CN204730204U - A kind of three grades of twofold whirl flame plates - Google Patents
A kind of three grades of twofold whirl flame plates Download PDFInfo
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- CN204730204U CN204730204U CN201520485623.2U CN201520485623U CN204730204U CN 204730204 U CN204730204 U CN 204730204U CN 201520485623 U CN201520485623 U CN 201520485623U CN 204730204 U CN204730204 U CN 204730204U
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- deflector
- planar circular
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Abstract
The utility model discloses a kind of three grades of twofold whirl flame plates, it comprises the first axial annulus and the second axial annulus, the first deflector is provided with between first axial annulus and the second axial annulus, the outside of the second axial annulus is provided with the first planar circular, the second planar circular and the 3rd planar circular, be provided with the second deflector between first planar circular and the second planar circular, between the second planar circular and the 3rd planar circular, be provided with the 3rd deflector.By arranging three grades of deflectors, by the corner dimension between the first deflector and axial annulus cross section to the turning effort of air, second deflector and the corner dimension of the 3rd deflector respectively and between planar circular cross section are to the turning effort of air, can guarantee that fuel is more abundant with mixing of air by the flow rotation of different levels, thus ensure that fuel can Thorough combustion, reduce the discharge of the pollutants such as nitrogen oxides in effluent, improve efficiency of combustion.The utility model is applicable in burner.
Description
Technical field
The utility model relates to a kind of flame plate in burner research field, particularly a kind of three grades of twofold whirl flame plates.
Background technology
Flame plate is the important composition parts of burner, and it is positioned at the inside of combustion barrel, in order to adjustment and stable wind speed, generation rough air, fuel and air is fully mixed, makes flameholding with abundant, and make flame reach predetermined shape.
At present, the flame plate generally used in burner generally has two kinds:
One evenly opens a lot of aperture on one piece of circular flat board, and coordinate blast pipe to reaching the object of air distribution.But its air flow is axially parallel with flame plate, and the circular dull and stereotyped function that mist is concentrated that also do not possess, therefore fuel is relative with the mixability of air poor, and then causes at high temperature because the oxygen supply in combustion flame is not enough, flame is shorter, and produces chemically incomplete combustion.
Another kind is that bending goes out multiple equidirectional swash plate on circular flat board, forms an angle with flame plate planar shaped, increases air rotation dynamics, the object of abundant fuel combination to reaching.Although increase swash plate contribute to air rotate, its guide functions is too single, cause the air anglec of rotation inconvenience control and spin intensity excessive, be difficult to the needs meeting different model machine and different operating mode.
Utility model content
The purpose of this utility model, be to provide one can abundant air distribution, air can be made again to produce three grades of twofold whirl flame plates of reasonable turning effort, it is beneficial to the abundant mixing of fuel and air, so that flame profile when making burning meets the requirements, burning is also more abundant, and then reaches the object of low NOx and low fume emission.
The solution that the utility model solves its technical problem is: a kind of three grades of twofold whirl flame plates, it comprises the first axial annulus and the second axial annulus, multi-disc first deflector is provided with between described first axial annulus and the second axial annulus, the outside of described second axial annulus is provided with the first planar circular, the second planar circular and the 3rd planar circular that increase progressively highly successively, be provided with multi-disc second deflector between described first planar circular and the second planar circular, between described second planar circular and the 3rd planar circular, be provided with multi-disc the 3rd deflector.
As the further improvement of technique scheme, the angle between the cross section of the second deflector and the first planar circular described in every sheet is all equal, and the span of the angle between the cross section of the second deflector and the first planar circular is 5 ° ~ 10 °.
As the further improvement of technique scheme, the angle described in every sheet between the 3rd deflector and the cross section of the second planar circular is all equal, and the span of the angle between the 3rd deflector and the cross section of the second planar circular is 5 ° ~ 10 °.
As the further improvement of technique scheme, the angle between the cross section of the first deflector described in every sheet and the first axial annulus is all equal, and the span of the angle between the cross section of the first deflector and the first axial annulus is 35 ° ~ 45 °.
As the further improvement of technique scheme, the end face of described second axial annulus and the end face of the first planar circular in the same plane, described second axial annulus and the first planar circular integrally welded.
