CN203718826U - Turbulent burner and secondary air adjusting device thereof - Google Patents
Turbulent burner and secondary air adjusting device thereof Download PDFInfo
- Publication number
- CN203718826U CN203718826U CN201420034799.1U CN201420034799U CN203718826U CN 203718826 U CN203718826 U CN 203718826U CN 201420034799 U CN201420034799 U CN 201420034799U CN 203718826 U CN203718826 U CN 203718826U
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- plate
- secondary air
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- air
- upper plate
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- 238000000034 method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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Abstract
The utility model relates to a turbulent burner and a secondary air adjusting device thereof. The secondary air adjusting device comprises a sliding cover plate, a pull rod, a guide rail, a front plate, a rear plate, a connecting plate, an external secondary air tangential adjusting blade, an upper plate, a lower plate and an internal secondary air axial adjusting blade, the front plate, the rear plate, the connecting plate and the upper plate form an external secondary air passage, the upper and lower plates form an internal secondary air passage, the guide rail is connected to the upper end of the rear plate, the sliding cover plate is arranged on the guide rail, the pull rod is connected to the rear end of the sliding cover plate, and the pull rod is pulled to enable the sliding cover plate to slide on the guide rail so as to open and close an interval between the front plate and the rear plate. The secondary air adjusting device is provided with provided with the sliding cover plate for external secondary air so as to adjust air intake volume of the external secondary air, the air intake volume and swirling intensity of the external secondary air can be independently adjusted, and uniformity of secondary air intake volumes of different burners in a same air bellow is realized.
Description
Technical field
The utility model relates to burner field, is specifically related to a kind of secondary air regulation device of turbulent burner and has the turbulent burner of this secondary air regulation device.
Background technology
Wall delta hedge delta burning boiler low NOx combusting technology adopts classifired combustion technology and the low NO technology that matches conventionally.The low NO of main flow is two wind turbulent burners of adjusting substantially at present, two tune wind turbulent burners are according to fractional combustion principle, its Secondary Air is divided into inner second air and two strands of air-flows of outer second air, conventional two one of wind turbulent burner structures of adjusting are installing axial adjustment blade in inner second air passage, in outer second air passage, install tangential adjusting vane, regulate respectively both air quantity and air-flow swirl strengths.
This pair adjusts the existing problem of wind turbulent burner structure to have: the tangential adjusting vane that 1, outer second air adopts, regulate intake and the swirl strength of outer second air simultaneously, swirl strength greatly intake is little, and the little intake of swirl strength is large, cannot realize both independent and regulate; 2, due to the equal reason of dust stratification degree in bellows system layout, bellows, cause the interior static pressure distribution of bellows inhomogeneous, the intake difference of different burner Secondary Airs in same bellows, some burner Secondary Air intake is excessive, some burner Secondary Air intake is less, burner outlet air velocity distribution is unreasonable separately, causes coal dust burnout characteristic variation, and boiler thermal output declines.
Utility model content
The purpose of this utility model is the turbulent burner that proposes a kind of secondary air regulation device of turbulent burner and have this secondary air regulation device, and this secondary air regulation device has solved the problems referred to above effectively.
For achieving the above object, the utility model provides following technical scheme:
A kind of secondary air regulation device of turbulent burner, secondary air regulation device comprises slide cover, pull bar, guide rail, header board, rear plate, connecting plate, the tangential adjusting vane of outer second air, upper plate, lower plate and inner second air axial adjustment blade, between front and rear panels, there is interval, connecting plate is connected in the lower end of header board and perpendicular to header board, between connecting plate and upper plate, there is interval, between upper plate and lower plate, there is interval, upper plate is connected in the lower end of rear plate and perpendicular to rear plate, header board, rear plate, connecting plate and upper plate form the passage of outer second air, upper plate and lower plate form the passage of inner second air, the tangential adjusting vane of outer second air is arranged in the interval between front and rear panels, inner second air axial adjustment blade is arranged in the interval between upper plate and lower plate, guide rail is connected in the upper end of rear plate, slide cover is arranged on guide rail, pull bar is connected in the rear end of slide cover, pull pull bar to make slide cover slide and be used for opening and closing the interval between front and rear panels on guide rail.
