CN108826292A - Steady flame device and its burner and boiler - Google Patents
Steady flame device and its burner and boiler Download PDFInfo
- Publication number
- CN108826292A CN108826292A CN201811023932.2A CN201811023932A CN108826292A CN 108826292 A CN108826292 A CN 108826292A CN 201811023932 A CN201811023932 A CN 201811023932A CN 108826292 A CN108826292 A CN 108826292A
- Authority
- CN
- China
- Prior art keywords
- bluff body
- steady flame
- center
- flame device
- axis
- 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.)
- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 abstract description 20
- 239000000567 combustion gas Substances 0.000 abstract description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The present invention discloses steady flame device, burner and boiler.The steady flame device includes the steady flame bluff body in center, the groove extended from bluff body center to bluff body edge is provided on the bluff body, the groove is tilted through the bluff body and relative to the axis of the bluff body, in this way, make micro disturbance to a small amount of combustion air, generate Whirl deposite tank, promotes the mixing of combustion air and combustion gas, interference of a large amount of wind to center burning torch is reduced simultaneously, stablizes flame.
Description
Technical field
The present invention relates to gas fired-boilers, more particularly to applied to the steady flame device of various types of gas fired-boilers and burning
Device, most important component part in the steady super low NO of flame device.
Background technique
According to market situation, the burner some of different structure is equipped with steady flame device, and some is then without steady flame device.Steady flame
The steady flame bluff body majority in the center of device forms the Whirl deposite tank of disturbance without water conservancy diversion by the way of stamped groove；A small number of centers
Steady flame bluff body has the conducting element of outer ring, and majority faces the steady flame bluff body in center directly using single, has lacked outboard diversion part to helping
Fire the guide functions of air；There is flame instability in these steady flame devices.
Summary of the invention
Problems solved by the invention is the unstable problem of the flame of centre of existing steady flame device.
To solve the above problems, the present invention provides a kind of steady flame device.The steady flame device includes the steady flame bluff body in center, this is blunt
The groove extended from bluff body center to bluff body edge is provided on body, the groove is through the bluff body and relative to the bluff body
Axis inclination.
In a kind of scheme, the groove extends from bluff body center to bluff body edge.
In a kind of scheme, the groove is dovetail groove or parallelogram, and the upper bottom of the dovetail groove is towards described blunt
The edge of body is gone to the bottom towards the center of bluff body；Alternatively, the upper bottom is gone to the bottom towards the center of the bluff body towards the side of bluff body
Edge.
In a kind of scheme, the long 20-160mm of the waist of the dovetail groove, upper bottom 3-10mm, bottom 4.5-15mm；It is described flat
The short side 3-15mm of row quadrangle, long side 20-160mm.
In a kind of scheme, the groove slant is in 25 ° -50 ° of axis of bluff body.
In a kind of scheme, which is characterized in that the groove is uniformly arranged.
In a kind of scheme, the groove has 6-18.
In a kind of scheme, the through-hole that at least one circle runs through the bluff body is additionally provided on the bluff body, the through-hole is equal
Even distribution and its axis are parallel to the axis of the bluff body.
In a kind of scheme, the through-hole is 1~4 circle.
In a kind of scheme, the diameter of the through-hole is 5mm-19mm.
In a kind of scheme, the through-hole it is of different sizes.
In a kind of scheme, the edge of the bluff body is provided with flaring conducting element, the taper of the flaring conducting element and institute
The axis for stating bluff body forms 55 ° -75 ° of angle.
In a kind of scheme, the height of the flaring conducting element is 10-25mm.
In a kind of scheme, at center, the center of steady flame bluff body is connected with the pipe that keeps out the wind, and the axis of this pipe that keeps out the wind and center are steady
The axis of flame bluff body is overlapped.
Another aspect of the present invention also provides a kind of burner and boiler.The burner includes aforementioned any steady flame dress
It sets.The boiler includes the aforementioned steady flame device of any one.
Compared with prior art, the present invention has at least the following advantages：
1, since the steady flame bluff body in center is provided with groove, the axis of the groove is tilted relative to the axis of bluff body, in this way, to few
Amount combustion air makees micro disturbance, generates Whirl deposite tank, promotes the mixing of combustion air and combustion gas, while reducing a large amount of wind centerings
Flame is stablized in the interference of heart burning torch.
