Abstract: A portable flaring apparatus is disclosed. The flaring apparatus comprises a stack comprising multiple segments of varying diameters, which may be configured to be telescoped for transport. The flaring apparatus further comprises one or more inlets for the intake of gas, an arrester for suppressing flames and detonation within the flaring system, and a plurality of combustion tips for flaring gas. The components of the flaring apparatus may be affixed to a trailer platform for portability.

Abstract: Emissions of NOX and/or CO are reduced at the stack by systems and methods wherein a primary fuel is thoroughly mixed with a specific range of excess combustion air. The primary fuel-air mixture is then discharged and anchored within a combustion chamber of a burner. Further, the systems and methods provide for dynamically controlling NOX content in emissions from a furnace by adjusting the flow of primary fuel and of a secondary stage fuel, and in some cases controlling the amount or placement of combustion air into the furnace.

Abstract: The present disclosure relates to an apparatus, system and method for selectively capturing a carbon-containing gas from an input gas mixture.

Abstract: The present disclosure is directed to a turbomachine that includes a hot gas path component having an inner surface and defining a hot gas path component cavity. An impingement insert is positioned within the hot gas path component cavity. The impingement insert includes an inner surface and an outer surface and defines an impingement insert cavity and a plurality of impingement apertures fluidly coupling the impingement insert cavity and the hot gas path component cavity. A plurality of pins extends from the outer surface of the impingement insert to the inner surface of the hot gas path component.

Abstract: A gas turbine component includes a turbine component having an outer wall and an internal cooling passage; a cooling air supply hole through the outer wall in fluid communication with the internal cooling passage; and a filter mound disposed over the cooling air supply hole. The filter mound includes a filter mound wall projecting from the turbine component and defining an interior of the filter mound. At least one hole in the filter mound wall extending through the filter mound wall is configured to permit cooling air supply to pass therethrough while blocking debris from passing through the interior of the filter mound and clogging the cooling air supply hole in fluid communication with the internal cooling passage. The turbine component and the filter mound are formed during manufacturing of the turbine component.

Abstract: A turbine engine has two combustion zones so as to operate in conditions where water scarcity is an issue. The secondary combustion zone is located downstream of the primary combustion zone. Fuel can be fed into an air scoop having air from a shell surrounding the primary and secondary combustion zone. The feeding of the fuel through the air scoop allows atomization of the fuel. The mixture can then enter the secondary combustion zone and mix with the products from the first combustion zone.

Abstract: An apparatus for a turbine engine, such as a gas turbine engine, can include an engine component such as an airfoil. The airfoil includes an outer wall with a pressure side and a suction side confronting a hot gas flow exterior of the airfoil. A cooling circuit can provide a flow of cooling fluid through the interior of the airfoil to cool the airfoil operating within the hot gas flow. The cooling circuit can include a pin bank to induce turbulence on the cooling fluid to improve cooling of the airfoil.

Abstract: A cooled wall for lining a combustor of a gas turbine engine includes an annular outer wall defining a radial passage extending therethrough, an inner wall spaced radially from the outer wall to define an axial channel in fluid communication with the radial passage, and a connecting wall joining the inner wall to the outer wall. A method of making the cooled wall includes providing a three-dimensional computer model of the cooled wall, depositing a uniform thickness layer of material on a substrate, using a laser or electron beam to melt or sinter the material to form a cross section, repeating the depositing and cross section steps to form the cooled wall, and heat treating the cooled wall.

Abstract: A gas turbine engine variable porosity combustor liner has a laminated alloy structure. The laminated alloy structure has combustion chamber facing holes on one side and cooling plenum facing holes on a radially opposite side. The combustion chamber facing holes are in fluid communication with the cooling plenum facing holes via axially and circumferentially extending flow passages sandwiched between metal alloy sheets of the laminated alloy structure. Porous zones having respective different cooling flow amounts are formed in the laminated allow structure based on at least one of an arrangement of the combustion chamber facing holes, an arrangement of the cooling plenum facing holes, and an arrangement of the flow passages.

