CN207539904U - Ultralow nitrogen gas burner - Google Patents
Ultralow nitrogen gas burner Download PDFInfo
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- CN207539904U CN207539904U CN201721250869.7U CN201721250869U CN207539904U CN 207539904 U CN207539904 U CN 207539904U CN 201721250869 U CN201721250869 U CN 201721250869U CN 207539904 U CN207539904 U CN 207539904U
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Abstract
The utility model is related to a kind of ultralow nitrogen gas burners, include the air duct of level-one combustion gas header, second gas burning collection ring, furnace body, igniter and both ends open, and the furnace wall of outlet across the furnace body in air duct enters burner hearth；Air duct includes at least center air duct, an air duct and the secondary air duct being arranged successively from inside to outside, and level-one combustion gas header and second gas burning collection ring are all connected with combustion gas main pipe；Wherein, level-one combustion gas header connection central lance and several level-one gas guns, central lance and level-one gas gun are stretched into the air duct of center；Several second gas burning spray guns are uniformly connected on second gas burning collection ring, second gas burning spray gun is stretched into secondary air duct；In the centrally disposed spray gun of igniter and firing tip is extend out to outside the port of export of central lance.The utility model realizes the circumferential classification of fuel, improves air/gas mixing situation, burning is balanced, reduces NOx generations using double headers and nest of tubes formula method of supplying.
Description
Technical field
The utility model belongs to burner arts, and in particular to a kind of ultralow nitrogen gas burner.
Background technology
With rapid development of economy, the consumption of the energy increases rapidly, and pollution caused by fuel combustion is on the rise.City
The energy starts to move towards times of natural gas, and particularly " implementation of West-east Gas engineering indicates the natural gas of Chinese city combustion gas
Epoch have arrived.By the comparison to oil, coal and natural gas emission in combustion, find natural gas than other combustions
The gas emissions of material are all few very much, have the discharge capacity of NOx only in an order of magnitude.With the rapid hair of gas industry
It opens up, the pollution of nitrogen oxides generated after combustion of natural gas can not be ignored.Therefore, ultralow nitrogen gas burner is developed to China
Environmental Protection Cause is significant.
Common low-NO_x combustion technology includes fractional combustion, premixed combustion, flue gas recirculation, multi-hole medium combustion, nonflame
Burning etc., wherein full premix combustion, multi-hole medium combustion, flameless combustion is not suitable for high-power burner, fractional combustion, part
The technologies such as premixed combustion, flue gas recirculation then become the direction that high-power burner is made great efforts.
Since ignition temperature reaches highest in the case where equivalent proportion is 1, grading combustion technology is to realize lean combustion or richness
Combustion burning, ignition temperature are lower than the ignition temperature that equivalent proportion is 1, therefore the thermo parameters method in energy reasonable distribution stove, keep away
Exempt from localized hyperthermia occur, achieve the effect that reduce NOx generations, but how to realize that good air/gas classification is a difficult point.
Flue gas recirculation is by the way that the combustion product of flue gas and intermediate are added in combustion zone, so as to reduce burning
Temperature, while the flue gas added in reduces the partial pressure of oxygen, can weaken the generation of thermal NO x.Research shows that external flue gas
Recycling can reduce by 70% NOx generations.The problem of flue gas recirculation, is that external flue gas recirculation space is big, invests
It is higher, and the effect that inside smoke recycling reduces discharged nitrous oxides is poor.
Invention content
The purpose of the utility model is to overcome problems of the prior art, provide a kind of ultralow nitrogen fuel gas buring
Device can realize harmonious combustion, reduce NOx generations.
In order to achieve the above object, the utility model adopts the following technical solution：
Include the air duct of level-one combustion gas header, second gas burning collection ring, furnace body, igniter and both ends open, the outlet in air duct
Furnace wall across furnace body enters burner hearth；Air duct includes at least the center air duct being arranged successively from inside to outside, an air duct and secondary
Air duct, level-one combustion gas header and second gas burning collection ring are all connected with combustion gas main pipe；
Wherein, level-one combustion gas header connection central lance and several level-one gas guns, central lance and level-one combustion gas
Spray gun is stretched into the air duct of center；Several second gas burning spray guns are uniformly connected on second gas burning collection ring, second gas burning spray gun is equal
It stretches into secondary air duct；In the centrally disposed spray gun of igniter and firing tip is extend out to outside the port of export of central lance.
