CN110094729B

CN110094729B - Double cyclone burner

Info

Publication number: CN110094729B
Application number: CN201910374690.XA
Authority: CN
Inventors: 欧华权; 郑伟燊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-21
Anticipated expiration: 2039-05-07
Also published as: CN110094729A

Abstract

The invention discloses a double-cyclone burner which comprises a burner air box, an outer ring combustion core, an inner ring combustion core, a kindling burner, an ignition needle and a flame induction needle, wherein the burner air box is provided with a burner air box; the outer ring combustion core is arranged in the accommodating cavity of the burner wind box, a plurality of outer spiral teeth are circumferentially distributed on the outer part of the outer ring combustion core, the outer spiral teeth and the inner wall of the burner wind box form a plurality of outer spiral wind channels, and each outer spiral wind channel is provided with a gas outlet for discharging gas; the inner ring combustion core is annularly arranged in an accommodating groove formed in the core body of the outer combustion core from the top to the bottom, a plurality of inner spiral teeth are circumferentially distributed on the outer part of the inner ring combustion core, the inner spiral teeth and the groove wall of the accommodating groove form a plurality of inner spiral air channels, and each inner spiral air channel is also provided with a gas outlet for introducing gas; an air inlet at the bottom of the burner air box is communicated with the outer spiral air duct and the inner spiral air duct; the double-cyclone burner provided by the invention can be used for fully burning gas, improving the flame temperature and ensuring the use safety.

Description

Double cyclone burner

Technical Field

The invention relates to the technical field of stoves, in particular to a double-cyclone burner.

Background

In the current commercial stove, a combustor generally adopts a premixing type furnace end, when the premixing type furnace end is used, air and fuel gas are firstly mixed in a pipeline and then are guided into a furnace end combustion chamber together for combustion, the mixing mode is a traditional premixing type, and the premixing type furnace end combustor has two defects, firstly, the air and the fuel gas are not uniformly mixed in the pipeline, so that the fuel gas cannot be fully combusted, and the combustion temperature is lower; secondly, the premixing type furnace end burner is easy to have a tempering phenomenon, particularly when artificial coal gas is used, flame is easy to flow back into a pipeline of a premixing section, and the fuel gas in a fuel gas pipe is easy to ignite due to long-time high-temperature tempering, so that serious safety accidents such as fuel gas explosion are caused; in addition, the existing burner does not have a device for detecting the fire state and the burner combustion state, so that the gas path is opened easily to cause gas leakage under the condition that the fire is not ignited; and when the combustor is accidentally flamed out, the gas pipeline can not be closed, the gas can be continuously introduced, so that the gas is leaked, and explosion accidents can be caused after naked flame.

Therefore, in view of the above problems, it is an urgent technical problem to provide a new dual cyclone burner.

Disclosure of Invention

The invention aims to provide a double-cyclone burner, which solves the problems in the prior art, can fully burn gas, improve the flame temperature and ensure the use safety.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a double-cyclone burner which comprises a burner air box, an outer ring combustion core, an inner ring combustion core, a kindling burner, an ignition needle and a flame induction needle, wherein the burner air box is provided with a burner air box;

the combustor wind box is internally provided with an accommodating cavity with an opening at the top and an air inlet at the bottom, the outer ring combustion core is arranged in the accommodating cavity, a plurality of outer spiral teeth are circumferentially distributed outside the outer ring combustion core, the outer spiral teeth and the inner wall of the combustor wind box form a plurality of outer spiral wind channels, an outer gas chamber communicated with a gas pipeline is further arranged in the core of the outer ring combustion core, and each outer spiral wind channel is provided with an outer gas outlet communicated with the outer gas chamber; an accommodating groove is formed in the core body of the outer ring combustion core from the top to the bottom, the inner ring combustion core is arranged in the accommodating groove, a plurality of inner spiral teeth are circumferentially distributed on the outer portion of the inner ring combustion core, the inner spiral teeth and the groove wall of the accommodating groove form a plurality of inner spiral air channels, an inner combustion air chamber communicated with a gas pipeline is further arranged in the core body of the inner ring combustion core, and an inner combustion air outlet communicated with the inner combustion air chamber is formed in each inner spiral air channel; the air inlet is communicated with the outer spiral air duct and the inner spiral air duct;

the ignition needle is used for igniting the kindling combustor, the kindling combustor is used for igniting gas, and the flame induction needle is used for inducing the combustion state of the kindling combustor and the double-cyclone combustor.

