CN210319999U - Secondary air distribution burner - Google Patents
Secondary air distribution burner Download PDFInfo
- Publication number
- CN210319999U CN210319999U CN201921227708.5U CN201921227708U CN210319999U CN 210319999 U CN210319999 U CN 210319999U CN 201921227708 U CN201921227708 U CN 201921227708U CN 210319999 U CN210319999 U CN 210319999U
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- Prior art keywords
- air distribution
- ring
- air
- inclined plate
- duct
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- 238000002485 combustion reaction Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004200 deflagration Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000002309 gasification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000004449 solid propellant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a secondary air distribution burner, belonging to the heating stove technical field, comprising an air distribution ring matched with a secondary air distribution port and an air distribution duct arranged in the air distribution ring; the air distribution ring is of a frustum structure, and the small-caliber end is positioned below the large-caliber end; two ends of the air distribution duct are respectively positioned on the side wall of the air distribution ring, and the side wall of the air distribution ring is provided with an air inlet communicated with the air distribution duct; the lateral wall of air distribution ring and the lateral wall of air distribution duct are all equipped with the air distribution hole. The utility model provides a secondary air distribution combustor, the frustum that the air distribution circle was established for inversion, the combustible gas that the fuel formed in furnace collects at the end opening of air distribution circle earlier, the velocity of flow increases, get into the air distribution circle from the end opening after, the velocity of flow slows down, the intraoral air of secondary air distribution gets into the air distribution circle through the air distribution hole and mixes with the high temperature combustible gas that the velocity of flow slows down, form deflagration, the combustible gas velocity of flow slows down, the burning is comparatively abundant, the flame that the burning formed is lower, the outer flame contact water-cooling wall of flame, it is more abundant to the heating of water jacket.
Description
Technical Field
The utility model belongs to the technical field of the heating stove, more specifically say, relate to a secondary air distribution combustor.
Background
The solid fuel gasification combustion technology is a new technology in recent years, and combustible gas is separated out from solid fuel through gasification reaction (heating to 150-400 ℃) in a combustion furnace, and then the combustible gas is fully combusted.
During use, the gasification stove has the following advantages: 1. firstly, heating solid fuel to separate out high-temperature combustible gas, and reducing smoke emission to a certain extent; 2. the combustible gas has fast burning rate, high flame temperature and high heat efficiency. However, the gasification combustion of the gasification stove needs to be carried out by secondary air distribution and oxygen supply at the stove mouth, the gasification stove in the prior art is provided with secondary air distribution burners at the stove mouth, the stove mouth is provided with a secondary air distribution mouth communicated with the outside, and outside air enters the secondary air distribution burners through the secondary air distribution mouth to supply oxygen to high-temperature combustible gas passing through the stove mouth. However, in the prior art, the secondary air distribution burner is a straight-wall cylinder, or in order to improve the residence time of combustible gas in the secondary air distribution burner, the secondary air distribution burner is arranged to be conical, and the combustible gas is gathered in the secondary air distribution burner no matter the secondary air distribution burner is arranged to be straight-wall cylinder or conical, the flow rate is increased when the combustible gas is gathered, and the high-temperature combustible gas injected at high speed is mixed with oxygen and then combusted to form flame.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a secondary air distribution combustor to solve the gasifier burning that exists among the prior art insufficient, to the insufficient technical problem of water-cooling wall heating.
In order to achieve the above object, the utility model adopts the following technical scheme: a secondary air distribution burner comprises an air distribution ring matched with a secondary air distribution port of a combustion furnace and an air distribution air channel arranged in the air distribution ring; the air distribution ring is of a frustum structure, and the small-caliber end of the air distribution ring is positioned below the large-caliber end; two ends of the air distribution duct are respectively positioned on the side wall of the air distribution ring, and an air inlet communicated with the air distribution duct is arranged at the position, corresponding to the air distribution duct, of the side wall of the air distribution ring; and air distribution holes are formed in the side wall of the air distribution ring and the side wall of the air distribution air duct.
Further, the air distribution ring is of an inverted rectangular pyramid structure; a bottom plate, a first inclined plate and a second inclined plate which are sequentially connected end to end are arranged in the air distribution ring, and the bottom plate, the first inclined plate and the second inclined plate surround the air distribution duct; the bottom plate is horizontally arranged, and the first inclined plate and the second inclined plate are respectively provided with the air distribution holes.
