CN111425850A - Cyclone over-fire air burner capable of integrally swinging up and down, left and right - Google Patents
Cyclone over-fire air burner capable of integrally swinging up and down, left and right Download PDFInfo
- Publication number
- CN111425850A CN111425850A CN202010290241.XA CN202010290241A CN111425850A CN 111425850 A CN111425850 A CN 111425850A CN 202010290241 A CN202010290241 A CN 202010290241A CN 111425850 A CN111425850 A CN 111425850A
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- Prior art keywords
- connecting rod
- fire air
- bracket component
- rotatory piece
- swinging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
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- 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
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a cyclone over-fire air burner capable of swinging up and down, left and right integrally, belongs to the technical field of burners, and aims to solve the problems that the conventional burner can only control combustion, smoke temperature and nitrogen oxide discharge by adjusting the air volume and the cyclone strength of over-fire air, and the adjusting means is limited. The combustor body rotates through the sphere board and sets up on spherical support, and driven connecting rod's one end is connected with the combustor body, and driven connecting rod's the other end is connected with the one end of drive connecting rod through the universal joint, and the other end of drive connecting rod is connected with connecting rod bracket component, connecting rod bracket component and bellows fixed connection. The cyclone over-fire air burner capable of integrally swinging up, down, left and right can flexibly adjust the angle between the airflow of the cyclone over-fire air and the horizontal plane.
Description
Technical Field
The invention relates to a burner, in particular to a cyclone over-fire air burner capable of integrally swinging up, down, left and right, and belongs to the technical field of burners.
Background
In recent years, the power industry is continuously developed, and meanwhile, the requirements on pollutant emission, boiler efficiency and boiler operation safety are continuously improved, so that the development of the cyclone pulverized coal burner is promoted. Most of the existing cyclone over-fire air burners are fixedly connected with a water-cooled wall through a sealing box, even if the burners can swing up and down, only central direct-current air can swing up and down, the air flow direction of over-fire air is fixed, combustion, smoke temperature and nitrogen oxide discharge can be controlled only by adjusting the air volume and the cyclone strength of over-fire air, and the adjusting means is limited.
Disclosure of Invention
The invention aims to provide a cyclone over-fire air burner capable of swinging up, down, left and right integrally, so as to solve the problems that the traditional burner can only control combustion, smoke temperature and nitrogen oxide discharge amount by adjusting the air volume and the cyclone strength of over-fire air, and the adjusting means is limited.
A cyclone over-fire air burner capable of swinging up and down, left and right integrally comprises a spherical support, a spherical panel, a burner body, a driven connecting rod, a driving connecting rod, a universal joint, a connecting rod support assembly, a vertical swinging mechanism and a horizontal swinging mechanism;
the combustor body is rotatably arranged on the spherical support through a spherical plate, one end of a driven connecting rod is connected with the combustor body, the other end of the driven connecting rod is connected with one end of a driving connecting rod through a universal joint, the other end of the driving connecting rod is connected with a connecting rod support assembly, and the connecting rod support assembly is fixedly connected with the air box;
the connecting rod bracket component is provided with a vertical swing mechanism and a horizontal swing mechanism.
Preferably: the connecting rod bracket component comprises an inner rotating block, an outer rotating block and a bracket component fixing seat, the inner rotating block is arranged in the outer rotating block in a rotating mode through a rotating shaft, the rotating shaft of the inner rotating block is arranged horizontally, the outer rotating block is arranged on the bracket component fixing seat in a rotating mode through a rotating shaft, the rotating shaft of the outer rotating block is arranged vertically, and the bracket component fixing seat is fixedly connected with the bellows.
Preferably: the vertical swing mechanism comprises a first clamping block, a first threaded shaft and a vertical swing support, one end of the vertical swing support is connected with the upper portion of the outer rotating block, the other end of the vertical swing support is provided with the first threaded shaft, one end of the first clamping block is connected with the first threaded shaft, and the other end of the first clamping block is hinged to the driving telescopic rod.
Preferably: the horizontal swing mechanism comprises a second clamping block, a second threaded shaft and a horizontal swing support, one end of the second clamping block is connected with a rotating shaft of the outer rotating block, the other end of the second clamping block is connected with one end of the second threaded shaft, the other end of the second threaded shaft is connected with the horizontal swing support, and the horizontal swing support is fixedly connected with the air box.
Compared with the existing product, the invention has the following effects:
1. the cyclone over-fire air burner can swing up, down, left and right freely in a certain cone angle, the air flow direction of the over-fire air can be flexibly adjusted, the adjusting range of the over-fire air is greatly improved, means for controlling combustion, smoke temperature and nitrogen oxide discharge are added, and the performance of the boiler is improved;
2. the combustor swings integrally, the original air quantity and rotational flow strength adjusting means are reserved, and direct current air and rotational flow air swing simultaneously and do not interfere with each other;
3. the adjusting device adopts a threaded shaft and clamping block structure, is labor-saving, and can realize the swinging and adjustment of the burner through manual operation.
