CN114060810A - Upper air inlet burner - Google Patents
Upper air inlet burner Download PDFInfo
- Publication number
- CN114060810A CN114060810A CN202111367752.8A CN202111367752A CN114060810A CN 114060810 A CN114060810 A CN 114060810A CN 202111367752 A CN202111367752 A CN 202111367752A CN 114060810 A CN114060810 A CN 114060810A
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- Prior art keywords
- fire
- air inlet
- annular groove
- central
- support
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Links
- 238000002347 injection Methods 0.000 claims description 27
- 239000007924 injection Substances 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000741 silica gel Substances 0.000 claims description 17
- 229910002027 silica gel Inorganic materials 0.000 claims description 17
- 239000003063 flame retardant Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 57
- 239000002737 fuel gas Substances 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses an upper air inlet burner, which comprises a base, a support, a central fire distributing cover and an outer ring fire distributing cover, wherein the support is fixedly connected to the base, an outer ring groove, a middle groove and an inner ring groove are sequentially arranged on the support, an outer ring fire gas channel and a central gas channel are arranged at the bottom of the base, two first air inlet nozzles communicated with the outer ring fire gas channel and a second air inlet nozzle communicated with the central gas channel are arranged above the base, a central ejector pipe is arranged at the bottom of the support, one end of the central ejector pipe is communicated with the second air inlet nozzle, the other end of the central ejector pipe is communicated with the middle groove, the outer ring fire distributing cover is spirally connected with the outer ring groove, the central fire distributing cover and the inner ring groove are fixedly inserted through a positioning pin, two gas conveying and adjusting components are arranged in the outer ring groove, and one end of each gas conveying and adjusting component is a fixed opening, the other end is an adjustable opening. The invention can realize the adjustment of the size of the fuel gas outlet.
Description
Technical Field
The invention relates to the technical field of burners, in particular to an upper air inlet burner.
Background
At present, most of the existing household gas burners are atmospheric burners, also called partially premixed burners. The working principle is as follows: the gas flows out from the nozzle at a certain flow rate under a certain pressure, enters the injection pipe, and attracts a certain amount of surrounding air under the injection action of the energy of the gas, wherein the air is called primary air. The primary air and the fuel gas are mixed in the injection pipe and the mixing cavity of the burner and then flow out through the fire holes to be combusted. Air is drawn from the surrounding of the flame to support combustion during the combustion process, and the air is called secondary air.
However, the existing burner has the following problems that 1, the opening size of a gas outlet in the existing gas annular groove cannot be adjusted, and when the gas enters a fire cover from the gas outlet, the gas outlet is fixed and unchanged, so that the gas outlet speed is low; 2. the fire cover and the bracket of the existing burner are generally directly placed, and the fire cover and the bracket are easy to separate when being taken, so that the fire cover is damaged by knocking, and the improvement is needed.
Disclosure of Invention
The invention aims to provide an upper air inlet burner, which aims to solve the problems that a fire cover is easy to separate from a support and the size of an air outlet in an annular groove is not adjustable in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an upper air inlet burner, includes base, support, central fire branch fire lid and outer ring fire branch fire lid, support fixed connection is on the base, has set gradually outer ring channel, middle groove and inlayer ring channel from the outer fringe to the center on the support, is provided with outer ring fire gas passageway and central gas passageway in the bottom of base, is provided with two first air intakes with outer ring fire gas passageway intercommunication and the second air intake with central gas passageway intercommunication in the top of base, is provided with a center in the bottom of support and draws the filler pipe, the center draws the one end and the second air intake intercommunication of filler pipe, the center draws the other end and the middle groove intercommunication of filler pipe, its characterized in that: the outer ring fire distributing cover is spirally connected with the outer layer annular groove, the central fire distributing cover is fixedly connected with the inner layer annular groove in an inserting mode through a positioning pin, two gas conveying adjusting assemblies are arranged in the outer layer annular groove, one end of each gas conveying adjusting assembly is a fixed opening, and the other end of each gas conveying adjusting assembly is an adjustable opening.
Furthermore, each fuel gas conveying and adjusting component comprises a first injection pipe arranged on the bracket, one port of the first injection pipe is connected with the first air inlet nozzle, the other port of the first injection pipe is arranged in the outer annular groove, the two first injection pipes are respectively and symmetrically arranged at the two sides of the bottom of the outer annular groove by taking the inner annular groove as the center, the first injection pipe comprises an upper half channel and a lower half channel which are combined with each other to form a fuel gas conveying channel, the lower half channel is arranged at the bottom of the bracket, the upper opening of the lower half channel and the bracket are integrally formed, two symmetrical positioning columns are arranged in the outer-layer annular groove, one upper side channel is hinged to each positioning column through a rotating shaft with a torsion spring, and the other end of each upper side channel is in threaded connection with the outer-layer annular groove through a screw.
