CN107477580A - Low NO - Google Patents
Low NO Download PDFInfo
- Publication number
- CN107477580A CN107477580A CN201710803282.2A CN201710803282A CN107477580A CN 107477580 A CN107477580 A CN 107477580A CN 201710803282 A CN201710803282 A CN 201710803282A CN 107477580 A CN107477580 A CN 107477580A
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- CN
- China
- Prior art keywords
- burner plate
- low
- gas pipe
- combustion
- barrel
- Prior art date
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 64
- 238000009792 diffusion process Methods 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 19
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 38
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 30
- 239000000567 combustion gas Substances 0.000 description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
- F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The invention provides a kind of low NO, belong to field of mechanical technique.It solves the problems, such as that the structure of existing burner is complex and efficiency of combustion is relatively low.This low NO, including axially through combustion barrel, Gas Pipe is fixed with combustion barrel, air hose is fixed with Gas Pipe, the cavity of air hose and the cavity of Gas Pipe are isolated, the lower end of air hose is connected with the lower end of combustion barrel, the upper end of Gas Pipe is fixed with burner plate, the opening run through is laid with burner plate, some horizontally disposed air jet pipes are fixed with burner plate, the inner of air jet pipe is connected with Gas Pipe, and the outer end of Gas Pipe is connected with combustion barrel, the lower end inside of Gas Pipe is provided with impeller, and impeller includes some blades being obliquely installed.This low NO has the advantages of simple in construction, efficiency of combustion is higher.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of burner, particularly a kind of low NO.
Background technology
In recent years, China's economic growth is rapid, and energy resource consumption significantly improves, and the problem of environmental pollution thus brought is also increasingly
It is severe.Environmental Protection in China department requires more and more higher to pollutant emission limitation caused by burning at present.Therefore, reduce N0 compounds row
It is one of main target of current gas burner design to put.
At present, controlling the main technological means of gas burner NO compounds discharge includes air classification, air swirl and
Direct current wind coordinates, the mode such as combustion gas classification and flue gas recirculation.Air classification and combustion gas classification are limited to existing burner peace
The limitation of size, and the limitation of gaseous-pressure and air pressure are filled, it is limited to discharge the percentage contribution reduced to NO compounds.Cause
This, the mode of flue gas recirculation is widely used in gas fired-boiler at present.Traditional flue gas recirculation is in boiler
Perforate after air-introduced machine, it is another to set a backflow blower fan to be re-fed into after flue gas extraction caused by burning is mixed with air in burner.
Latter aspect is mixed with air in the flue gas of circulation and dilute oxygen concentration, on the other hand in the case where not increasing oxygen concentration
Cold air amount is improved, therefore advantageously reduces reduction flame temperature, is asked when extending combustion reaction, so as to avoid burner hearth part
High temperature, it restrained effectively the generation of NO compounds.
A kind of low nitrogen oxide burner structure (application number as disclosed in Chinese patent literature：
201610750727.0), including internal natural gas passage, combustion-supporting gas channel, radial distribution device, gas spraying perforation, distribution
It is pipe, swirl vane, internal layer combustion-supporting gas channel, intermediate layer combustion-supporting gas channel, outer layer combustion-supporting gas channel, inner air metering hole, interior
Layer swirl-flow devices and injection straight hole.But the low nitrogen oxide burner structure is complex and efficiency of combustion is relatively low.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of simple in construction, efficiency of combustion
The low low NO of higher and nitrogen oxides discharge capacity.
The purpose of the present invention can be realized by following technical proposal：Low NO, including axially through combustion barrel,
Gas Pipe is fixed with described combustion barrel, air hose, the cavity of described air hose and institute are fixed with described Gas Pipe
The cavity for the Gas Pipe stated is isolated, and the lower end of described air hose is connected with the lower end of described combustion barrel, and its feature exists
In the upper end of described Gas Pipe is fixed with burner plate, and the opening run through, described combustion are laid with described burner plate
Burn and be fixed with some horizontally disposed air jet pipes on plate, the inner of described air jet pipe is connected with described Gas Pipe, described
The outer end of Gas Pipe be connected with described combustion barrel, the lower end inside of described Gas Pipe is provided with impeller, described impeller
Including some blades being obliquely installed.
