposed so as to surround the outer periphery of the oil gun (32), wherein the secondary air input port (40) is constituted of: a central arc section (41) substantially similar in shape to a circular diffuser (34) mounted on the leading end side of the oil gun (32); and rectangular sections (42L, 42R) provided continuously from both sides of the central arc section (41) and narrowed in face-to-face dimension in the direction of the adjacent pulverized coal burners so as to increase the distance from them.

Abstract: A burner box includes a housing, a fuel tube and a porous heat dissipating surface. The housing is bounded by a sidewall and has a top and an opposite bottom that are each open so that the sidewall defines an open passage that allows unimpeded vertical airflow. The fuel tube extends into the passage and defines a plurality of spaced apart orifices that distribute fuel into the open passage. The fuel tube is at a distance from the top of the housing so that substantially all of the fuel is entrained by the combustion air before the fuel reaches the top. The heat dissipating surface is disposed across the top of the housing and supports a flame. The heat dissipating surface includes enough open area so that the fuel/air mixture passes through the porous heat dissipating surface unimpeded. The heat dissipating surface dissipates heat from the flame and prevents flashback.

Abstract: A gas powered heater (1) for use in a chafing trolley comprises a support element (10) defining a hollow interior region (12) for a disposable fuel gas canister (3), which is coupled to the support element (10) by a coupling element (15). Fuel gas from the fuel gas canister (3) is delivered through a pipe (42) to a fuel gas controller (17) and in turn to a fuel gas burner element (18). A lever (36) operates a control valve (45) in the fuel gas controller (17) for controlling the supply of fuel gas to the burner (18). The fuel gas controller is mounted on a mounting platform (28) and extends downwardly into the hollow interior region (12) of the support element (10) and is located offset to one side and spaced apart from the fuel gas canister (3).

Abstract: The present invention provides a cooking gas burner assembly including a distributor (30), a gas manifold (50) and a cup (40), the cup (40) being located between the gas manifold (50) and the distributor (30). The gas manifold is spaced from the cup. The invention provides a burner assembly having at least a cap (220) and a distributor (30) on which the cap (220) is mounted, the distributor (30) including an internal and an external crown of flame ports, and at least one cross lighting passage (37) there between. The cap (220) includes an aperture (222) there through, which is adapted to be positioned over the cross lighting passage (37) when the cap (220) and distributor (30) are assembled.

Abstract: Adjustable gas grill burners are disclosed. Methods of making and using adjustable gas grill burners are also disclosed.

Abstract: A dryer burner apparatus includes a gas supply line that is fluidly coupled to a gas supply. A burner tube is fluidly coupled the gas supply line and has a top side and a bottom side. The burner tube has a plurality of apertures extending therethrough and the apertures are positioned in the bottom side. An air mixer is positioned below the burner tube. The air mixer has a plurality of air openings extending therethrough. A blower directs air upwardly to the burner tube so that the air can be heated by the burner tube.

Abstract: A combustion device has tubular burners with mixing tubes made by joining together two plate members which have formed therein half-split mixing tubes at a distance from one another and which, when joined together, form a clearance serving as a carryover flame hole to communicate a mixing tube with an adjoining mixing tube. An intermediate flame hole portion is formed by recessing backward the front end of the carryover flame hole. A cover portion is formed in each of the two plate members so as to lie opposite to each other with a recessed space lying therebetween. The recessed space is defined as a space that is generated between the intermediate flame hole portion and a line that is drawn in front of the intermediate flame hole portion along the same longitudinal direction as the front end, except for the part of the intermediate flame hole portion.

Abstract: An gas burner assembly for a cooking appliance includes a main burner assembly, a simmer burner assembly positioned in a stacked relationship with and located below the main burner assembly, a venturi assembly for delivering a gas flow to the main burner assembly, a gas boost pump configured to control a pressurization of the gas flow, a gas valve assembly for controlling a rate of the gas flow, and an encoder coupled to the gas valve assembly, the encoder configured to track a position of the gas valve assembly and provide a signal to the gas boost pump for pressurization of the gas flow.

Abstract: The invention relates to an energy-saving fuel gas system, which provides a two coexisted mechanisms comprising a premixing mode of a premixing module and a diffuse-blend mode of a diffuse-blend module. A suitable fuel, which is produced by the mixing reaction of fuel molecule and oxidative molecule to be completed by a helical or scroll type premixing module, is guided to flow into the diffuse-blend module via a fairing hood for a secondary scroll air-mixing treatment and then is performed with a combustion chemical reaction by the flames on the fire board. The combustion reaction temperature of the suitable fuel is effectively increased by the heat accumulation effect of the fire board to heat up and expand the subsequent suitable fuel, thereby thinning flammable molecule to have a maximum air-fuel ratio and breaking down minute quantity of water molecule in air into supplemental fuel and combustion assistant to attain an optimum energy-saving efficiency.

