CN105202541B - A kind of stable flame combusting device - Google Patents
A kind of stable flame combusting device Download PDFInfo
- Publication number
- CN105202541B CN105202541B CN201510665690.7A CN201510665690A CN105202541B CN 105202541 B CN105202541 B CN 105202541B CN 201510665690 A CN201510665690 A CN 201510665690A CN 105202541 B CN105202541 B CN 105202541B
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- chamber
- inner ring
- interior
- mixing chamber
- periphery
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Abstract
A kind of stable flame combusting device, including pedestal, and inner ring mixing chamber and outer shroud mixing chamber on pedestal, the interior induction tunnel connected with inner ring mixing chamber and the outer induction tunnel connected with outer shroud mixing chamber, interior ring fire cover and external ring fire cover, the top surface of the interior ring fire cover is provided with center fire hole and the periphery fire hole around center fire hole positioned at center, gas channel between the interior ring fire cover and interior induction tunnel is spaced to form the central lumen positioned at center and the periphery chamber around central lumen, connected between the central lumen and periphery chamber by the passage on the perisporium of central lumen, and the pressure of air-flow is less than the stream pressure of periphery chamber in central lumen.Static pressure chamber of the stable flame combusting device formation positioned at center, and decompression deceleration is carried out to the air-flow in static pressure chamber, and then causes the flame stabilization of the center fire hole of interior ring fire cover, plays a part of steady flame, so that the flame of ring fire cover is more stablized in whole, the generation of anti-anti-avulsion fire.
Description
Technical field
The present invention relates to a kind of burner.
Background technology
The burner of existing gas kitchen ranges, is generally provided with outer ring fire cover and inner-ring fire cover, and wherein inner-ring fire cover is general
In cylinder, multiple circular fire holes are circumferentially offered in the side wall of cylinder, these fire holes typically with horizontal mask
There is angle, angle is 20-40 degree.During this burner operation, the substantially oblique outer ejection of interior ring flame is formed when being contacted with the bottom of a pan
The heating collar of ring-type, therefore, is easily caused the bottom of a pan heating uneven.The inner ring combustion gas of other this burner is due to without too slow
Punching directly sprays from the fire hole of inner-ring fire cover, thus the air velocity at fire hole is very fast, and interior ring flame is difficult steady flame.
Therefore in order to stablize flame, stable flame hole or steady flame groove, such as Chinese patent are set generally on inner-ring fire cover
The stable flame combusting device suitable for gas kitchen ranges disclosed in CN104132345A, below the fire hole of the fire cover of burner be provided with
The connected steady flame groove of a ring shape of mixing chamber in fire cover, and Chinese patent CN201437995U disclose a kind of gas-cooker
Integral flame stabilizing burner cap, fire cover is installed on gas separating seat, is offered and is opened up on main fire hole and airflow hole, the perisporium of fire cover in fire cover
There is steady flame groove, steady flame groove is connected with airflow hole, steady flame groove is away from gas separating seat, and fire cover is the shell with pressure gas chamber of open at its lower end
Body, steady flame groove is connected by airflow hole with pressure gas chamber.Such steady flame groove plays the flame for holding fire hole and made
Obtain the effect of the flame stabilization of fire hole.But such steady flame slot structure, not only process relatively difficult, requirement on machining accuracy compared with
Height, nor be easy to clean and clean, can often it block.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of steady flame effect it is good and process simply be easy to the steady of volume production
Flame burner.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of stable flame combusting device, including pedestal, and
In being also associated with connecting with inner ring mixing chamber below inner ring mixing chamber and outer shroud mixing chamber on pedestal, the pedestal
Induction tunnel and the outer induction tunnel connected with outer shroud mixing chamber, the inner ring mixing chamber are provided with the interior ring fire cover matched, outside
Ring mixing chamber is provided with the external ring fire cover matched, it is characterised in that：The top closure of the interior ring fire cover, lower ending opening with it is interior
Ring mixing chamber is connected, and the top surface of the interior ring fire cover is provided with positioned at the center fire hole at center and around the outer of center fire hole
Zhou Huokong, the gas channel between the interior ring fire cover and interior induction tunnel be spaced to be formed positioned at center central lumen and surround
The periphery chamber of central lumen, the central lumen is connected with the center fire hole on interior ring fire cover, the periphery chamber and inner ring
Periphery fire hole connection in fire cover, passes through the passage on the perisporium of central lumen between the central lumen and periphery chamber
Connection.
