CN1417521A - Blunt-tornade combined cyclonic burner - Google Patents
Blunt-tornade combined cyclonic burner Download PDFInfo
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- CN1417521A CN1417521A CN 02153381 CN02153381A CN1417521A CN 1417521 A CN1417521 A CN 1417521A CN 02153381 CN02153381 CN 02153381 CN 02153381 A CN02153381 A CN 02153381A CN 1417521 A CN1417521 A CN 1417521A
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- spout
- bluff body
- generator
- fuel
- whirlwind
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Abstract
The blunt-tornade combined cyclonic burner includes blunt vortex generator, tornade whirlwind generator and fuel supply system. The blunt vortex generator and the tornade whirlwind generator are assembled together. The fuel or fuel-air mixture after entering the dune blunt inner cavity is made to enter the vortex area and is reelingly sprayed out via the vortex tube. The said tornade whirlwind generator consists of tornade cyclone with one enclosed end and one opened end, and vortex tube connected to the opened end of the tornade cyclone. The fuel supply system feeds via pipeline fuel or fuel-air mixture to the peripheral area of the blunt vortex area and the tornade whirlwine area. The present invention has high burning speed, high burning efficiency, wide rich and poor flameout borderline and wide application range.
Description
Technical field
The present invention relates to a kind of burner, particularly at a kind of bluff body of gas turbine combustion and boiler combustion---spout combination turbulent burner.
Background technology
In existing gas-turbine combustion chamber and boiler, use maximum vortex generators that two classes are arranged: axial flow cyclone and bluff body vortex generator.Combustion process relies on the vortex retention flame of vortex generator and relies on the turbulent mixing process to strengthen burning velocity and intensity.One of technology of bluff body vortex generator best performance show is a dune-shaped stationary-eddy flameholder, and it has outstanding oil-poor stability boundaris and minimum resistance.But it still relies on turbulent mixing, and burning velocity and other bluff body stabilizer are similar, and various axial flow cyclone do not reach the requirement of revolving high-velocity combustion by force yet on burning velocity.
In order to overcome above-mentioned defective, bluff body of the present invention---spout combination turbulent burner then can obtain high combustion speed, high burning efficiency, broad flame-out characteristic of lean and fat oil and slight drag characteristic.
Summary of the invention
The turbulent burner that the purpose of this invention is to provide a kind of compound mode, this burner have high combustion speed (or being called high heat capacity intensity), high burning efficiency, the broad flame-out border of lean and fat oil.Be applicable to polytype gas turbine main chamber and resume combustion combustion chamber, under mal-conditions such as low pressure, anoxic, air-flow high speed, its advantage is more outstanding.In fuel oil or gas fired-boiler and pulverized-coal fired boiler, also can increase substantially the bluff body of efficiency of combustion---spout combination turbulent burner.
In order to realize above-mentioned purpose, a kind of bluff body of the present invention---spout combination turbulent burner includes bluff body vortex generator, spout whirlwind generator, fuel system.Spout whirlwind generator 2 is installed on the dividing plate 6 in the bluff body vortex generator 1, dividing plate 6 is provided with premix vent hole 8, from pre-gas mixing pipe 3 infeed fuel or fuel---air mixture is entering into sand dune bluff body inner chamber 5 after premix gas enters into vortex region 9 by through hole 8, and by tornadotron 10 rotation ejections, described spout whirlwind generator 2 is made up of spout cyclone 7 and tornadotron 10, spout cyclone 7 can be made of guide vane 12, the sealing of spout cyclone 7 one ends, one end is open, and tornadotron 10 is connected the openend of spout cyclone 7; Fuel system through pipeline with fuel or fuel---air mixture infeeds in bluff body vortex region 9 and the spout whirlwind external zones 11.
Described burner, bluff body vortex generator 1 fits together with spout whirlwind generator 2.
Described burner, spout whirlwind generator 2 is contained in bluff body vortex generator 1 inside, and tornadotron 10 is installed in the vortex region 9 of bluff body vortex generator 1.
Described burner, spout whirlwind generator 2 can be assembled in the front portion of bluff body vortex generator 1, and in the time of before spout whirlwind generator 2 is contained in bluff body vortex generator 1, bluff body vortex generator 1 can place tornadotron 10 exits.
Described burner, spout whirlwind generator 2 can be assembled in the front portion of bluff body vortex generator 1, and in the time of before spout whirlwind generator 2 is contained in bluff body vortex generator 1, bluff body vortex generator 1 also can place tornadotron 10 central region.
