116results about "Burner ignition devics" patented technology

The invention relates to the technical field of pulverized coal fired boiler combustors, and particularly discloses a double-high-concentration-area oil-saving ignition pulverized coal combustor. The double-high-concentration-area oil-saving ignition pulverized coal burner comprises a flow guide device and an ignition device arranged in a combustion cylinder. The flow guide device comprises a main cylinder and a turbulent flow structure arranged on the periphery of the main cylinder, the main cylinder is connected to the inner wall of the combustion cylinder through a supporting piece, and the turbulent flow structure is of a structure protruding in the radial direction and used for disturbing the flow direction of mixed gas. Therefore, the problem that in the prior art, when the structural design of an oil-saving ignition pulverized coal burner is in a non-ignition working condition, the pulverized coal concentration distribution mode of'thick inside and thin outside 'is opposite to the design of'thick outside and thin inside' of an original burner of a boiler, and the air powder flow field characteristics of an outlet of the burner and the interior of a hearth are prone to being remarkably influenced is solved.

The burner belongs to the technical field of furnace equipment, and particularly relates to a burner. The present invention provides a burner with good use effect. The burner of the present invention includes a housing 5, an air intake adjustment port 4 is provided on the housing 5, a sleeve 11 and a conductive column are arranged inside the housing 5, a gas pressurizing mixer 10 is arranged inside the sleeve 11, the inlet of the gas pressurizing mixer 10 is connected to an intake pipe 7, and the outlet of the gas pressurizing mixer 10 is connected to a gas mixing device 9; the inner end of the conductive column is placed inside the sleeve 11, and the outer end of the conductive column is placed outside the housing 5; an ignition head 2 is arranged at the inner end of the conductive column, and an igniter power supply interface 1 is arranged at the outer end of the conductive column.

The invention relates to a combustion device and a combustion method for an SOFC (solid oxide fuel cell) power generation system taking carbon-based synthesis gas as fuel, and the combustion device disclosed by the invention can be used as a starting combustor and can improve the net power generation efficiency of the SOFC power generation system. Moreover, the combustion device disclosed by the invention utilizes the cathode tail gas at the starting temperature rise stage as the combustion-supporting gas to replace external air input, so that the device cost can be reduced while the economic effect of the system is improved. Meanwhile, according to the combustion device disclosed by the invention, the cathode tail gas entering the cathode tail gas cavity from the cathode tail gas branch to diffuse and flow can be used as cooling gas of the head of the combustor, so that the temperature of the head of the combustor is adjusted, and local overtemperature is prevented. Besides, the combustion device disclosed by the invention can be used for combusting the anode tail gas and the cathode tail gas of the SOFC power generation system after being mixed, so that unreacted fuel in the anode tail gas can be completely combusted, near-zero emission of CO2 is achieved, and the fuel utilization rate of the system and the overall efficiency of the system can be further improved.

A flame producing assembly including a pocket lighter and a sub-unit assembly including an extended wand, a rigid support and an helical spring, the pocket lighter being connected to the sub-unit assembly, the pocket lighter comprising a piezoelectric ignition device, the rigid support being located inside the extended wand, the rigid support having an longitudinal inner opening, the extended wand being electrically coupled to the piezoelectric ignition device, wherein the pocket lighter is connected directly to the sub-unit assembly and wherein the helical spring extends along the longitudinal inner opening.

A heating appliance (1) is proposed, comprising a conveying device (2) for conveying combustion air to a burner (3), a Venturi device (15) arranged downstream of the conveying device (2), and a gas valve (5) connected to a gas supply (8). A control line (17) is connected downstream of the Venturi device (15) to the gas valve (5) with respect to a flow direction (16) of the heating appliance (1), and the gas valve (5) is configured to adjust the fuel gas flow rate to the reference pressure of the control line (17). The heating appliance (1) enables an extended modulation range, in particular allowing the operation of the heating appliance (1) at high power levels. Furthermore, a method for commissioning the heating appliance and a computer program are described.

