CN109595556A - A kind of cooker burner - Google Patents

A kind of cooker burner Download PDF

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Publication number
CN109595556A
CN109595556A CN201710915016.9A CN201710915016A CN109595556A CN 109595556 A CN109595556 A CN 109595556A CN 201710915016 A CN201710915016 A CN 201710915016A CN 109595556 A CN109595556 A CN 109595556A
Authority
CN
China
Prior art keywords
ring
burner
mixing chamber
support
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
Application number
CN201710915016.9A
Other languages
Chinese (zh)
Inventor
李怀峰
熊斌
茅忠群
诸永定
蔡国汉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN201710915016.9A priority Critical patent/CN109595556A/en
Publication of CN109595556A publication Critical patent/CN109595556A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/08Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/72Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82Preventing flashback or blowback
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/08Arrangement or mounting of burners
    • F24C3/085Arrangement or mounting of burners on ranges

Abstract

The present invention relates to a kind of cooker burners, including foundation ring and external ring fire cover, the bottom of external ring fire cover, which has, extends downwardly and mounts the support portion on foundation ring, and the notch upwardly extended from bottom margin is provided on support portion, encloses the fire hole that gas supply stream passes through between notch and foundation ring jointly;The bottom of external ring fire cover is provided with the annular ring for being centered around support portion periphery, diffusion chamber is formed between annular ring and support portion, and the top surface of diffusion chamber is located above fire hole.The present invention is when in use, air can carry out secondary mix with combustion gas diffusion is intracavitary, and since the top surface of diffusion chamber is located above fire hole, combustion gas can more fully be mixed at diffusion chamber with air, annular ring can also slow down to exit flow, to make fire hole be not easy to guarantee that flame can stablize burning from flame;There is certain distance between fire hole outlet and the outside wall surface of external ring fire cover, soup etc. is not easy to flow directly into fire hole along the wall surface of external ring fire cover when discharge, alleviates the blocked risk of fire hole.