Preferably, the pedestal, which is provided with, is located at the middle inner ring channel connected with interior induction tunnel, and the inner ring channel is
The interval being coaxially disposed with the outer perimeter wall of inner ring channel is provided with the cylindrical channel being vertically arranged, and the inner ring channel
The inner ring channel is separated into the central cavity positioned at center and the periphery cavity around central cavity by face, the septal surface.
Preferably, provided with the inner ring wall being coaxially disposed with its outer side surface, the inner ring wall in the inner ring mixing chamber
The inner ring mixing chamber is separated into the inner chamber body positioned at center and the outer chamber around inner chamber body by face, the inner ring mixing chamber
Outer side surface is connected with the outer perimeter wall of inner ring channel, and the inner ring wall is connected with the septal surface.
Preferably, in the interior ring fire cover is set including outer peripheral face and in outer peripheral face with outer peripheral face coaxial spaced
The interior ring fire cover is separated into the inner chamber positioned at center and the exocoel around inner chamber, the outer peripheral face by side face, the inner peripheral surface
It is connected with outer side surface, the inner peripheral surface is connected with the inner ring wall.
The inner chamber, inner chamber body and central cavity formation central lumen, the exocoel, outer chamber and periphery cavity form outer
All chambers, and the outer perimeter wall of the periphery cavity is communicated to the interior induction tunnel provided with hole.
As several optional embodiments of the present invention, the passage is the seam of the circumferentially extending along the perisporium of central lumen
The passage of gap strip, or along the equally distributed multiple holes of perisporium of central lumen.
It is used as the optional embodiment of the present invention, outside week of the top less than the inner ring channel of the septal surface
The top of wall, the outer side surface of the inner ring mixing chamber is concordant with the bottom of inner ring wall, the outer side surface and septal surface it
Between form the passage.
For the ease of processing, the passage is the recessed groove on septal surface top surface.
Preferably, the passage is the through hole being uniformly distributed circumferentially on septal surface.
Slow down to be depressurized better by through hole to air-flow, the through hole is acclivitous inclined hole from inside to outside, and
And angle is formed between the inclined hole and level, the size of the angle is 15 °.
In order to preferably depressurize deceleration to the air-flow of central chamber, the internal diameter of the central cavity is more than the interior of inner chamber body
Footpath.
Further, the internal diameter of the inner chamber body is less than the internal diameter of the inner chamber
Preferably, the internal diameter of the central cavity is 9mm, and the internal diameter of inner chamber body is 5mm-7mm, and the thickness of the passage is
1mm-2.5mm, the internal diameter of the inner chamber is 9mm-11mm.
Compared with prior art, the advantage of the invention is that the stable flame combusting device structure enters promoting the circulation of qi in itself by gas channels
The steady flame of stream deceleration, solves the problem of fire cover hole is stifled, and improves outlet excessive velocities well, and steady flame is not enough, the problem of taking off fiery.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the stable flame combusting device of first embodiment of the invention.
Fig. 2 is the sectional view of the stable flame combusting device of first embodiment of the invention.
Fig. 3 is the sectional view of the stable flame combusting device of second embodiment of the invention.
Fig. 4 is the schematic diagram of the pedestal of the stable flame combusting device of second embodiment of the invention.
Fig. 5 is the sectional view of the stable flame combusting device of third embodiment of the invention.
