CN205480977U - Low NOx of ratio adjustment circle flame discharges gas combustion ware - Google Patents
Low NOx of ratio adjustment circle flame discharges gas combustion ware Download PDFInfo
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- CN205480977U CN205480977U CN201620093829.5U CN201620093829U CN205480977U CN 205480977 U CN205480977 U CN 205480977U CN 201620093829 U CN201620093829 U CN 201620093829U CN 205480977 U CN205480977 U CN 205480977U
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Abstract
The utility model discloses a low NOx of ratio adjustment circle flame discharges gas combustion ware includes that fire pan brick, burner body, central gas are robbed, toper turbulent flow cover, a set of spoiler, a set of supplementary gas rifle, gas steam pocket pipe, altar lamp, see fiery lamp, ignition lamp, air inlet hose, coupling hose and altar lamp gas hose. The fire pan brick sets up burner body's top. The one end of center gas rifle is passed burner body and is set up in burner body's bottom, and the other end is equipped with toper turbulent flow cover, and gas steam pocket pipe ring is around setting up in burner body's periphery, and a set of supplementary gas rifle sets up on gas steam pocket pipe and presses the circumference and distributes in the periphery of fire pan brick. The utility model discloses the venturi effect has been utilized to make the hierarchical ratio adjustment that presses of fuel, combustor flame macroscopic view is circular cross section, vertical making progress upright and outspokenly effectively, is not licked the boiler tube, is not taken off the fire, combustion efficiency is high and effectively restraines NOx and generate.
Description
Technical field
This utility model relates to a kind of combustion apparatus, particularly to a kind of proportion adjustment circle low NO of flamexDischarge gas burner.
Background technology
" petroleum refining industry pollutant emission standard " (GB 31570-2015) that State Bureau of Environmental Protection issues specifies that on July 1st, 2015 comes into effect, one type area NOxEmission request is less than 100mg/m3.The low NO of domestic petroleum chemical heating furnace burnerxEmissions combustion, mostly can only ensure NOxDischarge reaches about 50PPM (80 120mg/m3), and external similar burner product discharges up to 20 30PPM.Use multiple suppression NO on the burnerxTechnological means, such as: fuel-staged combustion, bias combustion, fuel fire again, flue gas recirculation etc., but, do not reach the advanced effect of external like product always.There are some places interfered in numerous technology in structure is applied, can not be adjusted according to operating mode again during actual application, and therefore, some product exists for that flame rigidity is bad, flame drifting, the not phenomenon such as composition of burning, and NOxDischarge index also extremely unstable.
Utility model content
Technical problem to be solved in the utility model is that, flame drifting bad for burner flame rigidity in above-mentioned prior art, burning be insufficient, NOxThe deficiencies such as discharge index extremely unstable, provide a kind of fuel staging to regulate in proportion, the rounded cross section of burner flame macroscopic view, the most upright and the most outspoken effectively, effectively suppress NOxA kind of proportion adjustment circle low NO of flame generatedxDischarge gas burner.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
The proportion adjustment circle low NO of flamexDischarge gas burner is fixed under heating-furnace, and it includes that brazier brick, burner body, center combustion gas are robbed, taper flow disturbing cover, one group of spoiler, one group of assisted gas rifle, combustion gas drum pipe, altar lamp, seen fire lamp, pilot torch, air induction hose, connection flexible pipe and altar lamp gas hose.
Described brazier brick is arranged on the top of described burner body.One end of described center gas gun is arranged on the bottom of described burner body through described burner body, in the other end stretches into described brazier brick and be provided with described taper flow disturbing cover.Described altar lamp afterbody is arranged on the bottom of described burner body through described burner body, in described altar lamp head stretches into described brazier brick and near described taper flow disturbing cover.The afterbody of described altar lamp is connected with described altar lamp gas hose.
Described combustion gas drum pipe is circumferentially positioned at the periphery of described burner body.Assisted gas rifle described in one group is arranged on described combustion gas drum pipe and is circumferentially distributed in the periphery of described brazier brick.Described taper flow disturbing cover is provided with away from the circumference of described center that end of gas gun sees fire lamp, pilot torch and one group of spoiler corresponding with each described assisted gas rifle.
