CN210165378U

CN210165378U - Infrared burner

Info

Publication number: CN210165378U
Application number: CN201920470829.6U
Authority: CN
Inventors: 罗峰; 罗长兵; 刘周明; 陈琦; 刘凯; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-03-20
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses an infrared burner, including furnace end and distributor subassembly, wherein the distributor subassembly set up in on the furnace end be provided with inlet channel on the furnace end be provided with the centre bore on the distributor subassembly be provided with protective assembly in the centre bore, protective assembly can with inlet channel with the centre bore intercommunication, and can stop flame warp on the distributor subassembly the centre bore enters into inlet channel perhaps in the furnace end, its simple structure can solve infrared burner "the ignition needle" problem of burning through the protective assembly who sets up, promotes reliability and the security that infrared burner used.

Description

Infrared burner

Technical Field

The utility model relates to a combustor technical field especially relates to an infrared burner.

Background

At present, infrared ray burners are all in a full premix type, an ignition needle is arranged in the center of the burner, the coefficient of primary air is 0.98-1.03, the problem of temperature rise caused by overhigh temperature (about 900 ℃ -1050 ℃) of the infrared ray burner is limited, a down air inlet mode is mostly adopted, namely, the primary air is supplemented from the inside of a burner to supplement air for combustion of a distributor component, but as household gas cookers are mostly installed in a cabinet in an embedded mode, the problem that the flame of the distributor component burns the ignition needle line easily occurs. The specific reason is as follows: because infrared burner's primary air coefficient is about 1, the demand to the air is big during the burning of distributor subassembly, consequently appears the negative pressure zone easily inside the furnace end to in the flame of distributor subassembly is inhaled the furnace end backward, and then the problem of ignition needle is burnt to the flame of distributor subassembly, can lead to appearing the problem that ignition needle damaged, function became invalid like this, reduced the reliability and the security that infrared burner used.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides an infrared burner, its simple structure, the security is higher relatively.

The above purpose is realized by the following technical scheme:

the utility model provides an infrared burner, includes furnace end and distributor subassembly, wherein the distributor subassembly set up in on the furnace end be provided with inlet channel on the furnace end be provided with the centre bore on the distributor subassembly be provided with protection component in the centre bore, protection component will inlet channel with the centre bore intercommunication, and the prevention flame warp on the distributor subassembly the centre bore enters into inlet channel perhaps in the furnace end.

In some embodiments, the protection assembly comprises an air inlet seat and an air inlet pipe, wherein an air inlet hole is formed in the air inlet seat, the air inlet pipe is arranged on the air inlet seat, and the lower end of the air inlet pipe is communicated with the air inlet hole.

In some embodiments, the top of the air inlet pipe is higher than the central hole, and the top of the air inlet pipe is provided with notches which are distributed at intervals along the circumferential direction.

In some embodiments, the air inlet seat is provided with air inlet grooves distributed at intervals along the circumferential direction, and the air inlet channel is communicated with the central hole through the air inlet grooves.

In some embodiments, the opening of the air inlet slot faces horizontally.

In some embodiments, the air inlet duct is punched from the bottom of the air inlet seat to the top of the air inlet seat.

In some embodiments, an annular projection is provided on an edge of the air intake seat, the annular projection being nested within the air intake passage.

In some embodiments, an ignition needle decorative cover is arranged on the top of the air inlet pipe, and the ignition needle decorative cover is made of an insulating material.

In some embodiments, the air inlet duct further comprises an ignition needle assembly disposed within the central opening and outside of the air inlet duct.

In some embodiments, an escape opening is provided on the air intake seat, and the ignition needle assembly is disposed within the escape opening.

In some embodiments, a sleeve is arranged on the inner wall of the air inlet hole, and the lower end of the air inlet pipe is connected with the sleeve.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses an infrared burner, its simple structure can solve infrared burner "burn the ignition needle" problem through the protective assembly who sets up, promotes reliability and the security that infrared burner used.

2. Meanwhile, secondary air supplement can be fully facilitated, and the combustion stability of the infrared burner is improved.

