139results about "Multiple burner assembly" patented technology

A gas turbine engine including a fuel injector having an outer valve body with an inner passage, a wall at least partially enclosing the inner passage, the wall having an inner surface, an outer surface, and one or more channels passing through the wall between the outer surface of the wall and the inner surface of the wall, and a retractable valve body positioned within the inner passage of the outer valve body. The retractable valve body has one or more slots in fluid communication with the fluid spin chamber. The retractable valve body is positioned within the inner passage to move along a reciprocating axis at one or more valve positions including an advanced valve position, a retracted valve position, an open valve position, and a closed valve position.

Provided is a burner capable not only of mono-fuel combustion, but also co-combustion of biomass and carbon-free fuel, for example. The present invention comprises: an outer cylinder nozzle (62); a flame holder (71) that holds a flame formed by the outer cylinder nozzle (62); an inner cylinder nozzle (61) that extends along a centerline (CL) on the inner peripheral side of the outer cylinder nozzle (62) and opens toward the inside of a furnace (11); and a plurality of ammonia nozzles (80) that can supply ammonia fuel to the inside of the furnace (11) from a position closer to the outer peripheral side than the flame holder (71); swivel vanes (76, 77) provided on the outer periphery of the inner cylinder nozzle (61); and a distributor (78) which is provided between the swirl vanes (76, 77) and the tip of the inner cylinder nozzle (61), distributes a flow passage between the outer cylinder nozzle (62) and the inner cylinder nozzle (61) to an inner peripheral side flow passage (79a) and an outer peripheral side flow passage (79b), and at which the cross-sectional area of the outer peripheral side flow passage (79b) expands toward the tip of the outer cylinder nozzle (62).

An air handling unit (AHU) for a heating, ventilation, air conditioning, and refrigeration (HVACR) system includes a housing and a combustion heater disposed within the housing. The housing includes a combustion section with a first channel and a second channel. The combustion heater includes heat exchanger tubes and a tube support that supports heat exchanger tubes within the combustion section. The tube support slidably disposed in the first channel and the second channel. The combustion heater configured to be slidably removable from the AHU An AHU for an HVACR system includes a housing with a fan section and a fan assembly disposed within the housing. The fan assembly including a pair of grooves slidably disposed on a pair of rails of the housing. The fan assembly configured to be both slidably removable from the AHU and liftably removable from the AHU

To provide a burner using liquid ammonia fuel that is capable of achieving stable combustion even when a load of the burner is adjusted. This burner comprises: an outer cylinder nozzle extending along the center axis and supplying ammonia fuel and air into the furnace; a flame holder holding flame formed by the outer cylinder nozzle; a liquid ammonia nozzle supplying the liquid ammonia fuel to the inside of the furnace from a position on the outer peripheral side of the flame holder; and a control unit adjusting the load by adjusting the supply amount of the liquid ammonia supplied from the liquid ammonia nozzle after making the supply amount of the ammonia fuel supplied to the outer cylinder nozzle constant.

A fireplace includes a housing, a burner, a gasification device, a liquid supply device, a fuel tank, and a controller. The burner includes an intake port, horizontal portions, and inclined portions. Ends of inclined portions are connected to ends of horizontal portions, and the other ends of the horizontal portions are connected to each other. The horizontal portions, the inclined portions, and the main body each have a hollow structure and are in communication. The inclined portions are inclined with respect to the horizontal portions, and the inclined portions and the horizontal portions are combined into a three-dimensional shape. The intake port is below the burner and communicates with the interior of the burner. The horizontal portions include first flame holes, the inclined portions include second flame holes, and the main body includes third flame holes. Flames burn in the main body, the horizontal portions, and the inclined portions.

A burner for burning gaseous fuel includes a gas intake port, several horizontal portions, and several inclined portions. One end of each inclined portion located at a lower position is connected and fixed to one end of a horizontal portion, and the other ends of all the horizontal portions are connected to each other either directly or by means of a combustion chamber main body. The horizontal portions, the inclined portions, and the combustion chamber main body are in communication with each other. The inclined portions are inclined with respect to the horizontal portions. The gas intake port is provided at the very bottom of the burner. When a gaseous fuel is introduced and ignited, flames burn in each of the combustion chamber main body, the horizontal portions, and the inclined portions, thereby forming a flame effect in a three-dimensional (3D) form.