Furthermore, first positioning holes are formed in two sides of the inner-layer annular groove, a positioning ring extending downwards is arranged on the central fire distribution cover, the positioning ring is inserted into the inner-layer annular groove, second positioning holes are formed in two sides of the positioning ring, the first positioning holes and the second positioning holes are arranged in an aligned mode, the positioning pins are inserted into the first positioning holes and the second positioning holes, the positioning pins extend out of the second positioning holes, and the positioning pins extend out of the second positioning holes.
In order to gather wind firstly and avoid wind diffusion, then mix the wind with fuel gas after uniform dispersion, thereby improving the combustion effect of the fuel gas, a gap exists between the base and the bracket to form a first air inlet, more than one second air inlet is distributed in the middle groove according to circular motion, the second air inlets are communicated with the first air inlet, and an inclined plane is arranged in the air outlet area of each second air inlet.
Furthermore, the second air inlet is of a fan-shaped structure.
Furthermore, the resistance when the gas is fed is reduced, the gas can be more smoothly fed, the outer ring fire gas channel is of a straight-through structure, and more than one positioning rod is annularly arranged at the bottom of the base.
Furthermore, abrasion is avoided during installation, and a silica gel anti-slip pad is arranged at the bottom of the positioning rod.
Further, the height can be properly adjusted according to installation requirements, the bottom is guaranteed to be always in a horizontal state, an internal thread portion is arranged at the bottom of each locating rod, an adjusting rod is connected to the internal thread portion through threads, and an external thread portion connected with the internal thread portion through threads is arranged above the adjusting rod.
Furthermore, a fireproof damping layer is coated outside the positioning pin.
Further, be provided with fire-retardant silica gel pad between half passageway and half passageway down, the up end of fire-retardant silica gel pad with the lower terminal surface of half passageway offset, the lower terminal surface rain of fire-retardant silica gel pad the up end of half passageway offset down.
Compared with the prior art, the invention has the following beneficial effects: 1. the size of a gas outlet in the annular groove is adjustable; 2. adopt a spiral mode and another to install through the mode of locating pin location between fire lid and the support, avoid the problem that the fire lid breaks away from to take place.
Drawings
Fig. 1 is a schematic overall structure diagram of an upper air inlet burner disclosed in embodiment 1;
fig. 2 is an exploded schematic view of an upper air inlet burner disclosed in this embodiment 1;
fig. 3 is a schematic view of the upper surface structure of the base disclosed in this embodiment 1;
fig. 4 is a schematic bottom structure diagram of the base disclosed in this embodiment 1;
fig. 5 is a schematic bottom structure diagram of the support disclosed in this embodiment 1;
fig. 6 is a schematic view of the upper surface structure of the support disclosed in this embodiment 1;
FIG. 7 is an enlarged view taken at A of FIG. 6;
FIG. 8 is a simplified schematic view of the combination of the upper half channel, the lower half channel and the stent in example 1;
fig. 9 is a schematic structural diagram of the base disclosed in this embodiment 2;
fig. 10 is a schematic structural view of the base and the adjusting lever separated from each other according to the present embodiment 3;
fig. 11 is a schematic bottom structure diagram of the base disclosed in this embodiment 3;
FIG. 12 is a schematic sectional view of a positioning pin according to example 4;
fig. 13 is a simplified schematic diagram of the combination of the upper half channel, the lower half channel and the stent in this embodiment 5.
