CN110553264A - Burner fire cover - Google Patents
Burner fire cover Download PDFInfo
- Publication number
- CN110553264A CN110553264A CN201810560232.0A CN201810560232A CN110553264A CN 110553264 A CN110553264 A CN 110553264A CN 201810560232 A CN201810560232 A CN 201810560232A CN 110553264 A CN110553264 A CN 110553264A
- Authority
- CN
- China
- Prior art keywords
- flame stabilizing
- flame
- sub
- channel
- fire
- 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.)
- Pending
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 104
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 22
- 241000282472 Canis lupus familiaris Species 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—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
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/74—Preventing flame lift-off
-
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/76—Protecting flame and burner parts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to a burner fire cover, which comprises a fire cover body and a cover body covering the fire cover body, wherein a radial main fire groove is formed on the annular peripheral wall of the fire cover body, a spacer block is formed on the adjacent main fire groove, a flame stabilizing groove is formed on the upper surface of the spacer block from inside to outside, and the flame stabilizing groove and the cover body form a flame stabilizing channel, and the burner fire cover is characterized in that: the flame stabilizing groove is provided with a partition piece at the position close to the outer end, and the partition piece can divide the flame stabilizing channel into at least two relatively independent sub flame stabilizing channels.
Description
Technical Field
The invention relates to a fire cover on a gas cooker, in particular to a fire cover structure with a good flame stabilizing effect.
Background
In order to obtain better combustion efficiency, most of the existing stove burners are added with a flame stabilizing function. For example, the tapered fire cover for gas range burner disclosed in the utility model with the publication number of CN2842216Y and the burner fire cover disclosed in the utility model with the publication number of CN202149492U still have the defects that the flame is easy to jump and the combustion area is unstable after combustion. A lot of outer fire lid structures that have flame stabilizing function have been disclosed among the prior art, like the chinese utility model patent of patent number ZL200920112857.7 "a burning kitchen outer ring fire lid (the grant bulletin number is CN201377835Y), the flame stabilizing hole has been seted up on outer fire lid outside facade in this patent, the flame stabilizing hole be located outer loop fire hole below and with outer loop fire hole alternate arrangement, flame stabilizing hole inner end and fire lid's gas passageway intercommunication, because the setting up of flame stabilizing hole makes combustion efficiency improve greatly, can reduce indoor carbon monoxide's emission.
although the improved structure obtains good technical effects, the improved structure has the following defects: firstly, the flame stabilizing effect does not reach the optimal state, and can be further improved; secondly, the overflowing liquid easily enters the main fire hole or the flame stabilizing hole to block the main fire channel or the flame stabilizing channel; and finally, the main fire channel or the flame stabilizing channel is not easy to clean after being blocked.
Disclosure of Invention
the technical problem to be solved by the present invention is to provide a burner fire cover with stable combustion for the above-mentioned current state of the art.
Another technical problem to be solved by the present invention is to provide a burner fire cover with a clean main fire channel or a flame stabilizing channel, in view of the above prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: this combustor fire lid, including fire lid body and the lid that covers on it, the upper surface of the annular perisporium of fire lid body is followed the circumferencial direction shaping of circumferencial direction interval and is had radial main fire recess, main fire recess with the lid cooperation forms main fire passageway to then be provided with the spacer block between the adjacent main fire recess, the upper surface of spacer block has the steady flame recess from inside and outside shaping, the steady flame recess with the lid cooperation forms steady flame passageway, its characterized in that: the flame stabilizing groove is provided with a partition at the position adjacent to the outer end, and the partition divides the flame stabilizing channel into at least two relatively independent sub flame stabilizing channels.
