CN104964279B - Cooker burner - Google Patents

Cooker burner Download PDF

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Publication number
CN104964279B
CN104964279B CN201510335122.0A CN201510335122A CN104964279B CN 104964279 B CN104964279 B CN 104964279B CN 201510335122 A CN201510335122 A CN 201510335122A CN 104964279 B CN104964279 B CN 104964279B
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CN
China
Prior art keywords
shroud
cavity
gas outlet
ring
distribution plate
Prior art date
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CN201510335122.0A
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Chinese (zh)
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CN104964279A (en
Inventor
刘晓刚
程永超
茅忠群
诸永定
郑军妹
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
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201510335122.0A priority Critical patent/CN104964279B/en
Publication of CN104964279A publication Critical patent/CN104964279A/en
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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
    • 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
    • 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
    • F23D14/70Baffles or like flow-disturbing devices

Abstract

The invention discloses a cooker burner which comprises a burner head, an outer ring gas ejecting pipe, an inner ring gas ejecting pipe, an outer ring fire cover and an inner ring fire cover. The burner head is provided with an outer ring cavity and an inner ring cavity. A splitting plate is arranged in the outer ring cavity, and a section of arc concave part is formed in the circumference direction of the bottom of the outer ring cavity. A gas inlet communicated with an outer ring gas outlet is formed in one side of the concave part, and the other side of the concave part is jointed with the side, not concaved, of the bottom of the outer ring cavity through a guiding inclined face. The splitting plate is arranged above the concave part, and a gas outlet is formed in the position, corresponding to the guiding inclined face, of the splitting plate. According to the cooker burner, the splitting plate has the function of enlarging the distance of the outer ring ejecting pipe to promote the ejecting capability to be improved, in addition, outer ring gas can flow forwards in the annular direction after flowing out from the gas outlet through the guiding inclined face, mixing of air and the gas can be enhanced so that the gas can be distributed above the splitting plate more evenly, gas can be discharged from a fire hole evenly, burning is more sufficient, and the burning efficiency of the burner is improved.