Abstract: A selector valve and shutter mechanism for use with a gas burner unit is disclosed. The valve includes a pilot gas manifold which is in communication with two pilot flames and associated ODS for two different kinds of gas fuel. The shutter mechanism opens or closes an opening to a burner mixing chamber to thereby adjust the flow of air into the mixing chamber depending on the fuel selected, and preferably is in the form of a sleeve that in one approach is rotatably mounted on a part of the burner mixing chamber, with a part of the sleeve covering the mixing chamber opening in one orientation and opening it to airflow in another orientation. A first gear is mounted on the sleeve which is engageable with a second gear mounted on part of the valve which is rotatable to one position or another depending on the gas fuel selected, the sleeve thereby adjusting the airflow to the mixing chamber in response to the valve position. In another approach, the cover moves linearly along the burner tube between orientations.

Abstract: A barbecue grill and a burner assembly are disclosed, the burner assembly having a venturi tube for conveying gas to the burner, a burner tube having front and back manifolds, with the venturi tube connected to the front and back manifolds and having flow restrictors at the connection interface to at least partially inhibit entry of gas into the front manifold.

Abstract: Disclosed is a burner device that includes a partition member which air-permeably partitions an ignition region for igniting a mixture gas and a flame retaining region for maintaining the combustion of the mixture gas, and also adjusts the flow speed of the mixture gas supplied from the ignition region to the flame retaining region, the partition member including a protrusion portion that protrudes into an oxidant flow passage and stops a part of the oxidant flowing through the oxidant flow passage to guide the oxidant into a take-in passage region.

Abstract: A method for regulating a temperature of a combustion medium in a mixing zone of a burner and a method for regulating a burner, in particular an oil burner, a burner performance being modulated. A heating system including a burner, which includes a regulating device, and a regulating device for a burner, in particular an oil burner. The method/system is intended to provide as constant a temperature as possible in the mixing zone during the different operating modes and with changed burner performance. The combustion air flows through a first supply tract in a first operating mode and in adjustable proportions through the first and/or a second supply tract in a second operating mode, and the combustion air is supplied with heat via a heating element, which may be switched on and off, in the first supply tract, and with heat from a combustion zone in the second supply tract.

Abstract: A totally aerated combustion burner having a combustion plate with a multiplicity of flame holes includes a distribution chamber, a mixing chamber, and an air supply chamber. The mixing chamber has a front surface with a plurality of nozzle holes disposed in parallel with, and at a lateral distance from, one another so that a fuel gas to be ejected from the nozzle holes and the primary air from the air supply chamber get mixed in the mixing chamber. A wall plate is disposed upright on a bottom surface of the mixing chamber in a manner to lie opposite to the front surface of the mixing chamber while leaving a ventilation clearance to the front surface. An air inlet is formed in such a portion at the bottom surface of the mixing chamber as to face the ventilation clearance.

Abstract: A burner assembly is provided. The burner assembly includes a burner pot, a combustion mat, a pot cover, and a burner frame. The burner pot receives gas and air. A mixed gas of the gas and air supplied into the burner pot is burned in the combustion. The pot cover is disposed between the burner pot and the combustion mat to support the combustion mat. The burner frame guides combustion gas generated due to the combustion of the mixed gas in the combustion mat.

Abstract: A new design for a low swirl burner is disclosed in which natural draft rather than a motorized pump is used to move a fuel-air mixture through the burner. This new design enables the burn off of gas at refineries in an environment where electric motors cannot be used because of the potential for sparks, which could trigger explosions. Additional modifications to the burner, including the introduction of flue gas to the burner allows for the reduction of NOx gas to meet current emission control targets, without the need for further post combustion emission control systems.

Abstract: A burner and ignition assembly, and method include a burner unit, an air intake, and a fuel supply supplying gas and including an air intake. The amount of air entering the air intake can be controlled by momentarily adjusting a choke that is movable relative to the air intake to cover a portion of an opening of the air intake to reduce an amount of air entering the air intake when a cold start condition exists.

Abstract: A burner arrangement is disclosed with a conical swirler in the form of a double cone which is arranged concentric to a burner axis and which encloses a swirl chamber, and with a central fuel lance which lies in the burner axis and projects from the cone point of the swirler into the swirl chamber, wherein a first stage is provided for injecting premix fuel, in which the premix fuel is injected radially outwards into the swirl chamber through injection openings which are arranged on the fuel lance, and wherein a second stage is provided for injecting premix fuel, in which the premix fuel is injected into an air flow, which is guided in the double cone, through injection openings in the double cone. With such a burner arrangement, the gas pressure which is required in the first stage is reduced by the entire premix fuel being injected into the swirl chamber in the first stage through two oppositely-disposed injection openings with increased opening diameter.

