A blast burner and gas stove

Abstract

This utility model discloses a blower burner and gas stove, including a base and a blower component. The base is provided with multiple air channels communicating with the air outlets of the blower component. The base is provided with a first air outlet and a second air outlet communicating with the air channels. It also includes an airflow regulating structure that divides the air channels into a first flow chamber and a second flow chamber. The first air outlet is located on one side of the first flow chamber, and the second air outlet is located on one side of the second flow chamber. The airflow regulating structure is used to partially close some air channels, partially close some air channels, and fully connect some air channels. The airflow regulating structure can regulate the amount of air entering from the first flow chamber to the second flow chamber. This utility model provides a blower burner and gas stove that can improve combustion performance.

Description

Technical Field

[0001] This utility model relates to the technical field of stoves, and in particular to a blower burner and a gas stove. Background Technology

[0002] In existing top-intake burners, a blower is often installed to ensure sufficient air supply for gas combustion. However, the blower is usually a single unit located on one side of the burner. Due to the influence of the blower's own spiral structure, the air blown out by the blower cannot enter the burner evenly, resulting in uneven air distribution inside the burner and thus affecting the combustion state of the burner. Utility Model Content

[0003] Firstly, this utility model provides a blower burner that can improve the uniformity of air distribution and improve the combustion state.

[0004] To achieve the above objectives, this utility model discloses a blower burner, including a base and a blower component. The base is provided with multiple air channels communicating with the air outlets of the blower component. The base is also provided with a first air outlet and a second air outlet communicating with the air channels. The blower burner further includes an airflow regulating structure, which divides the air channels into a first flow chamber and a second flow chamber. The first air outlet is located on one side of the first flow chamber, and the second air outlet is located on one side of the second flow chamber. The airflow regulating structure is used to close a portion of the air channels, partially close at least another portion of the air channels, and fully connect the remaining portion of the air channels. The airflow regulating structure can regulate the amount of air entering the second flow chamber from the first flow chamber.

[0005] Optionally, the airflow regulating structure includes a barrier, at least a portion of which is located within the air passage. The barrier positions the first flow cavity on one side of the barrier and the second flow cavity on the other side of the barrier. The barrier is used to completely cover a portion of the air passage, partially cover at least another portion of the air passage, and leave the remaining portion of the air passage uncovered.

[0006] Optionally, the barrier includes a connecting portion connected to the base and a plurality of barrier portions connected to the connecting portion and at least partially placed in different air channels.

[0007] Optionally, the plurality of air channels are distributed circumferentially, the air channels extend from bottom to top, and the airflow adjustment structure positions the first flow cavity below the second flow cavity and the first air outlet below the second air outlet.

[0008] Optionally, the base includes a gas column and an air column located circumferentially outside the gas column. A plurality of air channels are formed between the air column and the gas column, distributed circumferentially along the gas column. The gas column contains a plurality of gas channels, and each gas channel is provided with a corresponding nozzle. The air column has a first air outlet between two adjacent air channels, and the outlet of the nozzle corresponds to the first air outlet. The airflow regulating structure is located above the air channel, which is above the first air outlet.

[0009] Optionally, the cross-sectional area of ​​the airflow regulating structure that encloses the first air passage accounts for 15%-20% of the cross-sectional area of ​​the first air passage, and the cross-sectional area of ​​the airflow regulating structure that encloses the second air passage accounts for 15%-20% of the cross-sectional area of ​​the second air passage.

[0010] Optionally, the base is provided with a secondary air outlet located on one side of the first flow cavity and communicating with the first flow cavity.

[0011] Optionally, multiple second flow chambers are merged into a second air chamber, and the second air outlet is connected to the second air chamber.

[0012] Secondly, this utility model provides a gas stove that can improve combustion efficiency and reduce CO production.

[0013] To achieve the above objectives, this utility model discloses a gas stove, including a blower burner described in the above technical solution.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting different air passages to be closed, partially closed or completely connected through the airflow adjustment structure, the air volume distribution in the air passages with different relative positions to the blower at the first air outlet and the second air outlet is more reasonable, thereby improving the combustion state. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a blower burner disclosed in this utility model; Figure 2 This is a vertical cross-sectional view of a blower burner disclosed in this utility model; Figure 3 This utility model discloses a blower burner, mainly used to display the vertical cross-sectional view of the base; Figure 4 This is a schematic diagram of the main structure of the base of a blower burner disclosed in this utility model; Figure 5This utility model discloses a blower burner, mainly used to show the horizontal cross-sectional view of the air passage; Figure 6 This utility model discloses a horizontal cross-sectional view of a blower burner, mainly used to demonstrate the airflow regulation structure.

