65 results about "Gas burner" patented technology

The present invention relates to a gas-fired pizza oven (100, 300) comprising an oven cavity (120) having a pick-up port for receiving food into the oven cavity (120) for cooking and for removing cooked food, the pick-up port being located at a front end of the gas-fired pizza oven, and at least one elongated gas burner (128a, 128b, 228, 328a, 328b, 428, 528).

The utility model provides a novel coal gas burner belongs to the energy and power engineering technical field to solve the existing air and coal gas valve door are closed simultaneously, easy to cause the stifled explosion or the tempering, there is certain security hidden danger's problem, including the burner main part, the combustion chamber, the combustion air pipe, the operation shelter board, the filter spoiler mechanism and the safety protection mechanism, the combustion chamber fixed connection is in the left side of the burner main part, the combustion nozzle passes through the flange fixed connection in the left side of the combustion chamber, the combustion air pipe is fixed connection respectively in the below of the air inlet filter chamber, a group of combustion air pipe and air inlet pipeline intercommunication, another group of combustion air pipe and coal gas pipeline intercommunication, the operation shelter board sets up respectively in the valve door before combustion air pipe, the filter spoiler mechanism sets up in the inside top of air inlet filter chamber, the safety protection mechanism sets up in the outside of operation shelter board, has reduced the stifled explosion and the tempering risk, has improved the security of whole burner use.

The utility model discloses a kind of smoking gas pizza ovens, including the furnace body with cooking furnace cavity and gas burner head assembly, gas burner head assembly is used to heat the pizza in cooking furnace cavity, furnace body is equipped with smoking furnace cavity, smoking furnace cavity is equipped with flue and smoking box assembly, smoking box assembly is communicated with cooking furnace cavity by flue, the heat of gas burner head assembly is used to make the wood in smoking box assembly oxygen deficiency combustion production smoke, smoke enters cooking furnace cavity for smoking cooking furnace cavity pizza in flue. The utility model is heated while using gas pizza, also make wood oxygen deficiency combustion to produce smoke by gas, realize smoking pizza by smoke, so that the pizza cooked is brought on wood flavor, satisfy user's use requirement.

This invention proposes a pressurized gasification ash melting solid waste system based on Brown gas activation, comprising: a Brown gas generation and supply unit; an ash slag feeding and activation melting core unit, including a cyclone melting furnace equipped with a Brown gas burner connected to the Brown gas generation and supply unit, used to receive Brown gas and burn it to generate an ultra-high temperature field and a free radical-rich atmosphere, causing the ash slag to melt and undergo an activation reaction at 1500℃~1700℃; a slag treatment and resource utilization unit, connected to the cyclone melting furnace, used to rapidly cool and solidify the high-temperature molten ash slag to form glassy particle products; and a flue gas energy recovery unit, used to recover the heat energy of the high-temperature flue gas and feed it back to the Brown gas generation and supply unit. This invention uses Brown gas as activation fuel to achieve rapid melting of ash slag and chemical solidification of heavy metals at ultra-high temperatures of 1500℃~1700℃, while significantly reducing external energy consumption through a closed-loop flue gas energy feedback system, thus significantly improving the efficiency of harmlessness and resource utilization.

The present invention provides a combustion device that can rationally and appropriately suppress issues such as flashback and overheating of the gas burner in accordance with the type of fuel gas. [Solution] The combustion device C is equipped with a gas type determination means 50. When the gas type determination means 50 determines that the fuel gas is a specific type of fuel gas, the control means 5 performs a specific control that shifts the combustion stage of the gas burner 2 to a combustion stage with lower combustion power than the predetermined combustion stage and increases the drive speed of the fan 4 compared to when it is in the specific combustion state.

