CN219199162U - Full-premix type low-power burner suitable for pure oxygen combustion - Google Patents
Full-premix type low-power burner suitable for pure oxygen combustion Download PDFInfo
- Publication number
- CN219199162U CN219199162U CN202223107298.5U CN202223107298U CN219199162U CN 219199162 U CN219199162 U CN 219199162U CN 202223107298 U CN202223107298 U CN 202223107298U CN 219199162 U CN219199162 U CN 219199162U
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- Prior art keywords
- water
- nozzle
- cooling
- cooling water
- air inlet
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 18
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000000498 cooling water Substances 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 230000000740 bleeding effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 4
- 238000004227 thermal cracking Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 7
- 238000004880 explosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model discloses a full-premixing type low-power combustor suitable for pure oxygen combustion, which relates to the technical field of combustors and comprises a nozzle and a combustor body which are communicated, wherein an anti-backfire plate is arranged at the joint of the nozzle and the combustor body; a bleeding valve interface for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe, which is close to the nozzle; the outer side of the burner body and the outer side of the nozzle are respectively provided with a first cooling water jacket and a second cooling water jacket, and a second cooling water inlet and a second cooling water outlet are respectively formed in the first cooling water jacket and the second cooling water jacket; the burner body is effectively prevented from thermal deformation or thermal cracking, and the service life of the nozzle is prolonged.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a full-premixing type low-power combustor suitable for pure oxygen combustion.
Background
The full premixing technology is to completely mix fuel and air or oxygen before entering a nozzle of a combustion chamber, and the mixing ratio of the fuel gas and the air is ensured by an intelligent premixing adjusting valve system. Then the gas and air are simultaneously and completely stirred through the mixer and the mixing pipe, so that oxygen molecules are surrounded around each gas molecule, and the gas is completely combusted, and incomplete combustion products are not generated. Full premix formula burning advantage: the combustion is complete, almost no CO and NOx gases are generated, and more than 95% of the CO in the product is 2 ，CO 2 Can be stored and reused, accords with the carbon neutralization concept, and realizes energy conservation and emission reduction.
In the actual operation process, the burner and the nozzle are always kept in a very high-temperature state, the burner is easy to generate thermal deformation or thermal cracking after long-term use, the service time of the nozzle is shortened, if the internal pressure of the burner is overlarge, explosion is easy to occur due to overlarge pressure, and certain potential safety hazard exists.
Disclosure of Invention
In order to solve the problems, the utility model provides a full premix type low-power burner suitable for pure oxygen combustion, which comprises a nozzle and a burner body which are communicated, wherein an anti-backfire plate is arranged at the joint of the nozzle and the burner body, a water-cooling air inlet pipe is arranged at the outer side of the burner body, the water-cooling air inlet pipe is of an inner-outer double-layer structure, circulating water is supplied between two pipes of the inner-outer double-layer structure, a water-cooling main pipe is arranged at one side of the water-cooling air inlet pipe, a first cooling water inlet is formed in the water-cooling main pipe, and a first cooling water outlet is formed at one end of the water-cooling air inlet pipe; a bleeding valve interface for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe, which is close to the nozzle; the outer side of the burner body and the outer side of the nozzle are respectively provided with a first cooling water jacket and a second cooling water jacket, and a second cooling water inlet and a second cooling water outlet are respectively formed in the first cooling water jacket and the second cooling water jacket.
Furthermore, the nozzle, the water-cooling air inlet pipe and the cooling water jacket II are connected through a mounting flange.
Furthermore, an inclined small hole is formed in the mounting flange, and an igniter and a fire detection device are mounted through the inclined small hole.
Further, one end of the water-cooling air inlet pipe, which is far away from the nozzle, is fixed with a hollow observation pipe, the outer side surface of the observation pipe is provided with external threads, and one end of the observation pipe is in threaded connection with a sight glass.
Further, the inclination angle between the water-cooling air inlet pipe and the water-cooling main pipe is 100 degrees.
Further, the nozzle is a venturi and the nozzle is funnel-shaped.
The utility model has the following beneficial effects: the tempering prevention plate prevents tempering, and the cooling water jacket I and the cooling water jacket II continuously cool the burner body and the nozzle, so that the burner body is effectively prevented from generating thermal deformation or thermal cracking, and the service life of the nozzle is prolonged; if the internal pressure of the burner body is overlarge, the relief valve is broken, overflow is realized, and explosion caused by overlarge pressure is prevented.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
fig. 2 is a schematic side view of the present utility model.
The reference numerals are explained as follows: 1. a nozzle; 2. a cooling water jacket II; 3. an anti-backfire plate; 4. a water-cooling air inlet pipe; 5. a cooling water jacket I; 6. a first cooling water inlet; 7. a viewing mirror; 8. a first cooling water outlet; 9. a bleed valve interface; 10. a mounting flange; 11. a cooling water inlet II; 12. a second cooling water outlet; 13. an igniter; 14. a fire detection device; 15. a burner body; 16. and (5) water-cooling the main pipe.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the full premix type low power burner suitable for pure oxygen combustion comprises a nozzle 1 and a burner body 15 which are communicated, wherein the nozzle 1 is a venturi tube, the nozzle 1 is in a funnel shape, an anti-backfire plate 3 is arranged at the joint of the nozzle 1 and the burner body 15 to prevent backfire, a water cooling air inlet pipe 4 is arranged at the outer side of the burner body 15, the water cooling air inlet pipe 4 is in an inner and outer double-layer structure, circulating water is supplied between the two pipes of the inner and outer double-layer structure, a water cooling main pipe 16 is arranged at one side of the water cooling air inlet pipe 4, the inclination angle between the water cooling air inlet pipe 4 and the water cooling main pipe 16 is 100 degrees, a first cooling water inlet 6 is formed in the water cooling main pipe 16, and a first cooling water outlet 8 is formed at one end of the water cooling air inlet pipe 4; a bleeding valve interface 9 for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe 4 close to the nozzle 1, and a bleeding valve is arranged on one side of the bleeding valve interface 9; the outer side of the burner body 15 and the outer side of the nozzle 1 are respectively provided with a first cooling water jacket 5 and a second cooling water jacket 2, and the first cooling water jacket 5 and the second cooling water jacket 2 are respectively provided with a second cooling water inlet 11 and a second cooling water outlet 12; one end of the water-cooling air inlet pipe 4, which is far away from the nozzle 1, is fixed with a hollow observation pipe, the outer side surface of the observation pipe is provided with external threads, and one end of the observation pipe is in threaded connection with a sight glass 7.
