CN103900086A - Efficient burner with hidden flame transfer channels - Google Patents
Efficient burner with hidden flame transfer channels Download PDFInfo
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- CN103900086A CN103900086A CN201410116688.XA CN201410116688A CN103900086A CN 103900086 A CN103900086 A CN 103900086A CN 201410116688 A CN201410116688 A CN 201410116688A CN 103900086 A CN103900086 A CN 103900086A
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Abstract
The invention discloses an efficient burner with hidden flame transfer channels. The efficient burner comprises a burner body, a flame cover holder, an inner circular cover, and an outer circular flame cover. A staged burning technique is adopted; a diffusion cavity is independently controlled through three ejector tubes; each tube controls one ring; the upper surface of the flame cover holder is provided with four protrusions; each protrusion comprises two rings communicated with corresponding rings of the diffusion cavity correspondingly; the lower surface of the outer circular flame cover is provided with four corresponding protrusions; each protrusion also comprises two rings, flame exits from the outer ring in a circular form, flame exits from the middle ring through channels, the middles of the protrusions are provided with secondary air oxygen-enhancing channels, and secondary air can be supplemented from the middle and inner rings through four notches; the upper surface of the outer circular flame cover is provided with no traditional-structured flame guide channel, and flame is transferred through the hidden flame transfer channels. The efficient burner is high in burning efficiency, produces low NOX and is truly an efficient low-NOX stove burner.
Description
Technical field
The present invention relates to gas-cooker atmospheric burner technical field, especially relate to the fiery groove burner with high efficiency of a kind of concealed biography.
Background technology
The efficient kitchen range of selling in the market and the kitchen range of common efficiency, general all by inner and outer rings fire control system, the drawback of this kind of structure maximum is in the time that burner forwards little fire to by big fire, outer shroud flame height slowly reduces, its thermal efficiency sharply reduces, thereby so-called " efficient kitchen range " can only just have efficient burning effect in the time using big fire at present.Because the cooking method of the domestic different styles of cooking is varied, if the power save mode in efficient burning in the time of big fire just, and when other state (as: moderate heat, little fiery state) and ordinary burner efficiency be more or less the same, therefore can not embody efficient advantage.Also having one is three ring fires, between interior ring and outer shroud, increased again a ring, but this three ring fires are three ring fires in surperficial meaning, in the time that firepower regulates, there will be middle ring and outer shroud with the little phenomenon in Datong District, can not in the time that firepower regulates, continue equally to keep high-effect.Can not realize independent control and the adjusting of three rings, accomplish the adjusted fire technology that different demands are provided for different user.
To the thermal efficiency, the lifting of the kitchen range thermal efficiency is subject to the limitation of combustion system, and the thermal efficiency promotes and has certain difficulty.The general method that promotes thermal effect has infrared combustion, grate building enclosure, swingfire burning and buries burner method.Its basic principle is all to improve ignition temperature, reduces heat loss as far as possible, makes firepower more concentrated, reaches the object that improves thermal effect.But its burner durability of gas-fired infrared is poor, and stability is bad; Grate building enclosure outward appearance is not ideal enough; Bury burner method not only sump temperature be higher, consumer clears up extremely inconvenient.
Kitchen range, promoting in the thermal efficiency, also will be considered NOX(nitrogen oxide in addition) growing amount, while how reducing kitchen range burning, the growing amount of NOX is also important research topic.The feasible low NOX control technology in current combustion device field has: lean burn technology, grading combustion technology, flame cooling body interpositioning, reduction thermal intensity of fire port technology, fire hole optimisation technique, radiation combustion technology, pulse-combustion technology; And these technology overwhelming majority are only applicable on gas heater burner.
Thereby be necessary to research and develop a kind of cooker burner of real efficient low NOX.
Summary of the invention
The deficiency existing for above-mentioned prior art, the object of this invention is to provide the fiery groove burner with high efficiency of a kind of concealed biography, adopt outer, in, the grading combustion technology independently controlled of interior three ring steam stoves, the form that fires of encircling in change, revolves not only but also throw middle ring fire, to improve the thermal efficiency of burner, this burner is also realized outer, middle ring section burning in addition, increase auxiliary air oxygenation groove, in realizing efficient burning, again optimize flame high-temperature region, thereby greatly reduce the generation of NOX.
To achieve these goals, the technical solution adopted in the present invention is:
The fiery groove burner with high efficiency of a kind of concealed biography, comprise burner body, fire cover seat, interior ring cowling and external ring fire cover, fire cover seat is located at the top of burner body, interior ring cowling and external ring fire cover are located at the top of fire cover seat, interior ring cowling is located at the ring inside of external ring fire cover, described burner body is provided with three layers of internal layer diffusion chamber, diffusion chamber, middle level and outer diffusion chamber of isolation mutually, and internal layer diffusion chamber, diffusion chamber, middle level and outer diffusion chamber are independently controlled by internal layer induction tunnel, middle level induction tunnel and outer induction tunnel respectively; The upper surface of described fire cover seat is provided with at least two lower protruding blocks, is equipped with lower inner ring groove and lower outer groove in each lower protruding block, lower inner ring groove and the diffusion chamber conducting of described middle level, lower outer groove and described outer diffusion chamber conducting; The lower surface of described external ring fire cover is provided with the upper protruding block corresponding with described lower protruding block, in each upper protruding block, be equipped with the upper inner ring groove corresponding with described lower inner ring groove and the upper outer groove corresponding with described lower outer groove, the lateral wall of upper outer groove is provided with some outer shroud fire holes, outer shroud fire hole and described outer diffusion chamber conducting, the madial wall of upper inner ring groove is provided with some middle ring fire grooves, middle ring fire groove and the diffusion chamber conducting of described middle level, described some middle ring fire grooves tilt or vertical distribution along clockwise direction or counterclockwise; Described interior ring cowling is provided with some interior ring fires hole, interior ring fire hole and described internal layer diffusion chamber conducting; Between two adjacent upper protruding blocks and/or between two adjacent lower protruding blocks, be formed with auxiliary air oxygenation groove; Described external ring fire cover is provided with the fiery groove of concealed biography, and described biography fire groove is the joint-cutting of being located at described upper protruding block side, and this joint-cutting is communicated with middle ring fire groove and outer shroud fire hole.
Preferably, described lower protruding block is provided with spacing draw-in groove, and described upper protruding block is provided with the fixture block coordinating with described spacing draw-in groove.
Preferably, described lower protruding block is four, and is circumference uniform distribution; Described upper protruding block is also four, and corresponding one by one with four described lower protruding blocks respectively.
Preferably, described outer shroud fire hole is circular fire hole, and described middle ring fire groove is skewed slot (or straight trough) shape fire groove.
Preferably, described interior ring cowling is cylinder, and the cylinder of interior ring cowling is provided with triangular groove, and described interior ring fire hole is positioned on the lower groove face of described triangular groove.
Preferably, described external ring fire cover is provided with the fiery groove of concealed biography, and described biography fire groove is the joint-cutting of being located at described upper protruding block side, and this joint-cutting is communicated with middle ring fire groove and outer shroud fire hole.
