CN105627304A - Strong-swirling-flow fuel staging ultra-low-nitrogen gas burner - Google Patents
Strong-swirling-flow fuel staging ultra-low-nitrogen gas burner Download PDFInfo
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- CN105627304A CN105627304A CN201610056471.3A CN201610056471A CN105627304A CN 105627304 A CN105627304 A CN 105627304A CN 201610056471 A CN201610056471 A CN 201610056471A CN 105627304 A CN105627304 A CN 105627304A
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- jet pipe
- burner
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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
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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
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to a strong-swirling-flow fuel staging ultra-low-nitrogen gas burner. A burner head of the burner mainly comprises a cylindrical air flow channel, a swirling flow plate, a primary fuel spray pipe, a primary fuel flame stabilizing plate, a secondary fuel spray pipe, a flared opening and a staged fuel spray pipe, and composition structures of all components and relative structures among all the components are further optimally arranged, so that the strong-swirling-flow fuel staging ultra-low-nitrogen gas burner with broad application prospects is finally achieved. The problems of burning instability, low heat efficiency and the like of premixed flame and flue gas recycling can be solved while generation of NOx is reduced, and the strong-swirling-flow fuel staging ultra-low-nitrogen gas burner has the advantages of being low in burning pollutant emission, sufficient in burning, good in burning stability, high in burning efficiency, simple and reliable in structure and the like, and is suitable for burning of civil and industrial furnaces, reformers and gas turbines.
Description
Technical field
The present invention relates to a kind of low nitrogen burner, particularly relate to a kind of strong eddy flow fuel staging ultra-low nitrogen body burner.
Background technology
Nitrogen oxides (NOx) is one of primary pollution source of air, is also the important predecessor of PM2.5 secondary aerosol species. Along with environmental pollution constantly aggravates, China key area frequently occurs haze, the health of people is caused huge harm. Along with the burning of natural gas, oil liquefied gas and coal synthesis gas utilizes, the pollution problem of gas combustion, especially reduces the discharge of NOx, is an instant task. Therefore, control the generation of NOx in combustion of natural gas process, greatly develop low-NO_x combustion technology significant.
Existing low-NO_x combustion technology includes the technology such as fractional combustion, premixed combustion, flue gas recirculation, multi-hole medium combustion, flameless combustion, burning chemistry chains, and it is individually present advantage and shortcoming.
The principle of grading combustion technology is that ignition temperature is issued to the highest in the situation that equivalent proportion is 1, when lean combustion or fuel-rich burn, its ignition temperature is lower than the ignition temperature that equivalent proportion is 1, thermo parameters method in energy reasonable distribution stove, avoid the occurrence of localized hyperthermia, reduce the NOx effect generated.
Premixed combustion is a kind of effective technology reducing NOx generation, and for controlling the generation of NOx, the advantage of this technology can be by the control completely of equivalent proportion is realized the control to ignition temperature. By Lean burn combustion, ignition temperature being reduced, make the equivalent proportion of mixture less than 1 simultaneously, such thermal NO x and Quick-type NOx generates and will reduce. But the not wide variety of limiting factor of premixed combustion technology is in that: combustion instability, it is possible to cause tempering or flame-out; Excess air coefficient is relatively big, reduces system thermal efficiency.
Flue gas recirculation can realize the reduction of ignition temperature, by joining in combustion zone by the combustion product of flue gas, reducing ignition temperature, the flue gas being simultaneously introduced reduces the dividing potential drop of oxygen, this is by weakening the process of oxygen and nitrogen generation thermal NO x, thus decreasing the generation of NOx. Research shows, the NOx reducing 70% is generated by outside flue gas recirculation. Flue gas recirculation major problem is that oxygen partial pressure reduces, air velocity increase makes combustion instability, the phenomenons such as flame-out, concussion occur.
On the basis of existing technology, drawing the advantage of each different low-NO_x combustion technology, avoid its technological deficiency, thus proposing the low-NO_x combustion technology with ultralow nitrogen discharged amount, high burning efficiency and stability, becoming current study hotspot.
Summary of the invention
Because above-mentioned prior art, the present invention proposes a kind of thermal efficiency height, NOx emission concentration strong eddy flow fuel staging ultra-low nitrogen body burner relatively low, combustion stablized.
