513 results about "Gas burner" patented technology

The present invention discloses a gas infrared radiation and hot air dual-mode drying furnace for drying printing inks, which comprises a furnace body housing. Inside the furnace body housing, there are a heating chamber and two machine position chambers. The two machine position chambers are symmetrically distributed at the top and bottom of the heating chamber. An inlet and an outlet penetrating through the furnace body housing are respectively arranged on both sides of the middle of the heating chamber. The present invention heats printing paper through two modes of gas infrared radiation and hot air. Due to the physical properties that infrared rays can penetrate and objects can actively absorb the heat of infrared rays, the ink and the interior of the paper can be quickly heated. In the later stage, the high-temperature flue gas waste gas generated by the front-end gas infrared radiation burner is used, and is guided to the air knife for drying through the hot air circulation mode by a blower and a forced air blower. The gas consumption of the burner is lower, and the heating speed is faster, further reducing the gas energy consumption. Under the condition of the same gas consumption, the speed of the printing press is significantly increased, meeting the requirement of lower gas energy consumption of existing conventional gas burners.

This present invention relates to a single body air treatment system for recreational vehicles and is a combination of components working in a scheme so to provide heating, cooling, dehumidification, ventilation, air-purification, heavy-duty drying, into a single body. The system comprising of a cooling air plant having a refrigerating cycle (105,107,108,109) and air heat exchangers acting with electricity and a heating plant having an incorporated fuel / Natural-Gas burner (118,119) acting as air furnace. The system operates heating and cooling simultaneously with in the same air-flow and provides air purification through an antibacterial electrical device. The system also integrates extra pipes to produce extra hot-water in winter while the system operates in heating. The system is integrated with a dedicated resonator chamber to minimize the external noise produce by extraction blowers.

The application relates to the technical field of gas stoves, in particular to a gas burner and an updraft combustion burner. The gas burner comprises a circumferentially arranged outer ring structure, which comprises an inner ring wall and an outer ring wall, the outer ring structure forms an outer ring flow channel and a mixing cavity which are communicated with each other; an outer ring ejection pipe arranged below the outer ring flow channel, the outlet of the outer ring ejection pipe is communicated with the mixing cavity; and a shunt plate buckled in the outer ring structure, the shunt plate is provided with a first shunt area and a second shunt area, the first shunt area is arranged above the outer ring flow channel in correspondence, and the second shunt area is arranged above the mixing cavity in correspondence. The updraft combustion burner comprises the gas burner. The technical problem that the gas and air of the updraft combustion burner are not mixed sufficiently and the performance of the combustion burner is affected is solved.

A heating system for use with a can dryer or oven includes a gas burner, an electrical heating element, a heating chamber structured to heat cans using air heated by the gas burner and / or the electrical heating element, a circulation system structured to move air from the gas burner and the electrical heating element to the heating chamber, and a control system structured to selectively control the gas burner and the electrical heating element to switch between a first mode where the gas burner and the electrical heating element are active and both heat air provided to the heating chamber and in a second mode where the gas burner is inactive and the electrical heating element is active.

A combustion membrane (14) for a gas burner (2) comprises a fabric or mesh (21) of interlaced metal threads (22), having two opposite interlacing surfaces (19, 20) which form a combustion surface (19) and an inner surface (20) of the fabric / mesh (21), respectively, wherein the metal threads (22) are formed by twisted metal fibers (22) to form a yarn and:the individual metal fibers (22) are shorter than the yarn (22) formed therefrom, and free ends (22″) of the metal fibers (22) protrude divergently from the yarn (22) along its longitudinal extension and make the yarn (22) hairy, andthe metal thread (22) is a yarn (22) of mass per length in the range from 0.8 g / m to 1.4 g / m.

