CN112747316A - Stove burner - Google Patents

Stove burner Download PDF

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Publication number
CN112747316A
CN112747316A CN201911043169.4A CN201911043169A CN112747316A CN 112747316 A CN112747316 A CN 112747316A CN 201911043169 A CN201911043169 A CN 201911043169A CN 112747316 A CN112747316 A CN 112747316A
Authority
CN
China
Prior art keywords
fire cover
ring fire
gas
burner
outer ring
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201911043169.4A
Other languages
Chinese (zh)
Inventor
张里华
蔡国汉
朱志新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware 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 Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN201911043169.4A priority Critical patent/CN112747316A/en
Publication of CN112747316A publication Critical patent/CN112747316A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • F23D14/58Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/84Flame spreading or otherwise shaping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING 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
    • F23L9/00Passages or apertures for delivering secondary air for completing combustion of fuel 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/08Arrangement or mounting of burners
    • F24C3/085Arrangement or mounting of burners on ranges

Abstract

The invention discloses a stove burner which comprises a base, a fire cover group, a gas mixing chamber and a plurality of injection pipes, wherein the top and the bottom of the gas mixing chamber are respectively connected with the fire cover group and the base and form three gas cavities; the fire cover group comprises an inner ring fire cover, a middle ring fire cover and an outer ring fire cover which are sequentially arranged from inside to outside, and the inner ring fire cover is an atmosphere burnerThe fire hole strength is 6 to 6.5W/mm in a burning mode2(ii) a The outer ring fire cover adopts an infrared combustion mode, and the fire hole strength is 0.3-0.8W/mm2(ii) a The middle ring fire cover adopts a semi-atmospheric and semi-infrared combustion mode, and the fire hole strength is 2.5 to 3W/mm2. The stove burner provided by the invention has the advantages that the flame radiation energy of the burner is greatly increased by arranging the fire cover structures with different three-ring combustion modes, the defect of uneven temperature of the stove in the traditional single combustion mode is overcome, the heat efficiency of the burner is improved, and the heat loss is reduced.

