CN116164281A - Improved upper air inlet burner - Google Patents

Improved upper air inlet burner Download PDF

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Publication number
CN116164281A
CN116164281A CN202310235039.0A CN202310235039A CN116164281A CN 116164281 A CN116164281 A CN 116164281A CN 202310235039 A CN202310235039 A CN 202310235039A CN 116164281 A CN116164281 A CN 116164281A
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CN
China
Prior art keywords
air inlet
ring
injection pipe
outer ring
inner ring
Prior art date
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Pending
Application number
CN202310235039.0A
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Chinese (zh)
Inventor
郑文章
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 Fengteng Gas Appliance Co ltd
Original Assignee
Ningbo Fengteng Gas Appliance Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Fengteng Gas Appliance Co ltd filed Critical Ningbo Fengteng Gas Appliance Co ltd
Priority to CN202310235039.0A priority Critical patent/CN116164281A/en
Publication of CN116164281A publication Critical patent/CN116164281A/en
Pending legal-status Critical Current

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00—Blast-producing apparatus before the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/02—Stoves or ranges for gaseous fuels with heat produced solely by flame
    • F24C3/027—Ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices

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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

The invention relates to an improved upper air inlet combustor which comprises a base and a bracket, wherein an outer ring air inlet nozzle, an inner ring air inlet nozzle and an intermediate ring air inlet nozzle are arranged on the base, an outer ring injection pipe, an inner ring injection pipe and an intermediate ring injection pipe are arranged at the bottom of the bracket, an outer ring annular air inlet groove, an intermediate ring annular air inlet groove and an inner ring annular air inlet groove are arranged on the bracket, an inner ring air inlet groove is formed between the intermediate ring annular air inlet groove and the inner ring annular air inlet groove, an intermediate ring air inlet channel is formed between the intermediate ring annular air inlet groove and the outer ring annular air inlet groove, an inner ring air inlet hole is formed in the inner ring air inlet groove, and an intermediate ring air inlet channel is formed in the side surface of the intermediate ring annular air inlet groove, so that fuel gas is fully mixed with air in the inner ring air inlet groove and the intermediate ring air inlet groove when fuel gas enters the inner ring annular air inlet groove and the intermediate ring annular air inlet groove for combustion, and the combustion effect cannot be influenced mutually.

