CN105698174A - Low-nitrogen combustor for gas - Google Patents
Low-nitrogen combustor for gas Download PDFInfo
- Publication number
- CN105698174A CN105698174A CN201610219866.0A CN201610219866A CN105698174A CN 105698174 A CN105698174 A CN 105698174A CN 201610219866 A CN201610219866 A CN 201610219866A CN 105698174 A CN105698174 A CN 105698174A
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- China
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- inner ring
- outer ring
- air gun
- combustion
- combustion gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
-
- 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
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
The invention discloses a low-nitrogen combustor for gas. The low-nitrogen combustor comprises a shell, an air channel arranged in the shell, an outer ring gas chamber, an inner ring gas chamber, a combustion-stabilizing cover and an igniter, wherein the outer ring gas chamber, the inner ring gas chamber, the combustion-stabilizing cover and the igniter are arranged in the air channel; outer ring gas I in the outer ring gas chamber is guided to the outer side of the shell by the outer ring gas chamber through a plurality of outer ring gas guns to be combusted, and the reference circles phi of outer ring gas gun nozzles are adjustable; inner ring gas II is guided to the tail end position of the combustion-stabilizing cover in the air channel by the inner ring gas chamber through a plurality of inner ring gas guns to be combusted; and the combustion-stabilizing cover is arranged in a manner of being close to the tail ends of the inner ring gas guns, a plurality of grooves arranged in a manner of surrounding the shell are further formed in the tail end of the shell, and a warping plate warping towards the interior of the air channel is mounted at the position, corresponding to each groove, of the shell. According to the combustor, the emission value of nitric oxides generated during gas combustion is reduced, sufficient combustion of the gas can be achieved through the combustor, the combustion state is stable, and blow-off and tempering conditions are not prone to happening.
Description
Technical field
The present invention relates to low NO technical field, particularly relate to a kind of combustion gas low NO。
Background technology
Along with socioeconomic development, environmental problem is increasingly subject to people's attention。Outstanding day by day along with environmental problem, the requirement to discharge will be stricter。Burner is as the visual plant of boiler, and it ensures that fuel stabilization catches fire and the process such as burning completely of fuel。Therefore, boiler emission is played a part to the Central Shanxi Plain by the quality of burner performance。
The nitrogen oxides that gas burner produces is mainly thermal NO X, therefore, considers from the formation mechanism of NOX, gas burner is answered to the mixed process of rationalization's combustion gas and combustion air, it is to avoid in burner hearth, localized high temperature regions produces, and reduces burner hearth flame temperature。At present, reduce NOX means and mainly have fuel staging, self recirculation, segmentation flame, bias combustion and premixed combustion etc., but because of many-sided technical deficiency, after adopting low nitrogen measure, general burner can only meet current emission request, how under ensureing the premise not increasing oxygen content of smoke gas, the discharge further reducing NOX is the difficult problem that technical staff needs to overcome。
Authorization Notice No. CN102913902B, a kind of internal-combustion multi-passage low-nitrogen burner discloses a kind of internal-combustion multi-passage low-nitrogen burner, multiple direct current wind passages of distribution, Whirl deposite tank passage and main coal dust channel is circularized including housing wall has successively, the exit of direct current wind passage is undergauge spout, and the exit of Whirl deposite tank passage is provided with low resistance swirl vane；The exit of main coal dust channel is provided with the multiple flow-disturbing blocks being uniformly distributed along the circumference, housing central section is internal combustion ignition passage, the porch of internal combustion ignition passage is provided with the lighter that can move forward and backward, the middle part of internal combustion ignition passage is provided with strong inverse flow and entrainments device in nest, it is preheating section that strong inverse flow entrainments between device and lighter in nest, and strong inverse flow is stayed nest and entrainmented between device and internal combustion ignition channel outlet for overheavy firing section；It is a reducing casing that described strong inverse flow entrainments device in nest, and the entrance outer wall circumference of reducing casing has multiple through hole。Being adapted to the internal-combustion multi-passage low-nitrogen burner of all kinds of rotary kiln, compact overall structure, simple, consumable accessory is detachable, saves maintenance cost。But it is the internal-combustion multi-passage low-nitrogen burner for cement industry, metallurgical and chemical industry and glass industry, for the low nitrogen of gas type around burner, its structure relative complex, heavier-weight。