The lower end of low NO is connected with blower fan.At work, by blower fan toward being blown into air, air warp in combustion barrel
When crossing impeller air is set to increase in the shape of a spiral by the guiding of impeller, partial air enters air hose to the cavity of combustion barrel
Upper end, improve the air inflow of combustion barrel upper end.By the air spiral in combustion barrel and with the combustion of the outer end of air jet pipe
Gas is sufficiently mixed burning, has high combustion efficiency, while the air that air hose comes out cools to combustion barrel, avoids combustion barrel
Upper end produces high temperature dot, improves efficiency of combustion, the advantages of making the discharge capacity of nitrogen oxides low, while this low NO has
The advantages of structure is relatively simple.
In above-mentioned low NO, described combustion barrel includes the body of tubular and is coaxially connected in body upper end
Diffusion barrel, described burner plate and described air jet pipe be located in described diffusion barrel, and the upper end of described diffusion barrel has
The inclined guide face in side inside, described burner plate are located at the downside of described guide face.The upper end of diffusion barrel has toward inner side
Inclined guide face, combustion gas and air are carried out to guide toward inner side, second-time burning is realized, improves efficiency of combustion.
Diffusion barrel phase can be adjusted by being provided with above-mentioned low NO, between described diffusion barrel and described body
To the governor motion of the axial distance of body, described governor motion includes the bar shaped being arranged on described outer body wall
Hole, described bar hole are set parallel to the axis of described body, and described bar hole is equipped with screw, described screw
It is inner to be fixedly connected with described body screw thread.Adjust diffusion barrel and body to axial apart from when, by unclamping screw, adjust
Whole diffusion barrel has the advantages of simple in construction and regulation is more convenient to correct position, then by screw lock.
In above-mentioned low NO, the upper end of described Gas Pipe is provided with some circulation apertures, and described circulation is small
Hole position is in the upside of described air jet pipe.By setting above-mentioned circulation aperture, it is easy to this low NO to light a fire, and can be real
The middle part burning of existing combustion barrel, has the advantages of high combustion efficiency and more uniform burning.
In above-mentioned low NO, described burner plate is in the form of annular discs, and described air jet pipe is with described burner plate
Axis centered on be uniformly arranged, the outer end of described air jet pipe is close to the edge of described burner plate.Using above-mentioned setting, make
There is more uniform combustion gas on the inside of the upper end of combustion barrel, there is the advantages of relatively stable and efficiency of combustion of burning is higher.
In above-mentioned low NO, it is additionally provided with running through on described burner plate and is in strip guiding gutter, it is described
Guiding gutter be inclined to set, and described guiding gutter is uniformly arranged centered on the axis of described burner plate.Pass through setting
Above-mentioned guiding gutter, partial air is flowed through the rising of burner plate rear screw, improve the mixing of air and combustion gas, and improve combustion
The efficiency of combustion of gas, reduce the discharge of nitrogen oxides.
In above-mentioned low NO, the stream of the axis of the rounded and close described burner plate of described opening
The diameter of through hole is less than the diameter of the opening of the axis away from described burner plate.Because the gas quantity in the outside of burner plate is big
Gas quantity on the inside of burner plate, therefore the air requirements amount on the outside of burner plate is more than burner plate inside air demand, therefore
Opening uses above-mentioned setting, and combustion gas can be made more sufficiently to burn, improve efficiency of combustion.
In above-mentioned low NO, described blade is uniformly arranged centered on the axis of described combustion barrel.It is logical
Cross the impeller with above-mentioned blade, flow through the air helical cut in combustion barrel and enter in the shape of a spiral at burner plate and with
The combustion gas of air jet pipe outer end carries out more uniform mixing, air is mixed with the preferable of combustion gas, improves efficiency of combustion, subtracts
The low discharge of nitrogen oxides.
In above-mentioned low NO, the lateral wall of described Gas Pipe is fixed with two pressing plates, two pressing plates it is outer
End is provided with the corresponding deep-slotted chip breaker of notch, and two pressing plates are clamped with fire rod, and described fire rod is embedded with deep-slotted chip breaker.Pass through two
The deep-slotted chip breaker clamping fire rod of individual pressing plate, has the advantages of simple in construction and locating effect is preferable, while be easy to fire rod
Dismounting.
