CN209458948U

CN209458948U - A kind of air-heating burner

Info

Publication number: CN209458948U
Application number: CN201821857629.8U
Authority: CN
Inventors: 代森伟; 孙仁权; 任转波; 李锋
Original assignee: Anderson Heat Energy Science And Technology (suzhou) Co Ltd
Current assignee: Anderson Heat Energy Science And Technology (suzhou) Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2019-10-01
Anticipated expiration: 2028-11-12

Abstract

The utility model provides a kind of air-heating burner, comprising: the one side of air duct, air chamber and burner body, the burner body is equipped with multiple gas outlet holes and first air-outlet aperture parallel with gas outlet hole；Wind deflector is equipped at the connector of the air duct and air chamber；Cowling panel is equipped in the watertight aircase room；The port of burner is equipped with aero panel, and the aero panel is equipped with multiple second air-outlet apertures.Wind deflector transduces in combustion air flowing direction 90 degree, and cowling panel beats combustion air, then is further flowed to combustion air through aero panel, and combustion air is evenly supplied to combustion zone, it is ensured that the uniform full combustion of entire burner improves efficiency of combustion；First air-outlet aperture of gas outlet hole two sides provides twice air stream, improves air mixed effect, while a protective layer is formed between flame and aero panel, prevents from overheating.

Description

A kind of air-heating burner

Technical field

The utility model relates to field of combustion technology, and in particular to a kind of air-heating burner.

Background technique

Air-heating burner generally comprises burner body and surrounds the air chamber of burner body, in burner master It is passed through natural gas in vivo, is passed through combustion air in watertight aircase room.Existing air-heating burner is due to watertight aircase cell structure It is unreasonable, it is easy to cause burning uneven, cause burner side natural gas superfluous.Especially for large-scale combustors, it is easier to The shunting for generating combustion air is uneven, causes a large amount of carbon distributions in part to be trapped in the inside of burner, affects the combustion of burner Burn efficiency.

Utility model content

In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of heating of air to burn Device.

In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of air adds Heat combustor, comprising:

Air duct, tail end are equipped with combustion air inlet；

Air chamber is connected with the air duct；

Burner body is hollow tube, and the burner body is arranged in the watertight aircase room, the burner The end of main body is equipped with gas inlet, and the one side of the burner body is equipped with multiple gas outlet holes, and the combustion gas goes out Side where oral pore has the alar part extended along in-plane to air chamber, and the alar part has multiple first air outlet slits Hole；

Wind deflector is vertically arranged at the connector of the air duct and the air chamber；

Cowling panel is arranged in the watertight aircase room, and the cowling panel is equipped with multiple rectification holes；

Aero panel, one side is connected to the alar part of the burner body, and is tiltedly flared out from the alar part, another Side is connect with air chamber, and the aero panel is equipped with multiple second air-outlet apertures.

Compared to the prior art, wind deflector transduces in combustion air flowing direction 90 degree to the utility model, and cowling panel is beaten Combustion air, then further combustion air is flowed through aero panel, combustion air is evenly supplied to combustion zone, it is ensured that The uniform full combustion of entire burner, improves efficiency of combustion；It is empty that first air-outlet aperture of gas outlet hole two sides provides twice Air-flow improves air mixed effect, while a protective layer is formed between flame and aero panel, prevents from overheating.

Further, the burner body has the closing in inclined plane part gradually inside contracted outward and the closing on cross section Inclined plane part mouth holds straight outwardly extending rectangle cavity portion level with both hands, and the gas outlet hole is communicated to the middle position of the rectangle cavity portion.

Further, the gas flow speed in the gas outlet hole is 20-120m/s.

Using the above preferred scheme, natural gas is flowed out along closing in inclined plane part, and velocity-stabilization is promoted, and rectangle cavity portion makes flame Energy high velocity vertical sprays outward in side, is conducive to the stabilization for keeping flame.

Further, first air-outlet aperture is parallel with the gas outlet hole, first air-outlet aperture Diameter is greater than the gas outlet bore dia, and the diameter of first air-outlet aperture is φ 2- φ 6mm.

Using the above preferred scheme, the mixed effect of combustion air and natural gas is further increased.

Further, the wind deflector have planar portions parallel with combustion air approach axis in the air duct and The curved face part extended from the planar portions to the air chamber.

Using the above preferred scheme, wind deflector can reduce windage, and combustion air is promoted steadily to be diverted to air chamber Rear end.

Further, the perforated area of rectification hole is 30%-80% on the cowling panel.

Further, the density of combustion air inlet region rectification hole described in face is less than the region two on the cowling panel The density of side rectification hole.