Description

Improved upper air inlet burner
Technical Field
The invention relates to the technical field of stoves, in particular to an improved upper air inlet combustor.
Background
Currently, most household gas burners are atmospheric burners, also known as partially premixed burners. The working principle is as follows: under a certain pressure, the fuel gas flows out of the nozzle at a certain flow rate and enters the injection pipe, and a certain amount of air around the fuel gas is sucked by means of the injection effect of the energy of the fuel gas, and the air is called primary air. Primary air and fuel gas are mixed in a mixing cavity of the injection pipe and the burner and then flow out through a fire hole for combustion. Air is drawn from around the flame during combustion to assist in the combustion process, this portion of air being referred to as "secondary air".
At present, an atmospheric upper air inlet burner comprises a base and a support, wherein the base is arranged inside a cooking bench, the support is arranged on the base, and when the burner is used, the mixing speed of fuel gas and air is slower, and the mixing is insufficient, so that the performance of the burner and the corresponding burning effect are influenced, the sealing effect of the burner is poor, the fuel gas is easy to leak, in addition, the heat generated by burning can be transmitted to the base through the support, and the base is easy to break in a long-time high-temperature environment, so that the service life of the burner is influenced.
Disclosure of Invention
The invention aims to provide an improved upper air inlet burner, which is characterized in that an inner annular air inlet hole is formed in the bottom of an inner annular air inlet groove respectively, and an intermediate annular air inlet channel is formed in the side face of the intermediate annular air inlet groove, so that when fuel gas enters the inner annular air inlet groove and the intermediate annular air inlet groove for combustion, the inner annular air inlet hole and the intermediate annular air inlet channel can continuously supply and boost air for the inner annular air inlet groove and the intermediate annular air inlet groove respectively, the fuel gas and the air are fully mixed, the combustion efficiency is high, and air required during combustion cannot be mutually robbed, so that the fuel gas does not interfere with each other in any combustion state of the inner annular air inlet groove and the outer annular air inlet groove, and the maximum performance of the burner is fully embodied.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides an air inlet combustor on improvement, including the base and set up the support on the base, be provided with outer loop air inlet nozzle on the base, inner ring air inlet nozzle and middle ring air inlet nozzle, the support bottom is equipped with outer loop air inlet nozzle complex outer loop ejector tube, with inner ring air inlet nozzle complex inner ring ejector tube and with middle ring air inlet nozzle complex middle ring ejector tube, outer loop annular air inlet tank has been set gradually from the outer fringe to the middle ring on the support, middle ring annular air inlet tank and inner ring annular air inlet tank, outer loop annular air inlet tank passes through outer loop ejector tube and outer loop air inlet nozzle intercommunication, inner ring annular air inlet tank passes through inner ring ejector tube and middle ring air inlet nozzle intercommunication, middle ring annular air inlet tank has seted up the inner ring air inlet tank between middle ring annular air inlet tank and the inner ring annular air inlet tank, middle ring air inlet tank has been seted up between middle ring annular air inlet tank and the outer ring annular air inlet tank, the support outer fringe is equipped with the middle ring air inlet channel with middle ring air inlet tank intercommunication, inner ring air inlet hole has been seted up in the inner ring air inlet tank.
Further preferably, the inner annular air inlet groove and the middle annular air inlet groove are respectively provided with a middle annular air raised line.
Further preferably, the outer ring air inlet nozzle comprises a first outer ring air inlet nozzle and a second outer ring air inlet nozzle, the outer ring injection pipe comprises a first outer ring injection pipe matched with the first outer ring air inlet nozzle and a second outer ring injection pipe matched with the second outer ring air inlet nozzle, the first outer ring air inlet nozzle and the second outer ring air inlet nozzle are diagonally opposite and are arranged at the upper end of the base, and the first outer ring injection pipe and the second outer ring injection pipe are diagonally opposite and are arranged at the lower end of the support.
Further preferably, a first diversion inclined plane matched with the first outer ring injection pipe and a second diversion inclined plane matched with the second outer ring injection pipe are arranged in the outer ring annular air inlet groove.