Adopt after technique scheme, the advantage that compared to the prior art the present invention had is:
The fiery groove burner with high efficiency of concealed biography of the present invention, adopt grading combustion technology, by former ordinary burner two independent gas circuits of controlling, make three independent gas circuits of controlling into, be that burner body is provided with three layers of internal layer diffusion chamber, diffusion chamber, middle level and outer diffusion chamber of isolation mutually, internal layer diffusion chamber, diffusion chamber, middle level and outer diffusion chamber are independently controlled by internal layer induction tunnel, middle level induction tunnel and outer induction tunnel respectively, and the corresponding fire cover seat of project organization, external ring fire cover and inner fire cover.Consider that firepower concentrates key element, consumer cook custom and reduce NOX formation mechanism, when design, with the main fire of middle ring flame, thermic load is the highest in three rings.Due to the Venturi tube injection primary air amount of conventional burners, can not meet large load demand on gas completely, so in the time of burning in dense burning.Therefore in order to make flame cooling fast, outer shroud thermic load is designed less, diffusion chamber design is simultaneously larger, is convenient to the more air capacity of Venturi tube injection, and combustion gas is evenly mixed in diffusion chamber with air, in the time burning in light burning.If this structure is in the time that three rings burn simultaneously, in burner, ring, in dense burning, is in the inner and outer rings of middle ring both sides simultaneously, is in light fired state, rapidly middle ring flame temperature is reduced, thereby NOX growing amount is obviously reduced.
First, compared with prior art, the present invention by outer, in, the independent adjustings of interior three rings, the form that fires of encircling in change, middle ring fire is revolved not only but also throw, main firepower is moved to burner middle part, flame is gathered in the middle of the bottom of a pan as far as possible, it is the main way that improves the thermal efficiency that middle ring flame produces heat accumulation, increase by a circle flame at outer shroud, produce wall with flues one, the heat loss of encircling in reduction, promotes the thermal efficiency greatly.
Secondly, in order to make burning more abundant, middle ring and interior ring better supplement auxiliary air, the present invention adopts sectional combustion, between two adjacent upper protruding blocks and/or between two adjacent lower protruding blocks, be formed with auxiliary air oxygenation groove, carrying out supplementing of auxiliary air by the breach between projection, in realizing efficient burning, again optimize flame high-temperature region, greatly fall the generation of NOX.
Moreover the fire cover of cooker burner of the prior art, in order to make flame pass to outer ring from inner ring, or pass to centre circle from inner ring, or pass to outer ring from centre circle, and generally all open the fire tank of 0.6-0.8 millimeter at the upper surface of fire cover, complete flame transmission by this fire tank.Fire tank structure can realize the transmission of flame really easily, but the structure of fire tank can increase the content of CO in high-temperature flue gas, in addition, fire cover self-temperature in the time of fired state is higher, fire tank place structurally, in absolute weak location, adds use habit, and hot and cold water impacts, long-term use can make fire cover start distortion from the weakest place, starts distortion from fire tank.Distortion fit clearance rear and fire cover seat changes, and increases tempering probability, brings potential safety hazard.And the upper surface of external ring fire cover of the present invention is without the fire tank of traditional structure, the transmission of the flame joint-cutting of the upper protruding block side by large fire cover completes, and efficiently solves the existing problem of fire tank of the prior art.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the structural representation that the present invention decomposes.
Fig. 2 is the structural representation that the present invention assembles.
Fig. 3 is the structural representation of external ring fire cover of the present invention.
Fig. 4 is the structural representation of external ring fire cover reverse side of the present invention.
Fig. 5 is the structural representation in A-A cross section in Fig. 4.
Fig. 6 is the structural representation of external ring fire cover of the present invention side.
Fig. 7 is the structural representation in B-B cross section in Fig. 6.
In figure, 1: burner body; 11: internal layer diffusion chamber; 12: diffusion chamber, middle level; 13: outer diffusion chamber; 14: internal layer induction tunnel; 15: middle level induction tunnel; 16: outer induction tunnel; 2: fire cover seat; 21: lower protruding block; 22: lower inner ring groove; 23: lower outer groove; 24: spacing draw-in groove; 3: external ring fire cover; 31: upper protruding block; 32: upper inner ring groove; 33: upper outer groove; 34: outer shroud fire hole; 35: middle ring fire groove; 36: auxiliary air oxygenation groove; 37: pass fiery groove; 38: fixture block; 39: fuel gas inlet; 4: interior ring cowling; 41: triangular groove; 42: interior ring fire hole.
