CN111006212B - Flame layered combustion control method for natural gas burner - Google Patents
Flame layered combustion control method for natural gas burner Download PDFInfo
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- CN111006212B CN111006212B CN201911267929.XA CN201911267929A CN111006212B CN 111006212 B CN111006212 B CN 111006212B CN 201911267929 A CN201911267929 A CN 201911267929A CN 111006212 B CN111006212 B CN 111006212B
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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, e.g. noise reduction means
- F23D14/48—Nozzles
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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
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
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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, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/007—Regulating air supply or draught using mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/26—Details
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a layered combustion control method for natural gas burner flame, which has the advantages of simple operation and adaptation to field working conditions, wherein a heating component is installed firstly, then the allowable length of the flame is determined, then the range of the flame sprayed out from an outer layer nozzle and the range of the flame sprayed out from an inner layer nozzle are determined, and then the range of the flame is adjusted, wherein the adjusting process comprises adjusting the positions of a porous flame stabilizing disc and a swirl fan, adjusting the rotating speed of an air blower according to requirements and then adjusting the extending distance of the outer layer nozzle, the adjusting process is simple and convenient, the normal operation of equipment is not influenced, the content of the produced nitrogen oxide is determined after the adjustment is finished, the sprayed flame reaches the preset allowable length through multiple adjustments, and simultaneously the generation of few nitrogen oxides can be ensured, and the whole control method is suitable for the processing of chemical products such as asphalt and the like, the control method is in accordance with the field working condition when being implemented.
Description
Technical Field
The invention relates to a control method of a special asphalt stirring burner, in particular to a flame stratified combustion control method of a natural gas burner.
Background
The nitrogen oxide generating sources in the industrial kiln and boiler industry are mainly three types, namely a heating type, a fuel type and a rapid type. The high-temperature high-method production method production method and CHN and generation method, wherein CH and CHN. Fuel-type nitrogen oxides can be removed by using a fuel without nitrogen molecules, such as natural gas; increasing the residence time of the combustibles in the flame front and the reaction zone at lower oxygen concentrations reduces the production of fast nitrogen oxides. The treatment of thermal nitrogen oxide is the main direction for reducing the emission of nitrogen oxide in the industry of industrial kilns and boilers.
A large number of researches show that emission can be effectively reduced by controlling the generation source of oxynitride through the technical improvement of the combustor, the reduction of the flame combustion temperature is also a control mode, and in addition, the sufficient combustion and the control of the amount of peroxide are also important channels. The inside pipeline that still adopts the simplex structure of current natural gas combustor, gas spun flame temperature is too high, still can produce a large amount of nitrogen oxides, the feature of environmental protection is not good, simultaneously natural gas combustor inner structure slam is unable reasonable adjusts flame, influence its nitrogen oxide's production, so natural gas combustor flame layering technique has appeared, but can not rationally adapt to the operating mode when current natural gas combustor flame layering technique uses, its operation is inconvenient simultaneously, influence the use.
Disclosure of Invention
The invention aims to provide a flame stratified combustion control method for a natural gas burner, which has the advantages of simple operation and adaptation to field working conditions, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a flame layered combustion control method for a natural gas burner comprises the following steps:
s1: mounting a heating part, namely uniformly mounting an inner layer nozzle and an outer layer nozzle on the inner side of the burner gun warehouse 3;
s2: determining the allowable length of flame, determining the farthest length of the flame according to the overall length and the temperature requirement of the drying cylinder (4), and simultaneously determining the range of the flame sprayed out of the outer region by the outer layer nozzle (2) and the range of the flame sprayed out of the inner region by the inner layer nozzle (1);
s3: adjusting the range of the flame of the inner zone, wherein the positions of a porous flame stabilizing disc and a swirl fan are adjusted by adopting a special high-temperature resistant material, and the porous flame stabilizing disc is in contact connection with an inner-layer nozzle;
s4: adjusting the wind speed, and adjusting the rotating speed of the air blower according to the requirement;
s5: adjusting the extending distance of the outer layer nozzle;
s6: measuring the content of the produced nitrogen oxides, wherein special detection equipment is arranged at one end of the drying cylinder so as to detect the content of the nitrogen oxides in the generated gas;
wherein the natural gas combustor includes following structure: inner nozzle, outer nozzle, combustor rifle storehouse, air-blower, natural gas reservoir, porous steady flame dish, whirl fan and combustor steel head, flange and bolted connection combustor rifle storehouse are passed through to the output of air-blower, and flange joint combustor steel head is passed through to the one end in combustor rifle storehouse, and combustor steel head and combustor rifle storehouse all stretch into the inner chamber of a stoving section of thick bamboo, and the welding has the natural gas reservoir on the outer wall in combustor rifle storehouse, natural gas reservoir intercommunication natural gas trunk line, and inner nozzle and outer nozzle are installed to the inboard in combustor rifle storehouse, and the inner nozzle is located the inboard of outer nozzle, and porous steady flame dish and whirl fan are installed to the one end of inner nozzle.