Further preferably, the outer ring air inlet groove is provided with an outer ring cover plate positioned above the first outer ring injection pipe and the second outer ring injection pipe, and the outer ring cover plate is matched with the first outer ring injection pipe and the second outer ring injection pipe to seal the upper ends of the first outer ring injection pipe and the second outer ring injection pipe.
Further preferably, the bottom end of the base is provided with a first air inlet pipe and a second air inlet pipe, the first outer ring air inlet nozzle and the second outer ring air inlet nozzle are communicated with two ends of the first air inlet pipe, the middle ring air inlet nozzle is communicated with the middle part of the first air inlet pipe, the side wall of the first air inlet pipe is provided with a first air inlet, the inner ring air inlet nozzle is communicated with the second air inlet pipe, and the side wall of the second air inlet pipe is provided with a second air inlet.
Further preferably, an intermediate ring diversion inclined plane matched with the intermediate ring injection pipe is arranged in the intermediate ring air inlet groove, an intermediate ring cover plate positioned above the intermediate ring injection pipe is arranged on the intermediate ring air inlet groove, and the intermediate ring cover plate is matched with the intermediate ring injection pipe to seal the upper end of the intermediate ring injection pipe.
Further preferably, an inner ring diversion cambered surface matched with the inner ring injection pipe is arranged in the inner ring annular air inlet groove, an inner ring cover plate positioned above the inner ring injection pipe is arranged on the inner ring annular air inlet groove, and the inner ring cover plate is matched with the inner ring injection pipe to seal the upper end of the inner ring injection pipe.
Further preferably, a gas buffer groove is formed between the inner ring guide cambered surface and the inner ring annular air inlet groove.
Further preferably, the base is provided with an ignition needle mounting seat and a thermocouple mounting seat, the ignition needle mounting seat is internally provided with an ignition needle, the thermocouple mounting seat is internally provided with a thermocouple, and the bracket is provided with a first mounting groove matched with the installation ignition needle mounting seat and a second mounting groove matched with the installation thermocouple mounting seat.
The invention has the beneficial effects that: when the burner is used, fuel gas is sprayed out through the outer ring air inlet nozzle, the inner ring air inlet nozzle and the middle ring air inlet nozzle, the fuel gas sprayed out by the outer ring air inlet nozzle enters the outer ring annular air inlet groove through the outer ring injection pipe, the fuel gas is mixed with air to be combusted, the fuel gas sprayed out by the inner ring air inlet nozzle enters the inner ring annular air inlet groove through the inner ring annular injection pipe, the fuel gas is continuously supplied with pressurized air through the inner ring air inlet groove when entering the inner ring annular air inlet groove through the inner ring annular injection pipe, so that partial air can be fully mixed with the fuel gas through the through holes, the inner ring air inlet hole can continuously supply and pressurized air, the fuel gas is fully mixed with the air through the middle ring air inlet groove and the outside, and the fuel gas can continuously supply and pressurized air when entering the inner ring annular air inlet groove through the through holes, the inner ring annular air inlet groove and the middle ring air inlet groove, the fuel gas can continuously supply and the pressurized air, and the fuel gas can fully mix with the inner ring air through the through holes, and the inner ring air inlet groove, the inner ring air inlet groove and the inner ring air inlet groove can not fully combust, and the inner ring air inlet groove cannot fully combust due to the fact that the inner ring annular air inlet groove and the outer ring air inlet groove are fully combusted, and the inner ring air inlet groove is fully combusted is not combusted because the inner ring air and the inner ring air inlet groove is fully combusted and the air channel is fully combusted.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the front structure of the bracket of the present invention.
FIG. 3 is a schematic view of the structure of the reverse side of the bracket of the present invention.
Fig. 4 is a schematic view of the front surface of the base of the present invention.