The first cooling water jacket 5 and the second cooling water jacket 2 continuously cool the burner body 15 and the nozzle 1, so that the burner body 15 is effectively prevented from thermal deformation or thermal cracking, and the service life of the nozzle 1 is prolonged; if the pressure in the burner body 15 is too high, the relief valve is broken, overflow is realized, and explosion caused by the too high pressure is prevented.
In the embodiment, a nozzle 1, a water-cooling air inlet pipe 4 and a cooling water jacket II 2 are connected through a mounting flange 10, an inclined small hole is formed in the mounting flange 10, and an igniter 13 and a fire detection device 14 are arranged through the inclined small hole; the fire detection device 14 and the relief valve ensure the operation safety of the burner, and if the flame is extinguished, the fire detection device 14 transmits a signal to the combustion controller so that the gas supply is interrupted.
The working principle of the utility model is as follows:
in the using process, a cooling water valve is opened before the burner is used, the burner body 15 maintains a constant temperature, so that thermal shock damage is prevented in the burning process, the first cooling water jacket 5 and the second cooling water jacket 2 continuously cool the burner, the burner is prevented from generating thermal deformation or thermal cracking, and the using time of the nozzle 1 is prolonged; the fuel gas and the air are mixed in a precise proportion in an external pipeline of the burner and then enter the burner body 15, the mixed gas enters the nozzle 1 through the water-cooling air inlet pipe 4 and is ignited by the automatic igniter 13, the flame burns, and the fire detection device 14 detects the burning condition; an operator can observe the combustion condition in the hearth through the sight glass 7.
In the use process, the fire detection device 14 and the bleeding valve ensure the operation safety of the burner, and if the flame is extinguished, the ion fire detection transmits a signal to the combustion controller so that the gas supply is interrupted; if the pressure in the combustor is too high, the relief valve is broken, overflow is realized, and explosion caused by the too high pressure is prevented.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. Be suitable for pure oxygen combustion full premix formula low-power combustor, including nozzle (1) and combustor body (15) that are linked together, its characterized in that: the water-cooling type burner is characterized in that an anti-backfire plate (3) is arranged at the joint of the nozzle (1) and the burner body (15), a water-cooling air inlet pipe (4) is arranged at the outer side of the burner body (15), the water-cooling air inlet pipe (4) is of an inner-outer double-layer structure, circulating water is supplied between the two inner-outer double-layer pipes, a water-cooling main pipe (16) is arranged at one side of the water-cooling air inlet pipe (4), a first cooling water inlet (6) is formed in the water-cooling main pipe (16), and a first cooling water outlet (8) is formed in one end of the water-cooling air inlet pipe (4); a bleeding valve interface (9) for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe (4) close to the nozzle (1); the outside of the burner body (15) and the outside of the nozzle (1) are respectively provided with a first cooling water jacket (5) and a second cooling water jacket (2), and the first cooling water jacket (5) and the second cooling water jacket (2) are respectively provided with a second cooling water inlet (11) and a second cooling water outlet (12).
2. The full premix low power burner suitable for pure oxygen combustion of claim 1, wherein: the nozzle (1), the water-cooling air inlet pipe (4) and the cooling water jacket II (2) are connected through a mounting flange (10).
3. The full premix low power burner suitable for pure oxygen combustion of claim 2, wherein: the mounting flange (10) is provided with an inclined small hole, and an igniter (13) and a fire detection device (14) are mounted through the inclined small hole.
4. The full premix low power burner suitable for pure oxygen combustion of claim 1, wherein: one end of the water-cooling air inlet pipe (4) far away from the nozzle (1) is fixedly provided with a hollow observation pipe, the outer side surface of the observation pipe is provided with external threads, and one end of the observation pipe is in threaded connection with a sight glass (7).
5. The full premix low power burner suitable for pure oxygen combustion of claim 1, wherein: the inclination angle between the water-cooling air inlet pipe (4) and the water-cooling main pipe (16) is 100 degrees.
6. The full premix low power burner suitable for pure oxygen combustion of claim 1, wherein: the nozzle (1) is a venturi tube, and the nozzle (1) is funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107298.5U CN219199162U (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power burner suitable for pure oxygen combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107298.5U CN219199162U (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power burner suitable for pure oxygen combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219199162U true CN219199162U (en) | 2023-06-16 |
Family
ID=86702896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223107298.5U Active CN219199162U (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power burner suitable for pure oxygen combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219199162U (en) |
-
2022
- 2022-11-22 CN CN202223107298.5U patent/CN219199162U/en active Active
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