CN104595890B - Wall-attaching seamless flat-flame low nitrogen oxide emission burner - Google Patents
Wall-attaching seamless flat-flame low nitrogen oxide emission burner Download PDFInfo
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- CN104595890B CN104595890B CN201510058105.7A CN201510058105A CN104595890B CN 104595890 B CN104595890 B CN 104595890B CN 201510058105 A CN201510058105 A CN 201510058105A CN 104595890 B CN104595890 B CN 104595890B
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- side plate
- combustion
- combustion gas
- flame
- nitrogen oxide
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000011449 brick Substances 0.000 claims abstract description 27
- 239000000567 combustion gas Substances 0.000 claims description 41
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 238000004939 coking Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses a wall-attaching seamless flat-flame low nitrogen oxide emission burner. A brazier brick is in a hollow structure the upper part of which is of a trapezoid platform with a right angle, and the lower part of which is of a cuboid, and the hollow structure forms a combustion-supporting air passageway; the top of the trapezoid platform is provided with a rectangular opening; the combustion-supporting air passageway is connected with the rectangular opening; one side, along a length direction, of the cuboid is provided with grooves with the same number as fuel gas gun barrels; the fuel gas gun barrels are arranged in the grooves; one side, adjacent to the groove, of the trapezoid platform, is a slope, the slope inclines towards the rectangular opening, so as form an attachment flow slope for the flue gas jetted by a fuel gas nozzle. The wall-attaching burner adopts the novel brazier brick, a proper fuel gas gun barrel arrangement method and a fuel gas nozzle jetting slope, thereby forming uniform radiant temperature fields on a furnace wall and ensuring uniform heating of a furnace tube.
Description
Technical field
The present invention relates to chemical technology field, Flat-flame low-nitrogen oxide discharging combustion that more particularly to a kind of attached wall is seamless
Burner.
Background technology
The uniformity of coking furnace fire box temperature is extremely important for technological operation.The flat flame burner of traditional attached wall according to
Position, typically defines the radiation areas that multiple light and shades mingle on furnace wall, that is, the wall with flues corresponding to burner position is formed
High temperature clear zone, the revetment between burner is not due to having the burner scene of a fire, therefore is compared with low temperature dark space, thus, quilt in corresponding burner hearth
On the boiler tube of heating, also form temperature field mingles distribution, and corresponding intense radiation area occurs as soon as boiler tube hot-spot, knot in pipe
Burnt.This is primarily due to the limitation of coking furnace furnace bottom operating space, and sets during the design of coking furnace steel structure of furnace bottom self-strength
The bearing beam put limits, and burner can not possibly be accomplished sufficiently large it is also not possible to adopt setting multiple stage burner in appearance and size
Compact arranged method, to solve the problems, such as boiler tube thermally equivalent.
Content of the invention
Based on this it is necessary to the thermo parameters method being formed on furnace wall for traditional wall-attached burner uneven so that stove
Pipe be heated inequality problem, provide a kind of can be formed on furnace wall uniform radiant temperature field, guarantee boiler tube thermally equivalent attached
Wall is seamless Flat-flame low-nitrogen oxide discharging burner.
A kind of attached wall is seamless Flat-flame low-nitrogen oxide discharging burner, including combustion system, to wind system, igniting system
System and monitoring system, described combustion system includes brazier brick and gas supply system；
It is soft that described gas supply system includes the gas gun air inlet that combustion gas drum straight tube connected with described combustion gas drum straight tube
Pipe, the combustion gas gun barrel being arranged on described combustion gas drum straight tube and the gas nozzle being arranged on described combustion gas gun barrel top；
Described brazier brick is divided into trapezoid platform with a right ang, bottom to be divided into the hollow structure of cuboid, described hollow structure for top
Constitute combustion air runner, the top of described trapezoid platform with a right ang is provided with oblong openings, described combustion air runner and described length
Square aperture connects；
A described cuboid side along its length is provided with the groove equal with described combustion gas gun barrel quantity, described combustion
Air gun pipe is arranged in described groove, and described trapezoid platform with a right ang is inclined-plane near the one side of described groove, and described inclined-plane is to described
Oblong openings tilt, and constitute the combustion gas attachment flowing inclined plane of described gas nozzle injection.
Wherein in an embodiment, the described combustion gas gun barrel being arranged on described combustion gas drum straight tube at least two.
Wherein in an embodiment, described inclined-plane is provided with multiple tracks stepped style of opening inclined-plane, and described multiple tracks is stepped
Opening inclined-plane constitutes the combustion gas attachment flowing inclined plane of corresponding gas nozzle injection.
