CN102230623A - Flat combustion device - Google Patents
Flat combustion device Download PDFInfo
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- CN102230623A CN102230623A CN 201110194351 CN201110194351A CN102230623A CN 102230623 A CN102230623 A CN 102230623A CN 201110194351 CN201110194351 CN 201110194351 CN 201110194351 A CN201110194351 A CN 201110194351A CN 102230623 A CN102230623 A CN 102230623A
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- spout
- angle
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- distribution
- combustion gas
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Abstract
The invention discloses a flat combustion device which comprises a nozzle distribution unit, an air inlet unit and a flame control unit, wherein the air inlet unit and the flame control unit are respectively connected with the two sides of the nozzle distribution unit; the nozzle distribution unit is provided with a gas nozzle, a primary air nozzle, a secondary air nozzle and a flame stability region. According to the invention, through reasonable distribution of various nozzles, the guidance of the gas can be achieved so as to form flat flame; and through the flat flame, the vertical projected area of a flame face on a blank can be effectively increased, the heat transfer process is enhanced, heating quality is improved, and the good heating effect is still maintained under the condition that the distribution spaces of the combustion devices are enlarged, thereby solving the problem that the distribution spaces of the combustion devices are limited and reducing equipment manufacturing cost; and in addition, through the special distribution of the nozzles, the local oxygen concentration and local high temperature of a combustion reaction region are effectively reduced, and the emission of NOX is effectively lowered. The flat combustion device can be widely applied to thermal equipment based on air as a fuel in the fields of metallurgy, machine, chemical engineering and the like.
Description
Technical field
The present invention relates to a kind of Thermal Equipment parts, particularly a kind of energy-efficient burner.
Background technology
Mostly the burner that uses on the smelting and heating is rotary structure, and flame burning passage root is located immediately at a revolution body opening on the furnace wall often, and the main reaction region air is wrapped in combustion gas, and rotation sprays into the burner hearth internal combustion, forms columniform revolving body flame.
For other hole shape, the revolution body opening is best for the intensity of furnace wall.But in other respects, also there are 2 deficiencies in this traditional flame structure.
(1) furnace heat transfer is poor: revolving body flame is relatively poor relatively to the heat transfer that is heated blank, and mainly showing as flame, to sprawl degree in the horizontal direction not enough, little at the perpendicular projection area that is heated on the material base, relatively low to the RADIATION ANGLE COEFFICIENT of steel billet.This will cause the interior complex heat transfer coefficient of stove low, and then reduce the utilization rate of the burner hearth thermal efficiency and fuel, be unfavorable for energy-conservation.
(2) local temperature is too high: revolving body flame is cylindrical, and the same capabilities condition flame perpendicular projection area on material base of turning next time is little, and heating region is more concentrated, causes local temperature to cross problems such as height easily, influences the heating quality of material base.
(3) burner arrangement is restricted, and one-time investment and maintenance are big: revolving body flame is in that to be heated on the blank perpendicular projection area little, and the burner spacing is excessive, causes the blank inequality of being heated easily.And the arrangement pitch of burner often is subjected to the influence of water beam column, side wall column etc., can't arbitrarily shorten again.And for certain-length, the hypotelorism of burner means that its quantity increases, the also corresponding increase of pipeline and valve, and construction cost and maintenance cost increase thereupon.
(4) nitrogen oxide NO
XDischarge capacity big: along with improving constantly of environmental requirement, the NO of conventional burners
XDischarge index falls behind gradually, demands further reducing the NOx discharge capacity of burner urgently.
Therefore, need to explore a kind of burner of efficient, energy-saving and environmental protection, make it big at the perpendicular projection area that is heated on the material base, the NOx of generation is few, and the burner efficiency of heating surface is low, heating is inhomogeneous to solve, arrange limited and NO
XProblem such as discharging is not up to standard.
Summary of the invention
In view of this, the invention provides a kind of flat burner, this burner can produce the flat flame of sprawling, and increases the perpendicular projection area of flame on blank, reaches strengthening heat transfer, improves heating quality, solves the purpose of the limited problem of burner arrangement.