Abstract: A gas burner for a cooking appliance includes a frustoconically-shaped crown having a plurality of gas ports defined therein, a cover positioned above the crown, and a shell secured to the cover and positioned on the crown. The shell defines a hollow chamber positioned between the crown and the cover.

Abstract: A fuel burner includes an outer tube that extends along a central axis and has an outer surface and an inner surface defining a passage. An inner tube positioned within the passage of the outer tube has an outer surface and an inner surface defining a central passage. A fluid passage is defined between the outer surface of the inner tube and the inner surface of the outer tube.

Abstract: A burner and a cooker including the burner are provided. The burner includes a burner port, an ignition unit configured to ignite a mixture gas in the burner port, a combustion member located between the burner port and the ignition unit, a plurality of combustion compartments defined by portions of the burner port and the combustion member to allow combustion of the mixture gas in the combustion compartments, and an ignition compartment defined by the remaining portions of the burner port and the combustion member to allow ignition of the mixture gas supplied from the combustion compartments, whereby a flame generated by igniting the mixture gas in the ignition compartment is propagated to the combustion compartments. The cooker includes a cooking cavity, the burner, mixing tubes for the mixture of gas, and a door closing the cooking cavity.

Abstract: A dual fuel heating system can be used in a gas appliance. The system can have an air shutter to regulate an amount of air that can mix with the fuel for combustion. The air shutter can be configured to have different positions depending on the type of fuel to be used.

Abstract: A gas burner assembly is provided for a cooking appliance including a cooktop surface. The gas burner assembly comprises an outer gas burner comprising an outer burner body, the outer gas burner configured to provide an outer cooking flame; and an inner gas burner comprising an inner burner body, the inner gas burner configured to provide an inner cooking flame, wherein secondary air supplied to the inner gas burner flows through one or more openings through the cooktop surface, wherein one or more channels direct spills beneath the outer gas burner onto the cooktop surface.

Abstract: A burner assembly for a fuel-fired heating furnace. The assembly comprises a burner body having an inlet opening to receive fuel delivered by a fuel control module, and, to receive an ambient source of primary air there-through. The furnace also comprises one or more burner heads connected to a common outlet opening of the burner body to receive a mixture of the fuel and the primary air.

Abstract: A gas burner with a plurality of concentric flame crowns including a burner body, a first central burner, and a second outer annular burner surrounding the first central burner, where the first central burner includes a first diffusion chamber and a first gas injector configured to inject a gas flow into a first Venturi pipe which is configured to convey the gas flow to the first diffusion chamber, and where the second outer annular burner includes two separate outer diffusion chambers and two distinct outer injectors each of which is configured to inject a gas flow into one of two outer Venturi pipes which are configured to convey the gas flows to the two separate outer diffusion chambers, and where the first gas injector, the first Venturi pipe, and the two outer Venturi pipes are substantially horizontally oriented.

Abstract: A vented combustion chamber for an insect attractant engine is provided for a flying insect trapping device of the type that relies upon combustion of a fuel to generate a flow of carbon dioxide to attract flying insects. The combustion chamber, which is generally tubular and horizontally oriented in operation, is vented through a hole formed in one side of the chamber wall that extends from the outer surface of the chamber into the interior thereof. During operation of the device, this through-hole allows gas inside the chamber to be vented to the outside, changing the effective length of the combustion chamber for the purposes of wave generation is changed so that creation of a resonance cycle or standing wave, and the resulting acoustic phenomenon of howling, is prevented.

Abstract: The invention relates to a device for providing a gas/combustion air mixture for a gas burner, comprising a fan (11) for providing a combustion air flow, a gas control device for providing a gas flow and a mixing device (13) for mixing the combustion air flow and the gas flow, thus providing the gas/combustion air mixture. Said mixing device (13) and the fan (11) are connected together on one side, and on the other side, the mixing device and the gas control device are connected together. According to the invention, the mixing device (13) and the fan (11) are connected together in such a manner that a vibration absorber (15) is arranged between a connecting section (12) of the mixing device (13) and a connecting section (10) of the fan (11).

Abstract: The present invention relates to the field of burners, particularly in burners intended for household use, such as stoves.

Abstract: The invention relates to a burner module having a body that is either sintered or photo-cured, and to methods of making such a burner module. The body (110) of the burner (100) is formed from one of a sintered metal, a sintered alloy, a laminated glass ceramic, and a photo-cured polymer. 1 Sintering and photo-curing may be accomplished by irradiating the body with localized heating using a focused energy source, such as a laser. The burner module is resistant to thermal shock and provides a distributed, even stream of a precursor or precursors to be reacted in a flame of the burner module to form soot, which is to deposited on a receptor surface, and may be used for vapor and liquid precursor delivery systems. A soot deposition system having an array of such burner modules and methods of making a fused silica article by depositing soot using the burner modules are also described.