Description

Stove burner
Technical Field
The invention relates to a stove burner.
Background
At present, the household stove burners on the market are mainly atmospheric stoves or infrared stoves, and a small amount of stoves with combustion modes between the atmospheric stoves and the infrared stoves. In general, the flame temperature of an atmospheric cooker can reach 700 to 800 ℃, and an infrared cooker can burn gas and air in gaps of ceramic or metal wire mesh materials in the infrared cooker through convection and radiation of hot flue gas, and then heat a porous material to a red state, so that the temperature is high and can reach 800 to 900 ℃.
However, in the single burner type cookers, the radiation energy in the flame band is relatively concentrated in a small range, so that the temperature uniformity in the use process cannot be realized, and the heating efficiency is difficult to improve, regardless of the atmospheric type cookers or the infrared cookers.
Disclosure of Invention
The invention aims to overcome the defects that the temperature of a stove adopting a single burner mode is not uniform and the heating efficiency is difficult to improve in the prior art, and provides a stove burner.
The invention solves the technical problems through the following technical scheme:
a stove burner is characterized by comprising a base, a fire cover group, a gas mixing chamber and a plurality of injection pipes, wherein the top and the bottom of the gas mixing chamber are respectively connected with the fire cover group and the base and form three gas cavities;
the fire cover group comprises an inner ring fire cover and a middle ring fire cover which are sequentially arranged from inside to outside along the radial direction of the cooker burnerAnd the outer ring fire cover, the combustion mode of the inner ring fire cover is atmospheric combustion, and the fire hole strength of the inner ring fire cover is 6-6.5W/mm2(ii) a The outer ring fire cover is burnt in an infrared way, and the strength of fire holes of the outer ring fire cover is 0.3-0.8W/mm2(ii) a The middle ring fire cover is burnt in a semi-atmospheric semi-infrared mode, and the fire hole strength is 2.5-3W/mm2
This cooking utensils combustor is through setting into outer loop, zhonghuan, inner ring tricyclic structure with the fire lid to set different combustion methods respectively with outer loop, zhonghuan, inner ring fire lid, make it combine the respective advantage of three kinds of combustion methods, make the flame of cooking utensils combustor more even, the radiant energy that flame produced also obtains promoting by a wide margin, and, every can independently be controlled to the three ring fire lid, maneuverability and suitability are stronger.
Preferably, the fire hole strength of the outer ring fire cover is 0.5W/mm2
Preferably, the flame spectrum of the stove burner is 78% to 82% of radiation energy in two wave bands of 2.6 to 3.1 microns and 4.1 to 4.7 microns;
preferably, the cooktop burner has a flame spectrum with 80% of radiant energy in two bands of 2.6 to 3.1 microns and 4.1 to 4.7 microns.
Preferably, the gas radiation of the outer ring fire cover accounts for 20%, and the solid radiation accounts for 80%; the gas radiation and the solid radiation of the middle fire cover respectively account for 50 percent.
Compared with the conventional single-function combustion mode cooker, the flame spectrum characteristics of the cooker combustor on the whole are approximately distributed in the whole wave band from ultraviolet to infrared, so that the problem of uneven temperature distribution of the cooker combustor can be solved, the heat loss is effectively reduced, and the heat efficiency of the combustor is greatly improved.
Preferably, the upper surface of the middle ring fire cover is higher than the upper surface of the inner ring fire cover, and the upper surface of the outer ring fire cover is higher than the upper surface of the middle ring fire cover. The three fire cover structures jointly form a shape with an inwards concave surface, so that the energy gathering effect is achieved, the heat loss is reduced, and the heat efficiency is improved.
Preferably, the upper surfaces of the inner ring fire cover, the middle ring fire cover and the outer ring fire cover are all provided with honeycomb dense cluster net sheets. The honeycomb dense net piece can make the temperature distribution on the surface of the fire cover more uniform, and the fire holes are not easy to be blocked when the combustion temperature is higher.
Preferably, the upper surfaces of the middle ring fire cover and the outer ring fire cover are provided with pressure stabilizing plates, and the surfaces of the pressure stabilizing plates are provided with a plurality of holes with different sizes. The holes can be used for adjusting the pressure distribution of the fuel gas in the fire cover and improving the problems of different flame lengths and uneven combustion on the surface of the fire cover.