Preferably, when the inner nozzle and the outer nozzle are installed in the S1, it is required to ensure that the inner nozzle and the outer nozzle are both communicated with the natural gas storage chamber.
Preferably, the length of the flame in S2 is a predetermined area to be heated inside the drying drum before the natural gas burner is installed.
Preferably, the outer nozzle emits an outer zone flame area, i.e., an outer zone of air flow coaxial with, but spaced from, the centerline of the radially stratified flame core burner.
Preferably, the inner nozzle projects an inner zone flame zone, i.e. an inner zone of air flow and mineral fuel flow coaxial with the centerline of the radially stratified flame core burner.
Preferably, the swirl fan is arranged at the center of the side wall of the porous flame stabilizing disc, and through holes are formed in the porous flame stabilizing disc and the swirl fan.
Preferably, after detecting the content of nitrogen oxides in S8, the positions of the porous flame stabilizing disc and the swirl fan are adjusted.
Preferably, outer nozzle includes basic pipe, movable tube, stock and adjusting collar, and the one end intercommunication natural gas receiver of basic pipe, the other end swing joint movable tube of basic pipe, the one end of movable tube connection stock, the adjusting collar is connected to the other end of stock, the outer wall of adjusting collar contact combustor steel head, the lateral wall of stock run through combustor steel head.
Preferably, the inner zone flame is concentric with the outer zone flame.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a layered combustion control method for natural gas burner flames, which comprises the steps of firstly installing a heating part, then determining the allowable length of the flames, then determining the range of the flames sprayed out of an outer-layer nozzle and the range of the flames sprayed out of an inner-layer nozzle, and then adjusting the range of the flames, wherein the adjusting process comprises adjusting the positions of a porous flame stabilizing disc and a swirl fan, adjusting the rotating speed of an air blower according to requirements, then adjusting the extending distance of the outer-layer nozzle, is simple and convenient, does not influence the normal operation of equipment, measuring the content of the produced nitrogen oxides after the adjustment is finished, enabling the sprayed flames to reach the preset allowable length of the flames through multiple adjustments, and simultaneously ensuring the generation of few nitrogen oxides.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic enlarged view of a portion of a burner steel head according to the present invention;
FIG. 3 is an enlarged schematic view taken at A-A of the present invention;
FIG. 4 is an enlarged partial schematic view of an inner nozzle of the present invention;
fig. 5 is a schematic structural view of a swirl fan of the present invention.
In the figure: 1. an inner layer nozzle; 2. an outer layer nozzle; 21. a base pipe; 22. a movable tube; 23. sleeving a frame; 24. an adjusting sleeve; 3. a burner gun magazine; 4. a drying drum; 5. a blower; 6. a natural gas storage chamber; 7. a porous flame stabilizing disc; 8. a swirl fan; 9. a burner steel head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a method for controlling layered combustion of natural gas burner flames comprises the following steps:
the first step is as follows: the method comprises the following steps of (1) installing a heating part, namely uniformly installing an inner-layer nozzle 1 and an outer-layer nozzle 2 on the inner side of a burner gun warehouse 3, ensuring that the inner-layer nozzle 1 and the outer-layer nozzle 2 are communicated with a natural gas storage chamber 6 when the inner-layer nozzle 1 and the outer-layer nozzle 2 are installed, conveying natural gas to the natural gas storage chamber 6 by a natural gas main pipeline, and conveying the natural gas to the inner-layer nozzle 1 and the outer-layer nozzle 2 by the natural gas storage chamber 6;
the second step is that: determining the allowable length of flame, the length of flame being the predetermined area to be heated inside the drying cylinder 4 before the natural gas burner is installed, wherein the farthest length of the flame is determined according to the overall length and temperature requirement of the drying cylinder 4, because the natural gas burner is generally used for heating materials such as asphalt, the asphalt is heated in the drying cylinder 4, the length of flame is preset according to the amount of the asphalt and the volume of the drying cylinder 4, the preset length of flame is the optimal heating flame effect, and simultaneously, the range of flame sprayed out from the outer nozzle 2 is determined, the range of flame sprayed out from the outer nozzle 2 is the range of flame sprayed from the inner nozzle 1, the range of flame sprayed from the outer nozzle is the air flow coaxial with the central line of the radial layered flame core burner but keeps interval, the range of flame sprayed from the inner nozzle 1 is the range of flame sprayed from the inner nozzle, the range of flame is the air flow coaxial with the central line of the radial layered flame core burner and the inner region of mineral fuel flow, the inner zone flame and the outer zone flame are the same with the central axis;
