CN220169449U - Furnace end and have its combustor - Google Patents

Abstract

The utility model provides a burner and a burner with the same, and belongs to the technical field of gas stoves, wherein the burner comprises a burner main body, a burner lower cover connected to the lower part of the burner main body and a burner upper cover connected to the top of the burner main body, the burner main body comprises a burner main body outer ring groove, the burner main body outer ring groove comprises an air inlet area, a buffer area and an air homogenizing area, and the buffer area is used for slowing down the flow rate of gas input by the air inlet area; the lower cover of the burner comprises a first air guide mechanism connected to the outer annular groove of the burner main body; the upper cover of the furnace head is provided with an outer ring air outlet hole corresponding to the outer ring groove of the furnace head main body; the first air guide mechanism covers the air inlet hole group of the outer ring groove of the burner body and is used for conveying air to the air inlet area, the buffer area and the air homogenizing area. The utility model can increase the volume of the internal cavity of the furnace end, improve the injection performance and lead the flame to be even.

Description

Furnace end and have its combustor

Technical Field

The utility model relates to the technical field of gas stoves, in particular to a stove head and a combustor with the same.

Background

In general, in order to improve the working conditions such as tempering, the head cavity of the furnace end is designed to be smaller, and a diversion inclined plane is added at the tail end of the injection pipe.

However, if the injection performance is enhanced and the cavity is small, the pressure of each air outlet of the head of the burner is uneven, so that the air outlet quantity at the air outlet close to the head of the burner is larger, the flame is larger, and the phenomenon of uneven flame occurs. Moreover, due to the arrangement of the inclined plane, the air flow can be forced to collide at the inclined plane to change the direction, so that the gas outlet quantity of the gas outlet close to the inclined plane is larger, and the flame non-uniformity is further influenced.

Disclosure of Invention

The utility model aims to provide a furnace end, which ensures that the gas outlet from the outer ring gas outlet holes is uniform and the flame is uniform through the gas inlet region, the buffer region and the gas homogenizing region.

The utility model aims to provide a combustor.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, a burner is provided. The furnace end includes:

the furnace end main body comprises a furnace end main body outer ring groove, wherein the furnace end main body outer ring groove comprises an air inlet area, a buffer area and an air homogenizing area, and the buffer area is used for slowing down the flow rate of air input by the air inlet area;

the lower cover of the burner is connected to the lower part of the burner main body and comprises a first air guide mechanism connected to an outer annular groove of the burner main body;

the furnace end upper cover is connected to the top of the furnace end main body and is provided with an outer ring air outlet hole corresponding to the outer ring groove of the furnace end main body;

the gas inlet device comprises a gas inlet area, a buffer area, a gas outlet area, a gas guide mechanism, a gas inlet hole group, a gas guide mechanism and a gas outlet hole group, wherein the gas inlet hole group is arranged in the gas inlet area and is positioned in the outer annular groove of the gas inlet area, the gas inlet hole group is arranged in the outer annular groove of the gas inlet area, the gas guide mechanism covers the gas inlet hole group is arranged in the outer annular groove of the gas inlet area, and the gas guide mechanism is used for conveying the gas to the gas inlet hole group of the outer annular groove of the gas inlet area so that the gas can be output from the gas outlet hole group of the outer annular after passing through the gas inlet area, the buffer area and the gas equalizing area.

According to an embodiment of the present utility model, the burner body outer ring groove includes a first annular wall, a second annular wall located inside the first annular wall, and a burner body outer ring groove bottom wall, and the burner body outer ring groove air intake hole group includes:

the air inlet of the first furnace head main body outer ring groove is arranged on the bottom wall of the furnace head main body outer ring groove;

the second furnace end main body outer ring groove air inlet hole is formed in the first annular wall and communicated with one side of the first furnace end main body outer ring groove air inlet hole;

the air inlet hole of the outer ring groove of the second furnace end main body is arc-shaped, and the air inlet area of the outer ring groove of the furnace end main body is increased through the air inlet hole of the outer ring groove of the first furnace end main body and the air inlet hole of the outer ring groove of the second furnace end main body.

According to an embodiment of the present utility model, the lower portion of the first annular wall adjacent to the other side of the air intake hole of the first burner main body outer annular groove is protruded outwardly to form a first annular wall groove, and the first air guide mechanism includes:

the longitudinal section of the upper shell is arc-shaped with a downward opening and is fixedly connected to the periphery of the first annular wall, which is close to the air inlet hole of the outer annular groove of the second furnace end main body;

the top of the lower shell is provided with a lower shell opening, the lower shell opening comprises a first lower shell groove corresponding to the first annular wall groove, a second lower shell groove corresponding to the air inlet hole of the first furnace head main body outer annular groove and a third lower shell groove corresponding to the upper shell, and the longitudinal sections of the second lower shell groove and the third lower shell groove are U-shaped;

the inner cavity of the first annular wall groove forms the buffer zone, and the upper shell is matched with the third lower shell groove to form an outer injection pipe for injecting the gas.

According to an embodiment of the present utility model, the burner main body further includes:

a first cylinder located inside the second annular wall;

a connecting plate connecting the second annular wall and the first cylinder;

the lower part of the second annular wall, which is close to the air inlet side of the first furnace head main body outer annular groove, is provided with a second annular wall through hole, and the connecting plate is connected to the wall of the second annular wall through hole and is used for increasing the air storage capacity of the furnace head main body outer annular groove.