Using the above preferred scheme, combustion air is further increased in the indoor distribution consistency degree of watertight aircase.

Further, the cowling panel is fixedly connected on the burner body in the side of the combustion air inlet side On face.

Using the above preferred scheme, the heat of burner body can be thermally conducted to cowling panel, then cold through combustion air But, by combustion air also preheated, improve combustion stability.

Further, the aero panel, which has, flows out direction into first angle with natural gas in the burner body Inclined plane part and with the vertical vertical component effect in natural gas outflow direction, be all provided with the second air outlet slit on the inclined plane part and vertical component effect Hole.

Further, it is 10-20 ° that the inclined plane part and natural gas, which flow out first angle formed by direction,.

Using the above preferred scheme, preferred air outflow angle is provided, flame is more stable, and efficiency of combustion mentions significantly It is high.

Further, the burner body is combined into latticed shape, and the air chamber is also set at latticed enclose The burner body.

Using the above preferred scheme, especially suitable for large-scale combustors, the heated uniformity in heat affected zone is improved, is saved Energy consumption.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；

Fig. 2 is a kind of structural schematic diagram of embodiment of the utility model；

Fig. 3 is the structural schematic diagram of the utility model another embodiment；

Fig. 4 is the structural schematic diagram of the utility model another embodiment；

Fig. 5 is the structural schematic diagram of the utility model another embodiment；

Fig. 6 is the structural schematic diagram of the utility model another embodiment；

Fig. 7 is the structural schematic diagram of the utility model another embodiment；

Fig. 8 is the structural schematic diagram of the utility model another embodiment.

The title of number and corresponding component represented by letter in figure:

1- air chamber；2- burner body；21- gas inlet；22- gas outlet hole；23- alar part；24- first Air-outlet aperture；25- closing in inclined plane part；26- rectangle cavity portion；3- cowling panel；31- rectification hole；4- aero panel；41- second is empty Gas outlet opening；42- inclined plane part；43- vertical component effect；The air duct 5-；51- combustion air main entrance；52- natural gas main entrance；53- is helped Fire air intake；6- wind deflector；61- planar portions；62- curved face part.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs 1-4, a kind of air-heating burner, comprising:

Air duct 5, tail end are equipped with combustion air inlet 53；

Air chamber 1 is connected with air duct 5；

Burner body 2 is hollow tube, and burner body 2 is arranged in air chamber 1, burner body 2 End is equipped with gas inlet 21, and the one side of burner body 2 is equipped with multiple gas outlet holes 22,22 place of gas outlet hole Side there is alar part 23 from in-plane to air chamber that extends along, alar part 23 is with multiple first air-outlet apertures 24；

Wind deflector 6 is vertically arranged at the connector of air duct 5 and air chamber 1；

Cowling panel 3 is arranged in air chamber 1, and cowling panel 3 is equipped with multiple rectification holes 31；

Aero panel 4, one side is connected to the alar part 23 of burner body 2, and is tiltedly flared out from the alar part, another Side is connect with air chamber 1, and aero panel 4 is equipped with multiple second air-outlet apertures 41.

Beneficial effect by adopting the above technical scheme is: wind deflector 6 transduces in combustion air flowing direction 90 degree, cowling panel 3 beat combustion air, then are further flowed to combustion air through aero panel 4, and combustion air is evenly supplied to burn Area, it is ensured that the uniform full combustion of entire burner improves efficiency of combustion；First air-outlet aperture 24 of 22 two sides of gas outlet hole Twice air stream is provided, air mixed effect is improved, while forming a protective layer between flame and aero panel, was prevented Heat.

As shown in figure 3, in other embodiments of the utility model, burner body 2 have on cross section to 25 mouthfuls of the closing in inclined plane part 25 and the closing in inclined plane part gradually inside contracted outside holds straight outwardly extending rectangle cavity portion 26, gas outlet level with both hands Hole 22 is communicated to the middle position of rectangle cavity portion 26；The gas flow speed in gas outlet hole 22 is 20-120m/s.Using The beneficial effect of above-mentioned technical proposal is: natural gas is flowed out along closing in inclined plane part 25, and velocity-stabilization is promoted, and rectangle cavity portion 26 makes fire Flame energy high velocity vertical sprays outward in side, is conducive to the stabilization for keeping flame.

As shown in figure 3, in other embodiments of the utility model, the first air-outlet aperture 24 and gas outlet hole 22 is parallel, and the diameter of the first air-outlet aperture 24 is greater than 22 diameter of gas outlet hole, and the diameter of the first air-outlet aperture 24 is φ 2-φ6mm.Beneficial effect by adopting the above technical scheme is: further increasing the mixed effect of combustion air and natural gas.

