CN111351040A - Burner for gas stove - Google Patents

Burner for gas stove Download PDF

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Publication number
CN111351040A
CN111351040A CN201811576931.0A CN201811576931A CN111351040A CN 111351040 A CN111351040 A CN 111351040A CN 201811576931 A CN201811576931 A CN 201811576931A CN 111351040 A CN111351040 A CN 111351040A
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CN
China
Prior art keywords
combustion chamber
air
burner
flame combustion
nitrogen
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Granted
Application number
CN201811576931.0A
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Chinese (zh)
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CN111351040B (en
Inventor
李怀峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201811576931.0A priority Critical patent/CN111351040B/en
Publication of CN111351040A publication Critical patent/CN111351040A/en
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Publication of CN111351040B publication Critical patent/CN111351040B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/68—Treating the combustion air or gas, e.g. by filtering, or moistening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention relates to a burner for a gas stove, which comprises a burner body, wherein the burner body comprises a central thick flame combustion chamber, a light flame combustion chamber and a peripheral thick flame combustion chamber which are sequentially distributed from the center to the periphery, and the burner is characterized in that: the invention also comprises an air pipe, a magnetic separation device is arranged on the periphery of the pipe wall of the air pipe corresponding to the air inlet end, the separated oxygen-enriched air is communicated with the light flame combustion chamber, and the separated nitrogen-enriched air is communicated with the central thick flame combustion chamber and the peripheral thick flame combustion chamber. Thereby effectively reducing the generation of NOx and being environment-friendly.