According to an embodiment of the utility model, the second annular wall through hole and the connecting plate respectively comprise a vertical section and a horizontal section fixedly connected to the top of the vertical section, wherein the vertical section is connected with the periphery of the first cylinder in a cutting way.

According to an embodiment of the present utility model, the burner lower cover further includes a second air guiding structure, and the second air guiding structure includes:

the outer groove wall of the annular groove is connected with the first cylinder;

the second cylinder is fixedly connected to the inner groove wall of the annular groove and inserted into the first cylinder, and an inner ring channel is formed by the first cylinder, the annular groove and the second cylinder;

the inner injection pipe is used for injecting the gas to the inner ring channel and comprises a lower half pipe fixedly connected to the outer groove wall of the annular groove and an upper half pipe fixedly connected to the first cylinder, an annular groove through hole corresponding to the lower half pipe is formed in the annular groove, and a first cylinder through hole corresponding to the upper half pipe is formed in the first cylinder.

According to one embodiment of the utility model, an annular groove step is formed at the top of the outer groove wall of the annular groove, a first cylinder step corresponding to the annular groove step is formed at the bottom of the first cylinder, and the annular groove step is matched with the first cylinder step so as to align the annular groove with the first cylinder.

According to an embodiment of the present utility model, the burner upper cover is mounted with:

the middle part of the furnace end upper cover is provided with a furnace end upper cover through hole, and the bottom of the third cylinder is abutted against the first cylinder;

a fourth cylinder which is positioned in the third cylinder, and the bottom of the fourth cylinder is abutted against the second cylinder;

a mounting plate connected between the third cylinder and the fourth cylinder;

wherein, at least 2 inner ring ventholes have been seted up to the mounting panel.

According to a second aspect of the present utility model, there is provided a burner comprising:

a burner according to any one of the first aspect of the present utility model;

the distributor is connected with the furnace end and comprises a distributor outer annular groove corresponding to the furnace end main body outer annular groove and a distributor inner annular groove corresponding to the inner annular channel, and the groove wall of the distributor inner annular groove is connected with the tops of the third cylinder and the fourth cylinder;

the outer fire cover is covered on the outer ring groove of the distributor;

the inner fire cover is covered on the inner ring groove of the distributor;

the distributor outer ring groove is provided with a distributor outer ring groove through hole corresponding to the outer ring air outlet hole, and the distributor inner ring groove is provided with a distributor inner ring groove through hole corresponding to the inner ring air outlet hole.

According to one embodiment of the utility model, the outer fire cover comprises an outer fire cover inner wall which is in a conical structure, wherein a plurality of outer fire cover air outlet hole groups are formed in the outer fire cover inner wall, and the outer fire cover air outlet hole groups are uniformly distributed along the outer fire cover inner wall.

According to one embodiment of the utility model, the outer fire cover air outlet hole group comprises a first outer fire cover air outlet hole and a second outer fire cover air outlet hole, the height of the first outer fire cover air outlet hole is larger than that of the second outer fire cover air outlet hole, and the first outer fire cover air outlet hole and the second outer fire cover air outlet hole are arranged at intervals.

According to one embodiment of the utility model, a plurality of inner fire cover fire holes are formed in the top of the inner fire cover so as to form a flame in the vertical direction.

According to one embodiment of the utility model, a metal ring is connected between the inner wall of the outer fire cover and the distributor to protect the distributor.

According to one embodiment of the utility model, the burner upper cover is provided with a plurality of burner upper cover protruding parts corresponding to the outer ring air outlet holes, and the burner upper cover protruding parts are provided with burner upper cover protruding part through holes corresponding to the outer ring air outlet holes;

the bottom of the distributor outer ring groove is connected with a distributor limiting block corresponding to the protruding portion of the upper cover of the furnace end, and distributor through holes corresponding to the through holes of the protruding portion of the upper cover of the furnace end are formed in the distributor limiting block and the distributor outer ring groove.

According to one embodiment of the utility model, a limiting groove corresponding to the furnace end upper cover protruding part is formed in the bottom of the distributor limiting block, and the furnace end upper cover protruding part is inserted into the limiting groove so as to align the distributor with the furnace end upper cover.

According to one embodiment of the utility model, the distributor outer ring groove is connected with the furnace end upper cover through a bolt, and the distributor limiting block close to one side of the bolt is provided with a baffle plate for protecting the bolt.

According to one embodiment of the utility model, the distributor outer ring groove and the furnace end upper cover are integrally formed.

According to one embodiment of the utility model, the inner ring groove of the distributor is fixedly connected to the inner periphery of the outer ring groove of the distributor; or,

the outer groove wall of the distributor inner groove is detachably connected with the third cylinder, and the inner groove wall of the distributor inner groove is detachably connected with the fourth cylinder.

One embodiment of the present utility model has the following advantages or benefits:

according to the burner disclosed by the utility model, through optimizing the structures of the lower cover of the burner and the main body of the burner, gas can be injected into the outer annular groove of the main body of the burner, and the cavity in the burner can be enlarged. Through set up in furnace end main part outer annular the air inlet zone the buffer area with after making gas through air inlet zone and buffer area, pressure stability, the further mixing of again through the air equalization area obtains the best state, then flows from outer loop venthole for the air-out is even, and the flame is even, can not appear the continuous flame phenomenon in somewhere.

The burner of the utility model has the technical effects that the burner has the same technical effects as the burner.

