CN107339697A - A kind of nozzle of gas-cooker - Google Patents
A kind of nozzle of gas-cooker Download PDFInfo
- Publication number
- CN107339697A CN107339697A CN201710265687.5A CN201710265687A CN107339697A CN 107339697 A CN107339697 A CN 107339697A CN 201710265687 A CN201710265687 A CN 201710265687A CN 107339697 A CN107339697 A CN 107339697A
- Authority
- CN
- China
- Prior art keywords
- flow control
- gas
- nozzle
- control hole
- convex tendon
- 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.)
- Granted
Links
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
- F23D14/48—Nozzles
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- 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
- F23D14/70—Baffles or like flow-disturbing devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of nozzle of gas-cooker, flow control hole (12) including body (1) and in body (1), the body (1) has in the gas outlet that radial dimension gradually increases along outgassing direction in the outlet side of flow control hole (12), it is characterised in that：Described gas outlet has at least three spiral grooves (14) or convex tendon (15) radially arranged centered on flow control hole (12) on perisporium (13).Compared with prior art, the advantage of the invention is that：By setting expanding channel in nozzle and setting the structure of spiral groove or convex tendon, air-flow is set to be forced to produce rotation by the limitation of wall, the contact surface of combustion gas and air is set to become big, the fuel gas flow of rotation can more roll up suck and mixed, the thermal efficiency of combustion gas is improved, reduces fume emission.
Description
Technical field
The present invention relates to gas-cooker field, particularly a kind of nozzle of gas-cooker.
Background technology
The nozzle arrangements of existing gas-cooker are all relatively simple, are essentially all to be designed using the circular hole of drilling form, such as Shen
Please number a kind of gas kitchen ranges air door manual regulating device, including nozzle, end be disclosed for 201120430540.5 Chinese invention
Venturi induction tunnel with air door hole and the air flap for blocking air door hole, the venturi induction tunnel have air door hole
End face is provided with intermediate rail, the nozzle in a tubular form, nozzle rear end with intermediate rail is removable is fixedly connected, spray nozzle front end has
Limited step, the air flap thread set is on nozzle, and nozzle is between venturi injection end surfaces and nozzle limited step
Outer surface be provided with external screw thread.The borehole structure of the nozzle limits the ability of setting of drawing of primary air, and air and combustion gas mixing are not
Enough uniform, the thermal efficiency of burner is low.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reinforcement combustion gas and air for the above-mentioned state of the art
Mixing, the nozzle for improving efficiency of combustion.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of nozzle of gas-cooker, including body and
Located at intrinsic flow control hole, the body has in the radial dimension along outgassing direction in the outlet side of flow control hole
The gas outlet gradually increased, it is characterised in that：Described gas outlet on perisporium have at least three using flow control hole in
The spiral groove or convex tendon that the heart is radially arranged.
Further, the longitudinal size of the groove or convex tendon and lateral dimension can by the initiating terminal of groove or convex tendon to end
Gradually increase either be gradually reduced or uniformly it is equal.
In order to reduce wall surface resistance, the shape of cross section of the groove or convex tendon is semicircle, the groove or convex tendon
Longitudinal size and lateral dimension are gradually increased by initiating terminal to end.
In order that the gas of injection produces optimal rotates effe, the center of the flow control hole respectively with groove or convex
Line between the initiating terminal center of circle and the end center of circle of muscle is being formed where the ora terminalis of the body gas outlet in the orthographic projection of plane
First angle, first angle are 15 °~23 °.
In order to reduce contact area as far as possible, energy loss is reduced, while and can ensures the enough Rotational diffusions of air-flow, it is described
The depth of notch end can be 0.6~1 times of the flow control hole diameter, and the width of notch end can be that the flow controls
1~1.4 times of bore dia.
In order to reduce contact area as far as possible, energy loss is reduced, while and can ensures the enough Rotational diffusions of air-flow, institute
The height for stating convex tendon end can be 1~1.3 times of the flow control hole diameter, and the width of convex tendon end can be the flow control
0.7~1.1 times of drilling diameter.
In order to increase the contact area of combustion gas and air, the perisporium of the gas outlet is in the section along flow control hole axial direction
It is upper formation the second angle, second corner dimension for the angle of flare size of the nozzle institute gas injection of the gas-cooker 3~
3.5 again.
Preferably, be the rotation that ensures fluid, while reduce surface area, so as to reduce dynamic loss of energy, the groove or
Convex tendon can be 3~8.
In order to increase the kinetic energy of combustion gas so that fluid has enough guiding distances, effectively rotated so as to fluid and
Spread out, the air line distance of the flow control hole to the notch end can be 5~7 times of flow control hole diameter.
In order to increase the kinetic energy of combustion gas so that fluid has enough guiding distances, effectively rotated so as to fluid and
Spread out, the air line distance of the flow control hole to the convex tendon end is 7~9 times of flow control hole diameter.
