CN108006644B - Burner for gas stove - Google Patents
Burner for gas stove Download PDFInfo
- Publication number
- CN108006644B CN108006644B CN201710489599.3A CN201710489599A CN108006644B CN 108006644 B CN108006644 B CN 108006644B CN 201710489599 A CN201710489599 A CN 201710489599A CN 108006644 B CN108006644 B CN 108006644B
- Authority
- CN
- China
- Prior art keywords
- annular
- mixing chamber
- fire cover
- gas
- outer annular
- 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
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 6
- 238000005496 tempering Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 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
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 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
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
Abstract
The invention relates to a burner for a gas stove, which comprises a base, a gas mixing chamber, an inner ring fire cover and an outer ring fire cover, wherein the gas mixing chamber is arranged above the base and is provided with an annular cavity; at least two turbulence bodies are arranged in the annular cavity along the circumferential direction, air inlet gaps are respectively formed between adjacent turbulence bodies, and each air inlet gap is respectively opposite to a corresponding secondary air hole. Compared with the prior art, the invention can disturb the high-temperature gas near the fire outlet of the outer ring fire cover and the inner ring fire cover by disturbing the design of the fluid, thereby being beneficial to the flow and heat exchange of the high-temperature gas, the supply of secondary air and further improving the combustion efficiency.
Description
Technical Field
The invention relates to the field of gas stoves, in particular to a burner for a gas stove.
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, the outer ring fire cover and the inner ring fire cover are arranged above the gas mixing cavity, the space between the outer ring fire cover and the inner ring fire cover is limited, and the space is relatively closed in the horizontal direction, so that the flow and heat exchange of internal high-temperature gas are insufficient, and the combustion efficiency of the burner is prevented from being improved.
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 combustion efficiency aiming at the prior art.
The technical scheme adopted for solving the technical problems is as follows: the burner for the gas stove comprises a base, a gas mixing chamber, an inner ring fire cover and an outer ring fire cover, wherein the base is provided with an inner ring gas channel and an outer ring gas channel which are upwards opened, the gas mixing chamber is arranged above the base and is provided with an annular cavity, the inner ring fire cover and the outer ring fire cover are respectively arranged above the gas mixing chamber and are respectively positioned at the inner side and the outer side of the annular cavity, a central gas mixing cavity and an outer ring gas mixing cavity are respectively formed in the inner ring fire cover and the outer ring fire cover, the central gas mixing cavity and the outer ring gas mixing cavity are respectively communicated with the inner ring gas channel and the outer ring gas channel, and the annular cavity is respectively isolated from the inner ring gas channel and the outer ring gas channel; at least two turbulence bodies are arranged in the annular cavity along the circumferential direction, air inlet gaps are respectively formed between adjacent turbulence bodies, and each air inlet gap is respectively opposite to a corresponding secondary air hole.
Preferably, the secondary air holes are spaced from the spoiler, and the air intake gap is aligned with the secondary air holes. The secondary air can enter the inner ring through the secondary air holes better, and the turbulence effect of the disturbing fluid on the high-temperature gas and air can be further enhanced.
Preferably, each turbulence body is fixed with the outer peripheral wall of the annular cavity, and the first side surface of each turbulence body opposite to the inner ring fire cover protrudes upwards and takes an arc shape. The design of the first side can not only reduce the resistance of external air entering the inner ring and is beneficial to the supply of secondary air, thereby further improving the combustion efficiency, but also has a certain energy gathering effect and avoids heat dissipation. Further, the radian of the first side surface is R5 to R200.
Preferably, the outer ring fire cover comprises a fire cover body, the fire cover body comprises an inner ring wall extending vertically or obliquely upwards, the outer ring wall and the outer ring mixing cavity formed by surrounding the inner ring wall and the outer ring wall, and the top edge of the first side surface is overlapped with the lower edge of the inner ring wall, so that the resistance of the first side surface to gas can be further reduced.
Preferably, an annular mounting opening is formed between the upper ends of the inner annular wall and the outer annular 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, a gap is reserved between every two adjacent metal plates to form an air outlet channel communicated with the outer annular air mixing cavity, and the outer port of the air outlet channel forms the fire outlet. The metal plate is manufactured through a sheet metal process, and compared with the traditional casting process, the method can more effectively ensure the product quality and improve the yield, and in addition, the fire discharging part has the advantages of quick fire transmission, bright flame color, less flame separation and no tempering, and in addition, the gas discharging channel is not easy to block, and meanwhile, the fire discharging part can gasify the overflowed liquid at high temperature instantly.
