CN208554675U - A kind of low pressure internal-mixing two-fluid spray nozzle - Google Patents
A kind of low pressure internal-mixing two-fluid spray nozzle Download PDFInfo
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- CN208554675U CN208554675U CN201821066329.8U CN201821066329U CN208554675U CN 208554675 U CN208554675 U CN 208554675U CN 201821066329 U CN201821066329 U CN 201821066329U CN 208554675 U CN208554675 U CN 208554675U
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Abstract
The utility model provides a kind of low pressure internal-mixing two-fluid spray nozzle, including being atomized cap, nozzle body, liquid mouth core and air conducting core, being atomized cap has atomization inner cavity and spout runner, nozzle body has air inlet, air conducting core is connected to nozzle body and atomization cap, it is internal with air conducting chamber and mixing chamber, liquid mouth core close-fitting is on nozzle body central axis, it is internal with fluid passage, the liquid feeding end of fluid passage is got through, other end closing, liquid mouth core is circumferentially provided with more than two squit holes communicated with fluid passage in nearly fluid passage closed end, the ejection end of squit hole is in mixing chamber, air inlet, gas flow guiding chamber, mixing chamber, it is atomized inner cavity, spout runner is sequentially communicated, and squit hole is connected to mixing chamber；The low pressure internal-mixing two-fluid spray nozzle can reduce air consumption, improve nebulization efficiency, improve atomizing particle fineness and particle concentration degree, reach energy-saving and environment-friendly purpose.
Description
Technical field
The utility model relates to a kind of low pressure internal-mixing two-fluid spray nozzles comprising atomization cap, nozzle body, liquid mouth core
With air conducting core.
Background technique
Demand due to country for energy-saving and environment-friendly great attention and its people to high-quality living environment, desulphurization and denitration,
The technologies such as wastewater zero discharge, flue gas cooling and dedusting are widely applied in market, such as in desulfurization wastewater Zero-discharge treating process
In used the treatment process such as waste heat evaporation drying, crystallization, used in this engineer application twin spray gun its atomization
Particle fineness is to solve this technology problem key, and double-current spray gun body atomization process air consumption now in the market is big, atomizing particle
Disperse, gas-water ratio adjusts fluctuation greatly in operational process, and particle is larger, it is difficult to meet special engineered application requirement.It is such as useless in desulfurization
Using conventional spray nozzle because atomization fineness and particle concentration degree are undesirable when water zero discharge processing, cause part in atomization big
Partial size waste water is unable to fully dry and increases high maintenance cost.
It is accordingly required in particular to a kind of atomization plant, to solve problems of the prior art.
Summary of the invention
For the problems of above-mentioned prior art, the purpose of the utility model is to provide one kind can reduce gas consumption
Amount improves nebulization efficiency, improves the low pressure internal-mixing two-fluid spray nozzle of atomizing particle fineness and particle concentration degree.
In order to achieve the above objectives, the technical scheme adopted by the utility model is
A kind of low pressure internal-mixing two-fluid spray nozzle, including atomization cap, nozzle body, liquid mouth core and air conducting core, institute
Stating atomization cap has atomization inner cavity and spout runner, and the nozzle body has air inlet, and the air conducting core is connected to spray
Mouth main body and atomization cap, internal to have air conducting chamber and mixing chamber, the liquid mouth core close-fitting is in nozzle body central axis
On, internal to have fluid passage, the liquid feeding end of the fluid passage is got through, and other end closing, the liquid mouth core is nearly
Fluid passage closed end is circumferentially provided with more than two squit holes communicated with fluid passage, the ejection end direction of the squit hole
In mixing chamber, the air inlet, gas flow guiding chamber, mixing chamber, atomization inner cavity, spout runner are sequentially communicated, and squit hole and mixed
Close chamber connection.
Preferably, the centerline hole and the angle of gas flow guiding core central axis of spraying is 45 degree.
Preferably, the liquid mouth core includes leading portion portion and back segment portion, it is formed between the leading portion portion and back segment portion
The highest point of step, the step is equal with leading portion portion end, and the step is located at mixing chamber close to one end of air conducting chamber,
The step is to spray hole site.
Preferably, the step is 45 degree of steps.
Preferably, the mixing chamber designs flue chamber, the atomization inner cavity of larger diameter end direction atomization cap.
Preferably, the gas flow guiding chamber is conical cavity, smaller diameter end is towards mixing chamber.
Preferably, one end that the atomization cap is provided with spout runner is arc-shaped.
Preferably, further including coupling nut, the coupling nut connects nozzle body, air conducting core with atomization cap
Locking.