Fig. 6 is the magnified partial view in Fig. 5.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figure 1, 2, be first embodiment of the invention stable flame combusting device schematic diagram, the burner include pedestal 1,
And inner ring mixing chamber 2 and outer shroud mixing chamber 3 on pedestal 1, interior induction tunnel 4 is also associated with the pedestal 1 and is drawn outside
Penetrate pipe 5, the interior induction tunnel 4 is communicated to inner ring mixing chamber 2, outer induction tunnel 5 is communicated to outer shroud mixing chamber 3, the outer shroud mixing chamber 3 with
There is circular passage 20, outer shroud mixing chamber 3 connects the external world provided with the auxiliary air hole 30 laterally set between inner ring mixing chamber 2
Space and the circular passage 20.The top of the inner ring mixing chamber 2 is provided with interior ring fire cover 6, and the top of the outer shroud mixing chamber 3 is set
There is external ring fire cover 7.The section of the inner ring mixing chamber 2 and interior ring fire cover 6 is the section of circle, outer shroud mixing chamber 3 and external ring fire cover 7
For annular.And the outside of the interior ring fire cover 6 is provided with thermocouple 81 and ignition electrode 82.
Have on the pedestal 1 of the burner positioned at middle inner ring channel 11, and the outer ring channel 12 positioned at periphery, this is interior
The connection inner ring of ring passage 11 mixing chamber 2 and interior induction tunnel 4, the connection outer shroud of outer ring channel 12 mixing chamber 3 and outer induction tunnel 5.Wherein
Inner ring channel 11 is the passage of axially vertically disposed cartridge type, and the outer perimeter wall 111 of inner ring channel 11 is provided with hole and outer injection
Pipe 5 is connected, and the septal surface 13 being coaxially disposed in the inner ring channel 11 provided with a circle with outer perimeter wall 111, the septal surface 13 will be interior
Ring passage 11 separates into the central cavity 14 positioned at center and the periphery cavity 15 around central cavity 14 positioned at outside, center
Cavity 14 is connected with periphery cavity 15 by the passage 16 on septal surface 13.Preferably, as shown in Fig. 2 16, the passage
In the top of septal surface 13, the i.e. top of septal surface 13 less than inner ring channel 11 outer perimeter wall 111 (i.e. periphery cavity 15 outside
Side perisporium 111) top, and then cause inner ring mixing chamber 2 on inner ring channel 11 bottom it is concordant in the case of, i.e. inner ring
The outer side surface 21 of mixing chamber 2 is concordant with the bottom of inner ring wall 22, shape between the top of the septal surface 13 and inner ring mixing chamber 2
Into gap and then form the passage 16.In addition, the passage 16 can also be along the gap of its circumferentially extending on septal surface 13
The passage of strip.The outer perimeter wall of periphery cavity 15 is the outer perimeter wall 111 of inner ring channel 11.
The inner ring mixing chamber 2 is that a section is circular mixing chamber, and the outer side surface 21 and inner ring of inner ring mixing chamber 2
The outer perimeter wall 111 of passage 11 matches and is tightly connected.And the position with septal surface 13 is additionally provided with the inner ring mixing chamber 2
Put the inner ring wall 22 that the circle matched is coaxially disposed with the outer perimeter wall of inner ring mixing chamber 2, and the bottom of inner ring wall 22
There is passage 16 between portion and septal surface 13.Inner ring mixing chamber 2 is separated into inner chamber body 23 and outer chamber 24 by the inner ring wall 22.
The internal diameter of the central cavity 14 is 9mm, and the internal diameter of periphery cavity 15 is 33mm, and the outer side surface 21 of the inner ring mixing chamber 2
Internal diameter be that the internal diameter of outer chamber 24 is 27mm-30mm, the internal diameter of inner ring wall 22 is that the internal diameter of inner chamber body 23 is 5mm-7mm,
Preferably 5mm, while the spacing between the width of the passage 16, the i.e. bottom of inner ring wall 22 and septal surface 13 is 1mm-
2.5mm, it is preferable that be 1.5mm.
The interior ring fire cover 6 is that section is circular fire cover, and top closure, lower ending opening, it is same include it is mixed with inner ring
The outer peripheral face 61 that the outer side surface 21 of air chamber 2 is mutually tightly connected, and the inner peripheral surface 62 being mutually tightly connected with inner ring wall 22, it is interior
Side face 62 is set with the coaxial spaced of outer peripheral face 61, and the inner peripheral surface 62 separates into interior ring fire cover 6 positioned at the inner chamber 63 at center and position
The annular exocoel 64 around inner chamber 63 in outside, the top surface of the interior ring fire cover 6 is provided with fire hole, is respectively to connect with inner chamber 63
Logical center fire hole 65 and the periphery fire hole 66 being connected with exocoel 64, the center fire hole 65 and periphery fire hole 66 can be equal
Even distribution can also uneven distribution.And the internal diameter size of the bottom of the inner chamber 63 it is identical with the internal diameter of inner chamber body 23 and with
Inner chamber body 23 is connected, and the internal diameter on the top of the inner chamber 63 is larger, more than the internal diameter of the inner chamber body 23, it is therefore preferable to 9mm-
11mm, it is preferable that be 11mm.
The combustion gas that interior induction tunnel 4 is inputted enters to inner ring mixing chamber 2 by inner ring channel 11, and inner ring channel 11 includes periphery
Cavity 15 and central cavity 14, wherein the gas part in periphery cavity 15 is directly entered the outer chamber 24 of inner ring mixing chamber 2,
And another part enters central cavity 14 by passage 16, the inner chamber of inner ring mixing chamber 2 is then entered by central cavity 14
In body 23.It is once to be slowed down and depressurized by the gas after passage 16, and enters the inner chamber body of inner ring mixing chamber 2
23, the inner chamber body 23 are because internal diameter is smaller, therefore, equivalent to once being slowed down and depressurized again, and from the gas of inner chamber body 23
Body enters behind inner chamber 63, in gas diffusion to larger space, therefore, interior equivalent to being slowed down and having been depressurized for the third time again
Equivalent to a static pressure chamber is formed in chamber 63, the flow velocity and pressure of the air-flow of the chamber are respectively less than exocoel 64, therefore, center
The flame of fire hole 65 is fixed compared with handsomely due to the flow velocity of air-flow, so flame can be highly stable, while can also hold periphery fire
The flame in hole 66 so that the flame stabilization on interior ring fire cover 6, anti-anti-avulsion fire.
The stable flame combusting device, by by the gas channel between the fire hole on interior induction tunnel and interior ring fire cover, i.e., in ring fire
The gas channel of inner ring channel formation in lid and inner ring mixing chamber and pedestal is split, and is divided into positioned at the center at center
Chamber and the periphery chamber around central lumen, and deceleration decompression is carried out by the air-flow to central chamber so that center
One static pressure chamber is formed on the top of chamber, and then make it that the center fire hole of the interior ring fire cover connected with central lumen forms stabilization
Flame carries out steady flame.The central lumen include above-mentioned central cavity, inner chamber body and inner chamber, periphery chamber include periphery cavity,
Outer chamber and exocoel.Connected between central lumen and periphery chamber by the passage on the perisporium of central lumen, the central lumen
Perisporium be above-mentioned septal surface, inner ring wall and inner peripheral surface.Other structures can also be used, as long as will be from interior induction tunnel to interior
The cavity between fire hole on ring fire cover is divided into two different pressures, cavity different in flow rate, i.e. central lumen interior air-flow
Pressure be less than periphery chamber in air-flow pressure, and then cause center fire hole form steady fireworks flame.Realize central chamber
The method of the reduction of the pressure of air-flow, can be depressurized by way of above-mentioned passage, by between inner chamber body and central cavity
The modes of volume differences depressurize, either depressurized by the volume differences between inner chamber and inner chamber body or by above-mentioned several
At least two combinations in mode are depressurized.
As shown in Figure 3,4, be the second embodiment of the present invention stable flame combusting device schematic diagram.In the embodiment, other
With first embodiment all same, unlike the central cavity septal surface 13 on passage 16 ' be along septal surface 13 circumference
Uniform intervals distribution hole, the passage 16 ' be located at septal surface 13 top, be along the recessed groove of the top down of septal surface 13,
After septal surface 13 is connected with each other with inner ring wall 22, the groove at the top of septal surface 13 is to form passage 16 '.Such structure
As shown in Figure 5,6, be the third embodiment of the present invention stable flame combusting device schematic diagram, in the embodiment, other
With first embodiment all same, unlike the passage 16 " be through hole on septal surface 13, the through hole is along septal surface 13
Circumferential uniform intervals distribution, and the through hole is inclined hole, i.e. acclivitous inclined hole from inside to outside, the axial direction of through hole and level it
Between form angle α, the size of the angle α is 15 °, so can preferably lower flow velocity and pressure by the air-flow of passage 16 ",
So that the pressure of the central chamber at center reduces, ground is more quick, and the air pressure and flow velocity of central chamber are more stablized.