The utility model discloses an efficient organic wastewater evaporation device which comprises a funnel-shaped evaporator, an evaporation chamber is arranged in the funnel-shaped evaporator, a gas pipe, an immersion pipe and a circulation baffle are arranged in the evaporation chamber, the gas pipe is communicated with the immersion pipe, an injection nozzle is arranged on the immersion pipe, the immersion pipe is located in the circulation baffle, and the circulation baffle is communicated with the gas pipe. The circulating baffle is used for improving the gas-liquid mixing and stirring effect. High-temperature flue gas is introduced into the gas pipe, the immersion pipe is immersed in liquid, high-temperature gas in the gas pipe is rapidly mixed with the liquid, subjected to heat exchange and evaporated after being sprayed out of the injection nozzles on the immersion pipe, in the heat exchange process, the liquid formed in the circulating baffle flows upwards and forms evaporated liquid, and descending flow is formed outside the circulating baffle. Liquid flow difference is formed inside and outside the circulating baffle, the effect of stirring liquid can be achieved, the liquid is stirred for heat exchange and evaporation under the effect of the liquid flow difference, and the efficiency of the evaporation device is greatly improved.

The utility model discloses a biomass gas combustion system capable of accurately controlling combustion. The system comprises a biomass gas burner, a biomass gas pipeline connected with the burner, an air blower, an air supply pipeline connected with the air blower and the burner, a tar collecting device in a hearth of the biomass boiler, an oxygen sensor arranged on a smoke exhaust pipeline of the boiler, a controller based on a PLC (Programmable Logic Controller) system, and an air blower frequency converter. Gas component, flow, temperature and pressure measuring devices are arranged on the biomass gas pipeline, and flow and temperature measuring devices are arranged on the air supply pipeline. The controller calculates the oxygen amount needed by biomass gas combustion and the oxygen amount provided by the air blower according to data fed back by the measuring device, and controls the air blower frequency converter to adjust the air amount of the air blower under correction of data fed back by the oxygen sensor on the boiler smoke exhaust pipeline, so that combustion is accurately controlled under the condition of partial load of the boiler, and the combustion efficiency is improved. The combustion efficiency is improved, and the pollutant emission is reduced.

The invention discloses a low-nitrogen gas burner suitable for various working conditions and a using method of the low-nitrogen gas burner. The low-nitrogen gas burner comprises an assembly cylinder, an outer-layer fire pan, a central fire pan, an inner-layer gas gun, an outer-layer gas gun and an oxygen gun. The height of the center fire pan is adjusted through the lifting assembly, and switching of three modes of air combustion supporting, oxygen-enriched combustion supporting and pure oxygen combustion supporting is achieved. The air adjusting assembly controls the combustion-supporting air flow; the flow comprehensive adjusting assembly adjusts fuel gas supply and oxygen supply in a linkage mode. The combustor adopts a staged combustion design, the inner-layer gas gun forms first-stage flame at a fire pan gap, the outer-layer gas gun and a combustion-supporting medium ejected from the central fire pan form second-stage combustion, and the temperature of the flame is reduced by ejecting hearth smoke. Cooperative control over all the executing mechanisms is achieved through the driving motor and the speed setting assembly, the beneficial effects that combustion modes are automatically switched, the flame temperature is accurately regulated and controlled, and emission of oxynitride is low are achieved, and the clean combustion requirements of different industrial furnaces can be met.

The invention discloses a multi-angle micro-pipe staged combustion rotational flow gas burner, and relates to the technical field of industrial burners and low-nitrogen combustion. According to the low-nitrogen combustor, the problem that the combustion stability and the nitrogen oxide emission control level are difficult to optimize at the same time due to the fact that an existing low-nitrogen combustor cannot achieve fuel uniform distribution on the microscale is solved. The device comprises an on-duty flame system, a main flame system, an air supply channel and a flue gas recirculation structure, the on-duty flame system realizes multi-angle uniform injection of fuel through a multi-angle fuel distribution device to form stable central on-duty flame; the main flame system realizes fuel grading through an inner and outer ring mixing pipe; the flue gas recirculation structure introduces backflow flue gas into the combustion area through the flaring of the mixing pipe and the entrainment opening of the arc-shaped air sleeve, the backflow flue gas is mixed with air or fuel gas, and the combustion temperature and the oxygen concentration are effectively reduced. Through the synergistic effect of staged combustion and flue gas recirculation, the effects of stable combustion, uniform flame and low NOx emission are achieved.