A flame producing assembly comprising a pocket lighter (12) and a sub-unit assembly (14) comprising an extended wand (42), a rigid support (44) and an helical spring (46), the pocket lighter (12) being connected to the sub-unit assembly (14), the pocket lighter (12) comprising a piezoelectric ignition device (18), the rigid support (44) being located inside the extended wand (42), the rigid support (44) having an longitudinal inner opening (64), the extended wand (42) being electrically coupled to the piezoelectric ignition device (18), wherein the pocket lighter (12) is connected directly to the sub-unit assembly (14) and wherein the helical spring (46) extends along the longitudinal inner opening (64).

A regulation method of a premixed gas burner substantially and / or essentially fed by hydrogen H2 as well as a device to carry out such method is described.

A microburner configured to test a combustion reaction and its effects on surrounding structures is disclosed.SOLUTION: Microburner 100 includes a leak plate 108 having a test opening 110 configured to simulate a microleak of a gaseous fuel into a combustion environment 101 containing a reactant gas to test a combustion reaction between the reactant gas and the gaseous fuel within the combustion environment. The microburner also includes a gas supply line 112 coupleable to the leak plate and configured to supply gaseous fuel through the test opening and into the combustion environment when coupled. The microburner further comprises an ignition source 114 configured to initiate a combustion reaction between the reactant gas and the gaseous fuel within the combustion environment.SELECTED DRAWING: Figure 1

Systems and devices for igniting a gas to be flared include: a body having an inlet and an outlet, the body defining a channel extending between the inlet and the outlet; an igniter operable to generate a spark at the outlet of the body; an actuator disposed in the channel, the actuator configured to harvest energy when the gas to be flared flows from the inlet to the outlet through the channel and transfer the energy to the igniter.

The present invention provides a burner for efficient mixing and homogenization of flammable gas and air, relating to the technical field of burners, comprising: a supporting base; a mixing and homogenizing mechanism installed on the circular mounting shell; an air intake mechanism installed inside the circular mounting shell, the mixing and homogenizing mechanism and the air intake mechanism being used to evenly mix the flammable gas and air together; a docking mechanism installed on the circular mounting shell and the air intake mechanism, the docking mechanism being used to improve the installation or disassembly efficiency of the air intake mechanism and the external pipeline; a combustion mechanism installed on the top of the circular mounting shell; an ignition mechanism installed on the combustion mechanism; the flammable gas and air after the first mixing and homogenization of the present invention can complete a second auxiliary mixing and homogenization in the circular combustion tube, thereby ensuring the mixing effect of the flammable gas and air; and solves the problem that the burner generally lacks a mixing and homogenizing structure, resulting in insufficient mixing of the flammable gas and air, thereby affecting the subsequent combustion effect.

The invention relates to a burner arrangement (3) for a heating appliance (1) designed for the combustion of a fuel gas containing at least 80 percent hydrogen. The burner arrangement (3) has a burner outlet element (15) which defines a burner cavity (33) and has at least one outlet area (16) as a field with outlet openings (17) for the fuel gas from the burner cavity (33). Adjacent to and perpendicular to the at least one outlet area (16) is a primary flame chamber (28) of the burner outlet element (15).The burner arrangement (12) further comprises an ignition device (18) with at least one electrode (20, 21) that forms an ignition spark in an ignition spark generation section (29), wherein the ignition spark generation section (29) is positioned relative to the burner outlet element (15) such that it is located outside any primary flame chamber (28), and a lateral distance A (26) of the ignition spark generation section (29) to the primary flame chamber (28) satisfies the following condition: A ≤ 5 mm + D / 3. Here, D is a burner distance (30) of the ignition spark generation section (29) towards the burner outlet element (15). Furthermore, a heating device (1) with a burner arrangement (3) as proposed here is proposed.

The present invention discloses a three-ring fire burner, comprising: a burner body, having an inner air cavity, an inner ring air cavity, a middle ring air cavity, an outer air cavity with a top opening, and an outer ring air cavity arranged radially from the inside to the outside, an air outlet connected to the inner air cavity and an inner fire hole group connected to the inner ring air cavity provided at the top of the burner body; an ignition hole group, provided on the burner body and located below the air outlet, the inner air cavity being connected to the inner ring air cavity and / or the middle ring air cavity through the ignition hole group; and an ignition sensing needle, provided in the inner air cavity and located below the air outlet, the air outlet direction of the ignition hole group being toward the ignition sensing needle. The three-ring fire burner of the present invention has uniform firepower distribution, the inner ring fire burns more fully, and the ignition sensing needle is hidden in the inner air cavity, making the appearance of the entire burner more concise.

