CN109990272B - Burner - Google Patents
Burner Download PDFInfo
- Publication number
- CN109990272B CN109990272B CN201711480324.XA CN201711480324A CN109990272B CN 109990272 B CN109990272 B CN 109990272B CN 201711480324 A CN201711480324 A CN 201711480324A CN 109990272 B CN109990272 B CN 109990272B
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- Prior art keywords
- burner
- fire cover
- ring
- gas
- secondary air
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract 2
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 124
- 230000000694 effects Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000171022 Peltophorum pterocarpum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
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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 the technical field of gas stoves, in particular to a combustor, which comprises a stove head, a fire cover seat, an inner ring fire cover, an intermediate ring fire cover, an outer ring fire cover, an ignition needle and a flameout protection thermocouple, wherein the fire cover seat is provided with an inner ring, an intermediate ring and an outer ring gas tank corresponding to each fire cover respectively, and a secondary air channel which is partially communicated is arranged between adjacent gas tanks, so that the combustion of three rings of fires is full; the bottom of the fire cover seat is connected with a furnace end, and the peripheral diameter of the furnace end is not larger than the diameter of the middle fire cover. The burner provided by the invention has a compact burner structure and a reasonable secondary air circulation structure, ensures sufficient combustion and is convenient for disassembly and cleaning of the burner.
Description
Technical Field
The invention relates to the technical field of gas stoves, in particular to a combustor.
Background
As consumer demand for gas range functionality increases, corresponding improvements to existing integrated range burner configurations are needed.
The burner head portion functions to deliver the mixture from the injector to the inner and outer fire covers and ultimately out of the fire holes and burn in the atmosphere. The structural parameters and shape design of the burner portion will have a very important impact on the combustion performance of the burner.
Most of the burners on the market today are in the form of a two-ring fire, such burners generally having two injector channels and two inner and outer fire covers. The three-ring burner is provided with three independent ejectors and three inner, middle and outer partial fire covers. Therefore, three circles of flames can be independently regulated, the regulating range is wide, and the cooking requirements of relevant clients can be met.
In general, the three-ring burner has larger overall dimension due to the influence of the structural form, thus leading to the rise of material and production cost and lower thermal efficiency. In terms of combustion performance, a series of problems such as insufficient combustion and yellow flame are caused by improper fire hole size parameters, unreasonable heat load distribution of each ring, and insufficient secondary air obtained by middle-ring and inner-ring fires.
In view of this, the present invention has been made.
Disclosure of Invention
The invention aims to provide a burner, which adopts reasonable secondary air channel design and compact burner structure design, so that the burner can achieve full combustion and is convenient to detach and clean.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The burner comprises a burner head 5, a burner cover seat 1, an inner ring burner cover 61, an intermediate ring burner cover 62, an outer ring burner cover 63, an ignition needle 7 and a flameout protection thermocouple 8, wherein the burner cover seat 1 is provided with inner rings, intermediate ring and outer ring fuel gas grooves corresponding to the burner covers respectively, and a secondary air channel 3 which is partially communicated is arranged between the adjacent fuel gas grooves 2, so that the combustion of the three rings of fires is sufficient; the bottom of the fire cover seat 1 is connected with a furnace end 5, and the outer circumference diameter of the furnace end 5 is not larger than the diameter of the middle fire cover 62.
In the scheme, the burner is provided with the ejectors corresponding to the inner ring, the middle ring and the outer ring gas tank respectively, so that the flame of the three rings can be independently adjusted. The fire cover seat 1 is a disc structure comprising a plurality of layers of annular grooves, wherein the inner ring gas groove 21 is a groove body arranged in the center of the fire cover seat 1, the surrounding inner ring gas groove 21 is provided with an intermediate ring gas groove 22, the outer ring gas groove 23 is arranged surrounding the intermediate ring gas groove 22, a secondary air channel is further arranged between every two adjacent gas grooves 2, for example, a secondary air channel 3 which is formed at the bottom of the groove body and is opened along the circumferential direction of the groove body is arranged between the inner wall of the outer ring gas groove 23 and the outer wall of the intermediate ring gas groove 22. In addition, the burner 5 connected to the bottom of the fire cover seat 1 is compactly arranged, the size of the burner 5 is smaller than that of the middle fire cover 22 of the fire cover seat 1, and the shape of the burner 5 is not particularly limited, so that the outer circumference diameter of the burner is not larger than that of the middle fire cover 22, that is, the distance between the two points farthest from each other on the radial section of the burner 5 is not larger than that of the middle fire cover 62, so that the size of the burner 5 is smaller than that of the fire cover seat 1, and the burner is convenient to detach and clean.