Description

A kind of cooker burner
Technical field
The present invention relates to a kind of cooker burners for kitchen use.
Background technique
Existing cooker burner generally all includes burner and the interior ring fire cover, the external ring fire cover that are mounted on burner, combustion When burner works, inner-ring fire and outer ring fire are respectively formed on interior ring fire cover and external ring fire cover.
For example, a kind of China patent " endogenous fire of household gas burner of Patent No. ZL 201310426955.9 The burner of lid and the application fire cover " disclose a kind of structure comprising and inner fire cover ontology, inner fire cover ontology include under shed Cylinder, the radial fire hole that cylinder top is set and the interface positioned at cylinder lower part, on the outer circumferential surface of the cylinder on interface top There is annular groove, there is the fire hole of perforation lower wall panels in the axial lower wall panels of annular groove.The combustion of endogenous fire upper part of the cover radial direction fire hole While burning, the fire hole in annular groove also burns, what the burning of the fire hole in annular groove burnt to the fire hole on cylinder top Flame root generates pulling force and improves efficiency of combustion to prevent inner fire cover from generating from flame.Patent No. " a kind of outer-ring fire cover for gas burner " disclosed in the Chinese utility model patent of ZL200920112857.7, external ring fire cover is outside Stable flame hole is offered on side, stable flame hole is located at below outer ring fire hole and is alternately arranged with outer ring fire hole, stable flame hole inner end and fire The blast tube of lid is connected to, since the setting of stable flame hole is so that efficiency of combustion greatly improves, it is possible to reduce indoor carbon monoxide Discharge.Although above-mentioned improved external ring fire cover structure has certain steady flame effect, the outer ring fire of the external ring fire cover The auxiliary air in hole cannot be supplemented well, and it still needs further improvement for steady flame effect.
Summary of the invention
It can be improved by diffusion the technical problem to be solved by the invention for the present situation of prior art is to provide a kind of The cooker burner of steady flame effect.
The technical scheme of the invention to solve the technical problem is: a kind of cooker burner, including foundation ring and set External ring fire cover on the foundation ring, it is characterised in that: the bottom periphery of the external ring fire cover, which has, to be extended downwardly and mount the bottom of at Support portion on circle is circumferentially provided with multiple radial indentations upwardly extended from bottom margin, the radial indentation on the support portion Enclose the fire hole that gas supply stream passes through jointly between foundation ring;The bottom of the external ring fire cover, which is additionally provided with, to be centered around outside support portion The annular ring in week is formed with diffusion chamber between the annular ring and support portion, and the roof of the diffusion chamber is located above fire hole.
As an improvement, the fire hole roof is configured to from inside to outside gradually acclivitous inclined-plane, and the outside on the inclined-plane Being provided at edge can be to the baffle that air-flow is disturbed.The corresponding baffle of each fire hole is at least a piece of, or multi-disc.If Can not only fuel gas flow be disturbed by setting the baffle, improved fuel gas flow at diffusion chamber and the mixing velocity of air, may be used also Drawing effect is prevented to play.
Preferably, the outer surface of the baffle and the outer peripheral surface of support portion are flush, the inner surface and fire hole of the baffle Arrangement at an acute angle between the inner surface at top.The outer peripheral surface of the outer surface and support portion that make baffle is flush, to ensure diffusion chamber In air mass flow be unaffected, and acute angle will be set as between baffle inner surface and the inner surface of fire hole roof, can risen It is acted on to better rough air.
Preferably, in 20~80 ° of angle arrangements between the inner surface of the baffle and the inner surface of fire hole roof.
It improves again, the outer edge at the top of the foundation ring is recessed downwards the step surface being formed with along foundation ring circumferentially, should The interior middle part along corresponding annular ring lower surface of step surface is arranged.The step surface is set, the combustion of combustion gas is on the one hand increased Area is burnt, prevents on the other hand to be conducive to space from flame and pour in diffusion chamber, plays booster action for diffusion, furthermore it is also possible to First of defense reaction is played in discharge, and food raffinate is avoided to enter diffusion chamber even fire hole.