1. Electrode assembly for a burner system, burner system, and heating device having such a burner system 2.1 An electrode assembly for a burner system of a heating device is known which has an electrode support oriented on a vertical plane relative to the burner system in an operationally-ready mounted starting position; a ground electrode which is secured to the electrode support; and an ignition electrode having an ignition electrode wire and an ignition electrode ceramic which holds the ignition electrode wire and is secured to the electrode support. 2.2 According to the invention, the ground electrode is oriented at least largely parallel to the vertical plane of the electrode support, the ignition electrode ceramic holding the ignition electrode wire is secured to the electrode support at least largely orthogonally to the vertical plane of the electrode support, and the ignition electrode wire protrudes from the ignition electrode ceramic and extends to the electrode tip thereof while curving towards the ground electrode in such a way that the electrode tip moves in a circular path relative to the ground electrode under the effect of gravity in the event of an aging-related deformation of the ignition electrode wire such that the ignition distance to the ground electrode remains constant and / or decreases. 2.3 The invention also relates to a use for heating devices of caravaning vehicles.

The application discloses a honeycomb matrix plate type ultra-low nitrogen gas burner, which comprises a burner head, a gas pipeline connected with the burner head and an air channel connected with the burner head; the burner head comprises a gas bin and an air bin, one end of the air bin is connected with the air channel, one end of the gas bin is connected with the gas pipeline, and a distribution cover is arranged on the burning end of the burner head and connected with the gas bin and the air bin; a combustion nozzle and an ignition port are arranged on the distribution cover, the combustion nozzle is distributed in a honeycomb shape on the distribution cover, and the ignition port is at least provided with two and is staggered with the combustion nozzle; the honeycomb matrix plate type ultra-low nitrogen gas burner can realize multi-point combustion, multi-point cross ignition and low nitrogen emission.

A low NOx burner system using two-fluid injection according to the present invention comprises: a water supply unit that pumps water from a water storage tank therein and supplies the water to a steaming unit in a combustion chamber via a water supply pipe; a pyrolysis oil supply unit that pumps pyrolysis oil from a pyrolysis oil storage tank therein and supplies the pyrolysis oil to an injection nozzle unit in the combustion chamber via a pyrolysis oil supply pipe; a starting oil supply unit that pumps a starting oil from a starting oil storage tank therein and supplies the starting oil to the injection nozzle unit in the combustion chamber via a starting oil supply pipe; and a precipitate discharge unit that is provided in a longitudinal-transverse joint zone of a pyrolysis supply pipe disposed between the pyrolysis oil storage tank and the injection nozzle unit, and can discharge precipitates contained in the pyrolysis oil and precipitated under the control of a control unit.

A flame producing assembly comprising a pocket lighter (12) and a sub-unit assembly (14) comprising an extended wand (42), a rigid support (44) and an helical spring (46), the pocket lighter (12) being connected to the sub-unit assembly (14), the pocket lighter (12) comprising a piezoelectric ignition device (18), the rigid support (44) being located inside the extended wand (42), the rigid support (44) having an longitudinal inner opening (64), the extended wand (42) being electrically coupled to the piezoelectric ignition device (18), wherein the pocket lighter (12) is connected directly to the sub-unit assembly (14) and wherein the helical spring (46) extends along the longitudinal inner opening (64).

A vaporizer of a multi-flame igniter comprises an air-mixing tube (1), a first connecting seat (2) and a plurality of injection heads (4), wherein a mounting recess with an opening at the upper end is formed on the first connecting seat (2); the air-mixing tube (1) is fixed to the first connecting seat (2); a vent hole (21) communicating the air-mixing tube (1) with the mounting recess is provided in the bottom of the mounting recess; a main air outlet (41) and a plurality of auxiliary air outlets (42) are provided in each of the injection heads (4); the plurality of injection heads (4) are directly or indirectly mounted in the mounting recess of the first connecting seat (2); and after the injection heads (4) are mounted in place, an air passage gap, which communicates the vent hole (21) with the main air outlets (41) and the auxiliary air outlets (42) of the plurality of injection heads (4), is formed between the bottoms of the injection heads (4) and the bottom of the mounting recess.

