CN106881214B - One kind being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle - Google Patents
One kind being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle Download PDFInfo
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- CN106881214B CN106881214B CN201710230186.3A CN201710230186A CN106881214B CN 106881214 B CN106881214 B CN 106881214B CN 201710230186 A CN201710230186 A CN 201710230186A CN 106881214 B CN106881214 B CN 106881214B
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- chamber
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- spiral
- jet device
- flow type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber
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Abstract
The invention discloses one kind to be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, including feed space, spin chamber and spray head；The feed space is made of coaxial double-layered cylinder, inner cylindrical at chamber be gas passage, outer cylindrical at chamber be fluid passage；Feed space is connected with spin chamber by flange body, the spin chamber is made of vortex chamber and four baffles, spin chamber is connect with spray head, it is divided into contraction section, venturi and expansion segment inside spray head, contraction section is connected to vortex chamber, annular groove on the tapered hole exits face spray head contraction section inner wall of taper air-jet device, can be improved atomizing effect；The middle part of contraction section is equipped with vibration spring plate；Venturi both ends are smoothly connected with contraction section, expansion segment respectively.The present invention, which inserts the liquid into spin chamber, to be accelerated, then the gas accelerated with taper air-jet device carries out mixed aerosol, and the droplet particles of atomization are then carried out cutting by vibration spring plate and are broken up, and aggravation atomization sprays from nozzle divergence section, increases contact area.
Description
Technical field
The present invention relates to one kind to be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, is suitable for gas and two kinds of liquid
The atomization of medium.Belong to gas-liquid mass transfer technical field.
Background technique
Atomizer is that liquid is broken up to a kind of device to nebulize, and the nozzle of China's manufacture at present is many kinds of, but big
Part is all in the presence of structure is complicated, stability is bad, nozzle is easy blocking, gas and liquid undercompounding and can not make to be atomized
The problems such as particle is more made fine, this not only affects the quality of equipment but also greatly reduces working efficiency.
Atomizer is widely used in fields such as depositing dust, workshop humidification, spraying, domestics, is commonly used at present
It being settled in dust, in order to improve the efficiency of sedimentation, it is necessary to atomizing particle can sufficiently be combined with dust particles, thus
Achieve the purpose that depositing dust.
Summary of the invention
The present invention is intended to provide one kind is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, first by vortex chamber
Portion carry out eddy flow acceleration, so that gas-liquid is sufficiently mixed generation atomizing effect, then by vibration spring plate to the atomizing particle flowed through into
Row cutting is broken up, and aggravates to be atomized with this.
One kind provided by the invention is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, including feed space, spin chamber
And spray head；The feed space is made of coaxial double-layered cylinder, inner cylindrical at chamber be gas passage, outer cylindrical at
Chamber is fluid passage；Feed space is connected with spin chamber by flange body, and flange body is disc structure, equal radial direction on flange body
Eight oblique through holes are uniformly distributed at spacing；
The spin chamber is made of vortex chamber and four baffles, and wherein baffle is the reaping hook shape for being 1mm by height
Structure constitute, the radially even distribution of baffle, vortex chamber is the cavity surrounded by four baffles；
The center of flange body is equipped with threaded hole, and the inner cylinder of feed space sequentially passes through the centre bore of flange body, spin chamber
Vortex chamber, the other end connect taper air-jet device, and the left end of taper air-jet device is cylinder linkage section, inside cylinder linkage section
Hole and the inner cavity of taper air-jet device are smoothly connected, and are distributed uniformly and circumferentially at the center of the taper air-jet device conical surface tapered
Hole；
Spin chamber is connect with spray head, is truncated cone-shaped outside spray head, inside is divided into contraction section, venturi and expansion segment, contraction section
It is connected to vortex chamber, contraction section is equipped with annular groove, the tapered hole exits of taper air-jet device at distance starting 1 ~ 1.5mm of position
Annular groove on face spray head inner wall improves atomizing effect；The middle part of contraction section is equipped with vibration spring plate；Venturi both ends respectively and receive
Contracting section, expansion segment are smoothly connected.