Preferably, the gas mixing chamber is further provided with a gas through hole and a kidney-shaped hole, the gas through hole is located in the gas mixing chamber and used for conveying gas from the inside of the fire cover group below the base, the kidney-shaped hole extends inwards from the outer side surface of the gas mixing chamber along the radial direction of the gas mixing chamber, and the kidney-shaped hole is communicated to an area between two adjacent fire covers;
preferably, a part of the kidney-shaped holes are communicated to the area between the inner ring fire cover and the middle ring fire cover, and the rest part of the kidney-shaped holes are communicated to the area between the middle ring fire cover and the outer ring fire cover. The waist-shaped hole is communicated with the area between two adjacent fire covers and is used for transmitting outside air into the fire covers to play a role of supplying secondary air into the fire covers. And one part of the kidney-shaped holes are communicated with the area between the inner ring and the middle ring fire cover, and the other part of the kidney-shaped holes are communicated with the area between the middle ring and the outer ring, so that the inner ring fire cover and the outer ring fire cover can be prevented from being interfered with each other, and the effect of low smoke is achieved.
Preferably, a plurality of fire transmission grooves are formed between the inner ring fire cover and the middle ring fire cover and between the middle ring fire cover and the outer ring fire cover, the fire transmission grooves are uniformly arranged along the circumferential direction of the stove burner, and the inner ring fire cover and the middle ring fire cover and the outer ring fire cover are communicated with each other through the fire transmission grooves. The arrangement of the fire transfer groove can realize the fast fire transfer speed between the fire covers.
Preferably, the gas cavity communicated with the outer ring fire cover is an outer gas cavity, the gas cavity communicated with the middle ring fire cover is a middle gas cavity, and the gas cavity communicated with the inner ring fire cover is an inner gas cavity;
preferably, five injection pipes are connected below the base, all the injection pipes are communicated with the gas cavity, one injection pipe is communicated with the internal gas cavity, and two injection pipes are communicated with the middle gas cavity and the external gas cavity respectively. The arrangement mode of the injection pipes meets the primary air injection capacity of the injection pipes, improves the injection coefficient and solves the problem of insufficient primary air in an infrared combustion mode.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the stove burner provided by the invention is provided with the inner, middle and outer three-ring fire cover structure combination, each ring fire cover is set into different combustion modes, and each ring fire cover is independently controlled, so that the flame radiation energy of the stove burner is greatly increased, the defect of uneven temperature of a traditional single combustion mode stove is overcome, the heat efficiency of the burner is improved, and the heat loss is reduced.
Drawings
Fig. 1 is a schematic structural view of a cooktop burner of the present invention.
Fig. 2 is an exploded schematic view of the cooktop burner of the present invention.
Description of reference numerals:
base 1
Fire lid group 2
Inner ring fire cover 21
Middle ring fire cover 22
Outer ring fire cover 23
Gas mixing chamber 3
Ejector tube 4
Honeycomb net piece 5 for cocooning
Pressure stabilizing plate 6
Fire transfer trough 7
Gas through hole 10
Waist-shaped hole 20
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 and 2, the invention provides a stove burner, which comprises a base 1, a fire cover group 2, a gas mixing chamber 3 and a plurality of injection pipes 4, wherein the fire cover group 2 is fixedly connected above the base 1, the top and the bottom of the gas mixing chamber 3 are respectively connected with the fire cover group 2 and the base 1 and form three gas cavities, and the plurality of injection pipes 4 are connected below the base 1 and are respectively communicated with the three gas cavities.