Described combustion gas drum pipe includes fuel gas inlet interface and gas outlet interface.Described gas outlet interface is connected with described center gas gun by described connection flexible pipe.Described fuel gas inlet interface is connected with described air induction hose.
Wherein in an embodiment, the junction of described gas outlet interface and connection flexible pipe is additionally provided with outlet regulating ball valve.
Wherein in an embodiment, described air induction hose is provided with entrance regulation ball valve away from one end of described combustion gas drum pipe.
Wherein in an embodiment, described burner body is additionally provided with tune wind butterfly valve.
Wherein in an embodiment, every described assisted gas rifle includes assisting gun barrel, assist gun sleeve pipe and the auxiliary burning nozzle shower nozzle of band spray orifice.
Described assist gun sleeve pipe is arranged on described burner body.One end of described auxiliary gun barrel is arranged on described combustion gas drum pipe through described assist gun sleeve pipe, and the other end is provided with the auxiliary burning nozzle shower nozzle of described band spray orifice.
Wherein in an embodiment, described center gas gun includes center gun barrel, center holster pipe, the central burner nozzle of band spray orifice
Shower nozzle and flexible pipe pairing joint.
One end of described center gun barrel is arranged on the bottom of described burner body through described burner body, in the other end stretches into described brazier brick and be provided with the auxiliary burning nozzle shower nozzle of described band spray orifice.Described center holster pipe box is located on the gun barrel of described center.Described center holster pipe stretches into that end of described brazier brick and is provided with taper flow disturbing cover.Gun barrel that end bottom described burner body in described center is provided with described flexible pipe pairing joint.Described gas outlet interface is connected with described flexible pipe pairing joint by described connection flexible pipe.
Wherein in an embodiment, described taper flow disturbing cover includes conical pipe and pipe group.
Described pipe group is arranged on the gas gun of described center, and that end of described conical pipe minor radius is arranged on the top of described pipe group, and the circumferential edge of the other end is provided with sees fire lamp, pilot torch and one group of spoiler corresponding with each described assisted gas rifle.
Wherein in an embodiment, described one group of assisted gas rifle includes at least two assisted gas rifles.
Wherein in an embodiment, described brazier brick is cylindrical hollow configuration, the descending reducing in inner passage again by little to
Big enlarging.Described brazier brick is provided with one group of breach away from that end of described burner body, and each described breach is corresponding with each described assisted gas rifle.
Wherein in an embodiment, described conical pipe tube wall is provided with hole.
The aforementioned proportion regulation circle low NO of flamexDischarge gas burner, by by fuel staging proportion adjustment, the low NO under suitable different loadxBurning and exhausting requirement；By to the multiple flow-disturbing of combustion air and the utilization of Venturi effect so that fully, burner centre flame disperses the mixing of classification fuel, and flame propagation mode is reliable, and flame temperature reduces, and effectively suppresses NOxGenerate.Center gas gun is corresponding with the injection of assisted gas rifle, above brazier brick reasonably intersection, correlation, burn by different level, wherein apply flue gas reburning, the light burning of overrich/mistake of fuel/air mixture, disperses combustion, burner hearth smoke backflow, the technology such as fuel/air mixture Forced Mixing, effectively suppress NOxGenerate, and flame macroscopic view rounded cross section, the most upright and the most outspoken effectively.Can meet circle flame in petroleum chemical heating furnace device, the end, burns, fuel staging can be in harmonious proportion low NOxThe requirement of gas burner.The aforementioned proportion regulation circle low NO of flamexGas burner flame is upright and outspoken effectively in discharge, do not lick boiler tube, do not take off fiery, efficiency of combustion height.
Accompanying drawing explanation
Fig. 1 is the proportion adjustment circle low NO of flame in present embodiment 1xThe front view of discharge gas burner.
Fig. 2 is the proportion adjustment circle low NO of flame in Fig. 1XThe top view of discharge gas burner.