FIG. 5 is a schematic view of the structure of the back of the base of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-5, an improved upper air intake burner comprises a base 1 and a bracket 2 arranged on the base 1, wherein an outer ring air inlet nozzle, an inner ring air inlet nozzle 3 and an intermediate ring air inlet nozzle 4 are arranged on the base 1, an outer ring injection pipe matched with the outer ring air inlet nozzle, an inner ring injection pipe 5 matched with the inner ring air inlet nozzle 3 and an intermediate ring injection pipe 6 matched with the intermediate ring air inlet nozzle 4 are arranged at the bottom of the bracket 2, an outer ring annular air inlet groove 7, an intermediate ring annular air inlet groove 8 and an inner ring annular air inlet groove 9 are sequentially arranged on the bracket 2 from the outer edge to the intermediate ring, the outer ring annular air inlet groove 7 is communicated with the outer ring air inlet nozzle through the outer ring injection pipe, the inner ring annular air inlet groove 9 is communicated with the inner ring air inlet nozzle 3 through the inner ring injection pipe 5, an inner ring air inlet groove 10 is arranged between the intermediate ring annular air inlet groove 8 and the inner ring annular air inlet groove 9, an intermediate ring air inlet groove 11 is arranged between the intermediate ring annular air inlet groove 8 and the outer ring annular air inlet groove 7, an intermediate ring air inlet channel 12 communicated with the intermediate ring air inlet groove 11 is arranged at the outer edge of the bracket 2, and an inner ring air inlet hole 13 is formed in the inner ring air inlet groove 10.
The gas is sprayed out from the outer ring air inlet nozzle, the inner ring air inlet nozzle 3 and the middle ring air inlet nozzle 4, the gas sprayed out from the outer ring air inlet nozzle enters the outer ring air inlet groove 7 through the outer ring injection pipe, the gas is mixed with air for combustion, the gas sprayed out from the inner ring air inlet nozzle 3 enters the inner ring air inlet groove 9 through the inner ring injection pipe, the gas is communicated with the outside through the inner ring air inlet hole 13 in the inner ring air inlet groove 10, when the gas enters the inner ring air inlet groove 9 through the inner ring injection pipe, the negative pressure generated by the gas flowing can attract part of air to enter the inner ring air inlet groove 9 through the through holes for mixing with the gas, the inner ring air inlet hole 13 can continuously provide and boost air, so that the gas in the inner ring is fully mixed with the air, and meanwhile, the middle ring air inlet channel 12 communicated with the outside through the middle ring air inlet groove 11, when gas is introduced into the middle annular air inlet groove 8 through the middle annular injection pipe, negative pressure generated by gas flowing can attract part of air to enter the middle annular air inlet groove 8 through the through hole to be mixed with the gas, the middle annular air inlet channel 12 can continuously provide and boost air, so that the middle annular gas and the air are fully mixed, the combustion effect of the inner ring, the middle ring and the outer ring is good, the combustion efficiency is high, and the outer annular air inlet groove 7, the inner annular air inlet groove 9 and the middle annular air inlet groove 8 are mutually separated, and the air inflow is sufficient, so that air required by respective combustion cannot be mutually robbed, and air shortage in the outer annular air inlet groove 7 cannot be caused, so that the gas cannot be interfered with each other in any combustion state of the inner annular air inlet groove 9, the middle annular air inlet groove 8 and the outer annular air inlet groove 7, and the maximum performance of the burner is fully reflected.
In this embodiment, all be equipped with well ring air sand grip 15 in interior ring air inlet tank 10 and the well ring air inlet tank 8, well ring air sand grip 15 can be according to the reasonable even setting of actual need many, and well ring air sand grip 15 can play the effect of strengthening rib on the one hand, and another convenience can make the air produce undulant when the air current is in well ring air inlet tank 11, more is favorable to gas and air to mix, improves combustion efficiency.
In this embodiment, the outer ring air intake mouth includes first outer ring air intake mouth 16 and second outer ring air intake mouth 17, outer ring injection pipe includes with first outer ring injection pipe 18 of first outer ring air intake mouth 16 complex and with second outer ring air intake mouth 17 complex second outer ring injection pipe 19, first outer ring air intake mouth 16 and second outer ring air intake mouth 17 are the opposite setting in the base 1 upper end of diagonal, first outer ring injection pipe 18 and second outer ring injection pipe 19 are the opposite setting in support 2 lower extreme in the diagonal, the base 1 bottom is equipped with first intake pipe 23 and second intake pipe 24, first outer ring air intake mouth 16 and second outer ring air intake mouth 17 communicate in the both ends of first intake pipe 23, medium ring air intake mouth 4 communicates in the middle part of first intake pipe 23, first intake pipe 23 lateral wall is equipped with first air inlet 25, inner ring air intake mouth 3 and second intake pipe 24 intercommunication, the second intake pipe 24 lateral wall is equipped with second air inlet 26, gas in the first intake pipe 23 is the opposite setting in the diagonal, first outer ring air intake mouth 16 and second outer ring air intake mouth 17 are the opposite setting in the support 2 lower extreme, the base 1 bottom is equipped with first intake pipe 23 and second intake pipe 24 respectively, first outer ring air intake mouth 16 and second outer ring air intake mouth 17 are all spouted out through first outer ring air intake mouth 17 and second outer ring air intake mouth 17, the air intake mouth is more convenient for the inner ring air intake mouth 17, the inner ring air intake mouth is provided with the inner ring air intake mouth and the inner ring air intake mouth 3, and the second outer ring air intake mouth is more conveniently, the air intake mouth is made the outer ring air intake mouth is more convenient to spout.