The burner assembly comprises a first burner and a second burner, the first burner and the second burner are in a hollow cylinder shape, and a plurality of first grooves and second grooves connected with the upper end face and the lower end face are evenly formed in the outer side walls of the first burner and the second burner correspondingly. The first combustor is coaxially arranged in the second combustor, and the outer diameter of the first combustor is matched with the inner diameter of the second combustor, so that a circle of first flame path is formed between the first grooves and the inner wall of the second combustor; the second combustor is coaxially arranged in the gas stove burner, and the outer diameter of the second combustor is matched with the inner diameter of the gas stove burner, so that a circle of second flame path is formed between the second grooves and the inner wall of the gas stove burner. The gas stove is convenient to process, can be conveniently detached for cleaning when being blocked, and can also be conveniently mounted in the gas stove after being cleaned.

An intelligent heating device includes a gas pipe, a burner and an electronic control component. The burner is connected to the gas pipe. The burner has a heating mode and a heat preservation mode. The electronic control component is configured for detecting a temperature of the burner and automatically controlling gas intake of the burner so that the burner enters the heating mode or the heat preservation mode.

Provided is a burner capable not only of mono-fuel combustion, but also co-combustion of biomass and carbon-free fuel, for example. The present invention comprises: an outer cylinder nozzle (62); a flame holder (71) that holds a flame formed by the outer cylinder nozzle (62); an inner cylinder nozzle (61) that extends along a centerline (CL) on the inner peripheral side of the outer cylinder nozzle (62) and opens toward the inside of a furnace (11); and a plurality of ammonia nozzles (80) that can supply ammonia fuel to the inside of the furnace (11) from a position closer to the outer peripheral side than the flame holder (71); swivel vanes (76, 77) provided on the outer periphery of the inner cylinder nozzle (61); and a distributor (78) which is provided between the swirl vanes (76, 77) and the tip of the inner cylinder nozzle (61), distributes a flow passage between the outer cylinder nozzle (62) and the inner cylinder nozzle (61) to an inner peripheral side flow passage (79a) and an outer peripheral side flow passage (79b), and at which the cross-sectional area of the outer peripheral side flow passage (79b) expands toward the tip of the outer cylinder nozzle (62).

The invention relates to a heating apparatus (1) having at least one reaction unit (2) for generating heat from a reaction gas mixture comprising hydrogen, gaseous hydrocarbon and / or oxygen, wherein the at least one reaction unit (2) has at least one first reaction portion (3) with at least one hydrogen catalyst (6) for the flameless combustion of the hydrogen. According to the invention, the at least one reaction unit (2) comprises at least one second reaction portion (4) for combusting the gaseous hydrocarbon and / or the heating apparatus (1) comprises at least one separating device (5) for separating the gaseous hydrocarbon and the hydrogen. The invention also relates to the use of a heating apparatus (1) and to a method for operating a heating apparatus (1).

Disclosed in the present invention is a burner for burning gaseous fuel. The burner includes a gas intake port, several horizontal portions, and several inclined portions. One end of each inclined portion located at a lower position is connected and fixed to one end of a horizontal portion, and the other ends of all the horizontal portions are connected to each other either directly or by means of a combustion chamber main body. The horizontal portions, the inclined portions, and the combustion chamber main body each have an internally hollow structure and are in communication with each other. The inclined portions are inclined upwardly at an angle ∠α with respect to the horizontal portions, and the inclined portions and the horizontal portions are combined into the shape of a three-dimensional geometric space. The gas intake port is provided at the very bottom of the burner and is in communication with the interior of the burner. First flame holes are provided in the horizontal portions, second flame holes are provided in the inclined portions, and third flame holes are provided in the combustion chamber main body. When a gaseous fuel is introduced and ignited, flames burn in each of the combustion chamber main body, the horizontal portions, and the inclined portions, thereby forming a flame effect in a three-dimensional (3D) form.