The fire cover group 2 comprises an inner ring fire cover 21, a middle ring fire cover 22 and an outer ring fire cover 23, and the outer ring fire cover 23, the middle ring fire cover 22 and the inner ring fire cover 21 are sequentially arranged from outside to inside along the radial direction of the stove burner. Correspondingly, the three gas cavities in the gas mixing chamber 3 are mutually independent and not communicated with each other, and the three gas cavities are respectively communicated with the three fire covers, wherein the gas cavity communicated with the outer ring fire cover 23 is an outer gas cavity, the gas cavity communicated with the middle ring fire cover 22 is a middle gas cavity, and the gas cavity communicated with the inner ring fire cover 21 is an inner gas cavity. The three gas cavities are arranged in sequence from outside to inside along the radial direction of the base 1 in the stove burner corresponding to the arrangement direction of the annular fire covers.
Wherein, the combustion mode of the inner ring fire cover 21 is atmospheric combustion, and the fire hole intensity is 6 to 6.5W/mm2(ii) a The outer ring fire cover 23 adopts an infrared combustion mode, and the fire hole strength is 0.3 to 0.8W/mm2Preferably, it is set to 0.5W/mm2(ii) a The middle fire cover 22 adopts a combustion mode between atmospheric combustion and infrared combustion, is semi-atmospheric and semi-infrared combustion, and has fire hole strength of 2.5-3W/mm2. The combustion mode of fire lid obtains through adjusting the fire hole intensity of fire lid.
Experiments show that the wavelength emitted by flame of the existing commercial stoves, whether atmospheric stoves or infrared stoves, concentrates most of radiation energy on a wave band of 2.5-10 microns, and has stronger emission peaks in two wave bands of 2.6-3.1 microns and 4.1-4.7 microns, wherein the emission peaks are generated by stimulated emission of water vapor and carbon dioxide of combustion products. Meanwhile, solid emission is superposed on the whole wave bands of the two combustion modes, and different wavelength distributions are caused by the temperature difference of the cooking ranges of the two cookers, so that the full-wave-band flame spectrum distribution cannot be realized, and the effects of uniform temperature and high heating efficiency are achieved.
By comparing with the conventional cooker with a single-function burner mode, the flame spectrum of the cooker burner can reach 78-82%, preferably 80% of radiation energy in two wave bands of 2.6-3.1 microns and 4.1-4.7 microns, namely the convection of the corresponding gas emission wavelength obtains heat, and the radiation energy in the other wave bands accounts for 20%, namely the corresponding wavelength energy of solid emission; the gas radiation of the outer ring fire cover 23 accounts for 20 percent, and the solid radiation accounts for 80 percent; the middle fire cover 22 makes the calculated radiation ratio of gas and solid about 50% by changing the fire hole intensity and the combustion state, so that the overall flame spectrum characteristics of the cooker burner are approximately distributed in the ultraviolet to infrared full wave band, the uneven temperature distribution is improved, and the combustion efficiency is improved. The stove burner adopts the modes of inner ring convection heat exchange and outer ring radiation heat exchange, thereby effectively reducing the heat loss and greatly improving the heat efficiency of the burner. In the three-ring structure of the fire lid group 2 of the present invention, the load ratio of the inner fire lid 21 is 20%, the load ratio of the outer fire lid 23 is 40%, and the load ratio of the middle fire lid 22 is 40%.
The upper surface of the middle fire cover 22 is higher than that of the inner fire cover 21, and the upper surface of the outer fire cover 23 is higher than that of the middle fire cover 22. Preferably, the height of the middle fire cover 22 is 2 to 5mm higher than that of the inner fire cover 21, the height of the outer fire cover 23 is 2 to 3mm higher than that of the middle fire cover 22, and the three fire cover structures form a shape with an inwards concave surface together, so that the energy gathering effect is achieved, the heat loss is reduced, and the efficiency is improved.
The fire holes of the fire cover group 2 of the stove burner are all arranged in a honeycomb dense cluster net 5, and the net is arranged on the upper surface of the fire cover and matched with the overall shape of the fire cover. The inner ring fire cover 21 can adopt a copper fire cover, and fire holes are arranged on the side surface of the inner ring fire cover, the arrangement mode is more excellent for supplying secondary air, and the size requirement of the furnace end can be reduced. The outer ring fire cover 23 uses a honeycomb alloy mesh, the mesh thickness is adjustable, the honeycomb alloy mesh has good processability and high economical efficiency, and infrared detonation can be prevented. Alternatively, the outer fire cover 23 may be made of a honeycomb ceramic plate, which is inexpensive and high in cost performance. The three-ring fire cover adopts a burner mode of honeycomb close-clustered net sheets 5, so that the temperature distribution is more uniform, and fire holes are not easy to block when the temperature is high.
