CN108167828B - An active cooling industrial gas burner - Google Patents
An active cooling industrial gas burner Download PDFInfo
- Publication number
- CN108167828B CN108167828B CN201711285740.4A CN201711285740A CN108167828B CN 108167828 B CN108167828 B CN 108167828B CN 201711285740 A CN201711285740 A CN 201711285740A CN 108167828 B CN108167828 B CN 108167828B
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- CN
- China
- Prior art keywords
- combustion air
- gas
- flame plate
- flame
- gas nozzle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- 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
-
- 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
- F23D14/48—Nozzles
-
- 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
- F23D14/66—Preheating the combustion air or gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a kind of active cooling type industrial gas burners, including the closed combustion air sleeve in one end, the fuel gas conduit and high-tension ignition electrode being threaded through on combustion air sleeve, and gas nozzle and flame plate in combustion air sleeve, combustion air sleeve closed end is equipped with combustion-supporting wind inlet, combustion air sleeve openings are the tapered opening gradually tapered up to center, gas nozzle and flame plate are close to combustion air sleeve openings end, gas nozzle is connected to fuel gas conduit, flame plate is coaxially mounted on gas nozzle, flame plate luvisde is provided with multiple heat pipes for cooling flame disk.Burner of the invention, pass through the active cooling heat pipe being arranged on flame plate, reduce thermal-flame to the scaling loss of burner head, improve the safety and service life of burner, combustion air is heated using this partial heat to promote to burn simultaneously, the thermal efficiency for improving efficiency of combustion and system, reduces the generation of nitrogen oxides, and market application prospect is wide.
Description
Technical field
The present invention relates to gas field of combustion technology, and in particular to a kind of active cooling type industrial gas burner, especially
It is the gas burner using flame plate active cooling device.
Background technique
The gaseous fuels such as natural gas, liquefied gas, biogas are because with being free of, ash content, ignition temperature is lower, burning is easy
Control, can remote pipe conveying the advantages that and be widely used in industry heating field so that gas burner equipment is also
Rapid development and application are arrived.In industrial applications environment such as ceramic kiln, Industrial Boiler, metal forging, stainless steel annealing furnaces,
Gas burner needs long-time continuous operation, how to ensure the service life of equipment and efficiency of combustion is that technical staff is closed for a long time
The key content of note generallys use the technology of flue gas combustion air industrially at present to promote to burn, effectively improves
The thermal efficiency of efficiency of combustion and system.In burner actual application environment, head flame plate side towards the fire receives flame height for a long time
Temperature radiation and forced convective heat transfer of flue baking, especially when thermic load is larger, the burner that works long hours will appear head scaling loss,
Weld cracking etc. seriously affects the problem of its performance and service life, to cause the increase of the production disruption and maintenance cost of enterprise.
Summary of the invention
The object of the present invention is to provide a kind of active cooling type industrial gas burners, lead to gas burner head
Dynamic cooling, while combustion air is heated using this partial heat to promote to burn, the efficiency of combustion and the thermal efficiency of system are improved,
The advantages of having both reduces flame maximum radiation temperature, reduces NO_x formation in burning, especially suitable for that need to transport steadily in the long term
Capable industrial gas burner equipment.
To achieve the above object, the technical scheme is that
A kind of active cooling type industrial gas burner, including the closed combustion air sleeve in one end, it is threaded through combustion air
Fuel gas conduit and high-tension ignition electrode on sleeve and the gas nozzle and flame plate in combustion air sleeve, combustion-supporting windband
Cylinder closed end be equipped with combustion-supporting wind inlet, combustion air sleeve openings be the tapered opening gradually tapered up to center, convenient for combustion air with
Combustion gas is sufficiently mixed, and gas nozzle and flame plate are close to combustion air sleeve openings end, and gas nozzle is connected to fuel gas conduit, combustion gas
Nozzle is circumferentially evenly arranged with multiple gas jet orifices and secondary gas jet orifice, a gas jet orifice central axis and gas nozzle
Central axis is in 45~75 ° of angles, and secondary gas jet orifice central axis and gas nozzle central axis are in 15~30 ° of angles, and flame plate is same
Axis is mounted on gas nozzle, is provided with multiple First air horizontal channels in the middle part of flame plate, First air horizontal channel is around gas injection
It is evenly arranged around mouth, flame plate outer end is evenly arranged with multiple Secondary Air swirl channels, and flame plate luvisde is provided with
Multiple heat pipes for cooling flame disk.