2, since the groove is dovetail groove or parallelogram or quadrangle, the upper bottom of the dovetail groove is towards described blunt
The edge of body is gone to the bottom towards the center of bluff body, thus it is possible to the difference of the Zhu Ran air capacity of different locals is controlled, it is further steady
Determine flame.
3, due to the long 20-160mm of the waist of the dovetail groove, upper bottom 3-10mm, bottom 4.5-15mm,；Parallel four side
The short side 3-15mm of shape, long side 20-160mm, so, further stable flame.
4, since the groove slant is in 25 ° -50 ° of axis of bluff body, so, the swirl strength of combustion air is controlled,
Stablize flame.
5, since the groove is 6-18, so, the effect for stablizing flame is good.
6, the axis for being parallel to the bluff body due to being evenly arranged with the axis of through-hole and through-hole on the bluff body, in this way,
Groove generates Whirl deposite tank, and through-hole generates axis stream wind, promotes the mixing of combustion gas and combustion air, further decreases the row of nitrogen oxides
It puts, and can guarantee the stability of flame.
7, since the through-hole is 1-4 circle, alternatively, the diameter due to the through-hole is 5mm-19mm, thus it is possible to control
The combustion-supporting air quantity of entire bluff body, stablizes flame, avoids hole circle number too many, causes combustion-supporting air quantity at center excessive, flame is not
It asks.
9, due to being provided with flaring conducting element around the edge of the bluff body, the taper of the flaring conducting element and the bluff body
Axis forms 55 ° -75 ° of angle, in this way, the conducting element carries out water conservancy diversion to combustion air, changes its direction, make combustion air to
The diffusion of outside border, reaches combustion air and preferably mixes with combustion gas.
10, due to being connected with the pipe that keeps out the wind at the center of the steady flame bluff body in center, the axis and the steady flame bluff body in center of this pipe that keeps out the wind
Axis be overlapped, so, which prevents a large amount of combustion air from passing through the installation of the central point firelock at steady flame device center
The interference to center burning torch is caused in hole, guarantees its ignition success rate, guarantees the stability of flame of centre in combustion process.
Detailed description of the invention
Fig. 1 is the first embodiment of steady flame device of the invention；
Fig. 2 is second of embodiment of steady flame device of the invention；
Fig. 3 is the main view of Fig. 2, illustrates that the axis of groove favours the axis of bluff body emphatically.
Specific embodiment
By the technology contents that the present invention will be described in detail, construction feature, reached purpose and efficacy, below in conjunction with embodiment
And attached drawing is cooperated to be described in detail.
Fig. 1 and Fig. 3 are please referred to, referring to Fig. 1, the steady flame device of the first embodiment includes the steady flame bluff body 1 in center, it should
The groove 12 extended from bluff body center to bluff body edge 11 is provided on bluff body 1, the groove 12 through the bluff body 1 and relative to
The axis of the bluff body tilts.The quantity of groove 12 is 6-18, and in the present embodiment, groove 12 has 9.In this embodiment party
In formula, the groove 12 is dovetail groove, and the upper bottom of the dovetail groove 12 is gone to the bottom towards the edge 11 of the bluff body 1 towards bluff body
Center.The long 20-160mm of the skewed slot of the dovetail groove, upper bottom 3-10mm, bottom 4.5-15mm.The groove 12 favours bluff body 1
25 ° -50 ° of axis, especially as shown in figure 3, dotted portion indicates that groove 12 is located at the part inside bluff body 1 in Fig. 3, groove 12 around
The axis is uniformly distributed, and in the case where bluff body 1 is rounded, the groove 12 extends along radial direction.
Please continue to refer to Fig. 1, the steady flame device further includes that flaring conducting element 2 is provided with around the edge 11 of the bluff body 1,
The axis of the taper of the flaring conducting element 2 and the bluff body forms 55 ° -75 ° of angle.The direction and the injection of gas of flaring 21
Direction is consistent, and in the case where keeping out the wind pipe, the direction of the flaring 21 is with the position for the pipe that keeps out the wind on the contrary, as shown in Figure 2.It is described
The height (i.e. the vertical ranges of both ends of the surface) for being flared conducting element 2 is 10-25mm.At center, the center of steady flame bluff body 1 is connected with gear
The axis of air hose 3, this pipe that keeps out the wind is overlapped with the axis of the steady flame bluff body in center, certainly, it will be understood by those skilled in the art that this is heavy
Conjunction, which can be the two axial lines, certain deviation, even if there is this deviation, can also reach said effect.It uses in 4 holes 14 in Fig. 1
In fixation and install other accessory (burning torch and ion probe).