The invention further provides the following scheme: the bottom surface between inner ring gas tank 21 and middle ring gas tank 22 is equipped with secondary air passageway 3 and is used for installing ignition needle 7 and the through-hole 31 of flameout protection thermocouple 8 respectively in fire lid seat 1, through locating the intercommunication runner 32 of through-hole 31 one side with locate middle ring gas tank 22 and outer ring gas tank 23 between secondary air passageway 3 link to each other, make the secondary air between outer ring and the middle ring can supply inner ring and middle ring burning.
In the above scheme, the burner provided by the invention ingeniously utilizes the through hole 31 provided with the ignition needle and the flameout protection thermocouple, the secondary air channel 3 arranged between the middle-ring gas tank 22 and the outer-ring gas tank 23 is defined as the second secondary air channel 34, and the second secondary air channel 34 is connected with the through hole 31 through the communication flow channel 32 arranged at the bottom of the fire cover seat 1, so that the second secondary air channel 34 conveys air to the central part of the burner; in addition, a first secondary air channel 33 is arranged in the groove body where the through hole 31 is arranged, and provides sufficient secondary air for the inner ring flame together with the through hole 31 to enable the combustion to be sufficient.
The invention further provides the following scheme: the bottom surface between each gas tank 2 is equipped with along circumference open-ended secondary air passageway 3, locates secondary air passageway 3 between inner ring and middle ring gas tank 22 and locates secondary air passageway 3 between middle ring and outer ring gas tank 23 and distribute in the both sides of fire lid seat 1 diameter, makes the secondary air supply even.
The invention further provides the following scheme: the bottom surface of the gas tank 2 is provided with gas inlets which are opened along the circumferential direction, and the outer ring gas inlets and the middle ring gas inlets are distributed on two sides of the diameter of the fire cover seat 1, so that the gas is uniformly distributed on the surface of the fire cover seat 1; preferably, the gas inlet and the adjacent secondary air channel 3 are oppositely arranged at two sides of the diameter of the fire cover seat 1.
In the above scheme, the secondary air channels 3 are uniformly distributed on two sides of the diameter of the fire cover seat 1 and correspond to the gas openings in the inner ring, the middle ring and the outer ring gas grooves respectively, and the burner structure provided by the invention adopts a compact design, so that the number of the gas openings corresponding to each gas groove 2 on the fire cover seat 1 is limited, and in order to uniformly distribute the gas and the secondary air in the fire cover seat 1, the secondary air channels 3 and the gas inlets in the gas grooves 2 are uniformly distributed on two sides of the diameter of the fire cover seat 1, so that the combustion effect is improved.
The invention further provides the following scheme: the bottom of the fire cover seat 1 is provided with a mounting part 4 which extends downwards and gradually closes inwards, and the side surface of the mounting part 4 is provided with air inlets 44 which respectively correspond to the secondary air channels 3; preferably, the bottom of the fire cover seat 1 is provided with a mounting part 4 which extends downwards along the outer diameter of the middle ring fire cover 62 and gradually closes towards the outer diameter of the inner ring fire cover 61.
In the above-mentioned scheme, in order to be convenient for clean the furnace end after dismantling fire lid seat 1, with the setting of furnace end size reduction, because the furnace end diminishes, the corresponding partial size that needs to adjust fire lid seat 1 corresponds with furnace end 5. And thus the mounting part 4 which is arranged at the bottom of the fire cover seat 1 in a downward extending manner and gradually contracts in diameter. The side surface of the mounting portion 4 is provided with a first air inlet 441 corresponding to the first secondary air passage 33, and is also provided with a second air inlet 442 corresponding to the second secondary air passage 33, the second air inlet 442 being disposed higher than the first air inlet 441.