The present application provides an intelligent heating device and an oven. The intelligent heating device includes a gas pipe, a burner and an electronic control component. The burner is connected to the gas pipe. The burner has a heating mode and a heat preservation mode. The electronic control component is configured for detecting a temperature of the burner and automatically controlling gas intake of the burner so that the burner enters the heating mode or the heat preservation mode. The technical solution of the present application aims to enable the burner to automatically maintain the temperature within a set range.

To supply a sufficient air flow rate for cooling of unused burners in a high-load band to protect burner devices, and supply an appropriate air flow rate in a low-load band according to decrease in thermal load of a furnace, thereby ensuring a suitable operating state in the entire load band.SOLUTION: A boiler system 2 comprises: a boiler 10 having a plurality of burners 21; an air supply unit that supplies air to the burners 21; a cold gas damper 30d that adjusts an amount of air supplied to the burners 21 by the air supply unit; and a control unit 50 that controls the cold gas damper 30d so as to supply an amount of cooling air according to a load of the boiler 10 when cooling air is supplied by the air supply unit to the burners 21 that are not forming a flame.SELECTED DRAWING: Figure 2

The application discloses a natural gas combustion spray gun for a large glass furnace, which comprises a coaxially arranged outer sleeve and an inner sleeve; a flow guide column is fixed at the front end of the inner sleeve, and an arc-shaped flow guide groove is formed in the circumferential surface of the flow guide column; a blind hole is formed at the front end of the flow guide column, and a third flow guide hole is formed in the flow guide column and is communicated with the arc-shaped flow guide groove and the blind hole; a second flow guide hole and a first flow guide hole are sequentially formed at the front end of the inner sleeve from front to back, and the second flow guide hole and the first flow guide hole are directed to the arc-shaped flow guide groove on the flow guide column; a heat insulation sleeve is sleeved at the front end of the outer sleeve, and a positioning ring is fixed in the inner part of the front end of the outer sleeve; a plurality of turbulence columns are uniformly fixed at the front end of the flow guide column and pass through the positioning holes in the positioning ring. The flow guide column is arranged at the front end of the inner sleeve, and the turbulence column is arranged at the nozzle position, so that the mixing area is enlarged, the atomization effect of the natural gas on the ethylene tar is improved, the fuel and the combustion-supporting agent are fully mixed, the fuel utilization rate is improved, and the heat radiation effect in the furnace is improved.

A method for providing automatic enhanced staged oxygen combustion in a glass furnace including providing two or more burner assemblies each positioned to provide a flame in the glass furnace. Each of the burner assemblies includes a burner body having a primary gas inlet in fluid communication with a gas source through a primary gas valve, and a staged injector sub-assembly having a secondary gas inlet in fluid communication with the gas source through a secondary gas valve. The primary gas valve and the secondary gas valve are automatically controlled to alternate the total gas flow between a first total gas flow condition with the secondary gas flow rate at a secondary gas flow rate maximum value and a second total gas flow condition with the secondary gas flow rate at a secondary gas flow rate minimum value to provide enhanced staged oxygen combustion.

The present invention provides an oil and gas flare combustion system and method coupled with a flame fuel cell, comprising a flare burner housing, a micro-mixing burner, a flame fuel cell and a secondary burner; the micro-mixing burner is connected and installed on the upstream side of the bottom of the flare burner housing; the secondary burner is connected and installed on the downstream side of the top gas outlet of the flare burner housing; the interior of the flare burner housing has a cross-section that gradually decreases from bottom to top to form a conical cavity; the flame fuel cell is arranged on the conical inner wall of the conical cavity. Advantages: (1) The flame fuel cell and the flare combustion are creatively combined to achieve efficient and clean utilization of associated gas. (2) By stacking the micro-tubular flame fuel cells in a conical shape, the problems of short fuel residence time and uneven temperature distribution of the existing flame fuel cells are solved, and the power generation capacity can be increased by increasing the number of flame fuel cell layers, thus achieving a modular design.

The aim is to create a gas tube burner for a portable gas grill to utilize the entire grilling surface with even heat distribution, especially in the edge zones, while simultaneously providing two controllable zones. This is achieved by a mobile, double-chamber tube burner for detachable insertion into portable gas grills, comprising a burner tube (2) with two divided gas mixture chambers (17) and two gas connections (16) to these gas mixture chambers (17).