Further, center air duct, an air duct and secondary air duct include the horizontal segment air duct and the spiral case section that are connected
Air duct, wherein, the axis in horizontal segment air duct perpendicular to plane where spiral case section air duct；Level-one combustion gas header, second gas burning collection
Ring, central lance and horizontal segment air duct are arranged concentrically.
Further, the port of export of central lance is extend out to outside the air duct of center, and is arranged on the outside of the port of export of central lance
Stable flame pan.
Further, level-one gas gun is evenly distributed on the surrounding of central lance, the port of export position of level-one gas gun
In in the air duct of center, partly-premixed section is formed between the port of export of level-one gas gun and the port of export in center air duct.
Further, the outlet of level-one gas gun is provided with V-type nozzle, and two are symmetrically offered on the side wall of V-type nozzle
A spray orifice, one of spray orifice is towards central lance, another spray orifice is towards the side wall in center air duct.
Further, the outlet of second gas burning spray gun is provided with the ladder type nozzle that can be dismantled, and ladder type nozzle includes axial
Spout, the internal spout towards igniter and the external spout towards furnace wall.
Further, along airflow direction, the nozzle exit area of second gas burning spray gun is on rear side of central lance outlet.
Further, the port of export of secondary air duct is provided with sloping platform on the inside sidewalls face in center air duct, forms edge
The tapered spout of airflow direction；The port of export of secondary air duct opens up air inlet gap on the side wall of furnace wall, opens up air inlet gap
Side wall end connection deflector, deflector is obliquely installed towards furnace wall.
Further, on the outside of secondary air duct, slope on furnace wall is set, forms gradual-enlargement type horn mouth；Furnace wall and Secondary Air
Asbestos washer is set between road.
Further, the arrival end in air duct is both provided with the air regulating board for adjusting intake.
Compared with prior art, the utility model has technique effect beneficial below：
The utility model is by using the level-one combustion gas header and second gas burning collection ring that are connected with combustion gas main pipe, level-one combustion gas
Header connects central lance and level-one gas gun, and second gas burning collection ring connection second gas burning spray gun forms double headers and nest of tubes
Formula method of supplying, combustion gas are sent into level-one combustion gas header and second gas burning collection ring by combustion gas main pipe, are redistributed to each gas gun
In pipe, mix by the outflow of several gas injection gun barrels with air, the circumferential direction for realizing fuel is classified, by with center air duct, one
Secondary air duct and secondary air duct match, the utility model can be classified supply burning needed for air and combustion gas, improve air/
Combustion gas mixing situation, achievees the purpose that burning is balanced, and the thermo parameters method in reasonable distribution stove avoids the occurrence of localized hyperthermia, reaches
To the effect for reducing NOx generations.
Further, the utility model makes air be flowed in spiral case and generates eddy flow, favorably by setting spiral case section air duct
In forming recirculating zone, flame stabilization is realized, while the mixing with fuel can be improved, improve efficiency of combustion.
Further, the utility model premixes section by setting unit, and air/gas can occur in partly-premixed section
Mixing, it is partly-premixed so as to achieve the purpose that.
Further, the utility model is by setting V-type nozzle, and inside spout cooperation central lance forms main flame, outside
Side spout is combustion-supporting in periphery with the First air that an air duct is blown out, and center smoke backflow area is formed between inside and outside spout, so as to make height
The combustion product and intermediate of warm low speed preheat unreacted air and fuel, are diluted, can effectively overheavy firing,
Stablize flame.Meanwhile smoke backflow so that in-furnace temperature distribution is more uniform, reduces maximum combustion temperature, reduces high-temperature region, suppression
Heat the formation of power type NOx
Further, the utility model can be replaced different by setting the ladder type nozzle that can be dismantled according to different requirements
Model and determine open quantity；And the internal spout of ladder type nozzle sprays to flame of centre and plays combustion-supporting purpose, outside spray
Mouth sprays to furnace wall, and the reflux of flue gas corner is cooperatively formed with furnace wall.
Further, the utility model by by the notch setting of second gas burning spray gun central lance outlet on rear side of, both
It can realize the fractional combustion of fuel axial direction, and the time of contact of secondary fuel and flame of centre can be extended, it can be to a certain extent
Reduce the formation of Quick-type NOx.