The application discloses a kind of including ignition gun, center tube, inner secondary air channel, outer secondary air channel;Outer secondary air channel and including connected outer secondary air inlet pipe and outer volute;Inner secondary air channel includes connected inner secondary air inlet pipe and inner horizontal pipe;Between outer volute and inner horizontal pipe is equipped with low calorific value gas nozzle, low calorific value gas nozzle is connected with low calorific value gas inlet pipe, and cyclone vane is equipped in low calorific value gas nozzle;A flame stabilizer is placed in the front end of inner horizontal pipe and is fixedly connected with center tube, and the inner horizontal pipe is equipped with the several gas jet guns in two or more than two concentric annular arrangement in the radial outer side of flame stabilizer, and the head of each gas jet gun is equipped with several small holes;Different annular gas jet guns are connected with respective inlet pipe.The application can realize multi-gas arbitrary proportion mixed combustion, ensure good mixing of gas and air, realize reasonable combustion zoning, and while maintaining stable combustion process, high burnout rate, realize low NOx emission.

The utility model discloses a kind of gas burner tip side fire device, including burner tip and the combustion cavity being set in the burner tip, the burner tip end face of the combustion cavity side is provided with fire mechanism, the burner tip lower end surface is provided with main air inlet pipe, the fire mechanism includes the seat body being set on the burner tip outer side wall, and along the seat body through and set with ignition needle and long-lasting fire gas pipeline, the long-lasting fire gas pipeline is communicated with the main air inlet pipe, the long-lasting fire gas pipeline export is aligned with the ignition needle, the seat body is provided with the air passage pipeline being communicated with the combustion cavity. The utility model can realize long-lasting fire relatively long-term combustion on the basis of keeping simple structure, reduce the occurrence of extinguishing condition, more conducive to normal use.

This invention relates to the field of plasma ignition and combustion technology, and particularly to a low-concentration gas burner with plasma-assisted combustion and its operation method, which prevents backfire. The technical solution includes a primary path assembly comprising a first flame-arresting cyclone and a plasma discharge section. The plasma discharge section is located downstream of the first flame-arresting cyclone and includes a central anode and a grounding electrode sleeve, which are coaxially arranged, forming a discharge gap between them. It also includes a secondary path assembly comprising a secondary air inlet sleeve and a second flame-arresting cyclone. This invention integrates multi-stage composite flame arrest, cyclone stabilization, Laval tube acceleration, and plasma ignition through coaxial nesting, resulting in a compact structure, high flame arrest efficiency, good ignition and flow field coordination, reliable operation, and strong adaptability to various operating conditions.

The utility model relates to a gas burner technical field, concretely relates to a kind of guide plate for mixing, including integrally-formed center ring part and outside ring part, the outside ring part is concentrically arranged with center ring part, center ring part forms the center through-hole matched with deflector, the edge of center through-hole is provided with several deflector mouth, when mixed gas of gas and air is transported to the below of guide plate from gas extraction pipeline, from deflector mouth place to rise to the above of guide plate.The utility model optimizes the structure of guide plate, and mixed gas of guide gas extraction pipeline is guided into the mixed cavity in the above, helps to realize the uniform stable flow of gas, has promoting effect for subsequent stable combustion, to improve the efficiency of combustion, avoid deflagration and eliminate explosion.

The invention relates to a cookery device for outdoor conditions. The cookery device comprises a camping stove structure (108) and a gas burner (110) for generating a gas flame and performing the cooking function, and a grill converter (100) attachable to the camping stove structure (108). The grill converter comprises a flame distribution plate (106) for receiving and directing the gas flame, and a frying pan (102) which is placed over the flame distribution plate for grilling food.

Fuel cell system 100 comprising at least one fuel cell stack (11), an anode system in which an anode supply line (202) and a recirculation line (203) are arranged, a cathode system in which a cathode supply line (302) and a cathode outlet (303) are arranged, a fuel tank (201) and a cooling circuit (400) in which a coolant is recirculated, wherein a gas burner (401) is arranged in the cooling circuit (400).