A heating device comprises a device input and a device output, a conduit for conducting a flow of fluid from the device input to the device output, a hydrogen-burning torch arranged to heat the flow of fluid between the device input and the device output by flame-heating, and a spark ignitor arranged to light the torch. The heating device may be used to heat a flow of supercritical hydrogen derived from a store of liquid hydrogen to provide a flow of gaseous hydrogen. The device may be used in a fuel delivery system for a hydrogen-burning gas turbine engine, providing a weight saving compared to a hydrogen fuel delivery system having a fuel pre-heater which includes a heat-exchanger.

A heating apparatus (1), in particular for recreational vehicles like campers or caravans, comprises a heating unit (10) and two separate heat exchanging units (30) and (40), which are coupled to the heating unit (10) in parallel with each other. The heating unit (10) comprises one burner (20) and (22) for each heat exchanging unit (30) and (40), and at least one combustion air fan unit (26) configured to supply the burners (20) and (22) with combustion air. The burners (20) and (22) are configured to burn fuel gas or liquid further supplied to each of the burners (20) and (22) together with the combustion air received from the combustion air fan unit (26) to get hot exhaust gasses. The heat exchanging units (30) and (40) are configured to receive the exhaust gasses from the burners (20) and (22), and to transfer heat from the exhaust gasses to fluids to be heated, provided within the heat exchanging units (30) and (40). The heat exchanging units (30) and (40) are positioned in parallel with each other side by side on one side of the heating unit (10). Furthermore, the present invention refers to a recreational vehicle with such a heating apparatus (1).

A burner assembly for an outdoor cooker or a commercial fryer has a jet tube into which gas is injected by a nozzle on an angle oblique to the centerline of the jet tube. The nozzle is supplied gas through a manifold having gas ports. One port serves as an inlet through which gas is supplied. Another port serves as an outlet feeding gas to the nozzle. The nozzle has an exit orifice that is positioned closer to the wall of the jet tube than to the tube's centerline to minimize blockage of air into the jet tube. The oblique injection of gas and minimized air blockage help the burner assembly maintain a high-temperature blue flame.

A combustion assembly and a combustion furnace, the combustion assembly comprising a block divided over its height h into a plurality of levels, each level containing a passage for injecting fuel and / or oxidant, each passage extending from an inlet face to an outlet face and terminating in an injection orifice in the outlet face of the block, the injection orifices of each level define a contact rectangle on the outlet face, and further comprising burners provided one per level, each burner having a fuel injector and an oxidant injector, each burner being mounted on a corresponding level of the block such that the fuel and oxidant injectors of the burner are inserted into the passages of the corresponding level, the passages of each level are oriented and spaced apart such that when flames are generated downstream of the exit face, flames generated by the burners are spaced apart from each other and do not converge, and in the level adjoining the lower end of the block, a contact rectangle defined on the exit face has a line segment perpendicular to the height h direction, the length x is at least twice the length y of a line segment parallel to the height h direction.

The combustion system includes an ammonia supply source, a cracker that is connected to the ammonia supply source and that decomposes ammonia into hydrogen and nitrogen, a combustor that is connected to the ammonia supply source and the cracker and that combusts ammonia from the ammonia supply source and gas including hydrogen from the cracker, a sensor that detects a combustion abnormality in the combustor, and a controller that is communicatively connected to the sensor and that adjusts an amount of gas from the cracker to the combustor based on a detection result of the sensor.

The invention provides an oil gas torch combustion system and method coupled with a flame fuel cell. The oil gas torch combustion system comprises a torch combustor shell, a micro mixing combustor, the flame fuel cell and a secondary combustor. The micro-mixing combustor is mounted on the upstream side of the bottom of the torch combustor shell in a communicating manner; the downstream side of a top gas outlet of the torch burner shell is communicated with the secondary burner; the cross section of the interior of the torch burner shell is gradually reduced from bottom to top to form a conical cavity; and the flame fuel cell is arranged on the conical inner wall of the conical cavity. The device has the advantages that (1) a flame fuel cell and torch combustion are creatively combined, and efficient and clean utilization of associated gas is realized; and (2) the problems of short fuel retention time and non-uniform temperature distribution of the existing flame fuel cell are solved by carrying out conical lamination on the micro-tube flame fuel cell, and the generation power can be increased by increasing the number of layers of the flame fuel cell, so that the modular design is realized.