Preferably, the heat pipe inclination installation, horizontal by 5~30 ° of angles.
Preferably, the flame plate luvisde is circumferentially distributed multiple inclined mounting holes, which does not penetrate through, bottom end
There is certain distance with flame plate side towards the fire, the hot end of the heat pipe is placed in mounting hole.Mounting hole bottom end and flame plate are to fire
Face is there are certain distance, and heat pipe is to achieve the purpose that reduce flame peak temperature by flame plate rotating jet flow, to avoid
Heat pipe directly contacts Fire Radiation and damages.
The prior art is compared, the beneficial effects of the present invention are:
The present invention passes through the active cooling heat pipe being arranged on flame plate, reduces thermal-flame to the burning of burner head
Damage, improves the safety and service life of burner, while transferring heat to combustion air, effectively improves efficiency of combustion
With the thermal efficiency of system, the generation of nitrogen oxides is reduced, relative to traditional flue gas heat exchange, effectively shortens heat transfer
Distance, can not only ensure gas burner stablizes safe operation, additionally aids and reduces corresponding equipment and maintenance cost, special
Not Shi Yongyu the burning of large scale industry gas burner can be advanced optimized after the layout density of opposite heat tube is adjusted
The efficiency of combustion and discharged nitrous oxides parameter of burner.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of burner of the present invention.
Fig. 2 is the structural schematic diagram of flame plate luvisde, only retains heat pipe, and remaining part omits.
Fig. 3 is the A of Fig. 2 to cross-sectional view.
Description of symbols: 1- outer end cap, 2- high-tension ignition electrode, 3- fuel gas conduit, the combustion-supporting wind inlet of 4-, the combustion-supporting windband of 5-
Cylinder, 6- heat pipe, 7- capillary materials, 8- Secondary Air swirl channel；9- flame plate；10- First air horizontal channel, combustion gas of 11-
Spray orifice, bis- gas jet orifices of 12-, 13- gas nozzle.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, with reference to the accompanying drawing and specific embodiment party
Formula is described in further details the contents of the present invention.It is understood that specific embodiment described herein is used only for
The explanation present invention, rather than limitation of the invention.It also should be noted that for ease of description, being illustrated only in attached drawing
Part related to the present invention rather than full content.