The stable flame combusting device, is split, shape by the gas channel between the fire hole of internal induction tunnel and interior ring fire cover
Into the static pressure chamber positioned at center, and to the air-flow progress decompression deceleration in static pressure chamber, and then cause in interior ring fire cover
The flame stabilization in internal heat hole, plays a part of steady flame so that the flame of ring fire cover is more stablized in whole, the hair of anti-anti-avulsion fire
It is raw.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.That is made within the spirit and principles of the invention appoints
What modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a kind of stable flame combusting device, including pedestal (1), and inner ring mixing chamber (2) and outer shroud mixing chamber on pedestal (1)
(3), be also associated with below the pedestal (1) the interior induction tunnel (4) that is connected with inner ring mixing chamber (2) and with outer shroud mixing chamber
(3) the outer induction tunnel (5) of connection, the inner ring mixing chamber (2) is provided with the interior ring fire cover (6) matched, outer shroud mixing chamber (3)
Provided with the external ring fire cover (7) matched, it is characterised in that：The top closure of the interior ring fire cover (6), lower ending opening and inner ring
Mixing chamber (2) is connected, and the top surface of the interior ring fire cover (6) is provided with positioned at the center fire hole (65) at center and around center
The periphery fire hole (66) of fire hole (65), the gas channel between the interior ring fire cover (6) and interior induction tunnel (5) is spaced to form position
Central lumen in center and the periphery chamber around central lumen, the central lumen and the central flame on interior ring fire cover (6)
Hole (65) is connected, and the periphery chamber is connected with the periphery fire hole (66) on interior ring fire cover (6), the central lumen and periphery chamber
Pass through the passage (16 on the perisporium of central lumen between room；16’；16 ") connect, and in central lumen air-flow pressure
Less than the stream pressure of periphery chamber.
2. stable flame combusting device as claimed in claim 1, it is characterised in that：The pedestal (1) is provided with draws positioned at middle with interior
The inner ring channel (11) of pipe (4) connection is penetrated, the inner ring channel is the cylindrical channel being vertically arranged, and the inner ring channel
(11) septal surface (13) being coaxially disposed with the outer perimeter wall (111) of inner ring channel (11) is provided with, the septal surface (13) will
The inner ring channel (11) is separated into the central cavity (14) positioned at center and the periphery cavity (15) around central cavity (14).
3. stable flame combusting device as claimed in claim 2, it is characterised in that：It is provided with the inner ring mixing chamber (2) and its outside
The inner ring wall (22) that wall (21) is coaxially disposed, the inner ring mixing chamber (2) is separated into by the inner ring wall (22) to be located at
The inner chamber body (23) at center and the outer chamber (24) around inner chamber body (23), the outer side surface (21) of the inner ring mixing chamber (2)
It is connected with the outer perimeter wall (111) of inner ring channel (11), the inner ring wall (22) is connected with the septal surface (13).
4. stable flame combusting device as claimed in claim 3, it is characterised in that：The interior ring fire cover (6) include outer peripheral face (61) with
And the inner peripheral surface (62) set in outer peripheral face (61) with outer peripheral face (61) coaxial spaced, the inner peripheral surface (62) will be described interior
Ring fire cover (6) separates into the inner chamber (63) positioned at center and the exocoel (64) around inner chamber (63), the outer peripheral face (61) with it is outer
Side wall (21) is connected, and the inner peripheral surface (62) is connected with the inner ring wall (22).
5. stable flame combusting device as claimed in claim 4, it is characterised in that：The inner chamber (63), inner chamber body (23) and center cavity
Body (14) formation central lumen, the exocoel (64), outer chamber (24) and periphery cavity (15) formation periphery chamber, and it is described
The outer perimeter wall (111) of periphery cavity (15) is communicated to the interior induction tunnel (4) provided with hole.
