Combustor fire cover structure and combustor

Abstract

The utility model discloses a burner fire cover structure and a burner. The burner fire cover structure comprises a base, an outer fire cover and an inner fire cover. The outer fire cover is buckled on the base and comprises an outer ring disc part and an outer ring wall part, the outer ring disc part is provided with a fire transfer groove, the outer ring wall part is connected with the outer ring disc part, the outer ring wall part is provided with a plurality of first fire outlet holes and second fire outlet holes, and the outer ring wall part is further provided with receding positions used for receding pot rack lug parts; the first fire outlet hole is located in the upper portion of the outer ring wall part, and the second fire outlet hole is located in the lower portion of the outer ring wall part and located below the avoiding position. The inner fire cover is buckled on the base and located in the outer ring disc part, and inner ring fire outlet holes are formed in the inner fire cover. The first fire outlet hole, the second fire outlet hole and the avoiding position are formed in the outer ring wall part, so that the fire transfer response speed can be increased, the stability of flames is guaranteed, combustion is sufficient, the CO concentration is reduced, energy is saved, environment friendliness is achieved, gas is effectively utilized, and the heat efficiency and safety are improved.

Description

Technical Field

[0001] This utility model relates to the field of gas stove burner technology, and in particular to a burner cap structure and burner. Background Technology

[0002] Currently, gas stoves often suffer from incomplete combustion, especially in areas where the pot rack obstructs the flame. This slows flame transmission and incomplete combustion, leading to low thermal efficiency and the generation of excessive CO gas, posing a safety hazard. Furthermore, to adapt to various gas types, such as LPG, NG natural gas, and TownGas, gas stove burners need to be modified to further improve combustion performance and safety. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a burner cap structure and a burner that can improve ignition response speed, ensure flame stability, achieve complete combustion, reduce CO concentration, save energy and protect the environment, effectively utilize fuel gas, and improve thermal efficiency and safety.

[0004] On one hand, this utility model embodiment provides a burner cap structure, including:

[0005] Base;

[0006] An outer flame cover is fastened to the base. The outer flame cover includes an outer ring disc and an outer ring wall. The outer ring disc is provided with a flame transfer groove. The outer ring wall is connected to the outer ring disc. The outer ring wall is provided with a plurality of first flame outlet holes and second flame outlet holes. The outer ring wall is also provided with a clearance position for avoiding the pot rack ears. The first flame outlet holes are located in the upper part of the outer ring wall, and the second flame outlet holes are located in the lower part of the outer ring wall and below the clearance position.

[0007] The inner flame cover is fastened to the base and located inside the outer ring plate. The inner flame cover is provided with an inner ring flame outlet hole.

[0008] According to some embodiments of this utility model, the diameter of the first flame outlet is larger than the diameter of the second flame outlet.

[0009] According to some embodiments of the present invention, the diameter of the first flame outlet is 1.8 to 2.5 mm, and the diameter of the second flame outlet is 1.2 to 1.7 mm.

[0010] According to some embodiments of the present invention, the distance between two adjacent first flame outlets is 4.5 to 5.5 mm, and the distance between two adjacent second flame outlets is 3.0 to 4.0 mm.

[0011] According to some embodiments of this utility model, both the first flame outlet and the second flame outlet are inclined upwards from the inside out, and the inclination angle of both the first flame outlet and the second flame outlet is 25° ~ 40°.

[0012] According to some embodiments of this utility model, the diameter of the inner ring flame outlet is 1.5 to 1.8 mm, and the number of the inner ring flame outlet is 25 to 30.

[0013] According to some embodiments of the present invention, a plurality of fire transmission holes are provided at one end of the fire transmission groove near the inner ring of the outer ring disk.

[0014] According to some embodiments of this utility model, a third fire outlet is provided below the first fire outlet.

[0015] According to some embodiments of this utility model, the diameter of the third fire outlet is 1.2 ~ 1.7 mm.

[0016] On the other hand, this utility model embodiment provides a burner, which includes the burner cap structure described above.