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of combustion gas low NO, the discharge value of the nitrogen oxides produced when its object is to the burner combustion reducing combustion gas, combustion stability is good。It is capable of the abundant burning of combustion gas by this burner, and fired state is stable, be not susceptible to de-fire and tempering situation。
The technical solution adopted in the present invention is: a kind of combustion gas low NO, including housing and the air duct that sets within it, and is arranged on the outer ring fuel chamber in air duct, inner ring fuel chamber, surely fires cover, lighter；Wherein lighter is arranged on the transverse center position of air duct；The outer ring combustion gas I that it is interior is caused hull outside by some outer rings air gun and burns by outer ring fuel chamber, and the reference circle Φ of outer ring air gun nozzle is adjustable；The steady combustion cover terminal position that inner ring combustion gas II is caused in air duct by inner ring fuel chamber by some inner ring air guns burns；And surely combustion cover is arranged near the end of inner ring air gun, the end of housing is additionally provided with several grooves around its layout, and on housing, the one piece of seesaw tilted in oriented air duct is installed at each groove location place corresponding。The present invention equipped with surely firing cover at burner nozzle place, is provided with vane type hydrocyclone structure in steady combustion cover, combustion flame plays steady combustion effect。
The outer ring combustion gas I that it is interior is caused hull outside by some outer rings air gun and burns by further outer ring fuel chamber, inner ring combustion gas II is caused steady combustion cover rear portion by some inner ring air guns and burns by inner ring fuel chamber, it is achieved the fractional combustion to inner ring combustion gas II and outer ring combustion gas I。And surely combustion cover is arranged near the end of inner ring air gun, it is achieved classification smooth combustion then。Further, the nozzle of housing also has several openings around its layout, opening and inner ring air gun interval are arranged, each aperture position place corresponding is provided with a piece of seesaw, and every a piece of seesaw one end is fixed on the inwall of housing, the other end tilts in air duct, air streams seesaw, forms low-pressure area at the seesaw back side, in stove flue gas after burning under pressure reduction and turbulent diffusion from opening internal recycle to air duct in, reduce the oxygen concentration in air, reduce the discharge of NOX。
Further improvement of the present invention is in that, inner ring air gun is evenly arranged in burner shell internal air passageway, one end of each of which root inner ring air gun is connected with inner ring fuel chamber, the other end extends to after steady combustion cover, and bending is inner ring air gun bending part radially inward, inner ring air gun bending part end end cap is closed, and inner ring air gun bending part is additionally provided with some steam vents towards burner nozzle direction, and the central axis direction of end cap is also additionally provided with end steam vent simultaneously。The fractional combustion that this kind of structure makes inner ring combustion gas also realize little scope。
Further improvement of the present invention is in that, each outer ring air gun includes export department, the first bending part and the second bending part, and wherein export department and the second bending part are parallel to each other, and the second bending part is in the export department side away from housing。Use procedure rotates the gun barrel of outer ring air gun, it is possible to adjust the reference circle of oral area, it is achieved fuel staging in various degree。
Further improvement of the present invention is in that, is additionally provided with several grooves around its layout, groove and inner ring air gun interval in the end of described housing and arranges。On described housing, the one piece of seesaw tilted in oriented air duct is installed at each groove location place corresponding。Every a piece of described seesaw is arcuate structure, and its entirety is trapezium structure along the projecting direction of its axial place plane, the wider one end respective slot of trapezium structure is fixed on the inwall of housing, the other end tilts in air duct, and one end of told tilting is additionally provided with the guidance part parallel with air flow。