Main technical schemes is as follows:
A kind of strong eddy flow fuel staging ultra-low nitrogen body burner, it includes a combustion head, and this combustion head includes: a cylindrical empty flow channel; One is arranged on this eddy flow tray within cylindrical empty flow channel, and this eddy flow tray includes eddy flow tray outer shroud, eddy flow tray internal ring, the spinning disk that is arranged between this outer shroud and internal ring; It is characterized in that, this combustion head also includes: one is arranged on the primary fuel jet pipe of the central side of burner eddy flow tray, and this primary fuel jet pipe includes primary fuel pipe and is respectively arranged at primary fuel front spout and the side spout of this primary fuel pipe front and side; One is arranged on the primary fuel stable flame pan on primary fuel jet pipe, and this stable flame pan is between primary fuel front spout and primary fuel side spout; Multiple secondary fuel jet pipes being arranged in air flow channel, secondary fuel jet pipe includes secondary fuel pipe and is positioned at the secondary fuel spout in secondary fuel pipe front, air flow channel exit, secondary fuel jet pipe has two kinds of arrangement forms, a kind of jet pipe is axially disposed, fuel sprays vertically, another kind of jet pipe is radially arranged, and fuel radially sprays; One enlarging being arranged on air flow channel exit; Multiple classification fuel nozzles being arranged on around enlarging, this classification fuel nozzle includes classification cartridge and is arranged at the classification fuel nozzle ports in this classification cartridge front; In implementation process, classification fuel ratio is fixed, and a secondary fuel ratio can regulate; Described primary fuel is pure fuel or partly-premixed gas, premix ratio scalable; Described secondary fuel is pure fuel; Described classification fuel is pure fuel; Described primary fuel front spout is 4, and diameter is 3-5mm, and side spout is 8-12, and diameter is 2-3mm, and described secondary fuel jet pipe is 8-16 root and nozzle diameter is 6-10mm, and described classification fuel nozzle is 4-6 root, and nozzle diameter is 3-5mm.
It is also preferred that the left it is about 10% that classification fuel ratio accounts for total fuel ratio.
It is also preferred that the left secondary fuel jet pipe can all along axial arranged, all along radial arrangement or axially and radially staggered layout.
It is also preferred that the left distance is this fuel nozzle ports diameter 3 times of outer shroud described in described secondary fuel jet opening distance radially.
It is also preferred that the left it is 50-70% that secondary fuel ratio accounts for total fuel ratio.
It is also preferred that the left primary fuel front spout can axial or oblique ejection.
It is also preferred that the left classification fuel can vertically or oblique ejection.
It is also preferred that the left described cyclone area accounts for more than the 70% of whole air flow channel area.
It is also preferred that the left the number of described spinning disk is 10-20, the range of tilt angles of described spinning disk is 10-30 ��.
It is also preferred that the left be provided with enlarging at described burner outlet, this enlarging angle of inclination is less than 20 ��, and length is 100-150mm.
Based on technique scheme, strong eddy flow fuel staging ultra-low nitrogen body burner provided by the present invention, the problems such as premixed flame and the combustion instability of flue gas recirculation, the thermal efficiency are low can be solved reducing while NOx generates, there is the advantages such as burning pollutant discharges less, burning is complete, combustion stability is good, efficiency of combustion is high, simple and reliable for structure, it is suitable for civilian and industrial furnace, reformer and gas turbine burning to use, is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is strong eddy flow fuel staging ultra-low nitrogen body burner perspective view in one embodiment of the invention;
Fig. 2 is the front view of strong eddy flow fuel staging ultra-low nitrogen body burner in one embodiment of the invention;
Fig. 3 is primary fuel jet pipe and the primary fuel stable flame pan schematic diagram of strong eddy flow fuel staging ultra-low nitrogen body burner in one embodiment of the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, by specific embodiment, the present invention will be further described. In this accompanying drawing 1, description of reference numerals is as follows: 1, air flow channel; 2, primary fuel jet pipe; 3, primary fuel stable flame pan; 4 eddy flow tray internal ring; 5 swirl vanes; 6, eddy flow tray outer shroud; 7, secondary fuel jet pipe; 8, enlarging; 9, classification fuel nozzle.
