CN218544414U - Mixed cyclone flame stabilizing disc of low-nitrogen and ultra-low-nitrogen combustor - Google Patents
Mixed cyclone flame stabilizing disc of low-nitrogen and ultra-low-nitrogen combustor Download PDFInfo
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- CN218544414U CN218544414U CN202222833700.1U CN202222833700U CN218544414U CN 218544414 U CN218544414 U CN 218544414U CN 202222833700 U CN202222833700 U CN 202222833700U CN 218544414 U CN218544414 U CN 218544414U
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Abstract
The utility model discloses a mixed whirl of low nitrogen and ultra-low nitrogen combustor surely flame dish relates to the combustor field. The utility model provides a stable flame dish of mixed whirl of low nitrogen and ultra-low nitrogen combustor, includes annular disk body and combustor body, be equipped with outer circle body and inner circle body in the annular disk body, the combustor body is installed in the inner circle body, still includes: the annular disc body is positioned at the bottom of the outer ring body and is provided with a plurality of cyclone through openings at equal intervals on the circumference; the rotating rod is rotatably connected to the inner wall of one side of the rotational flow port; the utility model discloses can carry out nimble regulation to the inclination of whirl blade to air-out direction and the air outlet size of the adjustment whirl opening according to the operating mode adaptability of difference, thereby satisfy the operation requirement of different flame sizes, promoted the convenience and the regulation efficiency of whirl angle modulation, be suitable for and use widely.
Description
Technical Field
The utility model belongs to the technical field of the combustor, specifically speaking relates to a mixed whirl steady flame dish of low nitrogen and ultra-low nitrogen combustor.
Background
The mixed swirl flame stabilizing disc of the low-nitrogen and ultra-low-nitrogen combustor is an auxiliary device for swirl flame stabilization, and is generally arranged in a ventilation pipe of the combustor.
In the prior art, the application number is CN202020997380.1, the name is a low-nitrogen and ultra-low-nitrogen combustor mixed rotational flow flame stabilization disc, and the low-nitrogen and ultra-low-nitrogen combustor mixed rotational flow flame stabilization disc is disclosed, wherein when air passes through gaps of a plurality of groups of rotational flow blades, the air forms rotational flow due to the angles of the plurality of groups of rotational flow blades, the flowability is uniform, and the flame stabilization effect of the device is improved; the air inlet is arranged at the right end of the breather pipe, and the air outlet is arranged at the left end of the breather pipe; the exhaust pipe is characterized by further comprising a fixing plate, multiple groups of cyclone blades and an exhaust pipe, wherein the surface of the fixing plate is connected with the side wall in the vent pipe, the side ends of the multiple groups of cyclone blades are connected with the side wall of the fixing plate, the surface of the exhaust pipe is connected with the middle parts of the multiple groups of cyclone blades, and multiple groups of exhaust holes are formed in the surface of the multiple groups of cyclone blades.
Above-mentioned patent is through setting up the fixed plate, multiunit whirl blade and blast pipe, although can make the air pass through multiunit whirl blade's gap time, because of multiunit whirl blade's angle, make the air form the whirl, mobility is more unified, the steady flame effect of device has been improved, but whirl blade's inclination all is fixed, when the control of fuel ratio and amount of wind changes, often need to change the steady flame dish of adaptation, just can reach more excellent combustion effect, and just can change after need putting out a fire, in view of this the special proposition the utility model discloses a device is used to the gas turbine generator, the gas turbine generator is used for generating electricity.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, provides one kind and can overcome above-mentioned problem or solve the mixed whirl steady flame dish of low nitrogen and ultra-low nitrogen combustor of above-mentioned problem at least partially.
In order to solve the technical problem, the utility model adopts the following basic concept: the utility model provides a stable flame dish of mixed whirl of low nitrogen and ultra-low nitrogen combustor, includes annular disk body and combustor body, be equipped with outer circle body and inner circle body in the annular disk body, the combustor body is installed in the inner circle body, still includes: the annular disc body is positioned at the bottom of the outer ring body and is provided with a plurality of cyclone through openings at equal intervals on the circumference; the rotating rod is rotatably connected to the inner wall of one side of the rotational flow port; the swirl vanes are uniformly distributed on each swirl through hole and are fixedly connected with the adjacent rotating rods; one end of the rotating rod, which is far away from the inner ring body, penetrates through the annular disc body and is fixedly connected with a transmission gear; and the driving assembly is used for driving the transmission gear to rotate and is arranged on the annular disc body.