A cooktop appliance and a gas burner assembly are provided. The gas burner assembly is positioned at a top panel and includes an annular burner body positioned at a top surface of the top panel. The annular burner body forms a central combustion zone, a plurality of flame ports at the central combustion zone, and an annular mixing chamber upstream from the plurality of flame ports to permit a fuel-air mixture to flow into the central combustion zone through the plurality of flame ports. An annular burner base forms a bottom wall of the mixing chamber and an annular burner head forms a top wall of the mixing chamber. A puck including a domed projection separably positioned at the top surface of the top panel and extending toward the central combustion zone.

To significantly improve the combustion of a fuel gas containing at least 95% hydrogen by volume in a gas burner (10) for heating purposes, a burner body (16) for the gas burner (10) has been proposed, which, as a burner surface (38) for the passage of a premixed fuel gas-air mixture into a combustion chamber (14), has a perforated metal surface (40) which has through holes (48) such that less than 5% of the burner surface (38) is open. wherein the through holes (48) have hole diameters D with 0.4 mm ≤ D ≤ 1.0 mm, wherein the hole diameters D and / or hole lengths of the through holes vary.

The invention relates to a high-carbon-content mixed gas burner which comprises a connecting main pipe, a gas inlet pipe and a gas outlet pipe. The gas branch pipes are fixedly connected to the outer wall of the connecting main pipe in the circumferential direction, the interior of each gas branch pipe is communicated with the interior of the connecting main pipe, and a gas spraying hole is formed in the outlet end of each gas branch pipe; the steam supply assembly is arranged below the gas branch pipe and used for supplying steam to the combustor; each air distribution leading-in sleeve is correspondingly arranged outside the corresponding fuel gas spraying hole in a sleeving mode, and a mixing cavity is formed between each air distribution leading-in sleeve and the corresponding fuel gas spraying hole; according to the invention, the air distribution lead-in sleeve is arranged at the outlet of the multi-path gas branch pipe, the air distribution lead-in sleeve and the gas spray hole form the special mixing chamber, and the steam supply assembly is arranged below the special mixing chamber, so that steam and high-carbon gas are fully premixed before combustion by utilizing an injection effect, and the mixing uniformity and the reaction efficiency are remarkably improved.

The object of the present invention is a control method for verifying the presence of the flame in the combustion chamber (41) of a premixed gas burner (1), fed by an air and gas mixture mainly and / or essentially comprising hydrogen H2. The method is based on the use of at least one temperature sensor (6), the values whereof are sent to a control device (8) which uses them to calculate the derivative T′ over time of the temperature T to compare it to suitable feedback thresholds (Tau1, Tau2; Tau3, Tau4) to establish the ignition occurred, the ignition failure or flame extinguishment.

The present application relates to a kind of textile gas setting machine of configuration oxygen-rich control wet energy-saving system, the oxygen-rich control wet energy-saving system, including: oxygen-rich oxygen generator, with the one-to-one correspondence setting of gas burner on the textile gas setting machine, for generating oxygen-enriched air;Three-way bypass and bypass valve, with the one-to-one correspondence setting of gas burner, one end is communicated the oxygen-enriched air outlet of oxygen-rich oxygen generator, the other end is communicated the pipeline between corresponding gas burner and gas access solenoid valve on textile gas setting machine;High-temperature humidity sensor, with the one-to-one correspondence setting of each air draft section of the air draft branch pipe on the textile gas setting machine, for obtaining the exhaust gas discharge humidity parameter of setting machine section;Variable frequency control induced draft fan, replace the induced draft fan corresponding to the air draft branch pipe;Controller, with the variable frequency control induced draft fan, high-temperature humidity sensor connection;With the starting switch of connected gas burner, the oxygen-rich machine vacuum pump frequency converter circuit connection.