The specific embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment, is shown in shown in Fig. 1 to Fig. 7:
The fiery groove burner with high efficiency of a kind of concealed biography, comprise burner body 1, fire cover seat 2, interior ring cowling 4, external ring fire cover 3, fire cover seat 2 is located at the top of burner body 1, interior ring cowling 4 and external ring fire cover 3 are located at the top of fire cover seat 2, interior ring cowling 4 is located at the ring inside of external ring fire cover 3, described burner body 1 is provided with three layers of internal layer diffusion chamber 11, diffusion chamber, middle level 12 and outer diffusion chamber 13 of isolation mutually, and internal layer diffusion chamber 11, diffusion chamber, middle level 12 and outer diffusion chamber 13 are respectively by internal layer induction tunnel 14, middle level induction tunnel 15 and the independent control of outer induction tunnel 16.
The upper surface of fire cover seat 2 is provided with at least two lower protruding blocks 21, is equipped with lower inner ring groove 22 and lower outer groove 23 in each lower protruding block 21, lower inner ring groove 22 and diffusion chamber 12 conductings of described middle level, lower outer groove 23 and chamber 13 conductings of described outer diffusion.
The lower surface of external ring fire cover 3 is provided with the upper protruding block corresponding with lower protruding block 21 31, in each upper protruding block 31, be equipped with the upper inner ring groove 32 corresponding with described lower inner ring groove 22 and the upper outer groove 33 corresponding with described lower outer groove 23, the lateral wall of upper outer groove 33 is provided with some outer shroud fire holes 34, outer shroud fire hole 34 and chamber 13 conductings of described outer diffusion, outer shroud fire hole 34 is circular fire hole, the mode of firing of outer shroud is that circle fires, the madial wall of upper inner ring groove 32 is provided with some middle ring fire grooves 35, middle ring fire groove 35 and diffusion chamber 12 conductings of described middle level, middle ring fire groove 35 is skewed slot (or straight type) shape fire groove, some middle ring fire grooves 35 tilt along clockwise direction or counterclockwise (or straight type distributes), the some middle ring fire grooves 35 of the present embodiment tilt along clockwise direction, the form of firing that makes middle ring is that flute profile fires.
In the present embodiment, lower protruding block 21 is four, and is circumference uniform distribution, and upper protruding block 31 is also four, and corresponding one by one with four described lower protruding blocks 21 respectively.By outer, in, the independent adjustings of interior three rings, the form that fires of encircling in change, middle ring fire is revolved not only but also throw, main firepower is moved to burner middle part, flame is gathered in the middle of the bottom of a pan as far as possible, it is the main way that improves the thermal efficiency that middle ring flame produces heat accumulation, increase by a circle flame at outer shroud, produce wall with flues one, the heat loss of encircling in reduction, promotes the thermal efficiency greatly.
Between two adjacent upper protruding blocks 31 and/or between two adjacent lower protruding blocks 21, be formed with auxiliary air oxygenation groove 36; In order effectively to supplement auxiliary air, four protruding mid portions are auxiliary air oxygenation groove 36, can carry out by four breach the supplementing of auxiliary air of middle ring and interior ring.In realizing efficient burning, again optimize flame high-temperature region, the generation of NOX is fallen greatly.
External ring fire cover 4 is provided with the fiery groove of concealed biography, and concealed biography fire groove is the joint-cutting of being located at described upper protruding block 31 sides, and this joint-cutting is communicated with middle ring fire groove 35 and outer shroud fire hole 34.The upper surface of external ring fire cover 4 is without the fire tank of traditional structure, and the transmission of the flame joint-cutting of upper protruding block 31 sides by large fire cover completes, and the fiery groove of concealed biography is positioned at upper protruding block 31 sides, is not vulnerable to thermal shock, thereby is difficult for producing distortion.Can not affect coordinating of external ring fire cover 3 and fire cover seat 2 even if the present embodiment fire tank produces distortion, can not produce tempering phenomenon yet, safe and reliable.Particularly, upper protruding block 31 sides are provided with projection, and this projection is provided with two fuel gas inlets, 39, two fuel gas inlets 39 and lays respectively in outer groove 33 and upper inner ring groove 32, at the bottom of the hole of joint-cutting and this two fuel gas inlet 39, are communicated with.