In the figure: the fire-retardant fire-separating device comprises a base 1, a support 2, a central fire-separating cover 3, an outer fire-separating cover 4, an outer annular groove 5, a middle groove 6, an inner annular groove 7, an outer fire gas channel 8, a central gas channel 9, a first gas inlet nozzle 10, a second gas inlet nozzle 11, a central injection pipe 12, a first injection pipe 13, an upper half channel 14, a lower half channel 15, a positioning column 16, a rotating shaft 17, a fire-retardant silica gel pad 18, a first positioning hole 19, a second positioning hole 20, a positioning pin 21, a first air inlet 22, a second air inlet 23, an inclined plane 24, a positioning rod 25, a silica gel non-slip pad 26, an inner threaded part 27, an adjusting rod 28, an outer threaded part 29, a positioning ring 30 and a fire-proof damping layer 31.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1 to 8, the upper intake burner disclosed in this embodiment includes a base 1, a support 2, a central fire distributing cover 3 and an outer fire distributing cover 4, wherein the support 2 is fixedly connected to the base 1, an outer annular groove 5, an intermediate groove 6 and an inner annular groove 7 are sequentially disposed on the support 2 from an outer edge to a center, an outer fire gas channel 8 and a central gas channel 9 are disposed at the bottom of the base 1, two first intake nozzles 10 communicated with the outer fire gas channel 8 and a second intake nozzle 11 communicated with the central gas channel 9 are disposed above the base 1, a central injection pipe 12 is disposed at the bottom of the support 2, one end of the central injection pipe 12 is communicated with the second intake nozzle 11, the other end of the central injection pipe 12 is communicated with the intermediate groove 6, the fire distributing cover 4 is spirally connected with the outer annular groove 5, the central fire distributing cover 3 and the inner annular groove 7 are fixedly connected through a positioning pin 21 in an inserting mode, two gas conveying adjusting assemblies are arranged in the outer annular groove 5, one end of each gas conveying adjusting assembly is a fixed opening, and the other end of each gas conveying adjusting assembly is an adjustable opening.
Furthermore, each fuel gas conveying and adjusting component comprises a first injection pipe 13 arranged on the bracket 2, one port of the first injection pipe 13 is connected with the first air inlet nozzle 10, the other port of the first injection pipe 13 is arranged in the outer annular groove 5, the two first injection pipes 13 are respectively and symmetrically arranged at two sides of the bottom of the outer annular groove 5 by taking the inner annular groove 7 as the center, the first injection pipe 13 comprises an upper half passage 14 and a lower half passage 15 which are mutually combined to form a fuel gas conveying passage, the lower half channel 15 is arranged at the bottom of the bracket 2, the upper opening of the lower half channel 15 and the bracket 2 are integrally formed, two symmetrical positioning columns 16 are arranged in the outer layer annular groove 5, each positioning column 16 is hinged with one upper side channel 14 through a rotating shaft 17 with a torsion spring, the other end of the upper half passage 14 is in threaded connection with the outer layer annular groove 5 through a screw 15.
Furthermore, first positioning holes 19 are formed in two sides of the inner-layer annular groove 7, a positioning ring 30 extending downwards is arranged on the central fire distributing cover 3, the positioning ring 30 is inserted into the inner-layer annular groove 7, second positioning holes 20 are formed in two sides of the positioning ring 30, the first positioning holes 19 are aligned with the second positioning holes 20, the positioning pins 21 are inserted into the first positioning holes 19 and the second positioning holes 20, the positioning pins 21 partially extend out of the second positioning holes 20, and the positioning pins partially extend out of the second positioning holes.
The structure has the following technical effects: 1. the structural design changes the existing fixed gas outlet on the outer annular groove 5 into the outlet with adjustable size, the complete first injection pipe 13 is arranged into an upper half passage 14 and a lower half passage 15 which are combined up and down, the lower half passage 15 and the bracket 2 are integrally formed, then one end of the upper half passage 14 is rotatably connected in the outer annular groove 5 of the bracket 2 through a rotating shaft 17 with a torsional spring, the other end is fixed on the bracket 2 through a screw, and in order to ensure that the gas flows into the outer annular groove 5 from a gas stove, the gas is complete, therefore, one end of the lower half passage 15 communicated with the first gas inlet nozzle 10 is of a complete cylindrical structure, the other end of the lower half passage 15 is of a notch form at the upper half part and can be matched with the upper half passage 14 to form a form with adjustable opening, when the opening size needs to be adjusted, the nut is unscrewed, then, under the action of the torsion spring, the size of a gas outlet (namely an opening on the left side of the figure 8) arranged in the annular groove 5 on the outer layer is changed, so that the adjustable mode of the gas outlet is realized; 2. adopt a spiral mode and another to install through the mode of locating pin location between fire lid and the support, avoid the problem that the fire lid breaks away from to take place.
In order to gather wind firstly and avoid wind diffusion, then mix the wind with fuel gas after uniform dispersion, so as to improve the combustion effect of the fuel gas, a gap exists between the base 1 and the bracket 2 to form a first air inlet 22, more than one second air inlet 23 is distributed in the middle groove 6 according to the circumferential motion, the second air inlets 23 are communicated with the first air inlet 22, an inclined plane 24 is arranged in the air outlet area of each second air inlet 23, the structure arranges a plurality of second air inlets 23, and the inclined plane is arranged in the air outlet area of each second air inlet 23, so that when the wind enters the second air inlets 23 from the first air inlet, the wind is gathered by using the small caliber of the horn-shaped air inlets to avoid wind diffusion because the inclined planes 24 on the side walls of the second air inlets 23 form a horn-shaped air inlet with small lower opening and large upper opening, then mix with the gas after utilizing the macrostoma of tubaeform air intake top to carry out the homodisperse, finally guarantee that wind is difficult to the diffusion, and finally can carry out intensive mixing with the gas to this combustion effect that improves the gas.