Fig. 3 is the proportion adjustment circle low NO of flame in Fig. 1xThe upward view of discharge gas burner.
Fig. 4 is the proportion adjustment circle low NO of flame in Fig. 1XThe partial perspective view of brazier brick in discharge gas burner.
Fig. 5 is the proportion adjustment circle low NO of flame in Fig. 1XThe axonometric chart of brazier brick in discharge gas burner.
Fig. 6 is the proportion adjustment circle low NO of flame in Fig. 5XThe front view of brazier brick in discharge gas burner.
Fig. 7 is the proportion adjustment circle low NO of flame in Fig. 5XThe top view of brazier brick in discharge gas burner.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is comprehensively described.Accompanying drawing gives first-selected embodiment of the present utility model.But, this utility model can be embodied in many different forms, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that when element be referred to as " setting " at another element, it can be direct on another element or can also there is element placed in the middle.When an element is considered as " to be connected " with another element, and it can be directly to another element, or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model are generally understood that.It is intended merely to describe the purpose of specific embodiment at term used in the description of the present utility model herein, it is not intended that in limiting this utility model.
As shown in Figure 1 to Figure 3, the proportion adjustment circle low NO of flameXDischarge gas burner is fixed under heating furnace 15 furnace bottom, and it includes that brazier brick 1, burner body 3, center combustion gas are robbed, taper flow disturbing cover, 45, one group of assisted gas rifle of one group of spoiler, combustion gas drum pipe 9, altar lamp 2, seen fire lamp 23, pilot torch 24, air induction hose 97, connect flexible pipe 95 and altar lamp gas hose 22.
As it is shown in figure 1, brazier brick 1 is arranged on the top of burner body 3.Burner body 3 is provided with tune wind butterfly valve 31.One end of center gas gun is arranged on the bottom of burner body 3 through burner body 3, in the other end stretches into brazier brick 1 and be provided with taper flow disturbing cover.Altar lamp 2 afterbody is arranged on the bottom of burner body 3 through burner body 3, in altar lamp 2 head stretches into brazier brick 1 and near taper flow disturbing cover.As in figure 2 it is shown, taper flow disturbing cover correspondence position leaves corresponding broken partial section, it is beneficial to altar lamp 2 and lights flame of centre closer to brazier brick 1 center.And altar lamp 2 requirement of secure context when can guarantee that heating furnace normal operating.
Wherein, as it is shown in figure 1, the afterbody of altar lamp 2 is connected with altar lamp gas hose 22.
As shown in Figure 1 to Figure 3, combustion gas drum pipe 9 is circumferentially positioned at the periphery of burner body 3.One group of assisted gas rifle is arranged on combustion gas drum pipe 9 and is circumferentially distributed in the periphery of brazier brick 1.Taper flow disturbing cover is provided with, away from the circumference of center that end of gas gun, the spoiler 45 seeing that fire lamp 23, pilot torch 24 are corresponding with each assisted gas rifle with a group.
Concrete, as it is shown in figure 1, combustion gas drum pipe 9 includes fuel gas inlet interface 91 and gas outlet interface 93.Fuel gas inlet interface 91 is connected with air induction hose 97, and air induction hose 97 is provided with entrance regulation ball valve 33 away from one end of combustion gas drum pipe 9.Being additionally provided with air inlet flange 39 at fuel gas inlet interface 91, fuel gas inlet interface 91 passes sequentially through air inlet flange 39, air induction hose 97 is connected with combustion gas Trunk Line 99 with entrance regulation ball valve 33.Gas outlet interface 93 is connected with center gas gun by connecting flexible pipe 95, the junction of gas outlet interface 93 and connection flexible pipe 95 is additionally provided with outlet regulating ball valve 35, so gas gun provides combustion gas centered by the combustion gas in combustion gas drum pipe 9 passes sequentially through outlet regulating ball valve 35 and connects flexible pipe 95.
Wherein, control entrance regulation ball valve 33 and the aperture of outlet regulating ball valve 35, the fuel ratio that assisted gas Qiang Ji center combustion gas is robbed can be adjusted, grasp the amount of fuel staging, adaptation condition requirement, it is achieved low NO flexiblyXDischarge.And control entrance regulation ball valve 33 and the aperture of outlet regulating ball valve 35, the size of whole burner rating can be regulated.
