CN108800124B - Burner fire cover, burner and gas stove - Google Patents
Burner fire cover, burner and gas stove Download PDFInfo
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- CN108800124B CN108800124B CN201710294697.1A CN201710294697A CN108800124B CN 108800124 B CN108800124 B CN 108800124B CN 201710294697 A CN201710294697 A CN 201710294697A CN 108800124 B CN108800124 B CN 108800124B
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- burner
- fire
- outer ring
- inner ring
- fire cover
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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
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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
- F23D14/12—Radiant burners
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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
- F23D14/46—Details
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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
- F23D14/46—Details
- F23D14/62—Mixing devices; Mixing tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D23/00—Assemblies of two or more burners
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
本发明涉及一种燃烧器火盖、燃烧器及燃气灶，包括内环火燃烧器和外环火燃烧器，内环火燃烧器和/或外环火燃烧器由第一燃烧器本体和第二燃烧器本体组成，第一燃烧器本体和第二燃烧器本体分别为大气式燃烧器和红外线燃烧器，第一燃烧器本体由第一混气腔和设置在第一混气腔顶部的一个或多个第一火盖组成，第二燃烧器本体由第二混气腔和设置在第二混气腔顶部的一个或多个第二火盖组成，第一火盖以镶嵌的方式安装在第二火盖内。本发明燃烧器火盖发热面积利用率更高，燃烧器火盖几乎没有加热盲区，红外线燃烧区域含有大气式燃烧，大气式燃烧区域又含有红外线燃烧，两种燃烧方式相互融合在一起，燃烧效率大幅提高，而且火力较大，特别适合中餐烹饪。
The present invention relates to a burner fire cover, a burner and a gas stove, including an inner ring fire burner and an outer ring fire burner, the inner ring fire burner and/or the outer ring fire burner is composed of a first burner body and a second burner body, the first burner body and the second burner body are respectively an atmospheric burner and an infrared burner, the first burner body is composed of a first gas mixing chamber and one or more first fire covers arranged on the top of the first gas mixing chamber, the second burner body is composed of a second gas mixing chamber and one or more second fire covers arranged on the top of the second gas mixing chamber, and the first fire cover is installed in the second fire cover in an embedded manner. The burner fire cover of the present invention has a higher heating area utilization rate, and the burner fire cover has almost no heating blind area, the infrared combustion area contains atmospheric combustion, and the atmospheric combustion area contains infrared combustion, the two combustion modes are integrated with each other, the combustion efficiency is greatly improved, and the firepower is large, which is particularly suitable for Chinese cooking.
Description
Technical Field
The invention relates to a gas stove, in particular to a combined burner and a burner fire cover which are arranged on the gas stove and integrate atmospheric combustion and infrared combustion.
Background
Existing burners are commonly in two forms, one is an atmospheric burner and the other is an infrared burner. The atmospheric burner belongs to a partial premixed combustion mode, the generated high-temperature flame mainly heats a heating object in a convection heat exchange mode, chemical heat loss and physical heat loss exist in the heating process of the heating object by the flame, and the atmospheric burner is relatively high in premixed gas concentration, so that the atmospheric burner is relatively high in stability in the use process and relatively high in heat load adjustment. The infrared burner belongs to a fully premixed far infrared radiation combustion mode, gas utilizes an ejector to premix all air quantity required by gas combustion, the surface of a combustion plate is close to a flameless state during combustion, and the combustion plate and high-temperature flue gas radiate and convect heating a heating object. The infrared combustion mode has the characteristics of extremely low exhaust emission, high heat efficiency, smaller heat load adjusting range than the atmospheric combustion mode, shorter service life of the combustion-supporting plate than the atmospheric fire cover, and easy ignition difficulty, tempering and other phenomena when special conditions such as impure gas source, pressure change of a pipeline and the like occur.
In combination with the advantages of the two burners, a combined burner is disclosed in the prior art which combines atmospheric combustion and infrared combustion, the burner has the advantages of energy saving, high efficiency and low exhaust gas discharge rate, and also has the advantages of high stability, high fire power and high heat load regulation ratio. The existing combined burner in the market mainly adopts an atmospheric combustion mode and is assisted by a far infrared combustion mode, and the combined burner is limited in energy conservation, exhaust emission and the like.
In addition, no matter the existing atmospheric burner, infrared burner or the combined burner of rich and lean in market, ignition needle and response needle are placed in the central part of combustor fire lid or are placed in the inside and outside ring fire between the position, design like this can not only lead to there is a large amount of heating blind areas on the fire lid upper surface, also makes ignition needle and response needle endure the high temperature heating for a long time, leads to ignition needle and response needle life to reduce.