This utility model relates to the field of biomass gas technology, and in particular to a biomass gas burner, including a frame plate. A burning bin is fixedly installed on the top of the frame plate, and a chopping structure is fixedly installed on the top of the burning bin. The chopping structure includes a feeding bin and a support rod. During combustion, the raw material is fed into the chopper, chopped, and then driven by a second motor, its output shaft rotates the feeding auger to pour the chopped material into a filter ring. The material accumulates in the filter ring, where it is dried by a drying fan. Simultaneously, driven by a first motor, its output shaft rotates a roller within the filter ring, thus crushing the accumulated material fragments from the filter ring through the holes. These fragments can then be fully combusted, thereby achieving the purpose of pulverizing biomass into easily combustible and non-clogging sizes before combustion, improving combustion efficiency and stability.

The utility model relates to a gas burner technical field, concretely relates to a kind of gas jet device, including support main body, support main body is connected with several gas supply components and several gas supply channels, at least one gas supply channel is connected with at least two gas supply components to provide gas.The utility model improves the setting mode of gas supply channel, supplies gas simultaneously by multiple gas supply components, improves the directionality of gas supply, is convenient to form uniform stable airflow, improves the stability and reliability of combustion, avoids the occurrence of deflagration and explosion during combustion.

This utility model relates to the field of gas burner technology, specifically a high-efficiency and energy-saving gas burner, comprising a device body, which includes an outer shell, an adjustment component, and a filter component. The outer shell has a connector at its front end and a flame nozzle at its outer end. A fan is located at the rear end of the outer shell. A controller is connected to one side of the fan, and an air inlet pipe is located on the other side. A rear cover is provided on the outside of the controller and the fan. The adjustment component is located at the bottom of the outer shell and includes a base and a movable frame. The filter component is located at the front end of the air inlet pipe and includes an outer frame and a mounting frame. It allows for vertical rotation adjustment of the flame nozzle, reducing losses caused by incomplete combustion, improving the thermal efficiency of the equipment, facilitating effective filtration of the air entering the burner, and preventing dust particles in the external gas from affecting the burner.

The present application relates to a kind of low nitrogen gas burners for pyrolysis gas, comprising: pyrolysis gas inlet passage, combustion air inlet passage, pyrolysis gas flue gas recycling passage, combustion air flue gas recycling passage, ignition gun, burner shell, precombustion chamber shell, flow guide cover.The burner of the present application can adapt to the characteristics of complex pyrolysis gas composition, large heat value fluctuation, realize the efficient low-nitrogen combustion of pyrolysis gas, and solve the technical problems such as coking and easy to block in the pyrolysis gas combustion process.The burner of the present application is mainly used for treating pyrolysis gas generated in the process of biomass pyrolysis, municipal solid waste pyrolysis gasification, organic solid waste pyrolysis, etc., to realize the clean and efficient combustion and utilization of pyrolysis gas, and can also be applied to other low-nitrogen gas combustion fields.

This utility model relates to the field of gas burner technology, specifically to a gas flow channel structure for preventing leakage, comprising an upper gas shell and a lower gas shell, which are connected to form a gas flow channel; the mating edges of the upper and lower gas shells form a folded edge structure. This utility model, through the folded edge fit of the upper and lower gas shells, forms a sealed structure after docking, which not only creates an irregularly shaped cavity to aid in gas transport and mixing, but also ensures the airtightness of gas transport, preventing leakage during transport, and controlling the overall processing cost of the gas flow channel.

This utility model relates to the field of gas burner technology, specifically to a flow divider plate for the mixing chamber of a burner. It includes an intermediate cylinder with an annular panel at its upper end. A plurality of air holes are evenly distributed along the circumference of the annular panel, extending obliquely from the lower surface to the upper surface of the annular panel. By optimizing the flow divider plate structure, this utility model guides the gas entering the mixing chamber of the burner, ensuring a stable flow and combustion from the lower chamber to the upper chamber. This avoids uneven gas flow or backflow, thus preventing deflagration during ignition and popping noises during ignition shutdown, thereby guaranteeing stable combustion.