Further, the flame holding groove is a flaring section at the position adjacent to the outer end, and the separator is arranged in the flaring section. The flaring section can reduce the flow rate of fuel gas, so that the fuel gas flowing out of the flame stabilizing groove is not easy to leave flame during combustion.
for further reducing the outflow speed of steady flame recess gas, the separator is including an at least dog, every the outer end of dog has the step, the step with the lid cooperation forms and communicates adjacently the interface channel of sub-steady flame passageway. The separator can have a plurality of dogs to constitute to play each sub-steady flame passageway that the dog separated into can play the throttle, shunt steady flame passageway in the purpose of gas can, the setting up of this fender portion makes steady flame take place the turn with gas in steady flame passageway, reduces gas outflow speed, makes the steady flame recess of outflow gas be difficult to from the flame when the burning, heating main fire channel gas root makes whole combustor flame stable when the burning.
Preferably, the flame stabilizing channel is separated by the dog and is the Y style of calligraphy, the dog sets up the central point of flaring section puts, the dog will the flame stabilizing channel is separated into first sub flame stabilizing channel and the sub flame stabilizing channel of second, first sub flame stabilizing channel and the sub flame stabilizing channel of second constitute "Y" style of calligraphy passageway with the flame stabilizing channel upper reaches section before the reposition of redundant personnel jointly.
Preferably, the outer end wall surface of the stopper is a vertical wall surface which is perpendicularly connected to the annular peripheral wall.
In order to better enable the sub-flame stabilizing channel to heat the root part of the fuel gas of the main flame channel adjacent to the sub-flame stabilizing channel, the first sub-flame stabilizing channel and/or the second sub-flame stabilizing channel gradually incline downwards from inside to outside, and the included angle between the first sub-flame stabilizing channel and the horizontal plane is 60-90 degrees.
Further, the relationship between the sub-flame holding channels and the flame holding channels satisfies:
The cross-sectional area of the flame stabilizing channel before the split is A 0, the cross-sectional areas of the sub flame stabilizing channels after the split are respectively A 1, A 2 and … A n, then A 0 is (A 1 + A 2 + … + A n) alpha, wherein alpha is the flow coefficient of the flame stabilizing fire hole, and alpha is 1.1-1.5.
Preferably, in order to further reduce the outflow speed of the gas for the sub-flame holding groove, the cross-sectional area of the sub-flame holding passage is gradually increased from the inside to the outside.
This fire lid structure can be tubular structure also can be annular structure, if be annular structure then can be: the cover body is annular, and the annular top surface of the cover body, the inner annular wall and the outer annular wall which vertically or obliquely extend downwards from the inner side edge and the outer side edge of the annular top surface are matched with the fire cover body to form a gas mixing cavity.
In order to make the whole fire cover smoothly fire, the outer ring wall of the cover body comprises an inner ring part which is freely and gradually inclined upwards and an outer ring part which is horizontally arranged, correspondingly, the annular peripheral wall of the fire cover body comprises an inner side peripheral wall matched with the inner ring part and an outer side peripheral wall matched with the outer ring part, and the flaring section is arranged on the outer side peripheral wall.
Compared with the prior art, the flame stabilizing device has the advantages that each sub flame stabilizing channel can play a role in throttling and shunting gas in the flame stabilizing channel, the outflow speed of the gas of the flame stabilizing flame is effectively reduced, flame is stabilized to burn near the main flame channel, the main flame channel is effectively heated, a good flame stabilizing effect is achieved, meanwhile, the main flame of the main flame channel can be pulled by the two ends of each sub flame stabilizing channel, the gas is uniformly burnt, the flame is not easy to separate during burning, the flame stabilizing effect is further improved, the fire cover adopts the split design of the fire cover body and the fire cover body, when foreign matters enter the main flame channel or the flame stabilizing channel, the main flame channel or the flame stabilizing channel can be cleaned only by being disassembled, and the cleanness is guaranteed.
drawings
FIG. 1 is a schematic structural diagram of a fire cover in an embodiment of the present invention;
FIG. 2 is an exploded view of the fire lid of the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fire lid body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is an enlarged view of FIG. 4A;
FIG. 6 is a schematic structural diagram of a cover according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of FIG. 6;
Fig. 8 is a cross-sectional view of a fire lid in accordance with an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1
As shown in fig. 1 to 8, as a best embodiment of the present embodiment, the burner fire cover in the present embodiment includes a fire cover body 1 and a cover body 2 covering the fire cover body, the fire cover body 1 may be in a cylindrical form with a downward opening, and may also be in a ring form, the present embodiment takes a ring form as an example, the ring fire cover may be an outer ring fire cover or an inner ring fire cover, and the present embodiment mainly takes an outer ring fire cover as a main development detail.