It is further improved, there is the first heat transmission fin to extend internally, which is at least 3 on the foundation ring Piece and the arranged for interval on the inner peripheral surface of foundation ring.The structure is set, and it is thermally conductive that the heat that when fuel gas buring generates can pass to first Fin, and the combustion gas before being delivered to fire hole is preheated using the first heat transmission fin, to efficiently use heat, save energy Source;Meanwhile heat transfer is conducive to the reduction of foundation ring, external ring fire cover and burner itself heat to the first heat transmission fin, reduces heat Amount is transmitted to inside kitchen range, the temperature rise of gas-cooker inner cavity.
For the ease of assembly, the top of the foundation ring has an annular support surface close to inward flange arrangement, the supporting surface at Shape is inclined inclined-plane gradually downward from outside to inside, and corresponding, the bottom outer-edge of the support portion is formed with and the supporting surface phase Matched first inclined-plane.
Preferably, the bottom inner edge of the support portion is formed with from outside to inside gradually acclivitous second inclined-plane, this The upper edge on two inclined-planes is higher than the upper edge on the first inclined-plane.The structure expands the air inlet open area of fire hole, and it is defeated to be conducive to combustion gas It send.
In the above embodiments, the cooker burner further includes burner and the first ejector pipe, the external ring fire cover and Foundation ring is set to the top of burner and encloses outer mixing chamber between burner, and the first end of first ejector pipe outer is mixed with this Chamber is connected, and second end is connect with gas source.
Preferably, the cooker burner further includes interior ring fire cover and the second ejector pipe, is provided on the burner solely Inner mixing chamber existing for outer mixing chamber is stood on, and the inner mixing chamber is located at the inner circumferential of outer mixing chamber, the interior ring fire cover is set to interior The first end at the top of mixing chamber, second ejector pipe is connected with inner mixing chamber, and second end is connect with gas source.
Further preferably, it is provided with the second heat transmission fin between the outer mixing chamber and inner mixing chamber, the second thermally conductive wing Piece is at least 3 and arranged for interval is between the outside wall surface of outer mixing chamber and the outside wall surface of inner mixing chamber.The structure is set, it can benefit The combustion gas before being delivered to interior ring fire cover is preheated with the second heat transmission fin, improves energy utilization rate.
Compared with the prior art, the advantages of the present invention are as follows: the present invention is provided in the bottom of external ring fire cover and is centered around branch The annular ring of support part periphery is formed with diffusion chamber between the annular ring and support portion, in use, air can and combustion intracavitary in diffusion Gas carries out secondary mixing, and since the top surface of diffusion chamber is located above fire hole, and combustion gas can carry out more at diffusion chamber with air Adequately mixing, meanwhile, annular ring can also slow down to exit flow, so that fire hole be made to be not easy to guarantee flame from flame Burning can be stablized;In addition, there is certain distance, discharge between fire hole outlet and the outside wall surface of external ring fire cover after setting annular ring When soup etc. be not easy to flow directly into fire hole along the wall surface of external ring fire cover, alleviate the blocked risk of fire hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2;
Fig. 4 is the exploded view of Fig. 1;
Fig. 5 is the structural schematic diagram of another angle of Fig. 4.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Fig. 1~5, the cooker burner of the present embodiment include burner 1, foundation ring 2, external ring fire cover 3, interior ring fire cover 4, First ejector pipe 5 and the second ejector pipe 6.Foundation ring 2, external ring fire cover 3, interior ring fire cover 4 be set to burner 1 on, the first ejector pipe 5 and Second ejector pipe 6 is connected with burner 1 respectively.
Specifically, external ring fire cover 3 and foundation ring 1 are set to the top outer ring of burner and enclose outer mixing chamber between burner 1 10, the first end of the first ejector pipe 5 is connected with the outer mixing chamber 10, and second end is connect with gas source;It is arranged on the inner ring of burner 1 Have independently of inner mixing chamber 20 existing for outer mixing chamber 10, and the inner mixing chamber 20 is located at the inner circumferential of outer mixing chamber 10, interior ring fire Lid 4 is set to the top of inner mixing chamber 20, and the first end of the second ejector pipe 6 is connected with inner mixing chamber 20, and second end and gas source connect It connects.The second heat transmission fin 102 is provided between outer mixing chamber 10 and inner mixing chamber 10, second heat transmission fin 102 be multi-disc simultaneously Arranged for interval is between the outside wall surface of outer mixing chamber 10 and the outside wall surface of inner mixing chamber 20, and the second heat transmission fin 102 and inner ring The fire hole 41 of fire cover 4 is in contact, and to be preheated using the second heat transmission fin 102 to the combustion gas before being delivered to interior ring fire cover 4, mentions High energy source utilization rate.
