CN107655006B - Flat flame ultralow NOx emission combustor suitable for styrene steam superheating furnace - Google Patents
Flat flame ultralow NOx emission combustor suitable for styrene steam superheating furnace Download PDFInfo
- Publication number
- CN107655006B CN107655006B CN201711203227.6A CN201711203227A CN107655006B CN 107655006 B CN107655006 B CN 107655006B CN 201711203227 A CN201711203227 A CN 201711203227A CN 107655006 B CN107655006 B CN 107655006B
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- Prior art keywords
- burner
- fuel gas
- tail gas
- nozzle
- fire
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 88
- 239000002737 fuel gas Substances 0.000 claims abstract description 82
- 239000011449 brick Substances 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000030279 gene silencing Effects 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 15
- 239000007921 spray Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14003—Special features of gas burners with more than one nozzle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a flat-flame ultralow NOx emission burner suitable for a styrene steam superheating furnace, which comprises a burner main body, a gas gun part, a tail gas gun part, a pilot burner, a fire pan brick, a wind adjusting mechanism, a fire observation hole and an ignition hole. Three chambers are arranged in parallel in the fire pan brick. The chambers at the two sides in the fire basin brick are symmetrical. The fire mouth positions at the tops of the lateral sections of the chambers at the two sides in the fire basin brick are provided with inward closing-in openings to form an inner splayed structure, and the upper end of the forward section of each chamber in the chambers at the two sides forms a horn structure. According to the invention, two groups of fuel gas nozzle nozzles are distributed on two sides of the tail gas nozzle, the fuel gas nozzle is higher than the tail gas nozzle, and tail gas and fuel gas are combusted in a grading manner, so that the generation of NOx is inhibited; the combustion air is divided into three chambers in the fire basin brick, and the combustion air is combusted in cooperation with the fuel gas burner nozzle and the tail gas burner nozzle in the chambers to form air classification, so that the generation of NOx can be effectively further inhibited.
Description
Technical Field
The invention relates to burner equipment for a petrochemical styrene steam superheating furnace, in particular to a flat flame ultralow NOx emission burner suitable for the styrene steam superheating furnace.
Background
At present, most of the burners are difficult to adapt to high-temperature furnaces, such as a furnace chamber temperature of a steam superheating furnace of a styrene device is higher than 1000 ℃, the high-temperature furnaces have great influence on the service lives of a burner spray gun and a burner nozzle, and the high temperature is not beneficial to inhibiting the generation of NOx.
Disclosure of Invention
Aiming at the defects that the prior art influences the service lives of a spray gun and a spray nozzle on a high-temperature furnace and is unfavorable for inhibiting the generation of NOx, the invention provides the flat-flame ultralow NOx emission burner which can resist the high-temperature furnace, has good flame forming and can effectively inhibit the generation of NOx and is suitable for a styrene steam superheating furnace.
In order to solve the technical problems, the invention adopts the following technical scheme:
a flat-flame ultralow NOx emission burner suitable for a styrene steam superheating furnace comprises a burner main body, a gas gun part, a tail gas gun part and a pilot burner. The top of the burner main body is provided with a fire basin brick. The burner body is in communication with the firebowl brick. The side of the burner main body is provided with an air adjusting mechanism. The bottom of the burner main body is provided with a fire observation hole and an ignition hole.
The exterior of the fire basin brick is in a cuboid structure. Three chambers are arranged in parallel in the fire pan brick. All three chambers are in communication with the burner body. The chambers at the two sides in the fire pot brick are symmetrical. The fire mouth positions at the tops of the lateral sections of the chambers at the two sides in the fire basin brick are provided with inward closing-in openings to form an inner splayed structure, and the upper end of the forward section of each chamber in the chambers at the two sides forms a horn structure. The upper end of the lateral section of the middle chamber in the fire pot brick forms an outer splayed structure.
The tail gas gun part comprises a tail gas bag collecting pipe, two tail gas gun barrels and two tail gas burner nozzles.
The tail gas nozzle spray heads are arranged at the top of the tail gas gun tube, and one tail gas gun tube corresponds to one tail gas nozzle spray head. One end of the pilot burner penetrates through the bottom of the burner main body and stretches into the middle of the fire basin brick middle chamber, the top ends of the two tail gas gun barrels penetrate through the bottom of the burner main body and stretch into the fire basin brick middle chamber, the other end of the pilot burner is connected with the tail gas air bag collecting pipe, and the two tail gas gun barrels are distributed on two sides of the pilot burner.
