CN204756930U - Mix wind accuse wen wenyan dish - Google Patents
Mix wind accuse wen wenyan dish Download PDFInfo
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- CN204756930U CN204756930U CN201520539957.3U CN201520539957U CN204756930U CN 204756930 U CN204756930 U CN 204756930U CN 201520539957 U CN201520539957 U CN 201520539957U CN 204756930 U CN204756930 U CN 204756930U
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Abstract
The utility model belongs to the technical field of the steady flame of combustor technique and specifically relates to a mix wind accuse wen wenyan dish is related to. Steady flame dish is the funnel shape, and steady flame dish is gone up the layering and is set up a plurality of toper ventilation holes, arranging on steady flame dish of ventilation hole slope, heavy -calibre one side from the extremely steady flame dish in small -bore one side of steady flame dish, the hole area of ventilation hole air -out side changes from small to big gradually, and the inclination in the hole that just ventilates is crescent. And through the distance of adjusting steady flame dish and nozzle install frame, make the jet exit stretch into in the steady flame dish and basic and steady flame coils the ventilation hole parallel and level of low layer. The utility model discloses a to the shape in ventilation hole and arrangement form's improvement, make that to mix wind even reasonable, the whirl is effectual, and the burning is abundant, reduces and discharges, adopt the layering to mix the wind burning, the burning shape and the temperature of flame are easily controlled, adjusted steady flame dish and for the position of nozzle, made steady flame dish form the protection to jet exit department, ensured flame and can do not not blown out.
Description
Technical field
The utility model relates to the steady flame technical field of combustor, especially relates to a kind of mixed wind temperature control stable flame pan.
Background technology
Burner is the same city of device making combustion gas or atomized fuel and air spray mixing (or mixing ejection) in a certain way to burn, and is widely used in family or industrial production.A stable flame pan can be set at each nozzle place of combustor, make combustion gas and air in combustor external mixing and burn simultaneously, and assisting the better flame shape of acquisition and stablizing when keeping flame combustion.
Now stable flame pan commercially, adopts wedge shape air outlet more, and stable flame pan is more flat, distant between nozzle and stable flame pan.
There is following shortcoming in this stable flame pan:
(1) air outlet is less, and single air outlet is comparatively large, makes air-out concentrate on several air outlet place, there is the problem that mixed wind is uneven;
(2) when the environment of combustor external is unstable, as excessive in flow-disturbing or pressure in the burner hearth is too high, the mixed proportion of combustion gas and air and the smooth discharge of waste gas can be had influence on, thus cause burner oscillatory combustion and easily stop working;
(3) protection is lacked around nozzle, when near nozzle, air quantity is excessive, easy flame blow-off;
(4) height of stable flame pan is less, and it is single that its top eddy flow mixes wind distribution, can not ensure that the oxygen in combustion gas and air fully mixes, and does not meet flame in the demand of differing heights burning to oxygen; Combustion gas is under the drive of air-flow, and still imperfect combustion just outflow fast, cause burning insufficient, temperature is too high, adds waste emission amount.
Utility model content
The purpose of this utility model is to provide a kind of mixed wind temperature control stable flame pan, and to solve, the mixed wind existed in prior art is uneven, uneven and that temperature is high technical problem of burning.
The one that the utility model provides mixes wind temperature control stable flame pan, and its profile is truncated cone, stable flame pan is arranged multiple air vent;
What described air vent tilted is arranged on stable flame pan;
From the small-bore side of stable flame pan to the heavy caliber side of stable flame pan, the hole area of described air vent air side changes from small to big gradually.
Instead of traditional wedge shape air outlet or bar shaped air outlet by the structure of taper air vent, what air vent can be arranged is more intensive, even, comprehensively can cover the regional of flame, and promotion combustion gas mixes with air.
Stable flame pan is funnel shaped, more traditional disk-shaped structure, and its length in flame combustion direction is larger, can provide more mixed wind space.
Air vent increases gradually along flame combustion direction, and air output is increased gradually, ensures that fuel gas buring is complete, control combustion temperature stabilization and can not too high (flame combustion temperature is high easily forms a large amount of harmful nitrogen oxide with 900 DEG C).
Further, described air vent all tilts to the same side of the stable flame pan longitudinal section of its position, and partial ventilation hole is simultaneously to the bigbore lopsidedness of stable flame pan.
The air-out direction of air vent is basically identical, can form the spirality eddy flow of diameter flaring, and promotion combustion gas mixes with air.
Further, from the small-bore side of stable flame pan to the bigbore side of stable flame pan, the angle of the stable flame pan longitudinal section of air vent and its position increases gradually, and the angle of air vent and stable flame pan cross section increases gradually.
