CN215411859U - A kind of burner - Google Patents
A kind of burner Download PDFInfo
- Publication number
- CN215411859U CN215411859U CN202121389997.6U CN202121389997U CN215411859U CN 215411859 U CN215411859 U CN 215411859U CN 202121389997 U CN202121389997 U CN 202121389997U CN 215411859 U CN215411859 U CN 215411859U
- Authority
- CN
- China
- Prior art keywords
- combustion
- secondary air
- burner
- cylinder
- inner cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 66
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 230000001502 supplementing effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Gas Burners (AREA)
Abstract
The utility model discloses a burner, which comprises a burner body and a burner outer barrel, wherein the burner body is provided with a plurality of holes; the nesting of the secondary oxygen supplementing air cylinder and the combustion inner cylinder is utilized, the adjusting cover is adjusted to drive the aperture covering the splitter box, so that the air intake on two paths is adjusted and distributed, the flame oxygen supply and air flow rate of the combustion inner cylinder are adjusted, the flame temperature change of the inner cylinder is achieved, the inner cylinder forms an adjustable high-temperature bin, the temperature of the high-temperature bin reaches 1200 ℃, when the sprayed fuel flame passes through the combustion inner cylinder, substances which cannot be fully combusted are combusted in the high-temperature bin again, and the air flow rate of the inner fire cylinder is adjusted; in addition, the secondary oxygen supplementing wind barrel supplies oxygen for the flame secondary at the fire nozzle of the combustion barrel, so that the fuel is combusted more fully. The burner of the utility model can adapt to fuels with different types and heat values by adjusting the air volume of the inner cylinder and the outer cylinder. The length and width of flame can be changed by adjusting the air quantity and the air speed, so that the burner disclosed by the utility model is suitable for different types of boilers and equipment.
Description
Technical Field
The utility model relates to the technical field of combustion, in particular to a combustor.
Background
In the conventional burner, fuel cannot be sufficiently combusted, so that energy waste is caused, and pollutants are easily generated; in addition, the shape of the flame is inconvenient to adjust, so that the application range of the burner is narrow and the application is limited; in addition, conventional burners do not adequately burn fuel, making the plant emissions less clean and efficient, and less capable of achieving low nitrogen ultra clean emissions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a burner, which solves the problems of insufficient combustion and inconvenient adjustment of combustion flame of the conventional burner.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the present invention provides a burner comprising:
the burner comprises a burner body, a flame detector, a fire detection needle and a high-pressure igniter, wherein the burner body comprises a sealed shell, a blower for providing air for the sealed shell, and the fuel spray pipe, the flame detector, the fire detection needle and the high-pressure igniter which are arranged in the sealed shell;
the combustor outer cylinder comprises a secondary air supply cylinder, a combustion inner cylinder arranged in the secondary air supply cylinder, an air guide pipe inserted in the combustion inner cylinder and used for adjusting air distribution and an adjusting cover; the secondary air supplementing cylinder is of a cylindrical structure with a cavity, the cavity is a secondary air channel, and a secondary air inlet and a secondary air outlet which are communicated with the interior of the secondary air channel are respectively formed in two end parts of the inner wall of the secondary air supplementing cylinder;
the combustion inner cylinder is coaxially arranged inside the secondary air supplementing cylinder, and a bottom cover is arranged on the combustion inner cylinder and close to one port of the secondary air outlet; the inner part of the combustion inner barrel is a combustion cavity, and the outer wall of the combustion inner barrel and the bottom cover are respectively provided with a flame diffusion hole communicated with the inner part of the combustion cavity;
one end of the air guide pipe is hermetically inserted in the combustion chamber, a diversion trench which can be communicated with the secondary air inlet is formed in the side wall of the other end of the air guide pipe, an adjusting cover is fittingly sleeved at one end, close to the diversion trench, of the air guide pipe, and the opening degree of the adjusting cover and the diversion trench in a staggered mode is adjusted through external force traction.
In this embodiment, it is further optimized that the fuel nozzle, the flame detector, the fire detection needle, and the high-pressure igniter are inserted into the air guide pipe through the mounting bracket.
In this embodiment, it is further optimized that the length of the combustion inner cylinder is shorter than that of the secondary air supply cylinder, so as to facilitate the realization of secondary air supply to the combustor.
In this embodiment, it is further optimized that the secondary air supply duct is an "L" shaped structure, and the combustion inner cylinder is connected and fixed to a corner of the secondary air supply duct.
In this embodiment, it is further optimized that the combustion inner cylinder is installed in the secondary air supply cylinder through a support rib plate.
In this embodiment, it is still further optimized that the sealed housing is in sealed communication with the secondary air supply cylinder through a flange pipe.