A kind of strong eddy flow fuel staging ultra-low nitrogen body burner disclosed in one embodiment of the present of invention, specifically as illustrated in the accompanying drawings from 1 to 3, it includes a combustion head, and this combustion head includes: a cylindrical empty flow channel 1; One is arranged on this eddy flow tray within cylindrical empty flow channel, and this eddy flow tray includes eddy flow tray outer shroud 6, eddy flow tray internal ring 4, the spinning disk 5 that is arranged between this outer shroud 6 and internal ring 4; The primary fuel jet pipe 2 at one center being arranged on burner eddy flow tray internal ring 4, this primary fuel jet pipe includes primary fuel pipe and is respectively arranged at primary fuel front spout and the primary fuel side spout of this primary fuel pipe front and side; One is arranged on the primary fuel stable flame pan 3 on primary fuel jet pipe 2, and this stable flame pan is between primary fuel front spout and primary fuel side spout; Multiple secondary fuel jet pipes 7 being arranged in air flow channel 1, secondary fuel jet pipe includes secondary fuel pipe and is positioned at the secondary fuel spout in secondary fuel pipe front, air flow channel exit, secondary fuel jet pipe 7 has two kinds of arrangement forms, a kind of jet pipe is axially disposed, fuel sprays vertically, another kind of jet pipe is radially arranged, and fuel radially sprays; One enlarging 8 being arranged on air flow channel 1 exit; Multiple classification fuel nozzles 9 being arranged on around enlarging, this classification fuel nozzle includes classification cartridge and is arranged at the classification fuel nozzle ports in this classification cartridge front; In implementation process, classification fuel ratio is fixed, and a secondary fuel ratio can regulate; Described primary fuel is pure fuel or partly-premixed gas, premix ratio scalable; Described secondary fuel is pure fuel; Described classification fuel is pure fuel.
Accordingly, this burner known structure arrangement from the inside to the outside from accompanying drawing 1, primary fuel spout is positioned at bosom place, the i.e. circular hole in bosom, this primary fuel spout is four, and fuel injection direction can be axial, radial direction or oblique (adjustable flame shape), oblique stability is best, radially flame is the shortest, is around primary fuel stable flame pan 3, plays smooth combustion effect; The surrounding of primary fuel jet pipe 2 is eddy flow tray, it is provided that vortex gas-flow, it is thus achieved that strong eddy flow effect so that air-flow overturns, and produces recirculating zone, greatly promotes mixing, promoted the smooth combustion of flame; It is around air flow channel 1 again, secondary fuel jet pipe 7 is had in this direct current air runner 1, fuel can spray axially or radially from jet pipe 4, ejection vertically is free jet, the length of flame is longer, radially mixing strengthened by ejection side fuel collision cyclone, and the length of flame is shorter, can reach the purpose of fractional combustion with fuel nozzle interlaced arrangement radially vertically; It is around enlarging 8 again, plays the effect that supercharging rectification is surely fired; Being around classification fuel nozzle 9 again, fuel, from jet pipe ejection at a high speed, reaches the effect of deeply staged combustion, can play the effect fired again, it is possible to be substantially reduced the generation of NOx simultaneously.
In some more specifically embodiment, number and size to jet pipe and spout carry out concrete optimization design so that burn more stable, for instance, arranging described primary fuel spout is 4, and described secondary fuel jet pipe 7 is 6-10mm for 8-16 root and diameter; Additionally, also the position of spout can be carried out concrete optimization design, it is possible to strengthen the smooth combustion of fuel, for instance, arrange 1-3 times that distance is this fuel nozzle ports diameter of outer shroud described in described secondary fuel jet opening distance.
In other more specifically embodiment, it is 10% that classification fuel ratio accounts for total fuel ratio, in order to realize preferably fractional combustion, a secondary fuel ratio can be carried out suitable adjustment, for instance, it is 50-70% that secondary fuel ratio accounts for total fuel ratio.
In other more specifically embodiment, secondary fuel jet pipe can all along axial arranged, all along radial arrangement or axially and radially staggered layout.
In other more specifically embodiment, primary fuel can radially, axially or oblique ejection.
In other more specifically embodiment, it is possible to described cyclone is carried out specific design, to realize good eddy flow effect; Such as, arranging described cyclone area and account for more than the 70% of whole air flow channel area, the best is between 70%-90%, to reach strong eddy flow effect; Also can be further, the number arranging described spinning disk is 10-20, and the range of tilt angles of described spinning disk is 10-30 ��.
Additionally, for the stability being further ensured that burning, in other embodiments, be provided with enlarging at described burner outlet, this enlarging angle of inclination is less than 20 ��, and length is 100-150mm.
