Combustor

Abstract

The utility model relates to a burner, which comprises a base, a nozzle seat, a gas inlet, a gas outlet, a gas inlet pipe, a gas inlet pipe and a gas outlet pipe, wherein the nozzle seat is arranged at the upper end of the gas inlet; the furnace end is mounted on the base; the burner comprises an outer ring, an inner ring, a single-ring gas cavity located between the outer ring and the inner ring, and a premixing pipe connected with the single-ring gas cavity and the nozzle seat. The single-ring air cavity comprises an arc-shaped groove which rises gradually, a first step surface and a second step surface; the fire cover is arranged on the furnace end in a covering manner; the cover body, the ring part and the cover part are integrally formed; the base is provided with an ignition needle and an induction needle, and the ignition needle and the induction needle penetrate out of the center hole. According to the combustor, the cover body, the ring part and the cover part are integrally formed, repeated mold opening is avoided, and the combustor is used in cooperation with a furnace end and can be installed at a time. The single-ring gas cavity, the outer flame hole, the inner flame hole and the fire ring groove are matched, so that gas premixing is more sufficient, and combustion is more uniform.

Description

Technical Field

[0001] This application relates to the field of stove technology, and more particularly to a burner. Background Technology

[0002] Current stoves are divided into outer ring burner covers and inner ring burner covers. Not only do they need to be produced by separate molds, but they also need to be installed separately, which not only increases production costs but also adds many installation steps. Utility Model Content

[0003] To solve the above problems, this technical solution provides a burner.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] A burner, including

[0006] A base having an air inlet and a nozzle seat located at the upper end of the air inlet;

[0007] A burner head is mounted on the base; the burner head includes an outer ring and an inner ring, a single-ring gas chamber located between the outer ring and the inner ring, and a premixing pipe connecting the single-ring gas chamber to the nozzle seat; the single-ring gas chamber includes a gradually rising arc-shaped groove, a first stepped surface, and a second stepped surface;

[0008] A flame cover is provided on the burner head; the flame cover includes a ring portion corresponding to the outer ring, a cover portion corresponding to the inner ring, and a cover body spanning between the outer ring and the inner ring and connecting the ring portion and the cover portion; the inner side of the cover body has a central hole and inner flame holes that gradually converge upward from the single-ring gas chamber toward the central hole; the outer side of the cover body has outer flame holes that gradually diffuse upward from the single-ring gas chamber away from the central hole, and a flame ring groove surrounding the outer periphery of the cover body; the cover body is integrally formed with the ring portion and the cover portion;

[0009] The base is provided with a ignition needle and a sensing needle, which protrude from the central hole.

[0010] As described above, in a burner, a limiting groove is provided on the inner side of the inner ring, and the cover protrudes from the cover body and extends into the limiting groove to be inserted into the limiting groove for limiting.

[0011] As described above, in a burner, a limiting part protrudes from the limiting groove, and a limiting groove is provided on the cover. When the limiting part is embedded in the limiting groove, it restricts the rotation of the burner cover relative to the burner head.

[0012] As described above, in a burner, the cover includes a top surface that is curved and inclined from the periphery toward the central hole, and the inner flame hole is located at the curved neck of the top surface.

[0013] As described above, the cover of the burner also includes an outer side surface that is inclined upwards, and the outer flame hole and the flame ring groove are located on the outer side surface.

[0014] In a burner as described above, the flame ring groove is located below the outer flame hole and surrounds the outer side surface, and multiple connecting holes are provided between the flame ring groove and the single-ring gas chamber.

[0015] In a burner as described above, the connecting hole penetrates both the bottom surface and the lower side surface of the flame ring groove, and the connecting hole forms an angle with the flame ring groove.

[0016] In a burner as described above, the ring protrudes from the cover and extends into the single-ring gas chamber, abutting against the inner side of the outer ring for limiting its position.

[0017] In a burner as described above, the premixed pipe outlet is located on one side of the single-ring gas chamber, the arc-shaped groove is arranged around the inner ring, the first stepped surface is divided into front and rear sides by the inner ring, and the front and rear sides respectively correspond to the two ends of the second stepped surface, the second stepped surface is located on the front side of the inner ring, and the arc-shaped groove is located on the rear side of the inner ring.