Disclosure of Invention
The invention mainly solves the technical problem of providing the burner fire cover with high heating area utilization rate.
The invention also mainly solves the technical problem of providing a burner with high combustion efficiency and good energy-saving effect, and simultaneously providing a gas stove using the burner.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
The utility model provides a combustor fire lid comprises at least one first fire lid and at least one second fire lid, first fire lid and second fire lid are atmospheric burner's fire lid and infrared burner's fire lid respectively, first fire lid is installed in the second fire lid with the mode of inlaying.
Further, the first fire cover is a fire cover of an atmospheric burner, and the second fire cover is a fire cover of an infrared burner.
Further, the first fire covers are distributed in the middle of the second fire cover in a one-layer or multi-layer concentric ring shape, and the first fire covers are arranged on each concentric ring.
The other technical scheme of the invention is as follows:
The utility model provides a combustor, includes inner ring fire combustor and outer ring fire combustor, inner ring fire combustor and/or outer ring fire combustor comprise first combustor body and second combustor body, first combustor body and second combustor body are atmospheric burner and infrared burner respectively, first combustor body comprises first gas mixing chamber and one or more first fire lid that set up at first gas mixing chamber top, the second combustor body comprises second gas mixing chamber and one or more second fire lid that set up at second gas mixing chamber top, first fire lid is installed in the second fire lid with the mode of inlaying, or first fire lid is the annular suit is in the inboard or the outside of second fire lid.
Further, the first air mixing cavity and the second air mixing cavity are arranged in an upper layer and a lower layer, the second air mixing cavity is arranged in an upper layer, the first air mixing cavity is arranged in a lower layer, and one or more gas channels upwards extend out of the first air mixing cavity to be connected with one or more first fire covers at the top.
Further, the first burner body is an atmospheric burner, and the second burner body is an infrared burner.
Further, the inner and outer annular flame burners each include a first burner body and a second burner body.
Further, the ignition device also comprises an ignition needle and a sensing needle, wherein a central through hole is formed in the center of the inner ring fire burner, and the ignition needle and the sensing needle are arranged in the central through hole; or an annular channel is arranged between the inner annular fire burner and the outer annular fire burner, and the ignition needle and the induction needle are arranged in the annular channel; or the ignition needle and the induction needle are arranged on the outer side wall of the outer ring fire burner.
Further, the gas amount of the infrared burner is more than 50% of the total gas amount.
The invention has the following technical scheme that:
a gas cooker equipped with a burner as described above.
In summary, the burner fire cover, the burner and the gas stove provided by the invention have the following advantages compared with the prior art:
(1) The burner provided by the invention integrates the advantages of the atmospheric burner and the infrared burner, overcomes the defects of the atmospheric burner, has the advantages of good stability, high firepower and high heat load regulation ratio of the atmospheric burner, and also has the advantages of high heat efficiency and low exhaust emission of the infrared burner.
(2) Compared with the existing similar products, the burner provided by the invention has the advantages that the utilization rate of the heating area of the burner fire cover is higher, the burner fire cover almost has no heating blind area, the infrared combustion area contains atmospheric combustion, the atmospheric combustion area also contains infrared combustion, the two combustion modes are mutually fused, almost all the areas of the fire cover are in combustion heat release, the combustion efficiency is greatly improved, and the fire power is larger, so that the burner is particularly suitable for cooking Chinese food.
Drawings
FIG. 1 is a schematic view of a combustion plate structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a burner configuration according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a second burner configuration according to an embodiment of the present invention;
FIG. 4 is a schematic view of a three-combustion plate structure according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a three burner configuration in accordance with an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a fourth burner configuration of an embodiment of the present invention;
FIG. 7 is a schematic view of a fifth combustion plate structure according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a fifth burner configuration of an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a sixth burner configuration according to an embodiment of the present invention;
FIG. 10 is a schematic view of a seventh combustion plate structure of an embodiment of the present invention;
FIG. 11 is a cross-sectional view of a seventh burner configuration of an embodiment of the present invention;
FIG. 12 is a cross-sectional view of an eight burner configuration according to an embodiment of the invention.