Further, the second air inlet 23 is a fan-shaped structure.
Furthermore, the resistance when reducing the gas of advancing, guarantee that the gas gets into more smoothly, outer ring fire gas passageway 8 be through-type structure, this structure will directly set up outer ring fire gas passageway 8 into through-type structure in addition, guarantees when leading to the gas, reduces the flow resistance for the gas flows more smoothly.
Further, at least one positioning rod 25 is annularly provided at the bottom of the base 1.
Further, the later period is convenient to disassemble, and the positioning pin 21 partially extends out of the second positioning hole 20.
Example 2:
referring to fig. 9, in the upper air inlet burner disclosed in this embodiment, further, abrasion during installation is avoided, a silica gel anti-slip pad 26 is disposed at the bottom of the positioning rod 25, and the silica gel anti-slip pad 26 is disposed at the bottom of the positioning rod 25, so that abrasion of the surface of the gas stove when the burner is placed in the gas stove is avoided.
Example 3:
referring to fig. 10 to 11, in the upper air inlet burner disclosed in this embodiment, further, it is achieved that the height can be properly adjusted according to the installation requirement, and the bottom is always in a horizontal state, an internal thread portion 27 is provided at the bottom of each positioning rod 25, an adjusting rod 28 is connected to the internal thread portion 27 through a thread, an external thread portion 29 connected to the internal thread portion 27 through a thread is provided above the adjusting rod 28, the height of the whole burner can be adjusted through the above-mentioned structural arrangement, and when the gas stove at home is uneven, the whole burner can be kept flat when being placed in the gas stove by adjusting one of the adjusting rods 28.
Example 4:
referring to fig. 12, in the upper intake burner disclosed in this embodiment, a fireproof damping layer 31 is coated outside the positioning pin 21, and the surface of the positioning pin 21 is prevented from rusting due to high temperature by the fireproof damping layer 31.
Example 5:
referring to fig. 13, in the upper intake burner disclosed in this embodiment, further, a flame-retardant silica gel pad 18 is disposed between the upper half channel 14 and the lower half channel 15, an upper end surface of the flame-retardant silica gel pad 18 abuts against a lower end surface of the upper half channel 14, a lower end surface of the flame-retardant silica gel pad 18 abuts against an upper end surface of the lower half channel 15, and the structure is configured such that the flame-retardant silica gel pad 18 is disposed between the upper half channel 14 and the lower half channel 15, and a thickness and a shape of the flame-retardant silica gel pad 18 are set according to a distance between the upper half channel 14 and the lower half channel 15, so that the fuel gas can only flow through the left side of fig. 13 to the right side opening and then enter the outer annular groove 5.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An upper air inlet burner comprises a base (1), a support (2), a central fire distribution cover (3) and an outer annular fire distribution cover (4), wherein the support (2) is fixedly connected to the base (1), an outer annular groove (5), a middle groove (6) and an inner annular groove (7) are sequentially arranged on the support (2) from the outer edge to the center, an outer annular fire gas channel (8) and a central gas channel (9) are arranged at the bottom of the base (1), two first air inlet nozzles (10) communicated with the outer annular fire gas channel (8) and a second air inlet nozzle (11) communicated with the central gas channel (9) are arranged above the base (1), a central injection pipe (12) is arranged at the bottom of the support (2), one end of the central injection pipe (12) is communicated with the second air inlet nozzle (11), and the other end of the central injection pipe (12) is communicated with the middle groove (6), the method is characterized in that: the outer ring fire distributing cover (4) is in threaded connection with the outer layer annular groove (5), the central fire distributing cover (3) and the inner layer annular groove (7) are fixedly connected in an inserting mode through a positioning pin (21), two gas conveying adjusting assemblies are arranged in the outer layer annular groove (5), one end of each gas conveying adjusting assembly is a fixed opening, and the other end of each gas conveying adjusting assembly is an adjustable opening.