The invention further provides the following scheme: an inner ring gas guide channel 41 corresponding to the inner ring gas tank 21 is axially arranged in the mounting part 4, a middle ring gas guide channel 42 is obliquely arranged along the closing angle of the mounting part 4, and an outer ring gas guide channel 43 with two right-angle turns is axially and radially arranged, so that a gas inlet compactly arranged on the bottom surface of the mounting part 4 is respectively connected with each gas tank 2 which is alternately arranged through the gas guide channels.
In the above-mentioned scheme, since the bottom of the fire cover seat 1 is contracted and arranged so that each air guide channel is converged at a part close to the center of the fire cover seat 1, the arrangement of each air guide channel is adjusted in the mounting part 4 of the fire cover seat 1, wherein the inner ring air guide channel 41 corresponds to the inner ring gas tank 21 positioned at the center of the fire cover seat 1, so that the inner ring gas guide channel is vertically arranged along the axial direction; the middle ring gas guide channel 42 does not directly correspond to the middle ring gas groove 22 in the axial direction, so that the middle ring gas guide channel 42 is obliquely arranged to guide the fuel gas into the middle ring gas groove 22; the outer ring gas guide channel 44 extends from the bottom of the mounting portion 4 in the axial direction upwards, then extends in the horizontal direction, and then extends again in the axial direction upwards to correspond to the outer ring gas groove 23 of the outermost ring, wherein the outer ring gas guide channel 43 provides structural support for the communication flow channel 32 in the horizontal direction extension section.
The invention further provides the following scheme: the burner 5 includes an inner ring air inlet channel 51 axially disposed in the center, and an outer ring air inlet channel 53 and an intermediate ring air inlet channel 52 axially disposed at both ends of the inner ring air inlet channel 51 in the diameter direction, wherein the inner ring, the intermediate ring and the outer ring air inlet channels are compactly disposed and respectively disposed corresponding to the air guide channels in the mounting portion 4.
The invention further provides the following scheme: the burner 5 further comprises mounting holes 54 axially arranged at two ends of the inner ring air inlet channel 51 in the diameter direction, and the mounting holes are arranged corresponding to the through holes 31 arranged at the bottom surface between the inner ring gas tank 21 and the middle ring gas tank 22 in the fire cover seat 1, so that the ignition needle 7 and the flameout protection thermocouple 8 penetrate through the burner 5 and the fire cover seat 1 to be closely arranged at two opposite sides of the inner ring fire cover 61.
In the above scheme, by using the mounting hole 54 compactly arranged on the burner 5 and the through hole 31 corresponding to the mounting hole 54 on the fire cover seat 1, the ignition needle 7 and the flameout protection thermocouple 8 are arranged in the space formed by the mounting hole 54 and the through hole 31 in a penetrating manner, besides the compact arrangement of the ignition needle 7 and the flameout protection thermocouple 8 close to the inner ring gas tank 21, the mounting connection between the burner 5 and the fire cover seat 1 is indirectly provided, so that the burner is more firmly mounted.
The invention further provides the following scheme: the side surface of the fire cover seat 1 is provided with an air duct corresponding to the air inlet 44, so that secondary air supplied by the air duct enters the gas tanks 2 for full combustion.
In the above scheme, the outer side surface of the fire cover seat 1 is of a semi-closed structure, and openings are arranged at intervals to form an air channel which enters the fire cover seat 1 from the side surface so as to supply secondary air.
The invention further provides the following scheme: the edge of the bottom surface of the installation part 4 is provided with a circle of flange 45 which is clamped with the outer edge of the furnace end 5, and the interface of each air guide channel at the bottom of the installation part 4 is provided with a bulge which is clamped with each air inlet channel of the furnace end 5.
In the scheme, the furnace end 5 and the fire cover seat 1 are detachably connected, and in order to ensure that no air leakage exists between the furnace end 5 and the fire cover seat 1, a circle of bulges which are tightly contacted with the wall of the gas channel are arranged at the joint.