Preferably, the bottom of the outer ring combustion core is further provided with an end sealing plate, the end sealing plate is provided with a gas inlet connected with a gas pipeline, the middle part of the accommodating groove is provided with a central gas inlet communicated with the gas inlet and the inner gas chamber, and a gas inlet channel communicated with the gas inlet and the outer gas chamber extends towards two sides between the bottom of the accommodating groove and the end sealing plate; still be provided with on the tank bottom of holding tank and run through the tank bottom with the inside air inlet of closing end board, inside air inlet with interior spiral wind channel intercommunication.

Preferably, a gas pipeline connecting port is further arranged on the side wall of the combustor air box and is communicated with the gas inlet through an air inlet pipeline.

Preferably, a sealing ring is arranged between the air inlet pipeline and the fuel gas inlet.

Preferably, an annular clamping portion is arranged on the inner side wall of the burner air box, and the bottom of the outer ring combustion core is clamped on the annular clamping portion.

Preferably, the groove bottom of the accommodating groove is upwards protruded with an insertion column, and the inner ring combustion core is sleeved outside the insertion column.

Preferably, the top of the burner wind box is also covered with a fire collector, the interior of the fire collector is a conical passage opposite to the outer spiral wind channel and the inner spiral wind channel, and the diameter of the bottom of the conical passage is larger than that of the top.

Preferably, a high-temperature-resistant sealing ring is arranged between the fire collector and the burner wind box.

Preferably, still include a flame response needle, the flame response needle with it is relative that the kindling combustor, the ignition needle the kindling combustor with the flame response needle is all vertical to be worn to locate on the shell of combustor wind box, the ignition needle the kindling combustor with the flame response needle top salient in the part of combustor wind box set up in the sealed cabin that sets up on the shell of collection firearm.

Preferably, the top of the outer ring combustion core is also symmetrically provided with two hoisting holes.

Compared with the prior art, the invention has the following beneficial technical effects:

1. according to the double-cyclone burner provided by the invention, the plurality of spiral teeth are arranged on the inner and outer ring burning cores, so that a plurality of spiral air channels can be formed, and each air channel is internally provided with the gas outlet, so that introduced gas and air are uniformly divided into a plurality of equal parts, the gas and the air can be uniformly mixed, the gas can be more fully burnt, and the flame temperature is increased.

2. According to the double-cyclone burner provided by the invention, the gas and the air are mixed in the spiral air channel formed by the inner and outer ring combustion cores and are directly ignited for combustion after being mixed, compared with the prior art that the gas and the air are mixed in a pipeline, the phenomenon of tempering does not occur, and the safety performance of the burner is improved.

3. The double-cyclone burner provided by the invention is provided with the flame sensing needle, and the electromagnetic valve is opened to introduce gas when the flame sensing needle senses that the burner is in an ignition state; the situation that the gas is introduced without igniting the fire species can not occur, and the gas can not overflow; the flame response needle can also sense the unexpected flame-out of two cyclone burners, and then the control solenoid valve in time closes the gas pipeline, makes the gas can not leak, and the security is higher.