Concrete, combustion gas drum pipe 9 is annular tube structure, can be closed into the domain, it is also possible to amputate a bit of after with shrouding, port is blocked.In the present embodiment, as it is shown on figure 3, combustion gas drum pipe 9 amputate a bit of after block with shrouding.
Wherein, as it is shown in figure 1, burner body 3 is arranged on heating furnace 15 drop-bottom, by connecting bolt, self flanged plate 37 is fixed on furnace bottom lower surface.Burner body 3 is the structure of hollow, and center-aisle is combustion air runner, and combustion air enters, by burner body 3 entrance suitable for reading brazier brick 1 through adjusting wind butterfly valve 31.Insulation, the purpose of noise reduction, burner body 3 and combustion air butterfly valve pipe interior are provided with the heat-insulation layer being filled with refractory material, and inner core uses stephanoporate steel plate.
Wherein, as it is shown in figure 1, center gas gun includes the central burner nozzle spray of center gun barrel 51, center holster pipe 53, band spray orifice
57 and flexible pipe pairing joint 55.One end of center gun barrel 51 is arranged on the bottom of burner body 3 through burner body 3, in the other end stretches into brazier brick 1 and be provided with the auxiliary burning nozzle shower nozzle 57 of band spray orifice.Center holster pipe 53 is set on center gun barrel 51.Center holster pipe 53 stretches into that end of brazier brick 1 and is provided with taper flow disturbing cover.Center gun barrel 51 that end bottom burner body 3 is provided with flexible pipe pairing joint 55.Gas outlet interface 93 is connected with flexible pipe pairing joint 55 by connecting flexible pipe 95.
Concrete, the central burner nozzle shower nozzle 57 of band spray orifice is reached brazier brick 1 center, and combustion gas is divided into multiply and sprays to brazier brick 1 mouthful and top, and burns with combustion air Forced Mixing.With the flow-disturbing that meets, the diffusion of combustion air wide-angle in fuel gas high-speed course of injection, therefore the deep or light graded of fuel occur, during burning, flame temperature and fuel and the equivalent proportion of air, all present the state of gradual change, achieve overrich burning and cross light burning, thus suppressing NOXGeneration.
Wherein, one group of assisted gas rifle includes 38 assisted gas rifles.Every assisted gas rifle includes assisting gun barrel 71, auxiliary
Help the auxiliary burning nozzle shower nozzle 75 of holster pipe 73 and band spray orifice.Assist gun sleeve pipe 73 is arranged on the flanged plate 37 of burner body.One end of auxiliary gun barrel 71 is arranged on combustion gas drum pipe 9 through assist gun sleeve pipe 73, and the other end is provided with the auxiliary burning nozzle shower nozzle 75 of band spray orifice.In the present embodiment, one group of described assisted gas rifle includes 4 assisted gas rifles.
Concrete, auxiliary burning nozzle shower nozzle 75 to the major general combustion gas of band spray orifice is classified into 26 strands, sprays to brazier brick 1 center and overhead in multi-angle, it is achieved the fractional combustion of fuel.
Wherein, as shown in Figure 1 to Figure 3, taper flow disturbing cover includes conical pipe 41 and pipe group 43.During pipe group 43 is arranged on
On heart gas gun, that end of conical pipe 41 minor radius is arranged on the top of pipe group 43, and the circumferential edge of the other end is provided with the spoiler 45 seeing that fire lamp 23, pilot torch 24 are corresponding with each assisted gas rifle with a group.
Concrete, the mode that spoiler 45 is bolted or welds is arranged on the circumference of conical pipe 41.Utilize Venturi effect, owing to the circulation of taper flow disturbing cover stops that area diminishes, combustion air is accelerated, when combustion air is at a high speed by brazier brick 1, the lee face of taper flow disturbing cover and spoiler 45 will produce the eddy current turbulent flow area of low pressure, and a combustion gas part for center gas gun injection mixes with combustion air at these low-pressure areas.It is ignited afterburner flame of centre to be held round upwards and powerful and vigorous, and flame is traveled to the assisted gas rifle outside brazier brick 1 by the low-pressure area produced by spoiler 45.