Further, the angle of the stable flame pan longitudinal section of described air vent and its position is 15 ° ~ 75 °, and the angle of described air vent and stable flame pan cross section is θ/2 ~ (θ/2+45 °), and wherein θ is the coning angle of stable flame pan.
The angle of inclination of air vent increases gradually, and eddy flow is partial to the side away from nozzle installing rack gradually, considerably increases mixed wind region, and the diameter of flame is increased, and burning height reduction, reduces flame temperature while sufficient combustion.
Further, described air vent is round taper hole or pyramid hole, and from the inlet side of air vent to air side, the cross-sectional area of air vent increases gradually.
The shape of air vent can need to arrange voluntarily according to processing.
Further, the diameter of a small-bore side opening of described stable flame pan is slightly larger than installed nozzle od.
Distance between nozzle and stable flame pan is less, can prevent outer gas stream on nozzle place gas-flow to impact, prevent flame from being blown out.
Further, described air vent distributes at the axis direction higher slice of stable flame pan, and each layer air vent is evenly distributed in a circumferential direction.
The layer distributed mode of air vent, can make flame separate burn, and has a mind to control the little air capacity of orlop and forms burn incompletely, form a large amount of fuel gas CO; In position on the middle and senior level, strengthen mixed air quantity, allow fuel or the combustible such as combustion gas, CO mix further with air, can Thorough combustion, reduction toxic emission, and reach the object of control combustion temperature in combustion process
Further, described mixed wind temperature control stable flame pan also comprises: be arranged on the wedge shape air outlet on stable flame pan; Described air vent is positioned at the region near the small-bore side of stable flame pan, and described wedge shape air outlet is positioned at the region near stable flame pan heavy caliber side; And the air-out direction of described wedge shape air outlet is consistent with the air-out direction of described ventilating opening.
Taper air vent is combined with traditional wedge shape ventilating opening, further improves the height of stable flame pan, strengthen mixed wind region, ensure that the burning of combustion gas or atomized fuel is complete.Due in taper air vent section, combustion gas is burnt completely substantially, and back segment adopts wedge shape air outlet to reduce production cost, realizes larger mixed air quantity simultaneously.
Further, described mixed wind temperature control stable flame pan also comprises: many links; The edge of described link and stable flame pan heavy caliber side is affixed, and vertically extends to the small-bore side of stable flame pan.
Further, described mixed wind temperature control stable flame pan also comprises: the nozzle installing rack affixed with described link lower end; Nozzle installing rack and stable flame pan are coaxially arranged, and stable flame pan is near one deck air vent of nozzle installing rack and the distance of the nozzle installing rack outermost end length slightly larger than the nozzle that will install.
Stable flame pan and nozzle installing rack are Split type structure, the convenient position regulating nozzle, and the combustion gas that nozzle can be made to spray or atomized fuel can mix with air in the very first time, improve mixed wind quality further, can also prevent flame from can not be blown out simultaneously.
The beneficial effects of the utility model are:
It is evenly reasonable that the utility model mixes wind, and eddy flow is effective, sufficient combustion, reduces discharge; Adopt layering to mix wind control combustion, burn profile and the temperature of flame are controlled; Protection can be formed to nozzle exit, guarantee that flame can not be blown out.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view of the mixed wind temperature control stable flame pan that Fig. 1 provides for the utility model embodiment one;
Fig. 2 is the top view of the mixed wind temperature control stable flame pan shown in Fig. 1;
Fig. 3 is the structural representation of conical air vent;
Fig. 4 is mixed wind temperature control stable flame pan longitudinal section sectional view;
Fig. 5 is the A-A face sectional view of Fig. 1;
Fig. 6 is the top view of nozzle installing rack;
Fig. 7 is the installation site schematic diagram of stable flame pan and nozzle installing rack;
The front view of the mixed wind temperature control stable flame pan that Fig. 8 provides for the utility model embodiment two;
Fig. 9 is the top view of the mixed wind temperature control stable flame pan shown in Fig. 8;
Reference numeral:
1-stable flame pan; 2-nozzle installing rack; 3-air vent;
4-link; 5-nozzle; 6-installation panel;
7-wedge shape ventilating opening.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The mixed wind temperature control stable flame pan that the utility model provides, its shape is truncated cone (i.e. infundibulate), and on the sidewall of stable flame pan, arrange multiple taper air vent; What air vent tilted is arranged on stable flame pan, and from the small-bore side of stable flame pan to the heavy caliber side of stable flame pan, the hole area of described air vent air side changes from small to big gradually.
Instead of traditional wedge shape air outlet or bar shaped air outlet by the structure of taper air vent, what air vent can be arranged is more intensive, even, comprehensively can cover the regional of flame, and promotion combustion gas mixes with air.