In this embodiment, it is further optimized that the outer diameter of the air guide pipe is smaller than the inner diameter of the combustion chamber, one end of the air guide pipe is inserted into the sealing housing, and the other end of the air guide pipe is in sealed communication with the combustion chamber through the sealing disk.
Compared with the prior art, the utility model has the beneficial technical effects that: the outer cylinder of the burner in the application is used for providing a place for the secondary combustion of the fuel by passive gasification flame; thereby adjusting the oxygen supply amount and the air flow rate of the flame of the combustion inner cylinder so as to achieve the temperature change of the flame of the inner cylinder, enabling the inner cylinder to form an adjustable high-temperature bin, enabling the temperature to reach more than 1200 ℃, enabling substances which cannot be fully combusted to be combusted again in the high-temperature bin when the injected fuel flame passes through the combustion inner cylinder, and adjusting the air flow rate of the inner fire cylinder so as to adjust the shape of the flame; in addition, the secondary oxygen supplementing wind barrel supplies oxygen for the flame secondary at the fire nozzle of the combustion barrel, so that the fuel is combusted more fully. The combustor can adapt to fuels with different types and heat values by adjusting the air quantity of the inner barrel and the outer barrel, the length and the width of flame can be changed to adapt to boilers and equipment with different types, and the full combustion of the combustor enables the equipment emission to be cleaner and energy-saving, so that the low-nitrogen ultra-clean emission is achieved.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of a combustion can in the combustor of the present invention;
FIG. 2 is a schematic disassembled view of a combustion can in the combustor of the present invention.
Description of reference numerals:
1. a secondary air supplement cylinder; 1a, a secondary air inlet; 1b, a secondary air duct; 1c, a secondary air outlet;
2. a combustion inner barrel; 2a, a combustion chamber; 2b, flame diffusion holes;
3. an air guide pipe; 3a, a splitter box; 3b, sealing the disc;
4. and adjusting the cover.
Detailed Description
As shown in fig. 1-2, the present embodiment discloses a burner, comprising a burner body and a burner outer cylinder; wherein the burner body is used for providing fuel, igniting, detecting fire and providing air required by combustion; the outer burner barrel acts on a place for providing fuel combustion;
the utility model in the application lies in a burner outer barrel, in the embodiment, the burner body is not explained, wherein the specific burner body can be referred to as CN202010565967. X; but is not limited to this type of burner.
In this embodiment, as shown in fig. 1, the outer burner cylinder includes a secondary air supply cylinder 1, a combustion inner cylinder 2 installed inside the secondary air supply cylinder 1, an air guide pipe 3 inserted into the combustion inner cylinder 2 for adjusting air split, and an adjusting cover 4;
the secondary air supply cylinder 1 is of a cylindrical structure with a cavity, the cavity is a secondary air duct 1b, and a secondary air inlet 1a and a secondary air outlet 1c which are communicated with the interior of the secondary air duct 1b are respectively formed in two end parts of the inner wall of the secondary air supply cylinder 1; the secondary air supply device is used for supplying air for fuel combustion, so that secondary air enters from a secondary air inlet 1a, flows through the secondary air channel 1b and is finally sent out through a secondary air outlet 1c, secondary supplementary air is supplied for combustion flame, and the shape of the flame can be adjusted;
as shown in fig. 2, the combustion inner cylinder 2 is coaxially installed inside the secondary air supply cylinder 1, and a bottom cover is fixedly installed on the combustion inner cylinder 2 and near one end of the secondary air outlet 1 c; the combustion inner barrel 2 is internally provided with a combustion chamber 2a, the outer wall and the bottom cover of the combustion inner barrel 2 are respectively provided with flame diffusion holes 2b communicated with the interior of the combustion chamber 2a, wherein the diffusion holes 2b are densely distributed at intervals, and the flame diffusion holes 2b are used for facilitating the ejection of flame and fully combusting fuel;
in this embodiment, as shown in fig. 2, one end of the air guide tube 3 is hermetically inserted into the combustion chamber 2a, a diversion trench 3a capable of communicating with the secondary air inlet 1a is formed in a side wall of the other end of the air guide tube 3, an adjusting cover 4 is fittingly sleeved on one end of the air guide tube 3 close to the diversion trench 3a, and the opening degree of the adjusting cover 4 and the diversion trench 3a in a staggered manner is adjusted by pulling an external force, in this embodiment, the air output of the fan is constant, wherein the air flows in two directions, one is entering the combustion chamber 2a along the axial direction of the air guide tube 3, and the other is entering the secondary air inlet 1a through the diversion trench 3a in the radial direction of the air guide tube 3; in this embodiment, the aperture of the splitter box 3a is covered by driving the adjusting cover 4, so as to adjust the air intake on the two paths of the distribution layer, thereby adjusting the flame shape and the combustion heat value of the fuel, wherein the adjusting cover 4 adjusts the opening amount of the splitter box 3a by a screw or a traction rope, wherein the air volume of the inner cylinder and the outer cylinder can be adjusted to adapt to fuels with different heat values, the length and the width of the flame can be changed to adapt to different types of boiler equipment, and the sufficient combustion of the burner enables the equipment emission to be cleaner and achieve low-nitrogen ultra-clean emission.