[0017] The embodiments of this utility model have at least the following beneficial effects:

[0018] The burner cap structure provided by this utility model includes a base, an outer cap, and an inner cap. By providing a first flame outlet, a second flame outlet, and a clearance position on the outer ring wall of the outer cap, with the second flame outlet located below the clearance position, the second flame outlet on the pot rack ear corresponding to the burner flame is moved downwards. This effectively shortens the flame length, ensures the continuity of the flame, and improves the ignition response speed, thereby ensuring flame stability, reducing CO concentration caused by incomplete combustion, effectively utilizing fuel gas, and improving thermal efficiency and safety.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the burner cap structure according to an embodiment of the present utility model;

[0022] Figure 2 for Figure 1 The diagram shows the structural schematic of the base of the burner flame cap structure;

[0023] Figure 3 for Figure 1 One of the schematic diagrams of the outer burner cap structure shown;

[0024] Figure 4 for Figure 1 The second schematic diagram of the outer burner cap structure of the burner is shown.

[0025] Figure 5 for Figure 1 The diagram shows the structure of the inner burner cap of the burner cap structure.

[0026] Figure label:

[0027] Base 100, outer flame cover 200, outer ring plate 210, flame transmission groove 211, flame transmission hole 212, outer ring wall 220, first flame outlet hole 221, second flame outlet hole 222, clearance position 223, third flame outlet hole 224, inner flame cover 300. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first," "second," etc., are used in the description, they are only for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0031] In the description of this utility model, unless otherwise explicitly defined, the terms "setting", "installing", "connecting" and "connected" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in combination with the specific content of the technical solution.

[0032] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Please refer to Figures 1 to 3 This embodiment discloses a burner cap structure, including a base 100, an outer cap 200, and an inner cap 300. The outer cap 200 is fastened to the base 100 and includes an outer ring disc portion 210 and an outer ring wall portion 220. The outer ring disc portion 210 is provided with a flame transmission groove 211, and the outer ring wall portion 220 is connected to the outer ring disc portion 210. The outer ring wall portion 220 is provided with a plurality of first flame outlet holes 221 and second flame outlet holes 222. The outer ring wall portion 220 is also provided with a clearance position 223 for avoiding the pot rack ears. The first flame outlet holes 221 are located in the upper part of the outer ring wall portion 220, and the second flame outlet holes 222 are located in the lower part of the outer ring wall portion 220 and below the clearance position 223. The inner cap 300 is fastened to the base 100 and located inside the outer ring disc portion 210. The inner cap 300 is provided with an inner ring flame outlet hole 310. By providing a first flame outlet 221, a second flame outlet 222, and a clearance position 223 on the outer ring wall 220, with the second flame outlet 222 located below the clearance position 223, the second flame outlet 222 on the pot rack ear corresponding to the burner flame is moved downwards, thereby effectively shortening the flame length, ensuring the continuity of the flame, and improving the ignition response speed, thus ensuring the stability of the flame, effectively reducing the CO concentration caused by incomplete combustion, effectively utilizing the fuel gas, and improving thermal efficiency and safety.

[0034] Please refer to Figure 3 The diameter of the first flame outlet 221 is larger than the diameter of the second flame outlet 222. Effective flame distribution and control are achieved by using different flame outlet diameters: increasing the diameter of the first flame outlet 221 and decreasing the diameter of the second flame outlet 222. Because the first flame outlet 221 has a larger diameter, the gas entering it can release a more stable flame, thus providing stronger combustion power and facilitating wider-area combustion. The smaller diameter of the second flame outlet 222 ensures uninterrupted flame continuity and improves the ignition response speed, playing a role in stabilizing the flame shape during subsequent combustion and preventing a decrease in combustion efficiency caused by fluctuating flame size. This synergistic approach improves overall combustion performance, ensures complete combustion of the gas, reduces the emission of unburned gases, thereby improving gas utilization efficiency, reducing environmental pollution, and achieving the goals of energy conservation and emission reduction.