Fig. 2 and Fig. 3 are please referred to, the steady flame device of second embodiment is compared with the steady flame device of first embodiment, institute
State at least ring through hole 13 being additionally provided on bluff body 1 through the bluff body 1.The circle number of through-hole is 1 to 3 circle and is evenly distributed on institute
It states on bluff body 1,2 circles is illustrated in present embodiment.The axis of each through-hole 13 is parallel to the axis of the bluff body and is formed
Straight hole.The diameter in each hole is 5mm-19mm.In the case where through-hole has multi-turn, difference circle through-holes 13 diameter or
The diameter of through-hole 13 in the same circle of person is unrestricted, can be equal or unequal.In the feelings for being provided with flaring conducting element 2
Under condition, the through-hole 13 from the conducting element 2 to the center arrangement of the bluff body 1, as shown,
Based on above structure, the present invention is steady, and flame device is at least had the advantages that：
1, since the steady flame bluff body in center is provided with groove, the axis of the groove is tilted relative to the axis of bluff body, in this way, to few
Amount combustion air makees micro disturbance, generates Whirl deposite tank, promotes the mixing of combustion air and combustion gas, while reducing a large amount of wind centerings
Flame is stablized in the interference of heart burning torch.
2, since the groove is dovetail groove or parallelogram or quadrangle, the upper bottom of the dovetail groove is towards described blunt
The edge of body is gone to the bottom towards the center of bluff body, thus it is possible to the difference of the Zhu Ran air capacity of different locals is controlled, it is further steady
Determine flame.
3, due to the long 20-160mm of the waist of the dovetail groove, upper bottom 3-10mm, bottom 4.5-15mm,；Parallel four side
The short side 3-15mm of shape, long side 20-160mm, so, further stable flame.
4, since the groove slant is in 25 ° -50 ° of axis of bluff body, so, the swirl strength of combustion air is controlled,
Stablize flame.
5, since the groove is 6-18, so, the effect for stablizing flame is good.
6, the axis for being parallel to the bluff body due to being evenly arranged with the axis of through-hole and through-hole on the bluff body, in this way,
Groove generates Whirl deposite tank, and through-hole generates axis stream wind, promotes the mixing of combustion gas and combustion air, further decreases the row of nitrogen oxides
It puts, and can guarantee the stability of flame.
7, since the through-hole is 1-4 circle, alternatively, the diameter due to the through-hole is 5mm-19mm, thus it is possible to control
The combustion-supporting air quantity of entire bluff body, stablizes flame, avoids hole circle number too many, causes combustion-supporting air quantity at center excessive, flame is not
It asks.
9, due to being provided with flaring conducting element around the edge of the bluff body, the taper of the flaring conducting element and the bluff body
Axis forms 55 ° -75 ° of angle, in this way, the conducting element carries out water conservancy diversion to combustion air, changes its direction, make combustion air to
The diffusion of outside border, reaches combustion air and preferably mixes with combustion gas.
10, due to being connected with the pipe that keeps out the wind at the center of the steady flame bluff body in center, the axis and the steady flame bluff body in center of this pipe that keeps out the wind
Axis be overlapped, so, which prevents a large amount of combustion air from passing through the installation of the central point firelock at steady flame device center
The interference to center burning torch is caused in hole, guarantees its ignition success rate, guarantees the stability of flame of centre in combustion process.
Claims (15)
1. steady flame device, which is characterized in that including the steady flame bluff body in center, be evenly arranged on the bluff body through the recessed of the bluff body
Slot, the groove are tilted relative to the axis of the bluff body.
2. steady flame device as described in claim 1, which is characterized in that the groove extends from bluff body center to bluff body edge.
3. steady flame device as described in claim 1, which is characterized in that the groove is dovetail groove or parallelogram or four sides
Shape, the upper bottom of the dovetail groove are gone to the bottom towards the edge of the bluff body towards the center of bluff body；Alternatively, the upper bottom is described in
The center of bluff body is gone to the bottom towards the edge of bluff body.
4. steady flame device as claimed in claim 3, which is characterized in that the long 20-160mm of the waist of the dovetail groove, upper bottom 3-
10mm, bottom 4.5-15mm；The short side 3-15mm of the parallelogram, long side 20-160mm.
5. steady flame device as described in claim 1, which is characterized in that the groove slant is in 25 ° -50 ° of axis of bluff body.