At one, preferably or alternatively in embodiment, secondary air regulation device also comprises support bar, and the first end of support bar is connected with guide rail, the second end is connected with rear plate.
At one preferably or alternatively in embodiment, the interval between front and rear panels be the interval between upper plate and lower plate 1.5-2 doubly.
At one preferably or alternatively in embodiment, the length of slide cover be the interval between front and rear panels 1-2 doubly.
The utility model also provides following technical scheme:
A kind of secondary air regulation device of turbulent burner, secondary air regulation device comprises slide cover, pull bar, header board, rear plate, connecting plate, the tangential adjusting vane of outer second air, upper plate, lower plate and inner second air axial adjustment blade, between front and rear panels, there is interval, connecting plate is connected in the lower end of header board and perpendicular to header board, between connecting plate and upper plate, there is interval, between upper plate and lower plate, there is interval, upper plate is connected in the lower end of rear plate and perpendicular to rear plate, header board, rear plate, connecting plate and upper plate form the passage of outer second air, upper plate and lower plate form the passage of inner second air, the tangential adjusting vane of outer second air is arranged in the interval between front and rear panels, inner second air axial adjustment blade is arranged in the interval between upper plate and lower plate, slide cover is connected in below connecting plate and can on connecting plate, slides, on rear plate, there is hole, pull bar passes the hole on rear plate and is connected in the rear end of slide cover, pull pull bar that slide cover is slided and be used for opening and closing the interval between front and rear panels.
At one preferably or alternatively in embodiment, the interval between front and rear panels be the interval between upper plate and lower plate 1.5-2 doubly.
At one preferably or alternatively in embodiment, the length of slide cover be the interval between front and rear panels 1-2 doubly.
The utility model also provides following technical scheme:
A kind of turbulent burner, turbulent burner comprises secondary air regulation device as above.
Based on the arbitrary technical scheme in technique scheme, the utility model embodiment at least can produce following technique effect:
Because secondary air regulation device provided by the utility model comprises slide cover, pull bar, guide rail, header board, rear plate, connecting plate, the tangential adjusting vane of outer second air, upper plate, lower plate and inner second air axial adjustment blade, for outer second air arranges slide cover, in order to regulate the intake of outer second air, regulate to realize the independent of outer second air intake and swirl strength, and realize the uniformity of different burner Secondary Air intakes in same bellows.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the first embodiment of the secondary air regulation device of turbulent burner of the present utility model;
Fig. 2 is the structural representation of the second embodiment of the secondary air regulation device of turbulent burner of the present utility model.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all one or more in technical characterictic or the optional technical scheme of plurality of optional, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As shown in Figure 1, a kind of secondary air regulation device of turbulent burner, secondary air regulation device comprises slide cover 1, pull bar 2, guide rail 3, header board 4, rear plate 5, connecting plate 6, the tangential adjusting vane 7 of outer second air, upper plate 8, lower plate 9 and inner second air axial adjustment blade 10, between header board 4 and rear plate 5, there is interval, connecting plate 6 is connected in the lower end of header board 4 and perpendicular to header board 4, between connecting plate 6 and upper plate 8, there is interval, between upper plate 8 and lower plate 9, there is interval, upper plate 8 is connected in the lower end of rear plate 5 and perpendicular to rear plate 5, header board 4, rear plate 5, connecting plate 6 and upper plate 8 form the passage of outer second air, upper plate 8 and lower plate 9 form the passage of inner second air, the tangential adjusting vane 7 of outer second air is arranged in the interval between header board 4 and rear plate 5, inner second air axial adjustment blade 10 is arranged in the interval between upper plate 8 and lower plate 9, guide rail 3 is connected in the upper end of rear plate 5, slide cover 1 is arranged on guide rail 3, pull bar 2 is connected in the rear end of slide cover 1, pull pull bar 2 that slide cover 1 is slided on guide rail 3 and be used for opening and closing the interval between header board 4 and rear plate 5.