In the embodiment, the middle ring air inlet nozzle 4 is also communicated with the first air inlet pipe 23, the first air inlet pipe 23 supplies air to the first outer ring air inlet nozzle 16 and the second outer ring air inlet nozzle 17 and simultaneously supplies air to the middle ring air inlet nozzle 4, and then the middle ring air inlet nozzle 4 sprays fuel gas into the middle ring air inlet groove 8, and the middle ring air inlet nozzle 4 is arranged to ensure that the fuel gas inflow in the middle ring air inlet groove 8 is sufficient; the inner ring air inlet nozzle 3 is communicated with the second air inlet pipe 24, the second air inlet pipe 24 supplies air to the inner ring air inlet nozzle 3, then the inner ring air inlet nozzle 3 sprays fuel gas into the inner ring air inlet groove 9, and the inner ring air inlet nozzle 3 is arranged, so that the air inflow of the fuel gas in the middle ring air inlet groove 8 is sufficient.
In the embodiment, a first diversion inclined plane 20 matched with a first outer ring injection pipe 18 and a second diversion inclined plane 21 matched with a second outer ring injection pipe 19 are arranged in an outer ring air inlet groove 7, an outer ring cover plate 22 positioned above the first outer ring injection pipe 18 and the second outer ring injection pipe 19 is arranged on the outer ring air inlet groove 7, the outer ring cover plate 22 is matched with the first outer ring injection pipe 18 and the second outer ring injection pipe 19 to seal the upper ends of the first outer ring injection pipe 18 and the second outer ring injection pipe 19, the first diversion inclined plane 20 and the second diversion inclined plane 21 reduce the impact force of fuel gas when entering the outer ring air inlet groove 7, ensure the flow velocity when the fuel gas enters the outer ring air inlet groove 7, ensure uniform mixing of the fuel gas and air, an intermediate ring diversion inclined plane 27 matched with the intermediate ring injection pipe 6 is arranged in the intermediate ring air inlet groove 8, the middle ring-shaped air inlet groove 8 is provided with a middle ring cover plate 28 positioned above the middle ring injection pipe 6, the middle ring cover plate 28 is matched with the middle ring injection pipe 6 to seal the upper end of the middle ring injection pipe 6, the middle ring diversion inclined surface 27 reduces the impact force of the fuel gas when entering the middle ring-shaped air inlet groove 8, the flow rate of the fuel gas when entering the middle ring-shaped air inlet groove 8 is ensured, the fuel gas and the air are uniformly mixed, the inner ring-shaped air inlet groove 9 is internally provided with an inner ring diversion cambered surface 29 matched with the inner ring injection pipe 5, the inner ring-shaped air inlet groove 9 is internally provided with an inner ring cover plate 30 positioned above the inner ring injection pipe 5, the inner ring cover plate 30 is matched with the inner ring injection pipe 5 to seal the upper end of the inner ring injection pipe 5, the inner ring diversion cambered surface 29 reduces the impact force of the fuel gas when entering the inner ring-shaped air inlet groove 9, the flow rate of the fuel gas when entering the inner ring-shaped air inlet groove 9 is ensured, the fuel gas and the air are uniformly mixed, and in addition, the outer ring cover plate 22, the middle ring cover plate 28 and the inner ring cover plate 30 are arranged separately, so that the gas is further ensured not to interfere with each other in any combustion state of the inner ring-shaped air inlet groove 9, the middle ring-shaped air inlet groove 8 and the outer ring-shaped air inlet groove 7.
In this embodiment, a gas buffer groove 31 is formed between the inner annular air inlet groove 9 and the inner annular diversion cambered surface 29, and the gas buffer groove 31 can temporarily stay in the inner annular air inlet groove 9, so that fuel gas and air can be further mixed, and the combustion efficiency of the inner annular air inlet groove 9 is improved.
In this embodiment, be provided with ignition needle mount pad 32 and thermocouple mount pad 33 on the base, be used for setting up ignition needle 34 in the ignition needle mount pad 32, be used for setting up thermocouple 35 in the thermocouple mount pad 33, set up on the support 2 with installation ignition needle mount pad 32 complex first mounting groove and with installation thermocouple mount pad 33 complex second mounting groove, first mounting groove and second mounting groove are convenient for ignition needle 34 and thermocouple 35 can play the locate function when support 2 and base 1 are installed.
The present disclosure should not be construed as limiting the invention to any particular embodiment or application within its scope as contemplated by the present disclosure.