Wherein in an embodiment, the described voltage stabilizing shunting wind including to wind system being arranged on described brazier brick inner bottom part
Case, the cylinder being connected with described brazier brick and be arranged on the tune wind butterfly valve near bottom side for the described cylinder；Set in described cylinder
One end and voltage stabilizing is had to shunt the combustion air feed path that bellows connects, the other end and described tune wind butterfly valve connect.
Wherein in an embodiment, described voltage stabilizing shunting bellows include housing, first point being arranged in described housing
Stream deflector and the second shunting deflector；Described housing includes the first side plate, the second side plate, the 3rd side plate, the 4th side plate and many
Orifice plate, described first side plate, the second side plate, the 3rd side plate, the 4th side plate and porous plate enclose formation one with described porous plate
For top surface, described first side plate, the second side plate, the 3rd side plate and the rectangular structure that the 4th side plate is four sides, described
Side plate, the second side plate, the 3rd side plate and the first shunting deflector enclose formation first flow, described first side plate, first point
Stream deflector, the 3rd side plate and second shunting deflector enclose formation y shape runner, described first side plate, second shunting deflector,
3rd side plate and the 4th side plate enclose formation second flow channel.
Wherein in an embodiment, described ignition system includes altar lamp, kept burning day and night with what described altar lamp was connected respectively
Lamp gas hose and igniter aperture；Described altar lamp is arranged in described cylinder, and runs through described voltage stabilizing shunting bellows, extends to
Centre position within described brazier brick, described igniter aperture is arranged on the bottom of described cylinder.
Wherein in an embodiment, described monitoring system includes flame-observing hole, and described flame-observing hole is arranged on described cylinder
Bottom.
Wherein in an embodiment, the barrel of described cylinder includes inner tube wall and outer tube wall, and described inner tube wall is noise reduction
Porous plate, is filled with refractory material between described inner tube wall and outer tube wall.
Above-mentioned attached wall is seamless Flat-flame low-nitrogen oxide discharging burner, using the brazier brick of new model, and using closing
Suitable combustion gas gun barrel arrangement and gas nozzle injection inclined-plane, so that brazier brick extends along the direction that boiler tube is arranged, form narrow
Long rectangle combustion air direct jet spray orifice, when realizing normal operating in burner hearth, forms wider during separate unit burner combustion
Attached wall, flat flame, so that the flame between adjacent two burner is joined together, uniform radiation temperature formed on furnace wall
It is ensured that the thermally equivalent of boiler tube.
Brief description
Fig. 1 is the structural representation of the attached wall seamless Flat-flame low-nitrogen oxide discharging burner of an embodiment；
Fig. 2 is the front view of burner in Fig. 1；
Fig. 3 is the left sectional view of burner in Fig. 1；
Fig. 4 is the structural representation that in Fig. 1, voltage stabilizing shunts bellows；
Fig. 5 is the structural representation of brazier brick in Fig. 1；
Fig. 6 is the seamless flame combustion schematic diagram of an embodiment.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate a lot of details in order to fully understand this in the following description
Bright.But the present invention can be much to implement different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done, therefore the present invention is not embodied as being limited by following public in the case of running counter to intension of the present invention.
It should be noted that when element is referred to as " setting " in another element, it can be directly in another element
Go up or can also there is element placed in the middle.When an element is considered as " connection " another element, it can directly be connected
Lead to another element, or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of body embodiment is it is not intended that in limiting the present invention.
The attached wall seamless Flat-flame low-nitrogen oxide discharging burner application of the present invention, when petrochemical industry coking furnace, is led to
Cross mounting flange plate to assemble with coking steel plate of furnace hearth, typically with bolts or welded and installed.
Refer to Fig. 1 ~ 5, the attached wall seamless Flat-flame low-nitrogen oxide discharging burner of an embodiment, including burning
System, to wind system, ignition system and detecting system.
Wherein, combustion system includes brazier brick 10 and gas supply system.
In the present embodiment, gas supply system includes combustion gas drum straight tube 22, gas gun air induction hose 24, gas gun
Pipe 26 and gas nozzle 28.
Gas gun air induction hose 24 is connected with combustion gas drum straight tube 22, for delivery of fuel gas.
Combustion gas gun barrel 26 is arranged on combustion gas drum straight tube 22.
Preferably, it is arranged on the combustion gas gun barrel at least two on combustion gas drum straight tube 22.
Gas nozzle 28 is arranged on the top of combustion gas gun barrel 26.