Description

Burner for gas stove
Technical Field
The invention relates to the field of kitchenware, in particular to a burner for a gas stove.
Background
At present, researches on the burners of the kitchen range are carried out based on conventional combustion, and the requirements on indexes of the heat efficiency of the kitchen range are higherThe higher the temperature, the more difficult the development of the conventional combustion method for obtaining higher thermal efficiency, the bottleneck will be reached finally, and the space for improvement is difficult to be provided. In the related art, gas cookers are designed to burn gas mixed with air, wherein oxygen accounts for about 21% of the air, and nitrogen accounts for about 79%. The nitrogen does not burn, and the heat generated when the fuel gas and the oxygen are burnt can be absorbed and taken away by the nitrogen, so that the waste of the combustion heat is caused; meanwhile, because part of the oxygen is not fully mixed with the fuel gas, the oxygen and the fuel gas can react with the nitrogen to generate NO and NO2、N2And harmful nitrogen oxides such as O and the like harm the personal safety of users.
Therefore, a new combustion method needs to be proposed to break through the technical bottleneck of conventional combustion to obtain higher thermal efficiency, for example, a chinese patent application publication No. 201710363021.3 (publication No. CN10716646A) discloses a gas cooker comprising a burner and an oxygen enrichment device, the oxygen enrichment device is communicated with the burner, the oxygen enrichment device comprises a nitrogen-oxygen separation device, the nitrogen-oxygen separation device is used for separating nitrogen and oxygen to obtain oxygen-enriched air and inputting the oxygen-enriched air to the burner, the adopted nitrogen-oxygen separation device comprises at least one of a molecular sieve barrel and an oxygen enrichment membrane, which are conventional separation methods, the conventional separation methods such as the molecular sieve barrel and the oxygen enrichment membrane can obtain high-purity oxygen-enriched air, and the defects are that a larger pressure difference is required to drive air to flow, the device is large, complex and large in energy consumption, and only the separated oxygen-enriched air is used, thick and thin flames are not formed, the nitrogen reduction effect is poor, and the energy efficiency is lower. Therefore, the invention patent of Chinese patent No. ZL201010512957.6 (No. CN102454991A) for dense and light combustion furnace end for kitchen range discloses a dense and light combustion furnace end for kitchen range, which mainly comprises a nozzle fixing seat, an ejector, a furnace disc and a furnace end, wherein a large nozzle is arranged on the nozzle fixing seat and is opposite to one port of the ejector; the burner is provided with an inner ring fire cover and an outer ring fire cover which are respectively provided with fire holes, the burner is provided with a first cavity, a second cavity and a third cavity, the outer ring fire cover is provided with an outer ring, a middle ring and an inner ring fire hole, the outer ring fire cover, the middle ring and the inner ring fire hole respectively form a thick combustion fire hole, a light combustion fire hole and a thick combustion fire hole, and the ejector comprises an inner ring ejector, an outer ring ejector and a stove plateThe furnace plate is provided with a plurality of small nozzles. The fuel gas reaches the fire hole through each ejector through the nozzle fixing seat, two circles of thick flames are formed on the outer ring fire cover finally, and a circle of light flames is formed in the middle. The thick and thin combustion furnace for the stove has simple structure, can make air and gas more fully mixed, fully combust and effectively reduce NOxThe burner has large fire power, can meet the traditional stir-frying requirement of Chinese people, and can form two circles of thick flames on the outer ring fire cover, and form a circle of thin flames in the middle, the thin flames can be effectively and fully contacted with air through at least two times of injection, so that a fire-removing phenomenon can be formed during combustion.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a burner for a gas stove, which has good thick and thin flame forming effect, aiming at the current state of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: this a combustor for gas-cooker, including the combustor body, the combustor body includes central thick flame combustion chamber, light flame combustion chamber and the peripheral thick flame combustion chamber that distributes in proper order from central authorities to the periphery, its characterized in that: the device is characterized by further comprising an air pipe, wherein a magnetic separation device used for generating a magnetic field suitable for separating oxygen and nitrogen in the air is arranged on the periphery of the pipe wall of the air pipe corresponding to the air inlet end, the separated oxygen-enriched air is communicated with the light flame combustion chamber, and the separated nitrogen-enriched air is communicated with the central thick flame combustion chamber and the peripheral thick flame combustion chamber.
In order to effectively communicate with the light flame combustion chamber, the central rich flame combustion chamber and the peripheral rich flame combustion chamber, the air pipe is provided at the air outlet end with an oxygen-enriched air pipe which is relatively isolated and respectively communicated with the light flame combustion chamber and a nitrogen-enriched air pipe which is communicated with the central rich flame combustion chamber and the peripheral rich flame combustion chamber.
In order to prevent the air pipe from being difficult to separate the air into the oxygen-enriched air and the nitrogen-enriched air at a position downstream of the magnetic separation device, a partition plate is provided in the air pipe at a position downstream of the magnetic separation device in the direction of the flow of the air, the partition plate being located at a branch of the oxygen-enriched air pipe and the nitrogen-enriched air pipe. The partition board can separate the separated oxygen-enriched air and nitrogen-enriched air and make them respectively enter into the light flame combustion chamber, central thick flame combustion chamber and peripheral thick flame combustion chamber.
And further comprises a nitrogen-enriched air chamber positioned below the burner body, wherein the nitrogen-enriched air chamber is isolated from the burner body and communicated with the nitrogen-enriched air pipe. The separated nitrogen-rich air enters the nitrogen-rich air chamber and then respectively enters the light flame combustion chamber, the central rich flame combustion chamber and the peripheral rich flame combustion chamber, and a process of concentrating the nitrogen-rich air is provided.