Described burner, bluff body vortex generator 1 can adopt THE BARCHAN DUNE VORTEX stabilizer 4 or truncated cone bluff body vortex generator 22 or V-type groove bluff body vortex generator 23 or arbitrary curve external form bluff body.
Described burner, tornadotron 10 can adopt vertically diameter tube or employing expansion Taper Pipe or employing expansion loudspeaker curve pipe uniformly.
Described burner, spout cyclone 7 also can be made of ring cylinder 13 and tangential slot 14.
Described burner, fuel can spray into outflow in V-type groove 23 front portions, flows to bluff body vortex region 9 then and burn in spout whirlwind periphery.
Described burner, the premix of fuel system oil gas can adopt pressed gas and fuel to spray into the mode of blending in the premix chamber.
Advantage of the present invention is: burning velocity height, efficiency of combustion height, have the flame-out border of broad lean and fat oil, and applied widely.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention.
Fig. 2 is the vertical view of structure of the present invention.
Fig. 3 is the cutaway view of another embodiment of the present invention.
Fig. 4 is the cutaway view of another embodiment of the present invention.
Fig. 5 is the A-A cutaway view of spout cyclone.
Fig. 6 is the A-A cutaway view of another specific embodiment of spout cyclone.
Fig. 7 is that tornadotron is the cutaway view of expansion Taper Pipe.
Fig. 8 is that tornadotron is the cutaway view of expansion oviduct.
Fig. 9 is the A-A cutaway view of Fig. 3 and Fig. 4.
In the drawings: 1. bluff body vortex generator 2. spout whirlwind generators 3. pre-gas mixing pipe 4. THE BARCHAN DUNE VORTEX stabilizers 5. sand dune bluff body inner chambers 6. dividing plates 7. spout cyclones 8. premix vent holes 9. vortex regions 10. tornadotrons 11. spout whirlwind districts 12. guide vanes, 13. ring cylinders, 14. tangential slots, 15. pressure gas sleeve pipes, 16. pressure gas air admission holes, 17. fuel oil sleeve pipes, 18. fuel oils are introduced hole 19. premix pipe box groups, 20. pressure gas ventholes, 21. fuel oils 22. truncated cone bluff body vortex generator 23.V type groove bluff body vortex generators that portal
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
See also shown in Figure 1ly, bluff body of the present invention---spout combination turbulent burner is made up of bluff body vortex generator, spout whirlwind generator and fuel system three parts.Spout whirlwind generator 2 is installed on the dividing plate 6 in the bluff body vortex generator 1, dividing plate 6 is provided with premix vent hole 8, the fuel or the fuel that infeed from pre-gas mixing pipe 3---air mixture is entering into sand dune bluff body inner chamber 5 after premix gas enters into vortex region 9 by through hole 8 and by tornadotron 10 rotation ejections, described spout whirlwind generator 2 is made up of spout cyclone 7 and tornadotron 10, spout cyclone 7 can be made of guide vane 12, the sealing of spout cyclone 7 one ends, one end is open, and tornadotron 10 is connected the openend of spout cyclone 7.Fuel system through pipeline with fuel or fuel---air mixture infeeds in bluff body vortex region 9 and the spout whirlwind external zones 11.
Be described below respectively below:
One, bluff body vortex generator:
The various types of bluff body vortex generators that adopt in the existing combustion system all can be used for bluff body---the bluff body vortex generator 1 in the spout combination turbulent burner.For example, the bluff body vortex generator 1 in dune-shaped stationary-eddy flameholder combination turbulent burner (shown in Figure 1), axial symmetry truncated cone combination turbulent burner (shown in Figure 3) and the V-type groove combination turbulent burner (shown in Figure 4).The vortex that bluff body vortex generator 1 produces is used for the retention flame and the fuel of the spout whirlwind that ignites.
Two, spout whirlwind generator:
Spout whirlwind generator 2 is made up of spout cyclone 7 and tornadotron 10 2 parts, and spout cyclone 7 can be made of guide vane 12, also can be made of the tangential slot on the ring cylinder 13 14, and the number of the number of groove 14 or guide vane 12 is not limit.The sealing of spout cyclone 7 one ends, an end is open.Tornadotron 10 is connected the openend of spout cyclone 7.Tornadotron 10 can be homogeneous diameter, expansion Taper Pipe or expansion loudspeaker curve pipe vertically, and the length of pipe is not limit, but should link together with bluff body and look concrete condition and adjust its length and expansion ratio, and bluff body vortex and spout whirlwind can be fit together.