Preferably, the coupling nut is internally provided with threaded hole and stepped hole, it is provided on the atomization cap and platform
The adaptable raised step in rank hole, the raised step are mounted in stepped hole.
Preferably, be provided with stepped hole inside the nozzle body and atomization cap, the air conducting core installation with
In the stepped hole of the two.
The beneficial effects of the utility model are:
The utility model provides a kind of low pressure internal mix air atomizing nozzle, can reduce air consumption, improves nebulization efficiency,
Atomizing particle fineness and particle concentration degree are improved, reaches energy-saving and environment-friendly purpose, while having many advantages, such as convenient disassembly, specifically
It is as follows:
One, the utility model makes full use of each runner of nozzle interior, shears gas liquid mixture in intracavitary continuous mixing
Broken atomization, improves atomizing effect.Liquid enters the fluid passage of liquid mouth core, sprays strike to gas flow guiding core from squit hole
Inner wall and with the gas impingement mix that passes through of high speed by the compression of gas flow guiding chamber, complete to be atomized for the first time；Gas liquid mixture
By mixing chamber back segment enter atomization in it is intracavitary, since mixing chamber back segment cross-sectional area becomes larger suddenly, make gas liquid mixture
Pressure becomes larger flow velocity decline suddenly, to realize second of liquid atomization；Gas liquid mixture enters atomization inner cavity and passes through
Spout runner generates extruding, impact again and collides shearing and expansion etc. with outside air, tears gas liquid mixture again broken
Broken atomization is completed third time and is atomized.
Two, the fluid passage liquid feeding end of the liquid mouth core of the utility model is got through, and other end closing, liquid mouth core is nearly
Fluid passage closed end is circumferentially provided with more than two squit holes communicated with fluid passage, energy when liquid is sprayed by squit hole
Gas flow guiding in-core wall fragmentation is enough got to, is conducive to keep atomizing effect more preferable.
Three, the ejection centerline hole of the liquid mouth core of the utility model and the angle of gas flow guiding core central axis are 45
Degree, liquid can get to gas flow guiding in-core wall fragmentation when spraying by squit hole, be conducive to keep atomizing effect more preferable, while can
To weaken interacting between aqueous vapor.
Four, the liquid mouth core of the utility model includes leading portion portion and back segment portion, is formed with platform between leading portion portion and back segment portion
Rank, step are to spray hole site, and the design of step is primarily to facilitate punching.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of low pressure internal-mixing two-fluid spray nozzle in the embodiments of the present invention.
Fig. 2 is a kind of cross-sectional view of low pressure internal-mixing two-fluid spray nozzle in the embodiments of the present invention.
Fig. 3 is a kind of structural representation of the liquid mouth core of low pressure internal-mixing two-fluid spray nozzle in the embodiments of the present invention
Figure.
Appended drawing reference:
Nozzle body 1；Air inlet 11；
It is atomized cap 2；It is atomized inner cavity 21；Spout runner 22；Raised step 23；
Coupling nut 3；
Air conducting core 4；Air conducting chamber 41；Mixing chamber 42；
Liquid mouth core 5；Fluid passage 51；Squit hole 52；Leading portion portion 53；Back segment portion 54.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, elaborated below with specific embodiment
The more technical details of the utility model.
As shown in Figure 1 to Figure 3, the low pressure internal-mixing two-fluid spray nozzle of the present embodiment can reduce air consumption, improve atomization
Efficiency improves atomizing particle fineness and particle concentration degree, reaches energy-saving and environment-friendly purpose, while having convenient disassembly etc. excellent
Point, overall length 68.5mm, including nozzle body 1, atomization cap 2, coupling nut 3, air conducting core 4 and liquid mouth core 5, wherein
Nozzle body 1 has air inlet 11, and one end is provided with external screw thread.
Being atomized cap 2 has atomization inner cavity 21 and spout runner 22, and one end that atomization cap 2 is provided with spout runner 22 is circular arc
Shape, atomization 2 other end of cap are provided with raised step 23, and spout runner 22 can design 6-12, and diameter may be designed as 2-3mm,
In the present embodiment, spout runner 22 has 9, diameter 2.1mm, and atomizing effect is good.
3 outer diameter of coupling nut is Φ 49mm, and coupling nut 3 locks nozzle body 1, air conducting core 4 and the atomization connection of cap 2
Tightly, the stepped hole that coupling nut 3 is internally provided with internal thread hole and is adapted with raised step 23 is atomized the raised step of cap 2
23 are mounted in stepped hole, and nozzle body 1 is threadedly coupled with coupling nut 3, and convenient disassembly is convenient for safeguarding, when spout runner 22
When there is runner blocking or fouling, it can disassemble and be handled.