In above-mentioned apparatus, feed space and flange body junction are forge piece of step type structure, and stepped groove inner wall is equipped with screw thread, with flange
Body is connected with the external screw thread of spin chamber；It is equipped with internal screw thread in the centre bore of the flange body, is correspondingly provided on the outside of inner cylinder outer
Screw thread, the externally threaded length are 3 ~ 5mm, and the two is connected through a screw thread.
In above-mentioned apparatus, the taper air-jet device is pyramidal structure, and cone angle part is equipped with external screw thread, the gas with inner cylinder
The internal screw thread in body channel connects, and internal screw thread length is 0.6 ~ 0.8mm；The expansion segment male cone (strobilus masculinus) wall thickness 0.6mm of taper air-jet device,
Bottom surface wall thickness 0.4mm, inner hollow, and male cone (strobilus masculinus) middle are uniformly distributed eight identical tapered holes.
In above-mentioned apparatus, the inner cylinder of feed space stretches out 3 ~ 5mm outside flange body, inner cylinder end and taper air-jet device
Cylinder linkage section external screw thread connection, the external thread length of cylinder linkage section is 0.6 ~ 0.8mm.
In above-mentioned apparatus, on the flange body radial spacing be uniformly distributed at 6.5mm the center lines of eight oblique through holes with
The angle of flange body axis is 20 ~ 50 °.
In above-mentioned apparatus, is set in the spin chamber there are four the baffle that height is constituted as the sickle-shaped structure of 1mm, led
The middle part of fluid forms vortex chamber, forms a circle sink between baffle and eddy flow chamber interior walls, makes fluid recycle stream in the sink
Dynamic, baffle constitutes drainage channel between any two, and the fluid in sink can be introduced into vortex chamber and carry out acceleration eddy flow.
In above-mentioned apparatus, the vibration spring plate of the spray head contraction section is the trapezoidal thin slice of stainless steel, with a thickness of 0.1mm,
Four are evenly arranged along same circumferencial direction on the inner wall of contraction section, nozzle contraction section inner wall is connected in by welding manner
On, effect is to carry out cutting to the fluid of process to break up, and reduces atomizing particle, carries out secondary-atomizing, improves atomizing effect.
In above-mentioned apparatus, the tapered hole of the taper air-jet device is uniformly provided with eight along tapered surface, accelerates gas and sprays；
The tapered centerline hole of taper air-jet device and the angle of flange body axis are 65 ~ 80 °.
In above-mentioned apparatus, the expansion segment angle of the spray head is maintained at 60 ~ 120 °, can effectively expand atomisation area, mention
High atomizing efficiency.
Gas entrance passage in the present invention is gap-matched with flange body, adjustable gas passage and flange body
Relative position is sufficiently mixed liquid with gas, with taper air-jet device using being interference fitted, prevents gas from leaking.
Spin chamber in the present invention is attached by the way of welding with spray head, leakproofness can be improved, so as to gas-liquid
It can be well into spray head after mixing.
Beneficial effects of the present invention:
It is introduced tangentially into vortex type high-efficient atomizer provided by through the invention, can be inserted the liquid into spin chamber
Eddy flow acceleration is carried out, then the gas accelerated with taper air-jet device carries out mixed aerosol, then passes through the droplet particles of atomization
Vibration spring plate carries out cutting and breaks up, and aggravation atomization finally sprays from nozzle divergence section, increases contact area, improves atomizing effect.
The atomizing effect of nozzle is better than plain nozzle, can achieve the effect of plain nozzle high pressure in the case where entrance low pressure；Its mist
It is good to change effect, it is convenient for disassembly and assembly, it is not easy to blocking and leakage.
Detailed description of the invention
Fig. 1 is the entirety sectional view that the present invention is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is the perspective view of spin chamber；
Fig. 4 is the perspective view of flange body.
In figure: the liquid inlet 1-；2- fluid passage；3- feed space；4- flange body；The first screw thread of 5-；The spin chamber 6-；7- spray
Head；8- contraction section；9- venturi；10- expansion segment；11- vibration spring plate；12- taper air-jet device；The second screw thread of 13-；14- gas
Channel；The gas access 15-；16- annular groove；The tapered hole 17-；18- sink；19- baffle；20- drainage channel；21- vortex chamber；
22- oblique through hole；23- centre bore.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following embodiment.