4. According to the double-cyclone burner provided by the invention, the top of the burner air box is covered with the fire collector, and the interior of the fire collector is provided with the tapered channel which is narrow at the top and wide at the bottom, so that the speed is gradually increased in the process of upward spraying of burning flame, and the temperature of the flame is further increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an exploded view of a dual cyclone burner according to the present invention;

FIG. 2 is a perspective assembly view of the dual cyclone burner of the present invention;

FIG. 3 is a top view of a dual cyclone burner according to the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 7 is a schematic perspective view of an outer ring combustion core of the present invention with end plates and gas inlets;

FIG. 8 is a schematic perspective view of an outer ring combustion core of the present invention with an end plate assembled therein, wherein the end plate is in a half-section;

FIG. 9 is a perspective view of an outer ring combustion wick according to the present invention;

FIG. 10 is another view of FIG. 9;

FIG. 11 is a perspective view of an inner ring combustion core according to the present invention;

FIG. 12 is a perspective view of the fire collector of the present invention;

in the figure: 1-combustor wind box, 2-outer ring combustion core, 3-inner ring combustion core, 4-fire collector, 5-kindling combustor, 6-ignition needle, 7-flame induction needle, 8-high temperature resistant sealing ring, 9-gas pipeline connector, 10-containing cavity, 11-air inlet, 12-outer spiral tooth, 13-outer spiral air channel, 14-outer gas chamber, 15-outer gas outlet, 16-containing groove, 17-inner spiral tooth, 18-inner spiral air channel, 19-inner gas chamber, 20-inner gas outlet, 21-end sealing plate, 22-gas inlet, 23-central air inlet, 24-air inlet channel, 25-inner air inlet, 26-air inlet pipeline, 27-sealing ring, 28-annular clamping part, 29-plug column, 30-tapered passage, 31-sealed cabin and 32-lifting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a double-cyclone burner to solve the problems in the prior art.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The embodiment provides a double-cyclone burner, as shown in fig. 1-6, comprising a burner wind box 1, an outer ring combustion core 2, an inner ring combustion core 3, a flame burner 5, an ignition needle 6 and a flame induction needle 7;

the inner part of the burner wind box 1 is an accommodating cavity 10 with an opening at the top and an air inlet 11 at the bottom, the outer ring combustion core 2 is arranged in the accommodating cavity 10, a plurality of outer spiral teeth 12 are circumferentially distributed on the outer part of the outer ring combustion core 2, the outer spiral teeth 12 and the inner wall of the burner wind box 1 form a plurality of outer spiral air channels 13, an outer gas chamber 14 communicated with a gas pipeline is also arranged in the core body of the outer ring combustion core 2, the outer gas chamber 14 is an annular groove formed from the bottom of the outer ring combustion core 2 to the top, and each outer spiral air channel 13 is provided with an outer gas outlet 15 communicated with the outer gas chamber 14; an accommodating groove 16 is formed in the core body of the outer ring combustion core 2 on the inner side of the annular groove from the top to the bottom, the inner ring combustion core 3 is arranged in the accommodating groove 16, a plurality of inner spiral teeth 17 are circumferentially distributed on the outer part of the inner ring combustion core 3, the inner spiral teeth 17 and the groove wall of the accommodating groove 16 form a plurality of inner spiral air channels 18, an inner combustion air chamber 19 communicated with a gas pipeline is further arranged in the core body of the inner ring combustion core 3, and an inner combustion air outlet 20 communicated with the inner combustion air chamber 19 is formed in each inner spiral air channel 18; the air inlet 11 is communicated with the outer spiral air duct 13 and the inner spiral air duct 18;

the ignition needle 6 is used for igniting the kindling combustor 5, the kindling combustor 5 is used for igniting gas, and the flame induction needle 7 is internally provided with a flame inductor for inducing whether the kindling combustor 5 and the double-cyclone combustor are in a combustion state or not; sensing whether the flame burner 5 is in a burning state or not, and further ensuring that the burner cannot be filled with gas when the flame burner 5 is not ignited; the combustion state of the double-cyclone burner is sensed, the accidental flameout of the double-cyclone burner can be sensed, and then the electromagnetic valve is controlled to close the gas pipeline in time, so that gas cannot leak, and the safety of the burner is further improved.