The invention belongs to the technical field of ferrous metallurgy, and relates to a reducing gas heating system and process for hydrogen metallurgy, the system comprises a heating furnace, a hydrogen-based shaft furnace, a decarburization device and gas connecting pipelines among the devices; the heating furnace is used for preheating reducing gas and supplying the reducing gas to the hydrogen-based shaft furnace; reaction gas generated by the hydrogen-based shaft furnace is decarbonized by a decarbonization device to generate reducing gas and decarbonized tail gas; a burner is arranged on the heating furnace and is respectively connected with decarburized tail gas, reaction gas and an external gas pipe; a decarburized tail gas preheater is arranged on a smoke exhaust pipe of the heating furnace; an outlet of the decarburized tail gas main pipe is respectively connected with a decarburized tail gas diffusing pipe and a decarburized tail gas burner supply pipe; a reducing gas pipeline is connected with the heating furnace; the decarburization tail gas burner supply pipe is connected with the decarburization tail gas preheater, and the preheated decarburization tail gas is supplied to a burner of the heating furnace. The byproduct gas in the hydrogen metallurgy process is fully utilized as the fuel of the heating furnace, the energy utilization efficiency is effectively improved, and the production cost is reduced.

The present invention provides a gas burner device and a cooking appliance that can suppress the generation of yellow flames caused by a rapid increase in the burner's heat output. [Solution] When the control means 60 receives an instruction via the heat output instruction means 57 to increase the heat output of the burner 39 from the first heat output to the second heat output, the control means 60 pauses the opening of the gas quantity control valve 55, which adjusts the amount of fuel gas supplied to the burner 39, for a predetermined time or slows down the opening speed of the gas quantity control valve 55 while it is in the process of changing the opening degree of the gas quantity control valve 55 from the first heat output opening degree to obtain the first heat output to the second heat output opening degree to obtain the second heat output.

The utility model discloses a special gas burner for a low-temperature hearth, which belongs to the technical field of burner equipment and comprises a barrel, the barrel is fixed with a bottom plate of a heating furnace, a lower brazier brick is arranged in the barrel, a large round hole and a small round hole are arranged at the bottom of the barrel, the large round hole is connected with a fixed disc, an outer gas gun penetrates through the small round hole, and a central gas gun and an incandescent light are mounted on the fixed disc. The outer gas gun, the center gas gun and the main gas pipeline are communicated through a three-way component, the barrel is provided with an air adjusting butterfly valve for controlling combustion-supporting air, and a heat preservation layer is arranged in the barrel. According to the combustor, the concentration of NOx and CO is adjusted through combination of fuel gas classification, flue gas self-circulation and rich-lean combustion technologies, the problems of high CO emission and unstable combustion of a low-temperature hearth are solved, the combustion efficiency and stability are improved, and the combustor is suitable for heating the low-temperature hearth in the industries such as petroleum refining and the like, meets the requirements for environmental protection and energy conservation and has wide application prospects.

A household gas burner, particularly for cooking appliances, includes a burner housing having a burner chamber that can be coupled to an optional controlled gas fuel supply device and is openly connected to the environment through a series of flame ports for igniting a gas flame. An inlet device is coupled to the burner housing, the inlet device including an inlet for receiving gas fuel and ambient air, and an outlet for supplying a fuel / air mixture to the burner chamber. The inlet and outlet are openly connected to each other via a fuel passage extending between the inlet and outlet and defined by a wall. The gas port is characterized by opening into the inlet during operation to supply a fuel flow to the inlet, the inlet allowing at least substantially free entry of ambient air, and the inlet device including an auxiliary gas device for generating and maintaining an auxiliary gas flow during operation, the auxiliary gas flowing through the wall of the fuel passage toward the outlet.

The invention discloses a tubular energy-saving boiler which solves the problem that steam generated by an existing boiler is high in humidity. A gas burner is mounted in the hearth; a water collecting tank is arranged at the bottom of the hearth and is externally connected with a make-up pump; a space occupying rod is arranged in the heat exchange pipe, the evaporation box is located in the hearth, the water surface in the evaporation box is a steam-liquid interface, and saturated steam continuously enters the steam-water separation pipe. A bent pipe part is arranged in the steam-water separation pipe, a hole is formed in the low point of the bent pipe part, and the bent pipe part is connected back to the evaporation box through a return pipe for primary steam-water separation; a flow guide pipe is installed at the upper end opening of at least half of the steam-water separation pipe, steam is sprayed out at a high speed in the tangent and horizontal direction, vortex type steam is formed under guiding of the flow guide pipe, and secondary steam-water separation of the steam is achieved. When low-quality steam passing through the steam-water separation pipe passes through the structure, thermal movement of steam molecules enables the steam molecules to collide with one another, collide with the pipe wall, condense and the like to form mist-shaped micro water drops and flow back, and the steam quality of the boiler is improved.