As shown in Figure 1 to Figure 3, a kind of active cooling type industrial gas burner of the present embodiment, including combustion air sleeve
5, right-end openings, left end connects outer end cap 1 by flange seal, and fuel gas conduit 3, side installation is fixedly mounted at 1 center of outer end cap
Combustion-supporting wind inlet 4 is arranged in high-tension ignition electrode 2,5 left end lower part of combustion air sleeve, and the opening of 5 right end of combustion air sleeve is in
The tapered opening that the heart gradually tapers up, convenient for being sufficiently mixed for combustion air and combustion gas.Fuel gas conduit 3 and high-tension ignition electrode 2 protrude into
It is open into combustion air sleeve 5, and close to combustion air sleeve 5, gas nozzle 13, high-tension ignition electrode 2 is installed in fuel gas conduit 3
Ignition electrode close to gas nozzle 13.Gas nozzle 13 is circumferential to be uniformly arranged several gas jet orifices 11 and secondary gas jet orifice
12, wherein 11 central axis of gas jet orifice and 13 central axis angle of gas nozzle are 45~75 °, in secondary gas jet orifice 12
Mandrel and 13 central axis angle of gas nozzle are 15~30 °.The fire for combustion air distribution is also connected with outside gas nozzle 13
The one side of flame disk 9, flame plate 9 towards combustion-supporting wind inlet 4 is luvisde, towards one side (the i.e. court of 13 gas jet orifice of gas nozzle
To the one side of flame) it is side towards the fire, multiple heat pipes 6 for active cooling are equipped in 9 luvisde of flame plate, inside installation is used for
Guarantee that its capillary materials 7 worked normally, specific structure are the prior art.The inclination installation of heat pipe 6, horizontal by 5~30 °
Angle, naturally it is also possible to using other angled manners, such as 6 central axis of heat pipe and 9 central axis of flame plate are in 5~30 ° of angles,
And heat pipe 6 quantity and setting interval can be adjusted according to cooling requirement.In the present embodiment, in order to guarantee heat pipe 6 not with
Flame contact, 6 hot end of heat pipe are placed in the angular mounting hole on flame plate 9, and mounting hole is circumferentially distributed along 9 luvisde of flame plate,
Can be uniformly or uneven, mounting hole does not penetrate through, and there are certain distances for bottom end and side towards the fire, in this way, heat pipe 6 is to pass through fire
9 rotating jet flow of flame disk come achieve the purpose that reduce flame peak temperature, can to avoid heat pipe 6 directly contact Fire Radiation and damage
It is bad, while mounting hole bottom end is configured at a distance from side towards the fire according to heat exchange amount, to guarantee that heat pipe 6 avoids flame high temperature spoke
It penetrates, cooling effect only is played to flame plate 9.Multiple First air horizontal channels 10 are provided in the middle part of flame plate 9, one time wind levels are logical
Road 10 is evenly arranged around gas nozzle 13, and 9 outer end of flame plate is provided with multiple Secondary Air swirl channels 8, Secondary Air
Swirl channel 8 is swirl vane or eddy flow conduit with certain angle, and specific structure is the prior art, no longer superfluous herein
It states.
When work, combustion gas is delivered to gas nozzle 13 through fuel gas conduit 3, from thereon a gas jet orifice 11 and secondary combustion gas
Spray orifice 12 sprays, and combustion air enters from combustion-supporting wind inlet 4, and First air horizontal channel 10 and Secondary Air eddy flow through flame plate 9 are logical
The distribution in road 8 is mixed with combustion gas in 5 open end of combustion air sleeve, and high-tension ignition electrode 2 is lighted a fire, heart-shaped in gas nozzle 13
At stable gas flame.After burner works normally, flame plate 9 is due to by Fire Radiation heat exchange and forced convective heat transfer of flue
Double action, temperature rise rapidly, at this point, the heat pipe 6 for being located at 9 weather of flame plate starts to carry out active cooling to flame plate 9,
And transfer heat to combustion air, improve safety and the service life of burner head, at the same temperature promoted after combustion air into
Enter combustion zone, promotes the progress of efficient burning, effectively increase the thermal efficiency of efficiency of combustion and system；Another aspect flame
After disk 9 is cooled, the peak temperature of Fire Radiation is minimized, to reduce the generation of thermal NO.