In above-mentioned low NO, the lateral wall of described Gas Pipe is fixed with two pressing plates, two pressing plates it is outer
End is provided with the corresponding deep-slotted chip breaker of notch, and two pressing plates are clamped with ionization bar, and described ionization bar is embedded with deep-slotted chip breaker.Pass through two
The deep-slotted chip breaker clamping ionization bar of individual pressing plate, has the advantages of simple in construction and locating effect is preferable, while be easy to ionization bar
Dismounting.
In above-mentioned low NO, the lower end of described Gas Pipe is fixed with tracheae seat, under described tracheae seat
End is provided with the positioning hole to match with air hose and the lower end of described air hose is embedded in described positioning hole, described body
Lateral wall be provided with inlet end, described inlet end is connected with described tracheae seat.The lower end of air hose is embedded in tracheae seat
In positioning hole, there is the advantages of locating effect is preferable, by inlet end toward delivery of fuel gas in Gas Pipe, have simple in construction and defeated
Send the advantages of more convenient.
Compared with prior art, this low NO has advantages below：
1st, burning is sufficiently mixed by the air spiral in combustion barrel and with the combustion gas of the outer end of Gas Pipe, there is combustion
Efficiency high, the advantages of making the discharge capacity of nitrogen oxides low are burnt, while this low NO has the advantages of structure is relatively simple；
2nd, the upper end of diffusion barrel has the inclined guide face in side inside, and combustion gas and air are carried out to guide toward inner side, real
Existing second-time burning, improves efficiency of combustion；
3rd, the diameter of the opening of the axis of the rounded and close burner plate of opening is less than the axis away from burner plate
Opening diameter, combustion gas can be made more sufficiently to burn, improve efficiency of combustion；
4th, adjust diffusion barrel and body to axial apart from when, by unclamping screw, adjustment diffusion barrel to suitable position
Put, then by screw lock, there is the advantages of simple in construction and regulation is more convenient.
Brief description of the drawings
Fig. 1 is the schematic perspective view of this low NO.
Fig. 2 is the schematic top plan view of this low NO.
Fig. 3 is Fig. 2 A-A schematic cross-sectional views.
Fig. 4 is the schematic perspective view of the burner plate of this low NO.
In figure, 1, combustion barrel；1a, body；1a1, bar hole；1a2, inlet end；1b, diffusion barrel；1b1, guide face；2nd, fire
Tracheae；2a, circulation aperture；3rd, air hose；4th, burner plate；4a, opening；4b, guiding gutter；5th, air jet pipe；6th, impeller；6a, leaf
Piece；7th, screw；8th, pressing plate；9th, fire rod；10th, ionization bar；11st, tracheae seat；11a, positioning hole.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figures 1 to 4, low NO, including axially through combustion barrel 1, be fixed with Gas Pipe 2 in combustion barrel 1,
Air hose 3 is fixed with Gas Pipe 2, the cavity and the cavity of Gas Pipe 2 of air hose 3 are isolated, the lower end of air hose 3 and burning
The lower end of cylinder 1 is connected, and the upper end of Gas Pipe 2 is fixed with burner plate 4 in the form of annular discs, is laid with what is run through on burner plate 4
The opening 4a of the axis of the rounded and close burner plate 4 of opening 4a, opening 4a diameter is less than away from burner plate 4
The opening 4a of axis diameter, can make combustion gas more sufficiently burn, improve efficiency of combustion.
Some horizontally disposed air jet pipes 5 are fixed with burner plate 4, air jet pipe 5 is uniform centered on the axis of burner plate 4
Set, the outer end of air jet pipe 5 is connected close to the edge of burner plate 4 and with combustion barrel 1, the inner and the phase of Gas Pipe 2 of air jet pipe 5
Connection.The upper end of Gas Pipe 2 is provided with some circulation aperture 2a, and circulation aperture 2a is located at the upside of air jet pipe 5.Under Gas Pipe 2
End inner side is provided with impeller 6, and impeller 6 includes some blade 6a being obliquely installed, and blade 6a is uniform centered on the axis of combustion barrel 1
Set.
