CN203810414U - Segmented combustion structure of inner ring of combustor - Google Patents
Segmented combustion structure of inner ring of combustor Download PDFInfo
- Publication number
- CN203810414U CN203810414U CN201420231237.6U CN201420231237U CN203810414U CN 203810414 U CN203810414 U CN 203810414U CN 201420231237 U CN201420231237 U CN 201420231237U CN 203810414 U CN203810414 U CN 203810414U
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- fire cover
- cover body
- air cavity
- mixed air
- fire
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Abstract
The utility model discloses a segmented combustion structure of an inner ring of a combustor. A fire-cover-body gas mixing cavity of an inner ring fire cover is divided into two cavities by the aid of a furnace head block, a main fire channel and an auxiliary fire channel which are located on a fire cover body are respectively distributed on the cavities, and a narrow auxiliary channel for mixed gas to enter the second cavity from the first cavity under the condition of a certain mixture pressure is formed between the cavities, so that the auxiliary fire channel has flames different in size under different conditions, the narrow auxiliary channel can be generated through forming reservation or thermal expansion, the combustor can maintain the best combusting area during big fire and small fire by the aid of different pressure in the cavities during combusting of big fire and small fire and different thermal expansion generated form the combustor, heating effect of the minimum fire is improved under the premise of guaranteeing the best combusting area in the minimum fire, and the segmented combustion structure is applicable to small fire simmering way of cooking.
Description
Technical field
The utility model relates to a kind of structure-improved of burner, relates in particular to the interior ring fire cover of sectional combustion structure, particularly burner and the furnace head base structure-improved of ring in a kind of burner, belongs to burner for gas stove field.
Background technology
The burner of existing gas-cooker is in order to meet consumer's serviceability, often need to have enough burning areas to make combustion gas obtain fully burning, this can realize by the best combustion area of adjusting burner, make fuel gas buring stable, make the performance such as toxic emission and the thermal efficiency all in optimum state simultaneously.But in daily culinary art, when adopting the Baoshang stewed minimum fire that often need to use burning kitchen range while boiling type cooking method such as cook congee, but be limited to combustion characteristics and the performance requirement of combustion gas, even if ensure that burner is in the time of best combustion area, more than the interior ring structure of conventional burners only can reach 0.45KW, flame is turned down and will be extinguished, and when flame is turned down, effectively flame is very short, almost there is no heat effect.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides the sectional combustion structure of ring in a kind of burner, this structure makes burner all can keep best combustion area in the time of big fire and little fire, has promoted the heating effect of minimum fire, is applicable to little fire and stewes slowly the cooking method simmering.
The utility model in order to solve the problems of the technologies described above adopted technical scheme is:
The sectional combustion structure of ring in a kind of burner, comprise that furnace head base and detachable location are arranged at the interior ring fire cover of furnace head base upper end, this interior ring fire cover comprises that one is the fire cover body of tubular structure, top sealing and the bottom opening of described fire cover body, the hollow part of fire cover body forms the mixed air cavity of fire cover body, the top of described fire cover body peripheral side facade is spaced apart to be provided with some rows and to be communicated with the mixed air cavity of fire cover body and extraneous main fiery passage, and middle part is spaced apart to be provided with some rows and to be communicated with the mixed air cavity of fire cover body and extraneous auxiliary fiery passage; Described furnace head base comprises the mixed air cavity of furnace head base that two ends are communicated with induction tunnel and the mixed air cavity of fire cover body respectively,
One end of periphery wall end face on fire cover body of the mixed air cavity of furnace head base radially extends to form a circle boss one, and this boss one be able to be placed in the mixed air cavity of fire cover body; The periphery wall of the mixed air cavity of furnace head base radially extends to form a circle boss two towards one end of induction tunnel, this boss two only peaks at the periphery wall lower end of fire cover body, and boss one end face to the distance between boss two end faces is less than the axial length of the mixed air cavity of fire cover body; On the upper side of described boss one, fire cover body, inside top surface face and fire cover body internal perisporium surround the mixed air cavity of the first fire cover body jointly, the mixed air cavity periphery wall of downside, boss two upper sides, fire cover body internal perisporium and furnace head base of described boss one surrounds the mixed air cavity of the second fire cover body jointly, and described main fiery passage is opened on the mixed air cavity of the first fire cover body, auxiliary fiery passage is opened on the mixed air cavity of the second fire cover body; Being provided with one can supply gaseous mixture enter the narrow and small accessory channel of the mixed air cavity of the second fire cover body from the mixed air cavity of the first fire cover body.
