CN108954306B - Burner - Google Patents
Burner Download PDFInfo
- Publication number
- CN108954306B CN108954306B CN201810975670.3A CN201810975670A CN108954306B CN 108954306 B CN108954306 B CN 108954306B CN 201810975670 A CN201810975670 A CN 201810975670A CN 108954306 B CN108954306 B CN 108954306B
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- CN
- China
- Prior art keywords
- inner ring
- burner
- injection
- channel
- injection pipe
- 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.)
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Links
- 238000002347 injection Methods 0.000 claims abstract description 177
- 239000007924 injection Substances 0.000 claims abstract description 177
- 230000000087 stabilizing effect Effects 0.000 claims description 31
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 38
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002737 fuel gas Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 238000004512 die casting Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a burner, and relates to kitchen utensils. At present, the nozzle only adjusts the gas quantity, but can not adjust the air quantity, the mixing proportion of the gas and the air can not be reasonably configured, and the combustion rate is affected. The invention comprises a burner seat and a fire cover arranged on the burner seat, wherein the burner seat is provided with an air inlet channel and is internally provided with a mixing cavity; the top of combustor seat sets up outer loop gas groove, its characterized in that: the burner seat is provided with an injection part with an injection cavity, and the injection pipe is inserted into the injection cavity and can axially move in the injection cavity to adjust the distance between the injection pipe and the nozzle. The ejector tube is movable to adjust the quantity of air through the installation of the telescopic ejector tube, the mixing proportion of fuel gas and air is adjusted, and the problem of burner applicability caused by different fuel gas in various places can be solved, so that the combustion rate is effectively improved, and the energy consumption is reduced. Because the injection pipe is an independent part, the processing is convenient, the processing precision is high, and the production cost is reduced.
Description
Technical Field
The invention relates to kitchen utensils, in particular to a burner.
Background
The existing burner comprises a liquefied gas burner matched with liquefied gas and a natural gas burner matched with natural gas, wherein the liquefied gas burner and the natural gas burner are mainly different in spray nozzles, spray holes of the spray nozzles are different, pressure and gas source components are different in various gas sources, different types of spray nozzles only regulate gas amount, the air inlet amount cannot be regulated, the mixing proportion of the gas and the air cannot be reasonably configured, and the combustion rate is affected.
Disclosure of Invention
The invention aims to solve the technical problems and provide a burner which improves the prior art scheme so as to achieve the purpose of improving the combustion rate. For this purpose, the present invention adopts the following technical scheme.
The burner comprises a burner seat and a fire cover arranged on the burner seat, wherein the burner seat is provided with an air inlet channel and a mixing cavity; the top of combustor seat sets up outer loop gas groove, its characterized in that: the burner seat is provided with an injection part with an injection cavity, and the injection pipe is inserted into the injection cavity and can axially move in the injection cavity to adjust the distance between the injection pipe and the nozzle. The ejector tube is movable to adjust the quantity of air through the installation of the telescopic ejector tube, the mixing proportion of fuel gas and air is adjusted, and the problem of burner applicability caused by different fuel gas in various places can be solved, so that the combustion rate is effectively improved, and the energy consumption is reduced. Because the injection pipe is an independent part, the processing is convenient, the processing precision is high, the burner seat of the injection pipe is removed, the processing mode is flexible, the inclination of the injection pipe is not needed to be considered, and the cost is reduced; according to the technical scheme, the die casting process is fully considered to be incapable of meeting the core pulling process of small outside and large inside of the injection pipe, the injection pipe is movably installed, the burner seat can be die casting processing process, and production cost is reduced.
As a preferable technical means: the injection part comprises an outer ring injection part, an outer ring injection cavity is formed in the outer ring injection part, an outer ring injection pipe is embedded in the outer ring injection cavity, the air mixing cavity comprises a first air mixing cavity arranged on one side of the burner seat and a second air mixing cavity arranged on the other side of the burner seat, the first air mixing cavity is provided with an air inlet, the side wall of the first air mixing cavity is provided with an outer ring nozzle opposite to the outer ring injection pipe, the second air mixing cavity is communicated with an outer ring gas tank, and the outer ring injection pipe is arranged between the air mixing cavity and the second air mixing cavity and is communicated with the first air mixing cavity and the second air mixing cavity. The first air mixing cavity and the second air mixing cavity are arranged front and back, the outer injection part is positioned between the first air mixing cavity and the second air mixing cavity, the structure is simple, and the work is reliable.