Wherein, the upper surface of the annular peripheral wall 10 of the fire lid body 1 is formed with radial main fire grooves 11 at intervals along the circumferential direction, the lid body 2 is annular, the annular top surface 21 of the lid body 2, the inner annular wall 22 vertically or obliquely extending downwards from the inner edge and the outer edge of the annular top surface 21, the outer annular wall 23 and the fire lid body 1 are matched to form a gas mixing cavity 24. Main fire recess 11 forms main fire passageway with the cooperation of lid 2, and adjacent main fire recess 11 then be formed with spacer 3, and the upper surface of spacer 3 has flame stabilizing recess 31 from the inside outward direction shaping, and flame stabilizing recess 31 forms the flame stabilizing passageway with the cooperation of lid 2, and flame stabilizing recess 31 is close to the outer end and has the separator, and the separator can separate into two at least relatively independent sub flame stabilizing passageways with the flame stabilizing passageway, and sub flame stabilizing passageway can link to each other two adjacent main fire passageways. In order to make the gas for flowing out of the flame holding groove 31 not easily leave the flame during combustion, the flame holding groove 31 is provided with a flared section 311 at a position adjacent to the outer end, and in order to further reduce the outflow speed of the gas for flowing out of the flame holding groove 31, a partition is arranged in the flared section 311. Wherein, the separator can have a plurality of dog 4 to constitute to play each sub-steady flame passageway that dog 4 separated into can play the purpose of throttling, reposition of redundant personnel steady flame passageway in the gas can, and the relation of sub-steady flame passageway and steady flame passageway needs to satisfy:
The cross-sectional area of the flame stabilizing channel before the split is A 0, the cross-sectional areas of the sub flame stabilizing channels after the split are respectively A 1, A 2 and … A n, then A 0 is (A 1 + A 2 + … + A n) alpha, wherein alpha is the flow coefficient of the flame stabilizing fire hole, alpha is 1.1-1.5, and alpha is 1.2.
For better description, the divider is a stopper 4 disposed at a central position of the flared section 311, and the stopper 4 divides the flame holding channel into a first sub flame holding channel 312 and a second sub flame holding channel 313 for illustration. Specifically, dog 4's transversal personally submits the trapezium structure, and the setting up of this fender portion makes gas for the steady flame take place to turn in the steady flame passageway, reduces the gas outflow speed, makes gas for the outflow steady flame recess 31 be difficult to leave the flame when the burning, heats main flame path gas root, makes whole combustor flame stable when the burning. The wall surface of the stop block 4 close to the outer end of the flared section 311 is a vertical wall surface 42, the vertical wall surface 42 is vertically connected to the annular peripheral wall 10 and is in the same plane with the outer wall of the annular peripheral wall 10, the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313 are strip-shaped flame holes which are symmetrically arranged relative to the stop block 4 and have rectangular cross sections, in order to better enable the flames of the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313 to blow to the root of the flame adjacent to the main flame channel, the stop block 4 is arranged at the central position of the flared section 311, the stop block 4 divides the flame stabilizing channel into the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313, the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313 and the upstream section 314 of the flame stabilizing channel before being divided form a Y-shaped channel, the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313 are gradually inclined downwards from the inside to the outside, the included angle with the horizontal plane is 70 degrees, therefore, the whole flame stabilizing structure of the fire cover is Y-shaped, in order to further reduce the outflow speed of fuel gas for the flame stabilizing groove 31, the wall surface of the upper surface of the stop block 4 close to the outer end of the flared section 311 is locally provided with a step 41, the step 41 and the cover body 2 form a connecting channel for connecting the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313, the connecting channel can be connected with the flame stabilizing flame flowing out from the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313, the flame outlet distance of the flame stabilizing flame is shortened, the first sub flame stabilizing channel 312 and the second sub flame stabilizing channel 313 are smoother in the flame transfer process, the speed of the flame stabilizing flame at the outlet can be further reduced, and the flame stabilizing effect is improved.
