CN217382929U - Bridging micropore flat-plate burner - Google Patents
Bridging micropore flat-plate burner Download PDFInfo
- Publication number
- CN217382929U CN217382929U CN202220081950.1U CN202220081950U CN217382929U CN 217382929 U CN217382929 U CN 217382929U CN 202220081950 U CN202220081950 U CN 202220081950U CN 217382929 U CN217382929 U CN 217382929U
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- China
- Prior art keywords
- section
- gas
- combustion
- conical diffusion
- slit plate
- Prior art date
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- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 238000009792 diffusion process Methods 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 26
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Gas Burners (AREA)
Abstract
The utility model relates to a bridging micropore flat burner, including premixing fan, premixer, combustion head, ignition fire detection system, including new trend import, gas import and gas mixture export on the premixer, new trend access connection air cleaner, zero pressure valve is connected in the gas import, and gas mixture exit linkage mixes the fan import in advance, mixes fan exit linkage combustion head in advance. The combustion head comprises a shell, a fine slit plate and a metal fiber combustion panel, wherein the shell is divided into a straight cylinder section and a conical diffusion section which are connected, the fine slit plate and the metal fiber combustion panel are both in an outward-protruding arc-shaped plate structure and are sequentially arranged at an outlet of the conical diffusion section from inside to outside, a gas flow passage space is reserved between the fine slit plate and the conical diffusion section, and a plurality of output micropores are formed in the fine slit plate; the straight section of thick bamboo section extends out one section front end confined extension section to the toper diffuser segment, has seted up a plurality of spoiling holes on the extension section periphery wall, and the spoiling hole is rectangular poroid and is equipped with continuous sawtooth structure on the hole edge. The structure is small and compact, the mixing effect is good, and the combustion is sufficient.
Description
Technical Field
The utility model relates to a combustor technical field especially relates to a bridging micropore flat burner.
Background
The burner is a core combustion device widely applied to industrial kilns such as boilers, decomposing furnaces, heating furnaces, rotary kilns and the like. The original burners are mostly of cylindrical burner structures, the flame is concentrated and the combustion is insufficient, and the flame structures are scattered irregularly, the diameter is large, the length is long, the requirement on the size of a hearth of a boiler is high, and the size of the corresponding boiler is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome above-mentioned problem, and provide a bridging micropore plate burner, can reduce holistic length size, need not furnace, and gas mixing is more abundant, reaches the purpose of low nitrogen burning.
The technical scheme of the utility model is that:
bridging micropore flat burner, including premixing fan, premixer, combustion head, ignition fire detection system, including new trend import, gas import and gas mixture export on the premixer, be connected with air cleaner in the new trend import, be connected with zero on the gas import and press the valve, the gas mixture exit linkage mixes fan entrance point in advance, mixes fan exit end connection combustion head in advance, its characterized in that:
the combustion head comprises a shell, a slit plate and a metal fiber combustion panel, wherein the shell is divided into a straight cylinder section and a conical diffusion section which are connected along a gas conveying direction, the slit plate and the metal fiber combustion panel are both of outwards-protruding arc-shaped plate structures and are sequentially arranged at an outlet of the conical diffusion section from inside to outside, a gas flow passage space is reserved between the slit plate and the conical diffusion section, and the slit plate is provided with a plurality of output micropores aligned with the metal fiber combustion panel;
the straight section of thick bamboo section still extends one section front end confined extension section to the toper diffusion zone in, a plurality of vortex hole has been seted up on the extension section periphery wall, the vortex hole is rectangular poroid and is equipped with continuous sawtooth structure on its hole edge.
In the structure, fresh air enters the premixer through the air filter and the fresh air inlet, and gas enters the premixer through the zero-pressure valve and the gas inlet, is sucked into the premixing fan from the mixed gas outlet through the premixing fan, is fully mixed and then is fed into the combustion head; after getting into the combustion head, carry forward to the extension section by straight section of thick bamboo section straight line earlier, the sawtooth structure vortex pore pair mist of rethread extension section carries out the vortex and mixes, further improves the mixing homogeneity of air current, and secondly reentrant toper diffuser section carries out the large tracts of land diffusion, gets into airflow channel space through the output micropore of slit board, distributes and fully burns on metal fiber combustion panel surface.
