CN115164193A - Novel hyperbolic nozzle - Google Patents
Novel hyperbolic nozzle Download PDFInfo
- Publication number
- CN115164193A CN115164193A CN202210684928.0A CN202210684928A CN115164193A CN 115164193 A CN115164193 A CN 115164193A CN 202210684928 A CN202210684928 A CN 202210684928A CN 115164193 A CN115164193 A CN 115164193A
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- Prior art keywords
- fuel
- hyperbolic
- nozzle
- air
- hole
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- 239000000446 fuel Substances 0.000 claims abstract description 77
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 238000009792 diffusion process Methods 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/38—Nozzles; Cleaning devices therefor
- F23D11/383—Nozzles; Cleaning devices therefor with swirl means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spray-Type Burners (AREA)
Abstract
The invention belongs to the field of combustion equipment, relates to a novel hyperbolic nozzle, and aims to solve the problems that the internal utilization rate of the nozzle is low, an inclined fuel nozzle obstructs air flow, the mixing effect is poor, and combustion is unstable in the prior art. The invention comprises a nozzle air channel outer wall, a fuel inlet channel, a fuel nozzle with hyperbolic spray holes, and a flame stabilizing plate with an inclination angle, wherein the flame stabilizing plate is connected to the air outer wall; the fuel inlet and the air inlet are coaxially arranged, the fuel is ejected through the hyperbolic nozzle, and turbulent flow is generated between the fuel and air ejected through the flame stabilizing plate and having a certain angle, so that uniform air mixing is ensured, the combustion is more sufficient, and the characteristics of energy conservation and environmental protection are achieved.
Description
Technical Field
The invention belongs to the field of combustion equipment, and particularly relates to a novel hyperbolic nozzle.
Background
With the rapid increase of economy, people depend on energy more and more, but the reserves of fossil energy are less and less, and the conventional fossil fuel combustion also generates pollution. The enhancement and promotion of the utilization of novel energy are imminent.
In the process of liquid fuel combustion, the combustion nozzle plays an important role in whether the fuel is completely combusted, and is also the focus of research of experts at present. In traditional nozzle, general fuel outlet structure is comparatively complicated, burn for better and air mixture, the fuel spout uses diffusion spun mode, in order to reach the purpose, traditional fuel spout can incline certain angle often, this causes the space utilization in the nozzle low-usage, increase the spout volume, open nozzle can hinder the flow that hinders the air simultaneously, make the air lose partly kinetic energy, reduced the air velocity, it is inhomogeneous to cause fuel-air mixture, combustion stability is relatively poor.
Disclosure of Invention
In order to solve the problems that the internal utilization rate of the nozzle is low, the inclined fuel nozzle obstructs air flow, the mixing effect is poor and the combustion is unstable in the prior art, the novel hyperbolic nozzle is provided.
The invention adopts the specific scheme that: the utility model provides a hyperbola formula combustion nozzle, its characterized in that, combustion nozzle's axis position sets up fuel inlet channel, be provided with the fuel spout that has hyperbola type orifice before the inlet channel, fuel spout and inlet channel sleeve zonulae occludens, be provided with the nozzle export on the nozzle, the fuel spout outside is provided with air inlet channel, air inlet channel's front end is provided with the flame stabilizing plate, be provided with array type through-hole on the flame stabilizing plate.
The fuel inlet and the air inlet channel are coaxially arranged, and the air inlet channel is arranged to be of an expansion type.
The fuel inlet, the fuel passing inlet channel and the fuel nozzle are integrally formed.
The fuel nozzle is provided with a hyperbolic nozzle and a vertical through hole.
The hyperbolic spout is in hyperbolic shape, and the center of the hyperbolic is located at the center of the spout.
The fuel gas sprayed by the hyperbolic nozzle is sprayed in a hyperbolic trend in a diffusion mode.
The vertical through hole is arranged at the center of the fuel nozzle, and the spraying direction of the vertical through hole is vertical to the end surface of the fuel nozzle.
An air channel is arranged outside the fuel nozzle.
The air channel is set to be of a step type, and air is sprayed out after being diffused.
And a flame stabilizing plate is arranged at the front part of the air channel.
The air flame stabilizing plate is provided with inclined through holes arranged in an array manner, the inclination angles of the through holes are 15 degrees, the through holes are arranged in a rotating angle mode, and air can be sprayed out at a certain angle when passing through the through holes.
Compared with the prior art, the invention has the following beneficial effects:
1. the fuel is sprayed out in a spreading shape under the condition of the smallest volume as possible by the hyperbolic nozzle, and the fuel is sprayed out along the hyperbolic extending line by the hyperbolic nozzle, so that the effect of spreading and spraying is achieved. Meanwhile, the fuel channel and the fuel nozzle are integrally formed and are cylindrical, so that the flow of air is not obstructed.
2. The air in the invention flows through the air channel, the smooth air channel can not block the flow of the air, and the air can smoothly flow to the flame stabilizing plate. After passing through the array through holes arranged at the flame stabilizing plate in an inclined angle, the flame is sprayed out at a certain angle.