As shown in fig. 1 to 12, an inner ring first burner body 1, an inner ring second burner body 2, an outer ring first burner body 3, an outer ring second burner body 4, an ignition needle 5, a sensing needle 6, a long open flame channel 7, a vent 8, a central through hole 9, and an annular channel 10;
the gas mixing device comprises an inner ring first gas mixing cavity 11, an inner ring first fire cover 12, an inner ring first injection pipe 13 and a gas channel 14;
An inner ring second air mixing chamber 21, an inner ring second fire cover 22 and an inner ring second injection pipe 23;
An outer ring first air mixing cavity 31, an outer ring first fire cover 32, an outer ring first injection pipe 33 and a fuel gas channel 34;
an outer ring second air mixing chamber 41, an outer ring second fire cover 42 and an outer ring second injection pipe 43.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
Embodiment one:
As shown in fig. 1 and 2, the invention provides a burner, which comprises an inner ring fire burner and an outer ring fire burner, wherein at least one of the inner ring fire burner and the outer ring fire burner consists of a first burner body and a second burner body, the first burner body is a partially premixed atmospheric burner, and the second burner body is a fully premixed infrared burner. The inner and outer annular flame burners may also comprise only the first burner body or the second burner body.
In this embodiment, in order to improve the combustion efficiency and achieve better energy saving efficiency, the preferred burner includes four burner bodies, namely, an inner ring first burner body 1, an inner ring second burner body 2, an outer ring first burner body 3, and an outer ring second burner body 4, namely, the inner ring first burner body 1 and the outer ring first burner body 3 are atmospheric type burners, and the inner ring second burner body 2 and the outer ring second burner body 4 are infrared type burners.
The inner ring first burner body 1 consists of an inner ring first air mixing cavity 11 and an inner ring first fire cover 12 arranged at the top of the inner ring first air mixing cavity 11, wherein the inner ring first air mixing cavity 11 is connected with an inner ring first injection pipe 13, and a plurality of fire outlets are arranged on the inner ring first fire cover 12.
The inner ring second burner body 2 is composed of an inner ring second air mixing cavity 21 and an inner ring second fire cover 22 arranged at the top of the inner ring second air mixing cavity 21, and the inner ring second air mixing cavity 21 is connected with an inner ring second injection pipe 23. The inner ring second fire cover 22 is a cordierite honeycomb ceramic infrared combustion plate or a metal honeycomb infrared heating plate. A plurality of fire holes are arranged on the inner ring second fire cover 22.
The outer ring first burner body 3 is composed of an outer ring first air mixing cavity 31 and an outer ring first fire cover 32 arranged on the top of the outer ring first air mixing cavity 31, and the outer ring first air mixing cavity 31 is connected with an outer ring first injection pipe 33. A plurality of fire holes are provided in the outer ring first fire cover 32.
The outer ring second burner body 4 is composed of an outer ring second air mixing cavity 41 and an outer ring second fire cover 42 arranged on the top of the outer ring second air mixing cavity 41, and the outer ring second air mixing cavity 41 is connected with an outer ring second injection pipe 43. The outer ring second fire cover 42 is a cordierite honeycomb ceramic infrared combustion plate or a metal honeycomb infrared heating plate. A plurality of fire holes are provided in the outer ring second fire cover 42.
Wherein, the first fire cover 12 of inner ring and the second fire cover 22 of inner ring form the burner fire cover of inner ring together, the first fire cover 32 of outer ring and the second fire cover 42 of outer ring form the burner fire cover of outer ring together, the burner fire cover of inner ring and the fire hole of burner fire cover of outer ring all set up on the upper surface.
As shown in fig. 1, in the present embodiment, one inner ring second fire cover 22 is provided, four inner ring first fire covers 12 are provided, and four inner ring first fire covers 12 are fitted in the inner ring second fire cover 22 in a mosaic manner. For simplicity of construction, the four inner ring first fire covers 12 are arranged on a concentric circle. The inner ring first fire cover 12 may be provided with one, two or three, etc. according to the actual fire cover area.
As shown in fig. 1, the outer ring second fire cover 42 is also provided with one, the outer ring first fire cover 32 is provided with twelve, and twelve outer ring first fire covers 32 are mounted in the outer ring second fire cover 42 in a mosaic manner. In order to make the structure simple, the twelve outer ring first fire covers 32 are arranged in three layers of concentric circles, each layer is provided with four, or one layer or two layers of concentric circles can be arranged according to the actual fire cover area, and each layer of concentric circles is provided with two, three and five outer ring first fire covers 32.