In order to facilitate the control whirl blade to carry out automatic regulation inclination, furtherly, drive assembly includes the annular circle, the annular circle rotates to be connected on the outer wall of annular disk body, one side that the annular circle is close to drive gear is the equidistant distribution of circumference and has a plurality of first tooth pieces, and is a plurality of first tooth piece links to each other with the drive gear meshing, the equidistant distribution of one side that first tooth piece was kept away from to the annular circle has a plurality of second tooth pieces, the meshing links to each other with drive gear on the second tooth piece, one side fixedly connected with drive shaft that annular disk body was kept away from to drive gear, drive gear's one end fixedly connected with driving motor is kept away from to the drive shaft, driving motor installs on the ventilation pipe.
In order to facilitate the stable rotation of the annular ring on the annular disc body, further, an annular slide rail is fixedly connected to the outer wall of the annular disc body at a position close to the annular ring, and the annular ring is slidably connected in the annular slide rail.
In order to protect the annular ring, the first tooth block, the transmission gear and the second tooth block, furthermore, an annular protection cover shell is fixedly connected to the outer wall of the annular disc body, and the annular ring and the transmission gear are arranged in the annular protection cover shell.
In order to facilitate the full contact between the fuel and the air, furthermore, a through hole is arranged between every two swirl through holes at the bottom of the annular disc body.
In order to avoid that the annular disc body, the rotating rod and the swirl vanes are burnt out by flame or damaged by high temperature because of being close to the flame, further, the surfaces of the annular disc body, the rotating rod and the swirl vanes are all provided with fireproof heat-insulating coatings.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has: the utility model discloses can carry out nimble regulation to the inclination of whirl blade to air-out direction and the air outlet size of the adjustment whirl opening according to the operating mode adaptability of difference, thereby satisfy the operation requirement of different flame sizes, promoted the convenience and the regulation efficiency of whirl angle modulation, be suitable for and use widely.
The following describes embodiments of the present invention in further detail with reference to the attached drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, the illustrative embodiments and the description of the invention serve to explain the invention without unduly limiting the invention. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic perspective view of a mixed swirl flame stabilizing disc of a low-nitrogen and ultra-low-nitrogen burner according to the present invention;
fig. 2 is a schematic three-dimensional structure diagram of a mixed swirl flame stabilizing disc of a low-nitrogen and ultra-low-nitrogen burner provided by the utility model;
fig. 3 is a schematic perspective view of an annular fluted disc, a transmission gear and a driving assembly in a mixed swirl flame stabilizing disc of a low-nitrogen and ultra-low-nitrogen burner provided by the utility model;
fig. 4 is a schematic structural view of a portion a in fig. 3 of a mixed swirl flow flame stabilizing disc for a low-nitrogen and ultra-low-nitrogen burner according to the present invention;
fig. 5 is an exploded schematic view of a transfer rod, swirl vanes, transmission gears and driving components in a low-nitrogen and ultra-low-nitrogen burner mixed swirl flame stabilization disk according to the present invention;
fig. 6 is the utility model provides a three-dimensional structure sketch map of annular disk body, whirl opening and annular slide rail in low nitrogen and the mixed whirl of ultralow nitrogen combustor steady flame dish.