A compact low-energy consumption open ground flare system, characterized in that: it includes a flare gas main pipe, a radiation protection screen, a grading pipe, a grading valve, a self-variable diameter flare burner, a micro-vortex burner, a pilot burner and a grading control system. By setting a self-variable diameter flare burner at the first stage, this open ground flare system can effectively solve the problem of incomplete combustion of conventional flare burners under small flow rate discharge conditions, save steam and nitrogen consumption, and reduce operating costs. By setting micro-vortex burners at each stage, the layout spacing between adjacent burners can be reduced, making the combustion area more compact, thus saving floor space.

The utility model relates to a low-load combustion control device for a boiler burner, which belongs to the technical field of boiler burners and comprises a combustion shell, three layers of fuel nozzles are uniformly distributed on the inner side wall of the combustion shell, and a lifting combustion device is arranged in the combustion shell. The lifting combustion device comprises a lifting hydraulic rod fixedly installed at the bottom of the combustion shell. According to the low-load combustion control device for the boiler combustor, the lifting combustion device is arranged in the combustion shell, and a lifting hydraulic rod drives a main combustion head to move upwards in the combustion shell, so that the main combustion head is close to the upper layer of a fuel nozzle, and during low-load combustion, only an upper-layer input pipe is opened; fuel is input into the fuel nozzles through the upper-layer fuel pipe to be sprayed into the combustion shell for combustion, and the problem that the position of the main combustion head is fixed, so that the distance between the main combustion head and part of fuel output ports is fixed, and combustion is unstable is solved.

There is described an air handling unit (AHU) for a heating, ventilation, air conditioning, and refrigeration system. The air handling unit comprises: a housing containing a fan section, the housing including: a first side with a first opening for the fan section, a top side with a second opening for the fan section, and a pair of rails disposed in the fan section; and a fan assembly disposed in the fan section, the fan assembly including one or more fans and a pair of grooves, the pair of grooves slidably disposed on the pair of rails. The fan assembly is configured to be both slidably removable from the AHU through the first opening in the housing and liftably removable from the AHU through the second opening in the housing.

Provided is a burner arrangement (100) for producing synthesis gas by non-catalytic or catalytic partial oxidation of fluid or fluidized carbon-containing fuels in the presence of an oxidant and a moderator, comprising following assemblies: (a) means (104, 106, 108) for separately feeding three fluid reaction media streams or two fluid and one fluidized reaction media stream into a burner (102), (b) at least one burner (102), (c) outer wall of the at least one burner (102) is fluid-tightly connected to a burner mounting plate (118), (d) a reaction chamber (120), (e) the at least one burner (102) is insertable into the reaction chamber (120), and (f) outer wall of the at least one burner (102) and the side of the at least one burner mounting plate (118) facing away from the interior (126) of the reaction chamber (120) are designed to allow cooling by indirect heat exchange with a cooling fluid.

An annular nozzle (1) for enclosing a nozzle lance inserted therein has a longitudinal axis (L) and an outer nozzle end (2) for dispensing a gas or gas mixture. The annular nozzle (1) has an annular outer channel (5) extending between an outer tube (3) and an inner tube (4) towards the outer nozzle end (2), which opens in the region of the outer nozzle end (2) into at least one, preferably annular, outer outlet opening (6). Opposite the outer outlet opening (6), a Hartmann generator (7) is formed on the inner tube (4), pointing away from the longitudinal axis (L). The inner tube (4) encloses an inner shaft (8) for inserting the nozzle lance.

Systems and methods are disclosed that include providing a cooking system that comprises a burner assembly and a heat exchanger, the burner assembly having a high velocity burner configured to provide the necessary high velocity, volumetric flowrate through the heat exchanger, and the burner assembly also having a low velocity burner configured to significantly reduce and / or substantially eliminate "lift off" that could result from operation of only the high velocity burner.