Drawings

FIG. 1 is a schematic structural view of an infrared burner according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of an infrared burner in an embodiment of the present invention;

FIG. 3 is an exploded view of an infrared burner according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a protection component in an embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides an infrared burner, which includes a furnace end 1 and a distributor assembly 2, wherein the distributor assembly 2 is disposed on the furnace end 1, an air inlet channel 100 communicated with the outside is disposed on the furnace end 1, a central hole 200 is disposed on the distributor assembly 2, a protection assembly 3 is disposed in the central hole 200, the protection assembly 3 can communicate the air inlet channel 100 with the central hole 200, and can prevent the flame on the distributor assembly 2 from entering the air inlet channel 100 or the furnace end 1 through the central hole 200.

The infrared burner of this embodiment, its simple structure can solve infrared burner "burning ignition needle" problem through the protective assembly 3 that sets up, promotes reliability and the security that infrared burner used. Specifically, the protection component 3 is arranged to block a back suction channel of flame, namely, the flame on the distributor component 2 is prevented from entering the air inlet channel 100 or the furnace end 1 through the central hole 200, so that the problem that the flame burns ignition needles and other electric wires due to negative pressure is solved.

Preferably, the protection component 3 includes the air inlet seat 31 and the air inlet pipe 32, the air inlet hole 310 is arranged on the air inlet seat 31, the air inlet pipe 32 is arranged on the air inlet seat 31, the lower end of the air inlet pipe 32 is communicated with the air inlet hole 310, the design is simple and ingenious, the flame on the distributor component 2 can be prevented from entering the air inlet channel 100 or the furnace end 1 through the central hole 200 by the arranged air inlet seat 31, the secondary air supplement can be fully facilitated by the arranged air inlet pipe 32, air is provided for the combustion of the distributor component 2, and the purpose of improving the combustion stability of the infrared burner is achieved.

More preferably, the top of the air inlet pipe 32 is higher than the central hole 200, so that the flame of the distributor assembly 2 is prevented from being sucked back into the air inlet passage 100 or the burner 1 through the top of the air inlet pipe 32, and the reliability and safety of the product use can be improved to some extent. The top of the air inlet pipe 32 is provided with notches 320 which are distributed at intervals along the circumferential direction, and the air entering the air inlet pipe 32 is supplemented to the distributor component 2 through the notches 320, so that the design is reasonable and ingenious.

In this embodiment, the air inlet seat 31 is provided with air inlet slots 311 distributed at intervals along the circumferential direction, and the air inlet channel 100 is communicated with the central hole 200 through the air inlet slots 311. Specifically, the opening of the air inlet slot 311 faces the horizontal direction. Therefore, air can be supplemented to the distributor component 2 through the air inlet channel 100, the air inlet slots 311 and the central holes 200, but simultaneously, because the openings of the air inlet slots 311 face to the horizontal direction, the flame on the distributor component 2 can be blocked from flowing backwards downwards to enter the air inlet channel 100 or the burner 1.

Preferably, the air inlet slot 311 is formed by stamping from the bottom of the air inlet seat 31 to the top thereof, the stamping is simple in production mode, the cost is low, and the stamping and integral forming mode can improve the reliability of the whole structure of the air inlet seat 31 and prolong the service life of the air inlet seat 31. At the same time, the purpose of ventilation from bottom to top and blocking the reverse flow of flame from top to bottom is realized.

More preferably, the edge of the air inlet seat 31 is provided with an annular protrusion 312, and the annular protrusion 312 is nested in the air inlet channel 100, specifically, the annular protrusion and the air inlet channel are tightly matched together, so that the air inlet seat 31 can be conveniently installed and fixed, and the use convenience of the protection assembly 3 is improved.

In this embodiment, the ignition needle decorative cover 4 is disposed on the top of the air inlet duct 32, so that the direction of the air flowing out from the air inlet duct 32 can be changed, the air flowing out from the air inlet duct 32 can only be supplemented to the distributor assembly 2 through the notch 320, a transverse air flow channel is formed by the cooperation of the ignition needle decorative cover 4 and the air inlet duct 32, the air is supplemented to the distributor assembly 2 through the transverse air flow channel, the ignition needle decorative cover 4 is made of an insulating material, so that the ignition needle assembly can be prevented from discharging, and the ignition efficiency and reliability of the infrared burner can be improved.