Further, the utility model becomes an injector by forming tapered spout, secondary air duct blowout
Secondary wind wind speed is accelerated at this, forms a negative pressuren zone；And air inlet gap and deflector are set, corner backflow flue gas is in injection
Under the negative pressuren zone power drive that device is formed, exported, and be mixed with into Secondary Air through air inlet seam clearance flow along deflector, realize cigarette
The effect of gas outer circulation realizes lean Oxygen Control ignition temperature, reduces thermal NO x production quantities；Meanwhile the utility model flue gas follows
Ring is completed inside furnace wall, is not take up redundant space.
Further, the utility model increases corner recirculating zone, while diversion circulation cigarette by setting gradual-enlargement type horn mouth
Gas enters negative pressuren zone.
Further, the utility model can adjust each air duct intake by setting air regulating board.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the level-one combustion gas header structure diagram of the utility model.
Fig. 3 is the second gas burning collection ring structure schematic diagram of the utility model.
Fig. 4 is the level-one gas gun structure diagram of the utility model.
Fig. 5 is the second gas burning spray gun structure schematic diagram of the utility model.
Wherein：1- level-one combustion gas headers；2- second gas burning collection rings；3- air ducts；4- level-one gas guns；5-V type nozzles；6-
Partly-premixed section；7- stable flame pans；8- central lances；9- sloping platforms；10- enters the wind gap；11- deflectors；12- furnace walls；13- ladder types spray
Mouth；14- centers air duct；Air duct of 15-；16- secondary air ducts；17- second gas burning spray guns；18- air regulating boards；19- asbestos washers；
20- igniters.
Specific embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 5 is participated in, the utility model includes level-one combustion gas header 1, second gas burning collection ring 2, furnace body, igniter 20
With the air duct 3 of both ends open, the furnace wall 12 of outlet across the furnace body in air duct 3 enters burner hearth；Air duct 3 include at least from inside to outside according to
Secondary 14, air ducts 15 in the center air duct being arranged and secondary air duct 16, level-one combustion gas header 1 and second gas burning collection ring 2 are all connected with
Combustion gas main pipe.
Wherein, with reference to figure 2, level-one combustion gas header 1 connects central lance 8 and several level-one gas guns 4, level-one combustion gas
Spray gun 4 is evenly distributed on the surrounding of central lance 8, and central lance 8 and level-one gas gun 4 are stretched into center air duct 14；Ginseng
Fig. 3 is examined, several second gas burning spray guns 17 are uniformly connected on second gas burning collection ring 2, second gas burning spray gun 17 stretches into Secondary Air
In road 16；In 20 centrally disposed spray gun 8 of igniter and firing tip is extend out to outside the port of export of central lance 8.It is fired by level-one
The 8 center conveyor combustion gas of gas spray gun 4 and central lance conveys second gas burning by second gas burning spray gun 17.
The air duct 15 of center air duct 14, one times includes the horizontal segment air duct and the spiral case section wind that are connected with secondary air duct 16
Road, wherein, the axis in horizontal segment air duct perpendicular to plane where spiral case section air duct；Level-one combustion gas header 1, second gas burning collection ring
2nd, central lance 8 and horizontal segment air duct are arranged concentrically.
The port of export of central lance 8 is extend out to outside center air duct 14, and arrangement stable flame pan on the outside of the port of export of central lance 8
7.The port of export of level-one gas gun 4 is located in center air duct 14, the port of export of level-one gas gun 4 and going out for center air duct 14
Mouth forms partly-premixed section 6 between end.
Referring to Fig. 4, the outlet of level-one gas gun 4 is provided with V-type nozzle 5, and 5 stereogram of V-type nozzle is cone, plane
V-type is projected as, nozzle-axis and the center line of central lance 8 determine a plane, which intersects for two with 5 covering of the fan of V-type nozzle
A spray orifice is respectively opened on line, two spray orifices are symmetrical, one towards central lance 8, another is towards the side wall in center air duct 14.
Referring to Fig. 5, the outlet of second gas burning spray gun 17 is provided with the ladder type nozzle 13 that can be dismantled, and connection mode includes：Thread connection,
The dismountable mechanicals connection modes such as key connecting, pin connection；Ladder type nozzle 13 includes axial spout, is sprayed towards the inside of igniter 20
Mouthful and the external spout towards furnace wall 12, what internal spout and external spout opened up spray orifice on mode and V-type nozzle 5 opens up mode
It is identical.Along airflow direction, the nozzle exit area of second gas burning spray gun 17 is on rear side of the outlet of central lance 8.