Brazier brick 10 is divided into trapezoid platform with a right ang, bottom to be divided into the hollow structure of cuboid for top.
Wherein, hollow structure constitutes combustion air runner 12.
Preferably, combustion air runner 12 is designed with special curved surface according to hydrodynamics feature, by combustion air jet
To furnace wall.
The top of trapezoid platform with a right ang is provided with oblong openings 14.Combustion air runner 12 is connected with oblong openings 14.
Oblong openings 14 are combustion air spout.
A cuboid side along its length is provided with the groove 16 equal with above-mentioned combustion gas gun barrel 26 quantity.
Combustion gas gun barrel 26 is arranged in groove 16.
Using branched combustion gas gun barrel 26 compact, concentrate equably arrange, the arrangement size Control of branched combustion gas gun barrel 26 exists
Within the scope of burner cylinder.
Trapezoid platform with a right ang is inclined-plane 18 near the one side of above-mentioned groove 16.Inclined-plane 18 tilts to above-mentioned oblong openings 14,
Constitute the combustion gas attachment flowing inclined plane of gas nozzle 28 injection.
Preferably, inclined-plane 18 is provided with multiple tracks stepped style of opening inclined-plane, and it is right that this multiple tracks stepped style of opening inclined-plane is constituted
Answer the combustion gas attachment flowing inclined plane of gas nozzle injection, the combustion gas of multiple gas nozzles injection is guided the combustion air of brazier brick
Spout.
Specifically, above-mentioned inclined-plane 18 is provided with two different inclined planes of angle, the different inclined plane of this two angles according to
Minor tick is arranged, the corresponding top of each inclined plane is provided with the combustion gas gun barrel 26 of gas nozzle 28, and this inclined plane constitutes this
The combustion gas attachment flowing inclined plane of corresponding gas nozzle 28 injection.
It should be noted that above-mentioned combustion gas gun barrel, the quantity of gas nozzle, setting angle, spray orifice size etc. can bases
The payload design of burner.
The arrangement of above-mentioned brazier brick and gas supply system is it is ensured that combustion gas is continuously and uniformly sprayed onto the low pressure of brazier brick mouth
Recirculation zone, well with combustion air mixed combustion.Brazier brick extends along boiler tube direction, is designed to long and narrow rectangle combustion-supporting
Air direct jet spray orifice, forms the flat flame of ultra-wide, so that the flame between adjacent two burner is joined together during burning,
Attached wall burning forms seamless combustion zone, finally obtains the temperature field of homogeneous radiation in coking furnace it is ensured that coking boiler tube
Thermally equivalent.
In the present embodiment, the voltage stabilizing including being arranged on brazier brick 10 inner bottom part to wind system shunts bellows 32 and fire
Cylinder 34 that basin brick 10 is connected and be arranged on the tune wind butterfly valve 36 near bottom side for the cylinder 34.
Wherein, be provided with cylinder 34 one end and voltage stabilizing shunt bellows 32 connect, the other end and helping that tune wind butterfly valve 36 connects
Combustion air feed path 38.
Wind butterfly valve 36 is adjusted to be used for the conveying that adjustment controls combustion air.
It is appreciated that combustion air feed path 38 is connected with combustion air runner 12.
In the present embodiment, voltage stabilizing shunting bellows 32 include housing, first being arranged in housing shunting deflector 320
With the second shunting deflector 330.
Wherein, housing includes the first side plate 321, the second side plate 322, the 3rd side plate 323, the 4th side plate 324 and porous plate
325.
Preferably, the first side plate 321, the second side plate 322, the 3rd side plate 323, the 4th side plate 324 and porous plate 325 enclose
Formed one with porous plate 325 as top surface, the first side plate 321, the second side plate 322, the 3rd side plate 323 and the 4th side plate 324 be
The rectangular structure of four sides.
Specifically, the first side plate 321, the second side plate 322, the 3rd side plate 323 and the first shunting deflector 320 enclose and are formed
First flow.
First side plate 321, second shunts deflector 330, the 3rd side plate 323 and the 4th side plate 324 and encloses formation second
Road.
First side plate 321, first shunts deflector 320, the 3rd side plate 323 and the second shunting deflector 330 and encloses formation y
Shape runner.
Wherein, the first shunting deflector 320 and the second shunting deflector 330 lower end are stretched in cylinder 34.
When being applied to petrochemical industry coking furnace, above-mentioned brazier brick 10 is arranged on steel plate of furnace hearth, and voltage stabilizing shunts bellows 32
It is welded on this steel plate of furnace hearth, its first shunting deflector 320 and second shunts the preformed hole that deflector 330 passes through steel plate of furnace hearth
Stretch in cylinder 34, combustion air is shunted as needed, and imported in brazier brick 10 after porous plate 325 voltage stabilizing.