Drawings
FIG. 1 is a schematic structural diagram of a cyclone over-fire air burner of the present invention capable of swinging up, down, left and right integrally;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic structural diagram of a cyclone over-fire air burner of the present invention capable of swinging up, down, left and right integrally;
FIG. 4 is an enlarged view at B of FIG. 3;
FIG. 5 is a schematic structural view of a link bracket assembly;
fig. 6 is a side view of fig. 5.
In the figure: 1-spherical support, 2-spherical panel, 3-burner body, 4-driven connecting rod, 5-driving connecting rod, 6-universal joint, 7-connecting rod support component, 8-vertical swing mechanism, 9-first clamping block, 10-first threaded shaft, 11-horizontal swing mechanism, 12-second clamping block, 13-second threaded shaft, 14-vertical swing support, 15-horizontal swing support, 16-inner rotating block, 17-outer rotating block and 18-support component fixing seat.
Detailed Description
Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the cyclone over-fire air burner capable of swinging up, down, left and right integrally according to the present invention includes a spherical support 1, a spherical plate 2, a burner body 3, a driven link 4, a driving link 5, a universal joint 6, a link bracket assembly 7, a vertical swinging mechanism 8 and a horizontal swinging mechanism 11;
the burner body 3 is rotatably arranged on the spherical support 1 through the spherical panel 2, one end of a driven connecting rod 4 is connected with the burner body 3, the other end of the driven connecting rod 4 is connected with one end of a driving connecting rod 5 through a universal joint 6, the other end of the driving connecting rod 5 is connected with a connecting rod support assembly 7, and the connecting rod support assembly 7 is fixedly connected with an air box;
the connecting rod bracket component 7 is provided with a vertical swing mechanism 8 and a horizontal swing mechanism 11.
Further: connecting rod bracket component 7 includes interior rotatory piece 16, outer rotatory piece 17 and bracket component fixing base 18, and interior rotatory piece 16 rotates through the pivot and sets up in outer rotatory piece 17, and the pivot of interior rotatory piece 16 is the level setting, and outer rotatory piece 17 rotates through the pivot and sets up on bracket component fixing base 18, and the pivot of outer rotatory piece 17 is vertical setting, bracket component fixing base 18 and bellows fixed connection.
Further: the vertical swing mechanism 8 comprises a first clamping block 9, a first threaded shaft 10 and a vertical swing support 14, one end of the vertical swing support 14 is connected with the upper portion of the outer rotating block 17, the other end of the vertical swing support 14 is provided with the first threaded shaft 10, one end of the first clamping block 9 is connected with the first threaded shaft 10, and the other end of the first clamping block 9 is hinged to the driving telescopic rod 5.
Further: the horizontal swing mechanism 11 comprises a second clamping block 12, a second threaded shaft 13 and a horizontal swing support 15, one end of the second clamping block 12 is connected with a rotating shaft of an outer rotating block 17, the other end of the second clamping block 12 is connected with one end of the second threaded shaft 13, the other end of the second threaded shaft 13 is connected with the horizontal swing support 15, and the horizontal swing support 15 is fixedly connected with an air box.
The invention adopts a rotational flow over-fire air burner which is applied to a boiler and can integrally swing up, down, left and right. The burner body can swing freely around the spherical center of the spherical support within a certain cone angle. The swinging of the combustor is driven by a swinging connecting rod assembly and a connecting rod bracket assembly. The swing connecting rod assembly consists of a driving connecting rod, a driven connecting rod and a universal joint, wherein the two connecting rods are connected through the universal joint, and the driven connecting rod can swing around the universal joint in any direction relative to the driving connecting rod. The connecting rod bracket component is also of a universal structure, and the driving connecting rod can swing freely around the center of the bracket within a certain cone angle. The manual swing mechanism is divided into a horizontal swing mechanism and a vertical swing mechanism, the clamping block is driven to rotate through the threaded shaft to generate linear displacement, the linear displacement is transmitted to the connecting rod support assembly to generate angular displacement, and the driving rod can swing freely around the center of the support within a certain cone angle. Each air door and each rotational flow adjusting mechanism also adopts two connecting rods and a universal joint structure, the driving rod is rotated to drive the driven rod, and the angular displacement is converted into linear displacement at the air door and the blades through structures such as cranks and the like to drive the air door and the blades to act. The adjusting range of the over-fire air is greatly improved, and means for controlling combustion, smoke temperature and nitrogen oxide discharge are added.
The burner body is welded with a spherical surface near the nozzle end, the spherical center is on the axis of the burner, the sealing box is welded with a concentric spherical support which has a slightly larger radius than the spherical surface on the burner, and the burner can swing freely around the spherical center in a certain cone angle.
The driving connecting rod and the driven connecting rod are telescopic connecting rods so as to compensate linear displacement generated by angular displacement.