the third step: adjusting the range of inner zone flame, wherein the positions of a porous flame stabilizing disc 7 and a swirl fan 8 are adjusted by adopting a special high-temperature resistant material, wherein the special high-temperature resistant material can be an adjusting frame made of 304 stainless steel, the adjusting mode is that the positions of the porous flame stabilizing disc 7 and the swirl fan 8 are rotated, the porous flame stabilizing disc 7 is in contact connection with the inner-layer nozzle 1, the swirl fan 8 is arranged at the center of the side wall of the porous flame stabilizing disc 7, through holes are respectively formed in the porous flame stabilizing disc 7 and the swirl fan 8, the porous flame stabilizing disc 7 and the swirl fan 8 both play a role in stabilizing flame, and the swirl fan 8 can also accelerate the combustion amount of inner-layer flame;
the fourth step: adjusting the wind speed, adjusting the rotating speed of the blower 5 according to the requirement, and simultaneously adjusting the rotating speed of the blower 5, the output wind quantity of the blower 5 can also be changed;
the fifth step: adjusting the extension distance of the outer nozzle 2, wherein the outer nozzle 2 comprises a base pipe 21, a movable pipe 22, a sleeve frame 23 and an adjusting sleeve 24, one end of the base pipe 21 is communicated with a natural gas storage chamber 6, natural gas in the natural gas storage chamber 6 is transmitted to the movable pipe 22 through the base pipe 21, the movable pipe 22 can move, the other end of the base pipe 21 is movably connected with the movable pipe 22, the movable pipe 22 is connected with one end of the sleeve frame 23, the sleeve frame 23 can drive the movable pipe 22 to move, the other end of the sleeve frame 23 is connected with the adjusting sleeve 24, the adjusting sleeve 24 is contacted with the outer wall of the burner steel head 9, the sleeve frame 23 penetrates through the side wall of the burner steel head 9, the adjusting sleeve 24 is installed on the outer wall of the burner steel head 9, when the adjusting sleeve 24 on the outer wall of the burner steel head 9 is moved, the adjusting sleeve 24 drives the movable tube 22 to move through the sleeve frame 23, and after the movable tube 22 moves, the extending distance of the outer-layer nozzle 2 is adjusted;
and a sixth step: the nitrogen oxide content of survey output, wherein install special check out test set in the one end of a section of thick bamboo 4 of drying, in order to carry out the detection of nitrogen oxide content to the gas that produces, survey behind the nitrogen oxide content, still need adjust porous steady flame dish 7 and whirl fan 8's position, adjust porous steady flame dish 7 and whirl fan 8 again after surveying nitrogen oxide content, in order to obtain more parameters, simultaneously, after adjusting porous steady flame dish 7 and whirl fan 8, still need adjust the rotational speed of air-blower 5, the distance of stretching out of outer nozzle 2 also needs the adaptability to be adjusted simultaneously, make spun flame reach predetermined flame and allow length through many times of regulation, guarantee real heating effect like this.
Wherein the natural gas combustor includes following structure: the burner comprises an inner layer nozzle 1, an outer layer nozzle 2, a burner gun warehouse 3, an air blower 5, a natural gas storage chamber 6, a porous flame stabilizing disc 7, a cyclone fan 8 and a burner steel head 9, wherein the output end of the air blower 5 is connected with the burner gun warehouse 3 through a flange and a bolt, an impeller inside the air blower can drive air to flow when rotating and convey air flow to the burner gun warehouse 3 to ensure the combustion inside the burner gun warehouse 3, one end of the burner gun warehouse 3 is connected with the burner steel head 9 through a flange, the burner steel head 9 and the burner gun warehouse 3 both extend into an inner cavity of a drying cylinder 4, the inner cavity of the drying cylinder 4 is also heated by materials such as asphalt, the burner steel head 9 extends into the inner cavity of the drying cylinder 4 to ensure the heating effect, the natural gas storage chamber 6 is welded on the outer wall of the burner gun warehouse 3, the natural gas storage chamber 6 is communicated with natural gas, the inner layer nozzle 1 and the outer layer nozzle 2 are installed on the inner side of the burner gun warehouse 3, the inner layer nozzle 1 is positioned at the inner side of the outer layer nozzle 2, and one end of the inner layer nozzle 1 is provided with a porous flame stabilizing disc 7 and a swirl fan 8.