The application discloses a kind of ammonia hydrogen mixed natural gas combustion boiler test platform and its working method, test platform includes natural gas storage tank, hydrogen storage tank, liquid ammonia storage tank and liquid ammonia heating system, natural gas storage tank is connected with the multiple-component gas burner installed on gas boiler, hydrogen storage tank is connected with the multiple-component gas burner installed on gas boiler and is equipped with hydrogen flow regulating valve on connecting pipeline, liquid ammonia storage tank is connected with ammonia water pump, and ammonia water pump outlet is connected with liquid ammonia heating system, liquid ammonia heating system can heat liquid ammonia into ammonia gas of preset temperature, and the outlet of liquid ammonia heating system is connected with multiple-component gas burner and is equipped with ammonia gas main flow regulating valve on connecting pipeline.The application can realize zero carbon emission, and the system structure is reasonable, with the characteristics that heat can be matched and utilized in stages, providing a kind of thought for the development of industrial boiler in future.

The invention relates to the technical field of combustors, and particularly discloses a coke oven gas combustor which comprises a base, a gas pipe and a ventilation pipe, the gas pipe is fixedly installed on the upper surface of the base, a filtering assembly is arranged in an inner cavity of the gas pipe, the ventilation pipe sleeves the outer surface of the gas pipe, and a mixing pipe is arranged on the outer surface of the gas pipe. Impurities in coal gas can be fully filtered through the filtering assembly, it is guaranteed that the mixing proportion of the coal gas and air is uniform, when a filter screen is blocked, automatic cleaning can be achieved, the filter screen can be stably and continuously cleaned, the filter screen is kept dredged, frequent cleaning or replacement of the blocked filter screen is avoided, and the service life of the filter screen is prolonged. And the internal capacity of the buffering mechanism can be increased through the pressure adjusting assembly, the double buffering effect on the pressure intensity of the pipeline is achieved, meanwhile, an alarm can be given out in time in the continuous increasing process of the pressure intensity of the pipeline, workers can conduct rapid maintenance conveniently, and safe operation of equipment is guaranteed.

The present invention provides a gas burner device and a cooking appliance that can suppress the accumulation of soot on heated objects such as cooking containers due to the yellow flame generated in the sub-burner section immediately after the transition from a simultaneous combustion state to a single combustion state. [Solution] In a gas burner device 16 having a main burner section 36 and a sub-burner section 38, where the minimum heat output in a simultaneous combustion state when the main burner section 36 and the sub-burner section 38 burn simultaneously is greater than the maximum heat output in a single combustion state when only the sub-burner section 38 burns, but the minimum simultaneous combustion heat output opening of the gas volume control valve 55 is set to be smaller than the maximum single combustion heat output opening, the control means 60 closes the on / off valve 56 when the opening of the gas volume control valve 55 is smaller than the maximum single combustion heat output opening and is greater than or equal to the minimum simultaneous combustion heat output opening, thereby switching the combustion state of the burner 39 from a simultaneous combustion state to a single combustion state.

The utility model discloses a gas furnace ignition device, which relates to the technical field of gas furnaces and comprises a base and a gas furnace. The gas furnace is mounted at the top of the base; a limiting groove is formed in the base, an electromagnet is fixedly connected to one side of the limiting groove, an iron block is arranged on the other side of the limiting groove, a sliding block is slidably connected into the limiting groove, a sliding groove is formed in the side, close to the iron block, of the sliding block, and a first shear fork frame is rotationally connected to the sides, close to the sliding block, of the electromagnet and the iron block. The other end of the first shear fork frame is rotationally connected with a second shear fork frame, the side, away from one end of the first shear fork frame, of the second shear fork frame is rotationally connected with a sliding block, the other side, away from one end of the first shear fork frame, of the second shear fork frame is movably connected into a sliding groove, and an igniter is arranged on the upper middle portion of the sliding block; and through mutual magnetic attraction between the electromagnet and the iron block, the igniter is driven to move, so that the igniter is close to the gas furnace for ignition.