As shown in figure 4, wind deflector 6 has and combustion air in air duct in other embodiments of the utility model The curved face part 62 approach axis parallel planar portions 61 and extended from the planar portions to air chamber.Using above-mentioned technical side The beneficial effect of case is: wind deflector can reduce windage, and combustion air is promoted steadily to be diverted to the rear end of air chamber.

As shown in figure 5, in other embodiments of the utility model, the perforated area of rectification hole 31 on cowling panel 3 For 30%-80%；The density of face combustion air inlet region rectification hole is less than the close of the region two sides rectification hole on cowling panel 3 Degree.Beneficial effect by adopting the above technical scheme is: further increasing combustion air in the indoor distribution consistency degree of watertight aircase.

As shown in Fig. 2, cowling panel 3 is fixedly connected on burner body 2 in other embodiments of the utility model On the side of combustion air inlet side.Beneficial effect by adopting the above technical scheme is: the heat of burner body can be with Be thermally conducted to cowling panel, then cooling through combustion air, by combustion air also preheated, improve combustion stability.

As shown in Figure 6,7, in other embodiments of the utility model, aero panel 4 has and burner body The inclined plane part 42 and the vertical component effect 43 vertical with natural gas outflow direction of natural gas outflow direction setting at α angle, inclined plane part 42 in 2 With the second air-outlet aperture 41 is all provided on vertical component effect 43；Inclined plane part 42 and natural gas outflow direction angulation α are 10-20 °. Beneficial effect by adopting the above technical scheme is: providing preferred air outflow angle, flame is more stable, and efficiency of combustion is significantly It improves.

As shown in figure 8, burner body 2 is combined into latticed outer in other embodiments of the utility model Shape, the air chamber are also enclosed at latticed set on burner body 2, and combustion air is behind combustion air main entrance 51 through branch Pipeline is distributed in watertight aircase room, and natural gas is assigned in burner body after entering from natural gas main entrance 52 through branch line Chamber.Beneficial effect by adopting the above technical scheme is: especially suitable for large-scale combustors, improving heated uniform in heat affected zone Degree, has saved energy consumption.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow the common skill in this field Art personnel can understand the content of the utility model and be implemented, and not limit the protection scope of the present invention, All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model It is interior.

Claims

1. a kind of air-heating burner characterized by comprising

Air duct, tail end are equipped with combustion air inlet；

Air chamber is connected with the air duct；

Burner body is hollow tube, and the burner body is arranged in the watertight aircase room, the burner body End be equipped with gas inlet, the one side of the burner body is equipped with multiple gas outlet holes, the gas outlet hole The side at place has the alar part extended along in-plane to air chamber, and the alar part has multiple first air-outlet apertures；

Aero panel, one side is connected to the alar part of the burner body, and is tiltedly flared out from the alar part, another side It is connect with air chamber, the aero panel is equipped with multiple second air-outlet apertures.

2. air-heating burner according to claim 1, which is characterized in that the burner body has on cross section There are the closing in inclined plane part gradually inside contracted outward and the closing in inclined plane part mouth to hold straight outwardly extending rectangle cavity portion level with both hands, the combustion gas goes out Oral pore is communicated to the middle position of the rectangle cavity portion.

3. air-heating burner according to claim 2, which is characterized in that the gas flow in the gas outlet hole Speed is 20-120m/s.

4. air-heating burner according to claim 3, which is characterized in that first air-outlet aperture and the combustion Gas outlet opening is parallel, and the diameter of first air-outlet aperture is greater than the gas outlet bore dia, first air outlet slit The diameter in hole is φ 2- φ 6mm.

5. air-heating burner according to claim 1, which is characterized in that the wind deflector have in the air duct The parallel planar portions of combustion air approach axis and the curved face part extended from the planar portions to the air chamber.

6. air-heating burner according to claim 1, which is characterized in that the aperture face of rectification hole on the cowling panel Product is 30%-80%.

7. air-heating burner according to claim 6, which is characterized in that the cowling panel is fixedly connected on the combustion Burner main body is on the side of the combustion air inlet side.

8. air-heating burner according to claim 1, which is characterized in that the aero panel has and the burning In device main body natural gas outflow direction at first angle inclined plane part and with the vertical vertical component effect in natural gas outflow direction, it is described tiltedly The second air-outlet aperture is all provided on face and vertical component effect.

9. air-heating burner according to claim 8, which is characterized in that the inclined plane part and natural gas flow out direction Formed first angle is 10-20 °.

10. air-heating burner according to claim 1, which is characterized in that the burner body is combined into grid Shape shape, the air chamber are also enclosed at latticed set on the burner body.