In the present embodiment, the bottom periphery of external ring fire cover 3 has and extends downwardly and mount the support portion on foundation ring 2 31, be circumferentially provided with multiple radial indentations 311 upwardly extended from bottom margin on the support portion 31, the radial indentation 311 with The fire hole 32 that gas supply stream passes through is enclosed between foundation ring 2 jointly.2 tops of foundation ring have the annular brace close to inward flange arrangement Face 22, the supporting surface 22 are configured to from outside to inside inclined inclined-plane gradually downward, and corresponding, the bottom outer-edge of support portion 31 is formed There is the first inclined-plane 312 to match with the supporting surface 22, the bottom inner edge of support portion 31 is formed with from outside to inside gradually to updip The second oblique inclined-plane 313, the upper edge on second inclined-plane 313 are higher than the upper edge on the first inclined-plane 312, which expands fire hole 32 air inlet open area, is conducive to fuel gas transmission.
The bottom of the external ring fire cover 3 of the present embodiment is additionally provided with the annular ring 33 for being centered around 31 periphery of support portion, the annular Diffusion chamber 34 is formed between circle 33 and support portion 31, and the top surface 341 of the diffusion chamber 34 is located at 32 top of fire hole.Fire hole 32 pushes up The inner surface 321 of wall is configured to from inside to outside gradually acclivitous inclined-plane, and be provided with can be to gas for the outer edge on the inclined-plane The baffle 35 that stream is disturbed.The corresponding baffle 35 of each fire hole 32 is at least a piece of, or multi-disc.The baffle 35 is set Fuel gas flow can not only be disturbed, improve fuel gas flow at diffusion chamber 34 and the mixing velocity of air, can also play Prevent drawing effect.The outer surface of baffle 35 and the outer peripheral surface of support portion 31 are flush, the inner surface and fire hole roof of baffle 35 Inner surface between angle theta it is at an acute angle, preferably 20~80 °.Make outer peripheral surface phase of the outer surface of baffle 35 with support portion 31 It flushes, to ensure that the air mass flow in diffusion chamber 34 is unaffected, and will be in 35 inner surface of baffle and 32 roof of fire hole It is set as acute angle between surface, better rough air can be played the role of.
The outer edge at the top of foundation ring 2 of the present embodiment is recessed downwards the step surface 21 being formed with along foundation ring 2 circumferentially, The interior middle part along 211 corresponding 33 lower surfaces 331 of annular ring of the step surface 21 is arranged.The step surface 21 is set, is on the one hand increased The burning area of combustion gas prevents on the other hand to be conducive to space from flame and pour in diffusion chamber 34, plays booster action for diffusion, Furthermore it is also possible to play first of defense reaction in discharge, food raffinate is avoided to enter the even fire hole 32 of diffusion chamber 34.Foundation ring There is the first heat transmission fin 23 to extend internally, which is at least 3 and on the inner peripheral surface of foundation ring 22 on 2 Arranged for interval.The structure is set, and the heat that when fuel gas buring generates can pass to the first heat transmission fin, and utilize the first thermally conductive wing Piece 23 preheats the combustion gas before being delivered to fire hole 32, so that heat is efficiently used, it is energy saving;Meanwhile heat transfer is given First heat transmission fin 23, which is conducive to foundation ring 2, external ring fire cover 3 and burner heat itself, to be reduced, and is reduced in heat transfer to kitchen range Portion, the temperature rise of gas-cooker inner cavity.
The burner of the present embodiment when in use, air can in diffusion chamber 34 with combustion gas carry out it is secondary mix, and due to The top surface of diffusion chamber 34 is located at 32 top of fire hole, and combustion gas can more fully be mixed at diffusion chamber 34 with air, meanwhile, Annular ring 33 can also slow down to exit flow, so that fire hole be made to be not easy to guarantee that flame can stablize burning from flame;Separately Outside, after annular ring 33 is set, there is certain distance between the outlet of fire hole 32 and the outside wall surface of external ring fire cover 3, soup etc. when discharge It is not easy to flow directly into fire hole along the wall surface of external ring fire cover, alleviates the blocked risk of fire hole.