The gas gun part comprises a gas bag collecting pipe, two fuel gas gun barrels and two groups of fuel gas burner nozzles.
The fuel gas nozzle spray heads are arranged at the top of the fuel gas gun barrel, and a group of fuel gas nozzle spray heads correspond to one fuel gas gun barrel. The top ends of the two fuel gas gun barrels penetrate through the bottom of the burner main body and respectively extend into the chambers on two sides of the fire basin brick, the other ends of the two fuel gas gun barrels are respectively connected with the fuel gas bag collecting pipe, and the two groups of fuel gas burner nozzles are respectively distributed on two sides of the tail gas burner nozzle. The fuel gas burner nozzle is higher than the tail gas burner nozzle.
In one embodiment, each set of the fuel gas burner tips includes 2 to 6 fuel gas burner tips.
In one embodiment, the injection angles of the two groups of fuel gas burner nozzles are symmetrical.
In one embodiment, the gas gun section further comprises two small manifolds. The two small collecting pipes are respectively arranged at the tops of the two fuel gas barrels. And each fuel gas burner nozzle is communicated with the corresponding small collecting pipe.
In one embodiment, the burner main body comprises an inner cylinder, ceramic fiber cotton and an outer cylinder which are sequentially arranged from inside to outside, and small round holes are punched in the inner cylinder.
In one embodiment, a muffler plate is disposed between the inner and outer cylinders.
In one embodiment, the end of the air regulating mechanism away from the burner main body is provided with a silencing cover.
In one embodiment, each fuel gas burner nozzle is communicated with a small collecting pipe corresponding to the fuel gas burner nozzle through a movable joint, so that the fuel gas burner nozzle is convenient to detach.
In one embodiment, the gas bag collecting pipe is provided with an air inlet joint or a flange, and the tail gas bag collecting pipe is also provided with an air inlet joint or a flange.
The invention has the advantages and beneficial effects that:
1. the fire basin brick is internally provided with three independent chambers, and the fuel gas burner nozzle and the tail gas burner nozzle are distributed and designed in the three independent chambers in the fire basin brick, so that the influence of high-temperature radiation in a hearth on a fuel gas gun barrel, the fuel gas burner nozzle, the tail gas gun barrel and the tail gas burner nozzle is avoided, and the fire basin brick can resist high temperature.
2. The invention discloses a fuel gas burner nozzle and a tail gas burner nozzle which are combusted in independent chambers, so that the serial combustion between the burner nozzle and the burner nozzle can be avoided, the temperature of the flame center can be controlled, and the generation of NOx can be restrained. The fuel gas nozzle heads are distributed on two sides of the tail gas nozzle heads, and the fuel gas nozzle heads are higher than the tail gas nozzle heads, so that the staged combustion of fuel is formed. The three-chamber fire basin brick is divided into 3 chambers, so that air classification is formed, and the combustion temperature is favorably controlled. In summary, the present invention achieves ultra low NOx emissions.
3. The three-chamber fire basin brick can be mixed-burned by two or more fuel gases, thereby realizing multi-fuel combustion.
4. The invention comprises small round holes, ceramic fiber cotton, a silencing plate and a silencing cover, and can strengthen silencing and reduce noise.
Drawings
Fig. 1 is a side cross-sectional view of the present invention.
Fig. 2 is a principal partial cross-sectional view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a side view of the firebasin brick of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4 in accordance with the present invention.
Fig. 6 is a top view of the present invention.
Fig. 7 is a cross-sectional perspective view of B-B in fig. 6.
Fig. 8 is a schematic perspective view of a fire pan brick of the present invention.
Fig. 9 is a bottom view of the firebasin brick of the present invention.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
Referring to fig. 1 to 3, a flat flame ultra-low NOx emission burner suitable for a styrene steam superheater comprises a burner main body 7, a gas gun part, a tail gas gun part, a pilot burner 3, a fire pan brick 1, a wind adjusting mechanism 5, a fire observing hole 8 and an ignition hole 9.
Wherein the top of the burner body 7 is provided with a fire basin brick 1. The burner body 7 communicates with the firebowl brick 1. The side of the burner main body 7 is provided with a wind adjusting mechanism 5. The bottom of the burner body 7 is provided with a fire observation hole 8 and an ignition hole 9.
The tail gas gun part comprises a tail gas bag collecting pipe, two tail gas gun barrels 61 and two tail gas burner nozzles 62.
The gas gun part comprises a gas bag collecting pipe 22, two fuel gas gun barrels 21, two groups of fuel gas burner nozzles 23 and two small collecting pipes 24.