Combustion barrel 1 includes the body 1a and the coaxial diffusion barrel 1b for being connected in body 1a upper ends of tubular, burner plate 4 and spray
Tracheae 5 is located in described diffusion barrel 1b, and diffusion barrel 1b upper end is with the inclined guide face 1b1 in side, burner plate 4 are located inside
Guide face 1b1 downside.Diffusion barrel 1b opposing bodies 1a axial distance can be adjusted by being provided between diffusion barrel 1b and body 1a
Governor motion, governor motion includes being arranged on bar hole 1a1 on body 1a lateral walls, and bar hole 1a1 is parallel to body 1a
Axis set, bar hole 1a1 is equipped with screw 7, and the inner of screw 7 is fixedly connected with body 1a screw threads.By unclamping screw 7,
Adjustment diffusion barrel 1b locks to correct position, then by screw 7, has the advantages of simple in construction and regulation is more convenient.
Burner plate 4 is in the form of annular discs, is additionally provided with running through and in strip guiding gutter 4b on burner plate 4, and guiding gutter 4b is in inclining
Tiltedly set, and guiding gutter 4b is uniformly arranged centered on the axis of burner plate 4, partial air is flowed through on the rear screw of burner plate 4
Rise, improve the mixing of air and combustion gas, and improve the efficiency of combustion of combustion gas, reduce the discharge of nitrogen oxides.
The lateral wall of Gas Pipe 2 is fixed with two pressing plates 8, and the outer end of two pressing plates 8 is provided with the corresponding deep-slotted chip breaker of notch,
Two pressing plates 8 are clamped with fire rod 9, and fire rod 9 is embedded with deep-slotted chip breaker.The lateral wall of Gas Pipe 2 is also fixed with two pressing plates 8,
The outer end of two pressing plates 8 is provided with the corresponding deep-slotted chip breaker of notch, and two pressing plates 8 are clamped with ionization bar 10, and ionization bar 10 is embedded with
In deep-slotted chip breaker.Ionization bar 10 can eliminate the electrostatic in combustion gas, the advantages of making burning safer reliable.
The lower end of Gas Pipe 2 is fixed with tracheae seat 11, and the lower end of tracheae seat 11 is provided with the positioning hole to match with air hose 3
In positioning hole 11a, body 1a lateral wall is provided with inlet end 1a2, inlet end 1a2 and tracheae for the lower end of 11a and air hose 3
Seat 11 is connected.The lower end of air hose 3 has the advantages of locating effect is preferable, passed through in the positioning hole 11a of tracheae seat 11
Inlet end 1a2 has the advantages of simple in construction and conveying is more convenient toward delivery of fuel gas in Gas Pipe 2.
The lower end of low NO is connected with blower fan.At work, by blower fan toward being blown into air, air warp in combustion barrel
Risen in the shape of a spiral by air during the guiding of impeller 6 when crossing impeller 6, partial air enters air hose 3 to the chamber of combustion barrel
The upper end of body.Burning is sufficiently mixed by the air spiral in combustion barrel and with the combustion gas of the outer end of Gas Pipe 2, there is combustion
Efficiency high is burnt, while the air that air hose comes out cools to combustion barrel 1, avoids the upper end of combustion barrel 1 from producing high temperature dot, improves
Efficiency of combustion, the advantages of making the discharge capacity of nitrogen oxides low, so that the advantages of discharge capacity of nitrogen oxides is low, while this is low
Nitrogen burner has the advantages of structure is relatively simple.Diffusion barrel 1b upper end has the inclined guide face 1b1 in side inside, to combustion gas
And air guided toward inner side, realizes second-time burning, improves efficiency of combustion.By setting above-mentioned circulation aperture 2a,
It is easy to this low NO to light a fire, and the middle part burning of combustion barrel 1 can be realized, there is high combustion efficiency and burning is more uniform
The advantages of.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although combustion barrel 1, body 1a, bar hole 1a1, inlet end 1a2, diffusion barrel 1b, water conservancy diversion have more been used herein
Face 1b1, Gas Pipe 2, circulation aperture 2a, air hose 3, burner plate 4, opening 4a, guiding gutter 4b, air jet pipe 5, impeller 6, blade
The terms such as 6a, screw 7, pressing plate 8, fire rod 9, ionization bar 10, tracheae seat 11, positioning hole 11a, but be not precluded from using other arts
The possibility of language.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It is construed as
The additional limitation of any one is all disagreed with spirit of the present invention.