Furthermore, a plurality of groups of air distribution air ducts formed by surrounding the bottom plate, the first inclined plate and the second inclined plate are arranged in the air distribution ring in parallel at intervals; and air inlets which are in one-to-one correspondence with the air distribution air channels are arranged on the upper sea of the side wall of the air distribution ring.
Furthermore, two ends of the bottom plate are respectively and tightly connected with the side wall of the air distribution ring.
Further, the air distribution ring is designed into an inverted cone; the middle part of the air distribution duct is provided with a conical air chamber which is concentric with the air distribution ring and is communicated with the air distribution duct, and the side wall of the conical air chamber is provided with an air distribution hole.
Furthermore, a bottom plate, a first inclined plate and a second inclined plate which are sequentially connected end to end are arranged in the air distribution ring, and the bottom plate, the first inclined plate and the second inclined plate enclose the air distribution duct; the bottom plate is horizontally arranged, and the first inclined plate and the second inclined plate are both provided with the air distribution holes; a frustum with a cavity is arranged in the middle of the air distribution duct; the cavity is the conical plenum.
Furthermore, the frustum is provided with a taper hole which is through along the axial direction, the small-caliber end of the taper hole is positioned below the large-caliber end of the taper hole, and the side wall of the taper hole is provided with the air distribution hole.
Furthermore, two ends of the bottom plate are respectively and tightly connected with the side wall of the air distribution ring.
The utility model provides a secondary air distribution burner's beneficial effect lies in: compared with the prior art, the utility model discloses secondary air distribution combustor, air distribution ring set up in secondary air distribution ring department, as the fire door, and the inside of air distribution ring sets up the air distribution wind channel, and the air intake and the secondary air distribution port intercommunication that the air distribution ring was seted up are passed through at the both ends in air distribution wind channel. The air distribution ring is arranged as an inverted frustum, after high-temperature combustible gas is formed in a hearth of the combustion furnace by fuel, the combustible gas is firstly collected at the lower port of the air distribution ring, the flow rate is increased in the collecting process, the combustible gas enters the air distribution ring from the lower port, the flow rate is slowed down, the air distribution ring and the side wall of the air distribution air channel are respectively provided with an air distribution hole, the air in the secondary air distribution hole enters the air distribution ring through the air distribution holes and is mixed with the high-temperature combustible gas with the slowed flow rate, deflagration is formed, the flow rate of the combustible gas is slowed down, the combustion of the combustible gas is sufficient, and the flame formed by combustion is low, the outer flame of the flame contacts with a water-cooling wall, and.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a secondary air distribution combustor according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a secondary air distribution burner according to an embodiment of the present invention
Fig. 3 is a schematic structural diagram of a secondary air distribution combustor according to a second embodiment of the present invention;
fig. 4 is a schematic top view of a secondary air distribution burner according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a secondary air distribution burner according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a secondary air distribution burner according to a fourth embodiment of the present invention;
wherein, in the figures, the respective reference numerals:
1. a wind distribution ring; 11. air distribution holes; 12. an air inlet; 2. a wind distribution wind ring; 3. a conical air chamber; 31. and (4) taper holes.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Now the utility model provides a secondary air distribution combustor explains.
Referring to fig. 1 and fig. 2 together, the secondary air distribution burner includes an air distribution ring 1 and an air distribution duct 2 disposed in the air distribution ring 1, the air distribution ring 1 is disposed at the secondary air distribution port of the combustion furnace and is matched with the secondary air distribution port, i.e. the air distribution ring 1 can be just clamped in the secondary air distribution port, the side wall of the air distribution ring 1 is provided with an air distribution hole 11, air sequentially passes through the secondary air distribution port and the air distribution hole 11 to enter the inside of the air distribution ring 1, the air distribution ring 1 is configured as an inverted frustum, i.e. the small-caliber end of the frustum is located below the large-caliber end, the air distribution duct 2 is disposed inside the air distribution ring 1, the air distribution ring 1 is provided with an air inlet 12 corresponding to the end of the air distribution duct 2, the side wall of the air distribution duct 2 is also provided with the air distribution hole 11, the solid fuel in the furnace of the combustion furnace volatilizes high-temperature combustible gas, the combustible gas firstly passes through the lower port of the, the combustible gas is rapidly expanded and fully contacts with oxygen in the air entering the air distribution ring 1 through the air distribution holes 11 while expanding, so that deflagration is formed, and the combustible gas can be fully combusted.