Further improvement of the present invention is in that, housing includes from the outer ring department of fuel gas that lighter entrance to Way out sets gradually, outer casing groove portion, inner ring department of fuel gas and spout end, groove is recessed to case inside, and outer ring fuel chamber is positioned at outer ring department of fuel gas, inner ring fuel chamber is positioned at inner ring department of fuel gas, is provided with the regulating positioning device being connected on each outer ring air gun in outer casing groove portion。And the reference circle of outer ring air gun nozzle is made by regulating positioning deviceΦAdjustable, rotating regulating positioning device in use procedure, can to realize the reference circle of outer ring air gun nozzle adjustable, to adjust fuel staging degree。
Further improvement of the present invention is in that, each regulating positioning device includes a Hough clip-like adjusting tap being enclosed within outside the air gun of outer ring, and is fixed on the graduated disc on the air gun sleeve pipe of outer ring；The gun barrel of clamping outer ring, Hough clip-like adjusting tap one end air gun, the other end is corresponding with the hole, location arranged on graduated disc by alignment pin。
Further improvement of the present invention is in that, inner ring fuel chamber and outer ring fuel chamber are simultaneously by tapping Gas Pipe and shunt tube assemblies connection outer combustion gas feeder。
Compared with prior art, the invention has the beneficial effects as follows: the low NO of the present invention sets gradually outer ring fuel chamber, inner ring fuel chamber respectively in burning indoor air channel, and make lighter run through the center of air duct, and be provided with at its end and surely to fire cover, vane type hydrocyclone structure is adopted in steady combustion cover, it is arranged on burner nozzle place, combustion flame is played steady combustion effect。The outer ring combustion gas I that it is interior is caused hull outside by some outer rings air gun and burns by outer ring fuel chamber, and the reference circle Φ of outer ring air gun nozzle is adjustable, inner ring combustion gas II is caused steady combustion cover rear portion by some inner ring air guns and burns by inner ring fuel chamber, and inner ring combustion gas is realized the fractional combustion of little scope by structures such as gun barrel bending and perforates。On the other hand, the end of housing also has several openings around its layout, each groove location place corresponding is provided with a piece of seesaw, the flue gas after burning under pressure reduction and turbulent diffusion effect by open closed enter in air duct, it is achieved inside smoke recirculation。
Accompanying drawing explanation
Fig. 1 is the sectional view of an embodiment of a kind of combustion gas low NO；
The right view of the embodiment of Fig. 2 Fig. 1；
Fig. 3 is the structure for amplifying schematic diagram at the A place of the embodiment of Fig. 1；
Fig. 4 (a) is the projection of the axially place plane of the seesaw in the embodiment of Fig. 1；
Fig. 4 (b) is the sectional view of the cross section of the seesaw in the embodiment of Fig. 1；
Fig. 5 is the structural representation that the Hough shape regulating positioning device in the embodiment of Fig. 1 is connected with outer ring air gun；
Wherein: 1-housing, 101-outer ring department of fuel gas, 102-inner ring department of fuel gas, 103-outer casing groove portion, 104-end；2-outer ring fuel chamber, 3-regulating positioning device, 31-alignment pin, 32-Hough clip-like adjusting tap, 33-graduated disc；4-inner ring fuel chamber, 5-inner ring air gun, 51-inner ring air gun bending part, 52-steam vent, 53-end steam vent；6-outer ring air gun, 61-export department, 62-the first bending part, 63-the second bending part；7-seesaw, 71-guidance part；8-groove, 9-surely fires cover, 10-lighter, 11-shunt tube assemblies, and 12-taps Gas Pipe, 13-outer combustion gas feeder, 14-end cap, 15-air duct。
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further described, and this embodiment is only used for explaining the present invention, protection scope of the present invention is not constituted and limits。