In the bridging micropore flat plate burner, the turbulent flow holes are divided into a plurality of circles along the length direction of the extension section, and the turbulent flow holes in two adjacent circles are staggered. The staggered design can enable airflow flowing through different circles of turbulent flow holes to form interaction, and further enhances the turbulent flow mixing effect.
The utility model discloses in the bridging micropore flat plate burner, still include the installation frid that is located on the internal periphery of conical diffusion section export, the installation frid is extended outward and is had the first flange, the export of conical diffusion section is extended outward and is had the second flange, installation frid and conical diffusion section pass through first flange and second flange connection; the slit plate and the metal fiber combustion panel are fixedly arranged on the mounting flange plate, and the connecting structure is simple and easy to implement and convenient to manufacture, mount and maintain subsequently.
In the bridged microporous flat burner of the present invention, the straight tube section, the tapered diffusion section, and the extension section are integrally formed.
In the bridged microporous plate burner of the present invention, the extension segment length is smaller than the tapered diffusion segment length.
The utility model has the advantages that:
1. the structure is specially designed for matching with a boiler plant, changes the traditional design of a cylindrical combustion head, adopts a flat plate type design, does not need a hearth, ensures that the boiler can be more compact, reduces the material cost and improves the competitiveness; the back pressure of the hearth can be reduced, and various inconveniences of the high-back-pressure hearth in use are reduced; the volume of water can be reduced, the furnace below a certain tonnage is not required to be monitored, the safety is higher, and the method is suitable for a hot water or steam furnace close to a zero hearth.
2. The utility model discloses utilize the fan that mixes in advance to realize the preceding of gas and new trend in advance, design elongated straight section of thick bamboo section structure simultaneously on the first casing of burning, utilize the sawtooth structure vortex pore pair mixed gas of extension section to comb once more, the vortex is effectual, promotes the homogeneity of air current, the abundant diffusion effect of reunion toper diffuser section and the output micropore dispersion effect of slit plate guarantee that mixed gas can evenly fully burn on metal fiber burning panel, reduce NOx's formation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the burner head of the present invention.
Fig. 3 is a partial schematic view of the structure of the turbulent hole of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings:
referring to fig. 1-3, this embodiment a bridging micropore plate burner, including premixing fan 1, premixer 2, combustion head 3, ignition flame detecting system 4, including new trend import, gas import and gas mixture export on the premixer 2, be connected with air cleaner 5 in the new trend import, be connected with zero on the gas import and press valve 6, gas mixture exit linkage mixes fan 1 entrance point in advance, mixes fan 1 exit end connection combustion head 3 in advance.
The combustion head 3 includes casing 7, slit board 8, metal fiber combustion panel 9, casing 7 divide into straight section of thick bamboo section 7a and the toper diffuser 7b that is connected along gas conveying direction, slit board 8, metal fiber combustion panel 9 all are the arc platelike structure of evagination and install in proper order in the exit of toper diffuser 7b from inside to outside, and leave the gas flow path space between the two, be equipped with a plurality of output micropore of aiming at metal fiber combustion panel 9 on the slit board 8.
The straight section of thick bamboo section 7a still extends out one section front end confined extension section 7c to toper diffuser section 7b, a plurality of vortex hole 10 has been seted up on the extension section 7c periphery wall, vortex hole 10 is rectangular poroid and is equipped with continuous sawtooth structure on its hole edge. Specifically, the turbulent flow holes 10 are divided into a plurality of circles along the length direction of the extension section 7c, and the turbulent flow holes 10 in two adjacent circles are staggered. The straight cylinder section 7a, the conical diffusion section 7b and the extension section 7c are integrally formed, and the length of the extension section 7c is smaller than that of the conical diffusion section 7 b.