6. stable flame combusting device as claimed in claim 1, it is characterised in that：The passage (16；16’；16 ") it is along central lumen
Perisporium circumferentially extending gap strip passage, or along the equally distributed multiple holes of perisporium of central lumen.
7. stable flame combusting device as claimed in claim 3, it is characterised in that：The top of the septal surface (13) is less than the inner ring
The top of the outer perimeter wall (111) of passage (11), outer side surface (21) and the inner ring wall (22) of the inner ring mixing chamber (2)
Bottom is concordant, and the passage (16) is formed between the outer side surface (21) and septal surface (13).
8. the stable flame combusting device as any one of claim 2-5, it is characterised in that：The passage (16 ') be located at
Recessed groove on face (13) top surface.
9. the stable flame combusting device as any one of claim 2-5, it is characterised in that：The passage (16 ") be located at
Every the through hole being uniformly distributed circumferentially on face (13).
10. stable flame combusting device as claimed in claim 9, it is characterised in that：The through hole is acclivitous oblique from inside to outside
Angle (α) is formed between hole, and the inclined hole and level, the size of the angle (α) is 15 °.
11. stable flame combusting device as claimed in claim 5, it is characterised in that：The internal diameter of the central cavity (14) is more than inner chamber
The internal diameter of body (23).
12. the stable flame combusting device as described in claim 5 or 11, it is characterised in that：The internal diameter of the inner chamber body (23) is less than institute
State the internal diameter of inner chamber (63).
13. stable flame combusting device as claimed in claim 12, it is characterised in that：The internal diameter of the central cavity (14) is 9mm, interior
The internal diameter of cavity (23) is 5mm-7mm, and the thickness of the passage (16) is 1mm-2.5mm, and the internal diameter of the inner chamber (63) is
9mm-11mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665690.7A CN105202541B (en) | 2015-10-15 | 2015-10-15 | A kind of stable flame combusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665690.7A CN105202541B (en) | 2015-10-15 | 2015-10-15 | A kind of stable flame combusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202541A CN105202541A (en) | 2015-12-30 |
| CN105202541B true CN105202541B (en) | 2017-07-18 |
Family
ID=54950366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510665690.7A Expired - Fee Related CN105202541B (en) | 2015-10-15 | 2015-10-15 | A kind of stable flame combusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105202541B (en) |
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|---|---|---|---|---|
| CN106196069B (en) * | 2016-08-16 | 2018-12-14 | 宁波方太厨具有限公司 | A kind of interior ring fire cover of gas stove burner |
| CN106524156B (en) * | 2016-11-26 | 2023-09-19 | 李华胜 | Mixed air inlet device of premixed combustion gas furnace end |
| CN106949472A (en) * | 2017-04-24 | 2017-07-14 | 杭州老板电器股份有限公司 | A kind of pair of inner ring burner with high efficiency |
| CN109855095B (en) * | 2017-11-30 | 2024-01-16 | 宁波方太厨具有限公司 | Gas burner |
| CN109990277B (en) * | 2017-12-30 | 2024-01-16 | 宁波方太厨具有限公司 | Flow equalization gas burner |
| CN110529850A (en) * | 2018-05-23 | 2019-12-03 | 宁波方太厨具有限公司 | A kind of upper inlet wind type burner |
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|---|---|---|---|---|
| JPS60202225A (en) * | 1984-03-27 | 1985-10-12 | Tokyo Gas Co Ltd | Luminous flame generating combustion device |
| US4654001A (en) * | 1986-01-27 | 1987-03-31 | The Babcock & Wilcox Company | Flame stabilizing/NOx reduction device for pulverized coal burner |
| CN2791482Y (en) * | 2005-05-20 | 2006-06-28 | 浙江帅康电气股份有限公司 | Gas burner |
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| CN205065719U (en) * | 2015-10-15 | 2016-03-02 | 宁波方太厨具有限公司 | Flame holding combustor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105202541A (en) | 2015-12-30 |
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