A method for the failsafe and lean ignition of a fuel gas-air mixture on a gas burner (6), which is mixed in a mixing device (4) arranged upstream of the gas burner (6). A control valve (2) along the fuel gas flow path has an actuator (21) and a throttle element (23), moved by the actuator (21), for the closed-loop control of a flow rate of the fuel gas flowing into the mixing device (4). A test is performed to determine whether the throttle element (23) is in the throttle reference position when the actuator (21) is in the actuator reference position. The throttle element (23) is moved in a flow rate-increasing manner starting at a start time (tD). The flow rate-increasing movement of the throttle element (23) is stopped as soon as at least one of multiple predetermined termination conditions occurs.

A one-piece combination valve, including: a valve body, provided with an air guide chamber and an air inlet chamber, the air guide chamber being configured with a first air outlet and a second air outlet; an electromagnetic valve assembly, fixedly connected to the valve body; and a plug valve assembly, connected to the valve body. A plug valve core of the plug valve assembly is driven under force to translate toward an electromagnetic valve core of the electromagnetic valve assembly and to be abutted against the electromagnetic valve core, so that the air guide chamber is in communication with the air inlet chamber, or a plug valve core of the plug valve assembly is driven under force to be rotated about a central axis of its own, so that at least one of the first air outlet and the second air outlet is / are in communication with the air guide chamber.

The application discloses a snail-shaped element combustor ignition and stable combustion device and method, which comprises an inlet structure, a combustor shell, a wall surface necking concentration weir, an arc-shaped expansion channel, an outlet structure and an ignition device; the inlet structure is connected to one side of the bottom of the combustor shell, and the outlet structure is connected to the other side of the bottom of the combustor shell; the arc-shaped expansion channel and the wall surface necking concentration weir are arranged on the inner wall of the combustor shell, the arc-shaped expansion channel is located on the side where the outlet structure is arranged, and the arc-shaped expansion channel is a cold pulverized coal gas flow outlet channel, receives a high-speed primary air flow and mixed high-temperature flue gas flow, gradually expands along the circular shell, continuously receives radiation and mixed heating of a flame center in the expansion flow process, and is ignited stably; the wall surface necking concentration weir is located on the side where the inlet structure is arranged, the wall surface necking concentration weir concentrates un-gasified hot coke powder in high-temperature gas, and sends the un-gasified hot coke powder to a primary air nozzle outlet, so that the concentration and heat of the coal coke powder at an ignition position are increased; and the ignition device is arranged at the outlet of a primary air flow deformation channel or the primary air nozzle outlet.

The invention discloses a burner assembly and a cooker. The burner assembly includes a first burner and a second burner. The first burner is of a ring shape and has first flame holes formed on an inner circumferential edge of the first burner. The second burner is of a ring shape and has second flame holes formed on an inner circumferential edge of the second burner. The second burner is disposed above the first burner and has an inner diameter greater than an inner diameter of the first burner. In the burner assembly, the second burner is disposed above the first burner, and the inner diameter of the second burner is greater than the inner diameter of the first burner. Therefore, when ignition of the first burner is successful, the second burner can be ignited from an inner circumference of the second burner in a manner of flame upward spread, to ensure flame uniformity of a pot bottom. This design is simple in structure, and convenient and quick.

The present disclosure relates to a combustor. The burner includes: a main body; a cover disposed on the top of the main body and coupled to the main body to define a mixing tube in which gas and air flow and are mixed with each other; and a head disposed on top of the cover and configured to generate a flame, in which the head includes: a first flame generating portion disposed in a central region of the head; and a second flame generating portion disposed in an outer region of the head. The body, the cap, and the head are configured such that gas discharged from the mixing tube flows through the cap and to a central region of the cap, then is divided into a plurality of portions in the central region of the cap, then one portion thereof flows into the first flame generating portion, and the other portion thereof flows to an outer region of the cap and into the second flame generating portion.