As a preferable technical means: the inner hole of the outer ring injection pipe comprises a first taper hole and a second taper hole coaxially arranged with the first taper hole; the front end of the first taper hole of the outer ring injection pipe is opposite to the nozzle, and the diameter of the front end of the first taper hole of the outer ring injection pipe is larger than that of the rear end; the diameter of the front end of the second taper hole of the outer ring injection pipe is smaller than that of the rear end. The front end of the first taper hole is large, so that mixed gas can be maximally introduced; the rear end of the second taper hole is large, so that negative pressure in the outer ring injection pipe can be increased, and the air inflow is increased. The ratio of the lengths of the first taper hole to the second taper hole is 1:5 to 1:7, preparing a base material; the first taper hole and the second taper hole can be arranged at intervals or can be directly connected.
As a preferable technical means: the injection part also comprises an inner ring injection part, an inner ring injection cavity is formed in the inner ring injection part, an inner ring injection pipe is embedded in the inner ring injection cavity, the gas mixing chamber also comprises an inner ring gas mixing chamber, the side wall of the first gas mixing chamber is provided with an inner ring nozzle opposite to the inner ring injection pipe, the front end of the inner ring injection pipe is communicated with the first gas mixing chamber, and the rear end of the inner ring injection pipe is communicated with the inner ring mixing chamber. The inner ring injection part is connected with the inner ring injection cavity and the first air mixing cavity, so that the connection strength is improved.
As a preferable technical means: the inner hole of the inner ring injection pipe comprises a third taper hole and a fourth taper hole coaxially arranged with the third taper hole, the front end of the third taper hole is opposite to the nozzle, and the diameter of the front end of the third taper hole is larger than that of the rear end of the third taper hole; the diameter of the front end of the fourth taper hole is smaller than that of the rear end. The ratio of the lengths of the third taper hole to the fourth taper hole is 1: 4-1: 7, preparing a base material; the length of the third taper hole can be 2-4 mm; the third taper hole and the fourth taper hole can be arranged at intervals or can be directly connected.
As a preferable technical means: the burner is symmetrically provided with two outer ring injection parts, an inner ring injection part is arranged between the two outer ring injection parts, and the two outer ring injection parts and the inner ring injection part are arranged in an inverted' shape. The two outer ring injection parts and the one inner ring injection part can be separately and parallelly arranged, so that the material saving is facilitated, the manufacturing is convenient, and the two outer ring injection parts are used as structural connecting pieces of the first air mixing cavity and the second air mixing cavity and also used as ventilation channels; the inner ring injection part is used as a structural connecting piece of the first air mixing cavity and the inner ring air mixing cavity, and the inner ring injection part is used as a ventilation channel.
As a preferable technical means: the outer side wall of the first air mixing cavity is provided with a nozzle seat, the nozzle seat is of an integrated structure, the nozzle seat is provided with a first channel and a second channel, the first channel is communicated with the outer ring nozzle, and the second channel is communicated with the inner ring nozzle.
As a preferable technical means: the first channel is arranged in the left-right direction, one end of the first channel is provided with an interface, the outer ring nozzle is perpendicular to the first channel, the second channel is arranged in the front-back direction, the front end of the second channel is provided with an interface, the rear end of the second channel is provided with the inner ring nozzle, and the second channel is positioned below the first channel. The nozzle seat is of an integrated structure, the structure is simple, the processing is convenient, the positions of the two interfaces are staggered, the interfaces do not interfere, and the assembly is convenient.
As a preferable technical means: the burner seat include down burner seat and last burner seat, first mixed air chamber, second mixed air chamber, outer ring draw the chamber, inner ring mixed air chamber all is arranged in lower burner seat, outer ring gas tank locate in the last burner seat, the fire lid include inner ring fire lid and outer ring fire lid, outer ring gas tank top be equipped with outer ring fire lid, inner ring mixed air chamber top have not the inner ring fire lid.