Referring to fig. 4 to 9, the exterior of the firebrick 1 has a rectangular parallelepiped structure. Three chambers 11 are arranged in parallel in the fire basin brick 1. All three chambers 11 are in communication with the burner body 7. The chambers 11 on both sides in the fire basin brick 1 are symmetrical. The fire hole positions of the tops of the lateral sections of the chambers 11 on the two sides in the fire basin brick 1 are provided with inward closing openings to form an inner splayed structure, so that the burnt flames are close to the middle to form flat flames, the influence of the temperature radiation of the hearth on the fuel gas burner nozzle 23 and the tail gas burner nozzle 62 is avoided, the upper end of the forward section of each chamber 11 in the chambers 11 on the two sides forms a horn structure, the burnt flames are widened, and the radiation of the flames to the hearth is more uniform. The upper end of the lateral section of the middle chamber 11 in the fire basin brick 1 forms an out splaying structure.
Specifically, the tail gas burner nozzle 62 is disposed at the top of the tail gas gun barrel 61, and one tail gas gun barrel 61 corresponds to one tail gas burner nozzle 62. One end of the pilot burner 3 extends through the bottom of the burner body 7 into the middle of the intermediate chamber 11 of the burner block 1, which primarily ignites the tail gas burner head 62 and the fuel gas burner head 23 and maintains continuous combustion. The top ends of the two tail gas barrels 61 penetrate through the bottom of the burner main body 7 and extend into the cavity 11 in the middle of the fire basin brick 1, the other ends of the two tail gas barrels 61 are connected with a tail gas bag collecting pipe, the two tail gas barrels 61 are distributed on two sides of the pilot burner 3, and the tail gas burner nozzles 62 on two sides can burn uniformly and symmetrically.
Specifically, two small manifolds 24 are provided on top of the two fuel gas barrels 21, respectively. The top ends of the two fuel gas gun barrels 21 penetrate through the bottom of the burner main body 7 and respectively extend into the chambers 11 on two sides of the fire basin brick 1, and the other ends of the two fuel gas gun barrels are respectively connected with the fuel gas bag collecting pipes 22, so that fuel gas is ensured to flow from the fuel gas bag collecting pipes 22 to the fuel gas gun barrels 21 on two sides. The group of fuel gas burner nozzles 23 corresponds to the fuel gas gun barrel 21 and the small collecting pipe 24, each group of fuel gas burner nozzles 23 comprises 2-6 fuel gas burner nozzles 23, each fuel gas burner nozzle 23 is communicated with the corresponding small collecting pipe 24 through a movable joint, the disassembly is convenient, and the two groups of fuel gas burner nozzles 23 are distributed on two sides of the tail gas burner nozzle 62; the two groups of fuel gas burner nozzles 23 have symmetrical injection angles and a multi-nozzle structure, so that combustion flames are flatter, and meanwhile, the concentrated combustion of the flames is avoided, and the generation of NOx is inhibited. The two groups of fuel gas nozzle tips 23 are respectively distributed on two sides of the tail gas nozzle tip 62, the fuel gas nozzle tip 23 is higher than the tail gas nozzle tip 62, and the tail gas nozzle tip 62 and the fuel gas nozzle tip 23 burn in a grading manner, so that NOx generation is inhibited.
Specifically, combustor main part 7 includes inner tube, ceramic fiber cotton, the urceolus that sets gradually from inside to outside, and ceramic fiber cotton plays heat preservation and amortization's effect, and the small round hole is dashed on the inner tube, plays the purpose of strengthening noise reduction.
Wherein, be equipped with the acoustical panel between inner tube and the urceolus.
Specifically, the end of the air adjusting mechanism 5 far away from the burner main body 7 is provided with a silencing cover 4 for strengthening silencing, mainly when the air conditioner is naturally ventilated, noise generated during operation of the air conditioner is prevented from being transmitted from the inside. The silencing cover 4 is mainly characterized in that the silencing cover 4 is fixed at the position of an air inlet of the air adjusting mechanism 5 through four posts, a certain gap is kept, and the air quantity required by the combustor is ensured. The gas bag collecting pipe 22 is provided with an air inlet joint or a flange, and the tail gas bag collecting pipe is also provided with an air inlet joint or a flange.
The wind adjusting mechanism 5 comprises wind shield blades, a connecting rod mechanism and a wind adjusting handle.