Abstract: An interface assembly for a combustor includes an interface housing having a channel defined by a forward wall and at least one aft wall segment, the aft wall segment operatively coupled to an aft flange of a flow sleeve. Also included is a piston ring fittingly disposed in the channel.

Abstract: A gas turbine engine variable porosity combustor liner has a laminated alloy structure. The laminated alloy structure has combustion chamber facing holes on one side and cooling plenum facing holes on a radially opposite side. The combustion chamber facing holes are in fluid communication with the cooling plenum facing holes via axially and circumferentially extending flow passages sandwiched between metal alloy sheets of the laminated alloy structure. Porous zones having respective different cooling flow amounts are formed in the laminated alloy structure based on at least one of an arrangement of the combustion chamber facing holes, an arrangement of the cooling plenum facing holes, and an arrangement of the flow passages.

Abstract: Disclosed is a combustor including a baffle plate having at least one through baffle hole and at least one fuel nozzle extending through the at least one baffle hole. At least one shroud is secured to the baffle plate and includes at least one piston ring disposed at the shroud. The at least one piston ring is configured to meter a flow of diluent between the at least one shroud and the at least one fuel nozzle. Further disclosed is a method for providing diluent to a combustor including providing a piston ring gap defined by at least one piston ring disposed at a baffle plate and a fuel nozzle extending through a through hole in the baffle plate. The diluent is flowed through the piston ring gap toward at least one airflow hole in the fuel nozzle.

Abstract: Includes a low flow-rate region (R2) that is disposed on an upstream side of a combustion region (R1) within a second pipe (2), and that has a relatively slow flow-rate of combustion gas (G1) within the second pipe, and a flame kernel formation unit (3a) is disposed in the low flow-rate region.

Abstract: A combustor apparatus is provided, comprising a mixing arrangement for mixing a carbonaceous fuel with enriched oxygen and a working fluid to form a fuel mixture. A combustion chamber is at least partially defined by a porous perimetric transpiration member, at least partially surrounded by a pressure containment member. The combustion chamber has longitudinally spaced apart inlet and outlet portions. The fuel mixture is received by the inlet portion for combustion within the combustion chamber at a combustion temperature to form a combustion product. The combustion chamber directs the combustion product longitudinally toward the outlet portion.

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 burner includes a generally cylindrical casing (1) and a burner head (2) mounted within the casing, the burner head including one or more vanes (9) rotatably mounted on the head and rotatable about the head to sweep through a region between the burner head (2) and the casing (1). The vanes (9) each include one or more gas outlets for introducing gas into an air flow through the region.

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 gas-fired air conditioning furnace has a cavity burner configured to combust an air-fuel mixture at least partially within an interior space of the cavity burner. A method of operating a gas-fired furnace by flowing an air-fuel mixture into a cavity burner through a perforated wall of the cavity burner, combusting at least a portion of the air-fuel mixture within an interior space of the cavity burner, and flowing at least partially combusted air-fuel mixture into a heat exchanger. A gas-fired air conditioning device has a cavity burner that has a cylindrically shaped body and a cap on a first end of the body, each of the body and the cap being perforated. The device has a cylindrically shaped heat exchanger inlet tube and the cavity burner is at least partially concentrically received within the heat exchanger inlet tube.

Abstract: A burner for fabricating an optical fiber preform, which can suppress the adhesion and deposition of glass particles to the front end of the burner without enlarging the burner diameter, is provided. The burner has a first tube, a second tube and a third tube coaxially arranged and define a glass raw material gas port, a sealing gas port, and a burnable gas port by the front end portions thereof, and a plurality of small diameter nozzles arranged between the second tube and the third tube, each of the nozzles arranged on a concentric circle relative to the glass raw material gas port and defines a combustion assisting gas port by the front end portion thereof, the front end portion of the second tube protrudes ahead of that of the first tube, and the front end portion of the third tube protrudes ahead of those of the second tube and each of the nozzles.