Description

A kind of cooker burner
Technical field
The present invention relates to a kind of burner, more particularly, to a kind of cooker burner.
Background technology
The problem that most of cooker burners are commonly present at present is that the combustion gas at the gas outlet in gas outlet road mixes air pressure Power is high, and the fire hole outlet of fire cover is uneven, easily produces yellow fire, from flame, de- fire etc. on particularly adjacent with gas outlet fire hole Phenomenon, causes that the flame distribution of fire cover is uneven, and fuel gas buring is insufficient.Additionally, ejector capacity and air are equal with combustion gas mixing The efficiency of combustion of cooker burner can be directly affected, injection and combustion gas mixing scarce capacity can cause efficiency of combustion relatively low and flue gas It is too high, it is unfavorable for energy-conserving and environment-protective.
In prior art it is general by arranging flow distribution plate reducing the combustion gas initial pressure at gas outlet.Such as the patent No. Disclosed in the Chinese utility model patent of ZL 200920236836.6 (Authorization Notice No. is 201547778 U of CN)《Entirely Face air intaking type burner》, the burner includes burner seat, point fire cover seat, interior point of fire cover and outer fire seperating lid, has on burner seat Endogenous fire air inlet pipe, outer fiery air inlet pipe, endogenous fire air inlet pipe end have a nozzle, and gas outlet road is by outer induction tunnel and outer shroud fuel tank Connection, has decompression flow distribution plate in outer shroud fuel tank, has several decompression tap holes on decompression flow distribution plate, and decompression flow distribution plate is upper Above the gas outlet in gas outlet road.And for example (Authorization Notice No. is CN to Patent No. ZL 20320463264.6 204042893 U) Chinese utility model patent disclosed in《A kind of two ring fire high-power burners》, the high-power combustion of the bicyclo- Burner is provided with the flow distribution plate of annular, is circumferentially evenly equipped with gas port, can be dropped by gas port on flow distribution plate Low gas pressure power.Although the burner in above-mentioned documents can reduce gaseous-pressure by arranging flow distribution plate, due to combustion Straight up, and the outer shroud fuel tank below flow distribution plate is full symmetric loop configuration for gas gas outlet, thus combustion gas All directly flowed out to above flow distribution plate straight up from decompression tap hole (gas port), be unfavorable for that combustion gas is evenly distributed on flow distribution plate Top, causes outlet not uniform enough, and then the efficiency of combustion to burner is lifted effectively.Additionally, gas outlet is straight up Setting will not also strengthen the ejector capacity of induction tunnel, so as to be unfavorable for improving the efficiency of combustion of burner.
The content of the invention
The technical problem to be solved is for above-mentioned state of the art, there is provided one kind can make outer shroud induction tunnel Ejector capacity strengthen and make the cooker burner that air and combustion gas mixing are more uniformly distributed.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for:The cooker burner, including the combustion of burner, outer shroud Gas injection pipe, internal ring combustion gas induction tunnel, external ring fire cover and interior ring fire cover, the burner have outer shroud cavity and internal ring cavity, institute The outer shroud gas outlet for stating outer shroud combustion gas induction tunnel is connected with outer shroud cavity, and the internal ring combustion gas of the internal ring combustion gas induction tunnel goes out Mouth is connected with internal ring cavity, and the external ring fire cover is placed on outer shroud cavity, and the interior ring fire cover is placed on internal ring cavity, in institute The outer shroud inside cavity stated is provided with flow distribution plate, it is characterised in that:The outer shroud cavity bottom is circumferentially formed with one section The depressed part of arc, depressed part side in a circumferential direction are provided with the air inlet communicated with the outer shroud gas outlet, Mutually hold in the mouth side of the depressed part opposite side in a circumferential direction by guiding surface with the non-female of outer shroud cavity bottom Connect, the flow distribution plate is provided with gas outlet located at the top of depressed part and in the position corresponding to guiding surface.
Preferably, the outgassing direction of the outer shroud gas outlet is for horizontal direction and just to described air inlet.Outer shroud fires Gas Way out can further lift ejector capacity, and then combustor efficiency is able to into one using after above-mentioned outgassing direction Step is lifted.
Further preferably, described guiding surface be from the non-female of the outside ring cavity bottom of the depressed part from lower and The spiral type guiding surface of rising.By arranging spiral type guiding surface, outer shroud combustion gas is from energy after the outflow of flow distribution plate gas outlet Rotation by a small margin is formed, so as to further enhance the mixing of air and combustion gas, enables combustion gas to be more equally distributed in flow distribution plate Top, and then make fire hole go out fire more to have uniform, burner combustion is in hgher efficiency.
Preferably, the outlet area of the gas outlet is matched with the area of the guiding surface.Outlet open area is set Count into roughly the same with guiding surface area, can give full play to guide effect of the guiding surface to combustion gas, more conducively combustion gas from Gas outlet out after combustion gas can be enable more uniformly along circumferential direction flow forward so as to strengthen the mixing of air and combustion gas It is distributed in above flow distribution plate.
In order that gaseous-pressure is more uniformly distributed, on the flow distribution plate above the depressed part and near outer shroud gas outlet Side is provided with tap hole.So, from after the outflow of outer shroud gas outlet, Some gases can be flowed out by tap hole for combustion gas, shunting Play a part of to buffer gaseous-pressure in hole.
Used as a kind of preferred version, the flow distribution plate is located at and is formed in part with stop part between tap hole and gas outlet. After arranging stop part, combustion gas will will not be split from before gas outlet, so that the combustion gas for flowing to gas outlet is maintained Enough pressure, beneficial to combustion gas from gas outlet out after can along circumferential direction continue forward flowing, such that it is able to make air with The mixing of combustion gas is more uniformly distributed.
Used as another kind of preferred version, described tap hole is disposed adjacent with gas outlet.So, outer shroud combustion gas is from gas outlet Before outflow, constantly can be shunted by tap hole.
Gas outlet and tap hole can have various structures, it is preferable that described gas outlet is the breach being open towards inner side, Described tap hole has multiple and arranges in the form of an array.Tap hole can adopt circular hole, square hole, slotted eye or other shapes The hole of shape, gas outlet can also be in the form of through holes.
Flow distribution plate can have various shapes, as a kind of preferred version of flow distribution plate, described flow distribution plate in a ring, this point Stream plate is shelved and is fixed on the non-female of the outer shroud cavity.