Bluff body vortex generator 1 must fit together with spout whirlwind generator 2.Spout whirlwind generator 2 can be assembled in the inside of bluff body vortex generator 1, also can be assembled in its front portion.In the time of before spout whirlwind generator 2 is contained in bluff body vortex generator 1, bluff body vortex generator 1 can place tornadotron 10 exits.Also can place tornadotron 10 central region.
Three, fuel system:
Fuel system must guarantee fuel or fuel---air mixture infeeds in bluff body vortex region 9, the spout whirlwind external zones 11.
Air pre-mixing gas is imported in the sand dune bluff body inner chamber 5 by pre-gas mixing pipe 3, and this inner chamber 5 is made up of THE BARCHAN DUNE VORTEX stabilizer 4 and dividing plate 6, and spout whirlwind generator 2 places this inner chamber 5 on sand dune shown in Figure 1---spout combination turbulent burner uses fuel---.Premix gas can spray into by the premix vent hole 8 on the dividing plate 6 in the vortex region 9 behind the bluff body.Premix gas rotates ejection through the conduit of spout whirlwind generator 2 simultaneously in tornadotron 10.The preceding of sand dune can be placed fuel nozzle, injects fuel directly among the incoming flow of the place ahead.
Axial symmetry truncated cone shown in Figure 3---in the spout combination turbulent burner, atomizing is assembled on the tornadotron 10 with tracheal pressure cover 15, fuel oil pipe box 17, premix pipe box 19.From the air of pressure pipe box 15 and from the fuel oil of fuel oil pipe box 17 in premix barrel 19 after the blending, one the tunnel to spray into the truncated cone through premix vent hole 8 inner and enter bluff body vortex region 9, one the tunnel sprays into truncated cone outside through premix vent hole 8 ', enters bluff body vortex region 9 and burn in spout whirlwind periphery 11 with outflow.
V-type groove shown in Figure 4---spout combination turbulent burner, fuel can spray into outflow in V-type groove 23 front portions, flows to bluff body vortex region 9 then and burn in spout whirlwind periphery 11.
Through experiment confirm, incendivity shown in Figure 1 of the present invention system has obtained high burning efficiency, and has expanded the lean and fat oil border in certain h type engine h simulation test.Incendivity shown in Figure 2 of the present invention system has obtained efficient, high heat capacity intensity combustion efficiency in the normal pressure combustion test.
Bluff body of the present invention---spout combination turbulent burner can obtain high combustion speed, high burning efficiency, broad flame-out characteristic of lean and fat oil and slight drag characteristic.
Claims (10)
1, a kind of bluff body---spout combination turbulent burner, include the bluff body vortex generator, spout whirlwind generator, fuel system, it is characterized in that: spout whirlwind generator (2) is installed on the interior dividing plate (6) of bluff body vortex generator (1), dividing plate (6) is provided with premix vent hole (8), from pre-gas mixing pipe (3) infeed fuel or fuel---air mixture is entering into sand dune bluff body inner chamber (5) after premix gas enters into vortex region (9) by through hole (8), and by tornadotron (10) rotation ejection, described spout whirlwind generator (2) is made up of spout cyclone (7) and tornadotron (10), spout cyclone (7) can be made of guide vane (12), the sealing of spout cyclone (7) one ends, one end is open, and tornadotron (10) is connected the openend of spout cyclone (7); Fuel system through pipeline with fuel or fuel---air mixture infeeds in bluff body vortex region (9) and the spout whirlwind external zones (11).
2, burner according to claim 1 is characterized in that: bluff body vortex generator (1) fits together with spout whirlwind generator (2).
3, according to claim 1,2 described burners, it is characterized in that: spout whirlwind generator (2) is contained in bluff body vortex generator (1) inside, and tornadotron (10) is installed in the vortex region (9) of bluff body vortex generator (1).
4, according to claim 1,2 described burners, it is characterized in that: spout whirlwind generator (2) can be assembled in the front portion of bluff body vortex generator (1), when spout whirlwind generator (2) is contained in bluff body vortex generator (1) before the time, bluff body vortex generator (1) can place tornadotron (10) exit.