As it is shown in figure 1, a kind of combustion gas low NO, including housing 1 and the air duct 15 set within it, and it is arranged on the outer ring fuel chamber 2 in air duct 15, inner ring fuel chamber 4, steady combustion cover 9, lighter 10；Wherein lighter 10 is arranged on the transverse center position of air duct 15；The outer ring combustion gas I that it is interior is caused by outer ring fuel chamber 2 by some outer rings air gun 6 to burn outside housing 1, and the reference circle Φ of outer ring air gun nozzle is adjustable；Steady combustion cover 9 terminal position that inner ring combustion gas II is caused in air duct 15 by inner ring fuel chamber 4 by some inner ring air guns 5 burns；And surely combustion cover 9 is arranged near the end of inner ring air gun 5, spout end 104 place of housing 1 is additionally provided with several grooves 8 around its layout, and in housing 1, the one piece of seesaw 7 tilted in oriented air duct 11 is installed in each groove 8 position corresponding。At burner nozzle place equipped with surely firing cover, steady combustion cover adopts vane type hydrocyclone structure, and combustion flame plays steady combustion effect。The outer ring combustion gas I that it is interior is caused hull outside by some outer rings air gun and burns by further outer ring fuel chamber, inner ring combustion gas II is caused steady combustion cover rear portion by some inner ring air guns and burns by inner ring fuel chamber, it is achieved the fractional combustion to inner ring combustion gas II and outer ring combustion gas I。And surely combustion cover is arranged near the end of inner ring air gun, it is achieved classification smooth combustion then。Further, the nozzle of housing also has several openings around its layout, opening and inner ring air gun interval are arranged, each aperture position place corresponding is provided with a piece of seesaw, and every a piece of seesaw one end is fixed on the inwall of housing, the other end tilts in air duct, air streams seesaw, forms a low-pressure area sticking up class back side, in stove flue gas after burning under pressure reduction and turbulent diffusion from opening internal recycle to air duct in, reduce the oxygen concentration in air, reduce the discharge of NOX。
In the above-described embodiments, each piece of seesaw 7 is arcuate structure, such as Fig. 4 (a) and 4(b) shown in, and its entirety is trapezium structure along the projecting direction of its axial place plane。In the above-described embodiments, described seesaw is arranged near burner nozzle, and inner ring air gun gun barrel 5 interval is arranged。The burner shell of seesaw projection opens rectangular recess 8, is ensureing that air does not try one's best the area opening big rectangular recess 8 to increase the exhaust gas volumn of interior recirculation from the premise that rectangular recess 8 sprays burner。
In the above-described embodiments, referring to Fig. 1, Fig. 2 and Fig. 3, inner ring air gun 5 is evenly arranged in burner shell internal air passageway, one end of each of which root inner ring air gun 5 is connected with inner ring fuel chamber 4, the other end extends to after steady combustion cover 9, and bending is inner ring air gun bending part 51 radially inward, inner ring air gun bending part 51 end end cap 14 is closed, and inner ring air gun bending part 51 is additionally provided with some steam vents 52 towards burner nozzle direction, the central axis direction of end cap 14 is also additionally provided with end steam vent 53 simultaneously。The fractional combustion that this kind of structure makes inner ring combustion gas also realize little scope。
In the above-described embodiments, each outer ring air gun 6 includes export department's the 61, first bending part 62 and the second bending part 63, wherein export department 61 and the second bending part 63 are parallel to each other, and the second bending part 63 is positioned at the export department 61 side away from housing 1, and is made the reference circle of outer ring air gun nozzle by regulating positioning deviceΦAdjustable, use procedure rotates the gun barrel of outer ring air gun, it is possible to adjust the reference circle Φ of oral area, it is achieved fuel staging in various degree。
In the above-described embodiments, housing 1 includes from lighter 10 entrance to the outer ring department of fuel gas 101 that Way out sets gradually, outer casing groove portion 103, inner ring department of fuel gas 102 and spout end 104, outer casing groove 103 is recessed to case inside, and outer ring fuel chamber 2 is positioned at outer ring department of fuel gas 101, inner ring fuel chamber 4 is positioned at inner ring department of fuel gas 102, is provided with the regulating positioning device 3 being connected on each outer ring air gun 6 in outer casing groove portion 103。Rotating regulating positioning device in use procedure, can to realize the reference circle of outer ring air gun nozzle adjustable, to adjust fuel staging degree。
In the above-described embodiments, each regulating positioning device 3 includes a Hough clip-like adjusting tap 32 being enclosed within outside outer ring air gun 6, and connects the graduated disc 33 of outer ring air gun 6 and Hough clip-like adjusting tap 32；The gun barrel of clamping outer ring, Hough clip-like adjusting tap 32 one end air gun 6, the other end is corresponding with the hole, location arranged on graduated disc 33 by alignment pin 31。