The beneficial effects of the invention are as follows:
1. In the burner structure provided by the invention, the burner is compactly provided with the inner ring, the middle ring and the outer ring air inlet channels, and the mounting holes for mounting the ignition needle and the flameout protection thermocouple are integrated, so that the burner is small in overall size and convenient to detach and clean;
2. in the burner structure provided by the invention, the fire cover ring is provided with a plurality of secondary air channels, and a communication flow channel is arranged between part of secondary air channels, so that sufficient secondary air required by middle ring and inner ring flame combustion is ensured;
3. In the burner structure provided by the invention, the flameout protection thermocouple and the ignition needle are both positioned at the central part of the burner, so that the cleaning of the area between the rings of the fire cover seat is facilitated.
Drawings
FIG. 1 is an exploded schematic view of the burner structure of the present invention.
FIG. 2 is a schematic view of the burner fire cover base of the present invention.
FIG. 3 is a schematic top view of the burner of the present invention.
Fig. 4 is a schematic view showing the bottom view of the burner fire cover base of the present invention.
FIG. 5 is a schematic cross-sectional view of the A-A plane of FIG. 3.
FIG. 6 is a schematic cross-sectional view of the B-B plane in FIG. 3.
FIG. 7 is a schematic side view of a burner of the present invention.
The main components in the figure are: 1-fire cover seat, 11-air duct, 2-gas duct, 21-inner ring gas duct, 22-middle ring gas duct, 23-outer ring gas duct, 3-secondary air duct, 31-through hole, 32-communicating flow duct, 33-first secondary air duct, 34-second secondary air duct, 4-mounting part, 41-inner ring gas guide duct, 42-middle ring gas guide duct, 43-outer ring gas guide duct, 44-air inlet, 441-first air inlet, 442-second air inlet, 45-flange, 5-furnace end, 51-inner ring air inlet duct, 52-middle ring air inlet duct, 53-outer ring air inlet duct, 54-mounting hole, 61-inner ring fire cover, 62-middle ring fire cover, 63-outer ring fire cover, 7-ignition needle, 8-flameout protection thermocouple.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the embodiments of the invention are further described in detail below with reference to the accompanying drawings.
Example 1
In this embodiment, as shown in fig. 1 to 4, a burner is provided, which comprises a burner head 5, a burner cover seat 1, an inner ring burner cover 61, an intermediate ring burner cover 62, an outer ring burner cover 63, an ignition needle 7 and a flameout protection thermocouple 8, wherein the burner cover seat 1 is provided with inner rings, intermediate ring and outer ring gas grooves corresponding to the respective burner covers respectively, and a secondary air channel 3 which is partially communicated is arranged between adjacent gas grooves 2, so that the combustion of the three ring burner is sufficient; the bottom of the fire cover seat 1 is connected with a furnace end 5, and the outer circumference diameter of the furnace end 5 is not larger than the diameter of the middle fire cover 62.
In the embodiment, the burner is provided with ejectors corresponding to the inner ring, the middle ring and the outer ring gas grooves respectively, so that the flame of the three rings can be independently adjusted. The fire cover seat 1 is a disc structure comprising a plurality of layers of annular grooves, wherein the inner ring gas groove 21 is a groove body arranged in the center of the fire cover seat 1, the surrounding inner ring gas groove 21 is provided with an intermediate ring gas groove 22, the outer ring gas groove 23 is arranged surrounding the intermediate ring gas groove 22, a secondary air channel is further arranged between every two adjacent gas grooves 2, for example, a secondary air channel 3 which is formed at the bottom of the groove body and is opened along the circumferential direction of the groove body is arranged between the inner wall of the outer ring gas groove 23 and the outer wall of the intermediate ring gas groove 22. In addition, the burner 5 connected to the bottom of the fire cover seat 1 is compactly arranged, the size of the burner 5 is smaller than that of the middle fire cover 22 of the fire cover seat 1, and the shape of the burner 5 is not particularly limited, so that the outer circumference diameter of the burner is not larger than that of the middle fire cover 22, that is, the distance between the two points farthest from each other on the radial section of the burner 5 is not larger than that of the middle fire cover 62, so that the size of the burner 5 is smaller than that of the fire cover seat 1, and the burner is convenient to detach and clean.