Embodiment 1:
Fig. 1 shows a kind of structure for being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle.One kind being introduced tangentially into rotation
Streaming gas-liquid mixed high-efficiency atomizing nozzle, including feed space 3, spin chamber 6, spray head 7, the interior feed space 3 includes gas passage
14, flange body 4, gas passage 14 and taper air-jet device 12 are interference fitted, and prevent air-flow exposed, and feed space 3 and spin chamber 6 are logical
It crosses the first screw thread 5 to be assembled, baffle 19 is equipped in spin chamber 6, the main body and spray head 7 of spin chamber 6 are by welding
It links together.
Fig. 2 show main nebulization region, from liquid reaches this out from spin chamber 6, can generate in central area
Low-pressure area to be easier to introduce a gas into, while being equipped with equally distributed eight on the tapered surface of taper air-jet device 12
Tapered hole 17 can effectively accelerate gas ejection, and last gas is mixed with liquid, and aggravates mist under the action of annular groove 16
Change, improves atomizing effect.
Contain sink 18 in spin chamber 6 shown in Fig. 3, inside sets that there are four height all as the sickle-shaped baffle 19 of 1mm, with
And introduce fluid into the drainage channel 20 of vortex chamber 21.
Fig. 4 show flange body 4, and centre is equipped with threaded centre bore 23 and is used to access gas passage 14, in its radial direction
Distance is that eight oblique through holes 22 are evenly distributed at 6.5mm to introduce fluid.
The 3 body ends inner wall of feed space is equipped with internal screw thread, reach 4.5mm, with flange body 4 and spin chamber
6 external screw thread is connected by the first screw thread 5, and the centre bore 23 of flange body 4 is equipped with internal screw thread, and gas passage 14 is equipped with outer spiral shell
Line, the two are attached by the second screw thread 13, and externally threaded length is 2 ~ 3mm on gas passage 14.Taper air-jet device 12
Cylinder linkage section be equipped with external screw thread, connect with the internal screw thread of gas passage 14, the internal screw thread length of gas passage 14 for 0.6 ~
0.8mm。
The 3 inner flange body 4 of feed space with a thickness of 1.5mm, the diameter of fluid passage 2 is 15mm, gas passage 14
Diameter of bore is 1mm, and 23 diameter of centre bore of flange body 4 is 1.2mm, and the diameter of oblique through hole 22 is 2mm, and each oblique through hole
The distance of 22 to centre bore 23 is all 6.5mm, each oblique through hole 22 faces the sink 18 of spin chamber 6, improves liquid with this
The abundant mobility of body.
22 center line of oblique through hole of the flange body 4 and 23 axis angle of centre bore of flange body 4 are 20 ~ 50 °, can be incited somebody to action
Liquid is imported into the sink 18 of spin chamber 6, circulates liquid sufficiently here.The taper air-jet device 12 it is tapered
The angle of 17 center line of hole and 4 axis of flange body is 65 ~ 80 °.
16 depth of annular groove of the spray head contraction section 8 is 0.5mm, width 0.8mm.The inner face face of annular groove 16
The tapered hole 17 of taper air-jet device 12.The vibration spring plate 11 at least four of spray head contraction section 8 passes through welding with a thickness of 0.1mm
Mode is connected on 7 inner wall of spray head.
The gas passage 14 is gap-matched with flange body 4, the phase of adjustable gas passage 14 and flange body 4
It is sufficiently mixed liquid with gas position.Gas passage 14 and taper air-jet device 12 are prevented using being interference fitted
Gas leakage.
The spin chamber 6 is attached by the way of welding with spray head 7, effectively improves leakproofness, so that gas-liquid is mixed
It can finally be sprayed from the venturi 9 of spray head 7 and expansion segment 10 well into spray head 7 after conjunction.