Secondary Air is divided into inner second air to turbulent burner and two strands of air-flows of outer second air spray in stove.The tangential adjusting vane of outer second air is arranged in the interval between front and rear panels, by adjusting swirl strength and the intake of the angle of the tangential adjusting vane of outer second air and the adjustable outer second air of aperture of slide cover.Inner second air axial adjustment blade is arranged in the interval between upper plate and lower plate, by adjusting swirl strength and the intake of the adjustable inner second air of angle of inner second air axial adjustment blade.
For the different burners in same bellows, by adjusting the outer second air slide cover aperture of each burner and the angle of inner second air axial adjustment blade, can overcome the inhomogeneous of the interior static pressure distribution of bellows, make different burner Secondary Air intakes uniformity as far as possible.
Secondary air regulation device also comprises support bar 11, and the first end of support bar 11 is connected with guide rail 3, the second end is connected with rear plate 5.By support bar connection guide rail and rear plate, can make guide rail structure more firm.
Interval between front and rear panels is 1.5-2 times of the interval between upper plate and lower plate, makes the adjusting leeway of outer second air intake larger, is more conducive to the independent of its intake and swirl strength to regulate.
The length of slide cover is 1-2 times of the interval between front and rear panels.Slide cover slides by pulling on guide rail of pull bar, and the aperture of slide cover can be in the scope of 0%-100%, thereby realizes the adjusting to outer second air intake.
The other parts of secondary air regulation device can be with reference to prior art, no longer launches herein to describe.
As shown in Figure 2, a kind of secondary air regulation device of turbulent burner, secondary air regulation device comprises slide cover 1, pull bar 2, header board 4, rear plate 5, connecting plate 6, the tangential adjusting vane 7 of outer second air, upper plate 8, lower plate 9 and inner second air axial adjustment blade 10, between header board 4 and rear plate 5, there is interval, connecting plate 6 is connected in the lower end of header board 4 and perpendicular to header board 4, between connecting plate 6 and upper plate 8, there is interval, between upper plate 8 and lower plate 9, there is interval, upper plate 8 is connected in the lower end of rear plate 5 and perpendicular to rear plate 5, header board 4, rear plate 5, connecting plate 6 and upper plate 8 form the passage of outer second air, upper plate 8 and lower plate 9 form the passage of inner second air, the tangential adjusting vane 7 of outer second air is arranged in the interval between header board 4 and rear plate 5, inner second air axial adjustment blade 10 is arranged in the interval between upper plate 8 and lower plate 9, slide cover 1 is connected in below connecting plate 6 and can on connecting plate 6, slides, on rear plate 5, there is hole 12, pull bar 2 passes the hole 12 on rear plate 5 and is connected in the rear end of slide cover 1, pull pull bar 2 that slide cover 1 is slided and be used for opening and closing the interval between header board 4 and rear plate 5.
The connection of slide cover and connecting plate can adopt the state of the art, guide rail, then guide rail and slide cover for example can be set below connecting plate and be connected, multiple collars also can be set below connecting plate, then slide cover be arranged in the collar.
Interval between front and rear panels is 1.5-2 times of the interval between upper plate and lower plate, makes the adjusting leeway of outer second air intake larger, is more conducive to the independent of its intake and swirl strength to regulate.
The length of slide cover is 1-2 times of the interval between front and rear panels.Slide cover is realized and being slided by pulling of pull bar, and the aperture of slide cover can be in the scope of 0%-100%, thereby realizes the adjusting to outer second air intake.
The other parts of secondary air regulation device can be with reference to prior art, no longer launches herein to describe.
A kind of turbulent burner, turbulent burner comprises secondary air regulation device as above.