2. An upper intake burner as claimed in claim 1, wherein: each gas conveying and adjusting assembly comprises a first injection pipe (13) arranged on the support (2), one end port of the first injection pipe (13) is connected with a first air inlet nozzle (10), the other end port of the first injection pipe (13) is arranged in an outer annular groove (5), two first injection pipes (13) are symmetrically arranged at two sides of the bottom of the outer annular groove (5) by taking an inner annular groove (7) as a center, the first injection pipes (13) comprise an upper half passage (14) and a lower half passage (15) which are mutually combined to form a gas conveying passage, the lower half passage (15) is arranged at the bottom of the support (2), an upper opening of the lower half passage (15) is integrally formed with the support (2), two symmetrical positioning columns (16) are arranged in the outer annular groove (5), and a rotating shaft (17) with a torsion spring is hinged to each positioning column (16) 14) The other end of the upper half-side channel (14) is in threaded connection with the outer layer annular groove (5) through a screw (15).
3. An upper intake air burner according to claim 1 or 2, wherein: be provided with first locating hole (19) in the both sides of inlayer ring channel (7), be provided with holding ring (30) that extend downwards on central fire branch fire lid (3), in holding ring (30) insert inlayer ring channel (7), all be provided with one second locating hole (20) in holding ring (30) both sides, first locating hole (19) and second locating hole (20) align to set up, and it has connect in first locating hole (19) and second locating hole (20) interpolation locating pin (21), locating pin (21) part stretches out the second locating hole (20) outside.
4. An upper intake burner as claimed in claim 3, wherein: a gap exists between the base (1) and the support (2) to form a first air inlet (22), more than one second air inlet (23) is distributed in the middle groove (6) according to the circumferential motion, the second air inlets (23) are communicated with the first air inlet (22), and an inclined plane (24) is arranged in the air outlet area of each second air inlet (23).
5. An upper intake burner as claimed in claim 4, wherein: the second air inlet (23) is of a fan-shaped structure.
6. An upper intake burner as claimed in claim 1, wherein: the outer ring fire gas channel (8) is of a straight-through structure, and more than one positioning rod (25) is annularly arranged at the bottom of the base (1).
7. An upper intake burner as claimed in claim 6, wherein: the bottom of locating lever (25) is provided with silica gel slipmat (26).
8. An upper intake burner as claimed in claim 6, wherein: an internal thread part (27) is arranged at the bottom of each positioning rod (25), an adjusting rod (28) is connected with the internal thread part (27) in a threaded manner, and an external thread part (29) connected with the internal thread part (27) in a threaded manner is arranged above the adjusting rod (28).
9. An upper intake burner as claimed in claim 8, wherein: the positioning pin (21) is coated with a fireproof damping layer (31).
10. An upper intake burner as claimed in claim 2, wherein: be provided with fire-retardant silica gel pad (18) between half passageway (14) and half passageway (15) down, the up end of fire-retardant silica gel pad (18) with the lower terminal surface of half passageway (14) offset, the lower terminal surface rain of fire-retardant silica gel pad (18) the up end of half passageway (15) offset.
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CN202111367752.8A CN114060810B (en) | 2021-11-18 | 2021-11-18 | Upper air inlet combustor |
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CN202111367752.8A CN114060810B (en) | 2021-11-18 | 2021-11-18 | Upper air inlet combustor |
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CN114060810A true CN114060810A (en) | 2022-02-18 |
CN114060810B CN114060810B (en) | 2024-02-02 |
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CN111059532A (en) * | 2019-12-20 | 2020-04-24 | 中山市和美电器燃具有限公司 | Upper air inlet three-ring fire stove burner |
CN211372402U (en) * | 2019-06-25 | 2020-08-28 | 宁波方太厨具有限公司 | Burner for gas stove |
CN113091057A (en) * | 2021-05-17 | 2021-07-09 | 火星人厨具股份有限公司 | Burner with air door adjusted at mixed gas outlet and action method thereof |
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2021
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CN2123007U (en) * | 1992-03-31 | 1992-11-25 | 单丹 | Gas burner with calibre adjustable nozzle |
EP2295857A2 (en) * | 2009-08-07 | 2011-03-16 | Dome Holding GmbH | Mixing head with axially adjustable nozzle |
CN206669742U (en) * | 2017-03-07 | 2017-11-24 | 宁波风腾燃具有限公司 | A kind of burner throttle adjusting means |
CN209042368U (en) * | 2018-09-11 | 2019-06-28 | 包卫刚 | A kind of burner |
CN211372402U (en) * | 2019-06-25 | 2020-08-28 | 宁波方太厨具有限公司 | Burner for gas stove |
CN111059532A (en) * | 2019-12-20 | 2020-04-24 | 中山市和美电器燃具有限公司 | Upper air inlet three-ring fire stove burner |
CN113091057A (en) * | 2021-05-17 | 2021-07-09 | 火星人厨具股份有限公司 | Burner with air door adjusted at mixed gas outlet and action method thereof |
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