Preferably, the longitudinal section of the mounting port is uniformly increased from inside to outside, so that the gas speed at the fire outlet can be effectively regulated, and the phenomena of flame separation and tempering are effectively avoided.
Preferably, the longitudinal section of the mounting port is uniformly reduced from inside to outside, so that the gas speed at the fire outlet is increased, the gas power is improved, and the air power at the fire outlet is further driven, so that the whole combustion is more sufficient.
Preferably, through holes extending vertically are uniformly formed in the peripheral wall of the annular cavity in the circumferential direction of the gas mixing chamber, and the outer ring gas mixing chamber is communicated with the outer ring gas channel through the through holes.
Further, the through holes are arranged at intervals from the secondary air holes.
Compared with the prior art, the invention has the advantages that: the side part of the air mixing chamber is provided with a secondary air hole which is communicated with the annular cavity to form a secondary air channel, the annular cavity is internally provided with at least two turbulence bodies along the circumferential direction, air inlet gaps are respectively formed between adjacent turbulence bodies, and each air inlet gap is respectively opposite to the corresponding secondary air hole. Through the design of disturbing fluid, can disturb the high temperature gas near the air that gets into from the secondary air hole and outer ring fire lid, inner ring fire lid play fire mouth to be favorable to the flow of high temperature gas, heat transfer, be favorable to the supply of secondary air, and then improve combustion efficiency.
Drawings
FIG. 1 is a schematic view showing the structure of a burner in 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 a burner in embodiment 1 of the present invention;
FIG. 4 is a sectional view showing a partially exploded construction of a burner in embodiment 1 of the present invention;
FIG. 5 is an exploded view of the outer ring fire cover in embodiment 1 of the present invention;
fig. 6 is a schematic view of another direction structure of fig. 5.
FIG. 7 is a schematic view showing the structure of a burner in embodiment 2 of the present invention;
FIG. 8 is a cross-sectional view of a burner in embodiment 2 of the present invention;
FIG. 9 is a cross-sectional view of a burner in embodiment 3 of the present invention;
FIG. 10 is a cross-sectional view of a burner in embodiment 4 of the present invention;
FIG. 11 is an enlarged view of section I of FIG. 9;
fig. 12 is an enlarged view of section ii of fig. 10.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, a burner for a gas range includes a base 1, a gas mixing chamber 7, an inner ring fire cover 5 and an outer ring fire cover 3, the base 1 has an inner ring gas passage 12 and an outer ring gas passage 11 which are opened upward, the gas mixing chamber 7 is disposed above the base 1 and has an annular cavity 71, the inner ring fire cover 5 and the outer ring fire cover 3 are disposed above the gas mixing chamber 7 and are located at the inner side and the outer side of the annular cavity 71, a center gas mixing chamber 51 and an outer ring gas mixing chamber 33 are formed at the inner side of the inner ring fire cover 5 and the outer ring fire cover 3, respectively, the center gas mixing chamber 51 and the outer ring gas mixing chamber 33 are communicated with the inner ring gas passage 12 and the outer ring gas passage 11, respectively, and the annular cavity 71 is isolated from the inner ring gas passage 12 and the outer ring gas passage 11, respectively.
Further, a secondary air hole 72 is formed in the side portion of the air mixing chamber 7, and the secondary air hole 72 communicates with the annular chamber 71 to form a secondary air passage. At least two turbulence bodies 6 are disposed in the annular cavity 71 along the circumferential direction, and air intake gaps are respectively formed between adjacent turbulence bodies 6, and each air intake gap is respectively opposite to a corresponding secondary air hole 72. The design of the disturbing fluid 6 can disturb the air entering from the secondary air hole 72 and the high-temperature gas near the fire outlets of the outer ring fire cover 3 and the inner ring fire cover 5, thereby being beneficial to the flow and heat exchange of the high-temperature gas, the supply of secondary air and further improving the combustion efficiency. Specifically, in the present embodiment, the turbulence bodies 6 are in a block shape and four blocks, each of the turbulence bodies 6 is fixed to the outer peripheral wall of the annular cavity 71, and the first side 61 of each of the turbulence bodies 6 opposite to the inner annular fire cover 5 protrudes upward and has an arc shape, and the radian of the first side 61 is R5 to R200 (preferably R90). The design of the first side 61 not only reduces the resistance of the external air entering the inner ring, and is beneficial to supplementing secondary air, thereby further improving the combustion efficiency, but also has a certain energy gathering effect and avoiding heat dissipation. In addition, through holes 73 extending vertically are uniformly formed in the circumferential direction on the outer circumferential wall of the annular cavity 71 in the air mixing chamber 7, the outer ring air mixing chamber 33 is communicated with the outer ring gas channel 11 through the through holes 73, and the through holes 73 are arranged at intervals with the secondary air holes 72.
Still further, the outer ring fire cover 3 includes a fire cover body including an inner ring wall 31 extending vertically or obliquely upward, the outer ring wall 32, and the outer ring mixing chamber 33 defined by the inner ring wall 31 and the outer ring wall 32, and a top edge of the first side surface 61 overlaps a bottom edge of the inner ring wall 31. An annular mounting opening 30 is formed between the upper ends of the inner annular wall 31 and the outer annular wall 32, and in this embodiment, the longitudinal section of the mounting opening 30 is uniformly changed from inside to outside. The installation opening 30 is embedded with a fire outlet 4, the fire outlet 4 is formed by stacking at least two annular metal plates 41 up and down, gaps are reserved between the adjacent metal plates 41 to form an air outlet channel communicated with the outer ring air mixing cavity 33, and the outer port of the air outlet channel forms a fire outlet. In this embodiment, the fire outlet portion 4 is formed by three annular metal plates 41, and spacing protrusions 42 are disposed between adjacent metal plates 41, so that the air outlet channels are formed between the metal plates 41. In the invention, the metal plate 41 is manufactured by a sheet metal process, compared with the traditional casting process, the product quality can be ensured more effectively, the yield is improved, in addition, the fire discharging part 4 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 be blocked, and meanwhile, the fire discharging part 4 can gasify the overflowed liquid at high temperature instantly.
Example 2:
as shown in fig. 7 and 8, unlike the embodiment 1, the turbulence bodies 6 are formed in a sheet shape and are formed in two pieces, the longitudinal sections of the turbulence bodies 6 are each formed in an arc shape, the upper ends of the turbulence bodies 6 are fixed to the lower ends of the outer annular walls 32, and the lower ends thereof are fixed to the bottom surface of the annular chamber 71. Further, the outer side surface of each spoiler 6 constitutes the first side surface 61, and the curvature of the first side surface 61 is R5 to R200 (preferably R90).
Example 3:
as shown in fig. 9 and 11, unlike embodiment 2, in this embodiment, the longitudinal section of the mounting opening 30 is uniformly enlarged from inside to outside, i.e., the mounting opening 30 is flared from inside to outside, so that the gas velocity at the fire outlet can be effectively adjusted, and the phenomena of flame separation and tempering can be effectively avoided.
Example 4:
as shown in fig. 10 and 12, unlike embodiment 2, in this embodiment, the longitudinal section of the mounting opening 30 is uniformly reduced from inside to outside, that is, the mounting opening 30 is in a necking shape from inside to outside, so as to increase the gas speed at the fire outlet, improve the gas power, and further drive the air power at the fire outlet, so that the whole combustion is more sufficient.
Claims (10)
1. The burner for a gas stove comprises a base (1), a gas mixing chamber (7), an inner annular fire cover (5) and an outer annular fire cover (3), wherein the base (1) is provided with an inner annular gas channel (12) and an outer annular gas channel (11) which are upwards opened, the gas mixing chamber (7) is arranged above the base (1) and is provided with an annular cavity (71), the inner annular fire cover (5) and the outer annular fire cover (3) are respectively arranged above the gas mixing chamber (7) and are respectively positioned on the inner side and the outer side of the annular cavity (71), a central gas mixing chamber (51) and an outer annular gas mixing chamber (33) are respectively formed in the inner annular fire cover (5) and the outer annular fire cover (3), the central gas mixing chamber (51) and the outer annular gas mixing chamber (33) are respectively communicated with the inner annular gas channel (12) and the outer annular gas channel (11), and the annular cavity (71) are respectively isolated from the inner annular gas channel (12) and the outer annular gas channel (11), and the burner is characterized in that a secondary air hole (72) is formed in the side of the gas mixing chamber (7);
at least two turbulence bodies (6) are arranged in the annular cavity (71) along the circumferential direction, air inlet gaps are respectively formed between adjacent turbulence bodies (6), and each air inlet gap is respectively opposite to a corresponding secondary air hole (72).
2. A burner according to claim 1, wherein the secondary air holes (72) are spaced from the spoiler (6), and the air intake gap is aligned with the secondary air holes (72).
3. A burner according to claim 2, wherein each of the turbulators (6) is fixed to the peripheral wall of the annular cavity (71), and wherein the first side (61) of each of the turbulators (6) opposite the inner annular flame cover (5) projects upwardly and is arcuate.
4. A burner according to claim 3, wherein the first side (61) has an arc of R5 to R200.
5. A burner as claimed in claim 3 or 4, characterised in that the outer annular fire cover (3) comprises a fire cover body comprising an inner annular wall (31) extending vertically or obliquely upwards, the outer annular wall (32) and the outer annular mixing chamber (33) defined by the inner annular wall (31) and the outer annular wall (32), the top edge of the first side (61) overlapping the lower edge of the inner annular wall (31).
6. Burner according to claim 5, wherein an annular mounting opening (30) is formed between the upper ends of the inner annular wall (31) and the outer annular wall (32), a fire outlet (4) is embedded in the mounting opening (30), the fire outlet (4) is formed by stacking at least two annular metal plates (41) up and down, gaps are reserved between the adjacent metal plates (41) to form an air outlet channel communicated with the outer annular mixing cavity (33), and the outer port of the air outlet channel forms the fire outlet.
7. Burner according to claim 6, wherein the mounting opening (30) increases in longitudinal section uniformly from inside to outside.
8. Burner according to claim 6, wherein the mounting opening (30) is uniformly decreasing in longitudinal section from inside to outside.
9. The burner according to claim 5, wherein the gas mixing chamber (7) is provided with vertically extending through holes (73) uniformly formed in the peripheral wall of the annular chamber (71) in the circumferential direction, and the outer annular gas mixing chamber (33) is communicated with the outer annular gas channel (11) through the through holes (73).
10. A burner according to claim 9, wherein said through holes (73) are spaced from said secondary air holes (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489599.3A CN108006644B (en) | 2017-06-24 | 2017-06-24 | Burner for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489599.3A CN108006644B (en) | 2017-06-24 | 2017-06-24 | Burner for gas stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006644A CN108006644A (en) | 2018-05-08 |
| CN108006644B true CN108006644B (en) | 2024-02-20 |
Family
ID=62048707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489599.3A Active CN108006644B (en) | 2017-06-24 | 2017-06-24 | Burner for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006644B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553261A (en) * | 2018-06-03 | 2019-12-10 | 宁波方太厨具有限公司 | Burner for gas stove |
| CN111121025B (en) * | 2018-10-31 | 2022-01-25 | 宁波方太厨具有限公司 | Burner for gas stove |
| CN111121019B (en) * | 2018-10-31 | 2022-01-25 | 宁波方太厨具有限公司 | Burner fire cover for gas cooker and burner using same |
| CN110762528B (en) * | 2019-10-30 | 2021-01-12 | 宁波方太厨具有限公司 | Fire cover of kitchen range |
| WO2023102854A1 (en) * | 2021-12-09 | 2023-06-15 | 伍笑天 | Energy gathering ring assembly and gas stove |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122165A1 (en) * | 2007-04-10 | 2008-10-16 | Ningbo Fotile Kitchen Ware Co., Ltd | Multi-jet gas burner |
| CN203869034U (en) * | 2014-05-19 | 2014-10-08 | 宁波方太厨具有限公司 | Upper air inlet type combustor for gas stove |
| CN205480983U (en) * | 2016-03-14 | 2016-08-17 | 宁波方太厨具有限公司 | Anti -overflow liquid cooking utensils combustor |
| WO2016145746A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner and gas appliance |
| CN106594724A (en) * | 2016-12-23 | 2017-04-26 | 宁波方太厨具有限公司 | Stove combustor |
| WO2017088590A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Inner annular flame distributor and gas stove |
| CN206958917U (en) * | 2017-06-24 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of burner for gas-cooker |
-
2017
- 2017-06-24 CN CN201710489599.3A patent/CN108006644B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122165A1 (en) * | 2007-04-10 | 2008-10-16 | Ningbo Fotile Kitchen Ware Co., Ltd | Multi-jet gas burner |
| CN203869034U (en) * | 2014-05-19 | 2014-10-08 | 宁波方太厨具有限公司 | Upper air inlet type combustor for gas stove |
| WO2016145746A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner and gas appliance |
| WO2017088590A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Inner annular flame distributor and gas stove |
| CN205480983U (en) * | 2016-03-14 | 2016-08-17 | 宁波方太厨具有限公司 | Anti -overflow liquid cooking utensils combustor |
| CN106594724A (en) * | 2016-12-23 | 2017-04-26 | 宁波方太厨具有限公司 | Stove combustor |
| CN206958917U (en) * | 2017-06-24 | 2018-02-02 | 宁波方太厨具有限公司 | A kind of burner for gas-cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108006644A (en) | 2018-05-08 |
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