The working principle and the working process of the invention are as follows:
according to the three-chamber 11 structure of the fire basin brick, two groups of fuel gas nozzle nozzles 23 are distributed on two sides of the tail gas nozzle 62, the fuel gas nozzle 23 is higher than the tail gas nozzle 62, and the tail gas nozzle 62 and the fuel gas nozzle 23 burn in a grading manner, so that NOx generation is inhibited.
The three chambers 11 in the fire basin brick 1 shunt combustion air to the three chambers 11, and the combustion air is combusted in cooperation with the fuel gas burner nozzle 23 and the tail gas burner nozzle 62 in the chambers 11 to form air classification, so that the generation of NOx can be effectively further inhibited.
The invention has the advantages and beneficial effects that:
1. the fire basin brick 1 is internally provided with three independent chambers 11, and the fuel gas burner nozzle 23 and the tail gas burner nozzle 62 are distributed and designed in the three independent chambers 11 in the fire basin brick 1, so that the influence of high-temperature radiation in a hearth on the fuel gas gun barrel 21, the fuel gas burner nozzle 23, the tail gas gun barrel 61 and the tail gas burner nozzle 62 is avoided, and the fire basin brick can resist high temperature.
2. The fuel gas burner nozzle 23 and the tail gas burner nozzle 62 are combusted in the independent cavity 11, so that the serial combustion between the burner nozzle and the burner nozzle can be avoided, the temperature of the flame center can be controlled, and the generation of NOx is restrained. The fuel gas burner nozzles 23 are distributed on both sides of the tail gas burner nozzle 62, and the fuel gas burner nozzle 23 is higher than the tail gas burner nozzle 62, forming staged combustion of fuel. The three-chamber fire basin brick 1 is divided into 3 chambers 11, so that air classification is formed, and the combustion temperature can be controlled. In summary, the present invention achieves ultra low NOx emissions.
3. The three-chamber fire basin brick can be mixed-burned by two or more fuel gases, thereby realizing multi-fuel combustion.
4. The invention comprises small round holes, ceramic fiber cotton, a silencing plate and a silencing cover, and can strengthen silencing and reduce noise.
The above examples illustrate only one embodiment of the invention, which is described in more detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A flat flame ultra-low NOx emission burner suitable for a styrene steam superheating furnace is characterized by comprising a burner
The burner comprises a burner main body, a gas gun part, a tail gas gun part and a pilot burner, wherein a fire basin brick is arranged at the top of the burner main body, the burner main body is communicated with the fire basin brick, an air adjusting mechanism is arranged on the side surface of the burner main body, and a fire observation hole and an ignition hole are arranged at the bottom of the burner main body;
the fire basin brick is characterized in that the exterior of the fire basin brick is of a cuboid structure, three chambers are arranged in parallel in the fire basin brick and are communicated with the burner main body, the chambers at the two sides in the fire basin brick are symmetrical, inward closing-in ports are arranged at the top of the lateral sections of the chambers at the two sides in the fire basin brick to form an inward splayed structure, the upper end of the forward section of each chamber in the chambers at the two sides forms a horn structure, and the upper end of the lateral section of the middle chamber in the fire basin brick forms an outward splayed structure;
the tail gas gun part comprises a tail gas bag collecting pipe, two tail gas gun barrels and two tail gas burner nozzle heads, wherein the tail gas burner nozzle heads are arranged at the top of the tail gas gun barrels, one tail gas gun barrel corresponds to one tail gas burner nozzle head, one end of the pilot burner penetrates through the bottom of the burner main body and stretches into the middle of the middle chamber of the fire basin brick, the top ends of the two tail gas gun barrels penetrate through the bottom of the burner main body and stretch into the middle chamber of the fire basin brick, the other end of the two tail gas gun barrels are connected with the tail gas bag collecting pipe, and the two tail gas gun barrels are distributed at two sides of the pilot burner;
the gas gun part comprises a gas bag collecting pipe, two fuel gas gun barrels and two groups of fuel gas burner nozzles, the fuel gas burner nozzles are arranged at the top of the fuel gas gun barrel, one group of fuel gas burner nozzles correspond to one fuel gas gun barrel, the top ends of the two fuel gas gun barrels penetrate through the bottom of the burner main body and respectively extend into the chambers at two sides of the fire basin brick, the other ends of the two fuel gas gun barrels are respectively connected with the gas bag collecting pipe, the two groups of fuel gas burner nozzles are respectively distributed at two sides of the tail gas burner nozzle, and the fuel gas burner nozzle is higher than the tail gas burner nozzle.