[0035] Please refer to Figure 3 The diameter of the first flame outlet 221 is 1.8 to 2.5 mm, and the diameter of the second flame outlet 222 is 1.2 to 1.7 mm. The diameter of the first flame outlet 221 is set to 1.8 to 2.5 mm to match the first flame outlet 221, while the diameter of the second flame outlet 222 is set to 1.2 to 1.7 mm. This size design allows the flame to maintain stable diffusion and effective heat transfer during combustion, thereby improving combustion efficiency and gas utilization, and reducing energy waste. The smaller diameter makes it easier for the airflow to form a high-speed oxidation reaction after entering the flame outlet, promoting complete combustion; the appropriate flame outlet size ensures that combustion products can be quickly discharged, avoiding excessive accumulation of smoke and heat in the combustion chamber, thus improving thermal efficiency and reducing smoke generation; when the gas enters the first flame outlet 221 and the second flame outlet 222, it mixes thoroughly with air, ignites rapidly in the resulting high-temperature environment, and diffuses quickly. The heat generated by combustion is efficiently transferred to the outside through the flame outlet, achieving effective utilization of the gas.

[0036] Please refer to Figure 3 The spacing between two adjacent first flame outlets 221 is 4.5 ~ 5.5 mm, and the spacing between two adjacent second flame outlets 222 is 3.0 ~ 4.0 mm. This spacing effectively improves combustion efficiency and optimizes flame distribution. When the gas is ejected through the flame outlets, the appropriate spacing allows for a more uniform flame distribution within the combustion chamber, preventing flame concentration or incomplete combustion, thereby improving thermal efficiency. After the combustion gases are ejected through the flame outlets, the appropriate spacing allows for uniform diffusion of the airflow within the combustion chamber, promoting thorough mixing with air and thus improving combustion performance. The gas enters the burner through a high-pressure channel and is then ejected through the flame outlets with the set spacing, where it mixes with the air in the combustion chamber and burns, ultimately completing a highly efficient combustion process. The reasonable spacing ensures the stability of flame combustion, preventing localized overheating or incomplete combustion caused by excessive flame concentration, and providing stable heat output.

[0037] Please refer to Figure 3Both the first flame outlet 221 and the second flame outlet 222 are inclined upwards from the inside out, with inclination angles of 25° to 40°. When the flame is ejected from the first flame outlet 221, its special inclination angle generates an upward lifting force, allowing the flame to extend upwards more smoothly after leaving the outlet, avoiding direct downward ejection and improving combustion stability and flame diffusion. After the gas is ignited internally, the resulting flame is ejected through the first flame outlet 221 at a specific inclination angle, directly acting on the inclination angle, thus promoting more efficient and stable flame diffusion, effectively improving flame ejection efficiency and coverage. This inclination angle effectively guides the combustion gases to form a better heat radiation distribution, enhancing combustion efficiency, while avoiding excessive recoil force when the gas is directly ejected, making the combustion process more stable and efficient, and improving the overall energy efficiency ratio and combustion quality of the device.

[0038] Please refer to Figure 5 The diameter of the inner ring flame outlet 310 is 1.5 to 1.8 mm, and the number of inner ring flame outlet 310 is 25 to 30. The diameter range of 1.5 to 1.8 mm ensures effective mixing of gas and air, thereby improving combustion efficiency and allowing for complete combustion, thus enhancing energy utilization efficiency. The number of inner ring flame outlet 310, set between 25 and 30, not only ensures a stable gas supply but also reduces excessively high or low local combustion intensity, preventing overheating or incomplete combustion caused by excessive flame concentration, ensuring uniform flame distribution, and further improving the overall combustion effect.

[0039] In some specific embodiments of this utility model, please refer to Figure 4 The flame transmission groove 211 has multiple flame transmission holes 212 at one end near the inner ring of the outer ring disk 210 for flame transmission. During ignition, the inner ring is ignited first, and then the flame is transmitted to the outer ring through the flame transmission holes 212 and along the flame transmission groove 211, thereby improving the flame transmission efficiency.

[0040] In some specific embodiments of this utility model, please refer to Figure 4A third flame outlet 224, with a diameter of 1.2 to 1.7 mm, is located below the first flame outlet 221. Appropriate air conditioning through the third flame outlet 224 promotes complete combustion of the gas, resulting in more concentrated and evenly distributed heat. Furthermore, it allows for the provision of flames at different heights when heating cookware of varying heights, using both the first and third flame outlets. After the gas is ejected from and ignited through the first flame outlet 221, the airflow through the third flame outlet 224 further increases the contact area between the gas and oxygen, resulting in a more thorough and uniform combustion process. This adapts the gas to a wider range of gas types, such as LPG (liquefied petroleum gas), NG (natural gas), and Town Gas.