The outer fire cover is provided with the outer fire cover air outlet hole group, the outer fire cover air outlet hole group is provided with the inner wall of the outer fire cover, and the outer fire cover air outlet hole group is provided with the inner wall of the outer fire cover.

Through interior fire lid fire hole is the upper spray type fire hole design of straight cut, and flame air current is upwards directly spouted, through the cooperation of interior outer loop flame, further strengthens rotatory ascending power, and whole flame is concentrated, and is powerful.

Drawings

The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a schematic diagram of a burner according to an exemplary embodiment.

Fig. 2 is an exploded view of a burner according to an exemplary embodiment.

Fig. 3 is a schematic view showing the connection of the burner main body and the burner lower cover according to an exemplary embodiment.

Fig. 4 is a top view of a burner body according to an exemplary embodiment.

Fig. 5 is a bottom view of a burner body shown according to an exemplary embodiment.

Fig. 6 is a schematic view of a burner lower cover shown according to an exemplary embodiment.

Fig. 7 is a schematic view of a burner top cover shown according to an exemplary embodiment.

FIG. 8 is a schematic diagram of a combustor shown in accordance with an exemplary embodiment.

Fig. 9 is an exploded view of a burner shown according to an exemplary embodiment.

Fig. 10 is a schematic view of an distributor shown according to an exemplary embodiment.

Wherein reference numerals are as follows:

1. a burner main body; 11. an outer annular groove of the burner main body; 110. an air inlet group of the external ring groove of the burner main body; 1101; an air inlet hole of an outer ring groove of the first furnace head main body; 111. a first annular wall; 1111. a first annular wall groove; 112. a second annular wall; 113. the bottom wall of the outer annular groove of the burner main body; 100. an air intake zone; 101. a buffer area; 102. the air equalizing area; 12. a first cylinder; 120. a first cylindrical through hole; 121. a first cylindrical step; 13. a connecting plate; 131. a vertical section; 132. a horizontal section;

2. a burner lower cover; 21. a first air guide mechanism; 210. an outer ejector tube; 211. an upper housing; 212. a lower housing; 2121. a first lower housing groove; 2122. a second lower housing groove; 2123. a third lower housing groove; 22. a second air guide structure; 221. an annular groove; 2210. annular groove through holes; 2211. an annular groove step; 222. a second cylinder; 223. an inner ejector tube; 2231. a lower half pipe; 2232. an upper half pipe;

3. a furnace head upper cover; 30. an outer ring air outlet hole; 31. a third cylinder; 32. a fourth cylinder; 33. a mounting plate; 34. a furnace head upper cover protruding part; 340. a furnace head upper cover bulge part through hole; 300. an inner ring air outlet hole;

4. a fire divider; 40. a distributor through hole; 41. an outer ring groove of the distributor; 42. an inner ring groove of the distributor; 421. through holes of an inner ring groove of the distributor; 43. a distributor limiting block; 431. a limit groove; 44. a baffle;

5. an outer fire cover; 51. an outer fire cover inner wall; 52. an outer fire cover air outlet hole group; 521. a first outer fire cover air outlet hole; 522. a second outer fire cover air outlet hole;

6. an inner fire cover; 61. an inner fire cover fire hole;

7. a metal ring.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The terms "a," "an," "the" and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.

As shown in fig. 1 to 7, fig. 1 shows a schematic view of a burner provided by the present utility model. Fig. 2 shows an exploded view of the burner provided by the utility model. Fig. 3 shows a schematic connection diagram of the burner main body 1 and the burner lower cover 2 provided by the utility model. Fig. 4 shows a top view of the burner body 1 provided by the present utility model. Fig. 5 shows a bottom view of the burner body 1 provided by the present utility model. Fig. 6 shows a schematic view of the burner lower cover 2 provided by the utility model. Fig. 7 shows a schematic view of the burner upper cover 3 provided by the utility model.

The utility model provides a furnace end, which comprises:

the burner main body 1 comprises a burner main body outer annular groove 11, wherein the burner main body outer annular groove 11 comprises an air inlet area 100, a buffer area 101 and an air equalizing area 102, and the buffer area 101 is used for reducing the flow rate of air input by the air inlet area 100;

a burner lower cover 2 connected to the lower part of the burner main body 1 and comprising a first air guide mechanism 21 connected to the outer ring groove 11 of the burner main body;

the furnace end upper cover 3 is connected to the top of the furnace end main body 1, and the furnace end upper cover 3 is provided with an outer ring air outlet hole 30 corresponding to the outer ring groove 11 of the furnace end main body;

wherein, the outer ring groove air inlet hole group 110 of the burner main body is arranged on the outer ring groove 11 of the burner main body in the air inlet region 100, the first air guide mechanism 21 is covered on the outer ring groove air inlet hole group 110 of the burner main body, and the first air guide mechanism 21 is used for conveying air to the outer ring groove air inlet hole group 110 of the burner main body, so that the air is output from the outer ring air outlet hole 30 after passing through the air inlet region 100, the buffer region 101 and the air equalizing region 102.

According to the utility model, the burner is sequentially divided into the upper burner cover 3, the main burner body 1 and the lower burner cover 2 from top to bottom, and the first air guide mechanism 21 is arranged on the air inlet group 110 of the outer annular groove of the main burner body by connecting the lower burner cover 2 to the lower part of the main burner body 1, so that air can be injected into the outer annular groove 11 of the main burner body, and the cavity in the main burner can be enlarged. The gas of the present utility model is a mixed gas of air and fuel gas.