Each air door and each rotational flow adjusting mechanism also adopts two connecting rods and a universal joint structure, the driving rod is rotated to drive the driven rod, and the angular displacement is converted into linear displacement at the air door and the blades through structures such as cranks and the like to drive the air door and the blades to act.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (4)
1. The utility model provides a can whole horizontal hunting whirl after-fire air combustor which characterized in that: comprises a spherical bracket (1), a spherical plate (2), a burner body (3), a driven connecting rod (4), a driving connecting rod (5), a universal joint (6), a connecting rod bracket component (7), a vertical swing mechanism (8) and a horizontal swing mechanism (11);
the combustor body (3) is rotatably arranged on the spherical support (1) through the spherical panel (2), one end of the driven connecting rod (4) is connected with the combustor body (3), the other end of the driven connecting rod (4) is connected with one end of the driving connecting rod (5) through the universal joint (6), the other end of the driving connecting rod (5) is connected with the connecting rod support assembly (7), and the connecting rod support assembly (7) is fixedly connected with the air box;
the connecting rod bracket component (7) is provided with a vertical swing mechanism (8) and a horizontal swing mechanism (11).
2. The cyclone over-fire air burner capable of swinging up, down, left and right integrally according to claim 1, characterized in that: connecting rod bracket component (7) are including interior rotatory piece (16), outer rotatory piece (17) and bracket component fixing base (18), and interior rotatory piece (16) rotate through the pivot and set up in outer rotatory piece (17), and the pivot of interior rotatory piece (16) is the level setting, and outer rotatory piece (17) rotate through the pivot and set up on bracket component fixing base (18), and the pivot of outer rotatory piece (17) is vertical setting, bracket component fixing base (18) and bellows fixed connection.
3. The cyclone over-fire air burner capable of integrally swinging up, down, left and right according to claim 2, characterized in that: the vertical swing mechanism (8) comprises a first clamping block (9), a first threaded shaft (10) and a vertical swing support (14), one end of the vertical swing support (14) is connected with the upper portion of the outer rotating block (17), the other end of the vertical swing support (14) is provided with the first threaded shaft (10), one end of the first clamping block (9) is connected with the first threaded shaft (10), and the other end of the first clamping block (9) is hinged to the driving telescopic rod (5).
4. The cyclone over-fire air burner capable of integrally swinging up, down, left and right according to claim 2, characterized in that: horizontal swinging mechanism (11) include second clamp splice (12), second threaded shaft (13) and horizontal swing support (15), and the one end of second clamp splice (12) is connected with the pivot of outer rotatory piece (17), and the other end of second clamp splice (12) is connected with the one end of second threaded shaft (13), and the other end of second threaded shaft (13) is connected with horizontal swing support (15), horizontal swing support (15) and bellows fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290241.XA CN111425850B (en) | 2020-04-14 | 2020-04-14 | Cyclone over-fire air burner capable of integrally swinging up and down, left and right |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290241.XA CN111425850B (en) | 2020-04-14 | 2020-04-14 | Cyclone over-fire air burner capable of integrally swinging up and down, left and right |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111425850A true CN111425850A (en) | 2020-07-17 |
| CN111425850B CN111425850B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010290241.XA Active CN111425850B (en) | 2020-04-14 | 2020-04-14 | Cyclone over-fire air burner capable of integrally swinging up and down, left and right |
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| CN (1) | CN111425850B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693348Y (en) * | 2004-02-23 | 2005-04-20 | 陆云莺 | Air nozzle with wobbling in vertical and horizontal bi direction |
| CN102913898A (en) * | 2012-10-16 | 2013-02-06 | 东方电气集团东方锅炉股份有限公司 | Over-fire air distribution manner in front and back wall opposed firing boiler |
| US20130112120A1 (en) * | 2011-05-27 | 2013-05-09 | Yuehua Li | Dense Phase Swirl Pulverized Coal Burner |
| CN203231331U (en) * | 2013-02-19 | 2013-10-09 | 上海锅炉厂有限公司 | Nozzle capable of swinging laterally and adjustable in outlet area |
| CN205746814U (en) * | 2016-06-15 | 2016-11-30 | 辽宁春成矿山机械制造有限公司 | Spiral coal powder burner First air adjustment of blade angle device |
-
2020
- 2020-04-14 CN CN202010290241.XA patent/CN111425850B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693348Y (en) * | 2004-02-23 | 2005-04-20 | 陆云莺 | Air nozzle with wobbling in vertical and horizontal bi direction |
| US20130112120A1 (en) * | 2011-05-27 | 2013-05-09 | Yuehua Li | Dense Phase Swirl Pulverized Coal Burner |
| CN102913898A (en) * | 2012-10-16 | 2013-02-06 | 东方电气集团东方锅炉股份有限公司 | Over-fire air distribution manner in front and back wall opposed firing boiler |
| CN203231331U (en) * | 2013-02-19 | 2013-10-09 | 上海锅炉厂有限公司 | Nozzle capable of swinging laterally and adjustable in outlet area |
| CN205746814U (en) * | 2016-06-15 | 2016-11-30 | 辽宁春成矿山机械制造有限公司 | Spiral coal powder burner First air adjustment of blade angle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111425850B (en) | 2022-02-08 |
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