CN108006619B - High-efficiency burner - Google Patents
High-efficiency burner Download PDFInfo
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- CN108006619B CN108006619B CN201710489584.7A CN201710489584A CN108006619B CN 108006619 B CN108006619 B CN 108006619B CN 201710489584 A CN201710489584 A CN 201710489584A CN 108006619 B CN108006619 B CN 108006619B
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- ring
- wall
- mixing chamber
- annular
- annular wall
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- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005496 tempering Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 238000002485 combustion reaction Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003860 storage 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
-
- 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
Abstract
The invention relates to a high-efficiency burner, which comprises a base, a gas mixing chamber, an inner ring fire cover and an outer ring fire cover, wherein the outer ring fire cover comprises a fire cover body, the fire cover body comprises an inner ring wall and an outer ring wall, an annular mounting opening is formed between the upper end edges of the inner ring wall and the outer ring wall, a fire outlet part is embedded in the mounting opening, the fire outlet part is formed by vertically overlapping at least two annular metal plates, gaps are reserved between the adjacent metal plates to form an air outlet channel communicated with the outer ring gas mixing chamber, the inner end of the air outlet channel forms an air inlet, and the outer port forms an air outlet. Compared with the traditional casting process, the metal plate disclosed by the invention can more effectively ensure the product quality and improve the yield, and in addition, the fire outlet part has the advantages of quick fire transmission, bright flame color, less flame separation and no tempering, and in addition, the air outlet channel is not easy to block, and meanwhile, the fire outlet part can gasify overflowed liquid at high temperature instantly, so that the heat loss is small and the heat efficiency is high.
Description
Technical Field
The invention relates to the field of gas stoves, in particular to a high-efficiency combustor.
Background
The existing burner comprises a base, a gas mixing cavity, an outer ring fire cover and an inner ring fire cover, wherein the gas mixing cavity is arranged above the base, and the outer ring fire cover and the inner ring fire cover are arranged above the gas mixing cavity, such as the burner structure disclosed in Chinese patent application No. 201410355976.0 (application publication No. CN 104121583A). The fire outlet structure of the traditional outer ring fire cover is generally a fire outlet hole ring formed by a plurality of fire outlet holes, has the problems of slow fire transmission, tempering and the like, and is easy to block, so that the combustion efficiency is affected.
In addition, the fire cover of the existing burner is generally cast by copper, and has the advantages of low processing technology requirements, easy transportation and storage and the like, but the fire cover is easy to generate bubbles in the casting process to cause quality problems, thereby reducing the yield, and in addition, the fire cover has the following problems: copper is a good conductor of heat, has large heat conductivity coefficient and fast heat conduction, when the primary air quantity is large or flame burns nearby a fire hole, tempering phenomenon easily occurs, and part of heat during combustion can be conducted to a base of the burner through a fire cover, so that the combustion efficiency is reduced, the temperature of the base is increased, cast iron manufactured into the base is extremely easy to oxidize and corrode at high temperature, and loose oxide layers are generated on the surface, so that the service life of the cast iron is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a burner for a gas stove with high heat efficiency aiming at the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high-efficient combustor, includes base, gas mixing chamber, inner ring fire lid and outer loop fire lid, the base has set gradually inner ring passageway and outer loop passageway from inside to outside, the gas mixing chamber sets gradually inner ring gas mixing chamber and outer loop gas mixing chamber from inside to outside, the inner ring gas mixing chamber communicates with each other with above-mentioned inner ring passageway, outer loop gas mixing chamber communicates with each other with above-mentioned outer loop passageway, the inner ring fire lid covers on the inner ring gas mixing chamber, the outer loop fire lid sets up the top in outer loop gas mixing chamber, its characterized in that, the outer loop fire lid includes the fire lid body, and this fire lid body includes inner ring wall and outer ring wall, forms annular installation mouth between the upper end edge of this inner ring wall and outer ring wall, inlays in this installation mouth and is equipped with out fire portion, and this fire portion is established by overlapping from top to bottom of two piece at least annular metal sheets, and leaves the gap between the adjacent metal sheet and forms the air outlet channel with above-mentioned outer ring gas mixing chamber intercommunication, this air outlet channel inner port constitutes the air inlet, and outer port constitutes out fire mouth.