A kind of flat burner of the present invention, comprise the spout arrangement unit, be connected to the air inlet unit and the flame control unit of spout arrangement unit both sides, described spout arrangement unit is provided with the combustion gas spout, the primary air spout, auxiliary air spout and flame stabilizing zone, flame stabilizing zone is the cylindrical region that is arranged at close flame control unit one side on the spout arrangement unit, combustion gas spout and primary air spout are positioned at flame stabilizing zone, described air inlet unit comprises the blast tube with the combustion gas spout connection, with the primary air passage of primary air spout connection and with the secondary-air passage of auxiliary air spout connection, the cross section of described flame control unit is that ellipse and cross-sectional area increase formation horn mouth structure gradually along airflow direction, described combustion gas spout, the primary air spout, auxiliary air spout and flame stabilizing zone all are positioned at the entrance area of flame control unit, described primary air spout ovalize be distributed in the combustion gas spout around, auxiliary air spout ovalize be distributed in combustion gas spout and primary air spout around, the distribution of primary air spout is oval identical and all concentric with the combustion gas spout with the distribution transverse direction of auxiliary air spout, and the major axis of the oval cross section of flame control unit is identical with described any one distribution long axis of ellipse direction.
Further, described combustion gas spout is a flat pattern, and the long limit of combustion gas spout is parallel with described any one distribution long axis of ellipse, and the long limit of combustion gas spout and the ratio of minor face are 1～5;
Further, described combustion gas spout forms angle of flare I along described any one distribution long axis of ellipse direction expansion, and the angle of angle of flare I is 0～45o;
Further, the axis of the auxiliary air spout of described any one distribution ellipse short shaft both sides is formed slopely angle of flare II, and the angle of angle of flare II is 0～60o, and angle of flare II is more than or equal to angle of flare I;
Further, the angle of the bell-mouthed angle of flare III of described flame control unit is 20～60o, and angle of flare III is more than or equal to angle of flare II;
Further, described auxiliary air spout is made of four groups of spouts, four groups of spouts are symmetrically distributed in described any one distribution long axis of ellipse both sides in twos, also being symmetrically distributed in simultaneously described any one oval minor axis both sides that distribute in twos, is D at the neighboring edge of two groups of spouts of major axis the same side and the angle between its distribution elliptical center line
4, 60o＜D
4＜150o; Two edges of every group of spout and the angle between its distribution elliptical center line are D
5, D
4＞2D
5
Further, described auxiliary air spout is d along its oval radial width that distributes
1, auxiliary air orifice rim and flame control unit ingress edge are d along the oval radial distance that distributes
2, 1/3d
1＜d
2＜3/2d
1
Beneficial effect of the present invention: flat burner of the present invention, comprise the spout arrangement unit, be connected to the air inlet unit and the flame control unit of spout arrangement unit both sides, the spout arrangement unit is provided with the combustion gas spout, the primary air spout, auxiliary air spout and flame stabilizing zone, the present invention is by the reasonable Arrangement to each spout, realization forms flat flame to the guiding of combustion gas, flat flame can effectively increase the perpendicular projection area of flame front on blank, strengthening heat transfer, improve heating quality, under the situation that the burner arrangement spacing increases, still can keep the good thermal effect that adds, solve the problem of existing burner arrangement pitch-limited, reduce the device fabrication cost, in addition, the present invention is by the special arrangement to spout, and the local oxygen concentration and the localized hyperthermia that effectively reduce combustion zone effectively reduce NO
XDischarging.It is on the Thermal Equipment of fuel with gas that the present invention can be widely used in industries such as metallurgy, machinery, chemical industry.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described;
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the I place partial enlarged drawing among Fig. 2;
Fig. 5, Fig. 6 and Fig. 7 are three kinds of pass schematic diagrames of combustion gas spout;
Fig. 8 and Fig. 9 are two kinds of pass schematic diagrames of auxiliary air spout;
Figure 10 and Figure 11 are two kinds of pass schematic diagrames of primary air spout.