Abstract: The disclosure relates to a burner for a single combustion chamber or first combustion chamber of a gas turbine, with an injection device for the introduction of at least one gaseous and/or liquid fuel into the burner, wherein the injection device has at least one body which is arranged in the burner with at least one nozzle for introducing the at least one fuel into the burner, wherein the at least one body is located in a first section of the burner with a first cross-sectional area at a leading edge of the at least one body with reference to a main flow direction prevailing in the burner, wherein downstream of said body a mixing zone is located with a second cross-sectional area, and at and/or downstream of said body the cross-sectional area is reduced, such that the first cross-sectional area is larger than the second cross-sectional area.

Abstract: A burner at which fuel cannot be combusted with air as the only source of oxygen for combustion in a stable flame at the burner when the feed rate of the fuel is too low, when the fuel is fed at too high an air-to-fuel mass ratio, when the fuel contains too high an amount of inert matter, or when the specific energy content of the fuel is too low, is modified by supplying oxidant containing more than 21 vol. % oxygen into the base of a flame at the burner, whereupon such fuels can be combusted at the burner.

Abstract: An incinerator (20) for disposing of boil-off gas on an LNG carrier comprises a combustion section (40) wherein the boil-off gas admitted at (42) is burned in the presence of combustion air admitted at (44), producing a flame (46) and combustion products (C). Dilution air (A) is delivered into the combustion section (40) and mixed with the combustion products (C) to produce a diluted mixture (M). The combustion section (40) has an inner wall (48) and an outer wall (50) together defining a first passage (52) through which the dilution air (A) is passed before being mixed with the combustion products (C), whereby the dilution air A cools the combustion section (40). The dilution air A in the first passage (52) also provides a thermally insulting layer limiting radial heat transmission from the combustion section (40). A proportion (AP) of the dilution air is mixed directly with the combustion products (C).

Abstract: The present invention provides a gas burner (10) including: a distributor means (50) having at least one distribution chamber to distribute an air gas mixture around said distributor (50), said burner (10) including a plurality of flame ports (70) through which said gas mixture can pass and be ignited; at least one injector (39) associated with said distributor (50), said at least one injector (39) being positioned to inject gas into said at least distribution chamber via a venture formed of a vertically directed passage and transition port (64) and at least one venturi extension extending away from said transition port (64).

Abstract: A combustion nozzle for use in a turbine. The combustion nozzle may include a center body and a cone extending from the center body. The cone may include a number of apertures positioned therein.

Abstract: A vented, gas-fired air heater especially designed for temporary heating applications includes an improved burner design providing effective air and gas mixing and efficient burning in the combustion chamber. Highly efficient heat exchanger including corrugated heat exchanger panels provides enhanced heat transfer characteristics.

Abstract: A combustor housing includes an inlet cover plate having a central inlet configured to receive a supply of one of a high BTU content fuel or air and at least one radially-spaced, peripheral fuel inlet configured to receive a supply of a low BTU content fuel and an outlet cover plate having at least one radially-spaced, peripheral fuel outlet. The combustor housing also includes a peripheral sidewall joining the inlet cover and the outlet cover and enclosing a plenum, the at least one peripheral fuel inlet opening through the inlet cover plate into the plenum and the at least one fuel outlet opening from the plenum through the outlet cover plate. The central inlet opens into at least one conduit which extends away from the central inlet and opens into at least one high BTU content fuel conduit or air supply conduit that is axially aligned with the at least one fuel outlet.

Abstract: A combustor having a pressure feed is provided and includes an outer vessel, an intermediate vessel disposed within the outer vessel to form an outer annulus, an inner vessel disposed within the intermediate vessel to form an inner annulus between the intermediate and inner vessels, by which upstream portions of fuel nozzles disposed within the inner vessel are fed, and an internal volume within the inner vessel about downstream portions of the fuel nozzles and a tubular assembly by which the outer annulus and the internal volume are communicative.