Furthermore, the nitrogen-enriched air chamber comprises a central air outlet communicated with the central rich flame combustion chamber and a peripheral air outlet communicated with the peripheral rich flame combustion chamber.
Preferably, the central air outlet communicates with the central rich flame combustion chamber through a central transfer passage and the peripheral air outlet communicates with the peripheral rich flame combustion chamber through a peripheral transfer passage.
In order to facilitate the adjustment of the oxygen concentration in the nitrogen-enriched air chamber and prevent the oxygen content in the separated negative oxygen air from being too low, the nitrogen-enriched air chamber is preferably further provided with a through hole communicated with the outside and an adjusting piece for adjusting the air inflow of the through hole. For supplementing the nitrogen-enriched air chamber with ambient air, if necessary.
Further, the oxygen-enriched air pipe is in a bell mouth shape. This design can make the oxygen boosting air pipe have the venturi chamber effect, and the oxygen boosting air inhales light flame combustion chamber with the help of the low pressure that the venturi effect that obtains among the oxygen boosting air pipe venturi chamber self caused, has effectively improved the inspiratory rate of oxygen boosting air.
Furthermore, the air inlet end of the air pipe is locally provided with a necking, the magnetic separation device is arranged at the position of the periphery of the pipe wall relative to the necking and comprises at least two plate-shaped magnets, and the adjacent plate-shaped magnets are arranged at intervals at a certain distance d in the direction parallel to the axis of the air pipe. The necking makes the air inlet end of the air pipe have a bending part to the nitrogen-enriched air pipe, the bending part can make the separated nitrogen-enriched air more fully enter the nitrogen-enriched air chamber, and in addition, in order to realize the magnetic field gradient of the magnetic separation device, in the magnetic field with larger magnetic field gradient, the attraction force of oxygen molecules can be stronger. The plate-shaped magnet may be not only a permanent magnet but also an electromagnet.
In order to effectively carry out the magnetic separation of the gas and realize stronger magnetic field gradient in a smaller space, the distance d is preferably between 0 and 5 mm. The number of the plate-shaped magnets is 2-5, and the magnetic induction intensity of the plate-shaped magnet positioned at the downstream of the adjacent plate-shaped magnets is stronger than that of the plate-shaped magnet positioned at the upstream.
In order to organically combine the thick flame and the thin flame on the same burner body, the open mouth of the burner body is covered with a mesh type fire cover.
Compared with the prior art, the invention has the advantages that when air flows through the central magnetic field of the magnetic separation device, nitrogen and oxygen are treated by the single-stage, double-stage or multi-stage magnetic field of the magnetic separation device, the nitrogen and the oxygen are effectively separated, the oxygen increasing concentration reaches 21-23%, so that the fuel gas is fully combusted in an oxygen-enriched state, energy is effectively saved, in addition, the nitrogen and oxygen separation effect of the air is particularly obvious by the gradient magnetic field, the nitrogen and the oxygen are fully utilized to be separated by the magnetic separation device through the air, and the nitrogen and the oxygen are organically combined with the thick flame and the thin flame of the burner body to form thick-thin-thick combustion, thereby effectively reducing the generation of NOx, and the.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a structural sectional view of a burner body and a nitrogen-enriched air chamber;
FIG. 4 is a cross-sectional view of the structure at another angle;
fig. 5 is a schematic structural diagram of the oxygen-enriched air pipe and the nitrogen-enriched air pipe connected to the air outlet end of the air pipe in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1 to 5, the preferred embodiment of the present invention is shown. The combustor for the gas stove in the embodiment comprises a combustor body 1, wherein the combustor body 1 comprises a central thick flame combustion chamber 11, a thin flame combustion chamber 12 and a peripheral thick flame combustion chamber 13 which are sequentially distributed from the center to the periphery, and further comprises an air pipe 2, the air pipe 2 is provided with a magnetic separation device 3 which is used for generating a magnetic field suitable for separating oxygen and nitrogen in the air at the periphery of a pipe wall corresponding to an air inlet end 21, the separated oxygen-enriched air is communicated with the thin flame combustion chamber 12, and the separated nitrogen-enriched air is communicated with the central thick flame combustion chamber 11 and the peripheral thick flame combustion chamber 13. In order to effectively communicate with the light flame combustor 12 and the central rich flame combustor 11 and the peripheral rich flame combustor 13, the air pipe 2 has an oxygen-rich air pipe 211 relatively isolated at the air outlet end 22 and communicating with the light flame combustor 12 and the nitrogen-rich air pipe 212, respectively, to make it difficult to separate the air into oxygen-rich air and nitrogen-rich air at a position downstream of the magnetic separation device 3, a partition plate 4 is disposed in the air pipe 2 at a position downstream of the magnetic separation device 3 in the direction of the flow of the air, the partition plate 4 being located at a branch of the oxygen-rich air pipe 211 and the nitrogen-rich air pipe 212, the partition plate 4 being capable of separating the separated oxygen-rich air and nitrogen-rich air and entering the light flame combustor 12 and the central rich flame combustor 11 and the peripheral rich flame combustor 13, respectively.