The specific embodiment
Below with reference to accompanying drawing the present invention is elaborated, the flat burner of present embodiment, comprise spout arrangement unit 1, be connected in the air inlet unit 2 and the flame control unit 3 of its both sides respectively near spout arrangement unit 1, described spout arrangement unit 1 is provided with combustion gas spout 1a, primary air spout 1b, auxiliary air spout 1c and flame stabilizing zone 1d, flame stabilizing zone 1d is the cylindrical region that is arranged at close flame control unit 3 one sides on the spout arrangement unit 1, combustion gas spout 1a and primary air spout 1b are positioned at flame stabilizing zone 1d, auxiliary air spout 1c is positioned at outside the flame stabilizing zone, promptly the gas from combustion gas spout and the ejection of primary air spout directly enters in the cylindrical region of flame stabilizing zone, described air inlet unit 2 comprises the blast tube 2a that is communicated with combustion gas spout 1a, primary air passage 2b that is communicated with primary air spout 1b and the secondary-air passage 2c that is communicated with auxiliary air spout 1c, as shown in Figure 1, primary air passage 2b is the circular passage that is looped around blast tube 2a periphery, secondary-air passage 2c is the circular passage that is looped around primary air passage 2b periphery, the horn mouth structure that described flame control unit 3 increases along airflow direction gradually for cross-sectional area, described combustion gas spout 1a, primary air spout 1b, auxiliary air spout 1c and flame stabilizing zone 1d all are positioned at the entrance area of flame control unit 3, described primary air spout 1b ovalize be distributed in combustion gas spout 1a around, auxiliary air spout 1c ovalize be distributed in combustion gas spout 1a and primary air spout 1b around, the distribution of primary air spout 1b is oval identical and all concentric with combustion gas spout 1a with the distribution transverse direction of auxiliary air spout 1c, as shown in Figure 10 and Figure 11, the primary air spout is except that the circular hole of arranging side by side, also can adopt rectangle or arcuate socket, combustion gas spout 1a, primary air spout 1b and auxiliary air spout 1c arrange from inside to outside successively, the cross section of flame control unit 3 also is oval, and the major axis of this oval cross section is identical with described distribution transverse direction.
Because primary air spout 1b ovalize distributes, and when air sprays from primary air spout 1b, forms sealing gland on distribution ellipse short shaft direction, force the combustion gas of combustion gas spout 1a ejection mainly to be spread along distribution long axis of ellipse direction; Simultaneously, auxiliary air spout 1c also ovalize distributes, and when air sprays from auxiliary air spout 1c, also can form sealing gland on distribution ellipse short shaft direction, forces combustion gas further to be spread along distribution long axis of ellipse direction.The air of primary air spout 1b ejection and combustion gas are at first at flame stabilizing zone generation diffusion combustion, form stable flat flame, unburned combustion gas continues to spread on distribution long axis of ellipse direction, burn away in the horn mouth of flame control unit 3 with the air of auxiliary air spout 1c ejection, further widen the sprawl degree of flame front, finally form desirable flat flame in distribution transverse direction.When air and combustion gas entered flame stabilizing zone, the jeting effect of gas produced the negative pressure recirculating zone around inlet, and combustion gas and air take place to reflux and mixed combustion, for burner forms stable incendiary source, guaranteed that combustion process carries out continually and steadily.It is identical that the long axis direction of flame control unit oval cross section and flame are sprawled direction, continues to force flame to sprawl along its long axis direction is flat.Air divides primary air and auxiliary air to participate in burning, the local oxygen concentration and the localized hyperthermia that help reducing reaction zone, thus reduce nitrogen oxide; The horn mouth structure of flame control unit combines with the injection effect of auxiliary air spout 1c, also controlled the capacity of returns of burnt gas, direct exhaust refluxes and participates in burning, further reduces the localized hyperthermia and the local oxygen concentration of combustion zone, thereby further reduces nitrogen oxide; Simultaneously, rationally control capacity of returns, the waste gas of guaranteeing again to reflux is unlikely to influence the stability of flame root.The flat flame of low Nox has increased the perpendicular projection area of flame front on blank, strengthened diabatic process, improved heating quality, under the situation that the burner arrangement spacing increases, still can keep the good thermal effect that adds, what can be widely used in industries such as metallurgy, machinery, chemical industry is on the Thermal Equipment of fuel with gas.
As further improvement in the technical proposal, described combustion gas spout 1a is a flat pattern, the long limit of combustion gas spout 1a is parallel with described any one distribution long axis of ellipse, the long limit of combustion gas spout 1a and the ratio of minor face are 1～5, after combustion gas sprays from the combustion gas spout through blast tube, can be along the flat diffusion of distribution long axis of ellipse direction under the guiding of combustion gas spout, improve diffusion effect, as Fig. 5,6, shown in 7, the combustion gas spout can be an oval shape, rectangle, several and round intersects the flat pattern that forms and any shape of can guiding gas sprawling to distribution transverse direction, all can realize purpose of the present invention.