This utility model relates to the field of gas burner technology, specifically a positive pressure prevention device for gas burners. The utility model includes a mounting plate, with a circular tube fixedly connected to the right end of the mounting plate. A circular baffle is fixedly connected to the arc surface of the circular tube, and an air hole is provided at the left end of the circular baffle. A push plug is provided on the inner wall of the circular tube, and a sealing block is fixedly connected to the left end of the push plug. When it is necessary to prevent damage to the burner caused by boiler positive pressure, the mounting plate and the burner are fixed. The instantaneous positive pressure and large amount of hot flue gas in the boiler pushes against the push plug, causing the sealing block to be pushed and blocking the air hole on the circular baffle. This indirectly prevents a large amount of hot flue gas from entering the burner, thereby effectively solving the problem of damage to the equipment caused by a large amount of hot flue gas under instantaneous positive pressure. It also helps to prevent and reduce hot flue gas backflow, reduce the risk of equipment damage, and reduce the occurrence of high-temperature burn accidents.

A hydrogen gas burner includes a first, axially extending, tubular pipe having an axial slot in a sidewall thereof. An axially elongate duct projects radially outwardly from the axial slot and is in fluid communication with an interior of the pipe. The axially elongate duct has through-holes formed through a wall thereof, communicating the interior of the pipe with an exterior thereof. A second, axially extending, tubular pipe, has an axial opening in a sidewall thereof, the axial opening spanning at least a portion of an axial extent of the second pipe. The first pipe is substantially nested within the second pipe and the axially elongate duct projects radially outwardly through the axial opening. A combination gas valve and pressure regulator fluidly connects hydrogen gas with the first pipe. An igniter ignites and initiates combustion of the hydrogen gas exiting from the first pipe and duct via the through-holes.

The utility model discloses a kind of gas stove head devices, including stove head and the air inlet pipe being connected below the stove head, air door mounting hole and main fire air inlet pipe are provided on the air inlet pipe away from the one end of the stove head, mixed gas combustion chamber is provided on the stove head, igniter is provided on the stove head at the position of mixed gas combustion chamber, inner drain pipe is provided on the stove head at the position of mixed gas combustion chamber, fixed seat is provided on the lower end surface of the stove head at the position of the inner drain pipe, outer drain pipe for covering the inner drain pipe is provided on the fixed seat, and the lower end surface of the inner drain pipe is open design, and the outer drain pipe side is provided with drain port, the lower end surface of the inner drain pipe is below the position of the drain port. The utility model is based on reasonable design, can realize the automatic discharge of internal ponding, avoid the extinguishing of flame, more conducive to the use of user.

This invention discloses a protective combustion cylinder assembly for a gas burner in the field of burner technology, comprising: a combustion cylinder body and a PLC controller. A protective sleeve is fitted onto the outer wall of the combustion cylinder body. The protective sleeve includes a first component and a second component sequentially from the outside to the inside. A first heat exchange chamber is provided between the first component and the second component, and a second heat exchange chamber is provided between the second component and the combustion cylinder body. A temperature detector is provided in the first heat exchange chamber, and the first heat exchange chamber is connected to a delivery pump. This invention, by covering the outside of the combustion cylinder body with the protective sleeve, isolates personnel from direct contact with the combustion cylinder body. Furthermore, the protective sleeve is divided into a split structure of the first and second components, forming a double-layer physical isolation barrier, further reducing the intensity of heat diffusion outward, significantly lowering the surface temperature of the outer protective sleeve, avoiding burns caused by accidental contact, and significantly improving the safety of burner operation.