As a preferable technical means: the outer ring fire cover is provided with at least one radially arranged ignition part, an ignition hole penetrating through the inner ring and the outer ring of the fire cover is formed in the ignition part, and the ignition part is positioned below the upper surface of the outer ring fire cover. The igniting part is internally arranged, the surface is smooth, the phenomenon that the igniting groove arranged on the surface is covered by sundries can not ignite is avoided, and the working reliability is improved.
As a preferable technical means: the middle part of the inner ring fire cover is provided with an inner ring air mixing chamber which is downwards opened and is opposite to the inner ring air mixing chamber, a plurality of main fire channels are arranged at intervals in the circumferential direction of the inner ring fire cover, one ends of the main fire channels are communicated with the inner ring air mixing chamber, the other ends of the main fire channels are all opened on the outer side vertical surface of the inner ring fire cover and form at least one circle of main flame holes which are mutually separated, the side wall below the main flame holes is provided with a circle of flame stabilizing channels, the outer ends of the flame stabilizing channels are opened on the outer side vertical surface of the fire cover to form a circle of flame stabilizing rings, the inner ends of the flame stabilizing channels are communicated with the inner ring air mixing chamber through auxiliary flame channels, and the outer ends of the flame stabilizing channels are lower than the inner ends. Sundries, soup and the like are prevented from entering the flame stabilizing ring, and the effectiveness of work is improved.
As a preferable technical means: the included angle between the flame stabilizing channel and the bottom plane of the fire cover is 4-6 degrees, and the inner end of the flame stabilizing channel is communicated with the main fire channel. The flame stabilizing channel is arranged obliquely downwards, so that sundries can not enter, particularly liquid can not be carried out, and the condition of leaving fire can not occur.
As a preferable technical means: screw holes are formed in the outer ring injection part and the inner ring injection part to be connected with a tight top screw, and the head of the tight top screw abuts against the injection pipe to fix the injection pipe in the injection cavity. The reliability of the connection is improved.
The beneficial effects are that:
1. According to the technical scheme, the distance between the injection pipe and the nozzle can be adjusted to adapt to different air sources and corresponding air pressures, and a proper mixing ratio is obtained, so that the combustion rate is effectively improved, the cost is saved, and the energy loss is reduced. Because the injection pipe is an independent part, the processing is convenient, the processing precision is high, the burner seat of the injection pipe is removed, the processing mode is flexible, the inclination of the injection pipe is not required to be considered, and the cost is reduced.
2. The first air mixing cavity and the second air mixing cavity are arranged front and back, the outer injection part is positioned between the first air mixing cavity and the second air mixing cavity, the structure is simple, and the work is reliable.
3. The front end of the first taper hole is large, so that mixed gas can be maximally introduced; the rear end of the second taper hole is large, so that negative pressure in the outer ring injection pipe can be increased, and the air inflow is increased.
4. The two outer ring injection parts and the one inner ring injection part can be separately and parallelly arranged, so that the material saving is facilitated, the manufacturing is convenient, and the two outer ring injection parts are used as structural connecting pieces of the first air mixing cavity and the second air mixing cavity and also used as ventilation channels; the inner ring injection part is used as a structural connecting piece of the first air mixing cavity and the inner ring air mixing cavity, and the inner ring injection part is used as a ventilation channel.
5. The nozzle seat is of an integrated structure, the nozzle seat is simple in structure and convenient to process, the positions of the two interfaces are staggered, interference between the interfaces is avoided, and assembly is convenient.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic cross-sectional F-F view of FIG. 2 with the outer fire cover removed.
FIG. 4 is a schematic cross-sectional E-E view of FIG. 2 with the outer fire cover removed.
Fig. 5 is a schematic view of the blasting structure of the present invention.
Fig. 6 is a schematic view of the outer ring fire cover structure of the invention.
Fig. 7 is a schematic view showing the bottom structure of the inner ring fire cover of the invention.
Fig. 8 is a schematic front view of the inner ring fire cover of the invention.
Fig. 9 is a schematic cross-sectional view of the inner ring fire cover of the invention.