Abstract: This invention relates to the production of synthesis gas by partial oxidation of liquid or gaseous, carbonaceous fuel in the presence of an oxygen-containing oxidant, wherein the fuel, the oxidant and a moderator are separately supplied to a burner and wherein the fuel and the moderator are mixed in a mixing chamber of the burner, before they are brought in contact with the oxidant. To reduce the load of the burner in particular during operation with transient conditions, the oxidant is centrally introduced through an outlet opening of the burner into a combustion chamber and the mixture of fuel and moderator is introduced through the outlet opening into the combustion chamber concentrically around the oxidant.

Abstract: The present invention is a burner apparatus (S1, S2, S3, S4) that combusts air-fuel mixture (Y) of an oxidizing agent and fuel. This burner apparatus (S1, S2, S3, S4) includes a partitioning component (8) that separates an ignition chamber (R2) where the air-fuel mixture (Y) is ignited and a combustion holding chamber (R3) where the combustion of the air-fuel mixture (Y) is maintained such that the air-fuel mixture (Y) is able to pass between them, wherein the partitioning component (8) adjusts the flow rate of the air-fuel mixture (Y) that is supplied from the ignition chamber (R2) to the combustion holding chamber (R3).

Abstract: Combustor. The combustor includes an axially symmetric tube along with means for introducing fuel and air into the tube. A swirler is disposed within the tube to impart rotation in a first direction to the air/fuel mixture. A plurality of holes downstream of the swirler are disposed around the tube and offset at an angle relative to an inward normal to the tube wall. Air is injected through the offset holes to impart rotation to the air/fuel mixture in a second direction opposite to the first direction. A combustion chamber having a diameter larger than that of the tube receives and burns the air/fuel mixture from the tube.

Abstract: Apparatus and method for creating a vapor flame in a burner having an adjustable BTU output using a liquid diesel fuel and air mixture. A burner tube within which the fuel air mixture initially combusts to form a flame is heated from its outside circumference by a combustion flame within a counterflow chamber surrounding the burner tube. The temperature of the burner tube is maintained at a value where the fuel air mixture within the burner tube turns into vapor with a lack of combustion air which vapor fuels the flame within the counterflow chamber and which vapor also travels to a burner head where it combusts. The combustion air and compressor air are varied following establishment of the vapor flame to increase and decrease the heat output from the burner.

Abstract: A gas burner with a burner lower part with a lower gas distribution chamber which is open at the top and a radial secondary air passage to supply secondary air to an inner region of the gas burner, and a burner upper part positioned loosely on the burner lower part and partially closing off the lower gas distribution chamber, and which includes a burner ring, in which an annular upper gas distribution chamber is configured, and which has a gas throughflow opening corresponding to the lower gas distribution chamber and connecting the lower gas distribution chamber to the upper gas distribution chamber.

Abstract: A flame tube for a liquid fuel burner is disclosed. The liquid fuel burner includes a fuel atomizer directing atomized fuel into the flame tube and an igniter disposed within the flame tube to ignite the atomized fuel. The flame tube comprises an outer wall and an inner wall disposed about the outer wall to define an air passage therebetween. At a discharge end of the flame tube, the outer and inner walls are conjoined to form an annular surface, the annular surface being perforated. Preferably, the annular surface is perforated in an evenly distributed pattern.

Abstract: A burner (1) for burning a gaseous oxidant with a gaseous fuel, with a combustion chamber (2), in which the combustion reaction takes place during the operation of the burner (2), has a wall structure (4) which defines the combustion chamber (2) on the inlet side and which has oxidant openings (5) for introducing the oxidant into the combustion chamber (2) and fuel openings (6), which are separate therefrom, for introducing the fuel into the combustion chamber (2). The wall structure (4) has an oxidant distributor space (7), which is fluidically connected with the oxidant openings (5) on the outlet side and is fluidically connected with at least one oxidant feed opening (9) on the inlet side, as well as contains a fuel distributor space (8), which is fluidically separated from the oxidant distributor space (7) and is fluidically connected on the outlet side with the fuel openings (6) and is fluidically connected with at least one fuel feed opening (10) on the inlet side.

Abstract: An ignition system for a multi-burner heat exchanger assembly, a furnace, and a method using same are disclosed. The assembly may include a plurality of adjacent heat exchanger tubes, with a burner associated with each tube. All the burners may be lit with a single igniter and no source of secondary air. To do so, each of the burners may be provided so as to generate a swirling exit flow of combustion gases. One or more carryover tubes may also be connected between adjacent pairs of heat exchanger tubes or adjacent pairs of burners. The swirling flow generated by the burners causes hot combustion gases to move through the carryover tubes to thus carry the flame from one burner to the next. Not only can a single igniter be used, but a single flame sensor as well, while at the same time reducing nitrogen oxide emissions.