In addition, as can be seen from fig. 1 to 4, the inner part of the outer ring groove 11 of the burner main body is divided into an air inlet area 100, a buffer area 101 and an air homogenizing area 102, wherein the lower part of the dotted line is the area comprising the air inlet hole group 110 of the outer ring groove of the burner main body, the upper part of the dotted line is the air homogenizing area 102, the cavity of the outer ring groove 11 of the burner main body protruding outwards is the buffer area 101, and the air is conveyed to the air inlet hole group 110 of the outer ring groove of the burner main body through the first air guide mechanism 21 to complete preliminary mixing, at this time, the air and the air mixture basically forms stable pressure, the flow rate is reduced, but the excessive kinetic energy still breaks the air homogenizing area 102 to reach the buffer area 101, the buffer area 101 is used for collecting the air with the excessive kinetic energy, and the purpose that the flow rate reaches a stable state after the air comes out from the buffer area 101. If the buffer area 101 is not arranged, the redundant kinetic energy of the air-mixed gas cannot be buffered, the air flow impinges on the wall surface at the juncture of the air inlet area 100 and the buffer area 101, so that the air-mixed gas flows around the air-mixed gas, part of the air-mixed gas escapes from the outer ring air outlet holes 30 close to the upper part of the outer ring groove air inlet hole group 110 of the burner main body, the amount of the gas is large, the fire is uneven, and the continuous flame phenomenon occurs.

According to the utility model, the injection performance can be improved while the volume of the internal cavity of the furnace end is increased, so that the pressure of gas is stable after the gas passes through the gas inlet area 100 and the buffer area 101, the gas passes through the gas equalizing area 102 and is further mixed to obtain an optimal state, and the gas flows out of the outer ring gas outlet holes 30, so that the gas is uniform, the flame is uniform and exquisite, and the continuous flame phenomenon can not occur at a certain place.

In a preferred embodiment of the present utility model, the burner body outer ring groove 11 includes a first annular wall 111, a second annular wall 112 located inside the first annular wall 111, and a burner body outer ring groove bottom wall 113, and the burner body outer ring groove intake hole group 110 includes:

the first furnace end main body outer ring groove air inlet 1101 is arranged on the bottom wall 113 of the furnace end main body outer ring groove;

the second furnace end main body outer ring groove air inlet hole is formed in the first annular wall 111 and is communicated with one side of the first furnace end main body outer ring groove air inlet 1101;

the air inlet hole of the outer ring groove of the second furnace end main body is arc-shaped, and the air inlet area of the outer ring groove 11 of the furnace end main body is increased through the air inlet hole 1101 of the outer ring groove of the first furnace end main body and the air inlet hole of the outer ring groove of the second furnace end main body.

As shown in fig. 2-5, compared with the structure of the conventional burner air inlet, the first annular wall 111 is provided with the second outer annular groove air inlet and the bottom wall 113 of the outer annular groove of the burner main body is provided with the first outer annular groove air inlet 1101, so that the air inlet area is increased, the air flow rate is reduced rapidly, and the cavity can be filled rapidly.

In a preferred embodiment of the present utility model, a lower portion of the first annular wall 111 adjacent to the other side of the first burner body outer ring groove intake hole 1101 is protruded outwardly to form a first annular wall recess 1111, and the first air guide mechanism 21 includes:

the upper shell 211 is arc-shaped with a downward opening in the longitudinal section and fixedly connected to the outer periphery of the first annular wall 111, which is close to the air inlet of the outer annular groove of the second furnace end main body;

the lower shell 212, the top of the lower shell 212 is provided with a lower shell opening, which comprises a first lower shell groove 2121 corresponding to the first annular wall groove 1111, a second lower shell groove 2122 corresponding to the first furnace head main body outer annular groove air inlet 1101 and a third lower shell groove 2123 corresponding to the upper shell 211, and the longitudinal sections of the second lower shell groove 2122 and the third lower shell groove 2123 are U-shaped;

wherein the inner cavity of the first annular wall recess 1111 forms a buffer region 101, and the upper housing 211 is adapted to the third lower housing recess 2123 to form an outer injection pipe 210 for injecting gas.

As shown in fig. 1-3 and 6, the first air guiding mechanism 21 is divided into an upper housing 211 and a lower housing 212, and the lower housing 212 includes a first lower housing groove 2121, a second lower housing groove 2122 and a third lower housing groove 2123, wherein the upper housing 211 and the third lower housing groove 2123 are matched in shape, and can form an outer injection pipe 210 for injecting air.

In addition, in the utility model, the first lower shell groove 2121, the second lower shell groove 2122 and the third lower shell groove 2123 are integrally formed, so that gas in the third lower shell groove 2123 can be rapidly ejected to the first lower shell groove 2121 and the second lower shell groove 2122, in addition, the notch of the first lower shell groove 2121 and the notch of the second lower shell groove 2122 are both positioned at the top and the longitudinal sections are both U-shaped, and the notch of the first lower shell groove 2121 and the notch of the second lower shell groove 2122 are respectively covered on the first annular wall groove 1111 and the first furnace head main body outer annular groove 1101, so that the gas storage amount of an outer annular channel of the furnace head can be increased, and the volume of an inner cavity of the furnace head is increased.