2. Flat flame ultra low NOx emission burner suitable for styrene steam superheaters according to claim 1, it
Is characterized in that each group of fuel gas burner nozzle comprises 2-6 fuel gas burner nozzle.
3. Flat flame ultra low NOx emission burner suitable for styrene steam superheaters according to claim 1, it
Is characterized in that the injection angles of the two groups of fuel gas burner nozzles are symmetrical.
4. Flat flame ultra low NOx emission burner suitable for use in a styrene steam superheater as claimed in claim 2, which
The fuel gas gun is characterized in that the fuel gas gun part further comprises two small collecting pipes, the two small collecting pipes are respectively arranged at the tops of the two fuel gas gun barrels, one group of fuel gas burner nozzles corresponds to one small collecting pipe, and each fuel gas burner nozzle is communicated with the corresponding small collecting pipe.
5. Flat flame ultra low NOx emission burner suitable for styrene steam superheaters according to claim 1, it
Is characterized in that the burner main body comprises an inner cylinder, ceramic fiber cotton and an outer cylinder which are sequentially arranged from inside to outside, and small round holes are punched on the inner cylinder.
6. The flat flame ultra-low NOx emission burner for a styrene steam superheater of claim 5 which
Is characterized in that a silencing plate is arranged between the inner cylinder and the outer cylinder.
7. Flat flame ultra low NOx emission burner suitable for styrene steam superheaters according to claim 1, it
Is characterized in that the end of the air adjusting mechanism far away from the burner main body is provided with a silencing cover.
8. The flat flame ultra-low NOx emission burner for a styrene steam superheater of claim 4 which
Is characterized in that each fuel gas burner nozzle is communicated with a small collecting pipe corresponding to the fuel gas burner nozzle through a movable joint, and the disassembly is convenient.
9. Flat flame ultra low NOx emission burner suitable for styrene steam superheaters according to claim 1, it
Is characterized in that the gas bag collecting pipe is provided with an air inlet joint or a flange, and the tail gas bag collecting pipe is also provided with an air inlet joint or a flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711203227.6A CN107655006B (en) | 2017-11-27 | 2017-11-27 | Flat flame ultralow NOx emission combustor suitable for styrene steam superheating furnace |
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Application Number | Priority Date | Filing Date | Title |
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CN201711203227.6A CN107655006B (en) | 2017-11-27 | 2017-11-27 | Flat flame ultralow NOx emission combustor suitable for styrene steam superheating furnace |
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CN107655006A CN107655006A (en) | 2018-02-02 |
CN107655006B true CN107655006B (en) | 2023-12-08 |
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Citations (5)
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---|---|---|---|---|
CN201521956U (en) * | 2009-10-23 | 2010-07-07 | 洛阳瑞昌石油化工设备有限公司 | Multiheaded premix burner of reformer four-in-one heating furnace |
CN202902281U (en) * | 2012-10-15 | 2013-04-24 | 江苏焱鑫科技股份有限公司 | Back-mixing type multi-level burning low nitric oxide (NOx) gas burner |
CN205504984U (en) * | 2016-04-01 | 2016-08-24 | 北京佳德昌科技有限责任公司 | Gas recirculation low NOx burner in gas injection type stove |
CN106382629A (en) * | 2016-11-18 | 2017-02-08 | 岳阳钟鼎热工电磁科技有限公司 | Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission |
CN207599707U (en) * | 2017-11-27 | 2018-07-10 | 岳阳钟鼎热工电磁科技有限公司 | Suitable for styrene vapor superheater Flat flame ultra-low NOx emission burner |
-
2017
- 2017-11-27 CN CN201711203227.6A patent/CN107655006B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201521956U (en) * | 2009-10-23 | 2010-07-07 | 洛阳瑞昌石油化工设备有限公司 | Multiheaded premix burner of reformer four-in-one heating furnace |
CN202902281U (en) * | 2012-10-15 | 2013-04-24 | 江苏焱鑫科技股份有限公司 | Back-mixing type multi-level burning low nitric oxide (NOx) gas burner |
CN205504984U (en) * | 2016-04-01 | 2016-08-24 | 北京佳德昌科技有限责任公司 | Gas recirculation low NOx burner in gas injection type stove |
CN106382629A (en) * | 2016-11-18 | 2017-02-08 | 岳阳钟鼎热工电磁科技有限公司 | Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission |
CN207599707U (en) * | 2017-11-27 | 2018-07-10 | 岳阳钟鼎热工电磁科技有限公司 | Suitable for styrene vapor superheater Flat flame ultra-low NOx emission burner |
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