Claims (11)

1. a kind of cooker burner, including foundation ring (2) and the external ring fire cover (3) being set on the foundation ring (2), it is characterised in that: institute The bottom periphery for stating external ring fire cover (3), which has, extends downwardly and mounts the support portion (31) on foundation ring (2), the support portion (31) On be circumferentially provided with multiple radial indentations (311) upwardly extended from bottom margin, the radial indentation (311) and foundation ring (2) it Between enclose the fire hole (32) that passes through of gas supply stream jointly;The bottom of the external ring fire cover (3), which is additionally provided with, is centered around support portion (31) annular ring (33) of periphery is formed with diffusion chamber (34) between the annular ring (33) and support portion (31), and the diffusion chamber (34) roof is located above fire hole (32).
2. cooker burner according to claim 1, it is characterised in that: the inner surface (321) of fire hole (32) roof It is configured to gradually acclivitous inclined-plane from inside to outside, and be provided with can be to the gear that air-flow is disturbed for the outer edge on the inclined-plane Piece (35).
3. cooker burner according to claim 2, it is characterised in that: the outer surface of the baffle (35) and support portion Outer peripheral surface is flush, and the angle theta between the inner surface of the baffle (35) and the inner surface (321) of fire hole (32) roof is at an acute angle Arrangement.
4. cooker burner according to claim 3, it is characterised in that: the inner surface of the baffle (35) and fire hole (32) In 20~80 ° of angle arrangements between the inner surface (32) of roof.
5. cooker burner according to claim 1, it is characterised in that: the outer edge at the top of the foundation ring (2) is downward Recess is formed with step surface (21) along foundation ring circumferentially, the step surface (21) it is interior along corresponding annular ring (33) following table The middle part in face is arranged.
6. cooker burner according to claim 1, it is characterised in that: have the to extend internally on the foundation ring (2) One heat transmission fin (23), first heat transmission fin (23) are at least 3 and the arranged for interval on the inner peripheral surface of foundation ring (2).
7. cooker burner according to any one of claims 1 to 6, it is characterised in that: the foundation ring (2) Top has the annular support surface (22) close to inward flange arrangement, which is configured to tilt gradually downward from outside to inside Inclined-plane, corresponding, the bottom outer-edge of the support portion (31) is formed with the first inclined-plane to match with the supporting surface (22) (312)。
8. cooker burner according to claim 7, it is characterised in that: the bottom inner edge of the support portion (312) is formed There is gradually acclivitous second inclined-plane (313) from outside to inside, the upper edge on second inclined-plane (313) is higher than the first inclined-plane (312) upper edge.
9. cooker burner according to any one of claims 1 to 6, it is characterised in that: the kitchen range combustion Burner further includes burner (1) and the first ejector pipe (5), and the external ring fire cover (3) and foundation ring (2) are set to the top of burner (1) simultaneously It is enclosed between burner (1) outer mixing chamber (10), the first end of first ejector pipe (5) is connected with the outer mixing chamber (10) Logical, second end is connect with gas source.
10. cooker burner according to claim 7, it is characterised in that: the cooker burner further includes interior ring fire (4) and the second ejector pipe (6) are covered, is provided on the burner (1) independently of inner mixing chamber (20) existing for outer mixing chamber (10), And the inner mixing chamber (20) is located at the inner circumferential of outer mixing chamber (10), the interior ring fire cover (4) is set to the top of inner mixing chamber (20), The first end of second ejector pipe (6) is connected with inner mixing chamber (20), and second end is connect with gas source.
11. cooker burner according to claim 10, it is characterised in that: the outer mixing chamber (10) and inner mixing chamber (20) the second heat transmission fin (102) are provided between, which is at least 3 and arranged for interval is in outer mixed It closes between the outside wall surface of chamber (10) and the outside wall surface of inner mixing chamber (20).
CN201710915016.9A 2017-09-30 2017-09-30 A kind of cooker burner Pending CN109595556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710915016.9A CN109595556A (en) 2017-09-30 2017-09-30 A kind of cooker burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710915016.9A CN109595556A (en) 2017-09-30 2017-09-30 A kind of cooker burner

Publications (1)

Publication Number Publication Date
CN109595556A true CN109595556A (en) 2019-04-09

Family

ID=65955544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710915016.9A Pending CN109595556A (en) 2017-09-30 2017-09-30 A kind of cooker burner

Country Status (1)

Country Link
CN (1) CN109595556A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864290A (en) * 2019-10-09 2020-03-06 宁波方太厨具有限公司 Stove burner
CN111853789A (en) * 2020-07-17 2020-10-30 海信(广东)厨卫系统有限公司 Flat-plate combustor and flat-plate gas stove

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864290A (en) * 2019-10-09 2020-03-06 宁波方太厨具有限公司 Stove burner
CN110864290B (en) * 2019-10-09 2021-10-29 宁波方太厨具有限公司 Stove burner
CN111853789A (en) * 2020-07-17 2020-10-30 海信(广东)厨卫系统有限公司 Flat-plate combustor and flat-plate gas stove

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