[0018] The beneficial effects of this application are:

[0019] This invention provides a burner in which the cover and ring are integrally molded, avoiding multiple molding processes. Furthermore, it can be installed in one piece when used with the burner head. The single-ring gas chamber, outer flame orifice, inner flame orifice, and flame ring groove work together to ensure more thorough gas premixing and more uniform combustion. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0021] Figure 1 This is a schematic diagram of the structure of this application;

[0022] Figure 2 This is an exploded view of the structure of this application;

[0023] Figure 3 This is a half-sectional view of this application. Detailed Implementation

[0024] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] A burner, including

[0026] A base 1, on which an air inlet 11 is provided, and a nozzle seat 12 is provided at the upper end of the air inlet 11;

[0027] A burner head 2 is mounted on the base 1; the burner head 2 includes an outer ring 21 and an inner ring 22, a single-ring gas chamber 23 located between the outer ring 21 and the inner ring 22, and a premixing pipe 24 connecting the single-ring gas chamber 23 and the nozzle seat 12; the single-ring gas chamber 23 includes a gradually rising arc-shaped groove 231, a first step surface 232 and a second step surface 233;

[0028] A flame cover 3 is mounted on the burner head 2. The flame cover 3 includes a ring portion 31 corresponding to the outer ring 21, a cover portion 32 corresponding to the inner ring 22, and a cover body 33 spanning between the outer ring 21 and the inner ring 22 and connecting the ring portion 31 and the cover portion 32. The cover body 33 has a central hole 34 on its inner side and inner flame holes 35 that gradually converge upward from the single-ring gas chamber 23 toward the central hole 34. The cover body 33 has outer flame holes 36 that gradually diffuse upward from the single-ring gas chamber 23 away from the central hole 34 on its outer side, and a flame ring groove 37 surrounding the outer periphery of the cover body 33. The cover body 33 is integrally formed with the ring portion 31 and the cover portion 32.

[0029] The base 1 is provided with a ignition needle 4 and a sensing needle 5, which pass through the central hole 34.

[0030] This invention provides a burner in which the cover and ring are integrally molded, avoiding multiple molding processes. Furthermore, it can be installed in one piece when used with the burner head. The single-ring gas chamber, outer flame orifice, inner flame orifice, and flame ring groove work together to ensure more thorough gas premixing and more uniform combustion.

[0031] Furthermore, as a preferred embodiment of this solution and not a limitation, the inner ring 22 is provided with a limiting groove 221 on its inner side, and the cover portion 32 protrudes from the cover body 33 and extends into the limiting groove 221 to be inserted into the limiting groove 221 for limiting. This serves to limit the position of the burner cover, allowing the burner cover to be aligned and installed with the burner head.

[0032] Furthermore, as a preferred embodiment of this solution and not a limitation, the limiting groove 221 is provided with a limiting part 222, and the cover part 32 is provided with a limiting groove 321. When the limiting part 222 is embedded in the limiting groove 321, it restricts the rotation of the burner cover 3 relative to the burner head 2, thus serving a positioning function.

[0033] Furthermore, as a preferred embodiment of this solution and not a limitation, the cover 33 includes a top surface 331 that is curved and inclined from the periphery toward the central hole 34, and the inner flame hole 35 is located at the curved neck of the top surface 331. The inner flame holes are concentrated toward the center, increasing the flame concentration effect.

[0034] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the cover 33 also includes an outer side surface 332, which is inclined upwards, and the outer flame hole 36 and the flame ring groove 37 are located on the outer side surface 332.

[0035] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the flame ring groove 37 is located below the outer flame hole 36 and is arranged around the outer side surface 332, and a plurality of connecting holes 38 are provided between the flame ring groove 37 and the single-ring gas chamber 23.

[0036] Furthermore, as a preferred embodiment of this solution and not a limitation, the connecting hole 38 penetrates both the bottom surface and the lower side surface of the flame ring groove 37, and an angle is formed between the connecting hole 38 and the flame ring groove 37. This ensures that the connecting hole and the outer flame hole are located on different sides within the single-ring gas chamber, guaranteeing the pressure of the gas passing through the connecting hole and the outer flame hole.

[0037] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the ring portion 31 protrudes from the cover 33 and extends into the single-ring air cavity 23, abutting against the inner side of the outer ring 21 for limiting.