As the further improvement of technique scheme, the end face of described first axial annulus and the end face of the second axial annulus in the same plane.
As the further improvement of technique scheme, described first planar circular is provided with multiple first pore, the axis of described first pore is parallel with the axis of the first axial annulus, described second planar circular is provided with multiple second pore, and the axis of described second pore is parallel with the axis of the first axial annulus.
As the further improvement of technique scheme, gap described in adjacent two panels between the first deflector forms the first gap angle, gap described in adjacent two panels between the second deflector forms the second gap angle, gap described in adjacent two panels between the 3rd deflector forms third space angle, described first gap angle, the second gap angle are all equal with third space angle, and the span of the first gap angle, the second gap angle and third space angle is 5 ° ~ 10 °.
The beneficial effects of the utility model are: the utility model is by arranging three grades of deflectors, it is respectively the first deflector, second deflector and the 3rd deflector, by the corner dimension between the first deflector and axial annulus cross section to the turning effort of air, second deflector and the corner dimension of the 3rd deflector respectively and between planar circular cross section are to the turning effort of air, after triplicity, can guarantee that fuel is more abundant with mixing of air by the flow rotation of different levels, combustion flame shape also more meets the requirements, thus ensure that fuel can Thorough combustion, reduce the discharge of the pollutants such as nitrogen oxides in effluent, improve efficiency of combustion.The utility model is applicable in burner.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, instead of whole embodiment, and those skilled in the art, under the prerequisite not paying creative work, can also obtain other designs and accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is side sectional view of the present utility model.
Detailed description of the invention
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.
With reference to Fig. 1 ~ Fig. 3, a kind of three grades of twofold whirl flame plates, it comprises the first axial annulus 1 and the second axial annulus 2, multi-disc first deflector 3 is provided with between described first axial annulus 1 and the second axial annulus 2, the outside of described second axial annulus 2 is provided with the first planar circular 4, second planar circular 6 and the 3rd planar circular 8 that increase progressively highly successively, be provided with multi-disc second deflector 5 between described first planar circular 4 and the second planar circular 6, between described second planar circular 6 and the 3rd planar circular 8, be provided with multi-disc the 3rd deflector 7.
By three grades of deflectors, it is respectively the first deflector 3, second deflector 5 and the 3rd deflector 7, and the angle wherein between the first deflector 3 and the first axial annulus 1 cross section is comparatively large, stronger to the turning effort of air; Second deflector 5 and the angle of the 3rd deflector 7 respectively and between planar circular cross section less, lower to the turning effort of air, can guarantee that fuel is more abundant with mixing of air by the flow rotation of different levels, combustion flame shape also more meets the requirements, thus ensure that fuel can Thorough combustion, reduce the discharge of the pollutants such as nitrogen oxides in effluent, improve efficiency of combustion.The utility model is applicable in burner.
Be further used as preferred embodiment, the angle described in every sheet between the second deflector 5 and the cross section of the first planar circular 4 is all equal, and the span of the angle between the second deflector 5 and the cross section of the first planar circular 4 is 5 ° ~ 10 °.Angle between second deflector 5 and the first planar circular 4 cross section is less, lower to the turning effort of air.
Be further used as preferred embodiment, the angle described in every sheet between the 3rd deflector 7 and the cross section of the second planar circular 6 is all equal, and the span of the angle between the 3rd deflector 7 and the cross section of the second planar circular 6 is 5 ° ~ 10 °.Angle between 3rd deflector 7 and the second planar circular 6 cross section is less, lower to the turning effort of air.
Be further used as preferred embodiment, the angle described in every sheet between the first deflector 3 and the cross section of the first axial annulus 1 is all equal, and the span of the angle between the first deflector 3 and the cross section of the first axial annulus 1 is 35 ° ~ 45 °.Angle between first deflector 3 and the first axle annulus cross section is comparatively large, stronger to the turning effort of air.
Be further used as preferred embodiment, the end face of described second axial annulus 2 and the end face of the first planar circular 4 in the same plane, described second axial annulus 2 and the first planar circular 4 integrally welded.
Be further used as preferred embodiment, the end face of described first axial annulus 1 and the end face of the second axial annulus 2 in the same plane.