In addition, the burner also comprises a nitrogen-rich air chamber 5 positioned below the burner body 1, the nitrogen-rich air chamber 5 is isolated from the burner body 1 and communicated with the nitrogen-rich air pipe 212, the separated nitrogen-rich air enters the nitrogen-rich air chamber 5 and then respectively enters the light flame combustion chamber 12, the central rich flame combustion chamber 11 and the peripheral rich flame combustion chamber 13, a process of concentrating the nitrogen-rich air is provided, in addition, the nitrogen-rich air chamber 5 is isolated from the burner body 1, and the two are isolated by air, so that combustion heat generated in the combustion process of the burner body can be conducted to the nitrogen-rich air chamber 5, and a nozzle directly connected to the nitrogen-rich air chamber 5 is prevented from being diluted due to combustion heat when the fuel gas is sprayed. The nitrogen-rich air chamber 5 comprises a central air outlet 51 communicated with the central rich flame combustion chamber 11 and a peripheral air outlet 52 communicated with the peripheral rich flame combustion chamber 13, wherein the central air outlet 51 is communicated with the central rich flame combustion chamber 11 through a central transfer passage 53, and the peripheral air outlet 52 is communicated with the peripheral rich flame combustion chamber 13 through a peripheral transfer passage 54. In order to adjust the oxygen concentration in the nitrogen-enriched air chamber 5 and prevent the oxygen content in the separated negative oxygen air from being too low, the nitrogen-enriched air chamber 5 is further provided with a through hole communicated with the outside and an adjusting piece (not shown in the figure) for adjusting the air inflow of the through hole, and the adjusting piece is used for supplementing the outside air into the nitrogen-enriched air chamber 5 when necessary.
Wherein, oxygen-enriched air pipe 211 is the horn mouth form, and this design can make oxygen-enriched air pipe 211 have venturi chamber effect, and oxygen-enriched air inhales light flame combustion chamber 12 with the help of the low pressure that the venturi effect that obtains in oxygen-enriched air pipe 211 venturi chamber self caused, has effectively improved oxygen-enriched air's suction rate. Furthermore, the air inlet end 21 of the air tube 2 is provided with a local necking 213, the magnetic separation device 3 is arranged at the position of the periphery of the tube wall corresponding to the necking 213, and comprises at least two plate-shaped magnets 31, the adjacent plate-shaped magnets 31 are arranged at intervals with a certain distance d in the direction parallel to the axis of the air tube 2, the necking 213 enables the air inlet end 21 of the air tube 2 to the nitrogen-enriched air tube 212 to be provided with a bending part, the bending part enables the separated nitrogen-enriched air to enter the nitrogen-enriched air chamber 5 more fully, and in addition, in order to realize the magnetic field gradient of the magnetic separation device 3, in the magnetic field with larger magnetic field gradient, the attraction force of oxygen molecules can be stronger. The plate magnet 31 may be not only a permanent magnet but also an electromagnet. In order to effectively carry out the magnetic separation of the gas and realize stronger magnetic field gradient in a smaller space, the distance d is preferably between 0 and 5 mm. The number of plate-shaped magnets 31 is 2 to 5, the magnetic induction of plate-shaped magnet 31 positioned downstream in adjacent plate-shaped magnets 31 is stronger than the magnetic induction of plate-shaped magnet 31 positioned upstream, and the adjacent magnetic poles in adjacent plate-shaped magnets 31 may be either different magnetic poles or same magnetic poles, or may be in the range between the two cases; the best arrangement mode is that the adjacent magnetic poles in the adjacent plate-shaped magnets 31 are the magnetic poles with the same magnetic polarity so as to achieve stronger magnetic field gradient, preferably, the magnetic induction intensity of each plate-shaped magnet 31 is 0.8-100T, the magnetic field gradient is 80-1000T/m, the magnetic induction intensity of the plate-shaped magnet 31 positioned at the downstream position in the adjacent plate-shaped magnets 31 is stronger than the magnetic induction intensity of the plate-shaped magnet 31 positioned at the upstream position, the distance d between the adjacent plate-shaped magnets 31 is 0-5mm, the number of the plate-shaped magnets 31 is 2-5, and the oxygen enrichment ratio can reach 21% -23%; the smaller the distance d between adjacent plate-shaped magnets 31, the larger the magnetic field gradient, the larger the difference in magnetic induction between adjacent plate-shaped magnets 31, the larger the magnetic field gradient, e.g., the number of plate-shaped magnets 31 is 3, the plate-shaped magnets 31 having a difference in magnetic induction between adjacent plate-shaped magnets 31 of 20T are exemplified, the magnetic field gradient in the magnetic pole gap and the vicinity thereof can be about 400T/m when the magnetic poles of adjacent plate-shaped magnets 31 close to each other are of the same magnetic polarity, the magnetic field gradient in the magnetic pole gap and the vicinity thereof can be about 1000T/m when the magnetic pole distance is 2mm, and the magnetic field gradient in the magnetic pole gap and the vicinity thereof can be about 8000T/m when the magnetic pole distance is about 5mm when the plate-shaped magnets 31 having a difference in magnetic induction of 40T are still close to each other with the magnetic poles of the same magnetic polarity, when the magnetic pole pitch is about 1mm, the magnetic field gradient in the magnetic pole gap and the vicinity thereof can be about 4000T/m, even if the magnetic field gradient value can be about 500T/m to 1000T/m when the magnetic pole pitch is 0.2mm to 0.1mm in a similar case when the plate-shaped magnets 31 having the difference in magnetic induction of 10T are adjacent to each other, the magnetic field gradient in the present embodiment can be 80-1000T/m, and the oxygen enrichment rate can be 21% to 23%.
In order to organically combine the rich flame and the lean flame on the same burner body 1, the open mouth of the burner body 1 is covered with a mesh type fire cover 6. When air flows through the central magnetic field of the magnetic separation device 3, nitrogen and oxygen are processed through the single-stage, double-stage or multi-stage magnetic field of the magnetic separation device 3, the effective separation is realized, the oxygen increasing concentration reaches 21 to 23 percent, the fuel gas is fully combusted in an oxygen-enriched state, the energy is effectively saved, in addition, the nitrogen-oxygen separation effect of the air through the gradient magnetic field is particularly obvious, the nitrogen-enriched air and the oxygen-enriched air are fully utilized, the nitrogen-enriched air is separated out through the magnetic separation device 3, the nitrogen-enriched air enters the nitrogen-enriched air chamber 5 and is mixed with the fuel gas sprayed through the first nozzle 30 on the nitrogen-enriched air chamber 5, the nitrogen-enriched air enters the central dense flame combustion chamber 11 and the peripheral dense flame combustion chamber 13 through the central transmission channel 53 and the peripheral transmission channel 54 to carry out the dense flame combustion, and the oxygen-enriched air enters the oxygen-enriched air and is, enters the light flame combustion chamber 12 for light flame combustion.