[0038] Furthermore, as a preferred embodiment of this solution and not a limitation, the outlet of the premixed pipe 24 is located on one side of the single-ring gas chamber 23, the arc-shaped groove 231 is arranged around the inner ring 22, the first step surface 232 is divided into front and rear sides by the inner ring 22, and the front and rear sides respectively correspond to the two ends of the second step surface 233. The second step surface 233 is located on the front side of the inner ring 22, and the arc-shaped groove 231 is located on the rear side of the inner ring 22.

[0039] Furthermore, as a preferred embodiment of this solution and not a limitation, the base 1 is provided with a mounting seat 13 and a mounting hole 14, the burner head is provided with a mounting post 25 corresponding to the mounting hole, the ignition needle 4 and the sensing needle 5 are mounted on the mounting seat, the burner head is provided with a through hole 26, and the inner wall of the through hole is recessed with a clearance portion 27 to allow space for the ignition needle 4 and the sensing needle 5 respectively. When the burner head is installed with the base, as long as the ignition needle 4 and the sensing needle 5 pass through and correspond to the clearance portion, the mounting post and the mounting hole will automatically align.

[0040] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. A burner characterized by: include A base (1) is provided with an air inlet (11) and a nozzle seat (12) located at the upper end of the air inlet (11); A burner head (2) is mounted on the base (1); the burner head (2) includes an outer ring (21) and an inner ring (22), a single-ring gas chamber (23) located between the outer ring (21) and the inner ring (22), and a premixing pipe (24) connecting the single-ring gas chamber (23) and the nozzle seat (12); the single-ring gas chamber (23) includes a gradually rising arc groove (231), a first step surface (232) and a second step surface (233); A flame cover (3) is placed on the burner head (2); the flame cover (3) includes a ring portion (31) corresponding to the outer ring (21), a cover portion (32) corresponding to the inner ring (22), and a cover body (33) spanning between the outer ring (21) and the inner ring (22) and connecting the ring portion (31) and the cover portion (32); the cover body (33) has a central hole (34) on its inner side, and an inner flame hole (35) that gradually converges upward from the single-ring gas chamber (23) toward the central hole (34); the cover body (33) has an outer flame hole (36) that gradually diffuses upward from the single-ring gas chamber (23) away from the central hole (34), and a flame ring groove (37) surrounding the outer periphery of the cover body (33); the cover body (33) is integrally formed with the ring portion (31) and the cover portion (32); The base (1) is provided with a ignition needle (4) and a sensing needle (5), which protrude from the central hole (34).

2. A burner as claimed in claim 1, characterised in that: The inner ring (22) has a limiting groove (221) on its inner side. The cover (32) protrudes from the cover body (33) and extends into the limiting groove (221) to be inserted into the limiting groove (221) for limiting.

3. A burner as claimed in claim 2, characterised in that: The limiting groove (221) is provided with a limiting part (222), and the cover (32) is provided with a limiting groove (321). When the limiting part (222) is embedded in the limiting groove (321), the fire cover (3) is restricted from rotating relative to the furnace head (2).

4. A burner as claimed in claim 1, characterised in that: The cover (33) includes a top surface (331) that is curved and inclined from the periphery toward the central hole (34), and the inner flame hole (35) is located at the neck of the top surface (331).

5. A burner as claimed in claim 1, characterised in that: The cover (33) also includes an outer side (332), which is inclined upward, and the outer flame hole (36) and the flame ring groove (37) are located on the outer side (332).

6. A burner as claimed in claim 5, characterised in that: The flame ring groove (37) is located below the outer flame hole (36) and surrounds the outer side surface (332). Multiple connecting holes (38) are provided between the flame ring groove (37) and the single-ring gas chamber (23).

7. A burner according to claim 6, characterized in that: The connecting hole (38) penetrates both the bottom surface and the lower side surface of the fire ring groove (37), and the connecting hole (38) and the fire ring groove (37) form an angle.

8. A burner as claimed in claim 1, characterised in that: The ring portion (31) protrudes from the cover (33) and extends into the single-ring air chamber (23), abutting against the inner side of the outer ring (21) for limiting.

9. A burner as claimed in claim 1, characterized in that: The outlet of the premixed pipe (24) is located on one side of the single-ring gas chamber (23). The arc groove (231) is arranged around the inner ring (22). The first step surface (232) is divided into front and rear sides by the inner ring (22). The front and rear sides correspond to the two ends of the second step surface (233) respectively. The second step surface (233) is located on the front side of the inner ring (22), and the arc groove (231) is located on the rear side of the inner ring (22).

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