In this embodiment, the inner ring burner fire cover and the outer ring burner fire cover are of one integral structure, wherein the inner ring second fire cover 22 and the outer ring second fire cover 42 are the same infrared combustion plate. Four inner ring first fire covers 12 and twelve outer ring first fire covers 32 are inlaid in an infrared combustion plate in four layers. The burner fire cover has high heating area utilization rate, no heating blind area, and the atmospheric burner fire cover and the infrared burner fire cover are installed in an inlaid mode, the infrared combustion area comprises atmospheric combustion, the atmospheric combustion area comprises infrared combustion, the two combustion modes are mutually fused, almost all the areas of the burner fire cover are in combustion heat release, the combustion efficiency is greatly improved, and the fire is larger, so that the burner fire cover is particularly suitable for Chinese meal cooking.
In this embodiment, as shown in fig. 2, the mixing chambers of the inner and outer annular flame burners are isolated from each other. The inner ring first air mixing cavity 11 and the inner ring second air mixing cavity 21 in the inner ring fire burner are divided into an upper layer and a lower layer, wherein the inner ring first air mixing cavity 11 is arranged on the lower layer, the inner ring second air mixing cavity 21 is arranged on the upper layer, premixed gas entering from the inner ring second injection pipe 23 directly enters into the inner ring second air mixing cavity 21 on the upper layer, and then is sprayed and combusted from the inner ring second fire cover 22 at the top. The premixed gas entering from the inner ring first injection pipe 13 directly enters the inner ring first gas mixing cavity 11 at the lower layer, the inner ring first gas mixing cavity 11 extends upwards to form four gas channels 14, the four gas channels 14 correspond to the four inner ring first fire covers 12, the premixed gas is sprayed and combusted from the four inner ring first fire covers 12 at the top, and the four gas channels 14 are distributed in the inner ring second gas mixing cavity 21 at the upper layer.
As shown in fig. 2, the outer ring first air mixing cavity 31 and the outer ring second air mixing cavity 41 in the outer ring fire are also divided into an upper layer and a lower layer, wherein the outer ring first air mixing cavity 31 is arranged at the lower layer, the outer ring second air mixing cavity 41 is arranged at the upper layer, the premixed gas entering from the outer ring second injection pipe 43 directly enters the outer ring second air mixing cavity 41 at the upper layer, and then the premixed gas is sprayed from the outer ring second fire cover 42 at the top for combustion. The premixed gas entering from the outer ring first injection pipe 33 directly enters the lower layer outer ring first gas mixing cavity 31, the outer ring first gas mixing cavity 31 extends upwards to form twelve gas channels 34, the twelve gas channels 34 correspond to the twelve outer ring first fire covers 32, the premixed gas is sprayed and combusted from the top twelve outer ring first fire covers 32, and the twelve gas channels 34 are distributed in the upper layer outer ring second gas mixing cavity 41.
In this embodiment, the primary air coefficient a <1 of the premixed gas in the inner ring first burner body 1 is sprayed and burned from the top four inner ring first fire covers 12 to form upward flame, the primary air coefficient a of the premixed gas in the inner ring second burner body 2 is not less than 1, the premixed gas is sprayed and burned from the top inner ring second fire cover 22, and the red flame of the combustion plate is in a micro flame state.
The primary air coefficient a <1 of the premixed gas in the outer ring first burner body 3 is sprayed and combusted from the top twelve outer ring first fire covers 32 to form upward flame, the primary air coefficient a of the premixed gas in the outer ring second burner body 4 is more than or equal to 1, the premixed gas is sprayed and combusted from the top outer ring second fire cover 42, and the red flame of the combustion plate is in a micro flame state.
The burner in this embodiment is a four-ring four-control independent burner, the smallest flame is the combustion of the inner ring first burner body 1 or the combustion of the inner ring second burner body 2, then the inner ring first burner body 1 and the inner ring second burner body 2 of the inner ring are simultaneously combusted, then the combustion of the outer ring first burner body 3 or the combustion of the outer ring second burner body 4 is added, and the combustion of the four burner bodies is simultaneously performed at the maximum fire. The burner can realize random adjustment of independent four-ring flame, and has better use effect.
In this embodiment, the infrared combustion is preferably mainly and atmospheric combustion is auxiliary, wherein the gas amount of the infrared burner is more than 50% of the total gas amount, and the optimal value is preferably 70% -80%, and compared with the same type of atmospheric and infrared mixed combustion burner, the burner has the advantages of more energy saving, high efficiency and higher utilization rate of the burner fire cover.