Abstract: The burner (1) according to the invention comprises a main body (10) provided with an operating cavity (11) open at least on a first side. The burner also comprises first feed means (20) arranged to introduce a flow of a first reagent (for example combustion air) into said cavity and second feed means (31) are arranged to introduce a flow of a second reagent (for example fuel) into the same operating cavity. The first means are configured so as to introduce the first reagent according to a tangential direction, while the second means are configured to introduce the second reagent according to a direction parallel to the direction in which the cavity extends. According to the invention the operating cavity comprises a first portion between the intake position of the first reagent and the intake position of the second reagent. This first portion defines a stabilization chamber of the flow of the first reagent.

Abstract: A device for guiding an element in an orifice in a wall of a turbomachine combustion chamber is disclosed. The device includes a coaxial ring and bushing mounted one inside the other. The bushing includes two coaxial annular parts that are fastened to each other by welding and that define a groove for guiding a rim of the ring. Welding zones between the parts of the bushing are situated away from the path of the rim of the ring when moved along a privileged transverse direction of ring movement relative to the bushing when the combustion chamber is in operation.

Abstract: In one embodiment, a method for generating heat energy includes injecting a stream having a concentration of at least 50% oxygen (O2 stream) into a primary gas stream through a mixer, the mixer discharging the O2 stream as two or more spaced jets traversing the primary stream, thereby enriching the primary gas stream. The method further includes mixing fuel with the enriched primary gas stream, thereby forming a fuel stream; and combusting the fuel stream, thereby forming a flue gas stream.

Abstract: A burner tube to provide combustible materials to a combustor is provided and includes an annular shroud and a center body, having a cavity defined therein, disposed within the annular shroud to form an annular passage, the annular passage being communicable with a combustion zone of the combustor at an aft portion thereof and including a fore portion in which fuel is injected into the annular passage. The center body includes a surface having a passage defined therein through which air is to be supplied to the annular passage from the cavity at a position, which is downstream from the fuel injection and upstream from the combustion zone. Also provided is a contouring of the centerbody.

Abstract: Provided is a combustion apparatus capable of preventing a heat loss from a combustion cabinet without deteriorating a combustion performance thereof. According to the present invention, a part of an inner side surface of a combustion cabinet (1), which encloses a combustion chamber where a mixture gas erupted from a combustion plate (22) is combusted, is covered with a cover (7) made of an insulation material; and the cover (7) is provided with a concave portion (7a) at an outer side surface thereof having contact with the inner side surface of the combustion cabinet (1), and an insulation air layer (7b) is defined by the concave portion (7a).

Abstract: A method for providing uniform heat distribution within a furnace as well as decreasing the amount of NOx in the combustion products, when operating an industrial furnace having at least one conventional burner using air as the oxidant. At least one lance is connected with the furnace, and an oxidant including oxygen gas is flowed into the furnace through the lance to impinge against a flame issuing from the burner at a certain impingement point. The amount of oxygen supplied by the air supply to the burner together with the amount of oxidant issuing from the lance corresponds with the stoichiometric amount for a fuel supplied to the burner. At least 50% of the supplied oxygen for combustion is supplied through the lancing of oxidant, and the oxidant is flowed into the furnace through the lance at a velocity of at least 200 m/s.

Abstract: A gas burner assembly includes a first sheet, a second sheet, and a conduit. The first sheet has an inner face, an outer face, an upper portion, and a lower portion. The second sheet also has an inner face, an outer face, an upper portion and a lower portion. The first and second sheets are secured relative to one another such that the first and second sheets are separated by a gap that defines a manifold between the inner faces of the first and second sheets with an elongate opening between the upper portions of the first and second sheets, the opening forming an outlet from the manifold. The conduit is in communication with the manifold, the conduit being adapted for connection to a source of gas.

