Combustor

Abstract

A burner comprises a fire plate, a fire distributing seat and a fire cover, an outer ring air inlet is formed in the fire plate, a plurality of outer ring channels which are annularly and evenly distributed are formed between the fire plate and the fire distributing seat, the outer ring air inlet is communicated with the outer ring channels, a fire distributing cavity is formed between the fire distributing seat and the fire cover, a flow equalizing piece is arranged on the fire distributing seat, and a plurality of rows of flow equalizing holes are formed in the flow equalizing piece. And each outer ring channel is communicated with the fire distribution cavity through the corresponding flow equalizing hole. The outer ring channels are annularly and evenly distributed between the fire disc and the fire distribution base, the flow equalizing piece is arranged on the fire distribution base, the multiple rows of flow equalizing holes are formed in the flow equalizing piece, the multiple rows of flow equalizing holes are distributed in the flow equalizing piece from inside to outside, all the outer ring channels are communicated with the fire distribution cavity through the corresponding flow equalizing holes, and flow equalizing is conducted through the multiple outer ring channels. And then the flow is equalized through the multiple rows of flow equalizing holes, so that the fire is more uniformly emitted from the first fire outlet holes of the fire cover, the fire is more stably emitted, and the cooking effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of burner heads, and particularly relates to a burner. Background Art

[0002] Chinese Patent Document No. CN113932255A disclosed a burner head on January 14, 2022. The burner head includes: a fire tray having an inner ring channel and an outer ring channel; a fire cap with a fire outlet surface formed thereon, and large fire holes and small fire holes are formed on the fire outlet surface, and the small fire holes are located on one side of the large fire holes away from the axis of the fire cap; a partition member, at least part of which is located in the fire distribution chamber to divide the fire distribution chamber into a first fire distribution chamber and a second fire distribution chamber. The two ends of the first fire distribution chamber are respectively communicated with the inner ring channel and the large fire holes to construct a first gas channel, and the two ends of the second fire distribution chamber are respectively communicated with the outer ring channel and the small fire holes to construct a second gas channel. The outer ring channel of the second gas channel of this burner head is directly communicated with the second fire distribution chamber, which easily causes uneven fire output from the small fire holes.

[0003] Therefore, it is necessary to make further improvements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a burner with simple structure, uniform fire output, stable fire output, good user experience and strong practicability, so as to overcome the deficiencies of the prior art.

[0005] A burner designed according to this purpose includes a fire tray, a fire distribution base and a fire cap, and is characterized in that: an outer ring air inlet is arranged on the fire tray, and a plurality of annularly distributed outer ring channels are formed between the fire tray and the fire distribution base. The outer ring air inlet is respectively communicated with each outer ring channel. A fire distribution chamber is formed between the fire distribution base and the fire cap. A flow equalizing plate is arranged on the fire distribution base, and multiple rows of flow equalizing holes are arranged on the flow equalizing plate. Each outer ring channel is respectively communicated with the fire distribution chamber through the corresponding flow equalizing holes.

[0006] The fire distribution base and the flow equalizing plate are of an integral structure; multiple rows of flow equalizing holes are distributed inside and outside on the flow equalizing plate, and each row of flow equalizing holes is annularly distributed on the flow equalizing plate.

[0007] A number of convex platforms are annularly distributed on the fire distribution base, and a concave cavity is arranged on the fire tray. The convex platforms are arranged in the concave cavity, and an outer ring channel is formed between adjacent two convex platforms and the concave cavity.

[0008] A seat body is arranged on the fire distribution base, the flow equalizing plate is arranged on the periphery of the seat body, the convex platforms are arranged at the bottom of the seat body, and the flow equalizing plate, the seat body and the convex platforms are arranged in a multi-level stepped manner from outside to inside and are arranged towards the outer ring air inlet.

[0009] An intermediate channel is formed between the flow equalizing plate and the fire tray. The intermediate channel is respectively communicated with each outer ring channel, and the intermediate channel is communicated with the fire distribution chamber through the flow equalizing holes.

[0010] There are more than 4 outer ring channels provided.

[0011] A number of first fire outlets are evenly distributed in a ring on the burner cap, and the sub-fire cavity communicates with the first fire outlets.

[0012] An inner ring channel is provided on the sub-fire base, and the outer ring channel is arranged around the circumference of the inner ring channel.

[0013] A first flanging is provided on the outer side of the fire pan, and a slot is provided on the outer side of the burner cap. The first flanging is inserted into the slot to connect the fire pan and the burner cap.

[0014] The sub-fire base is clamped between the fire pan and the burner cap. A positioning edge is provided on the sub-fire base, and a positioning hole is provided on the fire pan. The positioning edge is positioned through the positioning hole.