As further improvement in the technical proposal, described combustion gas spout 1a forms angle of flare I D along described any one distribution long axis of ellipse direction expansion
1, angle of flare I D
1Angle be 0～45o, in above-mentioned angular range, both can play the good result that guiding gas is sprawled to distribution transverse direction, be unlikely to influence the fuel gas return-flow that the fuel gas injection effect causes again.
As further improvement in the technical proposal, the axis of the auxiliary air spout 1c of described any one distribution ellipse short shaft both sides is formed slopely angle of flare II D
2, angle of flare II D
2Angle be 0～60o, angle of flare II is big more, flame flat is sprawled favourable more, but therefore the exhaust gas recirculation that the injection effect that angle is crossed conference influences air causes, needs to select a preferable angular range, angle of flare II D
2More than or equal to angle of flare I D
1, otherwise may cause non-complete combustion of fuel.
As further improvement in the technical proposal, the bell-mouthed angle of flare III D of described flame control unit 3
3Angle be 20～60o, angle of flare III is big more, flame flat is sprawled favourable more, but therefore the exhaust gas recirculation that the injection effect that angle is crossed conference influences air causes, needs to select a preferable angular range, angle of flare III D
3More than or equal to angle of flare II D
2, otherwise be unfavorable for that the flat of flame sprawl.
As further improvement in the technical proposal, described auxiliary air spout 1b is made of four groups of spouts, as Fig. 8 and shown in Figure 9, except that circular hole arranged side by side, the pass of four groups of spouts also can be rectangular opening or arcuate socket etc., four groups of spouts are symmetrically distributed in described any one distribution long axis of ellipse both sides in twos, also being symmetrically distributed in simultaneously described any one oval minor axis both sides that distribute in twos, is D at the neighboring edge of two groups of spouts of major axis the same side and the angle between its distribution elliptical center line
4, 60o＜D
4＜150o; Two edges of every group of spout and the angle between its distribution elliptical center line are D
5, D
4＞2D
5, the injection effect of primary air spout and auxiliary air spout causes that flue gas is at D
4Interior and the D of scope
5Reflux in the scope, the backflow flue gas reduces localized hyperthermia, reduces the partial oxygen concentration of combustion zone, thereby realizes reducing significantly the nitrogen oxide that burning is produced.
As further improvement in the technical proposal, described auxiliary air spout 1c is d along its oval radial width that distributes
1, auxiliary air spout 1c edge and flame control unit 3 ingress edges are d along the oval radial distance that distributes
2, 1/3d
1＜d
2＜3/2d
1, d
2Too small, jet-stream wind is close to the horn mouth inwall of the control module that burns easily, produces adherent effect, is unfavorable for refluxing; d
2Excessive, reflux gas from auxiliary air spout dry combustion method auxiliary air, influences flame sprawling on width easily, is unfavorable for flame holding, therefore, and d
1And d
2Between need to determine a suitable proportionate relationship.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. flat burner, comprise spout arrangement unit (1), be connected to the air inlet unit (2) and the flame control unit (3) of spout arrangement unit (1) both sides, it is characterized in that: described spout arrangement unit (1) is provided with combustion gas spout (1a), primary air spout (1b), auxiliary air spout (1c) and flame stabilizing zone (1d), flame stabilizing zone (1d) is for being arranged at the cylindrical region of close flame control unit (3) one sides on the spout arrangement unit (1), combustion gas spout (1a) and primary air spout (1b) are positioned at flame stabilizing zone (1d), described air inlet unit (2) comprises the blast tube (2a) that is communicated with combustion gas spout (1a), primary air passage (2b) that is communicated with primary air spout (1b) and the secondary-air passage (2c) that is communicated with auxiliary air spout (1c), the cross section of described flame control unit (3) is that ellipse and cross-sectional area increase formation horn mouth structure gradually along airflow direction, described combustion gas spout (1a), primary air spout (1b), auxiliary air spout (1c) and flame stabilizing zone (1d) all are positioned at the entrance area of flame control unit (3), described primary air spout (1b) ovalize be distributed in combustion gas spout (1a) around, auxiliary air spout (1c) ovalize be distributed in combustion gas spout (1a) and primary air spout (1b) around, the distribution of primary air spout (1b) is oval identical and all concentric with combustion gas spout (1a) with the distribution transverse direction of auxiliary air spout (1c), and the major axis of the oval cross section of flame control unit (3) is identical with described any one distribution long axis of ellipse direction.