Wherein, as in figure 2 it is shown, conical pipe 41 tube wall is provided with hole 47.When allowing small part combustion air pass through, local produces Venturi effect, and above taper flow disturbing cover, each self-forming local depression district around close hole 47, mixes combustion gas and combustion air further, and stable can carry out combustion reaction at low-pressure area so that burner is unlikely to de-fire when high-power.
As Fig. 4 is to shown in 7, and brazier brick 1 is cylindrical hollow configuration, the inner passage the most ascending enlarging of descending reducing.
Brazier brick 1 is provided with one group of breach 13 away from that end of described burner body 3, and each breach 13 is corresponding with each assisted gas rifle.
Wherein, brazier brick 1 is positioned at inside burner hearth, is combustion air passage in the middle of brazier brick 1, its underpart inlet calibre and the combustion air channel connection of burner body 3, and diameter is consistent.
Concrete, one combustion gas that combustion air sprays with assisted gas rifle mixes in indentation, there, burns, and owing to pressure is relatively low herein, eddy velocity is relatively low, and flame root held by beneficially burner, is unlikely to de-fire.
The aforementioned proportion regulation circle low NO of flamexDischarge gas burner, by by fuel staging proportion adjustment, the low NO under suitable different loadxBurning and exhausting requirement；By to the multiple flow-disturbing of combustion air and the utilization of Venturi effect so that fully, burner centre flame disperses the mixing of classification fuel, and flame propagation mode is reliable, and flame temperature reduces, and effectively suppresses NOxGenerate.Center gas gun is corresponding with the injection of assisted gas rifle, above brazier brick reasonably intersection, correlation, burn by different level, wherein apply flue gas reburning, the light burning of overrich/mistake of fuel/air mixture, disperses combustion, burner hearth smoke backflow, the technology such as fuel/air mixture Forced Mixing, effectively suppress NOxGenerate, and flame macroscopic view rounded cross section, the most upright and the most outspoken effectively.Can meet circle flame in petroleum chemical heating furnace device, the end, burns, fuel staging can be in harmonious proportion low NOxThe requirement of gas burner.The aforementioned proportion regulation circle low NO of flamexGas burner flame is upright and outspoken effectively in discharge, do not lick boiler tube, do not take off fiery, efficiency of combustion height.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. the proportion adjustment circle low NO of flamexDischarge gas burner, is fixed on Bottom of Heating Furnace, it is characterised in that include
Brazier brick, burner body, center combustion gas are robbed, taper flow disturbing cover, one group of spoiler, one group of assisted gas rifle, combustion gas drum pipe, altar lamp, see fire lamp, pilot torch, air induction hose, connection flexible pipe and altar lamp gas hose；
nullDescribed brazier brick is arranged on the top of described burner body，One end of described center gas gun is arranged on the bottom of described burner body through described burner body，The other end stretches in described brazier brick and is provided with described taper flow disturbing cover，Described altar lamp afterbody is arranged on the bottom of described burner body through described burner body，In described altar lamp head stretches into described brazier brick and near described taper flow disturbing cover，The afterbody of described altar lamp is connected with described altar lamp gas hose，Described combustion gas drum pipe is circumferentially positioned at the periphery of described burner body，Assisted gas rifle described in one group is arranged on described combustion gas drum pipe and is circumferentially distributed in the periphery of described brazier brick，Described taper flow disturbing cover is provided with away from the circumference of described center that end of gas gun sees fire lamp、Pilot torch and one group of spoiler corresponding with each described assisted gas rifle；
Described combustion gas drum pipe includes that fuel gas inlet interface and gas outlet interface, described gas outlet interface are connected with described center gas gun by described connection flexible pipe, and described fuel gas inlet interface is connected with described air induction hose.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that described combustion
The junction of gas discharge coupling and connection flexible pipe is additionally provided with outlet regulating ball valve.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that described in enter