The assembly method for being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle.First based on spray head 7
Vibration spring plate 11 is welded on the inner wall of spray head contraction section 8 by components, and then by treated, 6 main body of spin chamber is welded to
On the left side of spray head 7.Taper air-jet device 12 is screwed into the end of gas passage 14, gas passage 14 is then connected to flange body
In 4, and the distance of stretching is regulated, then fits into the flange body 4 being installed in the end thread of 3 main body of feed space,
Finally by after welding 6 main body of spin chamber and 7 main body of spray head be assembled in the end thread of 3 main body of feed space and tighten, guarantee with
Flange body seamless connection, is finally completed general assembly.
After component assembly, gas passage 14 is connected to taper air-jet device 12 and spray head contraction section 8,2 communicating method of fluid passage
Oblique through hole 22, spin chamber 6 and the spray head contraction section 8 of blue body 4.Liquid enters from fluid passage entrance 1, after accelerated, drainage
Spin chamber 6 is reached, secondary acceleration is then carried out into vortex chamber 21 by drainage channel 20, and shrink in vortex chamber 21 and spray head
The central area of section 8 generates low pressure, and gas is made to be easier to be injected.Gas then enters from gas access 15, through gas passage 14
Into taper air-jet device 12, accelerates the ejection of gas under the action of tapered hole 17, mixed and be atomized with liquid, simultaneously
Enhance atomizing effect in the case where the annular groove 16 of spray head contraction section 8 acts on, the cutting then through vibration spring plate 11 is broken up, and atomization is reduced
Particle is finally sprayed by venturi 9 and expansion segment 10 to aggravation atomization again, and expansion segment 10 increases atomization coverage area,
Improve nebulization efficiency.
Claims (9)
1. one kind is introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, including feed space, spin chamber and spray head；Its feature exists
In: the feed space is made of coaxial double-layered cylinder, inner cylindrical at chamber be gas passage, outer cylindrical at chamber
For fluid passage；Feed space is connected with spin chamber by flange body, and flange body is disc structure, equal radial spacing on flange body
Place is uniformly distributed eight oblique through holes；
The spin chamber is made of vortex chamber and four baffles, and wherein baffle is by the knot for the reaping hook shape that height is 1mm
Structure is constituted, and the radially even distribution of baffle, vortex chamber is the cavity surrounded by four baffles；
The center of flange body is equipped with threaded hole, and the inner cylinder of feed space sequentially passes through the eddy flow of the centre bore of flange body, spin chamber
Chamber, the other end connect taper air-jet device, and the left end of taper air-jet device is cylinder linkage section, the hole inside cylinder linkage section with
The inner cavity of taper air-jet device is smoothly connected, and is distributed uniformly and circumferentially tapered hole at the center of the taper air-jet device conical surface；
Spin chamber is connect with spray head, is truncated cone-shaped outside spray head, and inside is divided into contraction section, venturi and expansion segment, contraction section and rotation
Chamber connection is flowed, contraction section is equipped with annular groove, the tapered hole exits face of taper air-jet device at distance starting 1 ~ 1.5mm of position
Annular groove on spray head inner wall, can be improved atomizing effect；The middle part of contraction section is equipped with vibration spring plate；Venturi both ends respectively and shrink
Section, expansion segment are smoothly connected.
2. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: feed space
It is forge piece of step type structure with flange body junction, stepped groove inner wall is equipped with screw thread, connect with the external screw thread of flange body and spin chamber；Institute
It states and is equipped with internal screw thread in the centre bore of flange body, be correspondingly provided with external screw thread on the outside of inner cylinder, which is 3 ~
5mm, the two are connected through a screw thread.
3. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: feed space
Inner cylinder stretch out 3 ~ 5mm outside flange body, inner cylinder end connect with the external screw thread of the cylinder linkage section of taper air-jet device,
The external thread length of cylinder linkage section is 0.6 ~ 0.8mm.
4. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: the cone
The conical surface wall thickness of the expansion segment of shape air-jet device is 0.6mm, and bottom surface wall thickness is 0.4mm.
5. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: the method
Radial spacing is that eight oblique through holes are uniformly distributed at 6.5mm on blue body, and the angle of center line and flange body axis is 20 ~ 50 °.
6. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: described
Set that there are four height in spin chamber as the baffle of the sickle-shaped structure of 1mm, the middle part of baffle forms vortex chamber, baffle and
A circle sink is formed between eddy flow chamber interior walls, circulates fluid in the sink, baffle constitutes drainage channel between any two,
Fluid in sink can be introduced into vortex chamber and carry out acceleration eddy flow.
7. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: the spray
The vibration spring plate of head contraction section is the trapezoidal thin slice of stainless steel, with a thickness of 0.1mm, along same on the inner wall of contraction section
Circumferencial direction uniform welding four.
8. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: the cone
The tapered hole of shape air-jet device is uniformly provided with eight along tapered surface, accelerates gas and sprays；The tapered hole of the taper air-jet device
The angle of center line and flange body axis is 65 ~ 80 °.
9. according to claim 1 be introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle, it is characterised in that: the spray
The expansion segment angle of head is maintained at 60 ~ 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230186.3A CN106881214B (en) | 2017-04-10 | 2017-04-10 | One kind being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230186.3A CN106881214B (en) | 2017-04-10 | 2017-04-10 | One kind being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106881214A CN106881214A (en) | 2017-06-23 |
| CN106881214B true CN106881214B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710230186.3A Expired - Fee Related CN106881214B (en) | 2017-04-10 | 2017-04-10 | One kind being introduced tangentially into spiral-flow type gas-liquid mixed high-efficiency atomizing nozzle |
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| CN107261706A (en) * | 2017-07-31 | 2017-10-20 | 刘明谭 | A kind of atomizing road dedusting purging system |
| CN107907003A (en) * | 2017-11-01 | 2018-04-13 | 上海伏波环保设备有限公司 | The atomizer of forvacuum room |
| CN109482380B (en) * | 2018-12-24 | 2023-11-21 | 亿川科技(成都)有限责任公司 | Mixed-flow type multistage steam atomizing nozzle |
| CN110314776B (en) * | 2019-08-02 | 2024-06-21 | 中国人民解放军96771部队 | Self-cleaning spray head |
| CN110947532B (en) * | 2019-11-19 | 2021-05-04 | 太原理工大学 | Vortex excitation nozzle with elastic vibrating piece cavity |
| CN110790232A (en) * | 2019-12-04 | 2020-02-14 | 清华大学 | Liquid fuel catalytic reforming device |
| CN111214918A (en) * | 2020-03-16 | 2020-06-02 | 刘时章 | Atomization mixer for waste gas coagulation treatment |
| CN111823394B (en) * | 2020-07-01 | 2022-08-19 | 广州绿邦环境技术有限公司 | Resource utilization equipment for incineration fly ash of household garbage and treatment process thereof |
| CN112369922A (en) * | 2020-10-10 | 2021-02-19 | 华帝股份有限公司 | Atomizing nozzle, steam generator and steam cooking equipment |
| CN113019735B (en) * | 2021-05-10 | 2022-04-19 | 中国矿业大学 | A mix formula step reinforcing atomizing device in rotation for dust fall |
| CN114856767B (en) * | 2022-05-11 | 2023-07-11 | 广西博盛迪科技有限公司 | Atomization structure and ejector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723752A1 (en) * | 1997-06-06 | 1998-12-10 | Cerpraecis Anwendungen Fuer In | Swirl nozzle for fluid ejection |
| CN2367395Y (en) * | 1998-05-14 | 2000-03-08 | 重庆大学 | Atomizing water nozzle |
| CN201020420Y (en) * | 2006-09-25 | 2008-02-13 | 伍沅 | High volume whirlpool pressure nozzle |
| CN202021105U (en) * | 2011-03-31 | 2011-11-02 | 江苏宇达电站辅机阀门制造有限公司 | Tangential cyclone large-spray angle nozzle |
| CN202290372U (en) * | 2011-10-11 | 2012-07-04 | 浙江工业大学 | Low-voltage rotational-flow atomizing nozzle |
| CN203209210U (en) * | 2013-05-03 | 2013-09-25 | 智胜化工股份有限公司 | Removable and washable atomizing spray head |
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2017
- 2017-04-10 CN CN201710230186.3A patent/CN106881214B/en not_active Expired - Fee Related
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Granted publication date: 20190222 Termination date: 20200410 |