In this embodiment, as shown in fig. 2 to 4, the bottom surface of the fire cover seat 1 between the inner ring gas tank 21 and the middle ring gas tank 22 is provided with a secondary air channel 3 and a through hole 31 for installing the ignition needle 7 and the flameout protection thermocouple 8 respectively, and the through hole 31 is connected with the secondary air channel 3 arranged between the middle ring gas tank 22 and the outer ring gas tank 23 through a communication flow channel 32 arranged at one side of the through hole 31, so that secondary air between the outer ring and the middle ring can be supplied to the inner ring and the middle ring for combustion.
In this embodiment, as shown in fig. 2 to 4, the burner provided by the present invention ingeniously uses the through hole 31 for installing the ignition needle and the flameout protection thermocouple, and defines the secondary air channel 3 arranged between the middle ring gas tank 22 and the outer ring gas tank 23 as the second secondary air channel 34, wherein the second secondary air channel 34 is connected with the through hole 31 through the communication flow channel 32 arranged at the bottom of the fire cover seat 1, so that the second secondary air channel 34 conveys air to the central part of the burner; in addition, a first secondary air channel 33 is arranged in the groove body where the through hole 31 is arranged, and provides sufficient secondary air for the inner ring flame together with the through hole 31 to enable the combustion to be sufficient.
In this embodiment, as shown in fig. 3, the bottom surface between the gas slots 2 is provided with secondary air channels 3 that are open along the circumferential direction, and the secondary air channels 3 that are disposed between the inner ring and the middle ring gas slots 22 and the secondary air channels 3 that are disposed between the middle ring and the outer ring gas slots 23 are distributed on two sides of the diameter of the fire cover seat 1, so that the secondary air supply is uniform.
In this embodiment, as shown in fig. 3, the bottom surface of the gas tank 2 is provided with gas inlets that are opened along the circumferential direction, and the outer ring gas inlets and the middle ring gas inlets are distributed on two sides of the diameter of the fire cover seat 1, so that the gas is uniformly distributed on the surface of the fire cover seat 1.
In this embodiment, the secondary air channels 3 are uniformly distributed on two sides of the diameter of the fire cover seat 1, and correspond to the gas openings in the inner ring, the middle ring and the outer ring gas grooves respectively, while the burner structure provided by the invention adopts a compact design, so that the number of the gas openings corresponding to each gas groove 2 on the fire cover seat 1 is limited, and in order to uniformly distribute the gas and the secondary air in the fire cover seat 1, the secondary air channels 3 and the gas inlets in the gas grooves 2 are uniformly distributed on two sides of the diameter of the fire cover seat 1, so as to improve the combustion effect.
In this embodiment, as shown in fig. 7, the bottom of the fire cover seat 1 is provided with a mounting portion 4 that extends downward and gradually closes inward, and the side surface of the mounting portion 4 is provided with air inlets 44 corresponding to the secondary air passages 3 respectively.
In this embodiment, as shown in fig. 7, in order to facilitate cleaning of the burner after the fire cover base 1 is detached, the size of the burner is reduced, and as the burner is reduced, the size of the portion of the fire cover base 1 corresponding to the burner 5 needs to be adjusted correspondingly. And thus the mounting part 4 which is arranged at the bottom of the fire cover seat 1 in a downward extending manner and gradually contracts in diameter. The side surface of the mounting portion 4 is provided with a first air inlet 441 corresponding to the first secondary air passage 33, and is also provided with a second air inlet 442 corresponding to the second secondary air passage 33, the second air inlet 442 being disposed higher than the first air inlet 441.
In this embodiment, as shown in fig. 5, an inner ring gas guide channel 41 corresponding to the inner ring gas tank 21 is axially provided in the mounting portion 4, an intermediate ring gas guide channel 42 is obliquely provided along the closing angle of the mounting portion 4, and an outer ring gas guide channel 43 having two right angle turns is axially and radially provided, so that gas inlets compactly provided on the bottom surface of the mounting portion 4 are respectively connected with the gas tanks 2 which are alternately provided through the gas guide channels.