Further, lower protruding block 21 is provided with spacing draw-in groove 24, upper protruding block 31 is provided with the fixture block 38 coordinating with spacing draw-in groove 24, external ring fire cover 3 is by the limited top that is arranged at fire cover seat 2 of cooperation of fixture block 38 and spacing draw-in groove 24, the cooperation of fixture block 38 and spacing draw-in groove 24 can be played the effect of external ring fire cover 4 location and installation, also can prevent that external ring fire cover 4 from rotating on fire cover seat 2.
The fiery groove burner with high efficiency of this concealed biography, outward,, interior three ring flames can control separately by three induction tunnels, its combustion system be outer in the burning simultaneously of three rings, in the burning simultaneously of two rings, interior ring burns separately, no matter in big fire or the combustion system of little fire, all having higher efficiency of combustion and lower NOX generation, is the cooker burner of a efficient low NOX truly.
The above is only preferred embodiments of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (5)
1. the fiery groove burner with high efficiency of concealed biography, comprise burner body (1), fire cover seat (2), interior ring cowling (4) and external ring fire cover (3), fire cover seat (2) is located at the top of burner body (1), interior ring cowling (4) and external ring fire cover (3) are located at the top of fire cover seat (2), interior ring cowling (4) is located at the ring inside of external ring fire cover (3), it is characterized in that:
Described burner body (1) is provided with three layers of internal layer diffusion chamber (11), diffusion chamber, middle level (12) and outer diffusion chamber (13) of isolation mutually, and internal layer diffusion chamber (11), diffusion chamber, middle level (12) and outer diffusion chamber (13) are controlled by internal layer induction tunnel (14), middle level induction tunnel (15) and outer induction tunnel (16) are independent respectively;
The upper surface of described fire cover seat (2) is provided with at least two lower protruding blocks (21), in each lower protruding block (21), be equipped with lower inner ring groove (22) and lower outer groove (23), lower inner ring groove (22) and diffusion chamber, described middle level (12) conducting, lower outer groove (23) and described outer diffusion chamber (13) conducting, the lower surface of described external ring fire cover (3) is provided with the upper protruding block (31) corresponding with described lower protruding block (21), in each upper protruding block (31), be equipped with the upper inner ring groove (32) corresponding with described lower inner ring groove (22) and the upper outer groove (33) corresponding with described lower outer groove (23), the lateral wall of upper outer groove (33) is provided with some outer shroud fire holes (34), outer shroud fire hole (34) and described outer diffusion chamber (13) conducting, the madial wall of upper inner ring groove (32) is provided with some middle ring fire grooves (35), middle ring fire groove (35) and diffusion chamber, described middle level (12) conducting, described some middle ring fire grooves (35) tilt or vertical distribution along clockwise direction or counterclockwise, described interior ring cowling (4) is provided with some interior ring fires holes (42), interior ring fire hole (42) and described internal layer diffusion chamber (11) conducting,
Between two adjacent upper protruding blocks (31) and/or between two adjacent lower protruding blocks (21), be formed with auxiliary air oxygenation groove (36);
Described external ring fire cover (3) is provided with the fiery groove of concealed biography (37), and the fiery groove of described biography (37) is for being located at the joint-cutting of described upper protruding block (31) side, and this joint-cutting is communicated with middle ring fire groove (35) and outer shroud fire hole (34).
2. the fiery groove burner with high efficiency of concealed biography according to claim 1, is characterized in that: described lower protruding block (21) is provided with spacing draw-in groove (24), described upper protruding block (31) is provided with the fixture block (38) coordinating with described spacing draw-in groove (24).
3. the fiery groove burner with high efficiency of concealed biography according to claim 1, is characterized in that: described lower protruding block (21) is four, and is circumference uniform distribution; Described upper protruding block (31) is also four, and corresponding one by one with four described lower protruding blocks (21) respectively.
4. the fiery groove burner with high efficiency of concealed biography according to claim 1, is characterized in that: described outer shroud fire hole (34) is circular fire hole, and described middle ring fire groove (35) is oblique slot fire groove.
5. the fiery groove burner with high efficiency of concealed biography according to claim 1, it is characterized in that: described interior ring cowling (4) is cylinder, the cylinder of interior ring cowling (4) is provided with triangular groove (41), and described interior ring fire hole (42) is positioned on the lower groove face of described triangular groove (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410116688.XA CN103900086B (en) | 2014-03-26 | 2014-03-26 | The fiery groove burner with high efficiency of a kind of concealed biography |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116688.XA CN103900086B (en) | 2014-03-26 | 2014-03-26 | The fiery groove burner with high efficiency of a kind of concealed biography |
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| CN103900086A true CN103900086A (en) | 2014-07-02 |
| CN103900086B CN103900086B (en) | 2015-12-30 |
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|---|---|---|---|---|
| CN106765110A (en) * | 2016-12-07 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of burner fire lid and burner and gas kitchen ranges |
| CN107062228A (en) * | 2017-01-17 | 2017-08-18 | 中山市华创燃具制造有限公司 | A kind of high-power three fire-ring stove burner |
| CN107655005A (en) * | 2017-11-13 | 2018-02-02 | 杭州老板电器股份有限公司 | Small fire cover combined structure and kitchen range |
| CN108087914A (en) * | 2018-01-16 | 2018-05-29 | 江苏蓝动电器有限公司 | A kind of clamshell gas-cooker |
| US9995482B2 (en) | 2015-11-13 | 2018-06-12 | Haier Us Appliance Solutions, Inc. | Gas burner assembly |
| CN109424956A (en) * | 2017-09-01 | 2019-03-05 | 宁波方太厨具有限公司 | Burner suitable for tip bottom pot |
| CN110207127A (en) * | 2018-07-26 | 2019-09-06 | 华帝股份有限公司 | Special-shaped fire distributor and combustor |
| CN110388641A (en) * | 2018-04-19 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of efficient gas burner |
| CN110440247A (en) * | 2018-05-04 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of gas burner |
| CN110440257A (en) * | 2018-05-04 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of stable gas burner for passing fire |
| CN112856425A (en) * | 2021-01-08 | 2021-05-28 | 宁波方太厨具有限公司 | Stove burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108087914A (en) * | 2018-01-16 | 2018-05-29 | 江苏蓝动电器有限公司 | A kind of clamshell gas-cooker |
| CN110388641A (en) * | 2018-04-19 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of efficient gas burner |
| CN110440257A (en) * | 2018-05-04 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of stable gas burner for passing fire |
| CN110440247A (en) * | 2018-05-04 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of gas burner |
| CN110207127A (en) * | 2018-07-26 | 2019-09-06 | 华帝股份有限公司 | Special-shaped fire distributor and combustor |
| CN112856425B (en) * | 2021-01-08 | 2022-04-15 | 宁波方太厨具有限公司 | Stove burner |
| CN112856425A (en) * | 2021-01-08 | 2021-05-28 | 宁波方太厨具有限公司 | Stove burner |
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Address after: 315500 Zhejiang city of Ningbo province Fenghua City Jiangkou Bridge Industrial Zone No. 25 Fang Xin Lu Patentee after: NINGBO ANJA KITCHEN SYSTEM CO., LTD. Address before: 315500 Zhejiang city of Ningbo province Jiangkou Bridge Industrial Zone No. 25 Fang Xin Lu Patentee before: NINGBO ANJA KITCHEN SYSTEM CO., LTD. |