2. flat burner according to claim 1, it is characterized in that: described combustion gas spout (1a) is a flat pattern, the long limit of combustion gas spout (1a) is parallel with described any one distribution long axis of ellipse, and the long limit of combustion gas spout (1a) and the ratio of minor face are 1～5.
3. flat burner according to claim 2 is characterized in that: described combustion gas spout (1a) forms angle of flare I (D along described any one distribution long axis of ellipse direction expansion
1), angle of flare I (D
1) angle be 0～45o.
4. flat burner according to claim 3 is characterized in that: the axis of the auxiliary air spout (1c) of described any one distribution ellipse short shaft both sides is formed slopely angle of flare II (D
2), angle of flare II (D
2) angle be 0～60o, angle of flare II (D
2) more than or equal to angle of flare I (D
1).
5. flat burner according to claim 4 is characterized in that: the bell-mouthed angle of flare III (D of described flame control unit (3)
3) angle be 20～60o, angle of flare III (D
3) more than or equal to angle of flare II (D
2).
6. according to any described flat burner of claim 1-5, it is characterized in that: described auxiliary air spout (1b) is made of four groups of spouts, four groups of spouts are symmetrically distributed in described any one distribution long axis of ellipse both sides in twos, also being symmetrically distributed in simultaneously described any one oval minor axis both sides that distribute in twos, is D at the neighboring edge of two groups of spouts of major axis the same side and the angle between its distribution elliptical center line
4, 60o＜D
4＜150o; Two edges of every group of spout and the angle between its distribution elliptical center line are D
5, D
4＞2D
5
7. flat burner according to claim 6 is characterized in that: described auxiliary air spout (1c) is d along its oval radial width that distributes
1, auxiliary air spout (1c) edge and flame control unit (3) ingress edge are d along the oval radial distance that distributes
2, 1/3d
1＜d
2＜3/2d
1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110194351 CN102230623B (en) | 2011-07-12 | 2011-07-12 | Flat combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110194351 CN102230623B (en) | 2011-07-12 | 2011-07-12 | Flat combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102230623A true CN102230623A (en) | 2011-11-02 |
| CN102230623B CN102230623B (en) | 2013-04-17 |
Family
ID=44843219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110194351 Active CN102230623B (en) | 2011-07-12 | 2011-07-12 | Flat combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102230623B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691249A (en) * | 2012-06-05 | 2012-09-26 | 中联重科股份有限公司 | Linear heater, heating device of ironing plate in spreading machine and spreading machine |
| AU2011253756B2 (en) * | 2011-11-30 | 2014-01-16 | Ooksan Industrial Machine Technology Co., Ltd. | Burner for sintering |
| CN103878288A (en) * | 2014-04-14 | 2014-06-25 | 章丘市荣升锻压有限公司 | Gas heating furnace for hub forging |
| CN104633658A (en) * | 2015-02-15 | 2015-05-20 | 重庆赛迪工业炉有限公司 | Burner with low nitrogen oxide |
| EP2940389A1 (en) * | 2014-05-02 | 2015-11-04 | Siemens Aktiengesellschaft | Combustor burner arrangement |
| EP3034942A1 (en) * | 2014-12-15 | 2016-06-22 | Fortum OYJ | Bio oil burner and oil nozzle |
| CN107191934A (en) * | 2017-07-31 | 2017-09-22 | 重庆赛迪热工环保工程技术有限公司 | A kind of non-premix burner nozzle |
| CN107957066A (en) * | 2017-12-22 | 2018-04-24 | 上海齐耀热能工程有限公司 | burning torch |