The application relates to the technical field of gas burners, and particularly discloses a gas burner which comprises a burner main body, an air cavity and a gas cavity on the burner main body, and at least two combustion head modules, each of which comprises an air pipe and a first gas pipe, one end of the first gas pipe is provided with a connecting head, a guide pipe is fixedly arranged on the connecting head, the connecting head is provided with a gas connecting channel which is in communication with the first gas pipe, and at least two gas outlet pipes which are in communication with the gas connecting channel are fixedly arranged on the connecting head; the gas burner adopts the structure of multiple combustion head modules, and each combustion head module adopts the structure of multiple second gas pipes, so that the gas can be uniformly dispersed, the sufficiency of gas combustion is improved, the combustion temperature is also uniformly dispersed, the combustion temperature is constant, the situation that the local temperature is high is avoided, the generation of nitrogen oxides is effectively reduced, and the emission amount of nitrogen oxides is reduced.

The present application relates to the technical field of combustion equipment, and discloses a gas burner capable of efficient combustion, which comprises a burner main body, a blast box arranged at the top of the burner main body, and a combustion chamber arranged outside the blast box, and further comprises an adjusting mechanism arranged at the top of the combustion chamber; the adjusting mechanism comprises an outer shell arranged at the top of the combustion chamber, a heat conduction rod arranged inside the outer shell, a sliding groove opened at the top of the outer shell, a sliding block arranged inside the sliding groove, a cross rod arranged at the top of the sliding block, the top of the sliding block being fixedly connected with the cross rod, an expansion hole opened at the end of the cross rod away from the sliding block and penetrating into the inside, a probe arranged at the end of the expansion hole close to the sliding block, the bottom end of the probe being slidably connected with the heat conduction rod through the sliding block, a knob arranged at the sliding connection position between the sliding block and the outer wall of the outer shell, and a bimetallic strip arranged at the top end of the probe. By arranging the adjusting mechanism, the supply amount of the gas is automatically adjusted, and the heat generated by combustion is used as a power source, so that the power or other external energy sources are not needed.

The utility model provides a kind of mounting structure of gas stove valve body, including the valve body and clamping plate relatively clamped in the both sides of gas pipe, gas hole is set up on gas pipe, the side of valve body is equipped with the air inlet corresponding with gas hole, air inlet is equipped with the mounting arm extending respectively upwards and downwards outside, and clamping plate edge is provided with positioning groove, and mounting arm is clamped in positioning groove.When assembling, the side of valve body with gas hole can be aligned with the air inlet on gas pipe, and clamping plate is buckled to valve body from the outside of gas pipe, since the edge of clamping plate is provided with positioning groove, when clamping plate is buckled to valve body, it is easy to align the mounting arm on valve body with positioning groove, ensure that the relative position of clamping plate and valve body will not be offset, make assembly quick and convenient, especially when gas stove has multiple burner, when multiple corresponding valve body is connected with same gas pipe, by aligning each positioning groove with corresponding valve body, quick and accurate assembly can be realized, reduce assembly difficulty and improve assembly efficiency.

The utility model discloses a kind of temperature control structure of metal product heating furnace, it is related to heating furnace field, to solve the problem that the heating furnace in prior art is not set air and gas input temperature control mechanism, leading to air and gas into heating furnace when temperature is lower, influence combustion efficiency.The heating furnace main body rear end is provided with heat exchange water tank, the heating furnace main body both sides end face middle part is connected with gas delivery pipe, two the gas delivery pipe front end extends to heating furnace main body inside and is uniformly fixed with gas burner, the heating furnace main body upper end surface middle part is fixed with air pipe, the air pipe rear end is fixedly connected with the upper end of heat exchange water tank front end surface, the heating furnace main body rear end middle part is fixed with flue, the flue rear end is fixedly connected with the heat exchange water tank front end surface, by setting heat exchange water tank and three-stage heat exchange structure, preheat gas and air using high-temperature flue gas waste heat, combustion efficiency of gas is significantly improved.