The port of export of secondary air duct 16 is provided with sloping platform 9 on the inside sidewalls face in center air duct 14, is formed along air-flow
The tapered spout in direction；The port of export of secondary air duct 16 opens up air inlet gap 10 on the side wall of furnace wall 12, opens up air inlet seam
The side wall end connection deflector 11 of gap 10, deflector 11 are obliquely installed towards furnace wall 12.
In 16 outside of secondary air duct, slope is set on furnace wall 12, forms gradual-enlargement type horn mouth；Furnace wall 12 and secondary air duct 16
Between set asbestos washer 19.
The arrival end in air duct 3 is both provided with the air regulating board 18 for adjusting intake, can adjust each air duct intake.
The main course of work of the utility model and principle are：
The utility model burner is using the double header methods of supplying of combustion gas, and two-stage gas pipeline is the burning of nest of tubes formula
Device, centered on combustion gas be provided with level-one combustion gas header 1；For secondary combustion gas, second gas burning collection ring 2 is set；Natural gas is distinguished by main pipe
Level-one combustion gas header 1 and second gas burning collection ring 2 are sent into, is redistributed to central lance 8, each level-one gas gun 4 and two level combustion
In gas spray gun 17.Combustion gas is flowed out by several tubules, after air flows out at a relatively high speed from center air duct 14 or secondary air duct 16
With combustion gas mixing, air/gas mixing situation is improved, the First air that air duct 15 is blown out plays the role of combustion-supporting, reaches combustion
Burn balanced purpose.
The central lance 8 of center gas pipeline stretches out center air duct 14, and level-one gas gun 4 is exported in center air duct 14
Portion, air/gas can be mixed in partly-premixed section 6, partly-premixed so as to achieve the purpose that.The level-one of center combustion gas
The outlet of gas gun 4 forms main flame, outside spout and an air duct using V-type nozzle 5, inside spout cooperation central lance 8
The First air of 15 blowouts is combustion-supporting in periphery, and center smoke backflow area is formed between inside and outside spout, so as to produce the burning of high temperature low speed
Object and intermediate preheat unreacted air and fuel, are diluted, can effectively overheavy firing, stablize flame.Meanwhile
Smoke backflow so that in-furnace temperature distribution is more uniform, reduces maximum combustion temperature, reduces high-temperature region, inhibits thermal NO x's
It is formed.
Right 17 nozzle exit area of gas spray gun of two level can realize the fractional combustion of fuel axial direction and prolong at centre wind rear portion
The time of contact of long secondary fuel and flame of centre can reduce the formation of Quick-type NOx to a certain extent.Second gas burning spray gun
17 outlets are using ladder type nozzle 13, and the ladder type nozzle 13 is detachable, therefore can replace different models according to different requirements, with
And determining open quantity, internal spout sprays to flame of centre and plays combustion-supporting purpose, and external spout sprays to furnace wall 12, with furnace wall 12
Cooperatively form the reflux of flue gas corner.
16 exit design of secondary air duct becomes an injector, secondary air duct 16 is blown out secondary into tapered spout
Wind wind speed is accelerated at this, forms a negative pressuren zone, volume inhales circulating flue gas and adds in Secondary Air, so as to fulfill the effect of flue gas outer circulation
Fruit realizes lean Oxygen Control ignition temperature, reduces thermal NO x production quantities.16 exit of secondary air duct is provided with deflector 11
With entering the wind gap 10, under the negative pressuren zone power drive that corner backflow flue gas is formed in injector, along deflector 11, through air inlet seam
Gap 10 flows into Secondary Air outlet, and is mixed with.
Furnace wall 12 is split into horn mouth form in Secondary Air exit, so as to increase corner recirculating zone, while diversion circulation
Flue gas enters negative pressuren zone.