[0041] This embodiment also discloses a burner, including the burner cap structure described above.

[0042] In use, the outer flame cap 200 is fastened onto the base 100, and the inner flame cap 300 is fastened onto the base 100 and located within the outer ring plate 210. The flame channel 211 on the outer ring plate 210 guides the gas to the outer ring wall 220, which has multiple first flame outlets 221 and second flame outlets 222. The clearance 223 avoids interference with the pot rack's ears. After ignition, the gas enters the base 100, igniting the inner ring first, then passing through the flame outlets 212 and traveling along the flame channel 211 to the outer ring. The inner flame cap 300 is fastened onto the base 100 and located within the outer ring plate 210. It has inner ring flame outlets 310, which further enhance the intensity of the central flame, achieving effective coordination between the central and peripheral flames, thus ensuring even heating of the cookware. By shifting the second flame outlet 222 on the pot rack ear corresponding to the burner flame downwards and reducing its diameter, the flame length of this segment is effectively shortened, ensuring flame continuity and improving ignition response speed, thereby guaranteeing flame stability. By setting an appropriate number of burner flame outlets and increasing the diameter of individual outlets, combustion conditions are continuously tested and verified to better adapt the burner to Towngas. This effectively reduces CO concentration caused by incomplete combustion, efficiently utilizes the fuel gas, improves burner heating performance, and enhances thermal efficiency and safety.

[0043] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A burner cap structure, characterized in that, include: Base (100); An outer flame cover (200) is fastened to the base (100). The outer flame cover (200) includes an outer ring disc (210) and an outer ring wall (220). The outer ring disc (210) is provided with a flame transfer groove (211). The outer ring wall (220) is connected to the outer ring disc (210). The outer ring wall (220) is provided with a plurality of first flame outlet holes (221) and second flame outlet holes (222). The outer ring wall (220) is also provided with a clearance position (223) for avoiding the pot rack ears. The first flame outlet hole (221) is located in the upper part of the outer ring wall (220), and the second flame outlet hole (222) is located in the lower part of the outer ring wall (220) and below the clearance position (223). The inner flame cover (300) is fastened to the base (100) and located inside the outer ring disk (210). The inner flame cover (300) is provided with an inner ring flame outlet hole (310).

2. The burner cap structure according to claim 1, characterized in that, The diameter of the first fire outlet (221) is larger than the diameter of the second fire outlet (222).

3. The burner cap structure according to claim 2, characterized in that, The diameter of the first flame outlet (221) is 1.8 ~ 2.5 mm, and the diameter of the second flame outlet (222) is 1.2 ~ 1.7 mm.

4. The burner cap structure according to claim 3, characterized in that, The distance between two adjacent first flame outlets (221) is 4.5 ~ 5.5 mm, and the distance between two adjacent second flame outlets (222) is 3.0 ~ 4.0 mm.

5. The burner cap structure according to claim 1, characterized in that, Both the first flame outlet (221) and the second flame outlet (222) are inclined upward from the inside out, and the inclination angle of the first flame outlet (221) and the second flame outlet (222) is 25° ~ 40°.

6. The burner cap structure according to claim 2, characterized in that, The diameter of the inner ring flame outlet (310) is 1.5 to 1.8 mm, and the number of the inner ring flame outlet (310) is 25 to 30.

7. The burner cap structure according to claim 1, characterized in that, The fire transmission groove (211) is provided with a plurality of fire transmission holes (212) at one end near the inner ring of the outer ring disk (210).

8. The burner cap structure according to claim 1, characterized in that, A third fire outlet (224) is provided below the first fire outlet (221).

9. The burner cap structure according to claim 8, characterized in that, The diameter of the third fire outlet (224) is 1.2 ~ 1.7 mm.

10. A burner, characterized in that, The burner includes the burner cap structure as described in any one of claims 1 to 9.

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