[0016] Explanation of reference numerals in the attached drawings: 1. Base; 11. Mounting bracket; 12. Gas column; 120. Gas passage; 13. Air column; 130. Air passage; 131. First air passage; 132. Second air passage; 133. Third air passage; 134. Fourth air passage; 1311. First flow chamber; 1312. Second flow chamber; 1313. Second air chamber; 14. Connecting column; 2. Mixing chamber; 3. Burner cap; 31. Inner ring burner cap; 32. Outer ring burner cap; 310. Inner ring mixing chamber; 311. Secondary air chamber; 320. Outer ring mixing chamber; 4. Blower; 5. Nozzle; 6. Uniform flow deceleration chamber; 71. First air outlet; 72. Second air outlet; 8. Secondary air outlet; 9. Barrier; 91. Connecting part; 92. Barrier part. Detailed Implementation

[0017] The present application will be further described in detail below with reference to the accompanying drawings.

[0018] This application discloses a blower burner, referring to... Figure 1 It includes a base 1, a mixing chamber 2, a burner cap 3, and a blower component 4.

[0019] Reference Figure 2 The burner cap 3 includes an inner ring burner cap 31 and an outer ring burner cap 32. The inner ring burner cap 31 is located inside the inner ring of the outer ring burner cap 32. The inner ring burner cap 31 and the outer ring burner cap 32 are located above the mixing chamber 2. An outer ring mixing chamber 320 is formed between the outer ring burner cap 32 and the mixing chamber 2. An inner ring mixing chamber 310 and a secondary air chamber 311 are formed between the inner ring burner cap 31 and the mixing chamber 2. The secondary air chamber 311 is located inside the inner ring mixing chamber 310. The outer ring burner cap 32 is provided with an outer ring flame hole communicating with the outer ring mixing chamber 320. The inner ring burner cap 31 is provided with an inner ring flame hole communicating with the inner ring mixing chamber 310. An inner ring air slit communicating with the secondary air chamber 311 is provided at the top of the inner ring burner cap 31.

[0020] Reference Figure 3 and Figure 4 The base 1 includes a mounting frame 11, a gas column 12 located at the center of the mounting frame 11, an air column 13 placed around the outer side of the gas column 12, and an ignition needle and thermocouple arranged diagonally.

[0021] Reference Figure 2 and Figure 4The gas column 12 extends vertically upwards and downwards. The horizontal cross-section of the gas column 12 is cross-shaped. Four gas channels 120 are provided inside the four protruding parts of the gas column 12. The four gas channels 120 are arranged around the circumference of the gas column 12. The outlet of the gas channel 120 is located on the outer peripheral side wall of the gas column 12 near the top. A nozzle 5 is provided at the outlet of each gas channel 120. The nozzle 5 is arranged radially along the gas column 12.

[0022] A connecting column 14 extending horizontally and corresponding to the gas passage 120 is provided near the bottom of the gas column 12. The connecting column 14 is provided with a docking channel that communicates with the gas passage 120, and the docking channel is provided with a gas inlet for connecting gas.

[0023] Reference Figure 3 and Figure 4 The air column 13 is integrally formed on the mounting bracket 11. The air column 13 extends vertically up and down and is arranged around the circumference of the gas column 12. There is a gap between the outer peripheral wall of the air column 13 and the gas column 12 to form four air channels 130. The four air channels 130 are evenly arranged along the circumference of the gas column 12.

[0024] A first air outlet 71 is provided on the side wall of the air column 13 between two adjacent air channels 130, and the first air outlet 71 is arranged radially through the air column 13. Each first air outlet 71 is connected to two adjacent air channels 130. Each nozzle 5 corresponds to one first air outlet 71, and the outlet of the nozzle 5 is aligned with the first air outlet 71, so that the combustion gas ejected by the nozzle 5 mixes with the primary air in the air channel 130 and is ejected outward.

[0025] A uniform flow deceleration chamber 6 is provided near the bottom of the air column 13, and the bottoms of the four air channels 130 are all connected to the uniform flow deceleration chamber 6.

[0026] The top of the air column 13 is higher than the top of the gas column 12. The top of the air column 13 is provided with a plurality of second air outlets 72. The second air outlets 72 are connected to the secondary air cavity 311. A second air cavity 1313 connected to the second air outlet 72 is formed between the inner wall of the top of the air column 13 and the outer wall of the top of the gas column 12.