Claims (11)

1. The utility model provides a combustor for gas-cooker, includes combustor body (1), combustor body (1) includes central rich flame combustion chamber (11), light flame combustion chamber (12) and periphery rich flame combustion chamber (13) that distribute gradually from central authorities to the periphery, its characterized in that: the device is characterized by further comprising an air pipe (2), wherein a magnetic separation device (3) used for generating a magnetic field suitable for separating oxygen and nitrogen in the air is arranged on the periphery of the pipe wall corresponding to the air inlet end (21) of the air pipe (2), the separated oxygen-enriched air is communicated with the light flame combustion chamber (12), and the separated nitrogen-enriched air is communicated with the central thick flame combustion chamber (11) and the peripheral thick flame combustion chamber (13).
2. Burner for gas cooktops according to claim 1, characterized in that: the air pipe (2) is provided with an oxygen-enriched air pipe (211) which is relatively isolated and is respectively communicated with the light flame combustion chamber (12) and a nitrogen-enriched air pipe (212) which is communicated with the central rich flame combustion chamber (11) and the peripheral rich flame combustion chamber (13) at an air outlet end (22).
3. Burner for gas cooktops according to claim 2, characterized in that: in the air flowing direction, a partition plate (4) is arranged in the air pipe (2) at the position downstream of the magnetic separation device (3), and the partition plate (4) is positioned at the branching position of the oxygen-enriched air pipe (211) and the nitrogen-enriched air pipe (212).
4. Burner for gas cooktops according to claim 3, characterized in that: the burner also comprises a nitrogen-enriched air chamber (5) positioned below the burner body (1), wherein the nitrogen-enriched air chamber (5) is isolated from the burner body (1) and is communicated with the nitrogen-enriched air pipe (212).
5. Burner for gas cooktops according to claim 4, characterized in that: the nitrogen-enriched air chamber (5) comprises a central air outlet (51) communicated with the central rich flame combustion chamber (11) and an outer peripheral air outlet (52) communicated with the outer peripheral rich flame combustion chamber (13).
6. Burner for gas cooktops according to claim 5, characterized in that: the central air outlet (51) is communicated with the central rich flame combustion chamber (11) through a central transfer passage (53) and the peripheral air outlet (52) is communicated with the peripheral rich flame combustion chamber (13) through a peripheral transfer passage (54).
7. Burner for gas cooktops according to claim 6, characterized in that: the nitrogen-enriched air chamber (5) is also provided with a through hole communicated with the outside and an adjusting piece for adjusting the air inflow of the through hole.
8. The burner for a gas range according to any one of claims 2 to 7, wherein: the oxygen-enriched air pipe (211) is in a bell mouth shape.
9. The burner for a gas range according to any one of claims 1 to 7, wherein: the air inlet end (21) of the air pipe (2) is locally provided with a necking opening (213), the magnetic separation device (3) is arranged at the position of the periphery of the pipe wall relative to the necking opening (213) and comprises at least two plate-shaped magnets (31), and the adjacent plate-shaped magnets (31) are arranged at intervals at a certain distance d in the direction parallel to the axis of the air pipe (2).
10. Burner for gas cooktops according to claim 9, characterized in that: the distance d is between 1 and 5 mm.
11. The burner for a gas range according to any one of claims 1 to 7, wherein: the open mouth of the burner body (1) is covered with a mesh type fire cover (6).
CN201811576931.0A 2018-12-23 2018-12-23 Burner for gas stove Active CN111351040B (en)