Be further used as preferred embodiment, described first planar circular 4 is provided with multiple first pore 9, the axis of described first pore 9 is parallel with the axis of the first axial annulus 1, described second planar circular 6 is provided with multiple second pore 10, and the axis of described second pore 10 is parallel with the axis of the first axial annulus 1.The flow direction of the air passed through in the first pore 9 and the second pore 10 is parallel to the axis of the first axial annulus 1, can play and both increase throughput, can weaken flow rotation intensity again, have more perfect regulating action to the rotation of air.
Be further used as preferred embodiment, gap described in adjacent two panels between the first deflector 3 forms the first gap angle, gap described in adjacent two panels between the second deflector 5 forms the second gap angle, gap described in adjacent two panels between the 3rd deflector 7 forms third space angle, described first gap angle, the second gap angle are all equal with third space angle, and the span of the first gap angle, the second gap angle and third space angle is 5 ° ~ 10 °.
More than that better embodiment of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. three grades of twofold whirl flame plates, it is characterized in that: it comprises the first axial annulus and the second axial annulus, multi-disc first deflector is provided with between described first axial annulus and the second axial annulus, the outside of described second axial annulus is provided with the first planar circular, the second planar circular and the 3rd planar circular that increase progressively highly successively, be provided with multi-disc second deflector between described first planar circular and the second planar circular, between described second planar circular and the 3rd planar circular, be provided with multi-disc the 3rd deflector.
2. three grades of twofold whirl flame plates according to claim 1, it is characterized in that: the angle described in every sheet between the second deflector and the cross section of the first planar circular is all equal, and the span of the angle between the cross section of the second deflector and the first planar circular is 5 ° ~ 10 °.
3. three grades of twofold whirl flame plates according to claim 1, it is characterized in that: the angle described in every sheet between the 3rd deflector and the cross section of the second planar circular is all equal, and the span of the angle between the 3rd deflector and the cross section of the second planar circular is 5 ° ~ 10 °.
4. three grades of twofold whirl flame plates according to claim 1, it is characterized in that: the angle described in every sheet between the first deflector and the cross section of the first axial annulus is all equal, and the span of the angle between the cross section of the first deflector and the first axial annulus is 35 ° ~ 45 °.
5. three grades of twofold whirl flame plates according to claim 1, is characterized in that: the end face of described second axial annulus and the end face of the first planar circular in the same plane, described second axial annulus and the first planar circular integrally welded.
6. three grades of twofold whirl flame plates according to claim 1, is characterized in that: the end face of described first axial annulus and the end face of the second axial annulus in the same plane.
7. three grades of twofold whirl flame plates according to claim 1, it is characterized in that: described first planar circular is provided with multiple first pore, the axis of described first pore is parallel with the axis of the first axial annulus, described second planar circular is provided with multiple second pore, and the axis of described second pore is parallel with the axis of the first axial annulus.
8. three grades of twofold whirl flame plates according to claim 1, it is characterized in that: the gap described in adjacent two panels between the first deflector forms the first gap angle, gap described in adjacent two panels between the second deflector forms the second gap angle, gap described in adjacent two panels between the 3rd deflector forms third space angle, described first gap angle, the second gap angle are all equal with third space angle, and the span of the first gap angle, the second gap angle and third space angle is 5 ° ~ 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485623.2U CN204730204U (en) | 2015-07-06 | 2015-07-06 | A kind of three grades of twofold whirl flame plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485623.2U CN204730204U (en) | 2015-07-06 | 2015-07-06 | A kind of three grades of twofold whirl flame plates |
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| CN204730204U true CN204730204U (en) | 2015-10-28 |
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| CN201520485623.2U Active CN204730204U (en) | 2015-07-06 | 2015-07-06 | A kind of three grades of twofold whirl flame plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296409A (en) * | 2018-03-23 | 2019-10-01 | 宁波方太厨具有限公司 | A kind of external ring fire cover of gas burner |
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2015
- 2015-07-06 CN CN201520485623.2U patent/CN204730204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296409A (en) * | 2018-03-23 | 2019-10-01 | 宁波方太厨具有限公司 | A kind of external ring fire cover of gas burner |
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| GR01 | Patent grant |