Claims (10)
1. low NO, including axially through combustion barrel (1), is fixed with Gas Pipe (2), institute in described combustion barrel (1)
Air hose (3), the lower end of described air hose (3) and the lower end phase of described combustion barrel (1) are fixed with the Gas Pipe (2) stated
Connection, it is characterised in that the upper end of described Gas Pipe (2) is fixed with burner plate (4), and described burner plate is laid on (4)
There is the opening (4a) run through, some horizontally disposed air jet pipes (5), described jet are fixed with described burner plate (4)
Pipe the inner of (5) is connected with described Gas Pipe (2), and the outer end of described Gas Pipe (2) is connected with described combustion barrel (1)
Logical, the lower end inside of described Gas Pipe (2) is provided with impeller (6), and described impeller (6) includes some blades being obliquely installed
(6a)。
2. low NO according to claim 1, it is characterised in that described combustion barrel (1) includes the body of tubular
(1a) and the diffusion barrel (1b) for being coaxially connected in body (1a) upper end, described burner plate (4) and described air jet pipe (5) position
In described diffusion barrel (1b), the upper end of described diffusion barrel (1b) has the inclined guide face in side (1b1) inside, described
Burner plate (4) is located at the downside of described guide face (1b1).
3. low NO according to claim 2, it is characterised in that described diffusion barrel (1b) and described body
The governor motion of the axial distance of diffusion barrel (1b) opposing body (1a), described governor motion can be adjusted by being provided between (1a)
Including the bar hole (1a1) being arranged on described body (1a) lateral wall, described bar hole (1a1) is parallel to described sheet
The axis of body (1a) is set, and described bar hole (1a1) is equipped with screw (7), the inner and described sheet of described screw (7)
Body (1a) screw thread is fixedly connected with.
4. according to the low NO described in claim 1 or 2 or 3, it is characterised in that the upper end of described Gas Pipe (2) is set
There are some circulation apertures (2a), described circulation aperture (2a) is located at the upside of described air jet pipe (5).
5. according to the low NO described in claim 1 or 2 or 3, it is characterised in that described burner plate (4) is in the form of annular discs,
Described air jet pipe (5) is uniformly arranged centered on the axis of described burner plate (4), and the outer end of described air jet pipe (5) is leaned on
The edge of nearly described burner plate (4).
6. according to the low NO described in claim 1 or 2 or 3, it is characterised in that be additionally provided with described burner plate (4)
Running through and be in strip guiding gutter (4b), described guiding gutter (4b) is inclined to set, and described guiding gutter (4b) is with institute
It is uniformly arranged centered on the axis for the burner plate (4) stated.
7. according to the low NO described in claim 1 or 2 or 3, it is characterised in that described opening (4a) is rounded
And the diameter of the opening (4a) close to the axis of described burner plate (4) is less than the axis away from described burner plate (4)
The diameter of opening (4a).
8. according to the low NO described in claim 1 or 2 or 3, it is characterised in that described blade (6a) is with described combustion
It is uniformly arranged centered on the axis of burning cylinder (1).
9. according to the low NO described in claim 1 or 2 or 3, it is characterised in that the lateral wall of described Gas Pipe (2)
Two pressing plates (8) are fixed with, the outer end of two pressing plates (8) is provided with the corresponding deep-slotted chip breaker of notch, and two pressing plate (8) clampings are a little
Lighted torch (9), described fire rod (9) is embedded with deep-slotted chip breaker.