3. The fuel is sprayed out in a diffusion mode after passing through the hyperbolic nozzle, the diffusion effect is achieved under the condition that the volume is kept unchanged, the fuel sprayed out through the hyperbolic nozzle and the air sprayed out in an inclined angle are disturbed mutually, the mixing effect is enhanced, the fuel sprayed out through the vertical through hole is beneficial to spraying the mixed fuel for a longer distance, and the full combustion of the fuel is guaranteed.
Drawings
FIG. 1 is a schematic view of a hyperbolic nozzle in accordance with the present invention;
FIG. 2 is a schematic view of a flame stabilizing plate according to the present invention;
FIG. 3 is a schematic view of a fuel nozzle according to the present invention;
FIG. 4 is a cross-sectional view of a hyperbolic nozzle in accordance with the present invention;
FIG. 5 is a cross-sectional view of a fuel nozzle according to the present invention;
wherein the reference numerals are respectively:
1. an air channel outer wall; 2. a flame stabilizing plate; 3. a fuel nozzle; 4. a through hole; 5. a flame stabilizing plate fuel channel; 6. a hyperbolic spout; 7. a vertical through hole; 8. an air inlet passage; 9. a fuel inlet; 10. a mixed fuel outlet; 11. the fuel inlet wall.
Detailed Description
The present invention will be described in further detail below with reference to the attached drawings, and it should be clearly understood herein that the described embodiments are not all embodiments, and are provided only for the purpose of illustrating the present invention, and not for the purpose of limiting the same.
With reference to fig. 1 and 4, the invention provides a hyperbolic combustion nozzle, which comprises an outer wall of an air passage of the nozzle, a fuel inlet passage (9) arranged at the central axis of the nozzle, a fuel nozzle (3) with hyperbolic nozzle holes arranged in front of the fuel inlet passage, wherein the fuel nozzle (3) is tightly connected with an inlet passage sleeve (11). Be provided with hyperbola spout (6) and perpendicular through-hole (7) on nozzle (3), fuel spout (3) outside is provided with air inlet passageway (8), air inlet passageway's front end is provided with flame stabilizing plate (2), is provided with array type through-hole (4) on the flame stabilizing plate. In this example fuel inlet (9) and air inlet passageway (8) coaxial arrangement, and air inlet passageway (8) set up to the expanding type, fuel inlet (9), cross fuel inlet passageway (11), fuel nozzle (3) integrated into one piece, the casting is the cylindric of outward appearance smoothness, and the air flows in through air passageway, because the cylinder type setting makes the air flow resistance reduce, flows into the extension section under the condition that consumes less kinetic energy, can keep the speed of air, be provided with hyperbolic nozzle (6) and perpendicular through-hole (7) on fuel nozzle (3), fuel gets into through fuel inlet, spouts with perpendicular through-hole department at hyperbolic nozzle department, and the nozzle structure sets up to hyperbolic and through-hole convolution, and fuel is behind the hyperbolic nozzle, and most is spread the blowout along the extension line of hyperbolic, and the perpendicular through-hole of less part is followed and is spouted perpendicularly.
According to the hyperbolic nozzle, the air channel (8) is coaxially arranged outside the fuel inlet (9), and air and fuel are respectively sprayed out from the two channels and then are mixed and combusted.
The operation principle of the present embodiment can be explained by referring to fig. 2 and fig. 3. The flame stabilizing plate is provided with inclined through holes (4) which are arranged in an array manner, the inclination angles of the through holes (4) are 15 degrees, the through holes are arranged in a rotating angle manner as a whole, and air can be sprayed out at a certain angle when passing through the through holes. The fuel passes through the fuel nozzle (6) and is sprayed out in the extending direction of the hyperbola under the action of the hyperbola nozzle, and a rotational flow is formed at the outlet to play a role in guiding the gas flow. The fuel and air flow is disturbed after passing through the flame stabilizing plate and is sprayed out from the mixed fuel outlet, so that the fuel and air are uniformly mixed, and the through hole 7 is vertically arranged at the end surface of the fuel outlet, so that the spraying distance of the fuel is increased, and the combustion efficiency is increased.
The drawings and the explanation are only for one embodiment of the present invention, but the specific protection scope of the present invention is not limited to the above explanation, and any simple replacement or change within the technical idea of the present invention and the technical solution according to the present invention should be within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hyperbola formula combustion nozzle, its characterized in that, combustion nozzle's axis position sets up fuel inlet channel (9), be provided with fuel spout (3) that have hyperbola type orifice before the inlet channel, fuel spout (3) and inlet channel sleeve (11) zonulae occludens, be provided with hyperbola spout (6) and perpendicular through-hole (7) on nozzle (3), fuel spout (3) outside is provided with air inlet channel (8), air inlet channel's front end is provided with flame stabilizing plate (2), be provided with array type through-hole (4) on flame stabilizing plate (2).