Preferably, the fire cover body further comprises an annular chassis positioned at the outer side of the gas mixing chamber, the inner annular wall and the outer annular wall extend upwards obliquely from the inner side edge and the outer side edge of the annular chassis respectively, and the annular chassis, the inner annular wall and the outer annular wall are surrounded to form a gas mixing ring cavity; at least two air delivery pipes used for communicating the air mixing ring cavity and the outer ring air mixing cavity are arranged between the air mixing ring cavity and the outer ring air mixing cavity along the circumferential direction, and secondary air supplementing gaps are formed between adjacent air delivery pipes. The diameter of the gas mixing chamber is smaller than that of the fire cover body, so that manufacturing materials of the burner can be saved, sufficient supplementing space can be provided for secondary air supplementing gaps, and flue gas reduction is facilitated.
Preferably, the top wall of the outer ring gas mixing cavity is raised upwards along the circumferential direction to form a middle ring fire cover, and the upper part of the middle ring fire cover is provided with middle ring fire holes along the circumferential direction. The middle ring fire cover can concentrate load inwards, so that the heat efficiency is improved.
Further, the middle ring fire cover comprises a top ring wall, an inner ring wall and an outer ring wall, wherein the inner ring wall and the outer ring wall are formed by the inner side edge and the outer side edge of the top ring wall respectively and obliquely downwards, and the middle ring fire outlet hole is arranged at the upper part of the inner ring wall and is at least one circle.
Preferably, the high-efficiency burner further comprises an energy collecting ring arranged above the outer ring fire cover, wherein the energy collecting ring comprises an annular vertical wall, an upper annular wall and a lower annular wall, the upper annular wall is formed by extending the upper side edge of the annular vertical wall radially outwards and obliquely upwards, the lower annular wall is formed by extending the lower side edge of the annular vertical wall radially inwards and obliquely upwards, the inclination angle of the upper annular wall is 0-90 degrees, and the outer side edge of the upper annular wall circumferentially protrudes out of the periphery of the outer ring fire cover. The energy collecting ring can collect high-temperature smoke and heat and improve heat efficiency, and can be used as a pot bracket.
Preferably, the lower annular wall is parallel to the outer annular wall of the fire cover body, a gap is reserved between the lower annular wall and the outer annular wall of the fire cover body to form a secondary air channel, the secondary air channel has an inclination angle of 0-90 degrees and a height of 1-30 mm. The secondary air passage may direct, draw, and supplement secondary air to the combustion zone of the burner and may preheat the supplemental secondary air.
Further, the junction of the annular vertical wall and the lower annular wall forms arc transition, and the radian of the arc transition is R2-R30. Therefore, the energy-collecting ring can better play the role of cohesion of heat energy, and the junction can form a deep concave space, so that the residence time of high-temperature gas at the junction is greatly increased, and when the energy-collecting ring is used as a pot support, the energy-collecting ring can effectively promote heat exchange between the energy-collecting ring and the bottom of a pot, thereby improving the combustion efficiency.
Preferably, at least two vertically penetrating mounting sleeves are arranged on the outer annular wall of the fire cover body along the circumferential direction, radially extending mounting lugs are formed at corresponding positions of the inner side edge of the inner annular wall of the fire cover body, and fasteners sequentially penetrate through the mounting sleeves and the mounting holes on the mounting lugs to fix the inner annular wall and the outer annular wall; the inner side edge of the lower annular wall of the energy gathering ring is provided with fixing holes corresponding to the mounting sleeves, each fixing hole limiting sleeve is arranged at the upper end of the corresponding mounting sleeve, the bottom of the lower annular wall is provided with supporting protruding blocks along the circumferential direction, and the supporting protruding blocks are supported between the lower annular wall and the outer annular wall to form the secondary air channel.
Preferably, the fire cover body covers the outer ring air mixing cavity, the inner ring wall extends outwards and obliquely upwards from the inner side edge of the outer ring air mixing cavity, and the inclination angle of the inner ring wall is 0-90 degrees. Therefore, the inner annular wall can play a role of gathering energy, and the combustion structure is simple and easy to clean.
Preferably, a secondary air hole is formed in the side wall of the air mixing chamber, a secondary air loop which is identical to the secondary air hole is formed in the air mixing chamber, the outer ring air mixing chamber is arranged on the outer side of the secondary air loop, and the inner ring air mixing chamber is arranged on the inner side of the secondary air loop. The secondary air holes and the corresponding secondary air loops can supplement secondary air for the combustion of the inner ring fire, thereby being beneficial to reducing smoke.
Compared with the prior art, the invention has the advantages that: the fire outlet part is formed by stacking at least two annular metal plates up and down, gaps are reserved between the adjacent metal plates to form an air outlet channel, the inner end of the air outlet channel forms an air inlet, and the outer end forms the fire outlet. The metal plate is manufactured through a sheet metal process, and compared with a traditional casting process, the metal plate can more effectively ensure the product quality and improve the yield, in addition, the fire discharging part has the advantages of quick fire transmission, bright flame color, less flame separation and no tempering, in addition, the air discharging channel is not easy to block, and meanwhile, the fire discharging part can gasify overflowed liquid at high temperature instantly, and has small heat loss and high heat efficiency.
Drawings
FIG. 1 is a schematic view of a high efficiency burner according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 3 is a cross-sectional view of the high efficiency combustor of example 1 of the present invention;
FIG. 4 is an enlarged view of section I of FIG. 3;
FIG. 5 is a partially exploded view of the high efficiency burner of embodiment 1 of the present invention;
FIG. 6 is an exploded view of the structure of the high efficiency burner of embodiment 1 of the present invention;
FIG. 7 is a schematic view showing the structure of a high efficiency burner in embodiment 2 of the present invention;
FIG. 8 is a schematic view showing the structure of a high efficiency burner in embodiment 3 of the present invention;
FIG. 9 is an exploded view of the structure of the high efficiency burner in embodiment 3 of the present invention;
fig. 10 is a sectional view of the high efficiency burner in example 3 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1:
as shown in fig. 1 to 6, a high efficiency burner comprises a base 1, a gas mixing chamber 2, an inner ring fire cover 4 and an outer ring fire cover. The base 1 is provided with an inner ring channel 11 and an outer ring channel 12 from inside to outside in sequence, the gas mixing chamber 2 is arranged above the base 1, the gas mixing chamber 2 is provided with an inner ring gas mixing chamber 21 and an outer ring gas mixing chamber 22 from inside to outside in sequence, the inner ring gas mixing chamber 21 is communicated with the inner ring channel 11, the outer ring gas mixing chamber 22 is communicated with the outer ring channel 12, and the inner ring fire cover 4 covers the inner ring gas mixing chamber 21. The side wall of the air mixing chamber 2 is provided with a secondary air hole 23, a secondary air loop 25 which is the same as the secondary air hole 23 is formed in the air mixing chamber 2, the outer ring air mixing chamber 22 is arranged on the outer side of the secondary air loop 25, and the inner ring air mixing chamber 21 is arranged on the inner side of the secondary air loop 25. The design of the secondary air holes 23 and the corresponding secondary air loops 25 can supplement secondary air for the combustion of the inner ring fire, which is beneficial to reducing smoke.
The outer ring fire cover is arranged above the outer ring gas mixing cavity 22, specifically, the outer ring fire cover comprises a fire cover body 3, the fire cover body 3 comprises an inner ring wall 32, an outer ring wall 31 and an annular chassis 33 positioned outside the gas mixing chamber 2, the inner ring wall 32 and the outer ring wall 31 respectively extend upwards from the inner side edge and the outer side edge of the annular chassis 33 in an inclined manner, the annular chassis 33, the inner ring wall 32 and the outer ring wall 31 enclose to form a gas mixing ring cavity 34, and an annular mounting opening 30 is formed between the upper end edges of the inner ring wall 32 and the outer ring wall 31. Four horizontal air delivery pipes 7 used for communicating the air mixing ring cavity 34 with the outer ring air mixing cavity 22 are arranged between the air mixing ring cavity 34 and the outer ring air mixing cavity 22 along the circumferential direction, and secondary air supplementing gaps 71 are formed between adjacent air delivery pipes 7. It can be seen that in this embodiment, the diameter of the air mixing chamber 2 is smaller than that of the fire cover body 3, so that not only can the manufacturing material of the burner be saved, but also sufficient space for supplementing the secondary air supplementing gap 71 can be provided, which is beneficial to reducing the smoke. In addition, the annular chassis 33 in this embodiment is integrally connected by the lower pipe wall of the air pipe 7, and the upper pipe wall of the air pipe 7 is connected with the top wall of the outer annular air mixing cavity 22, so that the assembly, the disassembly and the daily cleaning are convenient.
The upper mounting port 30 is embedded with a fire outlet 6, the fire outlet 6 is formed by stacking three annular metal plates 61 up and down, a gap is formed between adjacent metal plates 61 by arranging spacing lugs 62, the gap forms an air outlet channel 60 communicated with the outer ring air mixing cavity 22, the inner end of the air outlet channel 60 forms an air inlet 601, and the outer end forms a fire outlet 602. The metal plate 61 is made by a sheet metal process, and compared with the traditional casting process, the product quality can be more effectively ensured, the yield is improved, in addition, the fire discharging part 6 in the invention has the advantages of quick fire transmission, bright flame color, less flame separation and no tempering, in addition, the air discharging channel 60 is not easy to be blocked, and meanwhile, the fire discharging part 6 can gasify the overflowed liquid at high temperature instantly, the heat loss is small, and the heat efficiency is high.
Further, the top wall of the outer ring air mixing chamber 22 bulges upward in the circumferential direction to form a middle ring fire cover 8, and a middle ring fire hole 84 is circumferentially arranged at the upper part of the middle ring fire cover 8. The middle ring fire cover 8 includes a top ring wall 81, and an inner ring wall 82 and an outer ring wall 83 formed by the inner and outer edges of the top ring wall 81 being inclined downward, respectively, and a middle ring fire hole 84 is provided in an upper portion of the inner ring wall 82 and is formed in two turns. Namely, in the example, two circles of internal rotation fires are formed on the middle ring fire cover 8, and the ring seam fire is formed on the outer ring fire cover by the fire outlet part 6, preferably, the direct-injection fire is formed on the inner ring fire cover 4, so that the heat of the combustion area of the burner can be effectively guided, and the combustion efficiency is improved.
Further, the burner in the present embodiment further comprises an energy collecting ring 5 provided above the outer ring fire cover, the energy collecting ring 5 comprising an annular vertical wall 52, an upper annular wall 51 and a lower annular wall 53, wherein the upper annular wall 51 extends radially outwardly and obliquely upwardly from an upper side edge of the annular vertical wall 52. The lower annular wall 53 is formed by extending the lower side edge of the annular vertical wall 52 radially inwards and obliquely upwards, the upper annular wall 51 is inclined at an angle of 0-90 degrees, and the outer side edge of the upper annular wall 51 protrudes from the periphery of the outer annular fire cover in the circumferential direction. The energy collecting ring 5 is arranged to collect high-temperature smoke, collect heat and improve heat efficiency. In this embodiment, the top annular surface of the upper annular wall 51 of the energy collecting ring 5 is provided with the supporting legs 10, so that the energy collecting ring 5 can be used as a pot bracket.
Further, the lower annular wall 53 is parallel to the outer annular wall 31 of the fire cover body 3 with a gap therebetween to form a secondary air passage 57, and the secondary air passage 57 is inclined at an angle of 0 to 90 ° and has a height of 1 to 30mm. The secondary air passage 57 may direct, draw, and supplement secondary air to the combustion zone of the burner, and may preheat the supplemental secondary air. The junction 54 of the annular vertical wall 52 and the lower annular wall 53 forms an arc transition and the radian of the arc transition is R2-R30. Thus, the energy collecting ring 5 can better play a role of cohesion of heat energy, and the junction 54 can form a deep concave space, so that the residence time of high-temperature gas at the junction is greatly increased, and when the energy collecting ring 5 is used as a pot support, the heat exchange between the energy collecting ring 5 and the pot bottom can be effectively promoted, and the combustion efficiency is improved.
In order to form a stable connection between the energy collecting ring 5 and the fire cover body 3, four vertically penetrating mounting sleeves 311 are respectively arranged on the outer annular wall 31 of the fire cover body 3 along the circumferential direction, radially extending mounting lugs 321 are formed at corresponding positions of the inner side edge of the inner annular wall 32 of the fire cover body 3, and fasteners (not shown, can be conventional fastening screws) sequentially penetrate through the mounting sleeves 311 and the mounting holes 322 on the mounting lugs 321 to fix the inner annular wall 32 and the outer annular wall 31. The inner edge of the lower annular wall 53 of the energy collecting ring 5 is provided with fixing holes 55 corresponding to the mounting sleeves 311, each fixing hole 55 is sleeved on the upper end of the corresponding mounting sleeve 311, the bottom of the lower annular wall 53 is provided with a supporting lug 56 along the circumferential direction, and the supporting lug 56 is supported between the lower annular wall 53 and the outer annular wall 31 to form the secondary air channel 57.
Example 2:
as shown in fig. 7, unlike in embodiment 1, in this example, the top wall of the outer ring air mixing chamber 2 and the top wall of the air delivery pipe 7 form a flat plane, so that the structure of the burner is simple and cleaning is convenient.
Example 3:
as shown in fig. 8 to 10, unlike the embodiment 1, the gas pipe 7 is not provided, the fire cover body 3 directly covers the outer ring gas mixing chamber 22, the inner and outer ring walls 32 and 31 extend obliquely upward outward from the inner and outer side edges of the outer ring gas mixing chamber 22, respectively, and the inner ring wall 32 has an inclination angle of 0 to 90 ° (preferably 30 °), so that the inner ring wall 32 in the embodiment has a focusing effect, and the focusing ring 5 is not additionally provided in the embodiment. The burner in the embodiment has simple structure and is easy to clean.
Claims (10)
1. The utility model provides a high-efficient combustor, includes base (1), air mixing chamber (2), interior ring fire lid (4) and outer ring fire lid, base (1) has set gradually interior ring channel (11) and outer ring channel (12) from inside to outside, air mixing chamber (2) set up in the top of base (1), this air mixing chamber (2) are equipped with interior ring mixing chamber (21) and outer ring mixing chamber (22) from inside to outside in proper order, interior ring mixing chamber (21) communicates with each other with above-mentioned interior ring channel (11), outer ring mixing chamber (22) communicate with each other with above-mentioned outer ring channel (12), interior ring fire lid (4) cover on interior ring mixing chamber (21), outer ring fire lid sets up the top in outer ring mixing chamber (22), its characterized in that, outer ring fire lid includes fire lid body (3) including interior ring wall (32) and outer ring wall (31), this interior ring wall (32) forms annular mounting mouth (30) between the upper end edge of outer ring wall (31), this metal plate (6) is located in the upper end edge of this and is formed between two adjacent ring (61) and is formed by the annular gap (61) and is located at least, and the upper end of this plate (61) is located between two adjacent fire (61) forms the upper end of the annular plate (61), the inner port of the air outlet channel (60) forms an air inlet (601), and the outer port forms an air outlet (602).
2. The high-efficiency burner according to claim 1, wherein the fire cover body (3) further comprises an annular base plate (33) positioned outside the gas mixing chamber (2), the inner annular wall (32) and the outer annular wall (31) extend obliquely upwards from the inner side edge and the outer side edge of the annular base plate (33), respectively, and the annular base plate (33), the inner annular wall (32) and the outer annular wall (31) are surrounded to form a gas mixing ring cavity (34);
at least two air delivery pipes (7) used for communicating the air mixing ring cavity (34) and the outer ring air mixing cavity (22) are arranged between the air mixing ring cavity (34) and the outer ring air mixing cavity (22) along the circumferential direction, and secondary air supplementing gaps (71) are formed between adjacent air delivery pipes (7).
3. The high-efficiency burner according to claim 2, wherein the top wall of the outer ring mixing chamber (22) is raised upwards in the circumferential direction to form a middle ring fire cover (8), and the upper part of the middle ring fire cover (8) is provided with middle ring fire holes (84) in the circumferential direction.
4. A high efficiency burner as claimed in claim 3, wherein said middle ring cover (8) comprises a top annular wall (81) and inner and outer annular walls (82, 83) formed by inner and outer edges of the top annular wall (81) being inclined downward, respectively, and said middle ring fire outlet (84) is provided in an upper portion of the inner annular wall (82) and is at least one turn.
5. A high efficiency burner as claimed in claim 1 or 2 or 3 or 4, further comprising a power collecting ring (5) provided above the outer annular flame cover, the power collecting ring (5) comprising an annular vertical wall (52), an upper annular wall (51) and a lower annular wall (53), wherein the upper annular wall (51) is formed by extending the upper side edge of the annular vertical wall (52) radially outwardly and obliquely upwardly, the lower annular wall (53) is formed by extending the lower side edge of the annular vertical wall (52) radially inwardly and obliquely upwardly, the upper annular wall (51) is inclined at an angle of 0 to 90 °, and the outer side edge of the upper annular wall (51) circumferentially protrudes beyond the outer circumference of the outer annular flame cover.
6. A burner according to claim 5, characterized in that the lower annular wall (53) is parallel to the outer annular wall (31) of the burner cap body (3) with a gap between them to form a secondary air channel (57), the secondary air channel (57) being inclined at an angle of 0-90 ° and at a height of 1-30 mm.
7. The high efficiency burner as claimed in claim 6, wherein the junction (54) of the annular vertical wall (52) and the lower annular wall (53) forms a circular arc transition and has an arc of R2 to R30.
8. A burner as claimed in claim 6, characterised in that the outer annular wall (31) of the fire cover body (3) is provided with at least two vertically penetrating mounting bushings (311) in the circumferential direction, and the inner annular wall (32) of the fire cover body (3) is provided with radially extending mounting lugs (321) at corresponding positions of the inner side edges thereof, the fasteners passing through mounting holes (322) in the mounting bushings (311) and the mounting lugs (321) in turn to fix the inner annular wall (32) and the outer annular wall (31);
the inner side edge of the lower annular wall (53) of the energy collecting ring (5) is provided with fixing holes (55) corresponding to the mounting sleeve (311), each fixing hole (55) limiting sleeve is arranged at the upper end of the corresponding mounting sleeve (311), the bottom of the lower annular wall (53) is provided with supporting protruding blocks (56) along the circumferential direction, and the supporting protruding blocks (56) are supported between the lower annular wall (53) and the outer annular wall (31) to form the secondary air channel (57).
9. A burner according to claim 1, wherein the fire cover body (3) is covered on the outer ring air mixing chamber (22), the inner ring wall (32) extends from the inner side edge of the outer ring air mixing chamber (22) obliquely upwards outwards, and the inclination angle of the inner ring wall (32) is 0-90 °.
10. The efficient burner according to any one of claims 1 to 9, wherein secondary air holes (23) are formed in the side wall of the air mixing chamber (2), a secondary air loop (25) identical to the secondary air holes (23) is formed in the air mixing chamber (2), the outer ring air mixing chamber (22) is arranged on the outer side of the secondary air loop (25), and the inner ring air mixing chamber (21) is arranged on the inner side of the secondary air loop (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489584.7A CN108006619B (en) | 2017-06-24 | 2017-06-24 | High-efficiency burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489584.7A CN108006619B (en) | 2017-06-24 | 2017-06-24 | High-efficiency burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006619A CN108006619A (en) | 2018-05-08 |
| CN108006619B true CN108006619B (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489584.7A Active CN108006619B (en) | 2017-06-24 | 2017-06-24 | High-efficiency burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006619B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256128B (en) * | 2018-11-30 | 2021-12-03 | 宁波方太厨具有限公司 | Burner for gas stove |
| CN111076173B (en) * | 2020-01-02 | 2021-05-07 | 宁波方太厨具有限公司 | Gas kitchen ranges |
| CN113531590A (en) * | 2020-04-15 | 2021-10-22 | 宁波方太厨具有限公司 | Burner for gas stove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546537A (en) * | 2016-01-21 | 2016-05-04 | 广东海信家电有限公司 | Efficient combustor and gas stove |
| CN105889923A (en) * | 2016-06-16 | 2016-08-24 | 广东海信家电有限公司 | High-efficiency three-ring fire burner and gas stove |
| CN206958908U (en) * | 2017-06-24 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX345335B (en) * | 2009-12-18 | 2017-01-25 | Mabe S A De C V * | Triple flame section burner. |
| CA2934675A1 (en) * | 2015-07-02 | 2017-01-02 | Mabe, S.A. De C.V. | Multi burner ovni |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546537A (en) * | 2016-01-21 | 2016-05-04 | 广东海信家电有限公司 | Efficient combustor and gas stove |
| CN105889923A (en) * | 2016-06-16 | 2016-08-24 | 广东海信家电有限公司 | High-efficiency three-ring fire burner and gas stove |
| CN206958908U (en) * | 2017-06-24 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
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