The burner (1) for industrial kilns, comprises: - one tubular body (2) extending longitudinally along an axis of development (S) and defining one first duct (3) for the flow of a comburent fluid towards a combustion area (A); - one tubular element (6) associated with the tubular body (2), arranged within the first duct (3) and defining one second duct (7) for the flow of a combustible fluid; one combustion head (10); - ignition means (15, 16); wherein: - the tubular body (2) comprises one first tubular portion (17) and one second tubular portion (18), wherein the first tubular portion (17) is associated with the second tubular portion (18) in a sliding manner; - the combustion head (10), the ignition means (15, 16) and the tubular element (6) are associated with the first tubular portion (17) and are movable jointly therewith during the relevant sliding.

A method for starting a heating appliance (1) is proposed, comprising a conveying device (2) for conveying a combustion mixture of fuel gas and combustion air to a burner (3), an ignition device (12) for the combustion mixture, and a gas valve (5), wherein, prior to the commissioning of the conveying device (2), the gas valve (5) is briefly opened (32), thereby filling the gas valve (5) with fuel gas. The duration of the brief opening (32) of the gas valve (5) can be a maximum of half the regular safety period (35) for commissioning the heating appliance (1). This reduces the influence of time delays, caused by a longer period since the last interruption of burner operation, between the opening of the gas valve (5) and the commencement and stabilization of the fuel gas flow.

A burner includes a fuel supply part that supplies fuel to a combustion chamber, an air supply part that includes a blower that blows air to the combustion chamber according to rotation of the blower and an air supply duct connected to the blower so that air is delivered to the blower from the outside, an ignition part that generates a spark so that the supplied fuel and air are ignited, a pressure acquisition part connected to the air supply duct so that a pressure of the air supplied to the air supply part is acquired, and a processor electrically connected to the air supply part and the pressure acquisition part and controlling the blower so that a speed of the rotation of the blower is increased when a pressure value acquired by the pressure acquisition part is less than a predetermined reference pressure value.

A cooking device is provided. The cooking device includes a frame that forms a cooking chamber; a burner provided inside the frame and having a plurality of gas outlet holes; an ignition unit provided inside the frame to ignite a mixed gas discharged from at least one of the plurality of gas outlet holes; and a fixing device to affix a position of the ignition unit with respect to the burner.

A gas burner (1) according to one aspect of the present invention includes a fuel supply pipe (10) extending in a predetermined combustion air jet direction and supplied with fuel gas, an air jet port (40) arranged around the fuel supply pipe (10) and jetting combustion air in the combustion air jet direction, and multiple outflow nozzles (70) extending so as not to protrude outward from the fuel supply pipe (10) beyond the air jet port (40) and so as to form an acute inclination angle with respect to the combustion air jet direction and having tip ends forming fuel outlet ports (71) through which the fuel gas flows out.

Disclosed in the present invention are: a hydrogen burner forming a flat flame, in which a plurality of nozzles are arranged on a plane, allowing formation of a flame having a shape corresponding to the plane, in front of the plane; and a control method capable of preventing the backfire phenomenon of the hydrogen burner.

An ignition system for igniting a gas burner of an appliance includes a gas burner, an electric igniter assembly, a pilot light, and a controller. The pilot light is ignitable by the electric igniter assembly. The controller is configured to operate the electric igniter assembly for ignition of the gas burner, detect a power disruption event, ignite the pilot light using the electric igniter assembly in response to detecting the power disruption event, and use the pilot light for ignition of the gas burner during the power disruption event. Methods of operating the ignition system for igniting the gas burner of the appliance are also provided.

A method for commissioning a heating appliance (1) comprising a conveying device (2) for conveying combustion air to a burner (3), a Venturi device (15) which is arranged downstream of the conveying device (2) with respect to a flow direction (16) of the heating appliance (1), a gas valve (5) which is configured to add fuel gas to a mass flow of the combustion air conveyed by the conveying device (2), a flame detector (19) and an ignition device (18), wherein the heating appliance (1) starts up to a predetermined starting power of the conveying device (2) during commissioning, comprising the following steps: a) detecting an ignition period (23) from the opening of the gas valve (5) until a flame is detected by the flame detector (17), b) comparing the ignition period (23) detected in step a) with a previously known reference period (36), and c) adjusting the starting power of the conveying device (2).if a deviation identified in step b) as part of the comparison reaches or exceeds a predetermined value.