To sum up, compared with prior art, strong swirl component premix ultra-low nitrogen body burner provided by the present invention, the spatial distribution of Hybrid analysis is controlled by fuel staging, thus controlling burn rate, the temperature of flame region and reactant are in the time of staying of high-temperature region, finally it is effectively reduced heating power type and the generation of Quick-type NOx, flue gas internal recycle can be formed by the strong rotational gas flow of cyclone simultaneously, the smooth combustion of flame can be realized while reducing nitrogen oxides, the final NOx that realizes when smooth combustion generates less than 50mg/Nm3 (3.5%). this invention combines fractional combustion and the control to combustion flame of the eddy flow degree, flame holding when high flue gas recirculation can be met, thus NOx being generated the minimum discharge level dropping below 20mg/Nm3 (3.5%), also there is stronger fuel tolerance simultaneously.
Visible, based on technique scheme, strong swirl component premix ultra-low nitrogen body burner provided by the present invention, the problems such as premixed flame and the combustion instability of flue gas recirculation, the thermal efficiency are low can be solved reducing while NOx generates, there is the advantages such as burning pollutant discharges less, burning is complete, combustion stability is good, efficiency of combustion is high, simple and reliable for structure, it is suitable for civilian and industrial furnace, reformer and gas turbine burning to use, is with a wide range of applications.
Here description of the invention and application is illustrative, is not wishing to limit the scope of the invention in above-described embodiment. The deformation of embodiments disclosed herein and change are possible, for the ordinary skill of those this areas arbitrary embodiment replace and the various parts of equivalence are known. Art technology is arbitrary to be noted that when without departing from the spirit of the present invention or substitutive characteristics, the present invention can in other forms, structure, layout, ratio, and realize with other assembly, material and parts. When without departing from the scope of the invention and spirit, it is possible to embodiments disclosed herein is carried out other deformation and changes.
Claims (10)
1. a strong eddy flow fuel staging ultra-low nitrogen body burner, including a combustion head, this combustion head includes: a cylindrical empty flow channel; One is arranged on this eddy flow tray within cylindrical empty flow channel, and this eddy flow tray includes eddy flow tray outer shroud, eddy flow tray internal ring, the spinning disk that is arranged between this outer shroud and internal ring; It is characterized in that, described combustion head also includes: one is arranged on the primary fuel jet pipe of burner cyclone central side, and this primary fuel jet pipe includes primary fuel pipe and is respectively arranged at primary fuel front spout and the primary fuel side spout of primary fuel pipe front and side; One is arranged on the primary fuel stable flame pan on primary fuel jet pipe, and this stable flame pan is between primary fuel front spout and primary fuel side spout; Multiple secondary fuel jet pipes being arranged in air flow channel, secondary fuel jet pipe includes secondary fuel pipe and is positioned at the secondary fuel spout in secondary fuel pipe front, air flow channel exit, secondary fuel jet pipe has two kinds of arrangement forms, a kind of jet pipe is axially disposed, fuel sprays vertically, another kind of jet pipe is radially arranged, and fuel radially sprays; One enlarging being arranged on air flow channel exit; Multiple classification fuel nozzles being arranged on around enlarging, this classification fuel nozzle includes classification cartridge and is arranged at the classification fuel nozzle ports in this classification cartridge front; In implementation process, classification fuel ratio is fixed, and a secondary fuel ratio can regulate; Described primary fuel is pure fuel or partly-premixed gas, premix ratio scalable; Described secondary fuel is pure fuel; Described classification fuel is pure fuel; Described primary fuel front spout is 4, and diameter is 3-5mm, and side spout is 8-12, and diameter is 2-3mm, and described secondary fuel jet pipe is 8-16 root and nozzle diameter is 6-10mm, and described classification fuel nozzle is 4-6 root, and nozzle diameter is 3-5mm.
2. burner according to claim 1, it is characterised in that preferred, it is 10% that described classification fuel ratio accounts for total fuel ratio.
3. burner according to claim 1, it is characterised in that described secondary fuel jet pipe can all along axial arranged, all along radial arrangement or axially and radially staggered layout.
4. burner according to claim 3, it is characterised in that distance is this fuel nozzle ports diameter 3 times of outer shroud described in described secondary fuel jet opening distance radially.
5. burner according to claim 1, it is characterised in that it is 50-70% that described secondary fuel ratio accounts for total fuel ratio.
6. burner according to claim 1, it is characterised in that described primary fuel front spout can axial or oblique ejection.