In a preferred embodiment of the present utility model, the burner body 1 further comprises:

a first cylinder 12 located inside the second annular wall 112;

a connecting plate 13 connecting the second annular wall 112 and the first cylinder 12;

wherein, the lower part of the second annular wall 112 near the air inlet 1101 side of the first main body outer annular groove is provided with a second annular wall through hole, and the connecting plate 13 is connected to the wall of the second annular wall through hole for increasing the air storage amount of the main body outer annular groove 11.

In a preferred embodiment of the present utility model, the second annular wall through hole and the connection plate 13 respectively comprise a vertical section 131 and a horizontal section 132 fixedly connected to the top of the vertical section 131, wherein the vertical section 131 is tangentially connected to the outer circumference of the first cylinder 12.

As shown in fig. 2 to 5, the longitudinal section of the connecting plate 13 of the present utility model is inverted L-shaped, and the gas storage amount of the burner main body outer ring groove 11 is increased by providing the connecting plate 13, particularly when the vertical section 131 is connected with the outer periphery of the first cylinder 12, the gas storage amount of the burner main body outer ring groove 11 can be maximized, and in addition, since the connecting plate 13 is located in the gas inlet area 100, the gas air and the gas entering the burner main body outer ring groove 11 can be sufficiently uniform.

In a preferred embodiment of the present utility model, the burner lower cover 2 further comprises a second air guiding structure 22, the second air guiding structure 22 comprising:

an annular groove 221, an outer groove wall of the annular groove 221 being connected to the first cylinder 12;

a second cylinder 222 fixedly connected to an inner wall of the annular groove 221 and inserted into the first cylinder 12, and forming an inner ring passage through the first cylinder 12, the annular groove 221 and the second cylinder 222;

the inner injection pipe 223 is used for injecting gas to the inner ring channel, and comprises a lower half pipe 2231 fixedly connected to the outer groove wall of the annular groove 221 and an upper half pipe 2232 fixedly connected to the first cylinder 12, the annular groove 221 is provided with an annular groove through hole 2210 corresponding to the lower half pipe 2231, and the first cylinder 12 is provided with a first cylinder through hole 120 corresponding to the upper half pipe 2232.

As shown in fig. 2 to 3, 5 and 6, the outer wall of the annular groove 221 is connected to the first cylinder 12, the second cylinder 222 is connected to the inner wall of the annular groove 221, and an inner ring passage is formed through the first cylinder 12, the annular groove 221 and the second cylinder 222;

the inner injection pipe 223 is divided into an upper half pipe and a lower half pipe, the lower half pipe 2231 and the upper half pipe 2232 are fixedly connected with the outer groove wall of the annular groove 221 and the first cylinder 12 respectively, so that inclined planes between the inner injection pipe 223 and the inner ring channel are reduced, and stable pressure of air and fuel gas in the inner ring channel is facilitated to form uniform flame.

In a preferred embodiment of the present utility model, the top of the outer groove wall of the annular groove 221 is provided with an annular groove step 2211, the bottom of the first cylinder 12 is provided with a first cylinder step 121 corresponding to the annular groove step 2211, and the annular groove 221 and the first cylinder step 121 are matched to realize alignment of the annular groove 221 and the first cylinder 12.

As shown in fig. 2-3, 5 and 6, alignment and quick installation of the annular groove 221 and the first cylinder 12 is achieved by the annular groove step 2211 and the first cylinder step 121, improving installation efficiency.

In a preferred embodiment of the present utility model, the burner top cover 3 is mounted with:

a third cylinder 31, the middle part of the furnace end upper cover 3 is provided with a through hole of the furnace end upper cover 3, and the bottom of the third cylinder 31 is abutted against the first cylinder 12;

a fourth cylinder 32 located inside the third cylinder 31, with the bottom abutting the second cylinder 222;

a mounting plate 33 connected between the third cylinder 31 and the fourth cylinder 32;

wherein, mounting plate 33 has been seted up at least 2 inner ring ventholes 300.

As shown in fig. 2 and 7, the burner upper cover 3 further includes a third annular wall corresponding to the first annular wall 111, respectively, a fourth annular wall corresponding to the second annular wall 112, and the outer annular cavity is formed by the first annular wall 111, the second annular wall 112, the third annular wall and the fourth annular wall,

by the third cylinder 31 abutting the first cylinder 12, the fourth cylinder 32 abutting the second cylinder 222, together with mounting plates 33 on top of the third cylinder 31 and the fourth cylinder 32, an inner ring cavity is formed,

the inner injection pipe 223 conveys gas to the inner ring cavity, then enters the distributor 4 through the inner ring gas outlet holes 300 on the mounting plate 33, and finally is sprayed out by the inner fire cover 6.

As shown in fig. 1 to 10, fig. 1 to 7 show schematic views of a burner provided by the present utility model. Fig. 2 shows an exploded view of the burner provided by the utility model. Fig. 3 shows a schematic connection diagram of the burner main body 1 and the burner lower cover 2 provided by the utility model. Fig. 4 shows a top view of the burner body 1 provided by the present utility model. Fig. 5 shows a bottom view of the burner body 1 provided by the present utility model. Fig. 6 shows a schematic view of the burner lower cover 2 provided by the utility model. Fig. 7 shows a schematic view of the burner upper cover 3 provided by the utility model. Fig. 8 shows a schematic view of a burner provided by the present utility model. Fig. 9 shows an exploded view of the burner provided by the present utility model. Fig. 10 shows a schematic view of the distributor 4 provided by the utility model.