The utility model relates to the technical field of electric combustion stoves, in particular to a nozzle and electrode installation structure which comprises a ceramic seat, an electrode body, a nozzle body and a wiring piece, an embedded end is arranged at the bottom of the ceramic seat, a first installation cavity is formed in the top end of the ceramic seat, and a second installation cavity is formed in the embedded end. The ceramic seat is directly embedded into the lower shell of the electric combustion disc through the embedded end, the electrode body is installed in the first installation cavity of the ceramic seat, the wiring piece is connected with the electrode body in the second installation cavity, and the nozzle body is directly clamped at the top end of the ceramic seat and penetrates through the upper shell of the electric combustion disc. The whole structure is fixed through the upper shell and the lower shell of the electric combustion disc, meanwhile, installation of the nozzle body and the electrode body is completed, the ceramic base is used as a base body, the electrode body, the nozzle body and the wiring piece are integrated, installation of a fastener is omitted, and therefore the labor cost and the time cost are reduced, and the installation efficiency is improved.

The application provides an in-situ cracking and modification method for preparing nanometer catalysts in a well, which comprises the following steps: sending a nanometer catalyst precursor into a gas burner while the gas burner is heating a stratum; under the high-temperature condition generated by the gas burner, using the principle of generating nanometer crystals by a gas phase method to make the nanometer catalyst precursor react to generate nanometer catalysts which can promote the conversion of organic matter in shale and low-mature shale into light oil; and under the driving of tail gas generated by the gas burner, the generated nanometer catalysts are carried into the oil shale layer together with the tail gas to catalyze the conversion of the organic matter. The preparation method belongs to a heating method which can save energy, improve the energy utilization rate of low-mature shale oil and oil shale, and reduce the cost. The catalyst particles prepared by the gas phase method are small, the in-situ synthesis has good carrying property, and the use of water in the traditional fracturing fluid carrying process is avoided.

A fuel cell system comprising a burner assembly (10) with a hollow longitudinally elongate body (12) extending along a central axis (12') and having a first end (20) and a second end (30), a burner wall (40) located between said first end (20) and said second end (30), and defining a first volume (52) from said first end (20) to said burner wall (40), and a second volume (62) from said burner wall (40) to said second end (30), an oxidant inlet (70) into said first volume (52), the oxidant inlet (70) for providing an oxidant flow therethrough, and at least one hollow elongate burner (100) abutting said burner wall (40) or extending through an opening in said burner wall (40) from said first volume (52) to said second volume (62). The elongate burner (100) comprises a burner plate (156) or mixer (150) having a first side opening into said first volume (52), and a second side opening into said second volume (62), a first fuel inlet (125) into said first volume (52) for feeding a first fuel from a first fuel passageway to said first volume (52) and a second fuel inlet (135) into said second volume (62) for feeding a second fuel from a second fuel passageway to said second volume (62). The system further comprises at least one connection (810, 812) for selectively connecting the first fuel passageway to the second fuel passageway for delivery of a mixture of the first fuel and second fuel to the second fuel inlet (135).

The utility model discloses a kind of premixing gas stove head and gas cooking utensils, premixing gas stove head includes combustor main body, fire cover and air inlet pipe, combustor main body is equipped with annular gas cavity of upside opening, fire cover is located at the upside of combustor main body, air inlet pipe is connected in combustor main body and is equipped with with annular gas cavity intercommunication air inlet passage, air inlet pipe is equipped with first pipe part and second pipe part, first pipe part is equipped with for input fuel first passage, second pipe part is equipped with for input air or oxygen second passage, first passage and second passage are all intercommunication in air inlet passage, first pipe part and second pipe part one of two is located in the end of air inlet pipe, another is correspondingly located in the side of air inlet pipe, the bottom wall of annular gas cavity is equipped with the guide groove of spiral structure, the end of guide groove is butt joint with air inlet passage. The utility model can make fuel and air (or oxygen) meet in air inlet passage and mix and spiral input to annular gas cavity along guide groove, realize better premixing effect.