Gas flexible pipe is provided with entrance regulation ball valve away from one end of described combustion gas drum pipe.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that be additionally provided with tune wind butterfly valve on described burner body.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that every described assisted gas rifle includes assisting gun barrel, assist gun sleeve pipe and the auxiliary burning nozzle shower nozzle of band spray orifice；
Described assist gun sleeve pipe is arranged on described burner body, and one end of described auxiliary gun barrel is arranged on described combustion gas drum pipe through described assist gun sleeve pipe, and the other end is provided with the auxiliary burning nozzle shower nozzle of described band spray orifice.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that in described
Heart gas gun includes center gun barrel, center holster pipe, the central burner nozzle shower nozzle of band spray orifice and flexible pipe pairing joint；
One end of described center gun barrel is arranged on the bottom of described burner body through described burner body, the other end stretches in described brazier brick and is provided with the auxiliary burning nozzle shower nozzle of described band spray orifice, described center holster pipe box is located on the gun barrel of described center, described center holster pipe stretches into that end of described brazier brick and is provided with taper flow disturbing cover, gun barrel that end bottom described burner body in described center is provided with described flexible pipe pairing joint, and described gas outlet interface is connected with described flexible pipe pairing joint by described connection flexible pipe.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that described cone
Shape flow disturbing cover includes conical pipe and pipe group；
Described pipe group is arranged on the gas gun of described center, and that end of described conical pipe minor radius is arranged on the top of described pipe group, and the circumferential edge of the other end is provided with sees fire lamp, pilot torch and one group of spoiler corresponding with each described assisted gas rifle.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that described one
Group assisted gas rifle includes at least two assisted gas rifles.
The proportion adjustment the most according to claim 1 circle low NO of flamexDischarge gas burner, it is characterised in that described fire
Basin brick is cylindrical hollow configuration, the inner passage the most ascending enlarging of descending reducing, and described brazier brick is provided with one group of breach away from that end of described burner body, and each described breach is corresponding with each described assisted gas rifle.
The proportion adjustment the most according to claim 7 circle low NO of flamexDischarge gas burner, it is characterised in that described conical pipe tube wall is provided with hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620093829.5U CN205480977U (en) | 2016-02-01 | 2016-02-01 | Low NOx of ratio adjustment circle flame discharges gas combustion ware |
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| CN201620093829.5U CN205480977U (en) | 2016-02-01 | 2016-02-01 | Low NOx of ratio adjustment circle flame discharges gas combustion ware |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382629A (en) * | 2016-11-18 | 2017-02-08 | 岳阳钟鼎热工电磁科技有限公司 | Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission |
| CN106931437A (en) * | 2017-03-28 | 2017-07-07 | 长沙理工大学 | A kind of low NOx gas burners with air conducting cover |
| CN107990315A (en) * | 2017-11-24 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of low-nitrogen discharged fuel gun of Furnace burner center fire |
| CN107990312A (en) * | 2017-11-28 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of burner of low-nitrogen oxide discharging |
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2016
- 2016-02-01 CN CN201620093829.5U patent/CN205480977U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382629A (en) * | 2016-11-18 | 2017-02-08 | 岳阳钟鼎热工电磁科技有限公司 | Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission |
| CN106382629B (en) * | 2016-11-18 | 2019-01-18 | 岳阳钟鼎热工电磁科技有限公司 | High Hydrogen fuel Flat-flame ultra-low NOx emission oil and gas combination burner |
| CN106931437A (en) * | 2017-03-28 | 2017-07-07 | 长沙理工大学 | A kind of low NOx gas burners with air conducting cover |
| CN107990315A (en) * | 2017-11-24 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of low-nitrogen discharged fuel gun of Furnace burner center fire |
| CN107990315B (en) * | 2017-11-24 | 2024-01-05 | 北京拓首能源科技股份有限公司 | Central ignition low-nitrogen emission fuel gun for process heating furnace burner |
| CN107990312A (en) * | 2017-11-28 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of burner of low-nitrogen oxide discharging |
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