A burner of an embodiment of the present utility model includes:

a burner as described above;

a distributor 4 connected to the burner and including a distributor outer ring groove 41 corresponding to the outer ring groove 11 of the burner main body and a distributor inner ring groove 42 corresponding to the inner ring channel, wherein the wall of the distributor inner ring groove 42 is connected to the top of the third cylinder 31 and the fourth cylinder 32;

an outer fire cover 5 which is covered on the outer ring groove 41 of the distributor;

an inner fire cover 6 which is covered on the inner ring groove 42 of the distributor;

wherein, the distributor outer ring groove 41 is provided with a corresponding distributor outer ring groove through hole, and the distributor inner ring groove 42 is provided with a distributor inner ring groove through hole 441 corresponding to the inner ring air outlet 300.

Wherein, distributor 4 installs on the stove top, distributor outer annular 41 corresponds with furnace end main part outer annular 11, and outer fire lid 5 covers locates distributor outer annular 41, and the lid of interior fire lid 6 is located the top of third drum 31 and fourth drum 32, and even partial gas of furnace end output is through outer ring venthole 30 and distributor outer annular through-hole entering distributor outer annular 41 and by outer fire lid 5 blowout, and partial gas is through interior ring venthole 300 and distributor inner annular through-hole 441 entering distributor inner annular 42 back through interior fire lid 6 blowout. The burner in this embodiment includes any of the above-described burner, and since the burner has the above-described technical effects, the burner having the above-described plug valve should have the same technical effects.

In a preferred embodiment of the present utility model, the outer fire cover 5 includes an outer fire cover inner wall 51, and the outer fire cover inner wall 51 has a conical structure, wherein a plurality of outer fire cover air outlet hole groups 52 are formed on the outer fire cover inner wall 51, and the plurality of outer fire cover air outlet hole groups 52 are uniformly distributed along the outer fire cover inner wall 51.

As shown in fig. 7-8, the air outlet direction of the outer fire cover air outlet hole group 52 forms a certain included angle with the vertical direction, and the inner wall 51 of the outer fire cover is in a conical structure, so that the flame forms a rotary air flow jet on the inner wall 51 of the outer fire cover, the outer fire cover 5 can jet the flame with internal rotation and internal flame, and the overall flame is spirally like a tornado to rotate around the center to burn upwards due to low flame burning density and upward flame speed.

In a preferred embodiment of the present utility model, the outer fire cover gas outlet hole set 52 includes a first outer fire cover gas outlet hole 521 and a second outer fire cover gas outlet hole 522, the first outer fire cover gas outlet hole 521 having a height greater than the second outer fire cover gas outlet hole 522, the first outer fire cover gas outlet hole 521 and the second outer fire cover gas outlet hole 522 being spaced apart.

As shown in fig. 7-8, the height of the first outer fire cover air outlet hole 521 is greater than that of the second outer fire cover air outlet hole 522, the first outer fire cover air outlet hole 521 and the second outer fire cover air outlet hole 522 are arranged at intervals, and the flame sprayed by the second outer fire cover air outlet hole 522 can supplement the flame sprayed by the first outer fire cover air outlet hole 521, so that the flame is more uniform. The height of the first outer fire cover air outlet hole 521 refers to the distance between the bottom and the top of the hole wall of the first outer fire cover air outlet hole 521, and the height of the second outer fire cover air outlet hole 522 refers to the distance between the bottom and the top of the hole wall of the second outer fire cover air outlet hole 522.

In a preferred embodiment of the present utility model, the top of the inner flame cover 6 is provided with a plurality of inner flame cover flame holes 61 to form a flame in a vertical direction.

As shown in fig. 7-8, the inner fire cover fire holes 61 are all of a straight cut upper-spraying fire hole design, flame air flow is sprayed upwards directly, the upward force of rotation is further enhanced through the cooperation of inner and outer ring flames, the whole flame is concentrated and powerful, when a pot is sitting, the flame is spread outwards from the center to wrap the pot bottom, the whole pot bottom is heated uniformly, and a low-temperature area like the center of a common atmospheric burner and between the inner and outer rings does not appear.

In a preferred embodiment of the utility model, a metal ring 7 is connected between the outer fire cover inner wall 51 and the distributor 4 to protect the distributor 4.

As shown in fig. 7-8, the metal ring 7 is made of a material resistant to high temperature of 700 ℃, such as copper, and when the distributor 4 is made of a non-high temperature resistant material such as aluminum, the metal ring 7 can protect the distributor 4.

In a preferred embodiment of the present utility model, the burner top cover 3 is provided with a plurality of burner top cover bosses 34 corresponding to the outer ring air outlet holes 30, and the burner top cover bosses 34 are provided with burner top cover boss through holes 340 corresponding to the outer ring air outlet holes 30;

the bottom of the distributor outer ring groove 41 is connected with a distributor limiting block 43 corresponding to the furnace end upper cover bulge 34, and the distributor limiting block 43 and the distributor outer ring groove 41 are respectively provided with a distributor through hole 40 corresponding to the furnace end upper cover bulge through hole 340.

As shown in fig. 7-9, alignment and installation of the distributor 4 with the burner upper cover 3 can be facilitated by the relative arrangement and installation of the burner upper cover boss 34 and the distributor block 43.

In a preferred embodiment of the present utility model, a limiting groove 431 corresponding to the burner upper cover protrusion 34 is formed at the bottom of the distributor limiting block 43, and the burner upper cover protrusion 34 is inserted into the limiting groove 431 to align the distributor 4 and the burner upper cover 3.