Arranged concentric has center combustion gas nest of tubes, the air duct 15, two of center air duct 14, one times to the utility model successively from inside to outside
Secondary air duct 16, secondary gas pipeline are respectively equipped with combustion gas header/ring in two-stage gas pipeline inlet, and level-one Gas Pipe is said
Mouth setting V-type burner, second gas burning pipe outlet are provided with ladder type burner, and the outlet of secondary air duct 16 is provided with tapered spout shape
Into injector, and exported in secondary air duct 16 and deflector 11 and air inlet gap 10 are provided between ladder type burner.This practicality is new
Type, with reference to the mode of flue gas recirculation, reduces thermal NO x and Quick-type using air/gas is partly-premixed, fractional combustion
NOx is generated, and achievees the purpose that ultralow discharged nitrous oxides.The utility model simplifies structure, improves nitric oxide emission levels, energy
It enough realizes ultralow nitrogen discharged, is of great significance for energy-saving and emission-reduction, specifically has the advantage that：
(1) fractional combustion：From inside to outside successively arranged concentric have central lance 8, level-one gas gun 4, center air duct 14,
Air duct 15, secondary air duct 16 and second gas burning spray gun 17, air and combustion gas needed for classification supply burning；Specifically,
Using 3 structure of scroll casing type air duct, and it is in turn divided into center air duct 14, one times air duct 15 and secondary air duct from inside to outside
16.Right 17 nozzle exit area of gas spray gun of two level is centrally located wind rear portion, when can extend contact of the secondary fuel with flame of centre
Between, the formation of Quick-type NOx is reduced to a certain extent, and can realize the fractional combustion of fuel axial direction.The double headers of combustion gas use,
Nest of tubes formula method of supplying, centered on combustion gas be provided with level-one combustion gas header 1, second gas burning collection ring 2 is set for secondary combustion gas, naturally
Gas is sent into level-one combustion gas header 1 and second gas burning collection ring 2 by main pipe, is redistributed in each gas injection gun barrel, combustion gas is by several
Tubule outflow is mixed with air, realizes the circumferential classification of fuel.V-type nozzle 5 and ladder type is respectively adopted in one second gas burning pipeline
Nozzle 13 realizes the radial grading of fuel.
(2) harmonious combustion：Inside the ducting outlet of center, air/gas can be at two for the outlet of level-one gas gun 4
Generation is partly-premixed in partly-premixed section 6 between outlet, improves air/gas mixing situation, achievees the purpose that burning is balanced.
Burner improves air/gas mixing situation using combustion gas double header, nest of tubes formula methods of supplying.
(3) center smoke backflow：The surrounding conduit outlet of center combustion gas is using V-type nozzle 5, inside spout cooperation center spray
Rifle 8 forms main flame, and outside spout is combustion-supporting in periphery with First air, center smoke backflow area is formed between inside and outside spout, so as to make
The combustion product and intermediate of high temperature low speed preheat unreacted air and fuel, are diluted, and can effectively strengthen combustion
It burns, stablize flame.Meanwhile smoke backflow so that in-furnace temperature distribution is more uniform, reduces maximum combustion temperature, reduces high temperature
Area inhibits the formation of thermal NO x.
(4) flue gas recirculation：Using ladder type nozzle 13, internal spout sprays to flame of centre and rises the outlet of second gas burning spray gun 17
To combustion-supporting purpose, external spout sprays to furnace wall 12, and flue gas corner recirculating zone is cooperatively formed with furnace wall 12.Simultaneously by secondary air duct 16
Exit design becomes an injector, secondary wind wind speed is accelerated at this, forms a negative pressuren zone, volume into tapered spout
The circulating flue gas of smoking gas corner recirculating zone flows into Secondary Air outlet, and be mixed with along deflector 11, through entering the wind gap 10, from
And the effect of flue gas outer circulation is realized in a manner of being recycled in flue gas, it realizes lean Oxygen Control ignition temperature, reduces thermal NO x lifes
Cheng Liang.
Claims (10)
1. a kind of ultralow nitrogen gas burner, it is characterised in that：Including level-one combustion gas header (1), second gas burning collection ring (2), stove
The air duct (3) of body, igniter (20) and both ends open, the outlet of air duct (3) is across the furnace wall (12) of furnace body into burner hearth；Air duct
(3) including at least the center air duct (14) being arranged successively from inside to outside, an air duct (15) and secondary air duct (16), level-one combustion gas
Header (1) and second gas burning collection ring (2) are all connected with combustion gas main pipe；
Wherein, level-one combustion gas header (1) connection central lance (8) and several level-one gas guns (4), central lance (8) and
Level-one gas gun (4) is stretched into center air duct (14)；The spray of several second gas burnings is uniformly connected on second gas burning collection ring (2)
Rifle (17), second gas burning spray gun (17) are stretched into secondary air duct (16)；In igniter (20) centrally disposed spray gun (8) and point
Fire end is extend out to outside the port of export of central lance (8).
2. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：Center air duct (14), First air
Road (15) includes the horizontal segment air duct and the spiral case section air duct that are connected with secondary air duct (16), wherein, the axis in horizontal segment air duct
Line perpendicular to spiral case section air duct where plane；Level-one combustion gas header (1), second gas burning collection ring (2), central lance (8) and water
Flat section air duct is arranged concentrically.
3. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：The port of export of central lance (8)
It extend out to center air duct (14) outside, and arrangement stable flame pan (7) on the outside of the port of export of central lance (8).
4. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：Level-one gas gun (4) is uniform
It is centrally located the surrounding of spray gun (8)；The port of export of level-one gas gun (4) is located in center air duct (14), level-one gas injection
It is formed partly-premixed section (6) between the port of export of rifle (4) and the port of export of center air duct (14).
5. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：Level-one gas gun (4) go out
Mouthful V-type nozzle (5) is provided with, is symmetrically opened up on the side wall of V-type nozzle (5) there are two spray orifice, one of spray orifice is towards center
Spray gun (8), another spray orifice is towards the side wall of center air duct (14).
6. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：Second gas burning spray gun (17) go out
Mouth is provided with the ladder type nozzle (13) that can be dismantled, and ladder type nozzle (13) includes axial spout, the inside towards igniter (20)
Spout and the external spout towards furnace wall (12).
7. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：Along airflow direction, second gas burning
The nozzle exit area of spray gun (17) exports rear side in central lance (8).
8. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：The port of export of secondary air duct (16)
Sloping platform (9) is provided on the inside sidewalls face in center air duct (14), forms the tapered spout along airflow direction；Secondary air duct
(16) the port of export opens up air inlet gap (10) on the side wall of furnace wall (12), and the side wall end for opening up air inlet gap (10) connects
Deflector (11) is connect, deflector (11) is obliquely installed towards furnace wall (12).
9. a kind of ultralow nitrogen gas burner according to claim 8, it is characterised in that：On the outside of secondary air duct (16),
Slope on furnace wall (12) is set, forms gradual-enlargement type horn mouth；Asbestos washer is set between furnace wall (12) and secondary air duct (16)
(19)。
10. a kind of ultralow nitrogen gas burner according to claim 1, it is characterised in that：The arrival end in air duct (3) is all provided with
It is equipped with the air regulating board (18) for adjusting intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250869.7U CN207539904U (en) | 2017-09-27 | 2017-09-27 | Ultralow nitrogen gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250869.7U CN207539904U (en) | 2017-09-27 | 2017-09-27 | Ultralow nitrogen gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539904U true CN207539904U (en) | 2018-06-26 |
Family
ID=62609552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721250869.7U Active CN207539904U (en) | 2017-09-27 | 2017-09-27 | Ultralow nitrogen gas burner |
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| CN (1) | CN207539904U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559827A (en) * | 2017-09-27 | 2018-01-09 | 西安交通大学 | A kind of ultralow nitrogen gas burner |
| CN110425518A (en) * | 2019-07-26 | 2019-11-08 | 华中科技大学 | A kind of realization NOxThe flameless combustion heating boiler system of near-zero release |
| CN112050215A (en) * | 2020-09-30 | 2020-12-08 | 江苏泷涛环境技术有限公司 | Efficient air multistage injection smoke internal circulation low-nitrogen combustor and application |
| CN113864775A (en) * | 2021-10-11 | 2021-12-31 | 清华大学 | Ammonia-doped multi-phase fuel grading cyclone burner |
| CN113883510A (en) * | 2021-11-08 | 2022-01-04 | 上海电机学院 | Gas inlet device for promoting gas-air mixing emission reduction based on connection distortion mapping |
-
2017
- 2017-09-27 CN CN201721250869.7U patent/CN207539904U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559827A (en) * | 2017-09-27 | 2018-01-09 | 西安交通大学 | A kind of ultralow nitrogen gas burner |
| CN110425518A (en) * | 2019-07-26 | 2019-11-08 | 华中科技大学 | A kind of realization NOxThe flameless combustion heating boiler system of near-zero release |
| CN112050215A (en) * | 2020-09-30 | 2020-12-08 | 江苏泷涛环境技术有限公司 | Efficient air multistage injection smoke internal circulation low-nitrogen combustor and application |
| CN113864775A (en) * | 2021-10-11 | 2021-12-31 | 清华大学 | Ammonia-doped multi-phase fuel grading cyclone burner |
| CN113883510A (en) * | 2021-11-08 | 2022-01-04 | 上海电机学院 | Gas inlet device for promoting gas-air mixing emission reduction based on connection distortion mapping |
| CN113883510B (en) * | 2021-11-08 | 2023-11-14 | 上海电机学院 | Air inlet device for promoting gas-air mixing and emission reduction based on connection distortion mapping |
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