The part not being recessed as another kind of preferred version of flow distribution plate, the outer shroud cavity and flow distribution plate are in semi-circular Or substantially in semi-circular, the flow distribution plate is integrally located at the top of the depressed part, and the two ends of flow distribution plate are separately fixed at institute State the corresponding end of the non-female of outer shroud cavity.
Compared with prior art, it is an advantage of the current invention that:Due to the cooker burner in outer ring cavity bottom along circle Circumferential direction is formed with the depressed part of one section of arc, and the side of depressed part is communicated with outer shroud gas outlet by air inlet, depression The opposite side in portion is mutually connected by the part that guiding surface is not recessed with outer shroud cavity, and flow distribution plate is positioned at the top of depressed part and right Gas outlet should be provided with the position of guiding surface, thus flow distribution plate functions as the induction tunnel lengthening distance for making outer shroud, promotees Strengthen ejector capacity, and outer shroud combustion gas through guiding surface from gas outlet outflow after can along circumferential direction flow forward, The mixing of air and combustion gas can be strengthened, combustion gas is more equally distributed in above flow distribution plate so that fire hole outlet it is uniform, Burning is more abundant, and then improves the efficiency of combustion of burner.
Description of the drawings
Structural representations of the Fig. 1 for the embodiment of the present invention one;
Perspective exploded views of the Fig. 2 for the embodiment of the present invention one;
Structural representations of the Fig. 3 for the burner of the embodiment of the present invention one;
Fig. 4 removes the structural representation after external ring fire cover for the embodiment of the present invention one;
Structural representations of the Fig. 5 for the flow distribution plate of the embodiment of the present invention one;
Fig. 6 removes the structural representation after external ring fire cover for the embodiment of the present invention two;
Structural representations of the Fig. 7 for the flow distribution plate of the embodiment of the present invention two.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one:
As shown in Figures 1 to 5, the cooker burner in the present embodiment includes burner 1, the combustion of outer shroud combustion gas induction tunnel 2, internal ring The components such as gas injection pipe 3, external ring fire cover 4, interior ring fire cover 5, flow distribution plate 6, main burner 7 and auxiliary jet 8.Wherein, burner 1 has outer Ring cavity body 11 and internal ring cavity 12, outer shroud combustion gas induction tunnel 2 and internal ring combustion gas induction tunnel 3 are located at outer shroud cavity 11 and internal ring cavity 12 lower section, the outer shroud gas outlet 21 of outer shroud combustion gas induction tunnel 2 are connected with outer shroud cavity 11, internal ring combustion gas induction tunnel 3 Internal ring gas outlet 31 is connected with internal ring cavity 12.22 phase of outer shroud fuel gas inlet of main burner 7 and outer shroud combustion gas induction tunnel 2 Even, auxiliary jet 7 is connected with the internal ring fuel gas inlet 32 of internal ring combustion gas induction tunnel 3.External ring fire cover 4 is placed on outer shroud cavity 11, interior Ring fire cover 5 is placed on internal ring cavity 12.In the present embodiment, outer shroud cavity 11 is separate with internal ring cavity 12, in order to preferably Auxiliary air is supplemented, is provided with the side wall of burner 1 for the flame to external ring fire cover 4 and interior ring fire cover 5 and then auxiliary air Supplementary air duct 9.
11 bottom of outer shroud cavity is circumferentially formed with the depressed part 111 of one section of arc, and depressed part 111 is circumferentially The side in direction is provided with the air inlet 112 communicated with outer shroud gas outlet 21, also, the outgassing direction of outer shroud gas outlet 21 is Horizontal direction just to the air inlet 112, the opposite side circumferentially of depressed part 111 passes through guiding surface 113 and outer shroud The side of the non-female in 11 bottom of cavity is mutually connected, and in the present embodiment, guiding surface 113 is outside from the depressed part 111 The spiral type guiding surface that the non-female in 11 bottom of ring cavity body rises from bottom to top.
Flow distribution plate 6 is provided with gas outlet 61 located at the top of depressed part 111 and in the position corresponding to guiding surface 113, and And, outlet area and the area of guiding surface 113 of gas outlet 61 match.So, by the outlet area design of gas outlet 61 Into roughly the same with 113 area of guiding surface, guide effect of the guiding surface 113 to combustion gas can be given full play to, is more conducively fired Gas from gas outlet 61 out after combustion gas can be enable more along circumferential direction flow forward so as to strengthen the mixing of air and combustion gas It is evenly distributed in above flow distribution plate 6.Additionally, using after spiral guiding surface, outer shroud combustion gas is from the gas outlet of flow distribution plate 6 Rotation by a small margin can be formed after 61 outflows, so as to further enhance the mixing of air and combustion gas, combustion gas is more uniformly divided Cloth is above flow distribution plate 6, and then makes fire hole go out fire more to have uniform, and burner combustion is in hgher efficiency.
In the present embodiment, flow distribution plate 6 is in semi-circular, the 6 overall top located at depressed part 111 of flow distribution plate, and flow distribution plate 6 Two ends are separately fixed at the corresponding end of 11 non-female of outer shroud cavity, and after flow distribution plate 6 is installed, external ring fire cover 5 is located at and divides Above stream plate 6, outer shroud gas outlet 21 is below flow distribution plate 6.On the flow distribution plate 6 above depressed part 111 and near outer shroud The side of gas outlet 21 is provided with tap hole 62, and the tap hole 62 in the present embodiment is using the multiple circles arranged in the form of an array Hole.Gas outlet 61 in the present embodiment adopts breach of the opening towards inner side.In addition, the flow distribution plate 6 in the present embodiment is in shunting Part between hole 62 and gas outlet 61 forms stop part 63, and by arranging after the stop part 63, combustion gas will be from gas outlet 61 Will not be split before outflow, so that the combustion gas for flowing to gas outlet 61 maintains enough pressure, beneficial to combustion gas from gas outlet 61 out after can along circumferential direction continue forward flowing, such that it is able to be more uniformly distributed air and the mixing of combustion gas.
Embodiment two:
As shown in Figure 6 and Figure 7, the flow distribution plate 6 in the present embodiment in a ring, shelve and be fixed on outer shroud cavity by flow distribution plate 6 On 11 non-female.Also, the tap hole 62 on flow distribution plate 6 is disposed adjacent with gas outlet 61, i.e. outer shroud combustion gas is from outlet Before mouth flows out, combustion gas is constantly shunted by tap hole 62.Fire in other structures in the present embodiment and embodiment one The structure of burner is identical, and here does not launch description.