Its further technical scheme is:
The described structure that can enter the narrow and small accessory channel of the mixed air cavity of the second fire cover body from the mixed air cavity of the first fire cover body for gaseous mixture is: the periphery wall of described boss one pushes against in the internal perisporium of fire cover body, and on the periphery wall of the mixed air cavity of the furnace head base between boss one and boss two, offer the tiny through hole of some rows, the two ends of this tiny through hole are communicated with respectively the mixed air cavity of furnace head base and the mixed air cavity of the second fire cover body.
The diameter of described tiny through hole is 0.1-1.2mm, and optimum is 0.2-0.6mm.
The described structure that can enter the narrow and small accessory channel of the mixed air cavity of the second fire cover body from the mixed air cavity of the first fire cover body for gaseous mixture is: between the periphery wall of described boss one and the internal perisporium of fire cover body, be formed with the narrow and small annulus of a circle, the One-sided Widths of described annulus is 0.1-1.2mm, and optimum is 0.2-0.6mm.
Useful technique effect of the present utility model is: the sectional combustion structure of ring in this burner, utilize furnace head base that mixed the fire cover body of interior ring fire cover air cavity is divided into two cavitys, the main fiery passage and the auxiliary fiery passage that are positioned on fire cover body are distributed in respectively on these two cavitys, between these two cavitys, offering a narrow and small accessory channel that can enter for gaseous mixture the second cavity from the first cavity under certain gaseous mixture pressure condition, thereby make auxiliary fiery passage under different conditions, have different big or small flame, this narrow and small accessory channel can be reserved or thermal expansion generation by moulding, when this structure is utilized big fire and little fire burning, the interior different pressure of cavity and burner produce the difference of thermal expansion, make burner all can keep best burning area in the time of big fire and little fire, under the prerequisite of minimum fire guarantee best combustion area, promoted the heating effect of minimum fire simultaneously, be applicable to little fire and stew slowly the cooking method simmering.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment 1 (a);
Fig. 2 is the structural representation of the utility model specific embodiment 1 (b);
Fig. 3 is the structural representation of the utility model specific embodiment 2;
Wherein:
1-furnace head base; Ring fire cover in 2-;
3-fire cover body; 4-fire cover body mixes air cavity;
The main fiery passage of 5-; The auxiliary fiery passage of 6-;
7-furnace head base mixes air cavity; 8-boss one;
9-boss two; 10-the first fire cover body mixes air cavity;
11-the second fire cover body mixes air cavity; 12-accessory channel;
The tiny through hole of 13-; 14-annulus.
Detailed description of the invention
In conjunction with Fig. 1 to Fig. 3, the utility model is described in further detail.
In burner, a sectional combustion structure for ring, comprises furnace head base 1 and interior ring fire cover 2, and this detachable location of interior ring fire cover 2 is arranged at the upper end of furnace head base 1.This interior ring fire cover 2 comprises that one is the fire cover body 3 of tubular structure, is generally cylinder-like structure, and the top of this fire cover body 3 sealing bottom opening simultaneously, and the hollow part of fire cover body 3 tubular structures forms the mixed air cavity 4 of a fire cover body.This fire cover body 3 weeks spaced apart main fiery passage 5 of some rows that is provided with in top of facade laterally, the spaced apart auxiliary fiery passage 6 of some rows that is provided with in middle part, one end of main fiery passage 5 and auxiliary fiery passage 6 is all in communication with the outside, and the other end is all communicated with the mixed air cavity 4 of fire cover body.
Described furnace head base 1 is a cylinder matching with the tubular structure of interior ring fire cover 2, and the middle part of this cylinder offers the mixed air cavity 7 of a furnace head base vertically, and the two ends of the mixed air cavity 7 of this furnace head base are communicated with induction tunnel and the mixed air cavity 4 of fire cover body respectively.One end of periphery wall end face on fire cover body 3 of the mixed air cavity 7 of furnace head base has radially extended to form a circle boss 1, and the external diameter of this boss 1 just matches with the internal diameter of interior ring fire cover 2 tubular structures, and boss 1 be able to be placed in the mixed air cavity 4 of fire cover body.The periphery wall of the mixed air cavity 7 of this furnace head base has radially extended to form a circle boss 29 towards one end of induction tunnel, this boss 29 only peaks at the lower end of fire cover body periphery wall, and boss one 8 end faces to the distance between boss 29 end faces is less than the axial length of the mixed air cavity 7 of fire cover body.On boss one upper side, fire cover body, inside top surface face and fire cover body internal perisporium surround the mixed air cavity 10 of the first fire cover body jointly, the mixed air cavity periphery wall of boss one downside, boss two upper sides, fire cover body internal perisporium and furnace head base surrounds the mixed air cavity 11 of the second fire cover body jointly, and described main fiery passage 5 is opened on the mixed air cavity 10 of the first fire cover body, and described auxiliary fiery passage 6 is opened on the mixed air cavity 11 of the second fire cover body.Being provided with one can supply gaseous mixture enter the narrow and small accessory channel 12 of the mixed air cavity 11 of the second fire cover body from the mixed air cavity 10 of the first fire cover body.