In this embodiment, the fuel nozzle, the flame detector, the fire probe and the high-pressure igniter are inserted into the air guide pipe 3 through the mounting frame; the length of the combustion inner cylinder 2 is shorter than that of the secondary air supplement cylinder 1, so that secondary air supplement is conveniently carried out on the flame of the combustion inner cylinder 2 by utilizing a secondary air outlet 1c at the tail part of the secondary air supplement cylinder 1; the sealing shell is in sealing communication with the secondary air supply cylinder 1 through a flange pipe; the outer diameter of the air guide pipe 3 is smaller than the inner diameter of the combustion cavity 2a, one end of the air guide pipe 3 is inserted in the sealing shell, and the other end of the air guide pipe is communicated with the combustion cavity 2a in a sealing mode through a sealing disc 3 b.
In this embodiment, as shown in fig. 1 and 2, the secondary air supply duct 1 is an "L" shaped structure, and the combustion inner cylinder 2 is connected and fixed to a corner of the secondary air supply duct 1.
In this embodiment, the combustion inner tube 2 may be installed in the secondary air supply tube 1 through a support rib, so that the flow of the flow.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A burner, comprising:
the burner comprises a burner body, a flame detector, a fire detection needle and a high-pressure igniter, wherein the burner body comprises a sealed shell, a blower for providing air for the sealed shell, and the fuel spray pipe, the flame detector, the fire detection needle and the high-pressure igniter which are arranged in the sealed shell;
the combustor outer cylinder comprises a secondary air supply cylinder, a combustion inner cylinder arranged in the secondary air supply cylinder, an air guide pipe inserted in the combustion inner cylinder and used for adjusting air distribution and an adjusting cover; the secondary air supplementing cylinder is of a cylindrical structure with a cavity, the cavity is a secondary air channel, and a secondary air inlet and a secondary air outlet which are communicated with the interior of the secondary air channel are respectively formed in two end parts of the inner wall of the secondary air supplementing cylinder;
the combustion inner cylinder is coaxially arranged inside the secondary air supplementing cylinder, and a bottom cover is arranged on the combustion inner cylinder and close to one port of the secondary air outlet; the inner part of the combustion inner barrel is a combustion cavity, and the outer wall of the combustion inner barrel and the bottom cover are respectively provided with a flame diffusion hole communicated with the inner part of the combustion cavity;
one end of the air guide pipe is hermetically inserted in the combustion chamber, a diversion trench which can be communicated with the secondary air inlet is formed in the side wall of the other end of the air guide pipe, an adjusting cover is fittingly sleeved at one end, close to the diversion trench, of the air guide pipe, and the opening degree of the adjusting cover and the diversion trench in a staggered mode is adjusted through external force traction.
2. The burner of claim 1, wherein: the fuel spray pipe, the flame detector, the fire detection needle and the high-pressure igniter are inserted into the air guide pipe through the mounting frame.
3. The burner of claim 1, wherein: the length of the combustion inner barrel is shorter than that of the secondary air supplement barrel.
4. The burner of claim 3, wherein: the secondary air supplementing cylinder is of an L-shaped structure, and the combustion inner cylinder is fixedly connected with the corner of the secondary air supplementing cylinder.
5. The burner of claim 3, wherein: the combustion inner barrel is arranged in the secondary air supply barrel through a support rib plate.
6. The burner of claim 1, wherein: the sealing shell is communicated with the secondary air supplementing cylinder in a sealing mode through a flange pipe.
7. The burner of claim 1, wherein: the outer diameter of the air guide pipe is smaller than the inner diameter of the combustion cavity, one end of the air guide pipe is inserted in the sealing shell, and the other end of the air guide pipe is communicated with the combustion cavity in a sealing mode through a sealing disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389997.6U CN215411859U (en) | 2021-06-22 | 2021-06-22 | A kind of burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389997.6U CN215411859U (en) | 2021-06-22 | 2021-06-22 | A kind of burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215411859U true CN215411859U (en) | 2022-01-04 |
Family
ID=79641205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121389997.6U Expired - Fee Related CN215411859U (en) | 2021-06-22 | 2021-06-22 | A kind of burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215411859U (en) |
-
2021
- 2021-06-22 CN CN202121389997.6U patent/CN215411859U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |