CN218033130U - Three-ring burner and burner - Google Patents

Abstract

The utility model discloses a three-ring furnace end, include the furnace end main part, draw and penetrate pipe, first mount pad and second mount pad. The upper surface of the furnace end main body is provided with an inner ring air outlet channel, a middle ring air outlet channel and an outer ring air outlet channel, and the furnace end main body is provided with a mixing cavity communicated with the middle ring air outlet channel and the outer ring air outlet channel; the injection pipe is spliced with the furnace end main body; the first mounting seat and the second mounting seat are both arranged on the outer wall of the furnace end main body, the first mounting seat is provided with a first mounting position for mounting an ignition needle, and the second mounting seat is provided with a second mounting position for mounting an induction needle. Through setting up well ring mixing chamber and outer loop mixing chamber for gas and air intensive mixing. Simultaneously, through setting up first mount pad and second mount pad in the outer wall of furnace end main part, simple structure, and the installation and the dismantlement of the ignition needle of being convenient for, response needle. In addition, the utility model also discloses a combustor of having above-mentioned three ring furnace end.

Description

Three-ring burner and burner

Technical Field

The utility model relates to a combustor technical field, in particular to tricyclic burner and combustor.

Background

The current three-ring furnace end is generally provided with three gas outlets, the distributor aligns the gas outlets and is installed on the furnace end, and the gas directly enters the distributor through the gas outlets. However, in this method, the gas is intensively supplied to the distributor through the gas outlet, and the gas and the air are not sufficiently mixed, resulting in low thermal efficiency.

In addition, the ignition needle and the induction needle of the burner are usually installed between the inner ring gas outlet and the middle ring gas outlet, so that the inner ring gas outlet and the middle ring gas outlet need to be arranged at intervals, and the structure is complex. Meanwhile, because the ignition needle and the induction needle are arranged between the inner ring gas outlet and the middle ring gas outlet, the ignition needle and the induction needle are partially hidden in the furnace end, and are difficult to clean and inconvenient to detach and install.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a three ring furnace end can be with gas and air intensive mixing, simple structure simultaneously, the dismantlement and the installation of the ignition needle of being convenient for, response needle.

The utility model also provides a combustor with above-mentioned three ring furnace end.

According to the utility model discloses a tricyclic burner of first aspect embodiment includes:

the burner comprises a burner body, wherein the upper surface of the burner body is provided with an inner ring air outlet channel, a middle ring air outlet channel and an outer ring air outlet channel, and the burner body is provided with a mixing cavity communicated with the middle ring air outlet channel and the outer ring air outlet channel;

the injection pipe is spliced with the furnace end main body;

the first mounting seat is arranged on the outer wall of the furnace end main body and provided with a first mounting position for mounting an ignition needle;

the second mounting seat is arranged on the outer wall of the furnace end main body and provided with a second mounting position for mounting the induction needle.

According to the utility model discloses tricyclic burner has following beneficial effect at least:

through setting up the hybrid chamber, can make full use of furnace end main part the cavity space, will draw the gas and the air intensive mixing of penetrating the pipe input and carry again to zhonghuan outlet channel and outer loop outlet channel, prolonged the delivery path of gas, make gas and air mixing more even, and then improve combustion efficiency. Simultaneously, set up in the outer wall of furnace end main part through the first mount pad with the installation ignition needle and the second mount pad of installation response needle, simple structure, and the installation and the dismantlement of the ignition needle of just being convenient for, response needle.

According to some embodiments of the invention, the first mounting location is a first mounting hole opened in the first mounting seat; the second mounting position is a second mounting hole formed in the second mounting seat.

According to some embodiments of the present invention, the side wall of the first mounting seat is provided with a first fixing hole penetrating through the inner wall of the first mounting hole, and the first fixing hole is movably mounted with a first fastening member; and/or a second fixing hole penetrating through the inner wall of the second mounting hole is formed in the side wall of the second mounting seat, and a second fastener is movably mounted in the second fixing hole.

According to some embodiments of the utility model, the first mount pad the second mount pad with furnace end main part formula structure as an organic whole.

According to some embodiments of the utility model, the hybrid chamber is provided with the baffle, the baffle will the hybrid chamber is separated for zhonghuan hybrid chamber and outer loop hybrid chamber, the zhonghuan hybrid chamber with zhonghuan air outlet channel is linked together, the outer loop hybrid chamber with outer loop air outlet channel is linked together.

According to some embodiments of the present invention, the ejector tube comprises an inner ring ejector tube, a middle ring ejector tube and an outer ring ejector tube; the inner ring draws the pipe to communicate the inner ring air outlet channel, the zhonghuan draws the pipe to communicate the zhonghuan mixing chamber, the outer ring draws the pipe to communicate the outer ring mixing chamber.

According to the utility model discloses a some embodiments, the inner ring draw penetrates the pipe the zhonghuan draws penetrates the pipe and the outer loop draws penetrates the pipe and passes through connecting plate fixed connection.

According to some embodiments of the utility model, the connecting plate is close to a side surface of furnace end main part be provided with the inner ring draw penetrate the inner ring connecting portion of pipe intercommunication, with the zhonghuan connecting portion that the zhonghuan draws the pipe intercommunication, with the outer loop draws the outer loop connecting portion that the pipe intercommunication is drawn to the outer loop, inner ring air outlet channel has the inner ring air inlet, the zhonghuan hybrid chamber has the zhonghuan air inlet, the outer loop hybrid chamber has the outer loop air inlet, the embedding of inner ring connecting portion the inner ring air inlet, the embedding of zhonghuan connecting portion the zhonghuan air inlet, the embedding of outer loop connecting portion the outer loop air inlet.

According to the utility model discloses a combustor of second aspect embodiment includes:

the three ring burner of the first aspect embodiment;

the distributor is arranged on the furnace end main body and communicated with the inner ring air outlet channel, the middle ring air outlet channel and the outer ring air outlet channel;

the ignition needle is arranged at the first installation position;

and the induction needle is arranged at the second installation position.

According to the utility model discloses combustor has following beneficial effect at least:

through setting up the three ring furnace end of first aspect embodiment, cavity space in can the make full use of furnace end main part makes the more abundant of gas and air mixing, and simple structure is favorable to the installation and the dismantlement of ignition needle, response needle simultaneously.

According to some embodiments of the present invention, the fire divider has an inner ring air cavity communicated with the inner ring air outlet channel, a middle ring air cavity communicated with the middle ring air outlet channel, and an outer ring air cavity communicated with the outer ring air outlet channel; the ignition needle and the induction needle are positioned between the inner ring air cavity and the outer ring air cavity.

Additional aspects and advantages of the 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.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a furnace end according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a furnace end body according to an embodiment of the present invention;

fig. 3 is an exploded view of a burner according to an embodiment of the present invention;

fig. 4 is an exploded view of a burner according to another embodiment of the present invention;

fig. 5 is a schematic view of a burner according to an embodiment of the present invention.

Reference numerals:

the burner comprises a burner body 100, an inner ring air outlet channel 110, an inner ring air inlet 111, a middle ring air outlet channel 120, a middle ring air inlet 121, a middle ring mixing cavity 122, an outer ring air outlet channel 130, an outer ring air inlet 131, an outer ring mixing cavity 132, a first mounting seat 140, a first mounting hole 141, an ignition needle 142, a first fixing hole 143, a second mounting seat 150, a second mounting hole 151, an induction needle 152, a second fixing hole 153 and a partition plate 160;

the injection pipe 200, the inner ring injection pipe 210, the middle ring injection pipe 220, the outer ring injection pipe 230, the connecting plate 240, the inner ring connecting part 241, the middle ring connecting part 242, the outer ring connecting part 243, the bolt 250, the first connecting hole 251 and the second connecting hole 252;

an igniter 300, an inner ring air chamber 310, an intermediate ring air chamber 320, and an outer ring air chamber 330.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 4, in a first aspect of the present invention, a three-ring burner is provided, including a burner main body 100, an injection tube 200, a first mounting seat 140, and a second mounting seat 150. The upper surface of the furnace end main body 100 is provided with an inner ring air outlet channel 110, a middle ring air outlet channel 120 and an outer ring air outlet channel 130, and the furnace end main body 100 is provided with a mixing cavity communicated with the middle ring air outlet channel 120 and the outer ring air outlet channel 130; the injection pipe 200 is joined to the burner body 100. The first mounting seat 140 and the second mounting seat 150 are both disposed on an outer wall of the burner main body 100, and the first mounting seat 140 has a first mounting position for mounting the fire needle 142, and the second mounting seat 150 has a second mounting position for mounting the induction needle 152.

Through setting up the hybrid chamber, can make full use of furnace end main part 100's cavity space, will draw and carry again to zhonghuan outlet channel 120 and outer loop outlet channel 130 after penetrating the gas of pipe 200 input and air intensive mixing, prolonged the transport route of gas, make gas and air mixing more even, and then can improve combustion efficiency. Meanwhile, the ignition needle 142 and the sensing needle 152 of the general three-ring burner are usually installed between the inner ring exhaust channel 110 and the middle ring exhaust channel 120, and have a complicated structure, and the ignition needle 142 and the sensing needle 152 are partially hidden in the burner body 100, which is not only difficult to clean, but also inconvenient to detach and install the ignition needle 142 and the sensing needle 152. Therefore, by arranging the first mounting seat 140 and the second mounting seat 150 on the outer wall of the burner main body 100, the first mounting seat 140 has a first mounting position capable of mounting the ignition needle 142, and the second mounting seat 150 has a second mounting position capable of mounting the sensing needle 152, so that the ignition needle 142 and the sensing needle 152 can be mounted on the outer wall of the burner main body 100, the structure is simple, and the mounting and dismounting of the ignition needle 142 and the sensing needle 152 are facilitated.

It can be understood that, referring to fig. 1 to 4, in some embodiments of the first aspect of the present invention, the inner ring air outlet channel 110, the middle ring air outlet channel 120, and the outer ring air outlet channel 130 may be sequentially opened on the upper surface of the furnace end main body 100 from inside to outside; the first mounting seat 140 and the second mounting seat 150 may be specifically disposed on the outer peripheral wall of the outer ring air outlet channel 130, and are simple in structure and convenient for mounting and dismounting the ignition needle 142 and the sensing needle 152.

Referring to fig. 1 to 4, in order to facilitate the mounting and dismounting of the ignition needle 142 and the sensing needle 152, in some embodiments of the first aspect of the present invention, the first mounting position is a first mounting hole 141 opened in the first mounting seat 140, and the second mounting position is a second mounting hole 151 opened in the second mounting seat 150. During the assembly, only need install ignition needle 142 in the first mounting hole 141 of first mount pad 140, with respond to the needle 152 install in the second mounting hole 151 of second mount pad 150 can, during the dismantlement, only need take out ignition needle 142 from first mounting hole 141, with respond to needle 152 follow first mounting hole 141 take out can, simple structure, convenient operation is favorable to the installation and the dismantlement of ignition needle 142 and response needle 152.

It can be understood that, in order to facilitate the installation and detachment of the ignition needle 142 and the sensing needle 152, in some embodiments of the first aspect of the present invention, the first installation position may be a first installation hole 141 provided in the first installation seat 140, or a first buckle or a first clamping member provided in the first installation seat 140, and the second installation position may be a second installation hole 151 provided in the second installation seat 150, or a second buckle or a second clamping member provided in the second installation seat 150, which is not limited in this respect.

Referring to fig. 4, in order to fix the ignition needle 142 more stably, in some embodiments of the first aspect of the present invention, the sidewall of the first mounting seat 140 is formed with a first fixing hole 143 penetrating through an inner wall of the first mounting hole 141, and the first fixing hole 143 is movably mounted with a first fastening member (not shown in the figure). During assembly, the ignition needle 142 is mounted in the first mounting hole 141, and then the first fastening piece is screwed into the first fixing hole 143 and abuts against the ignition needle 142, so that the ignition needle 142 is mounted more stably.

Referring to fig. 4, in order to fix the sensing pin 152 more stably, in some embodiments of the first aspect of the present invention, the sidewall of the second mounting seat 150 is provided with a second fixing hole 153 penetrating through the second mounting hole 151, and the second fixing hole 153 is movably mounted with a second fastening member (not shown in the figure). During assembly, the sensing pin 152 is mounted in the second mounting hole 151, and then the second fastening member is screwed into the second fixing hole 153 and abuts against the sensing pin 152, so that the sensing pin 152 is more stably mounted.

It will be appreciated that, with reference to fig. 4, in some embodiments of the first aspect of the present invention, the first fixing hole 143 may be formed in the first mounting seat 140, and the first fastening member may be movably mounted in the first fixing hole 143, and at the same time, the second fixing hole 153 may be formed in the second mounting seat 150, and the second fastening member may be movably mounted in the second fixing hole 153. Of course, the first fixing hole 143 may be provided only in the first mounting base 140 and the first fastening member may be movably mounted in the first fixing hole 143, or the second fixing hole 153 may be provided only in the second mounting base 150 and the second fastening member may be movably mounted in the second fixing hole 153. The present invention is not limited to this embodiment.

It is understood that the first fastener and the second fastener may be a screw fastener, a bolt fastener or other fastening structures, and the present invention is not limited thereto.

Referring to fig. 3 and 4, in order to facilitate the production and manufacture of the burner body 100, in some embodiments of the first aspect of the present invention, the first and second mounting seats 140 and 150 are formed as a single structure with the burner body 100. The furnace end main body 100, the first mounting seat 140 and the second mounting seat 150 are manufactured in an integrated forming mode, so that the production and the manufacturing of the furnace end main body 100 are facilitated, and the operation is simple, convenient and fast.

Referring to fig. 2 and 3, in order to sufficiently mix the gas and the air, in some embodiments of the first aspect of the present invention, the mixing chamber is provided with a partition 160, and the partition 160 divides the mixing chamber into a middle ring mixing chamber 122 and an outer ring mixing chamber 132, wherein the middle ring mixing chamber 122 is communicated with the middle ring air outlet channel 120, and the outer ring mixing chamber 132 is communicated with the outer ring air outlet channel 130. The middle ring mixing cavity 122 can fully mix the gas and the air input by the ejector pipe 200 and then convey the gas and the air to the middle ring gas outlet passage 120, and the outer ring mixing cavity 132 can fully mix the gas and the air input by the ejector pipe 200 and then convey the gas and the air to the outer ring gas outlet passage 130. Therefore, the conveying path of the fuel gas can be prolonged, the fuel gas and the air are mixed more uniformly, and the combustion efficiency can be improved.

Referring to fig. 2 and 3, in order to independently adjust the gas volume that draws the ejector tube 200 and carry to inner ring outlet channel 110, zhonghuan outlet channel 120 and outer loop outlet channel 130, in some embodiments of the first aspect of the present invention, draw the ejector tube 200 to include that the inner ring draws the ejector tube 210, the zhonghuan draws the ejector tube 220 and the outer loop draws the ejector tube 230, wherein, the inner ring draws the ejector tube 210 to communicate the inner ring outlet channel 110, and the zhonghuan draws the ejector tube 220 to communicate zhonghuan mixing chamber 122, and the outer loop draws the ejector tube 230 to communicate the outer ring mixing chamber 132. In the above structure, the gas input from the inner ring ejector pipe 210 can be directly delivered to the inner ring gas outlet passage 110, the gas input from the middle ring ejector pipe 220 can be delivered to the middle ring gas outlet passage 120 through the middle ring mixing cavity 122, and the gas input from the outer ring ejector pipe 230 can be delivered to the outer ring gas outlet passage 130 through the outer ring mixing cavity 132. Therefore, the independent adjustment of the fuel gas amount in the inner ring gas outlet channel 110, the middle ring gas outlet channel 120 and the outer ring gas outlet channel 130 can be realized, and the use by a user is facilitated.

Referring to fig. 4, in order to facilitate the assembly between the injection pipe 200 and the burner body 100, in some embodiments of the first aspect of the present invention, the inner ring injection pipe 210, the middle ring injection pipe 220, and the outer ring injection pipe 230 are fixedly connected through the connecting plate 240. Therefore, the inner ring injection pipe 210, the middle ring injection pipe 220 and the outer ring injection pipe 230 do not need to be separately assembled with the furnace end main body 100, so that the assembly of the inner ring injection pipe 210, the middle ring injection pipe 220, the outer ring injection pipe 230 and the furnace end main body 100 is simpler, more convenient and faster.

It can be understood, refer to fig. 3 and 4, in order to facilitate the manufacturing of the three-ring burner head in some embodiments of the first aspect of the present invention, the inner ring draws the ejector tube 210, the middle ring draws the ejector tube 220 and the outer ring draws the ejector tube 230 to pass through the connecting plate 240 fixed connection, specifically can draw the ejector tube 210, the middle ring to draw the ejector tube 220 and the outer ring to draw the ejector tube 230 to adopt integrated into one piece's mode to make the inner ring, simple convenient and fast, the three-ring burner head of being convenient for manufacture.

Referring to fig. 3 and 4, in order to facilitate the assembly between the injection pipe 200 and the furnace end main body 100, in some embodiments of the first aspect of the present invention, an inner ring connecting portion 241 communicated with the inner ring injection pipe 210, a middle ring connecting portion 242 communicated with the middle ring injection pipe 220, and an outer ring connecting portion 243 communicated with the outer ring injection pipe 230 are disposed on a side surface of the connecting plate 240 close to the furnace end main body 100; the inner ring outlet channel 110 has an inner ring inlet 111, the middle ring mixing chamber 122 has a middle ring inlet 121, and the outer ring mixing chamber 132 has an outer ring inlet 131; the inner ring connecting portion 241 is inserted into the inner ring inlet 111, the middle ring connecting portion 242 is inserted into the middle ring inlet 121, and the outer ring connecting portion 243 is inserted into the outer ring inlet 131. In the above structure, the inner ring connecting part 241 is embedded in the inner ring air inlet 111, so that the fuel gas of the inner ring ejector pipe 210 can be delivered to the inner ring air outlet passage 110 through the inner ring air inlet 111; the middle ring connecting part 242 is embedded in the middle ring air inlet 121, so that the fuel gas of the middle ring injection pipe 220 can be conveyed to the middle ring mixing cavity 122 through the middle ring air inlet 121; the outer ring connecting portion 243 is embedded in the outer ring air inlet 131, so that the fuel gas of the outer ring ejector pipe 230 can be delivered to the outer ring mixing chamber 132 through the outer ring air inlet 131. During assembly, only the inner ring connecting part 241 is embedded into the inner ring air inlet 111, the middle ring connecting part 242 is embedded into the middle ring air inlet 121, and the outer ring connecting part 243 is embedded into the outer ring air inlet 131.

It can be understood that, referring to fig. 3 and 4, in order to make the connection between the injection pipe 200 and the burner body 100 more stable, the burner body 100 and the injection pipe 200 may be connected by a bolt 250. The periphery of the injection pipe 200 is provided with at least one first connection hole 251, the burner main body 100 is provided with at least one second connection hole 252 corresponding to the first connection hole 251, when assembling, the inner ring connection portion 241 is embedded into the inner ring air inlet 111, the middle ring connection portion 242 is embedded into the middle ring air inlet 121, and the outer ring connection portion 243 is embedded into the outer ring air inlet 131, so that the connection plate 240 is attached to the outer peripheries of the inner ring air inlet 111, the middle ring air inlet 121 and the outer ring air inlet 131, the bolt 250 sequentially penetrates through the first connection hole 251 and the second connection hole 252, the assembling between the injection pipe 200 and the burner main body 100 can be realized, and the connection between the injection pipe 200 and the burner main body 100 is more stable.

Referring to fig. 5, an embodiment of a second aspect of the present invention provides a burner, including the three-ring burner of the first aspect, a distributor 300, an ignition needle 142 and a sensing needle 152. The distributor 300 is installed on the burner body 100, and the distributor 300 is communicated with the inner ring outlet channel 110, the middle ring outlet channel 120 and the outer ring outlet channel 130 of the burner body 100. The ignition pin 142 is mounted to a first mounting location of the first mounting base 140, and the sensing pin 152 is mounted to a second mounting location of the second mounting base 150. Through setting up the three-ring furnace end of first aspect embodiment, can make full use of furnace end main part 100's cavity space, will draw and carry to zhonghuan outlet channel 120 and outer loop outlet channel 130 after penetrating the gas and the air intensive mixing of pipe 200 input, can prolong the delivery path of gas, make gas and air mixing more even, and then improve combustion efficiency. Meanwhile, the ignition needle 142 is mounted at the first mounting position of the first mounting seat 140, the induction needle 152 is mounted at the second mounting position of the second mounting seat 150, and the first mounting seat 140 and the second mounting seat 150 are both arranged on the outer wall of the furnace end main body 100, so that the ignition needle 142 and the induction needle 152 can be mounted on the outer wall of the furnace end main body 100, the structure is simple, and the ignition needle 142 and the induction needle 152 can be mounted and dismounted conveniently.