It is appreciated that voltage stabilizing is shunted bellows 32 by brazier brick 10 covering completely.
Above-mentioned voltage stabilizing shunting bellows 32, by carrying out shunt regulator to combustion air, make combustion air with longer and narrower shape
Direct jet sprays, and makes the flame of burner more flat, long and narrow as shown in Figure 6, realizes adjacent burners flame and join together, attached
Wall burning forms seamless combustion zone.
For insulation, noise reduction, the barrel of cylinder 34 includes inner tube wall 341 and outer tube wall 342.Inner tube wall 341 is fall
Make an uproar porous plate.
It is filled with refractory material 343 between inner tube wall 341 and outer tube wall 342.
In the present embodiment, ignition system include altar lamp 42, the altar lamp combustion gas that is connected with altar lamp 42 respectively soft
Pipe 44 and igniter aperture 46.
Wherein, altar lamp 42 is arranged in cylinder 34, and runs through voltage stabilizing shunting bellows 32, extends within brazier brick 10
Centre position.
The fuel gas of altar lamp 42 conveys supply by altar lamp gas hose 44.
Igniter aperture 46 is arranged on the bottom of cylinder 32.
In the present embodiment, monitoring system includes flame-observing hole 52.
Wherein, flame-observing hole 52 is arranged on the bottom of cylinder 32.
Altar lamp 42, energy ignition burner, safety when again can guarantee that heating furnace normal operating are lighted by igniter aperture 46
The needs of aspect.
Above-mentioned attached wall is seamless Flat-flame low-nitrogen oxide discharging burner, flame is designed to longer and narrower, dispersion fire
The intensity of flame burning, reduces the temperature of combustion zone, effectively inhibits the generation of nitrogen oxides it is achieved that low NOx
The purpose of discharge.
Additionally, carrying out seamless flame combustion, obtain the temperature field of homogeneous radiation it is ensured that being uniformly subject to of coking boiler tube
Heat, reduces the risk of boiler tube hot-spot, beneficial to the further improving yield of coking furnace, saving energy consumption.
Said burner also is compliant with low fever's formula, attached wall Flat-flame, fuel are the requirement of combustion gas, and flame is upright and outspoken strong.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (6)
1. the seamless Flat-flame low-nitrogen oxide discharging burner of a kind of attached wall, including combustion system, gives wind system, ignition system
And monitoring system, described combustion system includes brazier brick and gas supply system；It is characterized in that,
Described gas supply system include gas gun air induction hose that combustion gas drum straight tube connected with described combustion gas drum straight tube,
The combustion gas gun barrel being arranged on described combustion gas drum straight tube and the gas nozzle being arranged on described combustion gas gun barrel top；
Described brazier brick is divided into trapezoid platform with a right ang, bottom to be divided into the hollow structure of cuboid for top, and described hollow structure is constituted
Combustion air runner, the top of described trapezoid platform with a right ang is provided with oblong openings, described combustion air runner and described rectangle
Open communication；
A described cuboid side along its length is provided with the groove equal with described combustion gas gun barrel quantity, described gas gun
Pipe is arranged in described groove, and described trapezoid platform with a right ang is inclined-plane near the one side of described groove, and described inclined-plane is to described rectangular
Shape opening tilts, and constitutes the combustion gas attachment flowing inclined plane of described gas nozzle injection；
The cylinder that the described voltage stabilizing including being arranged on described brazier brick inner bottom part to wind system is shunted bellows, is connected with described brazier brick
Body and be arranged on the tune wind butterfly valve near bottom side for the described cylinder；It is provided with one end with voltage stabilizing shunting bellows even in described cylinder
The combustion air feed path that the logical, other end is connected with described tune wind butterfly valve；
Described voltage stabilizing shunting bellows include housing, first being arranged in described housing shunting deflector and the second shunting water conservancy diversion
Plate；Described housing includes the first side plate, the second side plate, the 3rd side plate, the 4th side plate and porous plate, described first side plate, second
Side plate, the 3rd side plate, the 4th side plate and porous plate enclose formation one with described porous plate as top surface, described first side plate, the
Two side plates, the 3rd side plate and the rectangular structure that the 4th side plate is four sides, described first side plate, the second side plate, the 3rd side
Plate and the first shunting deflector enclose formation first flow, described first side plate, the first shunting deflector, the 3rd side plate and second
Shunting deflector encloses formation y shape runner, and described first side plate, the second shunting deflector, the 3rd side plate and the 4th side plate enclose
Form second flow channel.