As shown in fig. 1 and 2, in this embodiment, the ignition needle 5 and the induction needle 6 are disposed on the outer sidewall of the outer ring fire burner, that is, on the outer sidewall of the outer ring second burner body 4, and the ignition needle 5 and the induction needle 6 are not located in the center of the flame, so that long-time high-temperature heating is avoided, and the service lives of the ignition needle 5 and the induction needle 6 are greatly prolonged. And ignition needle 5 and response needle 6 set up on the lateral wall of combustor, can not occupy effectual burning area, further improved combustion efficiency.
In order to ensure the use safety, the burner is generally provided with a long open fire, as shown in fig. 2, an outer ring second air mixing cavity 41 is provided with a long open fire channel 7, and one end of the long open fire channel 7 passes through the outer ring second fire cover 42 upwards after reaching the inner side of the outer side wall of the outer ring second air mixing cavity 41. The other end of the pilot flame channel 7 is communicated with the inner ring first air mixing cavity 11 or the inner ring second air mixing cavity 21, and depending on the setting of the burner, the primary air coefficient a <1 of the premixed gas in the pilot flame channel 7 needs to be ensured, and the combustion is in the pilot flame state. When the minimum fire is atmospheric combustion, the other end of the pilot flame channel 7 is communicated with the inner ring first air mixing cavity 11, and at the moment, the primary air coefficient a of premixed fuel gas for the inner ring infrared combustion is more than or equal to 1, so that the infrared combustion is in an optimal near flameless state. If the minimum fire is infrared combustion, the other end of the long-term open fire channel 7 is communicated with the inner ring second air mixing cavity 21, but at the moment, the primary air coefficient a <1 of premixed fuel gas of the inner ring infrared combustion, the infrared combustion is in a flame state.
Embodiment two:
As shown in fig. 3, the structure of the burner and the burner fire cover in the present embodiment is basically the same as that of the first embodiment, except that the outer ring first air mixing chamber 31 and the outer ring second air mixing chamber 41 are arranged in an upper layer and a lower layer, but the outer ring first air mixing chamber 31 and the outer ring second air mixing chamber 41 are communicated with each other through the air ports 8, and the air ports 8 may be arranged only in one or in a plurality.
The outer ring first air mixing cavity 31 is communicated with the outer ring first injection pipe 33, premixed gas is sprayed and combusted from the outer ring first fire cover 32 at the top through the plurality of gas channels 34, and meanwhile, the premixed gas enters the outer ring second air mixing cavity 41 at the upper layer from the air vent 8 and is sprayed and combusted from the outer ring second fire cover 42 at the top.
Since the outer ring first air mixing chamber 31 and the outer ring second air mixing chamber 41 are communicated with each other, the primary air coefficient a <1 of the premixed gas entering from the outer ring first injection pipe 33, at this time, the outer ring first fire cover 32 and the outer ring second fire cover 42 are both in a flame open fire state.
Embodiment III:
As shown in fig. 4 and 5, the burner and the burner cap of the present embodiment are basically the same as those of the first embodiment except that the center of the inner ring burner has a center through hole 9 penetrating up and down, and the inner ring second burner cap 22 is disposed around the center through hole 9, and the ignition needle 5 and the sensing needle 6 are installed in the center through hole 9. Since the ignition needle 5 and the sensing needle 6 are provided at the center of the burner fire cover, the long open flame path 7 in the first embodiment is not required to be additionally provided.
The burner fire cover of the inner ring fire and the burner fire cover of the outer ring fire in this embodiment are still in an integral structure, wherein the inner ring second fire cover 22 and the outer ring second fire cover 42 are the same infrared combustion plate, and the combustion plate is in an integral annular structure. Four inner ring first fire covers 12 and eight outer ring first fire covers 32 are inlaid in an infrared combustion plate in three layers.
Embodiment four:
As shown in fig. 6, the third embodiment is different in that the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are arranged in upper and lower layers, but the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are communicated with each other through the air ports 8, and only one air port 8 can be arranged, or a plurality of air ports can be arranged.
The outer ring first air mixing cavity 31 is communicated with the outer ring first injection pipe 33, premixed gas is sprayed and combusted from the outer ring first fire cover 32 at the top through the plurality of gas channels 34, and meanwhile, the premixed gas enters the outer ring second air mixing cavity 41 at the upper layer from the air vent 8 and is sprayed and combusted from the outer ring second fire cover 42 at the top.
Since the outer ring first air mixing chamber 31 and the outer ring second air mixing chamber 41 are communicated with each other, the primary air coefficient a <1 of the premixed gas entering from the outer ring first injection pipe 33, at this time, the outer ring first fire cover 32 and the outer ring second fire cover 42 are both in a flame open fire state.