[0027] In order to achieve air replenishment on both sides of the inner ring fire hole, a secondary air outlet 8 that communicates with the interior of the air channel 130 is provided on the circumferential sidewall of the air column 13 at a position between two adjacent first air outlets 71.

[0028] In this embodiment, the blower 4 is a blower and is disposed on one side of the base 1. The blower's outlet blows primary air into the uniform flow deceleration chamber 6. The outlet direction of the blower is perpendicular to the vertical extension direction of the air channel 130. Primary air enters the air channel 130 from the uniform flow deceleration chamber 6 and flows from bottom to top in the air channel 130. Some of the primary air enters the second air chamber 1313 through the gap between the top of the air column 13 and the top of the gas column 12.

[0029] Since the blower is located on one side of the base 1, the air blown by the blower cannot enter each air channel 130 evenly. In order to improve uniformity, the blower burner also includes an airflow regulation structure.

[0030] Reference Figure 3 The airflow regulating structure divides the air channel 130 into a first flow cavity 1311 and a second flow cavity 1312. A first air outlet 71 is located on one side of the first flow cavity 1311, and a second air outlet 72 is located on one side of the second flow cavity 1312. The first flow cavity 1311 is located below the second flow cavity 1312. In this embodiment, the first flow cavity 1311 extends vertically, the second flow cavity 1312 extends horizontally, and multiple second flow cavities 1312 merge into a single second air cavity 1313. In other embodiments, multiple second flow cavities 1312 can be individually configured and each connected to a portion of the second air outlet 72.

[0031] Reference Figure 5 and Figure 6 The airflow regulating structure is used to close a portion of the air passage 130, partially close at least another portion of the air passage 130, and fully connect the remaining portion of the air passage 130. In other words, the airflow regulating structure sets the flow area for airflow at the horizontal cross-section above the first air outlet 71 of the different air passages 130 to be at least partially different. The airflow regulating structure can change the amount of air entering the second flow chamber 1312 from the first flow chamber 1311.

[0032] Reference Figure 6 The airflow regulating structure includes a baffle 9, at least a portion of which is located within the air passage 130. The baffle 9 positions the first flow cavity 1311 on one side of the baffle 9 and the second flow cavity 1312 on the other side of the baffle 9. The baffle 9 is used to fully or partially cover or not cover the flow area of ​​the horizontal cross-section of the corresponding air passage 130 connecting the first flow cavity 1311 and the second flow cavity 1312.

[0033] In this embodiment, the barrier 9 is a horizontally arranged barrier plate. The barrier plate includes a connecting portion 91 integrally formed with the inner peripheral wall of the air column 13, and a plurality of barrier portions 92 connected to the connecting portion 91. At least some of the barrier portions 92 are placed in different air channels 130 and change the cross-sectional area of ​​the corresponding air channels 130 for connecting the first flow cavity 1311 and the second flow cavity 1312. The barrier 9 and the base 1 can be integrally formed, separately formed and then fixed, or detachably fixed.

[0034] Reference Figure 5 and Figure 6 For ease of description, the horizontal cross-section of the base 1 is observed from top to bottom along the central axis of the gas column 12. The four air channels 130 are defined as the first air channel 131, the second air channel 132, the third air channel 133, and the fourth air channel 134, respectively, starting from the lower right corner and proceeding in a counterclockwise direction. The airflow from the outlet of the blower 4 also flows in a counterclockwise direction along the first air channel 131, the second air channel 132, the third air channel 133, and the fourth air channel 134.

[0035] In this embodiment, the first air passage 131 and the second air passage 132 are each partially covered and sealed by a barrier 92. The third air passage 133 has no barrier 92, meaning it is completely open from top to bottom. The remaining barrier 92 completely covers and seals the fourth air passage 134. Because the third air passage 133 is not sealed and contains more air, the pressure is higher, allowing for a larger amount of air to escape. Because the fourth air passage 134 contains less air and the barrier 92 is completely sealed, air will not escape further into the second air chamber 1313. Since the first air passage 131 and the second air passage 132, whose air volume is between that of the third air passage 133 and the fourth air passage 134, are partially sealed, the gas volume in the first air passage 131 to the fourth air passage 134 is more evenly distributed between the first air outlet 71 and the second air outlet 72, thereby improving the combustion state.

[0036] In this embodiment, the cross-sectional area of ​​the airflow regulating structure that closes the first air passage 131 accounts for 15%-20% of the total flow cross-sectional area of ​​the first air passage 131, and the cross-sectional area of ​​the airflow regulating structure that closes the second air passage 132 accounts for 15%-20% of the total flow cross-sectional area of ​​the second air passage 132.

[0037] In other embodiments, the air passage 130 may be configured as two, three or more.

[0038] In other embodiments, the number of barrier elements 9 can be set separately according to the number of air channels 130.

[0039] In other embodiments, the airflow regulating structure may be a guide vane connected within the air passage 130, or an adjustable valve for changing the flow area of ​​the air passage 130.

[0040] In other embodiments, the airflow regulating structure may have the same enclosed area for the first air passage 131 and the second air passage 132.

[0041] This application also discloses a gas stove, including a blower burner described in the above embodiments.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A blower burner, comprising a base (1) and a blower component (4), wherein the base (1) is provided with a plurality of air channels (130) communicating with the air outlets of the blower component (4), and the base (1) is provided with a first air outlet (71) and a second air outlet (72) communicating with the air channels (130), characterized in that, The blower burner also includes an airflow regulating structure, which divides the air passage (130) into a first flow chamber (1311) and a second flow chamber (1312). The first air outlet (71) is located on one side of the first flow chamber (1311), and the second air outlet (72) is located on one side of the second flow chamber (1312). The airflow regulating structure is used to close a portion of the air passage (130), close at least another portion of the air passage (130), and fully connect the remaining portion of the air passage (130); the airflow regulating structure is capable of regulating the amount of air entering the second flow chamber (1312) from the first flow chamber (1311).

2. The blower burner according to claim 1, characterized in that, The airflow regulating structure includes a barrier (9), at least a portion of which is located within the air passage (130). The first flow cavity (1311) is located on one side of the barrier (9), and the second flow cavity (1312) is located on the other side of the barrier (9). The barrier (9) is used to completely cover a portion of the air passage (130), partially cover at least another portion of the air passage (130), and not cover the remaining portion of the air passage (130).

3. A blower burner according to claim 2, characterized in that, The barrier (9) includes a connecting part (91) connected to the base (1) and a plurality of barrier parts (92) connected to the connecting part (91) and at least partially placed in different air channels (130).

4. A blower burner according to claim 1, characterized in that, The plurality of air channels (130) are distributed circumferentially, the air channels (130) extend from bottom to top, and the airflow adjustment structure makes the first flow cavity (1311) located below the second flow cavity (1312) and the first air outlet (71) located below the second air outlet (72).

5. A blower burner according to claim 4, characterized in that, The base (1) includes a gas column (12) and an air column (13) located on the outer periphery of the gas column (12). A plurality of air channels (130) are formed between the air column (13) and the gas column (12) and distributed along the periphery of the gas column (12). A plurality of gas channels (120) are provided in the gas column (12). Each gas channel (120) is provided with a nozzle (5). The air column (13) is provided with a first air outlet (71) between two adjacent air channels (130). The outlet of the nozzle (5) corresponds to the first air outlet (71). The airflow adjustment structure is provided above the first air outlet (71) of the air channel (130).

6. A blower burner according to claim 4, characterized in that, The air passage (130) is provided with four air passages, namely the first air passage (131), the second air passage (132), the third air passage (133), and the fourth air passage (134). The airflow blown out from the air outlet of the blower (4) flows in the order from the first air passage (131), the second air passage (132), the third air passage (133) to the fourth air passage (134). The airflow adjustment structure partially closes the first air passage (131) and the second air passage (132), fully opens the third air passage (133), and closes the fourth air passage (134).

7. A blower burner according to claim 6, characterized in that, The cross-sectional area of ​​the airflow regulating structure that closes the first air passage (131) accounts for 15%-20% of the cross-sectional area of ​​the first air passage (131), and the cross-sectional area of ​​the airflow regulating structure that closes the second air passage (132) accounts for 15%-20% of the cross-sectional area of ​​the second air passage (132).

8. A blower burner according to claim 1, characterized in that, The base (1) is provided with a secondary air outlet (8) located on one side of the first flow cavity (1311) and communicating with the first flow cavity (1311).

9. A blower burner according to claim 1, characterized in that, Multiple second flow chambers (1312) merge into a second air chamber (1313), and the second air outlet (72) is connected to the second air chamber (1313).

10. A gas stove, characterized in that, The invention includes a blower burner as described in any one of claims 1-9.

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