Abstract: Apparatus for enhancing combustion of an undesired chemical to minimize the formation of smoke during operation of a flare stack for the discharge of a flare feedstream includes a plurality of high-pressure air nozzles spaced apart below and around the periphery of the stack outlet. Each nozzle is directed toward the stack outlet and in the direction of the feedstream's movement. High-pressure air from the nozzles forms a plurality of high-velocity air jets to produce a moving air mass that draws additional atmospheric air into the air mass moving toward the stack outlet to enhance combustion of the flare feedstream. Analytical means determine the stoichiometric oxygen requirements, and an air-flow valve controls the flow rate of the high-pressure air to the nozzles.

Abstract: A burner includes a generally cylindrical casing (1) and a burner head (2) mounted within the casing, the burner head including one or more vanes (9) rotatably mounted on the head and rotatable about the head to sweep through a region between the burner head (2) and the casing (1). The vanes (9) each include one or more gas outlets for introducing gas into an air flow through the region.

Abstract: A transition duct for routing a gas flow from a combustor to the first stage of a turbine section in a combustion turbine engine is disclosed. The transition duct may have an internal passage extending between an inlet to an outlet. An axis of the transition duct body may be generally linear such that gases expelled from the transition duct body flow in a proper direction into the downstream turbine blades. The linear transition duct may include an outlet with exhaust mouths that are configured such that sides of the transition duct are coplanar with adjacent transition ducts, thereby eliminating destructive turbulence between adjacent, linear transition ducts.

Abstract: A vented, gas-fired air heater especially designed for temporary heating applications includes an improved burner design providing effective air and gas mixing and efficient burning in the combustion chamber. Highly efficient heat exchanger including corrugated heat exchanger panels provides enhanced heat transfer characteristics.

Abstract: A premix burner with staged liquid fuel supply is described having at least two partial cone shells which on the radial side form the boundary of a swirl chamber which axialwards conically widens, which partial cone shells are arranged in a partially overlapping manner, the center axes of the partial cone shells of which extend with offset effect in relation to each another, and the mutually overlapping partial cone shell sections of which enclose in each case an air inlet slot which extends tangentially to the swirl chamber, with a burner lance which projects axialwards into the swirl chamber, which lance provides means for feed of liquid fuel into the swirl chamber, and also with further means for feed of liquid fuel which are provided in the region of the air inlet slots.

Abstract: The invention relates to a burner for premix-type combustion having a cavity which has at least one tangential air inlet slot for the supply of a combustion air flow, a device for the injection of fuel into the cavity which is provided in the region of a burner axis, and a device for the injection of premix fuel into the air inlet slots which is provided centrally in the inflow region of the combustion air flow. The device for the injection of premix fuel into the air inlet slots has at least one fuel supply, the fuel outlet openings of which are arranged in such a way that the premix fuel is introduced into the combustion air flow on both sides of the at least one fuel supply related to a cross-sectional plane at right angles to the burner axis.

Abstract: Apparatus and methods for improved combustion of oxygen and a mixture of a non-gaseous fuel, which includes providing: 1) a source of a mixture of non-gaseous fuel and conveying gas; 2) a source of oxygen; 3) a burner operatively associated with a combustion chamber; 4) a fuel duct in fluid communication with the source of mixed non-gaseous fuel and conveying gas; 5) a tubular oxygen lance fluidly communicating with the source of oxygen; and 6) at least two injection elements in fluid communication with the source of oxygen. The fuel duct includes a portion that extends along an axis towards the burner. The lance is disposed along the axis and has a diameter D. The injection elements are configured to inject oxygen into, and mix therewith, a flow of the mixture upstream of, or at, the burner. At least one of the injection elements receives oxygen from the lance. The injection elements are spaced apart by a distance X, which is greater than the length of diameter D.

Abstract: A system when installed in-line with a pollution source provides reduction and/or complete combustion of harmful emissions generated there from. Such emissions including (but not limited to) compounds such as oxides of nitrogen, hydrocarbons, carbon monoxide, odors, organic and inorganic particulates. The pollution source can be of any type, such as smoke from a smokestack, engine exhaust, etc. The re-burner system is of very simple construction, is extremely energy efficient and does not require any moving parts or maintenance, respectively.

