Combustor and stove

Abstract

The utility model provides a burner and a stove, and belongs to the technical field of kitchen equipment. The burner comprises a burner body, an air blowing channel, an air blowing device and a fuel gas injection part, and the burner body comprises a furnace end and an injection channel communicating with the furnace end; the first end of the air blowing channel is fixedly connected to the injection channel and communicates with the injection channel. The blower device comprises a fan and a mounting base, an air duct is formed in the mounting base, the mounting base is provided with an air outlet channel corresponding to the air blowing channel, the air outlet channel is communicated with the air duct and the second end of the air blowing channel, the mounting base is opposite to an air inlet of the injection channel and is spaced from the air inlet of the injection channel, and the mounting base is provided with an injection mounting part corresponding to the air inlet of the injection channel; an air outlet of the fan communicates with the air duct and blows air into the injection channel through the air duct, the air outlet channel and the air blowing channel; and the fuel gas injection part is mounted on the injection mounting part.

Description

Technical Field

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

[0002] The general air-blowing scheme of the existing burner is that a blower directly blows air into the air inlet of an ejector pipe to increase the primary air volume of the ejector pipe. Since the installation of the blower or the blower base is relatively close to the air inlet and the nozzle of the ejector pipe, when the blower is damaged, the ejecting ability of the original nozzle will be affected, resulting in insufficient primary air. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a burner which has an independent air-blowing channel. The blower blows air into the ejector channel and the burner head through the independent air-blowing channel, so as to increase the primary air volume and make the gas and air mix evenly, thereby improving the combustion efficiency. Since the independent air-blowing channel is provided, when the blower or the independent air-blowing channel is damaged, it will not affect the intake of primary air at the air inlet of the ejector channel.

[0004] To achieve the purpose of the utility model, the following technical scheme is adopted:

[0005] According to one aspect of the utility model, a burner is provided, which comprises a burner body, an air-blowing channel, an air-blowing device and a gas injection part. The burner body includes a burner head and an ejector channel communicating with the burner head. The first end of the air-blowing channel is fixedly connected to the ejector channel and communicates with the ejector channel. The air-blowing device includes a blower and a mounting seat. An air duct is formed in the mounting seat. An air outlet channel is arranged on the mounting seat corresponding to the air-blowing channel. The air outlet channel communicates the air duct and the second end of the air-blowing channel. The mounting seat is opposite to the air inlet of the ejector channel and has a distance therebetween. A jet mounting part is arranged on the mounting seat corresponding to the air inlet of the ejector channel. The air outlet of the blower communicates with the air duct and blows air into the ejector channel through the air duct, the air outlet channel and the air-blowing channel. The gas injection part is mounted on the jet mounting part.

[0006] In a preferred embodiment of the utility model, an inner ring cavity and an outer ring cavity are arranged around the burner head. The ejector channel includes a first ejector pipe and a second ejector pipe. The first ejector pipe communicates with the inner ring cavity, and the second ejector pipe communicates with the outer ring cavity. The air-blowing channel includes a first air-blowing pipe and a second air-blowing pipe. The first end of the first air-blowing pipe communicates with the first ejector pipe, and the first end of the second air-blowing pipe communicates with the second ejector pipe. The air outlet channel includes a first air outlet joint and a second air outlet joint. The first air outlet joint and the second air outlet joint communicate with the second ends of the first air-blowing pipe and the second air-blowing pipe respectively. The jet mounting part includes a first through cavity opposite to the first ejector pipe and a second through cavity opposite to the second ejector pipe. The gas injection part includes a first nozzle and a second nozzle. The first nozzle and the second nozzle are respectively mounted in the first through cavity and the second through cavity.

[0007] In a preferred embodiment of the present utility model, the burner head further surrounds a middle ring cavity, the middle ring cavity is located between the inner ring cavity and the outer ring cavity, the injection channel further includes a third injection pipe, the third injection pipe communicates with the middle ring cavity, the air supply channel further includes a third air supply pipe, one end of the third air supply pipe is fixedly connected to the third injection pipe and communicates with the third injection pipe, the air outlet channel further includes a third air outlet joint, the third air outlet joint communicates with the third air supply pipe, the injection installation part further includes a third through cavity opposite to the third injection pipe, and the gas injection part further includes a third nozzle, and the third nozzle is installed in the third through cavity.

[0008] In a preferred embodiment of the present utility model, the first nozzle, the second nozzle and the third nozzle all include a nozzle head and a connecting head, one end of the nozzle head is inserted into one end of the first through cavity, the connecting head is installed at the other end of the first through cavity, and the connecting head is configured to communicate with a gas pipe.

[0009] In a preferred embodiment of the present utility model, the mounting seat is provided with at least one fourth through cavity corresponding to the air inlet of the injection channel, and the fourth through cavity is configured for air to pass through.

[0010] In a preferred embodiment of the present utility model, the air duct includes a transverse main air duct and at least one vertical branch air duct, the vertical branch air duct communicates with the transverse main air duct, the air outlet of the fan communicates with the transverse main air duct, and the air outlet channel communicates with the vertical branch air duct.

[0011] In a preferred embodiment of the present utility model, the transverse main air duct is located above or below the injection installation part.

[0012] In a preferred embodiment of the present utility model, there is an angle of - degrees between the air supply channel and the injection channel.

[0013] In a preferred embodiment of the present utility model, at least one first fixing part is provided on the injection channel, the mounting seat is provided with a second fixing part corresponding to the first fixing part, and the second fixing part is detachably connected to the first fixing part.

[0014] The present utility model also discloses a cooker, including the above-mentioned burner.

[0015] One embodiment of the present utility model has the following advantages or beneficial effects:

[0016] The burner of the present utility model includes a burner body, a blast channel, a blast device, and a gas injection part. The burner body includes a burner head and an ejector channel communicating with the burner head. The first end of the blast channel is fixedly connected to the ejector channel and communicates with the ejector channel. The blast device includes a blower and a mounting seat. An air duct is provided in the mounting seat. The mounting seat is provided with an air outlet channel corresponding to the blast channel. The air outlet channel communicates the air duct and the second end of the blast channel. And the mounting seat is opposite to the air inlet of the ejector channel and has a spacing. The mounting seat is provided with a jet mounting part corresponding to the air inlet of the ejector channel. The air outlet of the blower communicates with the air duct and blows air into the ejector channel through the air duct, the air outlet channel, and the blast channel. The gas injection part is installed on the jet mounting part. The air duct, the air outlet channel, and the blast channel together form an independent blast channel. The blower blows air into the ejector channel and the burner head through the independent blast channel, so as to increase the primary air volume and make the gas and air mix evenly, improving the combustion efficiency. Since an independent blast channel is provided, when the blower or the independent blast channel is damaged, it will not affect the intake of primary air at the air inlet of the ejector channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other features and advantages of the present utility model will become more obvious by referring to the accompanying drawings and describing its exemplary embodiments in detail.

[0018] Figure 1 FIG. 1 is a perspective view of a burner shown according to an exemplary embodiment.

[0019] Figure 2 FIG. 2 is a top view of a burner shown according to an exemplary embodiment.

[0020] Figure 3 FIG. 3 is an A-A cross-sectional view of a burner shown according to an exemplary embodiment.

[0021] Figure 4 FIG. 4 is a B-B cross-sectional view of a burner shown according to an exemplary embodiment.

[0022] Figure 5 FIG. 5 is a cross-sectional view of an ejector channel and a blast channel shown according to an exemplary embodiment.

[0023] Figure 6 FIG. 6 is a cross-sectional view of a burner head shown according to an exemplary embodiment.

[0024] Wherein, the reference numerals are explained as follows:

[0025] 1. Burner body; 11. Burner head; 111. Inner ring cavity; 112. Outer ring cavity; 113. Middle ring cavity; 12. Ejector passage; 121. First ejector pipe; 122. Second ejector pipe; 123. Third ejector pipe; 124. First fixing part; 2. Blowing passage; 21. First blowing pipe; 22. Second blowing pipe; 23. Third blowing pipe; 3. Blowing device; 31. Fan; 32. Mounting seat; 321. Air duct; 3211. Horizontal main air duct; 3212. Vertical branch air duct; 322. Air outlet passage; 3221. First air outlet joint; 3222. Second air outlet joint; 3223. Third air outlet joint; 323. Injection mounting part; 324. Fourth through cavity; 325. Second fixing part; 326. Fan seat; 4. Gas injection part; 41. First nozzle; 411. Nozzle head; 412. Connector; 42. Second nozzle; 43. Third nozzle; 5. Gas distribution plate assembly; 6. Burner cap assembly. Detailed implementation manners

[0026] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this utility model will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed descriptions will be omitted.

[0027] The terms "a", "an", "the", and "said" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.

[0028] As Figure 1-6 shown, a burner according to an embodiment of the present utility model includes a burner body 1, a blowing passage 2, a blowing device 3, and a gas injection part 4.

[0029] The burner body 1 includes a burner head 11 and an ejector passage 12 communicating with the burner head 11. Liquefied gas and primary air enter the burner head 11 through the ejector passage 12.

[0030] The first end of the blowing passage 2 is fixedly connected to the ejector passage 12 and communicates with the ejector passage 12. The blowing device 3 includes a fan 31 and a mounting seat 32.

[0031] The mounting base 32 is rectangular in shape. An air duct 321 is provided inside the mounting base 32. The mounting base 32 is provided with an air outlet duct 322 corresponding to the air blowing duct 2. The air outlet duct 322 communicates the air duct 321 with the second end of the air blowing duct 2. The air duct 321, the air outlet duct 322 and the air blowing duct 2 together form an independent air blowing duct. The air outlet of the air blower 31 communicates with the air duct 321. The air blower 31 blows air into the ejector duct 12 and the burner head 11 through the independent air blowing duct, so as to increase the primary air volume and make the gas and air mix evenly, thereby improving the combustion efficiency. When the air blower 31 or the independent air blowing duct is damaged, it will not affect the intake of primary air at the air inlet of the ejector duct 12.

[0032] Moreover, the mounting base 32 is opposite to the air inlet of the ejector duct 12 and has a spacing therebetween, so that the primary air can be sucked into the ejector duct 12 through the spacing therebetween without affecting the entry of the primary air.

[0033] The mounting base 32 is provided with a jet mounting portion 323 corresponding to the air inlet of the ejector duct 12, and the gas jetting portion 4 is mounted on the jet mounting portion 323.

[0034] The gas jetting portion 4 jets gas into the ejector duct 12. During the jetting process, there is a pressure difference at the air inlet of the ejector duct 12, and the primary air is sucked into the ejector duct 12 and mixed with the gas.

[0035] As Figure 3 shown, in a preferred embodiment of the present utility model, the inner wall of the second end of the air blowing duct 2 has an annular step, and one end of the air outlet duct 322 is inserted into the second end of the air blowing duct 2 and is in sealing abutment with the annular step.

[0036] As Figure 1-6 shown, in a preferred embodiment of the present utility model, the burner head 11 is surrounded by an inner ring cavity 111 and an outer ring cavity 112.

[0037] The ejector duct 12 includes a first ejector pipe 121 and a second ejector pipe 122. The first ejector pipe 121 communicates with the inner ring cavity 111, and the second ejector pipe 122 communicates with the outer ring cavity 112.

[0038] The air blowing duct 2 includes a first air blowing pipe 21 and a second air blowing pipe 22. The first end of the first air blowing pipe 21 communicates with the first ejector pipe 121, and the first end of the second air blowing pipe 22 communicates with the second ejector pipe 122.

[0039] The air outlet duct 322 includes a first air outlet joint 3221 and a second air outlet joint 3222. The first air outlet joint 3221 and the second air outlet joint 3222 are respectively communicated with the second ends of the first air blowing pipe 21 and the second air blowing pipe 22. The first air outlet joint 3221 and the second air outlet joint 3222 are integrally formed with the mounting base 32.

[0040] Alternatively, both the first air outlet connector 3221 and the second air outlet connector 3222 can be detachably installed on the mounting base 32.

[0041] As Figure 4 shown, the injection installation part 323 includes a first through cavity opposite to the first ejector tube 121 and a second through cavity opposite to the second ejector tube 122.

[0042] The gas injection part 4 includes a first nozzle 41 and a second nozzle 42, and the first nozzle 41 and the second nozzle 42 are respectively installed in the first through cavity and the second through cavity.

[0043] The fan 31 blows air into the first ejector tube 121 through the air duct 321, the first air outlet connector 3221 and the first air blowing duct 21. At the same time, the first nozzle 41 injects gas into the first ejector tube 121. The gas and air are mixed in the first ejector tube 121, and the first ejector tube 121 conveys the gas and air into the inner ring cavity 111, and the gas and air are further mixed in the inner ring cavity 111.

[0044] The fan 31 blows air into the second ejector tube 122 through the air duct 321, the second air outlet connector 3222 and the second air blowing duct 22. At the same time, the second nozzle 42 injects gas into the second ejector tube 122. The gas and air are mixed in the second ejector tube 122, and the second ejector tube 122 conveys the gas and air into the outer ring cavity 112, and the gas and air are further mixed in the outer ring cavity 112.

[0045] As Figure 1 , 2 , 6 shown, in a preferred embodiment of the present utility model, the burner head 11 further surrounds a middle ring cavity 113. The middle ring cavity 113 is located between the inner ring cavity 111 and the outer ring cavity 112. The ejector passage 12 further includes a third ejector tube 123. The third ejector tube 123 is communicated with the middle ring cavity 113. The air blowing passage 2 further includes a third air blowing duct 23. The first end of the third air blowing duct 23 is fixedly connected to the third ejector tube 123 and communicated with the third ejector tube 123. The air outlet passage 322 further includes a third air outlet connector 3223. The third air outlet connector 3223 is communicated with the second end of the third air blowing duct 23. The injection installation part 323 further includes a third through cavity opposite to the third ejector tube 123. The gas injection part 4 further includes a third nozzle 43. The third nozzle 43 is installed in the third through cavity.

[0046] Of course, the injection installation part 323 is not limited to a through cavity and can also be a clamping groove. Those skilled in the art can select the structure of the injection installation part 323 according to actual needs.

[0047] The blower 31 blows air into the third ejector tube 123 through the air duct 321, the third air outlet joint 3223, and the third air supply duct 23. At the same time, the third nozzle 43 injects gas into the third ejector tube 123. The gas and air are mixed in the third ejector tube 123, and the third ejector tube 123 conveys the gas and air into the middle ring cavity 113, where the gas and air are further mixed.

[0048] As Figure 3 shown, in a preferred embodiment of the present invention, the second ends of the first air supply duct 21, the second air supply duct 22, and the third air supply duct 23 all have annular steps. The first air outlet joint 3221, the second air outlet joint 3222, and the third air outlet joint 3223 are respectively inserted into the second ends of the first air supply duct 21, the second air supply duct 22, and the third air supply duct 23 and are in sealed contact with the annular steps.

[0049] As Figure 3 shown, in a preferred embodiment of the present invention, the first nozzle 41, the second nozzle 42, and the third nozzle 43 all include a nozzle head 411 and a connecting head 412. One end of the nozzle head 411 is inserted into one end of the first through cavity, and the connecting head 412 is installed at the other end of the first through cavity. The connecting head 412 is configured to communicate with the gas pipe.

[0050] For example, the connecting head 412 is provided with an external thread, and the other end of the first through cavity is provided with an internal thread that mates with the external thread. The connecting head 412 is detachably installed at the other end of the first through cavity.

[0051] As Figure 1 、 4 shown, in a preferred embodiment of the present invention, the mounting seat 32 is provided with at least one fourth through cavity 324 corresponding to the air inlet of the ejector passage 12. The fourth through cavity 324 is configured to allow air to pass through, enabling the primary air to pass smoothly and further improving the uniform mixing of gas and air.

[0052] As Figure 3 shown, in a preferred embodiment of the present invention, the air duct 321 includes a horizontal main air duct 3211 and at least one vertical branch air duct 3212. The vertical branch air duct 3212 communicates with the horizontal main air duct 3211. The air outlet of the blower 31 communicates with the horizontal main air duct 3211, and the air outlet passage 322 communicates with the vertical branch air duct 3212.

[0053] For example, the horizontal main air duct 3211 is located above the injection mounting portion 323, and the vertical branch air duct 3212 is spaced from the injection mounting portion 323, so that the air duct 321 and the injection mounting portion 323 do not interfere with each other.

[0054] Of course, the horizontal main air duct 3211 is not limited to being located above the injection installation part 323, and it can also be located below the injection installation part 323. Those skilled in the art can select the position of the horizontal main air duct 3211 according to actual needs.

[0055] As Figure 1-5 shown, in a preferred embodiment of the present invention, there is an angle of 5 - 45 degrees between the air blowing channel 2 and the ejector channel 12. When the angle is too large, there will be a flow disturbance situation. When the angle is 5 - 45 degrees, the air intake effect is the best. As Figure 5 shown, A is the air blowing flow direction, and B is the gas flow direction.

[0056] As Figure 1 、 2 shown, in a preferred embodiment of the present invention, at least one first fixing part 124 is provided on the ejector channel 12, and the mounting seat 32 is correspondingly provided with a second fixing part 325 for the first fixing part 124. The second fixing part 325 is detachably connected to the first fixing part 124 to realize the fixation of the mounting seat 32.

[0057] As Figure 1 shown, in a preferred embodiment of the present invention, there are two first fixing parts 124, and the two first fixing parts 124 are respectively fixed on the second ejector pipe 122 and the third ejector pipe 123 at both ends of the ejector channel 12. Correspondingly, there are two second fixing parts 325, and the two second fixing parts 325 are respectively fixed on the two first fixing parts 124 by screws.

[0058] As Figure 2 shown, it further includes a fan seat 326, the fan seat 326 is fixedly connected to one end of the mounting seat 32, and the fan 31 is fixed on the fan seat 326.

[0059] As Figure 1-2 shown, in a preferred embodiment of the present invention, it further includes a gas distribution plate assembly 5 and a burner cap assembly 6.

[0060] The gas distribution plate assembly 5 is installed at the upper end of the burner head 11. The gas distribution plate assembly 5 is surrounded by three annular cavities, and the three annular cavities are respectively communicated with the inner ring cavity, the outer ring cavity and the middle ring cavity of the burner head 11. The burner cap assembly 6 includes an inner ring burner cap, a middle ring burner cap and an outer ring burner cap, and the inner ring burner cap, the middle ring burner cap and the outer ring burner cap are respectively installed at the upper ends of the three annular cavities of the gas distribution plate assembly 5.

[0061] The present invention also provides a cooker, including the above-mentioned burner. Due to the adoption of the above-mentioned burner in the cooker of the present invention, the air and gas are evenly mixed. When the fan 31 or the mounting seat 32 is damaged, the fan 31, the mounting seat 32 and the air duct 321 will not affect the injection of the primary air of the ejector channel 12.

[0062] In the embodiments of the present utility model, the term "a plurality of" refers to two or more, unless otherwise clearly defined. Terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0063] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present utility model.

[0064] In the description of this specification, the description of terms such as "one embodiment", "one preferred embodiment" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0065] The above are only the preferred embodiments of the embodiments of the present utility model, and are not used to limit the embodiments of the present utility model. For those skilled in the art, the embodiments of the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model shall be included in the protection scope of the embodiments of the present utility model.