[0015] In the present utility model, by evenly distributing the outer ring channels in a ring between the fire pan and the sub-fire base, and by providing a flow equalizing plate on the sub-fire base, with multiple rows of flow equalizing holes provided on the flow equalizing plate, the multiple rows of flow equalizing holes are distributed inside and outside on the flow equalizing plate, and each outer ring channel communicates with the sub-fire cavity through the corresponding flow equalizing hole. Uniform flow is carried out through multiple outer ring channels, and then uniform flow is carried out through multiple rows of flow equalizing holes, so that the fire outlets of the first fire outlets on the burner cap are more uniform, and the fire outlet is more stable, thereby improving the cooking effect. Description of the Drawings

[0016] Figure 1 It is a cross-sectional view of the burner in an embodiment of the present utility model.

[0017] Figure 2 It is a cross-sectional view of the burner in another orientation in an embodiment of the present utility model.

[0018] Figure 3 It is a schematic diagram of the overall structure of the burner in an embodiment of the present utility model.

[0019] Figure 4 It is a schematic diagram of the overall structure of the sub-fire base in an embodiment of the present utility model.

[0020] Figure 5 It is a schematic diagram of the disassembled structure of the burner in an embodiment of the present utility model.

[0021] Figure 6 It is a schematic diagram of the overall structure of the burner in another orientation in an embodiment of the present utility model. Detailed Embodiment

[0022] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0023] See Figures 1 - 6, this burner includes a fire pan 1, a flame distributing base 2 and a burner cap 3. An outer ring air inlet 7 is provided on the fire pan 1. A plurality of annularly and evenly distributed outer ring channels 4 are formed between the fire pan 1 and the flame distributing base 2. The outer ring air inlet 7 is respectively communicated with each outer ring channel 4. A flame distributing cavity 5 is formed between the flame distributing base 2 and the burner cap 3. A flow equalizing plate 6 is provided on the outer periphery of the flame distributing base 2. A plurality of rows of flow equalizing holes 8 are provided on the flow equalizing plate 6. Each outer ring channel 4 is respectively communicated with the flame distributing cavity 5 through the corresponding flow equalizing hole 8.

[0024] The flame distributing base 2 and the flow equalizing plate 6 are of an integral structure, and the flame distributing base 2 and the flow equalizing plate 6 are made of stainless steel material.

[0025] The multiple rows of flow equalizing holes 8 are distributed inside and outside on the flow equalizing plate 6. Each row of flow equalizing holes 8 is annularly and evenly distributed on the flow equalizing plate 6. The flow equalizing holes 8 are small round holes, and the flow equalizing holes 8 are densely distributed, making the punching process simpler, the density of the holes large enough, and the air distribution effect more uniform; as Figure 2 shown by the arrow, after the outer ring gas enters the burner through the outer ring air inlet 7, it first undergoes flow equalization through the outer ring channel 4, then flows to the middle channel 12, then undergoes flow equalization through the flow equalizing hole 8, then flows into the flame distributing cavity 5, and finally fires through the first fire outlet holes 13.

[0026] A number of convex platforms 9 are annularly and evenly distributed on the flame distributing base 2. A concave cavity 10 is provided on the fire pan 1. The convex platforms 9 are arranged in the concave cavity 10. The flame distributing base 2 is supported on the bottom wall of the concave cavity 10 through the convex platforms 9. An outer ring channel 4 is formed between two adjacent convex platforms 9 and the concave cavity 10; the concave cavity 10 can enhance the mechanical strength of the fire pan 1.

[0027] A seat body 11 is provided on the flame distributing base 2. The flow equalizing plate 6 is arranged on the outer periphery of the seat body 11. The convex platforms 9 are arranged at the bottom of the seat body 11. The flow equalizing plate 6, the seat body 11 and the convex platforms 9 are arranged in a multi-stage stepped manner from outside to inside and are arranged towards the outer ring air inlet 7. This structure can enhance the mechanical strength of the flame distributing base 2.

[0028] A middle channel 12 is formed between the flow equalizing plate 6 and the outer periphery of the fire pan 1. The middle channel 12 is respectively communicated with each outer ring channel 4. The middle channel 12 is communicated with the flame distributing cavity 5 through the flow equalizing hole 8.

[0029] More than 4 outer ring channels 4 are provided. In this embodiment, 4 outer ring channels 4 are provided.

[0030] A number of first fire outlet holes 13 are annularly and evenly distributed on the burner cap 3. The flame distributing cavity 5 is communicated with the first fire outlet holes 13.

[0031] An inner ring channel 14 is provided at the center of the flame distributing base 2. The outer ring channels 4 are arranged around the periphery of the inner ring channel 14; the burner further includes a center burner cap (not shown in the figure). The center burner cap is installed at the center of the flame distributing base 2. A number of second fire outlet holes are annularly and evenly distributed on the center burner cap. The inner ring channel 14 is communicated with the second fire outlet holes.