Further, the middle ring fire cover 22 and the outer ring fire cover 23 are both provided with a pressure stabilizing plate 6, and the pressure stabilizing plate 6 is arranged on the upper surface of the fire cover and is positioned below the honeycomb dense-clustering net 5. The surface of voltage regulator board 6 is provided with a plurality of trompil not of uniform size, and the trompil is the shape of outwards gradually opening by the inside of voltage regulator board 6. The opening groups with different sizes are combined into one opening group, and the sizes of the openings in each opening group are arranged from small to large. The pressure stabilizing plate 6 has a plurality of the opening groups arranged on the surface thereof, and the opening groups are uniformly arranged on the surface of the pressure stabilizing plate 6.
The gradual change of the opening diameter of the surface of the pressure stabilizing plate 6 can be used for adjusting the pressure distribution of fuel gas in the fire cover, and the problems of different flame lengths and uneven combustion are solved.
And still be provided with gas through-hole 10 and waist type hole 20 on the base 1 of this cooking utensils combustor, gas through-hole 10 is located gas mixing chamber 3 inside for carry the gas in the cooking utensils combustor from the below of base 1, waist type hole 20 sets up the lateral surface at base 1, and extend inwards along gas mixing chamber 3's radial direction from gas mixing chamber 3's lateral surface, communicate to the region between the two adjacent fire covers, be used for conveying outside air to the fire covers in, then play the effect of supplying with secondary air in to the fire covers. The gas through holes 10 are correspondingly arranged between the gas mixing chambers 3 so as to be correspondingly communicated with different fire covers. A part of the kidney-shaped holes 20 are communicated with the area between the inner ring fire cover 21 and the middle ring fire cover 22, and the other part of the kidney-shaped holes 20 are communicated with the area between the middle ring fire cover 22 and the outer ring fire cover 23, so that the inner ring fire cover 21 and the outer ring fire cover 23 are not interfered with each other, and the effect of low smoke is realized. In this embodiment, the number of the waist-shaped holes 20 is four, and the waist-shaped holes are uniformly distributed along the side surface of the gas mixing chamber 3 and are arranged between the two gas through holes 10 at intervals.
Because the outer ring fire cover 23 is in an infrared combustion mode, secondary air is not needed, so that secondary air supply of the inner ring fire cover 21 can be changed into a downward air inlet mode, the volume of the cavity of the air mixing chamber 3 for infrared combustion of the outer ring fire cover 23 is enlarged, air inlet resistance of the air mixing chamber 3 is reduced, primary air coefficient required by infrared combustion is improved, and meanwhile, the air mixing is uniform. The inner ring, the middle ring and the outer ring are independently controlled, and can be adaptively adjusted according to the use condition so as to improve the temperature distribution of the cooker burner.
In addition, a plurality of fire transmission grooves 7 are formed between the inner ring fire cover 21 and the middle ring fire cover 22, and between the middle ring fire cover 22 and the outer ring fire cover 23, so that a fast fire transmission speed is achieved, the fire transmission grooves 7 are uniformly arranged along the circumferential direction of the cooker burner, and the inner ring fire cover 21 and the middle ring fire cover 22, and the middle ring fire cover 22 are communicated with each other fast through the fire transmission grooves 7, so that the maximization of the fire transmission speed is achieved. Preferably, the number of the fire transfer chutes 7 in the present embodiment is 4.
The lower part of a base 1 of the stove burner is connected with a plurality of injection pipes 4 which are all communicated with a gas cavity. In this embodiment, set up totally five and draw and penetrate pipe 4, wherein, be connected with one with interior gas cavity and draw and penetrate pipe 4, well gas cavity and outer gas cavity are connected with two respectively and draw and penetrate pipe 4, draw and penetrate pipe 4 cooperation base 1 side kidney type hole 20, make the gas of mixing the intracavity even with the air mass flow. In addition, the arrangement mode of the injection pipe 4 also meets the primary air injection capacity of the injection pipe 4, the injection coefficient is improved, and the problem of insufficient primary air in an infrared combustion mode is solved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (10)