Abstract: A premixing burner is disclosed for operating a combustion chamber with a liquid and/or gaseous fuel, with a swirl generator for a combustion inflow air stream for forming a swirl flow, and with injection of fuel into the swirl flow. The swirl generator is adjacent to the combustion chamber indirectly via a mixing zone or directly, in each case via a burner outlet, a cross-sectional widening at the burner outlet being provided which, is discontinuous in the flow direction of the swirl flow and through which the swirl flow bursts open so as to form a backflow zone. A contour locally narrowing the flow cross section of the swirl generator or of the mixing zone in the flow direction can be provided upstream of the burner outlet.

Abstract: A gas burner apparatus for discharging a mixture of fuel gas, air and flue gas into a furnace space of a furnace wherein the mixture is burned and flue gas having a low content of nitrous oxides and carbon monoxide is formed is provided. The burner tile includes at least one gas circulation port extending though the wall of the tile. The interior surface of the wall of the tile includes a Coanda surface. Fuel gas and/or flue gas conducted through the gas circulation port follows the path of the Coanda surface which allows more flue gas to be introduced into the stream. The exterior surface of the wall of the tile also includes a Coanda surface for facilitating the creation of a staged combustion zone. Also provided are improved burner tiles, improved gas tips and methods of burning a mixture of air, fuel gas and flue gas in a furnace space.

Abstract: What are described are a multiple burner arrangement and a method for operating such a multiple burner arrangement with a multiplicity of individual burners which are designed as premix burners and which serve for firing a combustion chamber of a thermal engine and each have a swirl space into which combustion supply air and fuel can be introduced so as to form a swirl flow, the swirl flow forming downstream of the premix burner, within the combustion chamber, a backflow zone in which a burner flame is formed.

Abstract: A burner assembly for a radiant tube heater having an air duct portion for passage of combustion air to a radiant tube portion includes a mixing cup for mixing combustible gas and air and delivering the mixture to the tube. This cup has an inlet portion and a larger cylindrical outlet portion. Air inlet holes are formed in an upstream end wall of the outlet portion and air ports are formed in a peripheral wall of the inlet portion. An air diverter mounted at an upstream end of the inlet portion has a set of blade which divert a portion of the air through the ports for initial mixing with the gas while a second portion of the air flows through the inlet holes providing additional primary air for mixing. An airflow restricting plate can be mounted on the cup so as to extend circumferentially around the cup.

Abstract: A flame-holding control method in a gas turbine having a combustor can and a fuel nozzle disposed in the combustor can. The method can include performing a first scheduled injection of a diluent stream into the nozzle, checking to see if a time period has exceeded a time threshold and in response to the time period being greater than that the time threshold, performing a second scheduled injection of the diluent stream into the nozzle.

Abstract: A primary flow of the burner air stream is slowed relatively to a secondary flow of the air stream. Fuel is injected at a lower rate into the primary flow, which generates a more stable flame, and fuel is injected at a higher rate into the secondary flow, which generates a stronger flame. If the stronger flame is blown out, fuel in the secondary flow can be lit by the flame from the primary flow.

Abstract: A combustion method and apparatus which produce a hybrid flame for heating metals and metal alloys, which hybrid flame has the characteristic of having an oxidant-lean portion proximate the metal or metal alloy and having an oxidant-rich portion disposed above the oxidant lean portion. This hybrid flame is produced by introducing fuel and primary combustion oxidant into the furnace chamber containing the metal or metal alloy in a substoichiometric ratio to produce a fuel-rich flame and by introducing a secondary combustion oxidant into the furnace chamber above the fuel-rich flame in a manner whereby mixing of the secondary combustion oxidant with the fuel-rich flame is delayed for a portion of the length of the flame.

Abstract: An internal combustion burner, especially for attenuation of mineral fibers, and including a combustion chamber, into which at least one duct for feeding fuel and oxidizer opens, and provided with an expansion orifice. The combustion chamber is provided with at least one flame stabilizing element, the geometry of the walls of which is chosen to create a confinement zone in which at least part of the combustion between oxidizer and fuel takes place.