In order to make the fire lid fire smoothly, the outer ring wall 23 of the lid body 2 includes an inner ring portion 231 which is freely inclined upwards gradually and outwards and an outer ring portion 232 which is horizontally arranged, correspondingly, the annular peripheral wall of the fire lid body 1 includes an inner peripheral wall 101 which is matched with the inner ring portion 231 and an outer peripheral wall 102 which is matched with the outer ring portion 232, and the flaring section 311 is arranged on the outer peripheral wall 102. And, the fire lid still adopts the components of a whole that can function independently design of fire lid body 1 and lid 2 for when having the foreign matter to enter in main fire passageway or the steady flame passageway, as long as take apart the washing can, guarantee to clean.
the embodiments of the present invention are all exemplified by the outer ring air mixing chamber and the outer ring fire cover, but the concept of the present invention can also be applied to the embodiments of the inner ring air mixing chamber (or the central air mixing chamber) and the inner ring fire cover (or the central fire cover), and the details are not repeated.
Example 2
the structure is basically similar to that of the embodiment 1, and the only difference is that the cross section of the block 4 is a rectangular structure, and the first sub flame stabilizing passage 312 and the second sub flame stabilizing passage 313 are wedge-shaped fire hole structures which are symmetrically arranged along the block part and have gradually increasing cross-sectional areas from inside to outside.
Claims (10)
1. The utility model provides a combustor fire lid, covers lid (2) on body (1) and the cover that covers it including the fire, the upper surface of annular perisporium (10) of fire lid body (1) is formed along circumferencial direction interval and is had radial main fire recess (11), main fire recess (11) with lid (2) cooperation forms main fire passageway to then be provided with spacer (3) between adjacent main fire recess (11), the upper surface of spacer (3) has flame stabilizing recess (31) from the inside and outside shaping, flame stabilizing recess (31) with lid (2) cooperation forms flame stabilizing channel, its characterized in that: the flame stabilizing groove (31) is provided with a partition at the position adjacent to the outer end, and the partition divides the flame stabilizing channel into at least two relatively independent sub flame stabilizing channels.
2. The burner fire cover of claim 1, wherein: the flame holding groove (31) is provided with a flaring section (311) at the position adjacent to the outer end, and the separator is arranged in the flaring section (311).
3. The burner fire cover of claim 2, wherein: the partition comprises at least one block (4), the outer end of each block (4) is provided with a step (41), and the steps (41) and the cover body (2) are matched to form a connecting channel for communicating the adjacent sub flame stabilizing channels.
4. The burner fire cover of claim 3, wherein: dog (4) set up the central point of flaring section (311) puts, dog (4) will first sub-flame stabilizing channel (312) and second sub-flame stabilizing channel (313) are separated into to the flame stabilizing channel, first sub-flame stabilizing channel (312) and second sub-flame stabilizing channel (313) constitute "Y" style of calligraphy passageway with flame stabilizing channel upstream section (314) before the reposition of redundant personnel jointly.
5. The burner fire cover of claim 4, wherein: the outer end wall surface of the stop block (4) is a vertical wall surface (42), and the vertical wall surface (42) is vertically connected to the annular peripheral wall (10).