As shown in fig. 7-9, the recess 431 is limited to allow for quick assembly of the distributor 4 and the burner upper cover 3.

In a preferred embodiment of the utility model, the distributor outer ring groove 41 is connected with the furnace end upper cover 3 through bolts, and a baffle 44 is arranged on the distributor limiting block 43 near one side of the bolts so as to prevent liquid from polluting the bolts.

The distributor outer ring groove 41 is integrally formed with the burner upper cover 3.

As shown in fig. 7-9, the outer ring groove 41 of the distributor and the upper cover 3 of the burner can be connected by bolts or can be integrally formed, when the outer ring groove 41 of the distributor is connected by bolts with the upper cover 3 of the burner, the baffle 44 protects the screws, so that the difficulty of after-sales maintenance is reduced, the view angle of the screws can be seen from the side surface, and the appearance of the product is beautified.

In a preferred embodiment of the present utility model, the distributor inner ring groove 42 is fixedly connected to the inner periphery of the distributor outer ring groove 41; or,

the outer groove wall of the distributor inner groove 42 is detachably connected to the third cylinder 31, and the inner groove wall of the distributor inner groove 42 is detachably connected to the fourth cylinder 32.

As shown in fig. 7-9, the independent design structure of the distributor inner ring groove 42 and the distributor outer ring groove 41 is convenient for processing;

in addition, the distributor inner ring groove 42 can be fixedly connected with the inner periphery of the distributor outer ring groove 41, so that the number of assembly between products is reduced, and the installation is convenient.

In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims (18)

1. A burner, comprising:

the furnace end main body (1) comprises a furnace end main body outer annular groove (11), wherein the furnace end main body outer annular groove (11) comprises an air inlet area (100), a buffer area (101) and an air homogenizing area (102), and the buffer area (101) is used for slowing down the flow rate of air input by the air inlet area (100);

a burner lower cover (2) connected to the lower part of the burner main body (1) and comprising a first air guide mechanism (21) connected to the outer annular groove (11) of the burner main body;

the furnace end upper cover (3) is connected to the top of the furnace end main body (1), and the furnace end upper cover (3) is provided with an outer ring air outlet hole (30) corresponding to the outer ring groove (11) of the furnace end main body;

the gas distribution device comprises a gas inlet area (100), a buffer area (101) and a gas homogenizing area (102), wherein the gas inlet area (110) is arranged in a gas inlet area (100) and is provided with a gas inlet hole group (110) of a gas inlet main body outer ring groove (11), a first gas guide mechanism (21) is arranged on the gas inlet hole group (110) of the gas inlet main body outer ring groove in a covering mode, and the first gas guide mechanism (21) is used for conveying gas to the gas inlet hole group (110) of the gas inlet main body outer ring groove so that the gas can be output from the gas outlet hole (30) of the outer ring after passing through the gas inlet area (100), the buffer area (101) and the gas homogenizing area (102).

2. The burner according to claim 1, wherein said burner body outer ring groove (11) comprises a first annular wall (111), a second annular wall (112) located inside said first annular wall (111) and a burner body outer ring groove bottom wall (113), said burner body outer ring groove intake hole group (110) comprising:

a first furnace end main body outer ring groove air inlet hole (1101) is arranged on the bottom wall (113) of the furnace end main body outer ring groove;

the second furnace end main body outer ring groove air inlet hole is formed in the first annular wall (111) and is communicated with one side of the first furnace end main body outer ring groove air inlet hole (1101);

the second furnace end main body outer ring groove air inlet hole is arc-shaped, and the air inlet area of the furnace end main body outer ring groove (11) is increased through the first furnace end main body outer ring groove air inlet hole (1101) and the second furnace end main body outer ring groove air inlet hole.

3. The burner according to claim 2, wherein a lower portion of the first annular wall (111) adjacent to the other side of the first burner body outer annular groove intake hole (1101) is outwardly convex to form a first annular wall groove (1111), the first air guide mechanism (21) comprising:

an upper shell (211) with a downward opening arc-shaped longitudinal section is fixedly connected to the periphery of the first annular wall (111) close to the air inlet hole of the outer annular groove of the second furnace end main body;

the top of the lower shell (212) is provided with a lower shell opening, the lower shell opening comprises a first lower shell groove (2121) corresponding to the first annular wall groove (1111), a second lower shell groove (2122) corresponding to the first furnace head main body outer annular groove air inlet hole (1101) and a third lower shell groove (2123) corresponding to the upper shell (211), and the longitudinal sections of the second lower shell groove (2122) and the third lower shell groove (2123) are U-shaped;

the inner cavity of the first annular wall groove (1111) forms the buffer zone (101), and the upper shell (211) is matched with the third lower shell groove (2123) to form an outer injection pipe (210) for injecting the gas.

4. A burner according to claim 3, wherein said burner body (1) further comprises:

-a first cylinder (12) located inside said second annular wall (112);

a connecting plate (13) connecting the second annular wall (112) and the first cylinder (12);

the lower part of the second annular wall (112) close to the air inlet hole (1101) side of the first furnace head main body outer annular groove is provided with a second annular wall through hole, and the connecting plate (13) is connected to the hole wall of the second annular wall through hole and used for increasing the air storage amount of the furnace head main body outer annular groove (11).

5. The burner according to claim 4, characterized in that said second annular wall through hole and said connecting plate (13) respectively comprise a vertical section (131) and a horizontal section (132) fixedly connected to the top of said vertical section (131), wherein said vertical section (131) is tangentially connected to the outer periphery of said first cylinder (12).

6. The burner according to claim 5, characterized in that said burner lower cover (2) further comprises a second air guiding structure (22), said second air guiding structure (22) comprising:

-an annular groove (221), the outer groove wall of the annular groove (221) being connected to the first cylinder (12);

a second cylinder (222) fixedly connected to an inner wall of the annular groove (221) and inserted into the first cylinder (12), wherein an inner ring channel is formed by the first cylinder (12), the annular groove (221) and the second cylinder (222);

the inner injection pipe (223) is used for injecting the gas to the inner ring channel and comprises a lower half pipe (2231) fixedly connected to the outer groove wall of the annular groove (221) and an upper half pipe (2232) fixedly connected to the first cylinder (12), the annular groove (221) is provided with an annular groove through hole (2210) corresponding to the lower half pipe (2231), and the first cylinder (12) is provided with a first cylinder through hole (120) corresponding to the upper half pipe (2232).

7. The burner according to claim 6, characterized in that the top of the outer groove wall of the annular groove (221) is provided with an annular groove step (2211), the bottom of the first cylinder (12) is provided with a first cylinder step (121) corresponding to the annular groove step (2211), and the annular groove (221) and the first cylinder (12) are aligned by the cooperation of the annular groove step (2211) and the first cylinder step (121).

8. The burner according to claim 7, characterized in that the burner upper cover (3) is fitted with:

a third cylinder (31), wherein a through hole of the furnace top upper cover (3) is formed in the middle of the furnace top upper cover (3), and the bottom of the third cylinder (31) is abutted against the first cylinder (12);

a fourth cylinder (32) which is positioned inside the third cylinder (31) and the bottom of which is abutted against the second cylinder (222);

a mounting plate (33) connected between the third cylinder (31) and the fourth cylinder (32);

wherein, mounting panel (33) has seted up at least 2 inner ring ventholes (300).

9. A burner, comprising:

the burner of claim 8;

a distributor (4) connected to the burner and comprising a distributor outer ring groove (41) corresponding to the burner main body outer ring groove (11) and a distributor inner ring groove (42) corresponding to the inner ring channel, wherein the groove wall of the distributor inner ring groove (42) is connected to the tops of a third cylinder (31) and the fourth cylinder (32);

an outer fire cover (5) which is arranged on the outer ring groove (41) of the distributor in a covering way;

an inner fire cover (6) which is covered on the distributor inner ring groove (42);

the distributor outer ring groove (41) is provided with a distributor outer ring groove through hole corresponding to the outer ring air outlet hole (30), and the distributor inner ring groove (42) is provided with a distributor inner ring groove through hole (441) corresponding to the inner ring air outlet hole (300).

10. The burner according to claim 9, wherein the outer fire cover (5) comprises an outer fire cover inner wall (51), the outer fire cover inner wall (51) is in a conical structure, a plurality of outer fire cover air outlet hole groups (52) are formed in the outer fire cover inner wall (51), and the outer fire cover air outlet hole groups (52) are uniformly distributed along the outer fire cover inner wall (51).

11. The burner of claim 10, wherein the outer fire cover gas outlet aperture set (52) includes a first outer fire cover gas outlet aperture (521) and a second outer fire cover gas outlet aperture (522), the first outer fire cover gas outlet aperture (521) having a height greater than a height of the second outer fire cover gas outlet aperture (522), the first outer fire cover gas outlet aperture (521) and the second outer fire cover gas outlet aperture (522) being spaced apart.

12. Burner according to claim 11, characterized in that the top of the inner fire cover (6) is provided with a plurality of inner fire cover fire holes (61) to form a flame in vertical direction.

13. Burner according to claim 11, characterized in that a metal ring (7) is connected between the outer fire cover inner wall (51) and the distributor (4) to protect the distributor (4).

14. The burner according to claim 9, wherein the burner upper cover (3) is provided with a plurality of burner upper cover bosses (34) corresponding to the outer ring air outlet holes (30), and the burner upper cover bosses (34) are provided with burner upper cover boss through holes (340) corresponding to the outer ring air outlet holes (30);

the bottom of the distributor outer ring groove (41) is connected with a distributor limiting block (43) corresponding to the furnace end upper cover protruding portion (34), and distributor through holes (40) corresponding to the furnace end upper cover protruding portion through holes (340) are formed in the distributor limiting block (43) and the distributor outer ring groove (41).

15. Burner according to claim 14, characterized in that the bottom of the distributor block (43) is provided with a limit groove (431) corresponding to the burner upper cover boss (34), the burner upper cover boss (34) being inserted into the limit groove (431) to achieve alignment of the distributor (4) and the burner upper cover (3).

16. Burner according to claim 14, characterized in that the distributor outer ring groove (41) is connected with the burner upper cover (3) by means of bolts, and the distributor limiting block (43) near one side of the bolts is provided with a baffle (44) to protect the bolts.

17. Burner according to claim 14, characterized in that the distributor outer ring groove (41) is integrally formed with the burner upper cover (3).

18. The burner according to claim 9, wherein the distributor inner ring groove (42) is fixedly connected to the inner periphery of the distributor outer ring groove (41); or,

the outer groove wall of the distributor inner groove (42) is detachably connected to the third cylinder (31), and the inner groove wall of the distributor inner groove (42) is detachably connected to the fourth cylinder (32).