Claims (10)

1. a kind of cooker burner, including burner (1), outer shroud combustion gas induction tunnel (2), internal ring combustion gas induction tunnel (3) external ring fire cover (4) and interior ring fire cover (5), the burner (1) is with outer shroud cavity (11) and internal ring cavity (12), the outer shroud combustion gas induction tunnel (2) outer shroud gas outlet (21) is connected with outer shroud cavity (11), the internal ring gas outlet of the internal ring combustion gas induction tunnel (3) (31) it is connected with internal ring cavity (12), the external ring fire cover (4) is placed on outer shroud cavity (11), the interior ring fire cover (5) is put On internal ring cavity (12), flow distribution plate (6) is provided with inside described outer shroud cavity (11), it is characterised in that:The outer ring cavity Body (11) bottom is circumferentially formed with the depressed part (111) of one section of arc, and the depressed part (111) is in a circumferential direction Side be provided with the air inlet (112) communicated with the outer shroud gas outlet (21), the depressed part (111) is in a circumferential direction Opposite side be mutually connected with the side of the non-female in outer shroud cavity (11) bottom by guiding surface (113), the flow distribution plate (6) located at the top of depressed part (111) and gas outlet (61) is being provided with corresponding to the position of guiding surface (113).
2. cooker burner according to claim 1, it is characterised in that:The outgassing direction of the outer shroud gas outlet (21) For horizontal direction and just to described air inlet (112).
3. cooker burner according to claim 1, it is characterised in that:Described guiding surface (113) is from described recessed Sunken portion (111) the spiral type guiding surface that outwards the non-female in ring cavity body (11) bottom rises from bottom to top.
4. cooker burner according to claim 1, it is characterised in that:The outlet area of the gas outlet (61) with it is described The area of guiding surface (113) matches.
5. cooker burner according to claim 1, it is characterised in that:It is characterized in that:On the depressed part (111) Tap hole (62) is provided with the flow distribution plate (6) of side and near the side of outer shroud gas outlet (21).
6. cooker burner according to claim 5, it is characterised in that:The flow distribution plate (6) positioned at tap hole (62) with Stop part (63) is formed in part between gas outlet (61).
7. cooker burner according to claim 5, it is characterised in that:Described tap hole (62) and gas outlet (61) phase It is adjacent to arrange.
8. cooker burner according to claim 5, it is characterised in that:Described gas outlet (61) is opening towards inner side Breach, described tap hole (62) has multiple and arranges in the form of an array.
9. the cooker burner according to any claim in claim 1 to 8, it is characterised in that:Described flow distribution plate (6) in a ring, the flow distribution plate (6) is shelved and is fixed on the non-female of the outer shroud cavity (11).
10. the cooker burner according to any claim in claim 1 to 8, it is characterised in that:The outer shroud cavity (11) part not being recessed and flow distribution plate (6) are in semi-circular or are substantially in semi-circular, and the flow distribution plate (6) is integrally located at described The top of depressed part (111), and the two ends of flow distribution plate (6) are separately fixed at the correspondence of the non-female of the outer shroud cavity (11) End.
CN201510335122.0A 2015-06-15 2015-06-15 Cooker burner Active CN104964279B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510335122.0A CN104964279B (en) 2015-06-15 2015-06-15 Cooker burner