Stable flame pan is funnel shaped, more traditional disk-shaped structure, and its length in flame combustion direction is larger, can provide more mixed wind space.
Air vent increases gradually along flame combustion direction, and air output is increased gradually, ensures that fuel gas buring is complete, control combustion temperature stabilization and can not be too high.
The front view of the mixed wind temperature control stable flame pan that Fig. 1 provides for the utility model embodiment one; Fig. 2 is the top view of the mixed wind temperature control stable flame pan shown in Fig. 1; Fig. 3 is the structural representation of conical air vent; Fig. 4 is mixed wind temperature control stable flame pan longitudinal section sectional view; Fig. 5 is the A-A face sectional view of Fig. 1.Mixed wind temperature control stable flame pan as shown in Figures 1 to 5, comprises stable flame pan 1, air vent 3 and link 4.
Air vent 3 on stable flame pan 1 adopts the mode of layered arrangement, and each layer air vent 3 is uniformly distributed in a circumferential direction.In the present embodiment, air vent 3 is divided into 4 layers.
In order to form spiral whirlwind, the air-out direction of all air vents 3 should be consistent substantially, and such as, all to left side or the right side inclination of the stable flame pan longitudinal section of its position, and air vent 3 is simultaneously to the bigbore lopsidedness of stable flame pan 1.
As shown in Figure 4 and Figure 5, from the small-bore side of stable flame pan 1 to the heavy caliber side of stable flame pan 1, air vent 3 increases gradually with the angle β of the stable flame pan longitudinal section of its position, and air vent 3 increases gradually with the angle (α+θ/2) of stable flame pan cross section, wherein, θ is the coning angle of stable flame pan 1, is certain value, therefore increases the angle of air vent 3 and stable flame pan cross section by increasing α.
The angle of inclination of air vent increases gradually, and eddy flow is partial to the bigbore side of stable flame pan gradually, considerably increases mixed wind region, and the diameter of flame is increased, and burning height reduction, reduces flame temperature while sufficient combustion.
And the air vent 3 in the present embodiment is round taper hole, from the inlet side of air vent 3 to air side, the diameter of air vent 3 increases gradually.
In preferred scheme, the circle air vent 3 set near nozzle installing rack 2 is first lap air vent, be followed successively by outside it second, third, the 4th circle air vent.
First lap air vent, ∠ α is 0, ∠ β is 15 °; The air inlet diameter of first lap air vent is 1mm, and air outlet diameter is 1.5mm.
Second circle air vent, ∠ α is 15 °, and ∠ β is 35 °; The air inlet diameter of the second circle air vent is 1.2mm, and air outlet diameter is 2mm.
3rd circle air vent, ∠ α is 30 °, and ∠ β is 55 °; The air inlet diameter of the second circle air vent is 1.5mm, and air outlet diameter is 2.5mm.
4th circle air vent, ∠ α is 45 °, and ∠ β is 75 °; The air inlet diameter of the second circle air vent is 2mm, and air outlet diameter is 3mm.
Each circle air vent 3 can arrange by consistency from top to bottom, also can be staggered; The concrete number of turns of air vent 3 also can be arranged as required voluntarily.
The layer distributed mode of air vent 3, increases aperture and angle of inclination gradually, flame-shaped component layer can be made to burn.The combustion gas at nozzle place is insufficient owing to burning, and can form a large amount of CO; And existing stable flame pan is individual layer burning, lack mixed wind height, CO and some residual combustion gas can be made as toxic emission.And in the utility model, in the short transverse of flame, all there is air vent, especially in position on the middle and senior level, the aperture of air vent becomes large, can strengthen mixed air quantity, make it front imperfect combustion combustion gas, CO mixes further with air, realize Thorough combustion, reduce toxic emission.
The affixed many links 4 of heavy caliber side edge of stable flame pan 1, link 4 vertically extends to the small-bore side of stable flame pan 1, and the installation for stable flame pan 1 is fixed.
Fig. 4 is the top view of nozzle installing rack; Fig. 5 is the installation site schematic diagram of stable flame pan and nozzle installing rack.
Nozzle installing rack 2 has multiple connecting rod, and the end of each connecting rod is connected by pin with the end of link 4, makes nozzle installing rack 2 and stable flame pan 1 coaxially arranged.
During installation, stable flame pan 1 is fixed on the top of the installation panel 6 of burner by link 4, nozzle installing rack 2 is fixed on the bottom of installation panel 6.By regulating the distance between nozzle installing rack 2 and stable flame pan 1, make the spout of nozzle 5 a little less than the height of the minimum one deck air vent 3 of stable flame pan 1, the combustion gas that nozzle 5 is sprayed can mix with air in the very first time, improves mixed wind quality further, can also prevent flame from can not be blown out simultaneously.