In the above-described embodiments, inner ring fuel chamber 4 and outer ring fuel chamber 2 connect outer combustion gas feeder 13 by shunting Gas Pipe 12 and shunt tube assemblies 11 simultaneously。
As it is shown in figure 1, combustor inlet place becomes two-way by tapping pipe fitting in the future edema caused by disorder of QI, and being respectively fed to the air chamber of every road combustion gas, every grade of gas quantity is adjustable respectively, and inner ring tolerance range of accommodation is 15% ~ 40%, and outer ring tolerance range of accommodation is 60% ~ 85%。Every grade of combustion gas all has independent air chamber, leaves certain intervals between described outer ring air gun air chamber and inner ring air gun air chamber, for installing the regulating positioning device of outer ring air gun。Each regulating positioning device 3 includes a Hough clip-like adjusting tap 32 being enclosed within outside outer ring air gun 6, and is fixed on the graduated disc 33 on air gun sleeve pipe；After being adjusted in place, Hough clip-like adjusting tap 32 is fixed on outer ring air gun 6 by alignment pin 31。It can carry out the reference circle of quantitative adjusting air gun spout according to the relative position of adjusting tap and graduated disc, and referring to Fig. 5, described graduated disc is divided into 12 equal portions by 0 ° ~ 180 °。Wherein 90 ° corresponding outer ring air gun spout reference circle is maximum, and the reference circle of spout 0 ° corresponding with 180 ° is minimum, by alignment pin, gun barrel is fixed after being adjusted in place。
A kind of combustion gas low NO of the present invention, the discharge value of the nitrogen oxides produced when reducing the burner combustion of combustion gas。It is capable of the abundant burning of combustion gas by this burner, and fired state is stable, be not susceptible to de-fire and tempering situation。
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, those of ordinary skill in the art; very easily according to above-described embodiment, understand the spirit of the present invention, and make different amplifications and change; but as long as without departing from the spirit of the present invention, all in protection scope of the present invention。
Claims (9)
1. a combustion gas low NO, it is characterized in that: include housing (1) and the air duct (15) set within it, and be arranged on the outer ring fuel chamber (2) in air duct (15), inner ring fuel chamber (4), surely fire cover (9), lighter (10)；Wherein said lighter (10) is arranged on the radial center position of air duct (15)；The outer ring combustion gas I that it is interior is caused housing (1) outside by some outer rings air gun (6) and burns by described outer ring fuel chamber (2), and the reference circle of outer ring air gun nozzleΦAdjustable；Cover (9) terminal position that surely fires that inner ring combustion gas II is caused in air duct (15) by described inner ring fuel chamber (4) by some inner ring air guns (5) burns；And described steady combustion cover (9) is arranged near the end of inner ring air gun (5), end (104) place of described housing (1) is additionally provided with several grooves (8) around its layout, and in described housing (1), the one piece of seesaw (7) tilted in oriented air duct (11) is installed in corresponding each groove (8) position。
2. a kind of combustion gas low NO according to claim 1, it is characterized in that: described inner ring air gun (5) is evenly arranged in burner shell internal air passageway, one end of each of which root inner ring air gun (5) is connected with inner ring fuel chamber (4), the other end extends to and surely fires after cover (9), and bending is inner ring air gun bending part (51) radially inward, described inner ring air gun bending part (51) end end cap (14) is closed, and described inner ring air gun bending part (51) also has some steam vents (52) towards burner nozzle side, the central axis direction of described end cap (14) also has end steam vent (53) simultaneously。
3. a kind of combustion gas low NO according to claim 1, it is characterized in that: each described outer ring air gun (6) includes export department (61), the first bending part (62) and the second bending part (63), wherein said export department (61) and the second bending part (63) are parallel to each other, and described second bending part (63) is positioned at the export department (61) side away from housing (1), and makes the reference circle Φ of outer ring air gun nozzle adjustable by regulating positioning device。
4. a kind of combustion gas low NO according to claim 1, it is characterised in that: every a piece of described seesaw (7) is fixed on the inwall of housing (1)。
5. a kind of combustion gas low NO according to claim 4, it is characterised in that: each piece of described seesaw (7) is arcuate structure, and its entirety is trapezium structure along the projecting direction of its axial place plane。