2. the seamless Flat-flame low-nitrogen oxide discharging burner of attached wall according to claim 1 is it is characterised in that described
It is arranged on the combustion gas gun barrel at least two on described combustion gas drum straight tube.
3. the seamless Flat-flame low-nitrogen oxide discharging burner of attached wall according to claim 1 is it is characterised in that described
Inclined-plane is provided with multiple tracks stepped style of opening inclined-plane, and described multiple tracks stepped style of opening inclined-plane constitutes corresponding gas nozzle injection
Flowing inclined plane is adhered in combustion gas.
4. the seamless Flat-flame low-nitrogen oxide discharging burner of attached wall according to claim 1 is it is characterised in that described
Ignition system includes altar lamp, be connected with described altar lamp respectively altar lamp gas hose and igniter aperture；Described altar lamp
It is arranged in described cylinder, and runs through described voltage stabilizing shunting bellows, extend to the centre position within described brazier brick, described point
Firearm hole is arranged on the bottom of described cylinder.
5. the seamless Flat-flame low-nitrogen oxide discharging burner of attached wall according to claim 1 is it is characterised in that described
Monitoring system includes flame-observing hole, and described flame-observing hole is arranged on the bottom of described cylinder.
6. the seamless Flat-flame low-nitrogen oxide discharging burner of attached wall according to claim 1 is it is characterised in that described
The barrel of cylinder includes inner tube wall and outer tube wall, and described inner tube wall is noise reduction porous plate, fills out between described inner tube wall and outer tube wall
It is filled with refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058105.7A CN104595890B (en) | 2015-02-05 | 2015-02-05 | Wall-attaching seamless flat-flame low nitrogen oxide emission burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058105.7A CN104595890B (en) | 2015-02-05 | 2015-02-05 | Wall-attaching seamless flat-flame low nitrogen oxide emission burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595890A CN104595890A (en) | 2015-05-06 |
| CN104595890B true CN104595890B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510058105.7A Active CN104595890B (en) | 2015-02-05 | 2015-02-05 | Wall-attaching seamless flat-flame low nitrogen oxide emission burner |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109737402B (en) * | 2019-01-08 | 2020-06-05 | 湖南一航石化设备有限公司 | U-shaped flame low-nitrogen oxide burner for high-temperature hearth |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201121890Y (en) * | 2007-06-19 | 2008-09-24 | 洛阳瑞昌石油化工设备有限公司 | Low nitrogen oxide wall-attached energy-saving environment friendly graded combustor |
| US20110053102A1 (en) * | 2008-04-10 | 2011-03-03 | Babcock-Hitachi Kabushiki Kaisha | Solid fuel burner, combustion apparatus using solid fuel burner, and method of operating the combustion apparatus |
| CN202056863U (en) * | 2011-01-12 | 2011-11-30 | 中国石油化工股份有限公司 | Wall-attached burner and heating furnace |
| CN202382229U (en) * | 2011-11-25 | 2012-08-15 | 中国石油天然气股份有限公司 | Wide flame flat wall-attached low nitrogen oxide energy-saving gas burner |
| CN202769654U (en) * | 2012-07-13 | 2013-03-06 | 江苏焱鑫科技股份有限公司 | Burner attached to wall |
| CN203147763U (en) * | 2013-03-22 | 2013-08-21 | 湖南吉祥石化科技股份有限公司 | Multi-stage fuel flat wall-attached low-NOX-gas flame burner |
| CN204141578U (en) * | 2014-08-27 | 2015-02-04 | 洛阳明远石化技术有限公司 | A kind of burner and firing equipment |
| CN204127953U (en) * | 2014-10-08 | 2015-01-28 | 天华化工机械及自动化研究设计院有限公司 | A kind of low NOx pyrolysis furnace radiant wall burner of flat long flame |
| CN205048430U (en) * | 2015-02-05 | 2016-02-24 | 湖南吉祥石化科技股份有限公司 | Wall -attaching seamless flat -flame low nitrogen oxide emission burner |
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2015
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Effective date of registration: 20180306 Address after: Tongziling road 414000 Hunan Yueyang economic and Technological Development Zone No. 196 Patentee after: Yueyang Hengsheng Petrochemical Technology Co., Ltd. Address before: 414000 No. 1, Yueyang Avenue, Yueyang, Hunan Patentee before: Hunan Jixiang Petrochemical Science & Technology Co., Ltd. |
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