Referring to fig. 5, in some embodiments of the second aspect of the present invention, in order to make the operation of the ignition needle 142 and the sensing needle 152 more stable and reliable, the distributor 300 has an inner ring air chamber 310 communicated with the inner ring air outlet passage 110, a middle ring air chamber 320 communicated with the middle ring air outlet passage 120, and an outer ring air chamber 330 communicated with the outer ring air outlet passage 130; the ignition needle 142 and the sensing needle 152 are located between the inner ring air chamber 310 and the intermediate ring air chamber 320. In the above structure, the ignition needle 142 and the sensing needle 152 are both located between the inner ring air cavity 310 and the middle ring air cavity 320, which is convenient for ignition and makes the work of the ignition needle 142 and the sensing needle 152 more stable and reliable.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. Three ring furnace end, its characterized in that includes:

the burner comprises a burner body (100), wherein an inner ring air outlet channel (110), a middle ring air outlet channel (120) and an outer ring air outlet channel (130) are formed in the upper surface of the burner body (100), and the burner body (100) is provided with a mixing cavity communicated with the middle ring air outlet channel (120) and the outer ring air outlet channel (130);

the injection pipe (200) is spliced with the furnace end main body (100);

the first mounting seat (140) is arranged on the outer wall of the furnace end main body (100), and the first mounting seat (140) is provided with a first mounting position for mounting an ignition needle (142);

the second mounting seat (150) is arranged on the outer wall of the furnace end main body (100), and the second mounting seat (150) is provided with a second mounting position for mounting an induction needle (152).

2. A tricyclic burner head according to claim 1,

the first mounting position is a first mounting hole (141) formed in the first mounting base (140);

the second mounting position is a second mounting hole (151) formed in the second mounting seat (150).

3. A tricyclic burner head according to claim 2,

a first fixing hole (143) penetrating through the inner wall of the first mounting hole (141) is formed in the side wall of the first mounting seat (140), and a first fastening piece is movably mounted in the first fixing hole (143);

and/or a second fixing hole (153) penetrating through the inner wall of the second mounting hole (151) is formed in the side wall of the second mounting seat (150), and a second fastening piece is movably mounted in the second fixing hole (153).

4. A tricyclic burner head according to claim 2,

the first mounting seat (140), the second mounting seat (150) and the furnace end main body (100) are of an integrated structure.

5. A tricyclic burner head according to claim 1,

the mixing cavity is provided with a partition plate (160), the mixing cavity is divided into a middle ring mixing cavity (122) and an outer ring mixing cavity (132) by the partition plate (160), the middle ring mixing cavity (122) is communicated with the middle ring air outlet channel (120), and the outer ring mixing cavity (132) is communicated with the outer ring air outlet channel (130).

6. A tricyclic burner head according to claim 5,

the ejector pipe (200) comprises an inner ring ejector pipe (210), a middle ring ejector pipe (220) and an outer ring ejector pipe (230);

the inner ring injection pipe (210) is communicated with the inner ring air outlet channel (110), the middle ring injection pipe (220) is communicated with the middle ring mixing cavity (122), and the outer ring injection pipe (230) is communicated with the outer ring mixing cavity (132).

7. A tricyclic burner head according to claim 6,

the inner ring injection pipe (210), the middle ring injection pipe (220) and the outer ring injection pipe (230) are fixedly connected through a connecting plate (240).

8. A three ring burner as in claim 7,

an inner ring connecting part (241) communicated with the inner ring injection pipe (210), a middle ring connecting part (242) communicated with the middle ring injection pipe (220) and an outer ring connecting part (243) communicated with the outer ring injection pipe (230) are arranged on the surface of one side, close to the furnace end main body (100), of the connecting plate (240),

the inner ring outlet channel (110) is provided with an inner ring inlet (111), the middle ring mixing cavity (122) is provided with a middle ring inlet (121), the outer ring mixing cavity (132) is provided with an outer ring inlet (131),

the inner ring connecting part (241) is embedded into the inner ring air inlet (111), the middle ring connecting part (242) is embedded into the middle ring air inlet (121), and the outer ring connecting part (243) is embedded into the outer ring air inlet (131).

9. A burner, comprising:

a tricyclic burner as claimed in any one of claims 1 to 8;

a distributor (300) mounted to the burner body (100), the distributor (300) being in communication with the inner ring outlet passage (110), the middle ring outlet passage (120), and the outer ring outlet passage (130);

an ignition needle (142) mounted to the first mounting location;

and the induction needle (152) is arranged at the second installation position.

10. The burner of claim 9,

the fire divider (300) is provided with an inner ring air cavity (310) communicated with the inner ring air outlet channel (110), a middle ring air cavity (320) communicated with the middle ring air outlet channel (120) and an outer ring air cavity (330) communicated with the outer ring air outlet channel (130);

the ignition needle (142) and the sensing needle (152) are located between the inner ring air cavity (310) and the outer ring air cavity (330).

Images