In this embodiment, since the bottom of the fire cover base 1 is contracted so that each air guide channel is converged at a portion close to the center of the fire cover base 1, the arrangement of each air guide channel is adjusted in the mounting portion 4 of the fire cover base 1, wherein the inner ring air guide channel 41 corresponds to the inner ring gas tank 21 located at the center of the fire cover base 1, so as to be vertically arranged in the axial direction; the middle ring gas guide channel 42 does not directly correspond to the middle ring gas groove 22 in the axial direction, so that the middle ring gas guide channel 42 is obliquely arranged to guide the fuel gas into the middle ring gas groove 22; the outer ring gas guide channel 44 extends from the bottom of the mounting portion 4 in the axial direction upwards, then extends in the horizontal direction, and then extends again in the axial direction upwards to correspond to the outer ring gas groove 23 of the outermost ring, wherein the outer ring gas guide channel 43 provides structural support for the communication flow channel 32 in the horizontal direction extension section.
In this embodiment, as shown in fig. 5 and 6, the burner 5 includes an inner ring air intake passage 51 axially disposed in the center, and an outer ring air intake passage 53 and an intermediate ring air intake passage 52 axially disposed at both ends of the inner ring air intake passage 51 in the diameter direction, the inner ring and the intermediate ring air intake passages being compactly disposed, and being disposed in correspondence with the respective air guide passages in the mounting portion 4, respectively.
In this embodiment, as shown in fig. 6, the burner 5 further includes mounting holes 54 axially provided at both ends of the inner ring air intake passage 51 in the diameter direction, and are disposed corresponding to the through holes 31 provided in the bottom surface between the inner ring gas tank 21 and the middle ring gas tank 22 of the burner cover base 1, so that the ignition needle 7 and the flameout protection thermocouple 8 pass through the burner 5 and the burner cover base 1 to be tightly disposed at both sides opposite to the inner ring gas cover 61.
In this embodiment, by using the mounting hole 54 compactly arranged on the burner 5 and the through hole 31 corresponding to the mounting hole 54 on the fire cover seat 1, the ignition needle 7 and the flameout protection thermocouple 8 are arranged in the space formed by the mounting hole 54 and the through hole 31 in a penetrating manner, and besides compactly arranging the ignition needle 7 and the flameout protection thermocouple 8 close to the inner ring gas tank 21, the installation connection between the burner 5 and the fire cover seat 1 is indirectly provided, so that the installation of the burner is more stable.
In this embodiment, as shown in fig. 7, the side surface of the fire cover seat 1 is provided with an air duct corresponding to the air inlet 44, so that the secondary air supplied through the air duct enters the gas tanks 2 to be fully combusted. The outer side surface of the fire cover seat 1 is of a semi-closed structure, openings are arranged at intervals, and an air channel which enters the fire cover seat 1 from the side surface is formed so as to supply secondary air.
In this embodiment, as shown in fig. 5, a rim 45 is provided on the bottom edge of the mounting portion 4, which is engaged with the outer edge of the burner 5, and a protrusion is provided on the bottom of the mounting portion 4 at the interface of each air guide channel, which is engaged with each air inlet channel of the burner 5. The burner 5 and the fire cover seat 1 are detachably connected, and a circle of bulges which are tightly contacted with the wall of the gas channel are arranged at the joint part in order to ensure that the burner 5 and the fire cover seat 1 are airtight.
Example 2
This embodiment differs from embodiment 1 in that:
In this embodiment, the bottom surface between the gas slots 2 is provided with secondary air channels 3 that are open along the circumferential direction, and the secondary air channels 3 between the inner ring and the middle ring gas slots 22 and the secondary air channels 3 between the middle ring and the outer ring gas slots 23 are distributed on two sides of the diameter of the fire cover seat 1, so that secondary air is uniformly supplied. The bottom surface of the gas tank 2 is provided with gas inlets which are opened along the circumferential direction, and the outer ring gas inlets and the middle ring gas inlets are distributed on two sides of the diameter of the fire cover seat 1, so that the gas is uniformly distributed on the surface of the fire cover seat 1; the gas inlet and the secondary air channel 3 are oppositely arranged on two sides of the diameter of the fire cover seat 1, so that the gas inlet and the secondary air channel 3 are uniformly distributed on the fire cover seat 1, and the combustion effect is greatly improved.
In this embodiment, the fire cover seat 1 extends downward along the outer diameter of the middle fire cover 62, and gradually closes to the outer diameter of the inner ring fire cover 61, and the side surface of the mounting portion 4 is provided with air inlets 44 corresponding to the secondary air channels 3 respectively.
In this embodiment, in order to facilitate cleaning of the burner after the fire cover base 1 is detached, the size of the burner is reduced, and as the burner is reduced, the size of a part of the fire cover base 1 is correspondingly required to be adjusted to correspond to the burner 5. Therefore, when the mounting part 4 is arranged at the bottom of the fire cover seat 1 in a downward extending manner along the outer diameter of the middle fire cover 62, the radial maximum size of the furnace end 5 does not exceed the outer diameter of the middle fire cover 62, preferably the radial cross section of the furnace end 5 is circular, and the diameter of the furnace end 5 is equal to the diameter of the inner ring of the middle fire cover 62. The side surface of the mounting portion 4 is provided with a first air inlet 441 corresponding to the first secondary air passage 33, and is also provided with a second air inlet 442 corresponding to the second secondary air passage 33, the second air inlet 442 being disposed higher than the first air inlet 441.
Other implementation modes of the present embodiment are the same as those of embodiment 1.
The foregoing description is only of the preferred embodiments of the invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (11)
1. The burner comprises a burner head (5), a burner cover seat (1), an inner annular burner cover (61), an intermediate annular burner cover (62), an outer annular burner cover (63), an ignition needle (7) and a flameout protection thermocouple (8), and is characterized in that the burner cover seat (1) is provided with an inner ring, an intermediate ring and an outer ring gas tank corresponding to each burner cover respectively, and a secondary air channel (3) which is partially communicated is arranged between the adjacent gas tanks (2) to enable the three-ring burner to burn fully; the bottom of the fire cover seat (1) is connected with a furnace end (5), and the peripheral diameter of the furnace end (5) is not larger than the diameter of the middle fire cover (62);
The bottom surface of the fire cover seat between the inner ring gas tank and the middle ring gas tank is provided with a secondary air channel and through holes for installing an ignition needle and a flameout protection thermocouple respectively; the through hole is connected with a secondary air channel arranged between the middle ring gas tank and the outer ring gas tank through a communication flow channel arranged at one side of the through hole, so that secondary air between the outer ring and the middle ring can be supplied to the inner ring and the middle ring for combustion.
2. A burner according to claim 1, wherein,
The bottom surface between each gas tank (2) is equipped with along circumference open-ended secondary air passageway (3), locates secondary air passageway (3) between inner ring and middle ring gas tank (22) and locates secondary air passageway (3) between middle ring and outer ring gas tank (23) and distribute in the both sides of fire lid seat (1) diameter, make the secondary air supply even.
3. Burner according to claim 1 or 2, characterized in that the bottom surface of the gas tank (2) is provided with gas inlets opening in circumferential direction, the outer ring gas inlets and the middle ring gas inlets are distributed on both sides of the diameter of the fire cover seat (1), so that the gas is uniformly distributed on the surface of the fire cover seat (1).
4. A burner according to claim 3, wherein,
The gas inlet and the adjacent secondary air channel (3) are oppositely arranged at two sides of the diameter of the fire cover seat (1).
5. Burner according to claim 1 or 2, characterized in that the bottom of the fire cover seat (1) is provided with a mounting portion (4) extending downwards and gradually closing inwards, the side of the mounting portion (4) being provided with air inlets (44) corresponding to the secondary air channels (3) respectively.
6. Burner according to claim 5, characterized in that the bottom of the fire cover seat (1) is provided with a mounting portion (4) extending downwards along the outer diameter of the middle ring fire cover (62) and gradually closing in towards the outer diameter of the inner ring fire cover (61).
7. The burner according to claim 6, wherein the mounting portion (4) is provided with an inner ring gas guide channel (41) corresponding to the inner ring gas groove (21) in the axial direction, an intermediate ring gas guide channel (42) is obliquely provided along the closing angle of the mounting portion (4), and an outer ring gas guide channel (43) having two right angle turns is provided in the axial direction and the radial direction, so that gas inlets compactly arranged on the bottom surface of the mounting portion (4) are respectively connected with the gas grooves (2) which are arranged at intervals through the gas guide channels.