In the figure: 1. an annular disc body; 101. an outer ring body; 102. an inner ring body; 103. a through hole; 104. an annular protective housing; 105. a rotational flow port; 106. an annular slide rail; 2. a burner body; 3. rotating the rod; 4. a swirl vane; 5. an annular ring; 6. a first tooth block; 7. a transmission gear; 8. a second tooth block; 9. a drive motor; 10. a drive shaft; 11. the gears are driven.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
Example 1:
referring to fig. 1-6, a mixed swirl flow flame stabilization disc for low-nitrogen and ultra-low-nitrogen burners comprises an annular disc body 1 and a burner body 2, wherein an outer ring body 101 and an inner ring body 102 are arranged in the annular disc body 1, and the burner body 2 is installed in the inner ring body 102 and further comprises: the annular disc body 1 is positioned at the bottom of the outer ring body 101 and is provided with a plurality of cyclone through holes 105 at equal intervals on the circumference; the rotating rod 3 is rotatably connected to the inner wall of one side of the rotational flow port 105; the swirl vanes 4 are uniformly distributed on each swirl through hole 105 and are fixedly connected with the adjacent rotating rods 3; one end of the rotating rod 3, which is far away from the inner ring body 102, penetrates through the annular disk body 1 and is fixedly connected with a transmission gear 7; the driving component is used for driving the transmission gear 7 to rotate and is arranged on the annular disc body 1;
drive assembly includes annular ring 5, annular ring 5 rotates to be connected on annular disk body 1's outer wall, annular ring 5 is that one side that is close to drive gear 7 has a plurality of first tooth pieces 6 of equidistant distribution of circumference, a plurality of first tooth pieces 6 link to each other with drive gear 7 meshing, annular ring 5 keeps away from one side equidistant distribution of first tooth piece 6 has a plurality of second tooth pieces 8, the meshing links to each other on the second tooth piece 8 has drive gear 11, one side fixedly connected with drive shaft 10 of annular disk body 1 is kept away from to drive gear 11, drive gear 11's one end fixedly connected with driving motor 9 is kept away from to drive shaft 10, driving motor 9 installs on the ventilation pipe.
Before low nitrogen and ultra-low nitrogen combustor put into use, at first install this whirl flame stabilization dish in the blast pipe of combustor, then install combustor body 2 in the inner circle body 102 of annular disk body 1 again, then restart driving motor 9, make driving motor 9 drive gear 11 through drive shaft 10 and rotate, drive gear 11 just can drive annular ring 5 through second tooth piece 8 and rotate, annular ring 5 rethread first tooth piece 6 drives drive gear 7 and rotates, then drive gear 7 alright drive whirl blade 4 through dwang 3 and rotate, thereby alright carry out corresponding regulation according to the ratio and the air volume of fuel, carry out corresponding regulation to the inclination of whirl blade 4, so that according to the air-out direction and the air outlet size of the adjustment whirl opening 105 of different operating mode adaptability, thereby satisfy the operation requirement of different flame sizes, the convenience and the regulation efficiency of whirl angle regulation have been promoted, be suitable for using widely.
Example 2:
referring to fig. 1-6, a low-nitrogen and ultra-low-nitrogen burner mixing swirl flame-stabilizing disk, substantially the same as in example 1, further comprising: the outer wall of the annular disc body 1 is fixedly connected with an annular slide rail 106 at a position close to the annular ring 5, the annular ring 5 is connected in the annular slide rail 106 in a sliding manner, and the annular ring 5 can stably rotate on the annular disc body 1 by arranging the annular slide rail 106 on the annular disc body 1, so that the stability of the annular ring 5 during rotation is improved;
the outer wall of the annular disc body 1 is fixedly connected with an annular protection housing 104, the annular ring 5 and the transmission gear 7 are both arranged in the annular protection housing 104, and through the arrangement of the annular protection housing 104, not only is the effect of protecting the annular ring 5, the first tooth block 6, the transmission gear 7 and the second tooth block 8 achieved, but also the rotational flow flame stabilizing disc is conveniently and stably arranged in the ventilation pipe;
through holes 103 are formed between every two swirl flow openings 105 at the bottom of the annular disc body 1, and through the through holes 103 formed between every two swirl flow openings 105 at the bottom of the annular disc body 1, when the annular disc body is put into use again, a secondary fuel pipe can be connected to a pipe for conveying fuel, and then the secondary fuel pipe is connected to the through holes 103, so that when gas is blown out through the swirl flow openings 105 and rotates in a swirl shape under the action of the swirl vanes 4, the fuel can be in full contact with air, and the full combustion of the fuel is further improved;