5, according to claim 1,2 described burners, it is characterized in that: spout whirlwind generator (2) can be assembled in the front portion of bluff body vortex generator (1), when spout whirlwind generator (2) is contained in bluff body vortex generator (1) before the time, bluff body vortex generator (1) also can place tornadotron (10) central region.
6, according to claim 1,2 described burners, it is characterized in that: bluff body vortex generator (1) can adopt THE BARCHAN DUNE VORTEX stabilizer (4) or truncated cone bluff body vortex generator (22) or V-type groove bluff body vortex generator (23) or arbitrary curve external form bluff body.
7, burner according to claim 1 is characterized in that: tornadotron (10) can adopt vertically diameter tube or employing expansion Taper Pipe or employing expansion loudspeaker curve pipe uniformly.
8, burner according to claim 1 is characterized in that: spout cyclone (7) also can be made of ring cylinder (13) and tangential slot (14).
9, burner according to claim 1 is characterized in that: fuel can spray into outflow in V-type groove (23) front portion, flows to bluff body vortex region (9) then and burn in spout whirlwind periphery.
10, burner according to claim 1 is characterized in that: the premix of fuel system oil gas can adopt pressed gas and fuel to spray into the mode of blending in the premix chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153381 CN1250909C (en) | 2002-11-29 | 2002-11-29 | Blunt-tornade combined cyclonic burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153381 CN1250909C (en) | 2002-11-29 | 2002-11-29 | Blunt-tornade combined cyclonic burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1417521A true CN1417521A (en) | 2003-05-14 |
| CN1250909C CN1250909C (en) | 2006-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153381 Expired - Fee Related CN1250909C (en) | 2002-11-29 | 2002-11-29 | Blunt-tornade combined cyclonic burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1250909C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279076A (en) * | 2014-09-23 | 2015-01-14 | 张朝刚 | Double-rotor cyclone waste heat utilizing device |
| CN104279075A (en) * | 2014-09-23 | 2015-01-14 | 张朝刚 | Single-rotating type cyclone waste heat utilizing device |
| CN104500266A (en) * | 2014-10-29 | 2015-04-08 | 张朝刚 | Centripetal gas inlet type waste heat utilization device |
| CN106090907A (en) * | 2016-06-12 | 2016-11-09 | 北京航空航天大学 | The strong swirl flame diffusion burner of a kind of premix |
| CN106979517A (en) * | 2017-04-19 | 2017-07-25 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner and its control method |
| CN107477865A (en) * | 2017-08-23 | 2017-12-15 | 湖南省农友机械集团有限公司 | A kind of hot-blast stove |
| CN114877371A (en) * | 2022-05-06 | 2022-08-09 | 南京航空航天大学 | Advanced combustion chamber with double stable flame mechanisms and combustion method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975402B (en) * | 2010-10-31 | 2012-08-29 | 湖北科伦药业有限公司 | Boiler combustion energy-saving and emission-reducing system |
-
2002
- 2002-11-29 CN CN 02153381 patent/CN1250909C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279076A (en) * | 2014-09-23 | 2015-01-14 | 张朝刚 | Double-rotor cyclone waste heat utilizing device |
| CN104279075A (en) * | 2014-09-23 | 2015-01-14 | 张朝刚 | Single-rotating type cyclone waste heat utilizing device |
| CN104279075B (en) * | 2014-09-23 | 2016-02-03 | 张朝刚 | A kind of single rotating whirlwind residual heat using device |
| CN104279076B (en) * | 2014-09-23 | 2016-02-03 | 张朝刚 | A kind of double-rotation type whirlwind residual heat using device |
| CN104500266A (en) * | 2014-10-29 | 2015-04-08 | 张朝刚 | Centripetal gas inlet type waste heat utilization device |
| CN106090907A (en) * | 2016-06-12 | 2016-11-09 | 北京航空航天大学 | The strong swirl flame diffusion burner of a kind of premix |
| CN106090907B (en) * | 2016-06-12 | 2018-07-27 | 北京航空航天大学 | A kind of strong swirl flame diffusion burner of premix |
| CN106979517A (en) * | 2017-04-19 | 2017-07-25 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner and its control method |
| CN107477865A (en) * | 2017-08-23 | 2017-12-15 | 湖南省农友机械集团有限公司 | A kind of hot-blast stove |
| CN114877371A (en) * | 2022-05-06 | 2022-08-09 | 南京航空航天大学 | Advanced combustion chamber with double stable flame mechanisms and combustion method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1250909C (en) | 2006-04-12 |
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