The utility model provides a secondary air distribution burner compares with prior art, and air distribution ring 1 sets up in secondary air distribution port department, as the fire door, and air distribution ring 1's inside sets up air distribution duct 2, and air intake 12 and secondary air distribution port intercommunication that air distribution duct 2's both ends were seted up through air distribution ring 1. Join in marriage the frustum that wind circle 1 set up to the inversion, fuel forms the combustible gas of high temperature in the furnace of burning furnace after, combustible gas collects at the end opening of joining in marriage wind circle 1 earlier, collect the in-process velocity of flow increase, combustible gas gets into from the end opening and joins in marriage wind circle 1 after, the velocity of flow slows down, the lateral wall in distribution circle 1 and distribution wind channel 2 all is equipped with air distribution hole 11, the intraoral air of secondary air distribution gets into in the distribution circle 1 through air distribution hole 11 and mixes with the high temperature combustible gas that the velocity of flow slows down, form the detonation, because the combustible gas velocity of flow slows down, its burning is comparatively abundant, and the flame that the burning formed is lower, the outer flame contact water-cooling wall of flame, it is more abundant to the heating of water jacket.
Please refer to fig. 1 and fig. 2 together, as the utility model provides a secondary air distribution burner's a specific implementation way, to the secondary air distribution mouth of different shapes, install the air distribution circle 1 of different shapes, in this embodiment, air distribution circle 1 is established to the rectangular pyramid structure of invering, the square secondary air distribution mouth of adaptation, air distribution wind channel 2 level sets up in air distribution circle 1, and air distribution wind channel 2's cross section is established to triangle-shaped, air distribution wind channel 2 is the triangular prism of horizontal setting, bottom plate including end to end in proper order, first swash plate and second swash plate, the bottom plate level sets up, all be equipped with air distribution hole 11 on first swash plate and the second swash plate. The combustion chamber defined by the first inclined plate, the second inclined plate and the side wall of the air distribution ring 1 is an inverted rectangular pyramid, the side wall of the combustion chamber is provided with air distribution holes 11, and high-temperature combustible gas deflagrates in the combustion chamber.
Preferably, please refer to fig. 3 and fig. 4 together, a plurality of air distribution channels 2 respectively surrounded by a bottom plate, a first inclined plate and a second inclined plate are arranged in parallel at intervals in the air distribution ring 1, in this embodiment, three air distribution channels 2 are arranged, the three air distribution channels 2 are all triangular pyramids arranged in parallel, combustion chambers of inverted quadrangular pyramids are enclosed between the air distribution channels 2 at two sides and the air distribution ring 1 and between two adjacent air distribution channels 2, air inlets 12 corresponding to each air distribution channel are arranged on the side walls of the air distribution ring, high-temperature combustible gas enters each individual combustion chamber respectively to form deflagration, and because four combustion chambers are formed in the same space, the contact between the combustible gas and oxygen is more sufficient, and thus the combustion is more sufficient.
Preferably, the two ends of the bottom plate of the air distribution duct 2 are respectively tightly connected with the side wall of the air distribution ring, so that high-temperature combustible gas is prevented from entering the air distribution duct 2 from the bottom and further escaping from the secondary air distribution port, and resource waste is avoided.
Referring to fig. 5, as a specific embodiment of the secondary air distribution burner provided by the present invention, the air distribution ring 1 is configured as an inverted cone, and is suitable for a circular secondary air distribution opening, the air distribution ring 1 is internally provided with an air distribution duct 2 surrounded by a bottom plate, a first inclined plate and a second inclined plate, the bottom plate is horizontally disposed, and the first inclined plate and the second inclined plate are both provided with air distribution holes 11. In order to make the high-temperature combustible gas fully contact with oxygen, a conical air chamber 3 is arranged in an air distribution ring 1, the conical air chamber 3 and a hollow frustum concentrically arranged with an inverted conical air distribution ring are arranged in the air distribution ring 1, the conical air chamber 3 is communicated with the inside of an air distribution air channel 2, an annular combustion chamber is formed between the air distribution ring 1 and the conical air chamber 3, the upper opening of the combustion chamber is larger than the lower opening, air distribution holes 11 are formed in the side wall of the air distribution ring 1 and the side wall of the conical air chamber 3, the high-temperature combustible gas fully contacts with the oxygen in the combustion chamber to form deflagration, and the combustible gas rapidly expands in the combustion chamber, the flow rate is reduced, the flame formed by combustion is low, the outer flame of the flame contacts with a water cooling wall, and the water cooling wall.