Preferably, the air inlet pipe further comprises an ignition needle assembly 5, and the ignition needle assembly 5 is arranged in the central hole 200 and is positioned outside the air inlet pipe 32. Specifically, the air inlet seat 31 is provided with an avoiding port 313, the ignition needle assembly 5 is arranged in the avoiding port 313, and the ignition needle assembly is reasonable and ingenious in design, convenient to install and compact in structure for the ignition needle assembly 5.

In this embodiment, the sleeve 314 is disposed on the inner wall of the air inlet hole 310, and the lower end of the air inlet pipe 32 is connected to the sleeve 314, which is simple in structure and facilitates the connection and assembly between the air inlet pipe 32 and the air inlet seat 31. In addition, the air inlet pipe 32 and the air inlet seat 31 are both made of stainless steel, so that the cost is low, the high temperature resistance is realized, and the service life is long.

The air supply process of the infrared burner provided in this embodiment is explained as follows:

part of air in the furnace end 1 or the air inlet channel 100 enters the air inlet slot 311 of the protective component 3 and then flows out tangentially to converge into vertical air flow; another part of air enters the air inlet pipe 32 and then flows out along the notch 320 of the air inlet pipe 32 to form a transverse air flow, and the vertical air flow and the transverse air flow are synthesized into secondary air in an obliquely upward direction. Not only do benefit to the inner ring secondary air of distributor subassembly 2 on the one hand and supply, also do benefit to outer loop secondary air and supply, promote combustion stability, the convective heat transfer of secondary air and flue gas can be strengthened to this direction of on the other hand, and then appropriate reduction combustor temperature, solves the high temperature tempering problem that current infrared burner often takes place.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides an infrared burner, includes furnace end (1) and distributor subassembly (2), wherein distributor subassembly (2) set up in on furnace end (1) be provided with inlet channel (100) on furnace end (1) be provided with centre bore (200) on distributor subassembly (2), its characterized in that be provided with in centre bore (200) and protect subassembly (3), protect subassembly (3) will inlet channel (100) with centre bore (200) intercommunication, and the prevention flame warp on distributor subassembly (2) centre bore (200) enter into inlet channel (100) perhaps in furnace end (1).

2. An infrared burner as set forth in claim 1, characterized in that said shielding assembly (3) comprises an air intake base (31) and an air intake duct (32), an air intake hole (310) is provided on said air intake base (31), said air intake duct (32) is provided on said air intake base (31) and a lower end of said air intake duct (32) communicates with said air intake hole (310).

3. An infrared burner as set forth in claim 2, wherein said air inlet duct (32) is elevated above said central opening (200) and said air inlet duct (32) is formed with notches (320) at circumferentially spaced locations.

4. An infrared burner as set forth in claim 2, characterized in that said air intake seat (31) is provided with air intake slots (311) circumferentially spaced apart from each other, said air intake duct (100) communicating with said central opening (200) through said air intake slots (311).

5. An infrared burner as in claim 4, wherein said air intake slots (311) open horizontally.

6. An infrared burner as set forth in claim 4, wherein said air inlet slot (311) is punched from the bottom of said air inlet seat (31) toward the top thereof.

7. An infrared burner as in claims 2, 3, 4, 5 or 6, characterized in that on the edge of the air intake seat (31) there is provided an annular projection (312), said annular projection (312) being nested inside the air intake channel (100).

8. An infrared ray burner as set forth in claim 2, 3, 4, 5 or 6, characterized in that a firing pin decorative cover (4) is provided on the top of said air inlet duct (32), said firing pin decorative cover (4) being made of an insulating material.

9. An infrared burner as in claims 2, 3, 4, 5 or 6, further comprising an ignition needle assembly (5), said ignition needle assembly (5) being disposed within said central opening (200) and outside of said air inlet duct (32).

10. An infrared burner as in claim 9, characterized in that an escape opening (313) is provided on said air intake seat (31), said ignition needle assembly (5) being disposed inside said escape opening (313).

11. An infrared burner as set forth in claim 2, 3, 4, 5 or 6, wherein a sleeve (314) is provided on an inner wall of said air intake hole (310), and a lower end of said air intake duct (32) is connected to said sleeve (314).