Gas burner of the invention due to using flame plate Active Cooling, and transfers heat to combustion air
Efficient burning is carried out, effective cooling has been carried out to the flame plate on head, has improved the safety and service life of burner, and
The thermal efficiency for effectively improving efficiency of combustion and system reduces the generation of nitrogen oxides, especially suitable for natural gas of industry,
The burning of liquefied gas, biogas etc., can be widely applied to Industrial Stoves, metal smelting-furnace, forging kiln furnace, heater for rolling steel,
The gas heating and substitution transformation, market application prospect of hot-blast stove, Spraying Dryer of Ceramics etc. are wide.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (3)
1. a kind of active cooling type industrial gas burner, which is characterized in that including the closed combustion air sleeve in one end, wear
In the fuel gas conduit and high-tension ignition electrode on combustion air sleeve and the gas nozzle and flame plate in combustion air sleeve,
Combustion air sleeve closed end is equipped with combustion-supporting wind inlet, and combustion air sleeve openings are the tapered opening gradually tapered up to center, combustion gas
Nozzle and flame plate are close to combustion air sleeve openings end, and gas nozzle is connected to fuel gas conduit, and gas nozzle is circumferentially evenly arranged with
Multiple gas jet orifices and secondary gas jet orifice, a gas jet orifice central axis and gas nozzle central axis are in 45~75 ° of folders
Angle, secondary gas jet orifice central axis and gas nozzle central axis are in 15~30 ° of angles, and flame plate is coaxially mounted to gas nozzle
On, multiple First air horizontal channels are provided in the middle part of flame plate, First air horizontal channel is evenly arranged around gas nozzle,
Flame plate outer end is evenly arranged with multiple Secondary Air swirl channels, and flame plate luvisde is provided with multiple for cooling flame disk
Heat pipe.
2. active cooling type industrial gas burner according to claim 1, which is characterized in that the heat pipe inclination peace
Dress, horizontal by 5~30 ° of angles.
3. active cooling type industrial gas burner according to claim 2, which is characterized in that the flame plate luvisde
Circumferentially distributed to have multiple inclined mounting holes, which does not penetrate through, and bottom end and flame plate side towards the fire have certain distance, described
The hot end of heat pipe is placed in mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285740.4A CN108167828B (en) | 2017-12-07 | 2017-12-07 | An active cooling industrial gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285740.4A CN108167828B (en) | 2017-12-07 | 2017-12-07 | An active cooling industrial gas burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167828A CN108167828A (en) | 2018-06-15 |
| CN108167828B true CN108167828B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711285740.4A Active CN108167828B (en) | 2017-12-07 | 2017-12-07 | An active cooling industrial gas burner |
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| Country | Link |
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| CN (1) | CN108167828B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259604B (en) * | 2019-06-17 | 2020-09-01 | 中国人民解放军国防科技大学 | A needle plug injector |
| CN115681957B (en) * | 2022-10-21 | 2025-11-14 | 中国石油化工股份有限公司 | Energy-saving heating furnace |
| CN116146981B (en) * | 2023-04-17 | 2023-06-16 | 中国空气动力研究与发展中心超高速空气动力研究所 | Injection panel using air film cooling partition plate nozzle |
| CN119245035B (en) * | 2024-11-15 | 2025-06-10 | 无锡明阳氢燃动力科技有限公司 | Gas nozzle and gas nozzle detection and early warning method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012025A (en) * | 2010-12-10 | 2011-04-13 | 上海诺特飞博燃烧设备有限公司 | Low-NOx combustor with internal reflux of flue gas and homogeneous combustion and gas configuration method thereof |
| CN203384981U (en) * | 2013-07-02 | 2014-01-08 | 宁波中能连通机械有限公司 | Fuel gas burner |
| JP2017062085A (en) * | 2015-09-25 | 2017-03-30 | 新日鐵住金株式会社 | Burner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2449267A (en) * | 2007-05-15 | 2008-11-19 | Alstom Technology Ltd | Cool diffusion flame combustion |
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2017
- 2017-12-07 CN CN201711285740.4A patent/CN108167828B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012025A (en) * | 2010-12-10 | 2011-04-13 | 上海诺特飞博燃烧设备有限公司 | Low-NOx combustor with internal reflux of flue gas and homogeneous combustion and gas configuration method thereof |
| CN203384981U (en) * | 2013-07-02 | 2014-01-08 | 宁波中能连通机械有限公司 | Fuel gas burner |
| JP2017062085A (en) * | 2015-09-25 | 2017-03-30 | 新日鐵住金株式会社 | Burner |
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| Publication number | Publication date |
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| CN108167828A (en) | 2018-06-15 |
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