6. The burner fire cover of claim 5, wherein: the first sub flame stabilizing channel (312) and/or the second sub flame stabilizing channel (313) are gradually inclined downwards from inside to outside, and the included angle between the first sub flame stabilizing channel and the horizontal plane is 60-90 degrees.
7. The burner fire cover according to any one of claims 1 to 6, wherein: the relationship between the sub flame stabilizing channel and the flame stabilizing channel satisfies the following conditions:
The cross-sectional area of the flame stabilizing channel before the split is A 0, the cross-sectional areas of the sub flame stabilizing channels after the split are respectively A 1, A 2 and … A n, then A 0 is (A 1 + A 2 + … + A n) alpha, wherein alpha is the flow coefficient of the flame stabilizing fire hole, and alpha is 1.1-1.5.
8. The burner fire cover of claim 7, wherein: the cross-sectional area of the sub flame stabilizing channel gradually increases from inside to outside.
9. The burner fire cover according to any one of claims 2 to 6, wherein: the cover body (2) is annular, and the annular top surface (21) of the cover body (2) and the inner annular wall (22) and the outer annular wall (23) which vertically or obliquely extend downwards from the inner edge and the outer edge of the annular top surface (21) are matched with the fire cover body (1) to form a mixed air cavity (24).
10. the burner fire cover of claim 9, wherein: the outer annular wall (23) of the cover body (2) comprises an inner annular part (231) which is freely and gradually inclined upwards and an outer annular part (232) which is horizontally arranged, correspondingly, the annular peripheral wall (10) of the fire cover body (1) comprises an inner peripheral wall (101) matched with the inner annular part (231) and an outer peripheral wall (102) matched with the outer annular part (232), and the flaring section (311) is arranged on the outer peripheral wall (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560232.0A CN110553264A (en) | 2018-06-03 | 2018-06-03 | Burner fire cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560232.0A CN110553264A (en) | 2018-06-03 | 2018-06-03 | Burner fire cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553264A true CN110553264A (en) | 2019-12-10 |
Family
ID=68735168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560232.0A Pending CN110553264A (en) | 2018-06-03 | 2018-06-03 | Burner fire cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110553264A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154907A (en) * | 1998-11-18 | 2000-06-06 | Rinnai Corp | Burner for cooking stove |
| CN103162292A (en) * | 2013-02-26 | 2013-06-19 | 宁波方太厨具有限公司 | Burner outer flame cover |
| JP2016038127A (en) * | 2014-08-06 | 2016-03-22 | 株式会社ハーマン | Gas burner |
| WO2016145744A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner |
| CN106152132A (en) * | 2016-08-03 | 2016-11-23 | 宁波方太厨具有限公司 | cooker burner |
| CN108087923A (en) * | 2018-01-03 | 2018-05-29 | 广东美的厨房电器制造有限公司 | Fire cover and burner |
| CN209295123U (en) * | 2018-06-03 | 2019-08-23 | 宁波方太厨具有限公司 | A kind of burner fire lid |
-
2018
- 2018-06-03 CN CN201810560232.0A patent/CN110553264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000154907A (en) * | 1998-11-18 | 2000-06-06 | Rinnai Corp | Burner for cooking stove |
| CN103162292A (en) * | 2013-02-26 | 2013-06-19 | 宁波方太厨具有限公司 | Burner outer flame cover |
| JP2016038127A (en) * | 2014-08-06 | 2016-03-22 | 株式会社ハーマン | Gas burner |
| WO2016145744A1 (en) * | 2015-03-13 | 2016-09-22 | 广东美的厨房电器制造有限公司 | Burner |
| CN106152132A (en) * | 2016-08-03 | 2016-11-23 | 宁波方太厨具有限公司 | cooker burner |
| CN108087923A (en) * | 2018-01-03 | 2018-05-29 | 广东美的厨房电器制造有限公司 | Fire cover and burner |
| CN209295123U (en) * | 2018-06-03 | 2019-08-23 | 宁波方太厨具有限公司 | A kind of burner fire lid |
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