10. according to the low NO described in claim 1 or 2 or 3, it is characterised in that the lower end of described Gas Pipe (2) is consolidated
It is connected with tracheae seat (11), the lower end of described tracheae seat (11) is provided with the positioning hole (11a) that matches with air hose (3) and described
Air hose (3) lower end in the described positioning hole (11a), the lateral wall of described body (1a) is provided with inlet end
(1a2), described inlet end (1a2) are connected with described tracheae seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803282.2A CN107477580A (en) | 2017-09-07 | 2017-09-07 | Low NO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803282.2A CN107477580A (en) | 2017-09-07 | 2017-09-07 | Low NO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477580A true CN107477580A (en) | 2017-12-15 |
Family
ID=60584227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803282.2A Pending CN107477580A (en) | 2017-09-07 | 2017-09-07 | Low NO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477580A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454786A (en) * | 2019-09-11 | 2019-11-15 | 向顺华 | A kind of low nitrogen non-oxidation burner of flue gas self-circulation type |
| CN110925762A (en) * | 2018-09-20 | 2020-03-27 | 东营市先达能源技术有限公司 | Premixing type low-nitrogen combustor |
| CN112204307A (en) * | 2019-05-08 | 2021-01-08 | 株式会社水国 | Low nitrogen oxide burner with punching plate type burner head |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1151311A (en) * | 1997-07-31 | 1999-02-26 | Mitsubishi Heavy Ind Ltd | Gas fired premixing combustion equipment |
| CN101089467A (en) * | 2006-06-13 | 2007-12-19 | 上海凌云瑞升燃烧设备有限公司 | Low nitrogen oxide gas burner |
| US20110053105A1 (en) * | 2008-01-16 | 2011-03-03 | Kyungdong Navien Co., Ltd. | Bunsen burner using lean-rich combustion type |
| CN203024146U (en) * | 2012-11-23 | 2013-06-26 | 张印 | Efficient desulfurization low-nitrogen coal powder burning combination device |
| CN204987041U (en) * | 2015-09-14 | 2016-01-20 | 张宝源 | High -efficient low NOx burner of low heat value |
| CN106196059A (en) * | 2016-08-26 | 2016-12-07 | 中能服能源科技股份有限公司 | A kind of low nitrogen oxide burner structure |
| CN107062226A (en) * | 2017-05-23 | 2017-08-18 | 北京市热力集团有限责任公司 | A kind of big backflow low NO of high-temperature flue gas |
| CN207407340U (en) * | 2017-09-07 | 2018-05-25 | 温岭威索燃烧器有限公司 | Low NO |
-
2017
- 2017-09-07 CN CN201710803282.2A patent/CN107477580A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1151311A (en) * | 1997-07-31 | 1999-02-26 | Mitsubishi Heavy Ind Ltd | Gas fired premixing combustion equipment |
| CN101089467A (en) * | 2006-06-13 | 2007-12-19 | 上海凌云瑞升燃烧设备有限公司 | Low nitrogen oxide gas burner |
| US20110053105A1 (en) * | 2008-01-16 | 2011-03-03 | Kyungdong Navien Co., Ltd. | Bunsen burner using lean-rich combustion type |
| CN203024146U (en) * | 2012-11-23 | 2013-06-26 | 张印 | Efficient desulfurization low-nitrogen coal powder burning combination device |
| CN204987041U (en) * | 2015-09-14 | 2016-01-20 | 张宝源 | High -efficient low NOx burner of low heat value |
| CN106196059A (en) * | 2016-08-26 | 2016-12-07 | 中能服能源科技股份有限公司 | A kind of low nitrogen oxide burner structure |
| CN107062226A (en) * | 2017-05-23 | 2017-08-18 | 北京市热力集团有限责任公司 | A kind of big backflow low NO of high-temperature flue gas |
| CN207407340U (en) * | 2017-09-07 | 2018-05-25 | 温岭威索燃烧器有限公司 | Low NO |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925762A (en) * | 2018-09-20 | 2020-03-27 | 东营市先达能源技术有限公司 | Premixing type low-nitrogen combustor |
| CN112204307A (en) * | 2019-05-08 | 2021-01-08 | 株式会社水国 | Low nitrogen oxide burner with punching plate type burner head |
| CN112204307B (en) * | 2019-05-08 | 2023-08-04 | 株式会社水国 | Low NOx burner with punched plate type burner head |
| CN110454786A (en) * | 2019-09-11 | 2019-11-15 | 向顺华 | A kind of low nitrogen non-oxidation burner of flue gas self-circulation type |
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