1. A stove burner is characterized by comprising a base, a fire cover group, a gas mixing chamber and a plurality of injection pipes, wherein the top and the bottom of the gas mixing chamber are respectively connected with the fire cover group and the base and form three gas cavities;
the fire cover group comprises an inner ring fire cover, a middle ring fire cover and an outer ring fire cover which are sequentially arranged from inside to outside along the radial direction of the cooker burner, the inner ring fire cover is burnt by atmosphere, and the fire hole strength of the inner ring fire cover is 6-6.5W/mm2(ii) a The outer ring fire cover is burnt in an infrared way, and the strength of fire holes of the outer ring fire cover is 0.3-0.8W/mm2(ii) a The middle ring fire cover is burnt in a semi-atmospheric semi-infrared mode, and the fire hole strength is 2.5-3W/mm2
2. The cooktop burner of claim 1, wherein the outer ring fire cap has a fire hole strength of 0.5W/mm2
3. The cooktop burner of claim 1, having a flame spectrum with 78% to 82% of radiant energy in two bands of 2.6 to 3.1 microns and 4.1 to 4.7 microns;
preferably, the cooktop burner has a flame spectrum with 80% of radiant energy in two bands of 2.6 to 3.1 microns and 4.1 to 4.7 microns.
4. The cooktop burner of claim 1, wherein the outer ring fire cap has a gas emission of 20% and a solids emission of 80%; the gas radiation and the solid radiation of the middle fire cover respectively account for 50 percent.
5. The cooktop burner of claim 1, wherein an upper surface of the middle ring fire cover is higher than an upper surface of the inner ring fire cover, and an upper surface of the outer ring fire cover is higher than an upper surface of the middle ring fire cover.
6. The cooking utensils burner of claim 1 wherein the upper surface of the inner ring fire cover, the middle ring fire cover and the outer ring fire cover are all provided with honeycomb dense cluster net sheets.
7. The cooking utensils burner of claim 1 wherein the upper surface of the middle ring fire cover and the outer ring fire cover are provided with pressure stabilizing plates, the surface of which is provided with a plurality of holes with different sizes.
8. The cooking utensils burner of claim 1, characterized in that the gas mixing chamber is further provided with a gas through hole and a kidney-shaped hole, the gas through hole is located in the gas mixing chamber and used for conveying gas from the fire cover group below the base, the kidney-shaped hole extends inwards from the outer side surface of the gas mixing chamber along the radial direction of the gas mixing chamber, and the kidney-shaped hole is communicated to the area between two adjacent fire covers;
preferably, a part of the kidney-shaped holes are communicated to the area between the inner ring fire cover and the middle ring fire cover, and the rest part of the kidney-shaped holes are communicated to the area between the middle ring fire cover and the outer ring fire cover.
9. The cooking utensils burner of claim 1, characterized in that a plurality of fire transmission grooves are arranged between the inner ring fire cover and the middle ring fire cover, and between the middle ring fire cover and the outer ring fire cover, the fire transmission grooves are evenly arranged along the circumferential direction of the cooking utensils burner, and the inner ring fire cover and the middle ring fire cover, and the middle ring fire cover and the outer ring fire cover are communicated with each other through the fire transmission grooves.
10. The cooking utensils burner of claim 1, characterized in that the gas cavity communicated with the outer ring fire cover is an outer gas cavity, the gas cavity communicated with the middle ring fire cover is a middle gas cavity, and the gas cavity communicated with the inner ring fire cover is an inner gas cavity;
preferably, five injection pipes are connected below the base, all the injection pipes are communicated with the gas cavity, one injection pipe is communicated with the internal gas cavity, and two injection pipes are communicated with the middle gas cavity and the external gas cavity respectively.
CN201911043169.4A 2019-10-30 2019-10-30 Stove burner Pending CN112747316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911043169.4A CN112747316A (en) 2019-10-30 2019-10-30 Stove burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911043169.4A CN112747316A (en) 2019-10-30 2019-10-30 Stove burner

Publications (1)

Publication Number Publication Date
CN112747316A true CN112747316A (en) 2021-05-04

Family

ID=75640527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911043169.4A Pending CN112747316A (en) 2019-10-30 2019-10-30 Stove burner

Country Status (1)

Country Link
CN (1) CN112747316A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234185A (en) * 2021-12-24 2022-03-25 浙江板川电器有限公司 Combustion cavity structure and gas stove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234185A (en) * 2021-12-24 2022-03-25 浙江板川电器有限公司 Combustion cavity structure and gas stove
CN114234185B (en) * 2021-12-24 2023-12-29 浙江板川电器有限公司 Combustion cavity structure and gas stove

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