In the figure: 1. a lower burner mount; 101. a first air mixing chamber; 102. a second air mixing chamber; 103. an outer ring injection cavity; 104. an inner ring injection cavity; 105. an outer ring injection part; 106. an inner ring injection part; 107. an inner ring air mixing cavity; 2. an upper burner mount; 201. an outer ring gas tank; 3. an outer ring nozzle; 4. an inner ring nozzle; 5. an outer ring injection pipe; 501. a first taper hole; 502. a second taper hole; 6. an inner ring injection pipe; 601. a third taper hole; 602. a fourth taper hole; 7. a nozzle holder; 701. a first channel; 702. a second channel; 8. an outer ring fire cover; 801. a igniting part; 802. a fire hole; 9. an inner ring fire cover; 901. an inner ring air mixing chamber; 902. a main fire path; 903. a flame stabilizing channel; 904. a main flame hole; 905. a flame stabilizing ring; 906. and an auxiliary flame passage.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in fig. 1-5, the invention comprises a burner seat and a fire cover arranged on the burner seat, wherein the burner seat is provided with an air inlet channel and a mixing cavity; the top of the burner seat is provided with an outer ring gas tank 201, the burner seat is provided with an injection part with an injection cavity, and the injection pipe is inserted into the injection cavity and can axially move in the injection cavity to adjust the distance between the injection pipe and the nozzle. According to the technical scheme, the ejector pipe moves, the air quantity can be adjusted by adjusting the position of the ejector pipe, the mixing proportion of fuel gas and air can be adjusted, the problem of burner applicability caused by different fuel gas in various places can be solved, the combustion rate is effectively improved, and the energy loss is reduced. Because the injection pipe is an independent part, the processing is convenient, the processing precision is high, the burner seat of the injection pipe is removed, the processing mode is flexible, the inclination of the injection pipe is not needed to be considered, and the cost is reduced; according to the technical scheme, the die casting process is fully considered to be incapable of meeting the core pulling process of small outside and large inside of the injection pipe, the injection pipe is movably installed, the burner seat can be die casting processing process, and production cost is reduced.
The injection part comprises an outer ring injection part 105, an outer ring injection cavity 103 is formed in the outer ring injection part 105, an outer ring injection pipe 5 is embedded in the outer ring injection cavity 103, the air mixing cavity comprises a first air mixing cavity 101 positioned at one side of the burner seat and a second air mixing cavity 102 positioned at the other side of the burner seat, the first air mixing cavity 101 is provided with an air inlet, the side wall of the first air mixing cavity 101 is provided with an outer ring nozzle 3 opposite to the outer ring injection pipe 5, the second air mixing cavity 102 is communicated with an outer ring gas tank 201, and the outer ring injection pipe 5 is positioned between the air mixing cavity and the second air mixing cavity 102 and is communicated with the first air mixing cavity 101 and the second air mixing cavity 102. The first air mixing cavity 101 and the second air mixing cavity 102 are arranged front and back, the outer injection part is positioned between the first air mixing cavity and the second air mixing cavity, the structure is simple, and the work is reliable.
In order to realize reliable gas transmission of the outer ring injection pipe 5: the inner hole of the outer ring injection pipe 5 comprises a first taper hole 501 and a second taper hole 502 which is coaxially arranged with the first taper hole 501; the front end of the first taper hole 501 of the outer ring injection pipe 5 is opposite to the nozzle, and the diameter of the front end of the first taper hole 501 of the outer ring injection pipe 5 is larger than that of the rear end; the diameter of the front end of the second taper hole 502 of the outer ring injection pipe 5 is smaller than the diameter of the rear end. The front end of the first taper hole 501 is large, so that the mixed gas can be maximally introduced; the rear end of the second taper hole 502 is large, so that negative pressure in the outer ring injection pipe 5 can be increased, and the air inflow is increased. The ratio of the length of the first tapered hole 501 to the length of the second tapered hole 502 is 1:5 to 1:7, preparing a base material; the first taper hole 501 and the second taper hole 502 can be arranged at intervals or can be directly connected. In this embodiment, the inner hole of the outer ring injection pipe 5 is divided into three sections, and an equal diameter hole is arranged between the first taper hole 501 and the second taper hole 502.
The injection part further comprises an inner ring injection part 106, an inner ring injection cavity 104 is formed in the inner ring injection part 106, an inner ring injection pipe 6 is embedded in the inner ring injection cavity 104, the gas mixing chamber further comprises an inner ring gas mixing chamber 107, the side wall of the first gas mixing chamber 101 is provided with an inner ring nozzle 4 opposite to the inner ring injection pipe 6, the front end of the inner ring injection pipe 6 is communicated with the first gas mixing chamber 101, and the rear end of the inner ring injection pipe 6 is communicated with the inner ring mixing chamber. The inner ring injection part 106 is connected with the inner ring injection cavity 104 and the first air mixing cavity 101, so that the connection strength is improved.
To achieve reliable gas delivery of the inner ring ejector 6: the inner hole of the inner ring injection pipe 6 comprises a third taper hole 601 and a fourth taper hole 602 which is coaxially arranged with the third taper hole 601, the front end of the third taper hole 601 is opposite to the nozzle, and the diameter of the front end of the third taper hole 601 is larger than that of the rear end; the front end diameter of the fourth tapered bore 602 is smaller than the rear end diameter. Wherein, the ratio of the lengths of the third taper hole 601 and the fourth taper hole 602 is 1: 4-1: and 7, the gas mixing, the gas inlet and the gas outlet are facilitated while the reliable gas transmission is ensured. The length of the third taper hole 602 in this embodiment is 3mm; the third taper hole 601 and the fourth taper hole 602 may be arranged at intervals or may be directly connected, in this embodiment, the inner hole of the inner ring injection pipe 6 is divided into three sections, and an equal diameter hole is arranged between the third taper hole 601 and the fourth taper hole 602.
In order to simplify the structure, facilitate manufacturing, reduce cost and improve cost rate, the burner is symmetrically provided with two outer ring injection parts 105, an inner ring injection part 106 is arranged between the two outer ring injection parts 105, and the two outer ring injection parts 105 and the inner ring injection part 106 are arranged in an inverted 'delta' shape. The two outer ring injection parts 105 and the one inner ring injection part 106 can be separated and arranged in parallel, which is beneficial to saving materials, and meanwhile, the manufacturing is convenient, the two outer ring injection parts 105 are used as structural connecting pieces of the first air mixing cavity 101 and the second air mixing cavity 102, and the outer ring injection parts 105 are used as ventilation channels; the inner ring injection part 106 is used as a structural connecting piece of the first air mixing cavity 101 and the inner ring air mixing cavity 107, and the inner ring injection part 106 is used as a ventilation channel. The number of the outer ring nozzles is two, the load of the nozzles is proper, the length of the injection pipe is matched with the flow design under the condition of moderate size of the burner seat, the air supply required by combustion is sufficient, the mixture can be fully mixed, and the combustion is complete. In this embodiment, two outer ring ejector pipes are adopted, so that air supply required by combustion is sufficient, air mixing capability is good, arrangement is convenient, when the outer ring ejector pipes are single, load is large, air quantity required by combustion is large, and air mixing effect is poor. When three outer ring injection pipes are adopted, the structural arrangement is inconvenient. In order to facilitate the installation of the ignition gun, the ignition gun is fixed by a connecting plate which is bridged between the two outer ring injection parts 105, is convenient to connect and is easy to detach.
The outer side wall of the first air mixing cavity 101 is provided with a nozzle seat 7, the nozzle seat 7 is of an integrated structure, the nozzle seat 7 is provided with a first channel 701 and a second channel 702, the first channel 701 is communicated with the outer ring nozzle 3, and the second channel 702 is communicated with the inner ring nozzle 4. The integrated structure has good reliability, avoids the occurrence of air leakage due to poor sealing, and simplifies assembly steps.
To provide an assembly space, the first channel 701 is disposed in a left-right direction, one end thereof is provided with an interface, the outer ring nozzle 3 is disposed perpendicularly to the first channel 701, the second channel 702 is disposed in a front-rear direction, the front end thereof is provided with an interface, the rear end thereof is provided with the inner ring nozzle 4, and the second channel 702 is disposed under the first channel 701. The nozzle seat 7 is of an integrated structure, the structure is simple, the processing is convenient, the positions of the two interfaces are staggered, the interfaces are not interfered, and the assembly is convenient.
As a preferable technical means: the burner seat comprises a lower burner seat 1 and an upper burner seat 2, a first mixed air cavity 101, a second mixed air cavity 102, an outer ring injection cavity 103, an inner ring injection cavity 104 and an inner ring mixed air cavity 107 are all positioned in the lower burner seat 1, an outer ring gas tank 201 is arranged in the upper burner seat 2, a fire cover comprises an inner ring fire cover 9 and an outer ring fire cover 8, an outer ring fire cover 8 is arranged above the outer ring gas tank 201, and an inner ring fire cover 9 is arranged above the inner ring mixed air cavity 107.
As shown in fig. 6, to reduce the occurrence of a misfire failure condition: the outer ring fire cover 8 is provided with at least one radially arranged ignition portion 801, ignition holes 802 penetrating through the inner ring and the outer ring of the fire cover are formed in the ignition portion 801, and the ignition portion 801 is located below the upper surface of the outer ring fire cover 8. The igniting part 801 is internally arranged, the surface is smooth, the ignition effect of the igniting groove arranged on the surface due to the coverage of sundries is avoided, and the working reliability is improved. The outer port of the ignition hole 802 and the main fire hole of the outer ring fire cover 8 are both positioned on the side elevation and are close to each other, and can be positioned at the same height, so that the ignition reliability is effectively improved.
As shown in fig. 7-9: in order to realize reliable flame stabilization, the middle part of the inner ring flame cover 9 is provided with an inner ring air mixing chamber 901 which is opened downwards and is opposite to the inner ring air mixing chamber 107, a plurality of main flame channels 902 are arranged at intervals in the circumferential direction of the inner ring flame cover 9, one ends of the main flame channels 902 are communicated with the inner ring air mixing chamber 901, the other ends of the main flame channels 902 are opened on the outer side vertical surface of the inner ring flame cover 9 and form at least one circle of main flame holes 904 which are mutually separated, a circle of flame stabilizing channels 903 are arranged on the side wall below the main flame holes 904, the outer ends of the flame stabilizing channels 903 are opened on the outer side vertical surface of the flame cover to form a circle of flame stabilizing rings 905, the inner ends of the flame stabilizing channels 903 are communicated with the inner ring air mixing chamber 901 through auxiliary flame channels 906, and the outer ends of the flame stabilizing channels 903 are lower than the inner ends. Sundries, soup and the like are prevented from entering the flame stabilizing ring 905, and the effectiveness of work is improved.
The flame stabilizing channel 903 is at an angle of 5 degrees to the bottom plane of the flame cover, and the inner end of the flame stabilizing channel 903 is in communication with the main flame channel 902. The flame stabilizing channel 903 is arranged obliquely downwards, so that sundries can not enter, particularly liquid can not be carried out, the condition of flame release can not occur, the flame stabilizing channel 903 is communicated with the inner ring gas mixing chamber 901 through the main flame channel 902, and is also communicated with the inner ring gas mixing chamber 901 through the auxiliary flame channel 906, and the condition that enough air quantity can enter the flame stabilizing channel 903 is ensured, so that the flame stabilizing effect is further improved.
In order to improve connection reliability of the injection pipe and the injection part, threaded holes are formed in the outer ring injection part 105 and the inner ring injection part 106 to be connected with the tight top screw, and the head of the tight top screw abuts against the injection pipe to fix the injection pipe in the injection cavity.
The burner shown in fig. 1-9 is a specific embodiment of the present invention, has been shown to have substantial features and improvements, and can be modified in terms of shape, structure, etc. according to practical use requirements, in the light of the present invention, all falling within the scope of protection of the present invention.
Claims (11)
1. The burner comprises a burner seat and a fire cover arranged on the burner seat, wherein the burner seat is provided with an air inlet channel and a mixing cavity; an outer ring gas tank (201) is arranged at the top of the burner seat, and is characterized in that: the burner seat is provided with an injection part with an injection cavity inside, and the injection pipe is inserted into the injection cavity and can axially move in the injection cavity to adjust the distance between the injection pipe and the nozzle; the fire cover comprises an inner ring fire cover (9) and an outer ring fire cover (8);
The middle part of the inner ring fire cover (9) is provided with an inner ring gas mixing chamber (901) which is downwards opened and is opposite to the inner ring gas mixing chamber (107), a plurality of main fire channels (902) are arranged on the circumference of the inner ring fire cover (9) at intervals, one ends of the main fire channels (902) are communicated with the inner ring gas mixing chamber (901), the other ends of the main fire channels are respectively opened on the outer side vertical surface of the inner ring fire cover (9) and form at least one circle of main flame holes (904) which are mutually separated, the side wall below the main flame holes (904) is provided with a circle of flame stabilizing channels (903), the outer ends of the flame stabilizing channels (903) are opened on the outer side vertical surface of the fire cover to form a circle of flame stabilizing rings (905), and the inner ends of the flame stabilizing channels (903) are communicated with the inner ring gas mixing chamber (901) through auxiliary flame channels (906), and the outer ends of the flame stabilizing channels (903) are lower than the inner ends; the inner end of the flame stabilizing channel (903) is communicated with the main fire channel (902); the included angle between the flame stabilizing channel (903) and the bottom plane of the fire cover is 4-6 degrees, so that sundries can not enter the inner ring gas mixing chamber (901) from the flame stabilizing channel, and the fire is prevented from leaving.
2. A burner as claimed in claim 1, wherein: the injection portion include outer loop injection portion (105), offer outer loop injection chamber (103) in outer loop injection portion (105), outer loop injection chamber (103) in embedding outer loop injection pipe (5), the gas mixing chamber including be located first gas mixing chamber (101) of combustor seat one side, be located second gas mixing chamber (102) of combustor seat opposite side, first gas mixing chamber (101) be equipped with the air inlet, the lateral wall of first gas mixing chamber (101) is equipped with outer loop nozzle (3) relative with outer loop injection pipe (5), second gas mixing chamber (102) communicate with each other with outer loop gas tank (201), outer loop injection pipe (5) be located between gas mixing chamber, second gas mixing chamber (102) and communicate first gas mixing chamber (101), second gas mixing chamber (102).
3. A burner as claimed in claim 1, wherein: the inner hole of the outer ring injection pipe (5) comprises a first taper hole (501) and a second taper hole (502) coaxially arranged with the first taper hole (501); the front end of a first taper hole (501) of the outer ring injection pipe (5) is opposite to the nozzle, and the diameter of the front end of the first taper hole (501) of the outer ring injection pipe (5) is larger than that of the rear end; the diameter of the front end of the second taper hole (502) of the outer ring injection pipe (5) is smaller than the diameter of the rear end; the ratio of the length of the first taper hole (501) to the length of the second taper hole (502) is 1:5 to 1:7.
4. A burner as claimed in claim 2, wherein: the injection part also comprises an inner ring injection part (106), an inner ring injection cavity (104) is formed in the inner ring injection part (106), an inner ring injection pipe (6) is embedded in the inner ring injection cavity (104), the gas mixing chamber also comprises an inner ring mixing cavity (107), an inner ring nozzle (4) opposite to the inner ring injection pipe (6) is arranged on the side wall of the first mixing cavity (101), the front end of the inner ring injection pipe (6) is communicated with the first mixing cavity (101), and the rear end of the inner ring injection pipe (6) is communicated with the inner ring mixing cavity.
5. A burner as claimed in claim 4, wherein: the inner hole of the inner ring injection pipe (6) comprises a third taper hole (601) and a fourth taper hole (602) coaxially arranged with the third taper hole (601), the front end of the third taper hole (601) is opposite to the nozzle, and the diameter of the front end of the third taper hole (601) is larger than that of the rear end of the third taper hole; the front end diameter of the fourth taper hole (602) is smaller than the rear end diameter.
6. A burner as claimed in claim 4, wherein: the burner is symmetrically provided with two outer ring injection parts (105), an inner ring injection part (106) is arranged between the two outer ring injection parts (105), and the two outer ring injection parts (105) and the inner ring injection part are arranged in an inverted 'V' -shape.
7. A burner as claimed in claim 4, wherein: the outer side wall of the first air mixing cavity (101) is provided with a nozzle seat (7), the nozzle seat (7) is of an integrated structure, the nozzle seat (7) is provided with a first channel (701) and a second channel (702), the first channel (701) is communicated with the outer ring nozzle (3), and the second channel (702) is communicated with the inner ring nozzle (4).
8. A burner as claimed in claim 7, wherein: the first channel (701) is arranged in the left-right direction, one end of the first channel is provided with an interface, the outer ring nozzle (3) is perpendicular to the first channel (701), the second channel (702) is arranged in the front-back direction, the front end of the second channel is provided with an interface, the rear end of the second channel is provided with the inner ring nozzle (4), and the second channel (702) is positioned below the first channel (701).
9. A burner as claimed in claim 4, wherein: the burner seat include burner seat (1) and last burner seat (2) down, first mixed gas chamber (101), second mixed gas chamber (102), outer ring draw and penetrate chamber (103), inner ring draw and penetrate chamber (104), inner ring mixed gas chamber (107) all be arranged in burner seat (1) down, outer ring gas groove (201) locate in last burner seat (2), outer ring gas groove (201) top be equipped with outer ring fire lid (8), inner ring mixed gas chamber (107) top be equipped with inner ring fire lid (9).
10. A burner as claimed in claim 9, wherein: the outer ring fire cover (8) is provided with at least one radially arranged ignition part (801), an ignition hole (802) penetrating through the inner ring and the outer ring of the fire cover is formed in the ignition part (801), and the ignition part (801) is positioned below the upper surface of the outer ring fire cover (8).
11. A burner as claimed in claim 6, wherein: screw holes are formed in the outer ring injection part (105) and the inner ring injection part (106) to be connected with a tight top screw, and the head of the tight top screw abuts against the injection pipe to fix the injection pipe in the injection cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975670.3A CN108954306B (en) | 2018-08-24 | 2018-08-24 | Burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975670.3A CN108954306B (en) | 2018-08-24 | 2018-08-24 | Burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954306A CN108954306A (en) | 2018-12-07 |
| CN108954306B true CN108954306B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810975670.3A Active CN108954306B (en) | 2018-08-24 | 2018-08-24 | Burner |
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| Country | Link |
|---|---|
| CN (1) | CN108954306B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798523B (en) * | 2019-01-29 | 2024-05-10 | 杭州德意智家股份有限公司 | Fire dividing disc assembly for burner and burner |
| CN113074369B (en) * | 2020-01-06 | 2022-05-17 | 宁波方太厨具有限公司 | Fire cover structure of stove burner |
| CN111664449B (en) * | 2020-05-06 | 2021-08-03 | 广东合胜厨电科技有限公司 | Upper air inlet ultra-high power household stove burner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162292A (en) * | 2013-02-26 | 2013-06-19 | 宁波方太厨具有限公司 | Burner outer flame cover |
| CN104132345A (en) * | 2014-07-25 | 2014-11-05 | 浙江安德电器有限公司 | Flame stabilizing combustor suitable for fuel gas stove |
| CN104566374A (en) * | 2013-10-12 | 2015-04-29 | 浙江莫尼厨具有限公司 | Adjustable upper intake air combustor |
| CN205782934U (en) * | 2016-04-13 | 2016-12-07 | 创尔特热能科技(中山)有限公司 | A kind of burner |
| CN209165387U (en) * | 2018-08-24 | 2019-07-26 | 浙江帅丰电器股份有限公司 | A kind of burner |
-
2018
- 2018-08-24 CN CN201810975670.3A patent/CN108954306B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162292A (en) * | 2013-02-26 | 2013-06-19 | 宁波方太厨具有限公司 | Burner outer flame cover |
| CN104566374A (en) * | 2013-10-12 | 2015-04-29 | 浙江莫尼厨具有限公司 | Adjustable upper intake air combustor |
| CN104132345A (en) * | 2014-07-25 | 2014-11-05 | 浙江安德电器有限公司 | Flame stabilizing combustor suitable for fuel gas stove |
| CN205782934U (en) * | 2016-04-13 | 2016-12-07 | 创尔特热能科技(中山)有限公司 | A kind of burner |
| CN209165387U (en) * | 2018-08-24 | 2019-07-26 | 浙江帅丰电器股份有限公司 | A kind of burner |
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| Publication number | Publication date |
|---|---|
| CN108954306A (en) | 2018-12-07 |
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