Fifth embodiment:
As shown in fig. 7 and 8, the burner and the burner fire cover in this embodiment are basically the same as those in the first embodiment, except that the inner ring first fire cover 12 has a ring-shaped structure and is sleeved outside the inner ring second fire cover 22. The construction of the outer ring first fire cover 32 and the outer ring second fire cover 42 is substantially the same as in the first embodiment. The ignition needle 5 and the sensing needle 6 are mounted on the outer side wall of the outer ring second fire cover 42. The inner ring second fire cover 22 and the outer ring second fire cover 42 are of a split structure and are two infrared combustion plates.
In this embodiment, the inner ring first air mixing chamber 11 and the inner ring second air mixing chamber 21 are both in a single-layer structure, and the inner ring first air mixing chamber 11 is annular and is arranged at the periphery of the inner ring second air mixing chamber 21. The structure of the outer-ring first air-mixing chamber 31 and the outer-ring second air-mixing chamber 41 is substantially the same as that of the first embodiment. The ignition needle 5 and the sensing needle 6 are arranged in the same manner as in the first embodiment in which the pilot flame path 7 is arranged.
Example six:
As shown in fig. 9, the fifth embodiment is different in that the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are arranged in upper and lower layers, but the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are communicated with each other through the air vent 8.
Embodiment seven:
As shown in fig. 10 and 11, the burner and the burner fire cover in the present embodiment are basically the same as those in the fifth embodiment, except that an annular passage 10 is provided between the inner annular fire burner and the outer annular fire burner, the inner annular first fire cover 12 is in an annular structure, and is fitted over the outer side of the inner annular second fire cover 22, and the annular passage 10 is provided between the inner annular first fire cover 12 and the outer annular second fire cover 42. The construction of the outer ring first fire cover 32 and the outer ring second fire cover 42 is substantially the same as in the first embodiment. The inner ring second fire cover 22 and the outer ring second fire cover 42 are of a split structure and are two infrared combustion plates.
In this embodiment, the fire outlet of the inner ring second fire cover 22 is formed on the upper surface of the inner ring second fire cover 22, and the fire outlet of the inner ring first fire cover 12 may be formed on the upper surface of the inner ring first fire cover 12 or may be formed on the side wall of the inner ring first fire cover 12.
In this embodiment, the inner ring first air mixing chamber 11 and the inner ring second air mixing chamber 21 are both in a single-layer structure, and the inner ring first air mixing chamber 11 is annular and is arranged at the periphery of the inner ring second air mixing chamber 21. The structure of the outer-ring first air-mixing chamber 31 and the outer-ring second air-mixing chamber 41 is substantially the same as that of the first embodiment.
The ignition needle 5 and the sensing needle 6 are mounted in the annular channel 10. Since the ignition needle 5 and the sensing needle 6 are provided at the center of the burner fire cover, the long open flame path 7 in the first embodiment is not required to be additionally provided.
Example eight:
As shown in fig. 12, the seventh difference from the embodiment is that the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are arranged in upper and lower layers, but the outer ring first air-mixing chamber 31 and the outer ring second air-mixing chamber 41 are communicated with each other through the air vent 8.
Example nine:
The embodiment provides a gas stove, which comprises a shell, a panel, a pre-mixing gas valve, a control switch, a fan, a burner and the like, wherein a support frame for supporting a pot body is further arranged on the panel.
As mentioned above, similar technical solutions can be derived from the solution content presented in connection with the figures. However, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294697.1A CN108800124B (en) | 2017-04-28 | 2017-04-28 | Burner fire cover, burner and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294697.1A CN108800124B (en) | 2017-04-28 | 2017-04-28 | Burner fire cover, burner and gas stove |
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| Publication Number | Publication Date |
|---|---|
| CN108800124A CN108800124A (en) | 2018-11-13 |
| CN108800124B true CN108800124B (en) | 2024-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710294697.1A Active CN108800124B (en) | 2017-04-28 | 2017-04-28 | Burner fire cover, burner and gas stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112747316B (en) * | 2019-10-30 | 2024-08-16 | 宁波方太厨具有限公司 | Kitchen range burner |
| CN112432174B (en) * | 2020-11-27 | 2021-11-16 | 华中科技大学 | Burner fire cover, burner and gas stove |
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Also Published As
| Publication number | Publication date |
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| CN108800124A (en) | 2018-11-13 |
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