The utility model discloses a dwang 3, drive gear 7 and drive assembly's setting, when using, can adjust the inclination of whirl blade 4 to according to the air-out direction and the air outlet size of the adjustment whirl opening 105 of the operating mode adaptability of difference, thereby satisfy the operation requirement of different flame sizes, promoted the convenience and the regulation efficiency of whirl angle modulation, be suitable for and use widely.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (6)
1. The utility model provides a low nitrogen and mixed whirl of ultra-low nitrogen combustor surely flame dish, includes annular disk body (1) and combustor body (2), be equipped with outer circle body (101) and inner circle body (102) in annular disk body (1), install in inner circle body (102) combustor body (2), its characterized in that still includes:
the annular disc body (1) is positioned at the bottom of the outer ring body (101) and is provided with a plurality of cyclone through holes (105) at equal intervals on the circumference;
the rotating rod (3) is rotatably connected to the inner wall of one side of the rotational flow port (105);
the swirl blades (4) are uniformly distributed on each swirl through opening (105) and are fixedly connected with the adjacent rotating rods (3);
one end of the rotating rod (3), which is far away from the inner ring body (102), penetrates through the annular disc body (1) and is fixedly connected with a transmission gear (7);
and the driving assembly is used for driving the transmission gear (7) to rotate and is arranged on the annular disc body (1).
2. The low-nitrogen and ultra-low-nitrogen combustor mixing swirl flame-stabilizing disc of claim 1, wherein: drive assembly includes annular ring (5), annular ring (5) rotate to be connected on the outer wall of annular disk body (1), one side that annular ring (5) are close to drive gear (7) is that the equidistant distribution of circumference has a plurality of first tooth pieces (6), and is a plurality of first tooth piece (6) link to each other with drive gear (7) meshing, the equidistant distribution of one side that first tooth piece (6) were kept away from in annular ring (5) has a plurality of second tooth pieces (8), meshing links to each other on second tooth piece (8) has drive gear (11), one side fixedly connected with drive shaft (10) of annular disk body (1) are kept away from in drive gear (11), one end fixedly connected with driving motor (9) of drive gear (11) are kept away from in drive shaft (10), driving motor (9) are installed on the ventilation pipe.
3. The low-nitrogen and ultra-low-nitrogen combustor mixing swirl flame-stabilizing disc of claim 2, wherein: the outer wall of the annular disc body (1) is close to the annular ring (5) and is fixedly connected with an annular slide rail (106), and the annular ring (5) is slidably connected in the annular slide rail (106).
4. The low-nitrogen and ultra-low-nitrogen combustor mixing swirl flame-stabilizing disc of claim 2, wherein: the outer wall of the annular disc body (1) is fixedly connected with an annular protective cover shell (104), and the annular ring (5) and the transmission gear (7) are arranged in the annular protective cover shell (104).
5. The low-nitrogen and ultra-low-nitrogen combustor mixing swirl flame-stabilizing disc of claim 1, wherein: the bottom of the annular disc body (1) is positioned between every two swirl through openings (105) and is provided with a through hole (103).
6. The low-nitrogen and ultra-low-nitrogen combustor mixing swirl flame-stabilizing disc of claim 1, wherein: the surfaces of the annular disc body (1), the rotating rod (3) and the swirl vanes (4) are all provided with fireproof heat-insulating coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833700.1U CN218544414U (en) | 2022-10-27 | 2022-10-27 | Mixed cyclone flame stabilizing disc of low-nitrogen and ultra-low-nitrogen combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833700.1U CN218544414U (en) | 2022-10-27 | 2022-10-27 | Mixed cyclone flame stabilizing disc of low-nitrogen and ultra-low-nitrogen combustor |
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| Publication Number | Publication Date |
|---|---|
| CN218544414U true CN218544414U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222833700.1U Active CN218544414U (en) | 2022-10-27 | 2022-10-27 | Mixed cyclone flame stabilizing disc of low-nitrogen and ultra-low-nitrogen combustor |
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| Country | Link |
|---|---|
| CN (1) | CN218544414U (en) |
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- 2022-10-27 CN CN202222833700.1U patent/CN218544414U/en active Active
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