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Application Number Priority Date Filing Date Title
CN201510335122.0A CN104964279B (en) 2015-06-15 2015-06-15 Cooker burner

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CN104964279A CN104964279A (en) 2015-10-07
CN104964279B true CN104964279B (en) 2017-04-12

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112856412B (en) * 2021-01-12 2022-03-29 宁波方太厨具有限公司 Combustor base, combustor and cooking utensils
CN112856415A (en) * 2021-01-27 2021-05-28 广东超人节能厨卫电器有限公司 Furnace end subassembly and gas cooking utensils

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014452Y (en) * 2007-03-23 2008-01-30 罗子健 Face air intake type stove burner
EP2597370A1 (en) * 2011-11-24 2013-05-29 LN 2 S.R.L. a socio unico An air-gas mixer device for gas burners with pre-mixing
CN203162957U (en) * 2013-04-03 2013-08-28 樱花卫厨(中国)股份有限公司 Furnace end cooker burner
CN203454137U (en) * 2013-07-26 2014-02-26 中山市华创燃具制造有限公司 Stove burner with outer fire cover formed through punching
CN203605222U (en) * 2013-10-30 2014-05-21 港华投资有限公司 Outer burner cap of gas burner and gas burner
EP2801760A1 (en) * 2013-03-04 2014-11-12 Song, Keum Seok Fan-metal fiber gas burner
CN204042893U (en) * 2014-08-18 2014-12-24 况军 A kind of two ring fire high-power burners
CN204730199U (en) * 2015-06-15 2015-10-28 宁波方太厨具有限公司 A kind of New type kitchen range burner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014452Y (en) * 2007-03-23 2008-01-30 罗子健 Face air intake type stove burner
EP2597370A1 (en) * 2011-11-24 2013-05-29 LN 2 S.R.L. a socio unico An air-gas mixer device for gas burners with pre-mixing
EP2801760A1 (en) * 2013-03-04 2014-11-12 Song, Keum Seok Fan-metal fiber gas burner
CN203162957U (en) * 2013-04-03 2013-08-28 樱花卫厨(中国)股份有限公司 Furnace end cooker burner
CN203454137U (en) * 2013-07-26 2014-02-26 中山市华创燃具制造有限公司 Stove burner with outer fire cover formed through punching
CN203605222U (en) * 2013-10-30 2014-05-21 港华投资有限公司 Outer burner cap of gas burner and gas burner
CN204042893U (en) * 2014-08-18 2014-12-24 况军 A kind of two ring fire high-power burners
CN204730199U (en) * 2015-06-15 2015-10-28 宁波方太厨具有限公司 A kind of New type kitchen range burner

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