Claims

1. A burner, characterized in that: include: A burner body (1), the burner body (1) comprising a burner head (11) and an injection channel (12) connected to the burner head (11); An air blast channel (2), a first end of the air blast channel (2) being fixedly connected to the ejection channel (12) and communicating with the ejection channel (12); An air blowing device (3), comprising a fan (31) and a mounting seat (32), wherein an air duct (321) is provided in the mounting seat (32), an air outlet channel (322) is provided on the mounting seat (32) corresponding to the air blowing channel (2), the air outlet channel (322) is connected to the air duct (321) and the second end of the air blowing channel (2), and the mounting seat (32) is opposite to and spaced from an air inlet of the ejection channel (12), and an ejection mounting portion (323) is provided on the mounting seat (32) corresponding to the air inlet of the ejection channel (12), the air outlet of the fan (31) is connected to the air duct (321), and air is blown into the ejection channel (12) through the air duct (321), the air outlet channel (322) and the air blowing channel (2); The gas injection portion (4) is mounted on the injection mounting portion (323).

2. The burner according to claim 1, characterized in that The furnace head (11) is surrounded by an inner ring cavity (111) and an outer ring cavity (112); the ejection channel (12) comprises a first ejection tube (121) and a second ejection tube (122); the first ejection tube (121) is in communication with the inner ring cavity (111); the second ejection tube (122) is in communication with the outer ring cavity (112); the blast channel (2) comprises a first blast tube (21) and a second blast tube (22); a first end of the first blast tube (21) is in communication with the first ejection tube (121); a first end of the second blast tube (22) is in communication with the second ejection tube (122); the air outlet channel (322) comprises a first ejection tube (121) and a second ejection tube (122); The gas injection portion (4) comprises a first air outlet joint (3221) and a second air outlet joint (3222), the first air outlet joint (3221) and the second air outlet joint (3222) being respectively connected to the second ends of the first blast pipe (21) and the second blast pipe (22), the injection mounting portion (323) comprising a first through cavity opposite to the first ejector pipe (121) and a second through cavity opposite to the second ejector pipe (122), the gas injection portion (4) comprising a first nozzle (41) and a second nozzle (42), the first nozzle (41) and the second nozzle (42) being respectively installed in the first through cavity and the second through cavity.

3. The burner according to claim 2, characterized in that: The burner head (11) further comprises a middle ring cavity (113) which is located between the inner ring cavity (111) and the outer ring cavity (112); the ejector channel (12) further comprises a third ejector pipe (123) which is in communication with the middle ring cavity (113); the blast channel (2) further comprises a third blast pipe (23) which has one end fixedly connected to the third ejector pipe (123) and in communication with the third ejector pipe (123); the air outlet channel (322) further comprises a third air outlet joint (3223) which is in communication with the third blast pipe (23); the injection mounting portion (323) further comprises a third through cavity which is opposite to the third ejector pipe (123); and the gas injection portion (4) further comprises a third nozzle (43) which is installed in the third through cavity.

4. The burner according to claim 3, characterized in that The first nozzle (41), the second nozzle (42) and the third nozzle (43) each comprise a nozzle head (411) and a connecting head (412); one end of the nozzle head (411) is plugged into one end of the first through cavity; the connecting head (412) is installed at the other end of the first through cavity; the connecting head (412) is configured to communicate with a gas pipe.

5. The burner according to claim 1, characterized in that The mounting seat (32) is provided with at least one fourth through cavity (324) corresponding to the air inlet of the ejection channel (12), and the fourth through cavity (324) is configured for air to pass through.

6. The burner according to claim 1, characterized in that The air duct (321) comprises a transverse main air duct (3211) and at least one vertical branch air duct (3212), the vertical branch air duct (3212) being in communication with the transverse main air duct (3211), the air outlet of the fan (31) being in communication with the transverse main air duct (3211), and the air outlet channel (322) being in communication with the vertical branch air duct (3212).

7. The burner according to claim 6, characterized in that The transverse main air duct (3211) is located above or below the injection mounting portion (323).

8. The burner according to claim 1, characterized in that An included angle between the blast channel (2) and the ejection channel (12) is 5-45 degrees.

9. The burner according to claim 1, characterized in that At least one first fixing portion (124) is provided on the ejection channel (12), and the mounting seat (32) is provided with a second fixing portion (325) corresponding to the first fixing portion (124), and the second fixing portion (325) is detachably connected to the first fixing portion (124).

10. A cooking appliance, characterized in that: Comprising the burner described in any one of claims 1-9.

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