The other parts of turbulent burner can be with reference to prior art, no longer launches herein to describe.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by multiple independent parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. the secondary air regulation device of a turbulent burner, it is characterized in that, described secondary air regulation device comprises slide cover, pull bar, guide rail, header board, rear plate, connecting plate, the tangential adjusting vane of outer second air, upper plate, lower plate and inner second air axial adjustment blade, between front and rear panels, there is interval, connecting plate is connected in the lower end of header board and perpendicular to header board, between connecting plate and upper plate, there is interval, between upper plate and lower plate, there is interval, upper plate is connected in the lower end of rear plate and perpendicular to rear plate, header board, rear plate, connecting plate and upper plate form the passage of outer second air, upper plate and lower plate form the passage of inner second air, the tangential adjusting vane of outer second air is arranged in the interval between front and rear panels, inner second air axial adjustment blade is arranged in the interval between upper plate and lower plate, guide rail is connected in the upper end of rear plate, slide cover is arranged on guide rail, pull bar is connected in the rear end of slide cover, pull pull bar to make slide cover slide and be used for opening and closing the interval between front and rear panels on guide rail.
2. secondary air regulation device according to claim 1, is characterized in that, described secondary air regulation device also comprises support bar, and the first end of support bar is connected with guide rail, the second end is connected with rear plate.
3. secondary air regulation device according to claim 1, is characterized in that, the interval between front and rear panels is 1.5-2 times of the interval between upper plate and lower plate.
4. secondary air regulation device according to claim 1, is characterized in that, the length of slide cover is 1-2 times of the interval between front and rear panels.
5. the secondary air regulation device of a turbulent burner, it is characterized in that, described secondary air regulation device comprises slide cover, pull bar, header board, rear plate, connecting plate, the tangential adjusting vane of outer second air, upper plate, lower plate and inner second air axial adjustment blade, between front and rear panels, there is interval, connecting plate is connected in the lower end of header board and perpendicular to header board, between connecting plate and upper plate, there is interval, between upper plate and lower plate, there is interval, upper plate is connected in the lower end of rear plate and perpendicular to rear plate, header board, rear plate, connecting plate and upper plate form the passage of outer second air, upper plate and lower plate form the passage of inner second air, the tangential adjusting vane of outer second air is arranged in the interval between front and rear panels, inner second air axial adjustment blade is arranged in the interval between upper plate and lower plate, slide cover is connected in below connecting plate and can on connecting plate, slides, on rear plate, there is hole, pull bar passes the hole on rear plate and is connected in the rear end of slide cover, pull pull bar that slide cover is slided and be used for opening and closing the interval between front and rear panels.
6. secondary air regulation device according to claim 5, is characterized in that, the interval between front and rear panels is 1.5-2 times of the interval between upper plate and lower plate.
7. secondary air regulation device according to claim 5, is characterized in that, the length of slide cover is 1-2 times of the interval between front and rear panels.
8. a turbulent burner, is characterized in that, described turbulent burner comprises the secondary air regulation device described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034799.1U CN203718826U (en) | 2014-01-21 | 2014-01-21 | Turbulent burner and secondary air adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034799.1U CN203718826U (en) | 2014-01-21 | 2014-01-21 | Turbulent burner and secondary air adjusting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718826U true CN203718826U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420034799.1U Expired - Fee Related CN203718826U (en) | 2014-01-21 | 2014-01-21 | Turbulent burner and secondary air adjusting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605565A (en) * | 2016-01-18 | 2016-05-25 | 华北电力科学研究院有限责任公司 | Method for adjusting optimal angle of radial swirl blades in swirl burner |
| CN111765490A (en) * | 2020-06-22 | 2020-10-13 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
-
2014
- 2014-01-21 CN CN201420034799.1U patent/CN203718826U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605565A (en) * | 2016-01-18 | 2016-05-25 | 华北电力科学研究院有限责任公司 | Method for adjusting optimal angle of radial swirl blades in swirl burner |
| CN111765490A (en) * | 2020-06-22 | 2020-10-13 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
| CN111765490B (en) * | 2020-06-22 | 2022-09-27 | 哈尔滨锅炉厂有限责任公司 | Pull rod adjusting mechanism of cyclone burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140716 Termination date: 20200121 |