6. steady flame device as described in claim 1, which is characterized in that the groove has 6-18.
7. the steady flame device as described in any one of claim 1 to 6, which is characterized in that be additionally provided on the bluff body to
A few circle runs through the through-hole of the bluff body, and the through-hole is uniformly distributed and its axis is parallel to the axis of the bluff body.
8. steady flame device as claimed in claim 7, which is characterized in that the through-hole is 1~4 circle.
9. steady flame device as claimed in claim 7, which is characterized in that the diameter of the through-hole is 5mm-19mm.
10. steady flame device as claimed in claim 7, which is characterized in that the through-hole it is of different sizes or identical.
11. steady flame device as claimed in claim 7, which is characterized in that the edge of the bluff body is provided with flaring conducting element,
The axis of the taper of the flaring conducting element and the bluff body forms 55 ° -75 ° of angle.
12. steady flame device as claimed in claim 11, which is characterized in that the height of the flaring conducting element is 10-25mm.
13. steady flame device as described in claim 1, which is characterized in that at center, the center of steady flame bluff body is connected with the pipe that keeps out the wind,
The axis of this pipe that keeps out the wind is overlapped with the axis of the steady flame bluff body in center.
14. burner, which is characterized in that including the aforementioned steady flame device of any one.
15. boiler, which is characterized in that including the aforementioned steady flame device of any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023932.2A CN108826292A (en) | 2018-09-03 | 2018-09-03 | Steady flame device and its burner and boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023932.2A CN108826292A (en) | 2018-09-03 | 2018-09-03 | Steady flame device and its burner and boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108826292A true CN108826292A (en) | 2018-11-16 |
Family
ID=64151027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811023932.2A Withdrawn CN108826292A (en) | 2018-09-03 | 2018-09-03 | Steady flame device and its burner and boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108826292A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281337Y (en) * | 2008-10-16 | 2009-07-29 | 林光湧 | Eenrgy-saving efficient burner |
| CN102012025A (en) * | 2010-12-10 | 2011-04-13 | 上海诺特飞博燃烧设备有限公司 | Low-NOx combustor with internal reflux of flue gas and homogeneous combustion and gas configuration method thereof |
| CN104990078A (en) * | 2015-07-20 | 2015-10-21 | 北京大学 | Combustor capable of quickly realizing flameless combustion |
| CN107166384A (en) * | 2016-03-08 | 2017-09-15 | 霍尼韦尔国际公司 | Fuel gas air burner with bluff body flameholder |
| CN206875426U (en) * | 2017-04-24 | 2018-01-12 | 上海诺特飞博燃烧设备有限公司 | Diffusion type all-premixing burner |
| CN207247207U (en) * | 2017-10-11 | 2018-04-17 | 西安可利尔环保科技有限公司 | A kind of flow-through gas burner using the steady flame of comb shape bluff body |
| CN208859606U (en) * | 2018-09-03 | 2019-05-14 | 上海诺特飞博燃烧设备有限公司 | Steady flame device and its burner and boiler |
-
2018
- 2018-09-03 CN CN201811023932.2A patent/CN108826292A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281337Y (en) * | 2008-10-16 | 2009-07-29 | 林光湧 | Eenrgy-saving efficient burner |
| CN102012025A (en) * | 2010-12-10 | 2011-04-13 | 上海诺特飞博燃烧设备有限公司 | Low-NOx combustor with internal reflux of flue gas and homogeneous combustion and gas configuration method thereof |
| CN104990078A (en) * | 2015-07-20 | 2015-10-21 | 北京大学 | Combustor capable of quickly realizing flameless combustion |
| CN107166384A (en) * | 2016-03-08 | 2017-09-15 | 霍尼韦尔国际公司 | Fuel gas air burner with bluff body flameholder |
| CN206875426U (en) * | 2017-04-24 | 2018-01-12 | 上海诺特飞博燃烧设备有限公司 | Diffusion type all-premixing burner |
| CN207247207U (en) * | 2017-10-11 | 2018-04-17 | 西安可利尔环保科技有限公司 | A kind of flow-through gas burner using the steady flame of comb shape bluff body |
| CN208859606U (en) * | 2018-09-03 | 2019-05-14 | 上海诺特飞博燃烧设备有限公司 | Steady flame device and its burner and boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |
|
| WW01 | Invention patent application withdrawn after publication |