In this embodiment, as shown in fig. 4-5 and 7-9, the bottom of the outer ring combustion core 2 is further provided with a sealing end plate 21, the sealing end plate 21 is welded and fixed to the inner wall of the outer ring combustion core 2, a gas inlet 22 connected to a gas pipeline is welded at the center of the sealing end plate 21, a central air inlet 23 communicating the gas inlet 22 with the inner gas chamber 19 is arranged in the middle of the accommodating groove 16, and an air inlet channel 24 communicating the gas inlet 22 with the outer gas chamber 14 extends from the bottom of the accommodating groove 16 to both sides of the sealing end plate 21; an internal air inlet 25 penetrating through the bottom of the groove and the end sealing plate 21 is further arranged on the bottom of the accommodating groove 16, and the internal air inlet 25 is communicated with the internal spiral air duct 18.

As shown in fig. 1, 2 and 5, a gas pipeline connecting port 9 is further arranged on the side wall of the burner wind box 1, and the gas pipeline connecting port 9 is communicated with a gas inlet 22 through an air inlet pipeline 26; the gas delivered by the gas pipeline is delivered to a gas inlet 22 through a gas inlet pipeline 26, and the gas inlet 22 respectively introduces gas into the inner gas chamber 19 and the outer gas chamber 14 through a central gas inlet 23 and a gas inlet channel 24, and the introduced gas is introduced into the corresponding inner spiral air channel 18 and the outer spiral air channel 13 through an inner gas outlet 20 and an outer gas outlet 15 and is mixed with the air introduced into the inner spiral air channel 18 and the outer spiral air channel 13; because each inner spiral air duct 18 and each outer spiral air duct 13 are provided with a gas outlet, gas can be uniformly distributed to each air duct, and multiple parts of gas and multiple parts of air can be mixed more uniformly and can be combusted more fully after being ignited, so that the utilization rate of the gas is improved, and the temperature of flame is increased; moreover, because the spiral teeth arranged on the outer ring combustion core 2 and the inner ring combustion core 3 further form a spiral air channel, after the fuel gas and the air are mixed in the spiral air channel, the flame is sprayed out in a spiral flame state under the condition of ignition.

In order to ensure the sealing performance, in the present embodiment, a sealing ring 27 is further provided between the intake pipe 26 and the gas inlet 22.

In this embodiment, an annular clamping portion 28 is disposed on an inner side wall of the burner wind box 1, and the bottom of the outer ring combustion core 2 is clamped on the annular clamping portion 28, so as to position the outer ring combustion core 2.

As shown in fig. 4-5 and 10-11, an insertion column 29 is protruded upward from the bottom of the receiving groove 16 to form a cavity of the inner ring combustion core 3 of the inner combustion chamber, which is a groove opened upward from the bottom of the inner ring combustion core 3, and an opening of the groove is sleeved outside the insertion column 29.

As shown in fig. 1-5 and 12, in the present embodiment, a fire collector 4 is further covered on the top of the burner wind box 1; the inside of the fire collector 4 is a tapered passage 30 opposite to the outer spiral air duct 13 and the inner spiral air duct 18, and the diameter of the bottom of the tapered passage 30 is larger than that of the top; in order to ensure the sealing performance, a high-temperature resistant sealing ring 8 is arranged between the fire collector 4 and the burner air box 1; the tapered passage 30 provided in the fire collector 4 can gradually reduce the diameter of the flame, and further accelerate the upward concentrated ejection, thereby further increasing the temperature of the flame.

As shown in fig. 1 and 6, in the present embodiment, the ignition needle 6, the flame burner 5 and the flame sensing needle 7 are vertically inserted into the casing of the burner wind box 1, and the top portions of the ignition needle 6, the flame burner 5 and the flame sensing needle 7 protruding from the burner wind box 1 are disposed in the sealed cabin 31 disposed on the casing of the fire collector 4; the fire collector 4 covers and penetrates at the top of the burner wind box 1, and a concave sealed cabin 31 is arranged at the corresponding position, so that the sealed cabin 31 just can cover and arrange the ignition needle 6, the kindling burner 5 and the flame induction needle 7, and the kindling burner 5 is not exposed.