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CN201811576931.0A CN111351040B (en) 2018-12-23 2018-12-23 Burner for gas stove

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Application Number Priority Date Filing Date Title
CN201811576931.0A CN111351040B (en) 2018-12-23 2018-12-23 Burner for gas stove

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CN111351040B CN111351040B (en) 2022-04-19

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1842880A1 (en) * 2006-04-06 2007-10-10 Matter Engineering AG Soot generator
CN101968220A (en) * 2010-10-28 2011-02-09 河北工业大学 Low nitrogen oxide burning process as well as burning device and application
JP2011163627A (en) * 2010-02-08 2011-08-25 Paloma Co Ltd Gas burner and burning appliance
CN102454991A (en) * 2010-10-20 2012-05-16 樱花卫厨（中国）股份有限公司 Dense-lean combustion burner for stove
CN104676591A (en) * 2014-06-17 2015-06-03 广东美的厨房电器制造有限公司 Burner and gas stove with same
CN106016267A (en) * 2016-07-07 2016-10-12 江苏叶茂厨卫科技有限公司 Environment-friendly dense and sparse burner
CN108006631A (en) * 2016-11-25 2018-05-08 芜湖美的厨卫电器制造有限公司 Burner and there is its gas heater

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1842880A1 (en) * 2006-04-06 2007-10-10 Matter Engineering AG Soot generator
JP2011163627A (en) * 2010-02-08 2011-08-25 Paloma Co Ltd Gas burner and burning appliance
CN102454991A (en) * 2010-10-20 2012-05-16 樱花卫厨（中国）股份有限公司 Dense-lean combustion burner for stove
CN101968220A (en) * 2010-10-28 2011-02-09 河北工业大学 Low nitrogen oxide burning process as well as burning device and application
CN104676591A (en) * 2014-06-17 2015-06-03 广东美的厨房电器制造有限公司 Burner and gas stove with same
CN106016267A (en) * 2016-07-07 2016-10-12 江苏叶茂厨卫科技有限公司 Environment-friendly dense and sparse burner
CN108006631A (en) * 2016-11-25 2018-05-08 芜湖美的厨卫电器制造有限公司 Burner and there is its gas heater

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王喜魁 等: "磁分离聚氧聚氮原理性实验装置研究", 《华北电力大学学报》 *

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