A flame-proof and explosion-proof surface combustion gas includes a burner body pierced with a series of orifices, each of which is extended by a rim, wherein the orifices are arranged in several rows of aligned orifices; and a gas distributor that includes a distributor body equipped with a plurality of longitudinal gas-distribution branches, each branch being pierced with a line of orifices bordered by a rim. The distributor body is positioned inside the burner body such that each orifice of the distributor body is coaxial with an orifice of the burner body, wherein when the burner body is coupled to an air supply source and the distributor body is coupled to a gas supply source, the air and the gas mix only at the rims of the burner body.

A discharging device of a vanadium pentoxide melting furnace comprises a melting furnace, a gas burner and a disc casting machine are arranged on one side of the melting furnace, and the discharging device is characterized in that a first discharging nozzle and a second discharging nozzle are arranged below a discharging port of the melting furnace, are arranged up and down and are in lap joint with each other; the cross section of the first discharging nozzle is U-shaped, and an arc-shaped groove is formed in the top surface of the first discharging nozzle; cooling cavities are respectively formed in the first discharging nozzle and the second discharging nozzle; a water inlet and a water outlet are respectively formed in two ends of the first discharging nozzle and the second discharging nozzle; a cooling water tank is further arranged on one side of the melting furnace, cooling water and a heat exchange pipe are arranged in the cooling water tank, the cooling water tank is sequentially communicated with a cooling cavity of the second discharging nozzle and a cooling cavity of the first discharging nozzle through a circulating pipeline, and a centrifugal pump is arranged on the circulating pipeline; one end of the heat exchange pipe is connected with the centrifugal fan, and the other end of the heat exchange pipe is communicated with a combustion-supporting gas inlet of the gas burner. The utility model has the advantages of simple structure, improved product quality and long service life.

The utility model discloses a gas furnace end and a pizza furnace. The furnace end comprises a furnace end body, the furnace end body is provided with an air inlet section, fire holes are formed in the furnace end body from the air inlet section to the tail end of the furnace end body, a furnace cavity communicated with the fire holes is formed in the furnace end body, and the length of the fire holes in the air inlet section is larger than that of the fire holes in other areas. By increasing the length of the fire holes in the gas inlet section, when gas directly rushes into the fire holes in the position, the gas outlet pressure of the corresponding fire holes is relatively stable due to the influence of longer channels of the fire holes, and the gas inlet section of the gas furnace end is prevented from flame separation.

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.

The present invention makes it possible to reduce ignition noise in a heating cooker comprising a gas burner as a heat source, wherein a gas cock 62, which has a safety valve 622 and a plug 621 that rotates to a fully open position due to an ignition operation, is interposed in a gas supply passage 61 to the gas burner.　A solenoid valve 64 is interposed in the gas supply passage 61 in series with the gas cock 62, and an orifice 65 is interposed in the same in parallel with the solenoid valve 64. At the time of an ignition operation, an ignition means that is attached to the gas burner is operated with the solenoid valve 64 in a closed condition.

The utility model provides a gas cooking machine which comprises a panel, a base plate, a burner and a pot body, the base plate is located below the panel and connected to the panel, a containing cavity is formed between the base plate and the panel, the burner is arranged in the containing cavity, the panel is provided with a placing opening, the pot body penetrates through the placing opening and extends into the containing cavity, and the pot body is arranged in the containing cavity. The burner is arranged below the pot body and used for heating the pot body. According to the gas cooking machine, the gas burner is used for replacing an electric appliance heater, and the large-load and high-efficiency cooking effect is achieved. Besides, the panel and the base plate are connected to form the containing cavity, and the combustor and the pot body are both placed in the containing cavity, so that a combustion system and a cooking system of the gas cooking machine are both embedded below the panel. Therefore, by adopting the arrangement scheme, the space of the table top of the cabinet can be saved, the cooking machine is more convenient to clean, and heat radiation in the cooking process can be reduced due to the fact that the burner is placed in the containing cavity.