Compared with prior art, the advantage of the invention is that：By setting expanding channel in nozzle and setting spiral
The structure of connected in star or convex tendon, make air-flow be forced to produce rotation by the limitation of wall, the contact surface of combustion gas and air is become big,
The fuel gas flow of rotation can more roll up suck and mixed, improve the thermal efficiency of combustion gas, reduce fume emission.
Brief description of the drawings
Fig. 1 is the overall schematic of the nozzle embodiments one of the gas-cooker of the present invention；
Fig. 2 is the top view of the nozzle embodiments one of the gas-cooker of the present invention；
Fig. 3 is the sectional view of the nozzle embodiments one of the gas-cooker of the present invention；
Fig. 4 is the overall schematic of the nozzle embodiments two of the gas-cooker of the present invention；
Fig. 5 is the top view of the nozzle embodiments two of the gas-cooker of the present invention；
Fig. 6 is the sectional view of the nozzle embodiments two of the gas-cooker of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the nozzle of a kind of gas-cooker in the present embodiment, including body 1 and in body 1
Flow control hole 12.
Body 1 has in the outlet that radial dimension gradually increases along outgassing direction in the outlet side of flow control control 12
Mouthful, form an expanding channel.Gas outlet on perisporium 13 have at least three centered on flow control hole 12 in radiation
The spiral groove 14 of shape arrangement, in order that the rotates effe for touching the fuel gas flow injection of mouth injection reaches optimal, groove 14
Quantity is 3~8, and the number of recesses in the present embodiment is 8.
The uninterrupted of combustion gas is directly related with combustion gas kinetic energy size, so there is different gas outlets according to uninterrupted
Highly, the design of angle and groove 14 or projection 15.The shape of cross section of groove 14 is semicircle, the width and depth of groove 14
Gradually increased by initiating terminal to end, the perisporium 13 of gas outlet forms the second angle on the section along the axial direction of flow control hole 12
α (i.e. the taper of gas outlet), the size of the second angle α are set according to gas diffusion angle (being determined by the diffusion model of specific gas)
Put, for 3~3.5 times of the angle of flare size of the nozzle institute gas injection of gas-cooker.If the second angle α is too big, gas from
The ratio of the final outlet of nozzle and the diameter of phi of flow control hole 12, which crosses conference and causes fluid velocity drastically to decline, too fast such as to be lost
Excessively along the kinetic energy of nozzle-axis；If the second angle α is too small, it can not reach in structure and not reach required effect
Fruit.To cause fluid that there is enough guiding distances so that fluid is effectively rotated and spread out, flow control hole 12 to
The air line distance a of the end of groove 14 is 5~7 times of the diameter of phi of flow control hole 12.The center of flow control hole 12 respectively with it is recessed
Line between the initiating terminal center of circle and the end center of circle of groove 14 is forming in the orthographic projection of plane where the gas outlet ora terminalis of body 1
One angle β, the first angle β is 15 °~23 °, air-flow can be oriented to and be spread so that air flow stream surface area increases and kept
The rotation of certain low-angle.Depth, the quantity of groove 14 of groove 14 influence the contact surface area of fluid and nozzle, and surface area is got over
Big frictional resistance is bigger, and its energy loss is bigger.In order to reduce contact area as far as possible, energy loss is reduced, while and can ensures
The enough Rotational diffusions of air-flow, the depth c of the end of groove 14 are 0.6~1 times of the diameter of phi of flow control hole 12, the end of groove 14
Width d be 1~1.4 times of the diameter of phi of flow control hole 12.
Embodiment two
As shown in Fig. 4, Fig. 5, Fig. 6, the present embodiment is with the difference of above-described embodiment one：Have on perisporium 13 a plurality of
The spirality convex rib 15 radially arranged centered on flow control hole 12, the convex tendon 15 in ability embodiment are 8.Flow
The center of control hole 12 respectively the line between the initiating terminal center of circle and the end center of circle of convex tendon 15 in the gas outlet ora terminalis institute of body 1
It is 15 °~23 ° that the first angle γ, the first angle γ is formed in the orthographic projection of plane.Height, the quantity of convex tendon 15 of convex tendon 15
The contact surface area of fluid and nozzle is influenceed, surface area is bigger, and frictional resistance is bigger, and its energy loss is bigger.In order to reduce as far as possible
Contact area, energy loss is reduced, while and can ensures the enough Rotational diffusions of air-flow, the fin height e of the end of convex tendon 15 is
1~1.3 times of the diameter of phi of flow control hole 12, the width f of the end of convex tendon 15 are the 0.7~1.1 of the diameter of phi of flow control hole 12
Times.To cause fluid that there is enough guiding distances so that fluid is effectively rotated and spread out, flow control hole 12 to
The air line distance b of the end of convex tendon 15 is 7~9 times of flow control hole diameter of phi.
The structure of groove 14 or convex tendon 15 in the present invention uses circular configuration or side to reduce wall surface resistance
The other structures such as shape, the longitudinal size and lateral dimension of groove 14 or convex tendon 15 can gradually be increased by its initiating terminal to end or
It is gradually reduced or uniformly equal.
Claims (10)
1. a kind of nozzle of gas-cooker, including body (1) and the flow control hole (12) in body (1), the body (1)
Have in the outlet side of flow control hole (12) and exist in the gas outlet that radial dimension gradually increases along outgassing direction, its feature
In：Described gas outlet has at least three spiral shells radially arranged centered on flow control hole (12) on perisporium (13)
Revolve connected in star (14) or convex tendon (15).
2. the nozzle of gas-cooker according to claim 1, it is characterised in that：The groove (14) or the longitudinal direction of convex tendon (15)
Size and lateral dimension are gradually increased by the initiating terminal of groove (14) or convex tendon (15) to end to be either gradually reduced or uniformly
It is equal.
3. the nozzle of gas-cooker according to claim 2, it is characterised in that：The groove (14) or convex tendon (15) it is transversal
Face is shaped as semicircle, and the longitudinal size and lateral dimension of the groove (14) or convex tendon (15) are gradually increased by initiating terminal to end
Greatly.
4. the nozzle of gas-cooker according to claim 3, it is characterised in that：The center difference of the flow control hole (12)
Line between groove (14) or the initiating terminal center of circle and the end center of circle of convex tendon (15) is in the body (1) gas outlet ora terminalis institute
The first angle (β is formed in the orthographic projection of plane；γ), the first angle (β；γ) it is 15 °~23 °.
5. the nozzle of gas-cooker according to claim 3, it is characterised in that：The depth (c) of groove (14) end is
0.6~1 times of flow control hole (12) diameter (Φ), the width (d) of groove (14) end is the flow control hole
(12) 1~1.4 times of diameter (Φ).
6. the nozzle of gas-cooker according to claim 3, it is characterised in that：The height (e) of convex tendon (15) end is
1~1.3 times of flow control hole (12) diameter (Φ), the width (f) of convex tendon (15) end is the flow control hole
(12) 0.7~1.1 times of diameter (Φ).
7. according to the nozzle of any described gas-cooker of claim 1~6, it is characterised in that：The perisporium (13) of the gas outlet
The second angle (α) is formed on the section along flow control hole (12) axial direction, the second angle (α) size is the gas-cooker
3~3.5 times of angle of flare size of nozzle institute gas injection.
8. according to the nozzle of any described gas-cooker of claim 1~6, it is characterised in that：The groove (14) or convex tendon
(15) it is 3~8.
9. according to the nozzle of any described gas-cooker of claim 1~6, it is characterised in that：The flow control hole (12) is extremely
The air line distance (a) of groove (14) end is 5~7 times of flow control hole (12) diameter (Φ).
10. according to the nozzle of any described gas-cooker of claim 1~6, it is characterised in that：The flow control hole (12) is extremely
The air line distance (b) of convex tendon (15) end is 7~9 times of flow control hole (12) diameter (Φ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265687.5A CN107339697B (en) | 2017-04-21 | 2017-04-21 | Nozzle of gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265687.5A CN107339697B (en) | 2017-04-21 | 2017-04-21 | Nozzle of gas stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107339697A true CN107339697A (en) | 2017-11-10 |
| CN107339697B CN107339697B (en) | 2022-10-21 |
Family
ID=60222861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710265687.5A Active CN107339697B (en) | 2017-04-21 | 2017-04-21 | Nozzle of gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339697B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649245A (en) * | 2018-04-28 | 2018-10-12 | 武汉华科福赛新能源有限责任公司 | A kind of combustion chamber of solid oxide fuel cell and its temperature automatically controlled method |
| CN111492179A (en) * | 2017-12-21 | 2020-08-04 | Bsh家用电器有限公司 | Injector device for a gas burner of a household appliance, gas burner and household appliance |
| CN113231216A (en) * | 2021-06-06 | 2021-08-10 | 际华三五一四制革制鞋有限公司 | Multi-component polymer mixing spiral jet device |
-
2017
- 2017-04-21 CN CN201710265687.5A patent/CN107339697B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111492179A (en) * | 2017-12-21 | 2020-08-04 | Bsh家用电器有限公司 | Injector device for a gas burner of a household appliance, gas burner and household appliance |
| CN111492179B (en) * | 2017-12-21 | 2023-08-29 | Bsh家用电器有限公司 | Injector device for a gas burner of a household appliance, gas burner and household appliance |
| CN108649245A (en) * | 2018-04-28 | 2018-10-12 | 武汉华科福赛新能源有限责任公司 | A kind of combustion chamber of solid oxide fuel cell and its temperature automatically controlled method |
| CN113231216A (en) * | 2021-06-06 | 2021-08-10 | 际华三五一四制革制鞋有限公司 | Multi-component polymer mixing spiral jet device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107339697B (en) | 2022-10-21 |
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