Preferably, referring to fig. 6, a tapered hole 4 penetrating along the axial direction is arranged inside the tapered air chamber 3, the tapered hole 4 is an inverted cone, that is, the small-caliber end of the tapered hole 4 is located below the large-caliber end, and the side wall of the tapered hole 4 is also provided with an air distribution hole 11, so that high-temperature combustible gas can deflagrate not only from a combustion chamber formed between the tapered air chamber 3 and the air distribution ring 1, but also can enter the tapered hole 4, and the tapered hole 4 is an inverted cone, which also meets the deflagration condition after the high-temperature combustible gas is fully mixed with oxygen.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. Secondary air distribution combustor, its characterized in that: the air distribution ring is matched with a secondary air distribution port of the combustion furnace, and an air distribution air channel is arranged in the air distribution ring; the air distribution ring is of a frustum structure, and the small-caliber end of the air distribution ring is positioned below the large-caliber end; two ends of the air distribution duct are respectively positioned on the side wall of the air distribution ring, and an air inlet communicated with the air distribution duct is arranged at the position, corresponding to the air distribution duct, of the side wall of the air distribution ring; and air distribution holes are formed in the side wall of the air distribution ring and the side wall of the air distribution air duct.
2. The secondary air distribution burner of claim 1, wherein: the air distribution ring is of an inverted rectangular pyramid structure; a bottom plate, a first inclined plate and a second inclined plate which are sequentially connected end to end are arranged in the air distribution ring, and the bottom plate, the first inclined plate and the second inclined plate surround the air distribution duct; the bottom plate is horizontally arranged, and the first inclined plate and the second inclined plate are respectively provided with the air distribution holes.
3. The secondary air distribution burner of claim 2, wherein: a plurality of groups of air distribution air channels surrounded by the bottom plate, the first inclined plate and the second inclined plate are arranged in the air distribution ring in parallel at intervals; and air inlets which are in one-to-one correspondence with the air distribution air channels are arranged on the upper sea of the side wall of the air distribution ring.
4. The secondary air distribution burner of claim 3, wherein: and two ends of the bottom plate are respectively and tightly connected with the side wall of the air distribution ring.
5. The secondary air distribution burner of claim 1, wherein: the air distribution ring is arranged as an inverted cone; the middle part of the air distribution duct is provided with a conical air chamber which is concentric with the air distribution ring and is communicated with the air distribution duct, and the side wall of the conical air chamber is provided with an air distribution hole.
6. The secondary air distribution burner of claim 5, wherein: a bottom plate, a first inclined plate and a second inclined plate which are sequentially connected end to end are arranged in the air distribution ring, and the bottom plate, the first inclined plate and the second inclined plate surround the air distribution duct; the bottom plate is horizontally arranged, and the first inclined plate and the second inclined plate are both provided with the air distribution holes; a frustum with a cavity is arranged in the middle of the air distribution duct; the cavity is the conical plenum.
7. The secondary air distribution burner of claim 6, wherein: the frustum is provided with a taper hole which is communicated along the axial direction, the small-caliber end of the taper hole is positioned below the large-caliber end of the taper hole, and the side wall of the taper hole is provided with the air distribution hole.
8. The secondary air distribution combustor of claim 6 or 7, wherein: and two ends of the bottom plate are respectively and tightly connected with the side wall of the air distribution ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227708.5U CN210319999U (en) | 2019-07-31 | 2019-07-31 | Secondary air distribution burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227708.5U CN210319999U (en) | 2019-07-31 | 2019-07-31 | Secondary air distribution burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210319999U true CN210319999U (en) | 2020-04-14 |
Family
ID=70127385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921227708.5U Withdrawn - After Issue CN210319999U (en) | 2019-07-31 | 2019-07-31 | Secondary air distribution burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210319999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307537A (en) * | 2019-07-31 | 2019-10-08 | 石家庄市春燕采暖设备有限公司 | Secondary air distribution combustion device |
-
2019
- 2019-07-31 CN CN201921227708.5U patent/CN210319999U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307537A (en) * | 2019-07-31 | 2019-10-08 | 石家庄市春燕采暖设备有限公司 | Secondary air distribution combustion device |
| CN110307537B (en) * | 2019-07-31 | 2024-09-03 | 广东昊森热能设备有限公司 | Secondary air distribution burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200414 Effective date of abandoning: 20240903 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200414 Effective date of abandoning: 20240903 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |