CN112443841A - Upper air inlet burner - Google Patents
Upper air inlet burner Download PDFInfo
- Publication number
- CN112443841A CN112443841A CN201910835801.2A CN201910835801A CN112443841A CN 112443841 A CN112443841 A CN 112443841A CN 201910835801 A CN201910835801 A CN 201910835801A CN 112443841 A CN112443841 A CN 112443841A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- cavity
- inner ring
- burner
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- 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
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- 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
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
Abstract
The invention discloses an upper air inlet burner, which comprises: an inner ring fire cover, an outer ring fire cover and a gas distribution plate; the gas distribution plate comprises: the outer ring injection pipe, the inner ring injection pipe, the outer ring cavity and the inner ring cavity; the outer ring injection pipe is connected to the outer ring cavity, the inner ring injection pipe is connected to the inner ring cavity, the outer ring cavity is used for supplying air to the outer ring fire cover, and the inner ring cavity is used for supplying air to the inner ring fire cover; the outer loop cavity is the loop configuration, and the inner ring cavity is located inside the loop configuration of outer loop cavity, and the inner ring draws the middle section crossing arrangement of penetrating pipe and outer loop cavity, and the outer loop cavity is along the air inlet direction convergent in the outer loop cavity. This last air inlet burner passes through the inner ring and draws the crisscross arrangement of penetrating pipe and outer loop cavity, has increased the volume of outer loop cavity and has realized the convergent structure of outer loop cavity simultaneously in finite space, is favorable to the equipartition of outer loop air current to improve flame burning's stability.
Description
Technical Field
The invention relates to the field of household cookers, in particular to an upper air inlet burner.
Background
At present, domestic air inlet burners are various and are derived from different primary air inlet structures, and Italian Sabaff burners and domestic Xunda burners with completely mature technologies are most representative. The burner is of a metal plate structure, the load of the furnace end is small, and the daily requirement of heavy-load quick-frying cannot be met.
The existing upper air inlet burner generally adopts an inner ring fire cover and an outer ring fire cover to respectively feed air, but the volume of the burner is overlarge or the air inlet of the outer ring cavity is uneven due to the mutual interference of the inner ring ejector and the outer ring cavity. For example, in the overhead burner of chinese patent application CN207762894U, the main fire injection pipe 6 and the small fire injection pipe 4 both occupy the space of the combustion chamber 8, so that the gas distribution in the combustion chamber 8 is not uniform, which may affect the combustion stability of the flame of the outer ring fire cover.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an upper air inlet burner.
The invention solves the technical problems through the following technical scheme:
an upper intake air burner, comprising: an inner ring fire cover, an outer ring fire cover and a gas distribution plate;
the gas distribution plate comprises: the outer ring injection pipe, the inner ring injection pipe, the outer ring cavity and the inner ring cavity;
the outer ring injection pipe is connected to the outer ring cavity, the inner ring injection pipe is connected to the inner ring cavity, the outer ring cavity is used for supplying air to the outer ring fire cover, and the inner ring cavity is used for supplying air to the inner ring fire cover;
the outer ring cavity is of an annular structure, the inner ring cavity is located inside the annular structure of the outer ring cavity, the inner ring injection pipe and the middle section of the outer ring cavity are arranged in a crossed mode, and the outer ring cavity is gradually reduced along the air inlet direction in the outer ring cavity.
Preferably, the outer ring ejector pipe and the inner ring ejector pipe are arranged vertically.
Preferably, the gas outlet end of the outer ring chamber extends to the gas outlet end of the outer ring ejector pipe.
Preferably, the upper air inlet burner further comprises a base for supporting the air distributor.
Preferably, the base is a tripod structure, and two end points of the base are respectively provided with an inner ring nozzle and an outer ring nozzle.
Preferably, a thermocouple and an ignition needle are arranged on the base.
Preferably, a flow equalizing plate is further arranged in the outer ring chamber and used for equalizing the gas supplied from the outer ring chamber to the outer ring fire cover.
Preferably, the flow equalizing plate is an annular plate, the outer peripheral edge of the annular plate is connected to the inner wall of the outer ring chamber, and a uniform gap is formed between the inner peripheral edge of the annular plate and the inner wall of the outer ring chamber.
Preferably, the outer ring ejector pipe forms an inclination angle of 3 degrees along the air inlet direction of the outer ring ejector pipe;
and/or the presence of a gas in the gas,
the inner ring ejector pipe forms an inclination angle of 5 degrees along the air inlet direction of the inner ring ejector pipe.
Preferably, the lower part of the air inlet of the inner ring injection pipe is provided with a drainage groove.
The positive progress effects of the invention are as follows: this last air inlet burner passes through the inner ring and draws the crisscross arrangement of penetrating pipe and outer loop cavity, has increased the volume of outer loop cavity and has realized the convergent structure of outer loop cavity simultaneously in finite space, is favorable to the equipartition of outer loop air current to improve flame burning's stability.
Drawings
Fig. 1 is a perspective view of an upper intake burner according to a preferred embodiment of the present invention.
Fig. 2 is an exploded view of an upper intake burner according to a preferred embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an upper intake burner according to a preferred embodiment of the present invention.
Fig. 4 is another sectional structure view of an upper intake burner according to a preferred embodiment of the present invention.
Fig. 5 is a schematic bottom view of the air distributor according to the preferred embodiment of the present invention.
Fig. 6 is a perspective view of a base according to a preferred embodiment of the present invention.
Description of reference numerals:
Outer ring fire cover 110
Inner ring fire cover 120
Outer ring injection pipe 141
Inner ring ejector tube 142
Thermocouple 151
Detailed Description
The present invention is further illustrated by way of example and not by way of limitation in the scope of the following examples in connection with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation of the device or component in normal use, for convenience in describing the invention and for simplicity of description, and do not indicate or imply that the device or component so referred to must at any time have a particular orientation, be constructed in a particular orientation, and be operated unless otherwise indicated herein.
As shown in fig. 1 to 6, the upper intake burner 100 includes: the outer ring fire cover 110, the inner ring fire cover 120, the flow equalizing plate 130, the gas distributing plate 140 and the base 150.
The inner ring fire cover 120 is provided at the center of the outer ring fire cover 110.
The gas distribution plate 140 includes: an outer ring ejector pipe 141, an inner ring ejector pipe 142, an outer ring chamber 143, and an inner ring chamber 144.
The outer ring ejector pipe 141 is connected to the outer ring chamber 143, the inner ring ejector pipe 142 is connected to the inner ring chamber 144, the outer ring chamber 143 is used for supplying air to the outer ring fire cover 110, and the inner ring chamber 144 is used for supplying air to the inner ring fire cover 120.
The outer ring chamber 143 is an annular structure, the inner ring chamber 144 is located at the center of the annular structure of the outer ring chamber 143 (the center does not refer to the exact center of the annular structure, and may be a position deviating from the exact center), the inner ring ejector pipe 142 is arranged across the middle section of the outer ring chamber 143, and the outer ring chamber 143 is tapered along the air intake direction in the outer ring chamber 143.
This last air inlet burner 100 draws the staggered arrangement of penetrating pipe 142 and outer loop cavity 143 through the inner ring, has increased the volume of outer loop cavity 143 and has realized the convergent structure of outer loop cavity 143 simultaneously in finite space, is favorable to the equipartition of outer loop air current to improve the combustion stability of flame.
As shown in fig. 5, in the present embodiment, the outer ring ejection pipe 141 is arranged perpendicular to the inner ring ejection pipe 142. Because the convergent structure of outer loop cavity 143, along the direction of admitting air of outer loop cavity 143 (the arrow in fig. 5 shows), outer loop cavity 143 lets the space of leaving out bigger and bigger, and set up the inner ring in the outer loop and draw the pipe 141 vertical direction and draw the pipe 142 and can effectively utilize the space of should letting out, the inner ring draws the pipe 142 and just supports and lean on in the shell of outer loop cavity 143 and can not leave the space, and the inner ring draws the pipe 142 and the outer loop to draw the air inlet of pipe 141 to separate one section distance each other, prevent that the two from admitting air and producing and interfering.
The air outlet end of the outer ring cavity 143 extends to the air outlet end of the outer ring ejector tube 141, so that the outer ring cavity 143 just forms a ring shape, and an annular air mixing chamber is provided for the outer ring fire cover 110, so as to uniformly supply air to the outer ring fire cover 110.
The inner annular chamber 144 is a generally cylindrical space surrounded by the outer annular chamber 143, but isolated from the outer annular chamber 143, and does not directly communicate with each other.
The gas distribution plate 140 further includes a decorative eaves 145, and the inner ring cavity 144 and the outer ring cavity 143 are shielded under the decorative eaves 145. The decorative eave 145 may cover structures such as nozzle block ejector pipes, and a longer ejector may be arranged in a limited space to enhance the ejector capacity of the inner and outer ring ejectors. The decorative eaves 145 can simultaneously separate primary air from secondary air, control the supply of the primary air and the secondary air, and optimize the air flow distribution.
As shown in fig. 3, a flow equalizing plate 130 is further disposed in the outer ring chamber 143, and the flow equalizing plate 130 is used for equalizing the gas supplied from the outer ring chamber 143 to the outer ring fire cover 110.
The flow equalizing plate 130 is an annular plate whose outer peripheral edge is connected to the inner wall of the outer ring chamber 143, and a uniform gap 131 is formed between the inner peripheral edge of the annular plate and the inner wall of the outer ring chamber 143.
The gas introduced into the outer ring chamber 143 enters the fire holes of the outer ring fire cover 110 through the slits 131.
As shown in fig. 6, the upper inlet burner 100 further includes a base 150, and the base 150 is used to support the gas distribution plate 140.
The base 150 has a tripod structure, and the inner ring nozzle 154 and the outer ring nozzle 153 are respectively disposed at two end points of the base 150. The triangular shape provides stability and better support for the upper structure of the upper inlet burner 100. The inner ring injection pipe 142 and the outer ring injection pipe 141 form a certain angle, and the inner ring nozzle 154 and the outer ring nozzle 153 are respectively arranged at two end points of the triangle, so that the angle can be formed just.
The base 150 is provided with a thermocouple 151 and an ignition needle 152 for igniting the upper intake burner 100. The thermocouple 151 and the ignition needle 152 form a hidden ignition structure, the thermocouple 151 and the ignition needle 152 are hidden under the inner ring ignition cover 120, a concave part is formed on the inner circumference of the inner ring ignition cover 120, and the ignition needle 152 is arranged in the concave part.
In this embodiment, the fire hole of the outer ring fire cover 110 is opened at the outer peripheral wall of the outer ring fire cover 110, and the outer ring fire cover 110 is provided with a fire transfer groove 111, and the fire transfer groove 111 is used for guiding the fire of the inner ring fire cover 120 to the fire hole of the outer ring fire cover 110.
The outer ring ejector pipe 141 forms an inclination angle of 3 ° along the air intake direction of the outer ring ejector pipe 141. Thus, the outer ring ejector pipe 141 forms an expanded structure, the connection position of the outer ring ejector pipe 141 and the outer ring chamber 143 is the maximum cross-sectional area of the outer ring chamber 143, and then the cross-sectional area of the outer ring chamber 143 is gradually reduced.
The inner ring ejector pipe 142 forms an inclination angle of 5 ° along the air intake direction of the inner ring ejector pipe 142.
The lower part of the air inlet of the inner ring ejector pipe 142 is provided with a drainage groove 146. The proximal end of the drainage groove 146 is provided with a positioning and supporting structure matched with the furnace end supporting seat. The drainage groove 146 can prevent the overflowing liquid from entering the furnace end from blocking the nozzle, and can avoid the interference between the nozzle and the ejector, and the drainage groove can be used as an auxiliary positioning to facilitate the self-assembly of the furnace end after being cleaned by a user.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. An upper intake burner, comprising: an inner ring fire cover, an outer ring fire cover and a gas distribution plate;
the gas distribution plate comprises: the outer ring injection pipe, the inner ring injection pipe, the outer ring cavity and the inner ring cavity;
the outer ring injection pipe is connected to the outer ring cavity, the inner ring injection pipe is connected to the inner ring cavity, the outer ring cavity is used for supplying air to the outer ring fire cover, and the inner ring cavity is used for supplying air to the inner ring fire cover;
the outer ring cavity is of an annular structure, the inner ring cavity is located inside the annular structure of the outer ring cavity, the inner ring injection pipe and the middle section of the outer ring cavity are arranged in a crossed mode, and the outer ring cavity is gradually reduced along the air inlet direction in the outer ring cavity.
2. The upper intake burner of claim 1, wherein the outer annular ejector tube is arranged perpendicular to the inner annular ejector tube.
3. The upper inlet air burner of claim 1 wherein the outlet end of the outer ring chamber extends to the outlet end of the outer ring eductor tube.
4. The upper inlet air burner of claim 2, further comprising a base for supporting the gas distributor tray.
5. The upper intake burner of claim 4, wherein the base is of a tripod structure, and both end points of the base are provided with an inner ring nozzle and an outer ring nozzle, respectively.
6. The upper intake burner of claim 4, wherein the base is provided with a thermocouple and an ignition pin.
7. The upper intake burner of claim 1, wherein a flow equalizing plate is further provided in the outer ring chamber for equalizing gas supplied from the outer ring chamber to the outer ring burner cap.
8. The upper intake burner of claim 7, wherein the flow equalizing plate is an annular plate having an outer peripheral edge connected to the inner wall of the outer ring chamber, the inner peripheral edge of the annular plate forming a uniform gap with the inner wall of the outer ring chamber.
9. The upper intake burner of claim 1, wherein the outer ring ejector tube forms an inclination angle of 3 ° along an intake direction of the outer ring ejector tube;
and/or the presence of a gas in the gas,
the inner ring ejector pipe forms an inclination angle of 5 degrees along the air inlet direction of the inner ring ejector pipe.
10. The upper inlet air burner of claim 1, wherein a discharge chute is provided at a lower portion of the inlet of the inner ring injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835801.2A CN112443841B (en) | 2019-09-05 | 2019-09-05 | Upper air inlet burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835801.2A CN112443841B (en) | 2019-09-05 | 2019-09-05 | Upper air inlet burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112443841A true CN112443841A (en) | 2021-03-05 |
| CN112443841B CN112443841B (en) | 2021-11-26 |
Family
ID=74733504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835801.2A Active CN112443841B (en) | 2019-09-05 | 2019-09-05 | Upper air inlet burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112443841B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004093086A (en) * | 2002-09-04 | 2004-03-25 | Kanto Yakin Kogyo Co Ltd | Single end type combustion burner of heating furnace |
| CN1932381A (en) * | 2006-09-30 | 2007-03-21 | 谭六明 | Top air intake gas stove burner |
| KR100773101B1 (en) * | 2006-05-25 | 2007-11-02 | 린나이코리아 주식회사 | Shield type burner |
| CN201034319Y (en) * | 2007-05-11 | 2008-03-12 | 宁波方太厨具有限公司 | Modified multi-cavity integral burner |
| CN101178177A (en) * | 2007-04-10 | 2008-05-14 | 宁波方太厨具有限公司 | Multiple jet streams gas combustion burner |
| CN201237216Y (en) * | 2008-04-01 | 2009-05-13 | 汪华庆 | Combustor of gas kitchen range with upper air inlet |
| CN201925923U (en) * | 2011-01-05 | 2011-08-10 | 广东祥基电器有限公司 | Upper air inlet type stove burner |
| CN202392799U (en) * | 2011-12-16 | 2012-08-22 | 中山万和电器有限公司 | Complete upper air inlet stove combustor |
| CN202852815U (en) * | 2012-09-14 | 2013-04-03 | 广东万和电气有限公司 | Cooking appliances burner with upper air inlet |
| CN203413631U (en) * | 2013-04-20 | 2014-01-29 | 浙江皇中皇电器有限公司 | Full upper air inlet three-nozzle burner provided with multiple injection systems |
| CN103557525A (en) * | 2013-10-21 | 2014-02-05 | 宁波方太厨具有限公司 | Burner |
| EP3299716A1 (en) * | 2016-09-26 | 2018-03-28 | Grand Mate Co., Ltd. | Burner for gas apparatus |
| CN207635339U (en) * | 2017-12-26 | 2018-07-20 | 宁波方太厨具有限公司 | A kind of burner for gas-cooker |
| CN208042134U (en) * | 2018-03-14 | 2018-11-02 | 宁波风腾燃具有限公司 | A kind of upper inlet wind high-power burner |
| CN108758631A (en) * | 2018-07-26 | 2018-11-06 | 广东万家乐厨房科技有限公司 | A kind of upward-air-feeding type stove combustor and kitchen range |
| CN109000239A (en) * | 2018-09-04 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner |
| CN208764924U (en) * | 2018-05-09 | 2019-04-19 | 宁波风腾燃具有限公司 | A kind of novel upper wind inlet type burner |
-
2019
- 2019-09-05 CN CN201910835801.2A patent/CN112443841B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004093086A (en) * | 2002-09-04 | 2004-03-25 | Kanto Yakin Kogyo Co Ltd | Single end type combustion burner of heating furnace |
| KR100773101B1 (en) * | 2006-05-25 | 2007-11-02 | 린나이코리아 주식회사 | Shield type burner |
| CN1932381A (en) * | 2006-09-30 | 2007-03-21 | 谭六明 | Top air intake gas stove burner |
| CN101178177A (en) * | 2007-04-10 | 2008-05-14 | 宁波方太厨具有限公司 | Multiple jet streams gas combustion burner |
| CN201034319Y (en) * | 2007-05-11 | 2008-03-12 | 宁波方太厨具有限公司 | Modified multi-cavity integral burner |
| CN201237216Y (en) * | 2008-04-01 | 2009-05-13 | 汪华庆 | Combustor of gas kitchen range with upper air inlet |
| CN201925923U (en) * | 2011-01-05 | 2011-08-10 | 广东祥基电器有限公司 | Upper air inlet type stove burner |
| CN202392799U (en) * | 2011-12-16 | 2012-08-22 | 中山万和电器有限公司 | Complete upper air inlet stove combustor |
| CN202852815U (en) * | 2012-09-14 | 2013-04-03 | 广东万和电气有限公司 | Cooking appliances burner with upper air inlet |
| CN203413631U (en) * | 2013-04-20 | 2014-01-29 | 浙江皇中皇电器有限公司 | Full upper air inlet three-nozzle burner provided with multiple injection systems |
| CN103557525A (en) * | 2013-10-21 | 2014-02-05 | 宁波方太厨具有限公司 | Burner |
| EP3299716A1 (en) * | 2016-09-26 | 2018-03-28 | Grand Mate Co., Ltd. | Burner for gas apparatus |
| CN207635339U (en) * | 2017-12-26 | 2018-07-20 | 宁波方太厨具有限公司 | A kind of burner for gas-cooker |
| CN208042134U (en) * | 2018-03-14 | 2018-11-02 | 宁波风腾燃具有限公司 | A kind of upper inlet wind high-power burner |
| CN208764924U (en) * | 2018-05-09 | 2019-04-19 | 宁波风腾燃具有限公司 | A kind of novel upper wind inlet type burner |
| CN108758631A (en) * | 2018-07-26 | 2018-11-06 | 广东万家乐厨房科技有限公司 | A kind of upward-air-feeding type stove combustor and kitchen range |
| CN109000239A (en) * | 2018-09-04 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112443841B (en) | 2021-11-26 |
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