Specific embodiment one:
The external diameter of described boss 1 just matches with the internal diameter of interior ring fire cover 2 tubular structures, boss 1 be able to be placed in the mixed air cavity 4 of fire cover body, between the periphery wall of boss 1 and the internal perisporium of fire cover body, be formed with the narrow and small annulus of a circle 14, the One-sided Widths of this annulus is 0.1-1.2mm, and area is 0.70～8.50cm
2, optimum One-sided Widths is 0.2-0.6mm, optimal area is 1.40-4.10cm
2.Utilize like this boss 1 that mixed fire cover body air cavity 4 is divided into two cavitys, be respectively the mixed air cavity 10 of the first fire cover body and the mixed air cavity 11 of the second fire cover body, utilize above-mentioned annulus to be communicated with between the two.
Above-mentioned annulus can produce by following two kinds of modes:
(a) the one, the external diameter that boss 1 is set when formed product is slightly less than the internal diameter of fire cover body tubular structure, and fire cover body 3 all adopts the consistent material of thermal coefficient of expansion to form with furnace head base 1, in the time of formed product, reserves an annulus that meets above-mentioned dimensional requirement.Following principle is followed in the setting of this annulus size.When switch is during in big fire position, the pressure in the mixed air cavity 7 of furnace head base is P
1, when switch is during in the fiery position of minimum, the pressure in the mixed air cavity 7 of furnace head base is P
2, due to greatly
Under fire state, the spray volume of gaseous mixture is far more than the spray volume of gaseous mixture under the fiery state of minimum, therefore P
1>P
2.In the time that this gap is in the size range described in the application, P
1>P
0>P
2, wherein said P
0for atmospheric pressure.When switch is during in big fire state, the pressure P>P in the mixed air cavity 7 of furnace head base
0gaseous mixture enters the mixed air cavity 10 of the first fire cover body from the mixed air cavity 7 of furnace head base, then spray from main fiery passage 5, enter the mixed air cavity 11 of the second fire cover body by annulus 14 simultaneously, spray along auxiliary fiery passage 6, now the auxiliary fiery passage 6 at the main fiery passage 5 of interior ring fire upper part of the cover and middle part all has gaseous mixture ejection, all has flame after lighting; When switch is by maximum RPH gradually, the pressure P in the mixed air cavity 7 of furnace head base also reduces gradually, until P < P
0, gaseous mixture cannot enter the mixed air cavity 11 of the second fire cover body by narrow and small annulus 14, and therefore on interior ring fire cover, auxiliary fiery passage 6 flames extinguish gradually, and only main fiery passage 5 has flame.In in above-described embodiment, the external diameter of ring fire cover can be 15-25cm, and annulus One-sided Widths can be 0.1-1.2mm, and optimum is 0.2-0.6mm.Select optimal size herein, interior ring fire cover diameter is 20cm, and annulus One-sided Widths is 0.6mm, and the area of this annulus is 372mm
2.
(b) the 2nd, the periphery wall of boss 1 can be resisted against on the internal perisporium of fire cover body 3 gently, and the thermal coefficient of expansion of following fire cover body 3 material therefors on material is selected is greater than the principle of the thermal coefficient of expansion of furnace head base 1 material therefor.The mixed air cavity 10 of such the first fire cover body and the mixed air cavity 11 of the second fire cover body are disconnected in the time of cold conditions, when in heated condition, fire cover body 3 thermal expansion amounts that directly contact with flame are large, especially in the time of big fire state, fire cover body 3 temperature are higher than furnace head base 1 temperature, because fire cover body 3 thermal coefficient of expansions are large, the thermal expansion amount of fire cover body 3 is greater than the thermal expansion amount of furnace head base 1, can between boss one 8 periphery walls and the internal perisporium of fire cover body 3, produce a narrow and small annulus 14, (be P > P under proper condition for gaseous mixture
0time) enter the mixed air cavity 11 of the second fire cover body along this annulus from the mixed air cavity 10 of the first fire cover body, now main fiery passage 5 and the auxiliary fiery passage 6 of interior ring fire cover all have flame combustion.When switch is during in the fiery state of minimum, interior ring fire cover temperature is lower, and its thermal expansion amount is limited, can not produce above-mentioned annulus, though or produce very narrow and small gap, due in P < P
0situation, gaseous mixture still can enter the mixed air cavity 11 of the second fire cover body, now in auxiliary fiery passage 6 flames of ring fire cover extinguish gradually, only in the main fiery passage 5 of ring fire cover have flame combustion.The size of the above-mentioned annulus 14 that wherein produced can meet the dimensional requirement of aforementioned annulus, can realize by the thermal coefficient of expansion of selecting fire cover body and furnace head base material, this material selection technology is the conventional technological means of those skilled in the art, in the application, repeats no more.
Specific embodiment two:
The external diameter of described boss 1 just matches with the internal diameter of interior ring fire cover 2 tubular structures, showing as boss 1 be able to be placed in the mixed air cavity 4 of fire cover body, and the periphery wall of boss 1 pushes against on the internal perisporium of fire cover body 3, utilize like this boss 1 that mixed fire cover body air cavity 4 is divided into two cavitys, be respectively the mixed air cavity 10 of the first fire cover body and the mixed air cavity 11 of the second fire cover body, gaseous mixture cannot pass through between the two.On the periphery wall of the mixed air cavity 7 of the furnace head base between boss 1 and boss 29, offer the tiny through hole 13 of some rows, one end of this tiny through hole 13 is communicated with the mixed air cavity 7 of furnace head base, and the other end is communicated with the mixed air cavity 11 of the second fire cover body.
Following principle is followed in the setting of this tiny hole size.When switch is during in big fire position, the pressure in the mixed air cavity 7 of furnace head base is P
1, when switch is during in the fiery position of minimum, the pressure in the mixed air cavity 7 of furnace head base is P
2, because the spray volume of gaseous mixture under big fire state is far more than the spray volume of gaseous mixture under the fiery state of minimum, therefore P
1>P
2.When the diameter of described tiny through hole is in the size model described in the application
Enclose when interior P
1>P
0>P
2, wherein said P
0for atmospheric pressure.When switch is during in big fire state, the pressure P>P in the mixed air cavity 7 of furnace head base
0gaseous mixture enters the mixed air cavity 10 of the first fire cover body from the mixed air cavity 7 of furnace head base, then spray from main fiery passage 5, enter the mixed air cavity 11 of the second fire cover body by tiny through hole 13 simultaneously, spray along auxiliary fiery passage 6, now the main fiery passage 5 on interior ring fire cover 2 tops and the auxiliary fiery passage 6 at middle part all have gaseous mixture ejection, all have flame after lighting; When switch is by maximum RPH gradually, the pressure P in the mixed air cavity 7 of furnace head base also reduces gradually, until P < P
0, gaseous mixture cannot enter the mixed air cavity 11 of the second fire cover body by tiny through hole 13, and now interior auxiliary fiery passage 6 flames of ring fire cover extinguish gradually, and only the main fiery passage 5 of interior ring fire cover has flame combustion.In above-described embodiment, tiny through-hole diameter can be 0.1-1.2mm, and optimum is 0.2-0.6mm.Select optimal size herein, through-hole diameter is 0.4mm.
Claims (6)
1. the sectional combustion structure of ring in a burner, comprise that furnace head base (1) and detachable location are arranged at the interior ring fire cover (2) of furnace head base upper end, this interior ring fire cover comprises that one is the fire cover body (3) of tubular structure, top sealing and the bottom opening of described fire cover body, the hollow part of fire cover body forms the mixed air cavity (4) of fire cover body, the top of described fire cover body peripheral side facade is spaced apart to be provided with some rows and to be communicated with the mixed air cavity of fire cover body and extraneous main fiery passage (5), middle part is spaced apart to be provided with some rows and to be communicated with the mixed air cavity of fire cover body and extraneous auxiliary fiery passage (6), described furnace head base comprises the mixed air cavity (7) of furnace head base that two ends are communicated with induction tunnel and the mixed air cavity of fire cover body respectively, it is characterized in that:
The periphery wall that furnace head base mixes air cavity (7) radially extends to form a circle boss one (8) towards one end of the upper end face of fire cover body (2), and this boss one be able to be placed in the mixed air cavity of fire cover body; The periphery wall that furnace head base mixes air cavity (7) radially extends to form a circle boss two (9) towards one end of induction tunnel, this boss two only peaks at the periphery wall lower end of fire cover body, and boss one (8) end face to the distance between boss two (9) end faces is less than the axial length of the mixed air cavity (4) of fire cover body; On the upper side of described boss one, fire cover body, inside top surface face and fire cover body internal perisporium surround the mixed air cavity (10) of the first fire cover body jointly, the mixed air cavity periphery wall of downside, boss two upper sides, fire cover body internal perisporium and furnace head base of described boss one surrounds the mixed air cavity (11) of the second fire cover body jointly, and it is upper that described main fiery passage (5) is opened in the mixed air cavity (10) of the first fire cover body, auxiliary fiery passage (6) is opened on the mixed air cavity of the second fire cover body (11); Being provided with one can supply gaseous mixture enter the narrow and small accessory channel (12) of the mixed air cavity (11) of the second fire cover body from the mixed air cavity (10) of the first fire cover body.
2. the sectional combustion structure of ring in burner according to claim 1, it is characterized in that: the described structure that can enter the narrow and small accessory channel of the mixed air cavity of the second fire cover body from the mixed air cavity of the first fire cover body for gaseous mixture is: the periphery wall of described boss one (8) pushes against in the internal perisporium of fire cover body (3), and offer the tiny through hole of some rows (13) on the periphery wall that is positioned at the mixed air cavity (7) of furnace head base between boss one (8) and boss two (9), the two ends of this tiny through hole are communicated with respectively the mixed air cavity (7) of furnace head base and the mixed air cavity (11) of the second fire cover body.
3. the sectional combustion structure of ring in burner according to claim 2, is characterized in that: the diameter of described tiny through hole is 0.1-1.2mm.
4. the sectional combustion structure of ring in burner according to claim 3, is characterized in that: the diameter of described tiny through hole is 0.2-0.6mm.
5. the sectional combustion structure of ring in burner according to claim 1, it is characterized in that: the described structure that can enter the narrow and small accessory channel of the mixed air cavity of the second fire cover body from the mixed air cavity of the first fire cover body for gaseous mixture is: between the periphery wall of described boss one (8) and the internal perisporium of fire cover body (3), be formed with the narrow and small annulus of a circle (14), the One-sided Widths of described annulus is 0.1-1.2mm.
6. the sectional combustion structure of ring in burner according to claim 5, is characterized in that: the One-sided Widths of described annulus is 0.2-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231237.6U CN203810414U (en) | 2014-05-07 | 2014-05-07 | Segmented combustion structure of inner ring of combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231237.6U CN203810414U (en) | 2014-05-07 | 2014-05-07 | Segmented combustion structure of inner ring of combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203810414U true CN203810414U (en) | 2014-09-03 |
Family
ID=51449158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231237.6U Withdrawn - After Issue CN203810414U (en) | 2014-05-07 | 2014-05-07 | Segmented combustion structure of inner ring of combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203810414U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930516A (en) * | 2015-06-24 | 2015-09-23 | 宁波方太厨具有限公司 | Combustor fire cover |
| CN105090961A (en) * | 2014-05-07 | 2015-11-25 | 樱花卫厨（中国）股份有限公司 | Sectionalized combustion structure of inner ring of combustor |
| CN109458637A (en) * | 2018-11-21 | 2019-03-12 | 华帝股份有限公司 | Combustor and gas stove with same |
| CN109539325A (en) * | 2018-12-11 | 2019-03-29 | 华帝股份有限公司 | Combustor and gas stove with same |
-
2014
- 2014-05-07 CN CN201420231237.6U patent/CN203810414U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090961A (en) * | 2014-05-07 | 2015-11-25 | 樱花卫厨（中国）股份有限公司 | Sectionalized combustion structure of inner ring of combustor |
| CN105090961B (en) * | 2014-05-07 | 2017-09-19 | 樱花卫厨（中国）股份有限公司 | The sectional combustion structure of burner inner ring |
| CN104930516A (en) * | 2015-06-24 | 2015-09-23 | 宁波方太厨具有限公司 | Combustor fire cover |
| CN109458637A (en) * | 2018-11-21 | 2019-03-12 | 华帝股份有限公司 | Combustor and gas stove with same |
| CN109458637B (en) * | 2018-11-21 | 2024-08-13 | 华帝股份有限公司 | Combustor and gas cooker with same |
| CN109539325A (en) * | 2018-12-11 | 2019-03-29 | 华帝股份有限公司 | Combustor and gas stove with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20170919 |
|
| AV01 | Patent right actively abandoned |