6. a kind of combustion gas low NO according to claim 4 or 5, it is characterised in that: described seesaw (7) and inner ring air gun (5) interval are arranged, and its one end tilted to air duct is additionally provided with the guidance part (71) parallel with air flow。
7. a kind of combustion gas low NO according to claim 1, it is characterized in that: described housing (1) includes from lighter (10) entrance to the outer ring department of fuel gas (101) that Way out sets gradually, outer casing groove portion (103), inner ring department of fuel gas (102) and spout end (104), described outer casing groove (103) is recessed to case inside, and described outer ring fuel chamber (2) is positioned at outer ring department of fuel gas (101), described inner ring fuel chamber (4) is positioned at inner ring department of fuel gas (102), the regulating positioning device (3) being connected on each outer ring air gun (6) it is provided with in described outer casing groove portion (103)。
8. a kind of combustion gas low NO according to claim 7, it is characterized in that: each described regulating positioning device (3) includes Hough clip-like adjusting tap (32) being enclosed within outer ring air gun (6), and is fixed on the positioning dial disc (33) on the air gun sleeve pipe of outer ring；The gun barrel of described Hough clamping outer ring air gun, clip-like adjusting tap (32) one end (6), the other end is corresponding by the upper hole, location arranged of alignment pin (31) and graduated disc (33)。
9. a kind of combustion gas low NO according to claim 1, it is characterised in that: described inner ring fuel chamber (4) and outer ring fuel chamber (2) are simultaneously by tapping Gas Pipe (12) and shunt tube assemblies (11) connection outer combustion gas feeder (13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219866.0A CN105698174B (en) | 2016-04-11 | 2016-04-11 | A kind of combustion gas low NO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219866.0A CN105698174B (en) | 2016-04-11 | 2016-04-11 | A kind of combustion gas low NO |
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| Publication Number | Publication Date |
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| CN105698174A true CN105698174A (en) | 2016-06-22 |
| CN105698174B CN105698174B (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610219866.0A Active CN105698174B (en) | 2016-04-11 | 2016-04-11 | A kind of combustion gas low NO |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183754A (en) * | 2020-09-14 | 2022-03-15 | 意大利利雅路股份有限公司 | Burner head of burner |
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| EP0386732A2 (en) * | 1989-03-10 | 1990-09-12 | Oertli Wärmetechnik Ag | Combustion apparatus for dual fuel burner |
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| CN103471101A (en) * | 2013-09-26 | 2013-12-25 | 长沙理工大学 | Multi-spray-nozzle bulky combustion low-NOx gas combustor |
| CN103968383A (en) * | 2014-06-02 | 2014-08-06 | 魏伯卿 | Combined adjustable oxygen-enriched combustor |
| CN104964282A (en) * | 2015-02-11 | 2015-10-07 | 上海浩用工业炉有限公司 | Double-preheating environmental protection combustor for tube heating furnace and applications thereof |
| CN105114951A (en) * | 2015-08-21 | 2015-12-02 | 北京航天动力研究所 | Tail edge backflow dual-classification low-nitrogen-oxygen gas burner |
| CN105351925A (en) * | 2015-11-09 | 2016-02-24 | 上海华之邦科技股份有限公司 | Low-emission gas combustion furnace and combustion air preparation method thereof |
| CN205655296U (en) * | 2016-04-11 | 2016-10-19 | 徐州科融环境资源股份有限公司 | Low NOx burner for gas |
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2016
- 2016-04-11 CN CN201610219866.0A patent/CN105698174B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0386732A2 (en) * | 1989-03-10 | 1990-09-12 | Oertli Wärmetechnik Ag | Combustion apparatus for dual fuel burner |
| CN101936530A (en) * | 2010-09-29 | 2011-01-05 | 中国石油化工股份有限公司 | Multi-point combustion long-flame gas burner with ultralow nitrogen oxide (NOx) emission |
| CN103471101A (en) * | 2013-09-26 | 2013-12-25 | 长沙理工大学 | Multi-spray-nozzle bulky combustion low-NOx gas combustor |
| CN103968383A (en) * | 2014-06-02 | 2014-08-06 | 魏伯卿 | Combined adjustable oxygen-enriched combustor |
| CN104964282A (en) * | 2015-02-11 | 2015-10-07 | 上海浩用工业炉有限公司 | Double-preheating environmental protection combustor for tube heating furnace and applications thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183754A (en) * | 2020-09-14 | 2022-03-15 | 意大利利雅路股份有限公司 | Burner head of burner |
| US11841137B2 (en) | 2020-09-14 | 2023-12-12 | Riello, S.P.A. | Combustion head for a burner |
| CN114183754B (en) * | 2020-09-14 | 2024-04-26 | 意大利利雅路股份有限公司 | Burner head of burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105698174B (en) | 2018-07-17 |
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