[0032] The outer ring air inlet 7 is connected to the first ejector pipe 19. The outer ring gas reaches the outer ring air inlet 7 through the first ejector pipe 19. The first ejector pipe 19, the outer ring air inlet 7, the outer ring channel 4, the intermediate channel 12, the flow equalizing holes 8, the fire distributing cavity 5 and the first fire outlet holes 13 form the outer ring gas channel; the inner ring channel 14 is connected to the second ejector pipe 20. The second ejector pipe 20, the inner ring channel 14 and the second fire outlet holes form the inner ring gas channel. As Figure 2 shown by the arrow, the inner ring gas reaches the inner ring channel 14 through the second ejector pipe 20 and then fires out through the second fire outlet holes.

[0033] A first flanging 15 is arranged on the outer side of the burner tray 1, and a slot 16 is arranged on the outer side of the burner cap 3. The first flanging 15 is inserted into the slot 16 to connect the burner tray 1 and the burner cap 3. A second flanging 21 is arranged at the bottom of the slot 16, and the first flanging 15 and the second flanging 21 are riveted by rivets.

[0034] The fire distributing base 2 is clamped between the burner tray 1 and the burner cap 3. A positioning edge 17 is arranged on the fire distributing base 2. The positioning edge 17 is arranged at the bottom of the convex platform 9. A positioning hole 18 is arranged on the burner tray 1. The positioning edge 17 is positioned through the positioning hole 18 to position the fire distributing base 2.

[0035] The above is the preferred solution of the present invention, which shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A burner, comprising a fire pan (1), a fire distributing base (2) and a fire cap (3), characterized in that: An outer ring air inlet (7) is provided on the fire pan (1). A plurality of annularly and evenly distributed outer ring channels (4) are formed between the fire pan (1) and the flame dividing seat (2). The outer ring air inlet (7) is respectively communicated with each outer ring channel (4). A flame dividing cavity (5) is formed between the flame dividing seat (2) and the fire cap (3). A flow equalizing plate (6) is provided on the flame dividing seat (2). A plurality of rows of flow equalizing holes (8) are provided on the flow equalizing plate (6). Each outer ring channel (4) is respectively communicated with the flame dividing cavity (5) through the corresponding flow equalizing hole (8).

2. The burner according to claim 1, characterized in that: The flame dividing seat (2) and the flow equalizing plate (6) are of an integral structure; the plurality of rows of flow equalizing holes (8) are distributed inside and outside on the flow equalizing plate (6), and each row of flow equalizing holes (8) is annularly and evenly distributed on the flow equalizing plate (6).

3. The burner according to claim 2, characterized in that: A number of bosses (9) are annularly and evenly distributed on the flame dividing seat (2). A concave cavity (10) is provided on the fire pan (1). The bosses (9) are arranged in the concave cavity (10). An outer ring channel (4) is formed between two adjacent bosses (9) and the concave cavity (10).

4. The burner according to claim 3, characterized in that: A seat body (11) is provided on the flame dividing seat (2). The flow equalizing plate (6) is arranged on the outer periphery of the seat body (11). The bosses (9) are arranged at the bottom of the seat body (11). The flow equalizing plate (6), the seat body (11) and the bosses (9) are arranged in a multi-stage stepped manner from outside to inside and are arranged towards the outer ring air inlet (7).

5. The burner according to claim 1, characterized in that: An intermediate channel (12) is formed between the flow equalizing plate (6) and the fire pan (1). The intermediate channel (12) is respectively communicated with each outer ring channel (4). The intermediate channel (12) is communicated with the flame dividing cavity (5) through the flow equalizing hole (8).

6. The burner according to claim 1, characterized in that: More than 4 outer ring channels (4) are provided.

7. The burner according to claim 1, characterized in that: A number of first fire holes (13) are annularly and evenly distributed on the fire cap (3). The flame dividing cavity (5) is communicated with the first fire holes (13).

8. The burner according to claim 1, characterized in that: An inner ring channel (14) is provided on the flame dividing seat (2). The outer ring channels (4) are arranged around the periphery of the inner ring channel (14).

9. The burner according to claim 1, characterized in that: A first flanging (15) is provided on the outside of the fire pan (1). A slot (16) is provided on the outside of the fire cap (3). The first flanging (15) is inserted into the slot (16) to connect the fire pan (1) and the fire cap (3).

10. The burner according to claim 9, characterized in that: The flame dividing seat (2) is clamped between the fire pan (1) and the fire cap (3). A positioning edge (17) is provided on the flame dividing seat (2). A positioning hole (18) is provided on the fire pan (1). The positioning edge (17) passes through the positioning hole (18) for positioning.

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