In this embodiment, the top of the outer ring combustion core 2 is also symmetrically provided with two hoisting holes 32, which facilitates hoisting of the outer ring combustion core 2.

The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.

Claims

1. A double cyclone burner is characterized in that: comprises a burner wind box, an outer ring combustion core, an inner ring combustion core, a kindling burner, an ignition needle and a flame induction needle;

the combustor wind box is internally provided with an accommodating cavity with an opening at the top and an air inlet at the bottom, the outer ring combustion core is arranged in the accommodating cavity, a plurality of outer spiral teeth are circumferentially distributed outside the outer ring combustion core, the outer spiral teeth and the inner wall of the combustor wind box form a plurality of outer spiral wind channels, an outer gas chamber communicated with a gas pipeline is further arranged in the core of the outer ring combustion core, and each outer spiral wind channel is provided with an outer gas outlet communicated with the outer gas chamber; an accommodating groove is formed in the core body of the outer ring combustion core from the top to the bottom, the inner ring combustion core is arranged in the accommodating groove, a plurality of inner spiral teeth are circumferentially distributed on the outer portion of the inner ring combustion core, the inner spiral teeth and the groove wall of the accommodating groove form a plurality of inner spiral air channels, an inner combustion air chamber communicated with a gas pipeline is further arranged in the core body of the inner ring combustion core, and an inner combustion air outlet communicated with the inner combustion air chamber is formed in each inner spiral air channel; the air inlet is communicated with the outer spiral air duct and the inner spiral air duct; the bottom of the outer ring combustion core is also provided with an end sealing plate, a gas inlet connected with a gas pipeline is formed in the end sealing plate, a central gas inlet communicated with the gas inlet and the internal combustion gas chamber is formed in the middle of the accommodating groove, and a gas inlet channel communicated with the gas inlet and the external combustion gas chamber extends towards two sides between the bottom of the accommodating groove and the end sealing plate; an internal air inlet penetrating through the bottom of the accommodating groove and the end sealing plate is further formed in the bottom of the accommodating groove and is communicated with the internal spiral air duct;

2. The dual cyclone burner of claim 1, wherein: the side wall of the combustor air box is also provided with a gas pipeline connecting port which is communicated with the gas inlet through an air inlet pipeline.

3. The dual cyclone burner of claim 2, wherein: and a sealing ring is arranged between the air inlet pipeline and the fuel gas inlet.

4. The dual cyclone burner of claim 1, wherein: the combustor wind box is characterized in that an annular clamping portion is arranged on the inner side wall of the combustor wind box, and the bottom of the outer ring combustion core is clamped on the annular clamping portion.

5. The dual cyclone burner of claim 1, wherein: the bottom of the containing groove is upwards protruded with an inserting column, and the inner ring combustion core is sleeved outside the inserting column.

6. The dual cyclone burner of claim 1, wherein: the top of the burner wind box is also covered with a fire collector, the inside of the fire collector is a conical passage opposite to the outer spiral wind channel and the inner spiral wind channel, and the diameter of the bottom of the conical passage is larger than that of the top.

7. The dual cyclone burner of claim 6, wherein: and a high-temperature-resistant sealing ring is arranged between the fire collector and the burner air box.

8. The dual cyclone burner of claim 6, wherein: the ignition needle the kindling combustor with the equal vertical dress of wearing of flame response needle is in on the shell of combustor wind box, the ignition needle the kindling combustor with the salient in top of flame response needle in the part of combustor wind box set up in the sealed cabin that sets up on the shell of collection firearm.

9. The dual cyclone burner of claim 1, wherein: the top of outer ring burning core still the symmetry is provided with two hole for hoist.