The front view of the mixed wind temperature control stable flame pan that Fig. 6 provides for the utility model embodiment two; Fig. 7 is the top view of the mixed wind temperature control stable flame pan shown in Fig. 6.Mixed wind temperature control stable flame pan as shown in Figure 6 and Figure 7, also comprises wedge shape ventilating opening 7.
On the basis of embodiment one, the present embodiment is also provided with wedge shape ventilating opening 7 on stable flame pan 1.The air vent 3 of described taper is positioned at the region near the small-bore side of stable flame pan 1, and described wedge shape ventilating opening 7 is positioned at the region near stable flame pan 1 heavy caliber side; And the air-out direction of described wedge shape ventilating opening 7 is consistent with the air-out direction of the air vent 3 of described taper.
Taper air vent is combined with traditional wedge shape ventilating opening, further improves the height of stable flame pan, strengthen mixed wind region, ensure that the burning of combustion gas is complete.Due in taper air vent section, combustion gas is burnt completely substantially, and back segment adopts wedge shape air outlet to reduce production cost, realizes larger mixed air quantity simultaneously.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a mixed wind temperature control stable flame pan, is characterized in that,
Described stable flame pan is truncated cone, stable flame pan is arranged multiple air vent;
What described air vent tilted is arranged on stable flame pan;
From the small-bore side of stable flame pan to the heavy caliber side of stable flame pan, the hole area of described air vent air side changes from small to big gradually.
2. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, described air vent all tilts to the same side of the stable flame pan longitudinal section of its position, and partial ventilation hole is simultaneously to the bigbore lopsidedness of stable flame pan.
3. mixed wind temperature control stable flame pan according to claim 2, it is characterized in that, from the small-bore side of stable flame pan to the bigbore side of stable flame pan, the angle of the stable flame pan longitudinal section of air vent and its position increases gradually, and the angle of air vent and stable flame pan cross section increases gradually.
4. mixed wind temperature control stable flame pan according to claim 3, it is characterized in that, the angle of the stable flame pan longitudinal section of described air vent and its position is 15 ° ~ 75 °, the angle of described air vent and stable flame pan cross section is θ/2 ~ (θ/2+45 °), and wherein θ is the coning angle of stable flame pan.
5. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, described air vent is round taper hole or pyramid hole, and from the inlet side of air vent to air side, the cross-sectional area of air vent increases gradually.
6. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, the diameter of a small-bore side opening of described stable flame pan is slightly larger than installed nozzle od.
7. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, described air vent distributes at the axis direction higher slice of stable flame pan, and each layer air vent is evenly distributed in a circumferential direction.
8. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, also comprise: be arranged on the wedge shape air outlet on stable flame pan; Described air vent is positioned at the region near the small-bore side of stable flame pan, and described wedge shape air outlet is positioned at the region near stable flame pan heavy caliber side; And the air-out direction of described wedge shape air outlet is consistent with the air-out direction of described ventilating opening.
9. mixed wind temperature control stable flame pan according to claim 1, is characterized in that, also comprise: many links; The edge of described link and stable flame pan heavy caliber side is affixed, and vertically extends to the small-bore side of stable flame pan.
10. mixed wind temperature control stable flame pan according to claim 9, is characterized in that, also comprise: the nozzle installing rack affixed with described link lower end; Nozzle installing rack and stable flame pan are coaxially arranged, and stable flame pan is near one deck air vent of nozzle installing rack and the distance of the nozzle installing rack outermost end length slightly larger than the nozzle that will install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539957.3U CN204756930U (en) | 2015-07-23 | 2015-07-23 | Mix wind accuse wen wenyan dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539957.3U CN204756930U (en) | 2015-07-23 | 2015-07-23 | Mix wind accuse wen wenyan dish |
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| Publication Number | Publication Date |
|---|---|
| CN204756930U true CN204756930U (en) | 2015-11-11 |
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ID=54471633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520539957.3U Active CN204756930U (en) | 2015-07-23 | 2015-07-23 | Mix wind accuse wen wenyan dish |
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| CN (1) | CN204756930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255278A (en) * | 2017-07-21 | 2017-10-17 | 东北大学 | A kind of joint-cutting eddy flow low nitrogen oxide burner |
| CN110345479A (en) * | 2019-07-12 | 2019-10-18 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
-
2015
- 2015-07-23 CN CN201520539957.3U patent/CN204756930U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255278A (en) * | 2017-07-21 | 2017-10-17 | 东北大学 | A kind of joint-cutting eddy flow low nitrogen oxide burner |
| CN107255278B (en) * | 2017-07-21 | 2019-04-05 | 东北大学 | A kind of joint-cutting eddy flow low nitrogen oxide burner |
| CN110345479A (en) * | 2019-07-12 | 2019-10-18 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
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