The embodiment further comprises a mounting flange plate 11 positioned on the inner periphery of the outlet of the conical diffusion section 7b, a first flange extends out of the mounting flange plate 11, a second flange extends out of the outlet of the conical diffusion section 7b, and the mounting flange plate 11 and the conical diffusion section 7b are connected through the first flange and the second flange; the slit plate 8 and the metal fiber combustion panel 9 are fixedly arranged on the mounting flange plate 11.
The utility model discloses a working process as follows:
1. the gas enters the premixer 2 through the zero-pressure valve 6 and the gas inlet, the fresh air enters the premixer 2 through the air filter 5 and the fresh air inlet, and the two are sucked by the premixing fan 1 and are uniformly mixed, and then are sent into the straight cylinder section 7a of the combustion head 3.
2. The mixed gas flows through the straight cylinder section 7a and the extension section 7c and then flows out of the turbulent flow hole 10 to enter the conical diffusion section 7b, and in the process, the mixed gas is subjected to the action of saw tooth shearing turbulent flow on the inner edge of the turbulent flow hole 10, so that the gas flow is secondarily mixed, and the mixing distribution is more uniform; the gas after the secondary mixing is diffused in the conical diffusion section 7b and is conveyed forwards to the slit plate 8, and reaches the metal fiber combustion panel 9 through the output micropores and the gas flow passage space, and is ignited by the ignition and fire detection system 4 to realize full combustion.
The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a bridging micropore flat burner, includes premixing fan, premixer, combustion head, ignition fire detection system, including new trend import, gas import and gas mixture export on the premixer, be connected with air cleaner on the new trend import, be connected with zero on the gas import and press the valve, the gas mixture exit linkage mixes fan entrance point in advance, mixes fan exit end connection combustion head, its characterized in that in advance:
the combustion head comprises a shell, a slit plate and a metal fiber combustion panel, wherein the shell is divided into a straight cylinder section and a conical diffusion section which are connected along a gas conveying direction, the slit plate and the metal fiber combustion panel are both of outwards-protruding arc-shaped plate structures and are sequentially arranged at an outlet of the conical diffusion section from inside to outside, a gas flow passage space is reserved between the slit plate and the conical diffusion section, and the slit plate is provided with a plurality of output micropores aligned with the metal fiber combustion panel;
the straight section of thick bamboo section still extends one section front end confined extension section to the toper diffusion zone in, a plurality of vortex hole has been seted up on the extension section periphery wall, the vortex hole is rectangular poroid and is equipped with continuous sawtooth structure on its hole edge.
2. The bridged microporous flat panel burner of claim 1, wherein: the flow disturbing holes are divided into a plurality of circles along the length direction of the extension section, and the flow disturbing holes in two adjacent circles are staggered.
3. The bridged microporous flat panel burner of claim 1, wherein: the mounting flange plate is positioned on the inner periphery of the outlet of the conical diffusion section, a first flange extends outwards from the mounting flange plate, a second flange extends outwards from the outlet of the conical diffusion section, and the mounting flange plate and the conical diffusion section are connected with the second flange through the first flange; the slit plate and the metal fiber combustion panel are fixedly arranged on the mounting flange plate.
4. The bridged microporous flat panel burner of claim 1, wherein: the straight cylinder section, the conical diffusion section and the extension section are integrally formed.
5. The bridged microporous flat panel burner of claim 1, wherein: the length of the extension section is less than the length of the conical diffusion section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220081950.1U CN217382929U (en) | 2022-01-13 | 2022-01-13 | Bridging micropore flat-plate burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220081950.1U CN217382929U (en) | 2022-01-13 | 2022-01-13 | Bridging micropore flat-plate burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217382929U true CN217382929U (en) | 2022-09-06 |
Family
ID=83096014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220081950.1U Expired - Fee Related CN217382929U (en) | 2022-01-13 | 2022-01-13 | Bridging micropore flat-plate burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217382929U (en) |
-
2022
- 2022-01-13 CN CN202220081950.1U patent/CN217382929U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |