CN216716215U

CN216716215U - Combustion furnace

Info

Publication number: CN216716215U
Application number: CN202123433528.2U
Authority: CN
Inventors: 洪序明
Original assignee: Quanzhou Mingran Kitchen Equipment Co ltd
Current assignee: Shanghai Shunzhou Metal Products Co ltd
Priority date: 2021-08-26
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The present invention provides a combustion furnace, comprising: atomizing nozzles, blast assemblies and hearths; the blowing assembly is provided with a blowing sleeve, a wind distributing sleeve and a blowing pipeline; the blast sleeve is sleeved outside the furnace core to jointly define a blast cavity, and a plurality of first through holes are distributed on the circumference of the bottom surface of the blast cavity; the air distribution sleeve is sleeved outside the atomizing nozzle to define a heat dissipation cavity together, a plurality of second through holes are distributed on the circumference of the bottom surface of the heat dissipation cavity, the heat dissipation cavity is communicated with the air blowing cavity through the first through holes, and the heat dissipation cavity is communicated with the air blowing pipeline through the second through holes. Therefore, the heat dissipation can be carried out at the atomizing nozzle and the combustion pool is fully realized.

Description

Combustion furnace

Technical Field

The utility model relates to the technical field of combustion equipment. In particular to a combustion furnace.

Background

The compression type combustion furnace mainly comprises a combustion pool, an oil supply assembly, an igniter, a blowing assembly, an atomization assembly and the like. The fuel is atomized into fine droplets by the atomizing nozzle, and the fine droplets are sprayed into the combustion pool, mixed with air sent by the air blower and ignited and combusted by the igniter.

The atomizing nozzles of the combustion furnaces of the related art are easily overheated due to being exposed to high temperatures for a long time.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the utility model aims to provide a combustion furnace which can radiate heat at an atomizing nozzle and can fully combust in a combustion tank.

To achieve the above object, the present invention provides a combustion furnace comprising: atomizing nozzles, blast assemblies and hearths;

the blowing assembly is provided with a blowing sleeve, a wind distributing sleeve and a blowing pipeline; the blast sleeve is sleeved outside the furnace core to jointly define a blast cavity, and a plurality of first through holes are distributed on the circumference of the bottom surface of the blast cavity; the air distribution sleeve is sleeved outside the atomizing nozzle to define a heat dissipation cavity together, a plurality of second through holes are distributed on the circumference of the bottom surface of the heat dissipation cavity, the heat dissipation cavity is communicated with the air blowing cavity through the first through holes, and the heat dissipation cavity is communicated with the air blowing pipeline through the second through holes.

According to the combustion furnace provided by the embodiment of the utility model, when the air blower blows air to the blast pipeline, the air can enter the heat dissipation cavity from the second through hole and then enter the air blowing cavity from the first through hole, wherein the first through hole and the second through hole can disperse the air, so that the air at the periphery of the furnace core is uniformly distributed, the air entering the furnace core is uniform, and the full combustion in the furnace core is ensured; in the heat dissipation cavity, wind can dispel the heat to atomizing nozzle, guarantees that atomizing nozzle can not be overheated.

In addition, the combustion furnace proposed by the above embodiment of the present invention may further have the following additional technical features:

optionally, the blast pipe has a connecting section connected with the air distribution sleeve, and the connecting section is in a horn shape with a wide top and a narrow bottom.

Optionally, the first through hole and the second through hole are both arc-shaped holes.

Optionally, the furnace core comprises: a first furnace section and a second furnace section;

a combustion pool is defined in the first furnace section, the first furnace section is provided with a first ventilation part and a second ventilation part which are used for communicating the combustion pool with the blast cavity, the first ventilation part is provided with a plurality of third through holes which are circumferentially distributed on the side wall of the first furnace section, and the angle formed by the axial center line of each third through hole and the horizontal plane is 10-60 degrees; the second ventilating part is positioned below the first ventilating part and is provided with a plurality of fourth through holes which are circumferentially distributed on the side wall of the first furnace section, and the angle formed by the axial center line of each fourth through hole and the horizontal plane is 10-60 degrees;

and an atomization pool is defined in the second furnace section, and the second furnace section is arranged at the bottom of the first furnace section and enables the atomization pool to be communicated with the combustion pool.

Furthermore, the third through hole and the fourth through hole are arranged from the outer side wall of the first furnace section to the inner side wall of the first furnace section in an inclined and upward extending mode, and the third through holes and the fourth through holes are arranged in a staggered mode.

Optionally, still include the third stove section, inject in the third stove section and be suitable for the installation cavity of atomizing nozzle, the third stove section sets up the second stove section with divide between the windband so that the installation cavity with the atomizing pond with the heat dissipation chamber communicates with each other.

Furthermore, the bottom periphery of the third furnace section is provided with a first inclined plane, the bottom of the blast sleeve is provided with a mounting hole, the inner periphery of the mounting hole is provided with a second inclined plane, and the first inclined plane is abutted against the second inclined plane so that the blast sleeve is sleeved outside the furnace core.

Optionally, the second furnace section is provided with a third ventilation part and a fourth ventilation part, the third ventilation part is provided with a plurality of fifth through holes circumferentially distributed on the side wall of the second furnace section, and the fifth through holes extend obliquely downwards from the outer side wall of the second furnace section to the inner side wall of the second furnace section; the fourth ventilation part is located below the third ventilation part and is provided with a plurality of sixth through holes which are circumferentially distributed on the side wall of the second furnace section, and the sixth through holes are formed in a manner that the outer side wall of the second furnace section extends upwards in an inclined mode to the inner side wall of the second furnace section.

Optionally, the furnace core further comprises an igniter, a first inclined hole is formed in the blast sleeve, a second inclined hole is formed in the furnace core, and an ignition end of the igniter is sequentially inserted into the first inclined hole and the second inclined hole to extend into the combustion pool in the furnace core.

Furthermore, an oil outlet nozzle of the atomizing nozzle is positioned in the mounting cavity, and a gap is reserved between the oil outlet nozzle and the inner wall of the mounting cavity; the atomizing nozzle comprises a nozzle valve core, a nozzle seat and an oil nozzle cap, the oil nozzle cap is detachably connected with the nozzle seat, the nozzle seat and the oil nozzle cap jointly construct an accommodating cavity suitable for accommodating the nozzle valve core, and the nozzle valve core comprises a valve core body and a sleeve; the sleeve is sleeved at a position, close to the oil outlet nozzle, of the valve core body, the inner surface of the sleeve and the outer surface of the valve core body are spaced to form an air outlet channel, the sleeve is provided with a plurality of swirl grooves, each swirl groove is provided with a first inner wall and a second inner wall which are opposite to each other, the first inner wall and the second inner wall are inclined planes extending from the outer peripheral surface to the inner peripheral surface of the sleeve, one ends of the first inner wall and the second inner wall, which are located on the outer peripheral surface of the sleeve, jointly form an air inlet, one ends of the first inner wall and the second inner wall, which are located on the inner peripheral surface of the sleeve, jointly form an air outlet, and the air outlet is communicated with the air outlet channel.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

FIG. 1 is a cross-sectional view of a furnace according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of another perspective of a furnace according to an embodiment of the utility model;

FIG. 3 is a schematic view of a furnace according to an embodiment of the utility model;

FIG. 4 is an exploded view of a furnace according to an embodiment of the utility model;

FIG. 5 is a schematic structural view of a furnace core according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a furnace core according to an embodiment of the utility model;

fig. 7 is a schematic structural view of a nozzle cartridge according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of a nozzle cartridge according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a valve cartridge body according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a bushing according to an embodiment of the utility model;

FIG. 11 is a schematic structural view of an atomizing nozzle according to an embodiment of the present invention;

FIG. 12 is an exploded schematic view of an atomizing nozzle according to an embodiment of the present invention;

description of reference numerals:

the atomizing nozzle 1, the nozzle valve core 11, the valve core body 111, the oil outlet 1111, the oil delivery channel 1112, the air guide ring 1113, the air guide channel 1114, the first groove 1115, the first step 1116, the sleeve 112, the swirl groove 1121, the first inner wall 1121a, the second inner wall 1121b, the first chamfer 1122, the second chamfer 1123, the second groove 1124, the air outlet channel 113, the air inlet 114, the air outlet 115, the first gap 116, the second gap 117, the nozzle holder 12, the oil nozzle cap 13 and the second step 131;

the air blowing assembly 2, the air blowing sleeve 21, the mounting hole 211, the air distribution sleeve 22, the air blowing pipeline 23, the connecting section 231, the air blowing cavity 24, the first through hole 25, the heat dissipation cavity 26, the second through hole 27 and the first inclined hole 28;

the furnace core 3, the first furnace section 31, the second furnace section 32, the third ventilation part 321, the fourth ventilation part 322, the fifth ventilation part 323, the combustion pool 33, the first ventilation part 311, the second ventilation part 312, the atomization pool 34, the third furnace section 35, the first inclined plane 351, the installation cavity 36 and the second inclined hole 37;

an igniter 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be 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 scope of the utility model to those skilled in the art.

The implementation of a burner according to the present invention is described in detail below with reference to fig. 1-12.

As shown in fig. 1 to 4, the present invention provides a combustion furnace including an atomizing nozzle 1, a blowing assembly 2, and a core 3.

Specifically, the blower assembly 2 has a blower sleeve 21, a blower sleeve 22 and a blower duct 23; the blast sleeve 21 is sleeved outside the furnace core 3 to jointly define a blast cavity 24, and a plurality of first through holes 25 are distributed on the circumference of the bottom surface of the blast cavity 24; the air distributing sleeve 22 is sleeved outside the atomizing nozzle 1 to jointly define a heat dissipation cavity 26, a plurality of second through holes 27 are distributed on the circumference of the bottom surface of the heat dissipation cavity 26, the heat dissipation cavity 26 is communicated with the air blowing cavity 24 through the first through holes 25, and the heat dissipation cavity 26 is communicated with the air blowing pipeline 23 through the second through holes 27.

That is, the air-distributing sleeve 22 is disposed between the air-blowing sleeve 21 and the air-blowing duct 23, and serves to distribute the air, and the air in the air-blowing chamber 24 can enter the combustion chamber in the furnace core 3 through the through-holes in the wall of the furnace core 3.

Therefore, when the air blower blows air to the air blowing pipeline 23, the air can enter the heat dissipation cavity 26 from the second through hole 27 and then enter the air blowing cavity 24 from the first through hole 25, wherein the first through hole 25 and the second through hole 27 can disperse the air, so that the air on the periphery of the furnace core 3 is uniformly distributed, the air entering the furnace core 3 is uniform, and the furnace core 3 is ensured to be fully combusted; in the heat dissipation cavity 26, the air can dissipate heat of the atomizing nozzle 1, and it is ensured that the atomizing nozzle 1 is not overheated.

In some examples, the blower duct 23 has a connection section 231 connected with the air distribution sleeve 22, and the connection section 231 is in a horn shape with a wide top and a narrow bottom. Wherein the trumpet shape with wide top and narrow bottom can disperse wind preliminarily, so that the wind can enter the heat dissipation chamber 26 from the second through hole 27 and can be dispersed in the heat dissipation chamber 26.

Optionally, the first through hole 25 and the second through hole 27 are both arc-shaped holes. The arc-shaped holes can better disperse wind.

Referring to fig. 5 and 6, the furnace core 3 includes a first furnace section 31 and a second furnace section 32.

Specifically, the first furnace section 31 defines a combustion pool 33 therein, the first furnace section 31 has a first ventilating portion 311 and a second ventilating portion 312 which communicate the combustion pool 33 with the outside, the first ventilating portion 311 is provided with a plurality of third through holes circumferentially distributed on the side wall of the first furnace section 31, and the axial center line of the third through holes forms an angle of 10 to 60 ° with the horizontal plane; the second ventilating part 312 is positioned below the first ventilating part 311 and is provided with a plurality of fourth through holes which are circumferentially distributed on the side wall of the first furnace section 31, and the angle formed by the axial center line of the fourth through holes and the horizontal plane is 10-60 degrees; the second furnace section 32 defines an atomization pool 34 therein, and the second furnace section 32 is disposed at the bottom of the first furnace section 31 and communicates the atomization pool 34 with the combustion pool 33.

During combustion, air can enter the combustion pool 33 from the third through hole and the fourth through hole, and the flame is concentrated in the combustion pool 33 due to the 10-60-degree inclination angle of the third through hole, so that fuel in the combustion pool 33 is fully combusted.

In some examples, the first furnace section 31 in which the first vent 311 is located has an inner diameter that is greater than the inner diameter of the second furnace section 32 in which the second vent 312 is located. This allows the flame in the combustion chamber 33 to be further concentrated by the two stages of air guiding.

Optionally, the third through holes and the fourth through holes are formed by extending the outer side wall of the first furnace section 31 to the inner side wall of the first furnace section 31 in an inclined manner, and the plurality of third through holes and the plurality of fourth through holes are arranged in a staggered manner. Thereby, the flame in the combustion chamber 33 can be further concentrated by the positional arrangement of the first ventilation part 311 and the second ventilation part 312.

In some examples, the inner diameter of second furnace section 32 is smaller than the inner diameter of first furnace section 31. Wherein, first stove section 31 is cylindricly, and second stove section 32 is radius platform form, and the atomizing gas of second stove section 32 gets into the burning pond 33 interior burning of first stove section 31.

Optionally, the second furnace section 32 has a third ventilation part 321 and a fourth ventilation part 322, the third ventilation part 321 is provided with a plurality of fifth through holes circumferentially distributed on the sidewall of the second furnace section 32, and the fifth through holes extend obliquely downward from the outer sidewall of the second furnace section 32 to the inner sidewall of the second furnace section 32; fourth ventilation portion 322 is located the below of third ventilation portion 321 and is equipped with the sixth through-hole of a plurality of circumference distributions on the lateral wall of second stove section 32, and the sixth through-hole upwards extends the setting by the slope of second stove section 32 lateral wall to second stove section 32 inside wall. That is, the third ventilation portion 321 and the fourth ventilation portion 322 are oriented in opposite directions, thereby stabilizing the wind direction in the second furnace section 32.

Further, the bottom of the second furnace section 32 is provided with a fifth ventilation part 323, the fifth ventilation part 323 is provided with a plurality of seventh through holes circumferentially distributed on the bottom surface of the second furnace section 32, and the seventh through holes extend obliquely upwards from the outer surface of the bottom of the second furnace section 32 to the inner surface of the bottom of the second furnace section 32. Thereby further stabilizing the wind direction within the second furnace section 32.

In some examples, a third furnace section 35 is further included, the third furnace section 35 defining therein a mounting cavity 36 adapted to mount the atomizing nozzle 1, the third furnace section 35 being disposed between the second furnace section 32 and the air distribution sleeve 22 such that the mounting cavity 36 communicates with the atomizing pool 34 and the heat dissipation chamber 26. Wherein the inner diameter of the third furnace section 35 is smaller than the inner diameter of the second furnace section 32, and a through hole can be arranged on a step formed between the third furnace section 35 and the second furnace section 32 for air to enter the atomization pool 34.

Optionally, the bottom outer peripheral edge of the third furnace section 35 is provided with a first inclined surface 351, the bottom of the windward sleeve 21 is provided with a mounting hole 211, the inner peripheral edge of the mounting hole 211 is provided with a second inclined surface, and the first inclined surface 351 abuts against the second inclined surface so that the windward sleeve 21 is sleeved outside the furnace core 3. Wherein, the first inclined surface 351 and the second inclined surface are matched and embedded to facilitate the disassembly and assembly between the blast sleeve 21 and the furnace core 3.

In some examples, the furnace core 3 further comprises an igniter 4, a first inclined hole 28 is formed on the blast sleeve 21, a second inclined hole 37 is formed on the furnace core 3, and an ignition end of the igniter 4 is inserted into the first inclined hole 28 and the second inclined hole 37 in sequence to extend into the combustion pool 33 in the furnace core 3. Wherein the first inclined hole 28 and the second inclined hole 37 facilitate insertion and removal of the igniter 4.

Referring to fig. 7 to 12, the oil outlet 1111 of the atomizing nozzle 1 is located in the installation cavity 36, and a gap is left between the oil outlet 1111 and the inner wall of the installation cavity 36, so that the high temperature of the oil outlet 1111 is not directly transmitted to the furnace core 3. The atomizing nozzle 1 includes a nozzle valve core 11, a nozzle holder 12, and a nozzle cap 13. The nozzle cartridge 11 includes: a spool body 111 and a sleeve 112. The sleeve 112 is sleeved on the valve element body 111 near the oil outlet 1111 of the valve element body, the inner surface of the sleeve 112 and the outer surface of the valve element body 111 are spaced to form an air outlet channel 113, the sleeve 112 is provided with a plurality of swirl grooves 1121, each swirl groove 1121 has a first inner wall 1121a and a second inner wall 1121b which are opposite, the first inner wall 1121a and the second inner wall 1121b are both inclined surfaces extending from the outer peripheral surface to the inner peripheral surface of the sleeve 112, one ends of the first inner wall 1121a and the second inner wall 1121b, which are located on the outer peripheral surface of the sleeve 112, together form an air inlet 114, one ends of the first inner wall 1121a and the second inner wall 1121b, which are located on the inner peripheral surface of the sleeve 112, together form an air outlet 115, and the air outlet 115 is communicated with the air outlet channel 113.

That is, compared to the structure in which the swirl groove is directly disposed on the valve body 111 and the bottom surface of the swirl groove is an inclined surface, in the present embodiment, the swirl groove 1121 is disposed on the sleeve 112, the swirl groove 1121 is configured by two inclined surfaces extending from the outer circumferential surface to the inner circumferential surface of the sleeve 112, and the swirl groove 1121 communicates with the air outlet channel 113.

Therefore, the nozzle valve core 11 is in a central oil inlet and peripheral air inlet mode, when liquid fuel needs to be atomized, a fan is used for supplying air to the cyclone groove 1121, the cyclone groove 1121 forms cyclone air to be discharged from the air outlet channel 113, and the surrounded liquid fuel can be atomized; wherein, through the structural design of the rotary chute 1121 on the sleeve 112, when the liquid fuel flows into the air outlet channel 113 from the outer surface of the oil outlet 1111, the blockage phenomenon does not occur, so as to ensure the normal air supply and further ensure the normal use of the combustion furnace.

Then, the combination of the atomizing nozzle 1 and the above-described furnace core 3 can sufficiently burn the fuel in the combustion furnace.

Wherein, the end of the sleeve 112 close to the oil outlet 1111 is a top surface, the end far away from the oil outlet 1111 is a bottom surface, and the plurality of swirling grooves 1121 are disposed at the position of the sleeve 112 close to the bottom surface. Thus, when the liquid fuel flows into the outlet air passage 113 from the outer surface of the outlet nozzle 1111, the liquid fuel adheres to the outer surface of the valve body 111 or the inner circumferential surface of the sleeve 112 without blocking the swirling flow groove 1121 in the sleeve 112.

It can be understood that the top of the valve core body 111 is an oil outlet 1111, the bottom of the valve core body 111 is an oil inlet, and an oil delivery channel 1112 communicated with the oil outlet 1111 and the oil inlet is arranged in the valve core body 111. Wherein, oil outlet 1111 may be in a column shape, and the inner diameter of oil outlet 1111 is smaller than the inner diameter of oil transportation channel 1112.

In some examples, the slope angle is 20 ° to 60 °. Preferably, the inclination angle of the inclined plane is 45 °. Therefore, the swirling flow groove 1121 is preferably ensured not to be clogged with the liquid fuel.

Optionally, a plurality of swirl slots 1121 are uniformly arranged on the sleeve 112 in a windmill shape. In other words, the cross section of the plurality of sleeves 112 at the position of the swirling flow grooves 1121 is in the shape of a windmill. Thereby facilitating the cyclone 1121 to form the cyclone flow direction wind outlet passage 113.

In some examples, the valve core body 111 is provided with a wind guiding ring 1113, the wind guiding ring 1113 is provided with a plurality of wind guiding channels 1114 along an axial direction thereof, and the wind guiding channels 1114 are communicated with the air inlet 114. The air guiding ring 1113 is a flange protruding outward from the outer peripheral surface of the valve core body 111, and the air guiding channel 1114 is communicated with the air inlet 114, and can guide air to the air inlet 114 and then enter the swirling flow groove 1121 from the air inlet 114.

Alternatively, the guiding passage 1114 may be a guiding groove or a guiding hole on the guiding ring 1113.

In some examples, the top surface of the wind guide ring 1113 is recessed to form a first groove 1115, the bottom of the sleeve 112 is embedded in the first groove 1115, and the plurality of wind guide channels 1114 are aligned with the plurality of wind inlets 114 in a one-to-one correspondence manner. That is, the sleeve 112 and the spool body 111 are detachably mounted together by the first groove 1115. It will be appreciated that the outer diameter of the wind-guiding ring 1113 is greater than the outer diameter of the sleeve 112.

Optionally, the outer surface of the valve core body 111 extends radially outward in the first groove 1115 to form a first step 1116 adapted to abut against the inner surface of the sleeve 112, the swirl groove 1121 is open at one end of the bottom surface of the sleeve 112, and the bottom inner periphery of the sleeve 112 has a plurality of first chamfers 1121 to leave a first gap 116 between the inner surface of the sleeve 112 and the first step 1116. The first step 1116 further securely mounts the sleeve 112 on the valve core body 111, and the first gap 116 ensures that wind can enter the swirling groove 1121.

In some examples, the bottom outer periphery of the sleeve 112 has a plurality of second chamfers 1123 to leave a second gap 117 between the outer periphery of the sleeve 112 and the first groove 1115. The second gap 117 may ensure wind to enter the swirling flow groove 1121.

In some examples, the nozzle cap 13 has a connection end extending into the nozzle holder 12 and a spout end opposite to the connection end, and the spout end is opened with a spout corresponding to the oil outlet 1111, and the spout end is tapered. The connection end is screwed to the nozzle holder 12. The nozzle holder 12 is provided with a limiting groove for placing the air guide ring 113 of the valve core body 111. In addition, a threaded hole for connecting an air supply pipeline is formed in the side wall of the nozzle holder 12. Correspondingly, a plurality of through holes are circumferentially distributed on the side wall of the third furnace section 35, so that air can enter the mounting cavity 36 and then enter the threaded holes.

In some examples, a second groove 1124 is formed in the top surface of the sleeve 112, and a second step 131 adapted to be embedded in the second groove 1124 is provided in the nipple cap 13. The second step 131 is fitted in the second groove 1124 to prevent the liquid fuel from flowing into the receiving chamber.

Other components of the burner of the present invention may be of conventional construction and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 utility model. In this specification, the schematic representations of the terms used above should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A burner, comprising: atomizing nozzles, blast assemblies and hearths;

2. The combustion furnace as set forth in claim 1 wherein said blast duct has a connecting section connected to said winddividing sleeve, said connecting section being flared in a shape of a horn having a wide top and a narrow bottom.

3. The burner of claim 1, wherein the first through-hole and the second through-hole are both arcuate holes.

4. The combustion furnace as claimed in claim 1, wherein said core comprises: a first furnace section and a second furnace section;

5. The burner of claim 4, wherein the third through-hole and the fourth through-hole extend from the first block outer side wall to the first block inner side wall in an obliquely upward direction, and the third through-holes are arranged to be offset from the fourth through-holes.

6. The furnace of claim 4, further comprising a third furnace section defining a mounting cavity therein adapted to mount the atomizing nozzle, the third furnace section being disposed between the second furnace section and the winddividing sleeve such that the mounting cavity communicates with the atomizing pool and the heat dissipation chamber.

7. The combustion furnace as claimed in claim 6, wherein the bottom outer peripheral edge of the third furnace section is provided with a first inclined surface, the bottom of the windband is provided with a mounting hole, the inner peripheral edge of the mounting hole is provided with a second inclined surface, and the first inclined surface abuts against the second inclined surface to enable the windband to be sleeved outside the furnace core.

8. The burner of claim 4, wherein the second furnace section has a third vent portion and a fourth vent portion, the third vent portion having a plurality of fifth through holes circumferentially distributed on a side wall of the second furnace section, the fifth through holes extending obliquely downward from an outer side wall of the second furnace section to an inner side wall of the second furnace section; the fourth ventilation part is located below the third ventilation part and is provided with a plurality of sixth through holes which are circumferentially distributed on the side wall of the second furnace section, and the sixth through holes are formed in a manner that the outer side wall of the second furnace section extends upwards in an inclined mode to the inner side wall of the second furnace section.

9. The burner of claim 1, further comprising an igniter, wherein the blower sleeve has a first angled hole and the core has a second angled hole, and wherein the firing end of the igniter is inserted sequentially through the first angled hole and the second angled hole to extend into the combustion chamber in the core.

10. The furnace of claim 6 wherein the atomizing nozzle has a nozzle tip located within the mounting chamber with a gap between the nozzle tip and an inner wall of the mounting chamber; the atomizing nozzle comprises a nozzle valve core, a nozzle seat and an oil nozzle cap, the oil nozzle cap is detachably connected with the nozzle seat, an accommodating cavity suitable for accommodating the nozzle valve core is formed by the oil nozzle cap and the nozzle seat together, and the nozzle valve core comprises a valve core body and a sleeve; the sleeve is sleeved at a position, close to the oil outlet nozzle, of the valve core body, the inner surface of the sleeve and the outer surface of the valve core body are spaced to form an air outlet channel, the sleeve is provided with a plurality of swirl grooves, each swirl groove is provided with a first inner wall and a second inner wall which are opposite to each other, the first inner wall and the second inner wall are inclined planes extending from the outer peripheral surface to the inner peripheral surface of the sleeve, one ends of the first inner wall and the second inner wall, which are located on the outer peripheral surface of the sleeve, jointly form an air inlet, one ends of the first inner wall and the second inner wall, which are located on the inner peripheral surface of the sleeve, jointly form an air outlet, and the air outlet is communicated with the air outlet channel.