| CN110864288A (en) * | 2019-11-22 | 2020-03-06 | 杭州中景科技有限公司 | Low NOx wide flat flame burner |
| CN112443843A (en) * | 2019-08-27 | 2021-03-05 | 高奇工程有限公司 | For NOXHeat accumulating type burner with remarkably reduced emission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641475Y (en) * | 2003-08-06 | 2004-09-15 | 北京金瑞华科技有限公司 | Low heat value low pressure/high pressure fuel gas combination burner |
| US20070082309A1 (en) * | 2005-10-07 | 2007-04-12 | Carrier Corporation | Inshot burner flame retainer |
| US7441416B2 (en) * | 2000-12-19 | 2008-10-28 | Prysmian Cavi E Sistemi Energia S.R.L. | Method for manufacturing optical fibre preforms |
| CN101769533A (en) * | 2009-01-07 | 2010-07-07 | 通用电气公司 | Method and apparatus to facilitate cooling of a diffusion tip within a gas turbine engine |
| CN202132950U (en) * | 2011-07-12 | 2012-02-01 | 重庆赛迪工业炉有限公司 | Flat combustion device |
-
2011
- 2011-07-12 CN CN 201110194351 patent/CN102230623B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7441416B2 (en) * | 2000-12-19 | 2008-10-28 | Prysmian Cavi E Sistemi Energia S.R.L. | Method for manufacturing optical fibre preforms |
| CN2641475Y (en) * | 2003-08-06 | 2004-09-15 | 北京金瑞华科技有限公司 | Low heat value low pressure/high pressure fuel gas combination burner |
| US20070082309A1 (en) * | 2005-10-07 | 2007-04-12 | Carrier Corporation | Inshot burner flame retainer |
| CN101769533A (en) * | 2009-01-07 | 2010-07-07 | 通用电气公司 | Method and apparatus to facilitate cooling of a diffusion tip within a gas turbine engine |
| CN202132950U (en) * | 2011-07-12 | 2012-02-01 | 重庆赛迪工业炉有限公司 | Flat combustion device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011253756B2 (en) * | 2011-11-30 | 2014-01-16 | Ooksan Industrial Machine Technology Co., Ltd. | Burner for sintering |
| CN102691249A (en) * | 2012-06-05 | 2012-09-26 | 中联重科股份有限公司 | Linear heater, heating device of ironing plate in spreading machine and spreading machine |
| CN102691249B (en) * | 2012-06-05 | 2015-08-26 | 中联重科股份有限公司 | The heater of screed and paver in linear heater, paver |
| CN103878288B (en) * | 2014-04-14 | 2015-09-30 | 章丘市荣升锻压有限公司 | The gas-fired heater of wheel hub forging |
| CN103878288A (en) * | 2014-04-14 | 2014-06-25 | 章丘市荣升锻压有限公司 | Gas heating furnace for hub forging |
| CN106415132A (en) * | 2014-05-02 | 2017-02-15 | 西门子股份公司 | Combustor burner arrangement |
| EP2940389A1 (en) * | 2014-05-02 | 2015-11-04 | Siemens Aktiengesellschaft | Combustor burner arrangement |
| US10533748B2 (en) | 2014-05-02 | 2020-01-14 | Siemens Aktiengesellschaft | Combustor burner arrangement |
| EP3034942A1 (en) * | 2014-12-15 | 2016-06-22 | Fortum OYJ | Bio oil burner and oil nozzle |
| CN104633658A (en) * | 2015-02-15 | 2015-05-20 | 重庆赛迪工业炉有限公司 | Burner with low nitrogen oxide |
| CN107191934A (en) * | 2017-07-31 | 2017-09-22 | 重庆赛迪热工环保工程技术有限公司 | A kind of non-premix burner nozzle |
| CN107191934B (en) * | 2017-07-31 | 2023-11-03 | 重庆赛迪热工环保工程技术有限公司 | Non-premixed burner |
| CN107957066A (en) * | 2017-12-22 | 2018-04-24 | 上海齐耀热能工程有限公司 | burning torch |
| CN112443843A (en) * | 2019-08-27 | 2021-03-05 | 高奇工程有限公司 | For NOXHeat accumulating type burner with remarkably reduced emission |
| CN112443843B (en) * | 2019-08-27 | 2024-03-22 | 高奇工程有限公司 | For NO X Regenerative burner with significantly reduced emissions |
| CN110864288A (en) * | 2019-11-22 | 2020-03-06 | 杭州中景科技有限公司 | Low NOx wide flat flame burner |
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|---|---|
| CN102230623B (en) | 2013-04-17 |
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