The layered combustion control method of the flame of the natural gas burner comprises the steps of firstly installing a heating part, wherein when an inner-layer nozzle 1 and an outer-layer nozzle 2 are installed, the inner-layer nozzle 1 and the outer-layer nozzle 2 are required to be communicated with a natural gas storage chamber 6, then determining the allowable length of the flame, determining the farthest length of the flame according to the overall length and the temperature requirement of a drying cylinder 4, determining the preset flame length as the best heating flame effect, then determining the range of the flame sprayed out of an outer region by the outer-layer nozzle 2, simultaneously determining the range of the flame sprayed out of an inner region by the inner-layer nozzle 1, then adjusting the range of the flame in the inner region, adjusting the positions of a porous flame stabilizing disc 7 and a swirl fan 8, wherein the porous flame stabilizing disc 7 and the swirl fan 8 play a role in stabilizing the flame, wherein the swirl fan 8 can also accelerate the combustion amount of the flame in the inner layer, then adjusting the wind speed and adjusting the rotating speed of a blower 5 according to the requirement, then adjusting the extending distance of the outer-layer nozzle 2, wherein when the adjusting sleeve 24 on the outer wall of the burner steel head 9 is moved, the adjusting sleeve 24 can drive the movable tube 22 to move through the sleeve frame 23, after the movable tube 22 moves, the extending distance of the outer-layer nozzle 2 is adjusted, the content of the produced nitrogen oxide is measured after the adjustment is finished, after the content of the nitrogen oxide is measured, the positions of the porous flame stabilizing disc 7 and the position of the swirl fan 8 are required to be adjusted to obtain more parameters, meanwhile, after the porous flame stabilizing disc 7 and the swirl fan 8 are adjusted, the rotating speed of the air blower 5 is required to be adjusted, meanwhile, the extending distance of the outer-layer nozzle 2 is also required to be adaptively adjusted, and the sprayed flame reaches the preset allowable flame length through multiple times of adjustment, so that the real heating effect is ensured; the method is used for adaptively adjusting the parts for multiple times, so that layered flames sprayed by the natural gas burner can achieve the best heating effect, few nitrogen oxides can be generated, the whole control method is suitable for processing chemical products such as asphalt, and the control method accords with field working conditions during implementation.
In conclusion, the layered combustion control method for the flame of the natural gas burner, which is provided by the invention, is implemented by firstly installing the heating component, then determining the allowable flame length, then determining the range of the flame sprayed out of the outer zone by the outer layer nozzle 2 and the range of the flame sprayed out of the inner zone by the inner layer nozzle 1, then adjusting the range of the flame, wherein the adjusting process comprises adjusting the positions of the porous flame stabilizing disc 7 and the swirl fan 8, adjusting the rotating speed of the blower 5 according to the requirement, then adjusting the extending distance of the outer layer nozzle 2, the adjusting process is simple and convenient, the normal operation of the equipment is not influenced, the content of the produced nitrogen oxide is measured after the adjustment is finished, the sprayed flame reaches the preset allowable flame length after multiple times of adjustment, meanwhile, few nitrogen oxides can be generated, the whole control method is suitable for processing of chemical products such as asphalt and the like, and the control method accords with the field working condition when being implemented.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. A flame layered combustion control method for a natural gas burner comprises the following steps:
s1: mounting a heating part, namely uniformly mounting an inner layer nozzle (1) and an outer layer nozzle (2) on the inner side of a burner gun warehouse (3);
s2: determining the allowable length of flame, determining the farthest length of the flame according to the overall length and the temperature requirement of the drying cylinder (4), and simultaneously determining the range of the flame sprayed out of the outer region by the outer layer nozzle (2) and the range of the flame sprayed out of the inner region by the inner layer nozzle (1);
s3: adjusting the range of the flame of the inner area, wherein the positions of a porous flame stabilizing disc (7) and a swirl fan (8) are adjusted by adopting a special high-temperature resistant material, and the porous flame stabilizing disc (7) is in contact connection with the inner-layer nozzle (1);
s4: adjusting the wind speed, and adjusting the rotating speed of the blower (5) according to the requirement;
s5: adjusting the extending distance of the outer layer nozzle (2);
s6: measuring the content of the produced nitrogen oxides, wherein a special detection device is arranged at one end of the drying cylinder (4) to detect the content of the nitrogen oxides in the generated gas;
wherein the natural gas combustor includes following structure: an inner layer nozzle (1), an outer layer nozzle (2), a burner gun storehouse (3), a blower (5), a natural gas storage chamber (6), a porous flame stabilizing disc (7), a swirl fan (8) and a burner steel head (9), the output end of the air blower (5) is connected with the burner gun warehouse (3) through a flange and a bolt, one end of the burner gun warehouse (3) is connected with the burner steel head (9) through a flange, the burner steel head (9) and the burner gun warehouse (3) both extend into the inner cavity of the drying cylinder (4), the outer wall of the burner gun storehouse (3) is welded with a natural gas storage chamber (6), the natural gas storage chamber (6) is communicated with a natural gas main pipeline, an inner nozzle (1) and an outer nozzle (2) are installed on the inner side of the burner gun storehouse (3), the inner nozzle (1) is located on the inner side of the outer nozzle (2), and a porous flame stabilizing disc (7) and a swirling flow fan (8) are installed at one end of the inner nozzle (1).
2. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: when the inner-layer nozzle (1) and the outer-layer nozzle (2) are installed in the S1, the inner-layer nozzle (1) and the outer-layer nozzle (2) are communicated with the natural gas storage chamber (6).
3. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: the flame length in S2 is the predetermined area to be heated inside the drying drum (4) before the natural gas burner is installed.
4. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: the outer layer nozzle (2) sprays out an outer zone flame range, namely an air flow outer zone which is coaxial with the central line of the radial layered flame core combustor and keeps a gap.
5. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: the inner nozzle (1) emits an inner zone flame range, namely an air flow and mineral fuel flow inner zone coaxial with the central line of the radial layered flame core burner.
6. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: the swirl fan (8) is arranged at the center of the side wall of the porous flame stabilizing disc (7), and through holes are formed in the porous flame stabilizing disc (7) and the swirl fan (8).
7. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: after the content of the nitrogen oxides is detected in the S8, the positions of the porous flame stabilizing disc (7) and the swirl fan (8) are required to be adjusted.
8. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: outer nozzle (2) are including basic pipe (21), movable tube (22), cover frame (23) and adjusting collar (24), the one end intercommunication natural gas reservoir (6) of basic pipe (21), the other end swing joint movable tube (22) of basic pipe (21), the one end of cover frame (23) is connected in movable tube (22), adjusting collar (24) is connected to the other end of cover frame (23), the outer wall of adjusting collar (24) contact combustor steel head (9), the lateral wall of combustor steel head (9) is run through in cover frame (23).
9. The layered combustion control method for the flame of the natural gas burner as set forth in claim 1, characterized in that: the inner zone flame is concentric with the outer zone flame.
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| CN201911220974X | 2019-12-03 |
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| CN1222964A (en) * | 1996-06-19 | 1999-07-14 | 燃烧工程有限公司 | Method for effecting control over an RSFC burner |
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| CN204829914U (en) * | 2015-06-12 | 2015-12-02 | 宁波福马工具有限公司 | Multitube laminar gas spray gun |
| CN106196057A (en) * | 2016-08-26 | 2016-12-07 | 中能服能源科技股份有限公司 | A kind of novel low nitrogen oxide burner structure |
| KR101825156B1 (en) * | 2017-05-22 | 2018-03-15 | (주)캠코엔지니어링 | Adjustable Gas Burner Of A Low NOx Burner |
| CN110345480A (en) * | 2019-07-09 | 2019-10-18 | 无锡市万方能源设备有限公司 | A kind of burner nozzle device and its combustion method reducing nitrogen oxides |
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2019
- 2019-12-11 CN CN201911267929.XA patent/CN111006212B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222964A (en) * | 1996-06-19 | 1999-07-14 | 燃烧工程有限公司 | Method for effecting control over an RSFC burner |
| DE20009526U1 (en) * | 2000-05-26 | 2000-09-21 | Erc Emissions Reduzierungs Con | Gas / oil burner |
| CN204829914U (en) * | 2015-06-12 | 2015-12-02 | 宁波福马工具有限公司 | Multitube laminar gas spray gun |
| CN106196057A (en) * | 2016-08-26 | 2016-12-07 | 中能服能源科技股份有限公司 | A kind of novel low nitrogen oxide burner structure |
| KR101825156B1 (en) * | 2017-05-22 | 2018-03-15 | (주)캠코엔지니어링 | Adjustable Gas Burner Of A Low NOx Burner |
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