Claims (10)

1. An improvement type upper air inlet combustor which is characterized in that: including base (1) and support (2) of setting on base (1), be provided with outer loop air inlet nozzle, inner loop air inlet nozzle (3) and well ring air inlet nozzle (4) on base (1), support (2) bottom be equipped with outer loop air inlet nozzle complex outer loop injection pipe, with inner loop air inlet nozzle (3) complex inner loop injection pipe (5) and with well ring air inlet nozzle (4) complex well ring injection pipe (6), set gradually outer loop annular air inlet groove (7), well ring air inlet groove (8) and well ring annular air inlet groove (9) from the outer fringe to well ring on support (2), its characterized in that: the outer ring annular air inlet groove (7) is communicated with the outer ring air inlet nozzle through the outer ring injection pipe, the inner ring annular air inlet groove (9) is communicated with the inner ring air inlet nozzle (3) through the inner ring injection pipe (5), the middle ring annular air inlet groove (8) is communicated with the middle ring air inlet nozzle (4) through the middle ring injection pipe (6), an inner ring air inlet groove (10) is formed between the middle ring annular air inlet groove (8) and the inner ring annular air inlet groove (9), an middle ring air inlet groove (11) is formed between the middle ring annular air inlet groove (8) and the outer ring annular air inlet groove (7), an inner ring air inlet hole (13) is formed in the inner ring air inlet groove (10), and an inner ring air inlet channel (12) is formed in the outer edge of the support (2).
2. An improved upper air intake burner as claimed in claim 1, wherein: middle ring air raised strips (15) are arranged in the inner ring air inlet groove (10) and the middle ring air inlet groove (8).
3. An improved upper air intake burner as claimed in claim 2, wherein: the outer ring air inlet nozzle comprises a first outer ring air inlet nozzle (16) and a second outer ring air inlet nozzle (17), the outer ring injection pipe comprises a first outer ring injection pipe (18) matched with the first outer ring air inlet nozzle (16) and a second outer ring injection pipe (19) matched with the second outer ring air inlet nozzle (17), the first outer ring air inlet nozzle (16) and the second outer ring air inlet nozzle (17) are arranged at the upper end of the base (1) in a diagonally opposite mode, and the first outer ring injection pipe (18) and the second outer ring injection pipe (19) are arranged at the lower end of the support (2) in a diagonally opposite mode.
4. An improved upper air intake burner as claimed in claim 3, wherein: a first diversion inclined plane (20) matched with the first outer ring injection pipe (18) and a second diversion inclined plane (21) matched with the second outer ring injection pipe (19) are arranged in the outer ring annular air inlet groove (7).
5. The improved upper air intake burner of claim 4, wherein: an outer ring cover plate (22) positioned above the first outer ring injection pipe (18) and the second outer ring injection pipe (19) is arranged on the outer ring-shaped air inlet groove (7), and the outer ring cover plate (22) is matched with the first outer ring injection pipe (18) and the second outer ring injection pipe (19) to seal the upper ends of the first outer ring injection pipe (18) and the second outer ring injection pipe (19).
6. An improved upper air intake burner as claimed in claim 2, wherein: the base (1) bottom is equipped with first intake pipe (23) and second intake pipe (24), and first outer ring air inlet nozzle (16) and second outer ring air inlet nozzle (17) communicate with each other in the both ends of first intake pipe (23), and well air inlet nozzle (4) communicate with each other in the middle part of first intake pipe (23), and first intake pipe (23) lateral wall is equipped with first air inlet (25), and inner ring air inlet nozzle (3) communicate with second intake pipe (24), and second intake pipe (24) lateral wall is equipped with second air inlet (26).
7. An improved upper air intake burner as claimed in claim 2, wherein: the middle ring-shaped air inlet groove (8) is internally provided with a middle ring diversion inclined plane (27) matched with the middle ring injection pipe (6), the middle ring-shaped air inlet groove (8) is provided with a middle ring cover plate (28) positioned above the middle ring injection pipe (6), and the middle ring cover plate (28) is matched with the middle ring injection pipe (6) to seal the upper end of the middle ring injection pipe (6).
8. An improved upper air intake burner as claimed in claim 2, wherein: an inner ring diversion cambered surface (29) matched with the inner ring injection pipe (5) is arranged in the inner ring annular air inlet groove (9), an inner ring cover plate (30) positioned above the inner ring injection pipe (5) is arranged on the inner ring annular air inlet groove (9), and the inner ring cover plate (30) is matched with the inner ring injection pipe (5) to seal the upper end of the inner ring injection pipe (5).
9. The improved upper air intake burner of claim 8, wherein: a gas buffer groove (31) is formed between the inner ring guide cambered surface (29) and the inner ring annular air inlet groove (9).
10. An improved upper air intake burner as claimed in claim 1, wherein: the base (1) is provided with an ignition needle mounting seat (32) and a thermocouple mounting seat (33), an ignition needle (34) is arranged in the ignition needle mounting seat (32), a thermocouple (35) is arranged in the thermocouple mounting seat (33), and the bracket (2) is provided with a first mounting groove matched with the installation ignition needle mounting seat (32) and a second mounting groove matched with the installation thermocouple mounting seat (33).
CN202310235039.0A 2023-03-13 2023-03-13 Improved upper air inlet burner Pending CN116164281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310235039.0A CN116164281A (en) 2023-03-13 2023-03-13 Improved upper air inlet burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310235039.0A CN116164281A (en) 2023-03-13 2023-03-13 Improved upper air inlet burner

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Publication Number Publication Date
CN116164281A true CN116164281A (en) 2023-05-26

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Application Number Title Priority Date Filing Date
CN202310235039.0A Pending CN116164281A (en) 2023-03-13 2023-03-13 Improved upper air inlet burner

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CN218379397U (en) * 2022-08-25 2023-01-24 广东合胜厨电科技有限公司 Three-ring fire burner with independent channels

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