2. A hyperbolic combustion nozzle as claimed in claim 1, characterized in that the fuel inlet (9) is arranged coaxially with the air inlet channel (8) and the air inlet channel (8) is arranged as expanding, said hyperbolic combustion nozzle is characterized in that the fuel inlet (9), the overfuel inlet channel (11), the fuel nozzle (3) are formed in one piece, presenting a smooth cylindrical appearance, said hyperbolic combustion nozzle is characterized in that the fuel nozzle (3) is provided with hyperbolic nozzle (6) and vertical through hole (7).
3. A hyperbolic combustion nozzle as claimed in claim 2, characterized in that the hyperbolic jet (6) is arranged as a hyperbolic jet with its hyperbolic center at the center of the jet (3), the hyperbolic combustion nozzle characterized in that the vertical through hole (7) is located at the center of the jet (3) and is arranged perpendicular to the nozzle end face.
4. A hyperbolic combustion nozzle as claimed in claim 3, characterized in that the fuel gas ejected from the hyperbolic jet orifice (6) is spread out in a hyperbolic trend, and the hyperbolic combustion nozzle is characterized in that an air passage (8) is provided outside the fuel jet orifice (3).
5. The hyperbolic combustion nozzle of claim 4, characterized in that air inlet passageway (8) sets up to the notch cuttype, and the air is spout after the diffusion, hyperbolic combustion nozzle, its characterized in that air inlet passageway (8) front portion is provided with flame stabilizing plate (2), hyperbolic combustion nozzle, its characterized in that the slope through-hole (4) that the array was arranged are arranged on flame stabilizing plate (2), through-hole (4) self inclination is 15, and the through-hole is the rotation angle range in general, and the air can be spouted with certain angle when the through-hole.
6. A hyperbolic combustion nozzle as claimed in claim 5, characterized in that the fuel at the fuel inlet (9) passes through the fuel nozzle (6) and is ejected in the extending direction of a hyperbola under the action of the hyperbolic nozzle to form a swirl at the outlet, the hyperbolic combustion nozzle is characterized in that an air channel (8) is coaxially arranged outside the fuel inlet (9), and after passing through the air channel (8), the air passes through the diffuser section, passes through the flame stabilizing plate (2), and is ejected at a certain angle from the inclined through hole (4) to be fully mixed with the fuel ejected from the fuel nozzle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684928.0A CN115164193A (en) | 2022-06-14 | 2022-06-14 | Novel hyperbolic nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684928.0A CN115164193A (en) | 2022-06-14 | 2022-06-14 | Novel hyperbolic nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115164193A true CN115164193A (en) | 2022-10-11 |
Family
ID=83484545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210684928.0A Pending CN115164193A (en) | 2022-06-14 | 2022-06-14 | Novel hyperbolic nozzle |
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| Country | Link |
|---|---|
| CN (1) | CN115164193A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501306A (en) * | 1975-07-05 | 1978-02-15 | Ludwig Ofag Indugas Gmbh | Burners |
| CN101725979A (en) * | 2008-10-20 | 2010-06-09 | 中国科学院工程热物理研究所 | Gas starting device for low-concentration methanol counter-flow thermal oxidation device |
| CN203215671U (en) * | 2013-01-22 | 2013-09-25 | 温岭市华瑞热能设备制造有限公司 | Gas combustor |
| RU2012147398A (en) * | 2012-11-07 | 2014-05-20 | Открытое акционерное общество "Научно-исследовательский институт металлургической теплотехники" (ОАО "ВНИИМТ") | METHOD FOR GAS BURNING IN BURNERS OF IGNERATION MACHINE IGNITION HORNS AND DEVICE FOR ITS IMPLEMENTATION |
| CN104136851A (en) * | 2012-02-21 | 2014-11-05 | 通用电气公司 | A combustor nozzle and method of supplying fuel to a combustor |
| CN214745718U (en) * | 2021-05-18 | 2021-11-16 | 王春龙 | Flame stabilizing disc of combustor |
-
2022
- 2022-06-14 CN CN202210684928.0A patent/CN115164193A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501306A (en) * | 1975-07-05 | 1978-02-15 | Ludwig Ofag Indugas Gmbh | Burners |
| CN101725979A (en) * | 2008-10-20 | 2010-06-09 | 中国科学院工程热物理研究所 | Gas starting device for low-concentration methanol counter-flow thermal oxidation device |
| CN104136851A (en) * | 2012-02-21 | 2014-11-05 | 通用电气公司 | A combustor nozzle and method of supplying fuel to a combustor |
| RU2012147398A (en) * | 2012-11-07 | 2014-05-20 | Открытое акционерное общество "Научно-исследовательский институт металлургической теплотехники" (ОАО "ВНИИМТ") | METHOD FOR GAS BURNING IN BURNERS OF IGNERATION MACHINE IGNITION HORNS AND DEVICE FOR ITS IMPLEMENTATION |
| CN203215671U (en) * | 2013-01-22 | 2013-09-25 | 温岭市华瑞热能设备制造有限公司 | Gas combustor |
| CN214745718U (en) * | 2021-05-18 | 2021-11-16 | 王春龙 | Flame stabilizing disc of combustor |
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