7. burner according to claim 1, it is characterised in that described classification fuel can vertically or oblique ejection.
8. burner according to claim 1, it is characterised in that the area of described cyclone accounts for more than the 70% of whole air flow channel area.
9. burner according to claim 1, it is characterised in that the number of described spinning disk is 10-20, and the range of tilt angles of described spinning disk is 10-30 ��.
10. burner according to claim 1, it is characterised in that described burner outlet is provided with enlarging, this enlarging angle of inclination is less than 20 ��, and length is 100-150mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610056471.3A CN105627304A (en) | 2016-01-27 | 2016-01-27 | Strong-swirling-flow fuel staging ultra-low-nitrogen gas burner |
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| CN201610056471.3A CN105627304A (en) | 2016-01-27 | 2016-01-27 | Strong-swirling-flow fuel staging ultra-low-nitrogen gas burner |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726316A (en) * | 2017-11-15 | 2018-02-23 | 北京泷涛环境科技有限公司 | A kind of fuel strengthens classification ultra-low nitrogen body burner |
| CN108296033A (en) * | 2016-09-28 | 2018-07-20 | 洛阳德明石化设备有限公司 | A kind of method and apparatus of on-line tuning spray angle of nozzle |
| CN108443887A (en) * | 2018-06-12 | 2018-08-24 | 河北伊克赛吉科技有限公司 | A kind of low NO |
| CN108954318A (en) * | 2018-08-29 | 2018-12-07 | 国电环境保护研究院有限公司 | The analysis system and analysis method of the axially staged premixed combustion characteristic of gaseous fuel |
| CN109519919A (en) * | 2018-09-25 | 2019-03-26 | 天津大学 | Methanol burner crack resistence ceramics flame cyclone |
| CN110671699A (en) * | 2019-12-05 | 2020-01-10 | 山东成越新能源科技有限公司 | Low-nitrogen burner |
| CN110869673A (en) * | 2017-07-21 | 2020-03-06 | 库珀斯解决方案有限公司 | Burner with a burner head |
| CN111023091A (en) * | 2019-12-23 | 2020-04-17 | 清华大学 | High-temperature flue gas multi-stage backflow low-nitrogen combustor and combustion method thereof |
| CN111121023A (en) * | 2020-01-10 | 2020-05-08 | 清华大学 | Fuel side flue gas recirculation nitrogen combustor and combustion method thereof |
| CN111578282A (en) * | 2020-06-05 | 2020-08-25 | 郑州釜鼎热能技术有限公司 | High-speed rotational flow premixing combustion device with controllable performance of air-cooled combustion channel |
| CN113184807A (en) * | 2021-06-01 | 2021-07-30 | 上海交通大学 | Pure oxygen combustion system based on waste heat utilization |
| CN113339795A (en) * | 2021-05-31 | 2021-09-03 | 武汉理工大学 | Circumferential cyclone multistage premixing low-nitrogen combustor |
| CN115372539A (en) * | 2022-08-31 | 2022-11-22 | 哈尔滨工业大学 | Solid propellant staged combustion test simulation device and method |
| CN111121023B (en) * | 2020-01-10 | 2024-06-04 | 清华大学 | Fuel side flue gas recirculation nitrogen burner and combustion method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160135A (en) * | 1996-11-26 | 1998-06-19 | Mitsubishi Heavy Ind Ltd | Gas fuel firing burner |
| CN201903058U (en) * | 2010-12-20 | 2011-07-20 | 洛阳瑞昌石油化工设备有限公司 | Novel fuel-gas burner with circular flame and low NOx |
| CN203442823U (en) * | 2013-09-05 | 2014-02-19 | 中国成达工程有限公司 | Self-suction top-mounted round nitrogen oxide gas burner with low flame fuel staging |
| CN204513378U (en) * | 2015-02-04 | 2015-07-29 | 武汉明正动力工程有限公司 | A kind of fuel-staged combustion low-NOx combustor |
| CN105135432A (en) * | 2015-09-21 | 2015-12-09 | 上海华之邦科技股份有限公司 | Ultra-low-NOx gas burner |
| CN205480976U (en) * | 2016-01-27 | 2016-08-17 | 北京泷涛环境科技有限公司 | Hierarchical ultralow nitrogen gas burner of strong whirl fuel |
-
2016
- 2016-01-27 CN CN201610056471.3A patent/CN105627304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160135A (en) * | 1996-11-26 | 1998-06-19 | Mitsubishi Heavy Ind Ltd | Gas fuel firing burner |
| CN201903058U (en) * | 2010-12-20 | 2011-07-20 | 洛阳瑞昌石油化工设备有限公司 | Novel fuel-gas burner with circular flame and low NOx |
| CN203442823U (en) * | 2013-09-05 | 2014-02-19 | 中国成达工程有限公司 | Self-suction top-mounted round nitrogen oxide gas burner with low flame fuel staging |
| CN204513378U (en) * | 2015-02-04 | 2015-07-29 | 武汉明正动力工程有限公司 | A kind of fuel-staged combustion low-NOx combustor |
| CN105135432A (en) * | 2015-09-21 | 2015-12-09 | 上海华之邦科技股份有限公司 | Ultra-low-NOx gas burner |
| CN205480976U (en) * | 2016-01-27 | 2016-08-17 | 北京泷涛环境科技有限公司 | Hierarchical ultralow nitrogen gas burner of strong whirl fuel |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296033A (en) * | 2016-09-28 | 2018-07-20 | 洛阳德明石化设备有限公司 | A kind of method and apparatus of on-line tuning spray angle of nozzle |
| CN108296033B (en) * | 2016-09-28 | 2024-03-22 | 洛阳德明石化设备有限公司 | Method and equipment for online adjustment of spray angle of nozzle |
| CN110869673A (en) * | 2017-07-21 | 2020-03-06 | 库珀斯解决方案有限公司 | Burner with a burner head |
| CN107726316A (en) * | 2017-11-15 | 2018-02-23 | 北京泷涛环境科技有限公司 | A kind of fuel strengthens classification ultra-low nitrogen body burner |
| CN108443887A (en) * | 2018-06-12 | 2018-08-24 | 河北伊克赛吉科技有限公司 | A kind of low NO |
| CN108443887B (en) * | 2018-06-12 | 2023-09-29 | 河北伊克赛吉科技有限公司 | Low-nitrogen burner |
| CN108954318B (en) * | 2018-08-29 | 2023-08-25 | 国电环境保护研究院有限公司 | Analysis system and analysis method for axial staged premixed combustion characteristics of gas fuel |
| CN108954318A (en) * | 2018-08-29 | 2018-12-07 | 国电环境保护研究院有限公司 | The analysis system and analysis method of the axially staged premixed combustion characteristic of gaseous fuel |
| CN109519919A (en) * | 2018-09-25 | 2019-03-26 | 天津大学 | Methanol burner crack resistence ceramics flame cyclone |
| CN109519919B (en) * | 2018-09-25 | 2024-05-07 | 天津大学 | Cracking-proof ceramic flame cyclone for methanol burner |
| CN110671699A (en) * | 2019-12-05 | 2020-01-10 | 山东成越新能源科技有限公司 | Low-nitrogen burner |
| CN110671699B (en) * | 2019-12-05 | 2020-04-03 | 山东成越新能源科技有限公司 | Low-nitrogen burner |
| CN111023091A (en) * | 2019-12-23 | 2020-04-17 | 清华大学 | High-temperature flue gas multi-stage backflow low-nitrogen combustor and combustion method thereof |
| CN111023091B (en) * | 2019-12-23 | 2024-06-07 | 清华大学 | High-temperature flue gas multistage reflux low-nitrogen combustor and combustion method thereof |
| CN111121023A (en) * | 2020-01-10 | 2020-05-08 | 清华大学 | Fuel side flue gas recirculation nitrogen combustor and combustion method thereof |
| CN111121023B (en) * | 2020-01-10 | 2024-06-04 | 清华大学 | Fuel side flue gas recirculation nitrogen burner and combustion method thereof |
| CN111578282A (en) * | 2020-06-05 | 2020-08-25 | 郑州釜鼎热能技术有限公司 | High-speed rotational flow premixing combustion device with controllable performance of air-cooled combustion channel |
| CN113339795A (en) * | 2021-05-31 | 2021-09-03 | 武汉理工大学 | Circumferential cyclone multistage premixing low-nitrogen combustor |
| CN113184807A (en) * | 2021-06-01 | 2021-07-30 | 上海交通大学 | Pure oxygen combustion system based on waste heat utilization |
| CN115372539A (en) * | 2022-08-31 | 2022-11-22 | 哈尔滨工业大学 | Solid propellant staged combustion test simulation device and method |
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