8. Burner according to claim 7, wherein the burner (5) comprises an inner ring air intake passage (51) axially provided in the center, and an outer ring air intake passage (53) and an intermediate ring air intake passage (52) axially provided at both ends in the diameter direction of the inner ring air intake passage (51), the inner ring, intermediate ring and outer ring air intake passages being compactly provided, respectively provided in correspondence with the respective air guide passages in the mounting portion (4).
9. The burner according to claim 8, wherein the burner (5) further comprises mounting holes (54) axially provided at both ends of the inner ring air intake passage (51) in the diameter direction, and the mounting holes are provided corresponding to through holes (31) provided in the bottom surface between the inner ring gas tank (21) and the middle ring gas tank (22) of the burner cover base (1), so that the ignition needle (7) and the flameout protection thermocouple (8) are closely provided at opposite sides of the inner ring burner cover (61) through the burner (5) and the burner cover base (1).
10. Burner according to claim 9, wherein the side of the fire cover base (1) is provided with an air duct corresponding to the air inlet (44) for allowing the secondary air supplied through the air duct to enter between the gas tanks (2) for full combustion.
11. The burner according to claim 10, wherein a circle of flange (45) which is clamped with the outer edge of the burner (5) is arranged at the edge of the bottom surface of the mounting part (4), and a bulge which is clamped with each air inlet channel of the burner (5) is arranged at the interface of each air guide channel at the bottom of the mounting part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480324.XA CN109990272B (en) | 2017-12-29 | 2017-12-29 | Burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480324.XA CN109990272B (en) | 2017-12-29 | 2017-12-29 | Burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990272A CN109990272A (en) | 2019-07-09 |
| CN109990272B true CN109990272B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480324.XA Active CN109990272B (en) | 2017-12-29 | 2017-12-29 | Burner |
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| Country | Link |
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| CN (1) | CN109990272B (en) |
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| CN201680375U (en) * | 2010-01-22 | 2010-12-22 | 汪华庆 | Gas stove burner |
| CN105371276A (en) * | 2015-11-18 | 2016-03-02 | 广东星立方厨房科技有限公司 | Upper air inlet type stove burner |
| CN205279087U (en) * | 2015-12-10 | 2016-06-01 | 广东星立方厨房科技有限公司 | Go up many gas fuel passag of air inlet formula cooking utensils combustor |
| WO2016141644A1 (en) * | 2015-03-12 | 2016-09-15 | 广东美的厨房电器制造有限公司 | Burner and fuel gas implement |
| CN106439809A (en) * | 2016-09-29 | 2017-02-22 | 中山市和美电器燃具有限公司 | Upside-air-inlet three-fire-ring high-power combustor |
| CN206626577U (en) * | 2016-12-12 | 2017-11-10 | 中山市安心生活电器有限公司 | A kind of high-power three fire-ring stove burner |
| CN208154474U (en) * | 2017-12-29 | 2018-11-27 | 青岛海尔智慧厨房电器有限公司 | A kind of burner |
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2017
- 2017-12-29 CN CN201711480324.XA patent/CN109990272B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680375U (en) * | 2010-01-22 | 2010-12-22 | 汪华庆 | Gas stove burner |
| WO2016141644A1 (en) * | 2015-03-12 | 2016-09-15 | 广东美的厨房电器制造有限公司 | Burner and fuel gas implement |
| CN105371276A (en) * | 2015-11-18 | 2016-03-02 | 广东星立方厨房科技有限公司 | Upper air inlet type stove burner |
| CN205279087U (en) * | 2015-12-10 | 2016-06-01 | 广东星立方厨房科技有限公司 | Go up many gas fuel passag of air inlet formula cooking utensils combustor |
| CN106439809A (en) * | 2016-09-29 | 2017-02-22 | 中山市和美电器燃具有限公司 | Upside-air-inlet three-fire-ring high-power combustor |
| CN206626577U (en) * | 2016-12-12 | 2017-11-10 | 中山市安心生活电器有限公司 | A kind of high-power three fire-ring stove burner |
| CN208154474U (en) * | 2017-12-29 | 2018-11-27 | 青岛海尔智慧厨房电器有限公司 | A kind of burner |
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| Publication number | Publication date |
|---|---|
| CN109990272A (en) | 2019-07-09 |
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