There is air conducting chamber 41 and mixing chamber 42, gas flow guiding chamber 41 is conical cavity, small straight inside air conducting core 4
Towards mixing chamber 42, this design can make gas compression to improve the impact dynamics of gas and improve atomizing effect at diameter end, mix
It closes chamber 42 and designs flue chamber, for larger diameter end towards the atomization inner cavity 21 of atomization cap 2, this designs 42 leading portion internal diameter of mixing chamber
Unanimously, back segment internal diameter becomes larger until equal with atomization 21 internal diameter of atomization inner cavity of cap 2, and gas and liquid are before mixing chamber 42
Section mixing acceleration shock atomization, gas liquid mixture is entered in atomization inner cavity 21 by 42 back segment of mixing chamber, after mixing chamber 42
Section cross-sectional area become larger suddenly, make the pressure of gas liquid mixture become larger suddenly flow velocity decline, to realize the second of liquid
Secondary atomization, air inlet 11, gas flow guiding chamber 41, mixing chamber 42, atomization inner cavity 21, spout runner 22 are sequentially communicated.
The consistent stepped hole of internal diameter, the installation of air conducting core 4 and the two are provided with inside nozzle body 1 and atomization cap 2
Stepped hole in, first air conducting core 4 is mounted in the stepped hole of atomization cap 2 when installation, nozzle body 1 and coupling nut 3
When threaded connection, air conducting core 4 is locked inside nozzle body 1 and atomization cap 2.
For 5 close-fitting of liquid mouth core on 1 central axis of nozzle body, internal have a fluid passage 51, fluid passage 51 into
Liquid end is got through, the other end closing, liquid mouth core 5 nearly 51 closed end of fluid passage circumferentially setting there are two with fluid passage 51
The ejection end of the squit hole 52 communicated, squit hole 52 is in mixing chamber 42, is connected to mixing chamber 42, fluid passage 51 skips over spray
Portal 52, the angle of 52 center line of squit hole and gas flow guiding core central axis is 45 degree, is punched for convenience, liquid mouth core 5
Including leading portion portion 53 and back segment portion 54,45 degree of steps are formed between leading portion portion 53 and back segment portion 54, the highest point of step is with before
53 end of section portion is equal, and step is located at the smaller diameter end of mixing chamber 42, and step is 52 position of squit hole, 5 rear end face of liquid mouth core
It is equal with 4 rear end face of gas flow guiding core, and the end slightly has chamfering.
The design of quantity about squit hole 52, the quantity of squit hole 52 are sprayed depending on the atomizing effect of actual measurement
As long as 52 total cross-section area of hole is certain, the quantity in hole influences less water consumption and air consumption, in a certain range, hole count
Its more atomizing effect are better.The low pressure internal-mixing two-fluid spray nozzle of this implementation effect in 6~10 squit holes 52 is best.By
In the limitation of nozzle own dimensions, when hole count more to a certain degree when, atomizing effect can not necessarily improve.Hole count is too many
Words, due to physical performance, atmospheric pressure meeting compression spraying range reduces spread of spray, makes the water mist of atomization again
It is secondary to collide with each other, increase partial size instead, thus plays reaction.It will make to spray to meet its air consumption and water consumption
The 52 total cross-sectional areas that portal are certain, and when one timing of cross-sectional area, hole count is more, and aperture is smaller, and the too small difficulty of processing in aperture increases
It is not strong to sum it up practicability, and too little Yi blocking in aperture is unfavorable for daily maintenance.
About the design of 52 center line of squit hole and the angle of gas flow guiding core central axis, 52 center line of squit hole and gas
4 central axis of body Water conservancy diversion core is to meet when liquid is sprayed by squit hole 52 and can get in gas flow guiding core 4 in 45 degree
Wall fragmentation who, be conducive to keep atomizing effect more preferable, while interacting between aqueous vapor can be weakened, it is of course also possible to be designed to
Other angles, but comparatively, the atomizing effect of other angles is less good, if in squit hole 52 and gas flow guiding core 4
Mandrel line is vertical, advantageous to being atomized although water can also be made directly to get to 4 inner wall fragmentation water of gas flow guiding core, can increase in this way
Influencing each other between big aqueous vapor, is unfavorable for the stability of atomizing effect.
The low pressure internal mix air atomizing nozzle of the present embodiment only needs air consumption to reach 50m^3/H when air pressure is 5Bar
When, the water mist of 4.2L/Min can be made to be melted into its partial size V90 < 50um.And the nozzle of other this non-internal structures, it is in air pressure
When 5Bar, air consumption will reach 80m^3/H, and the water mist of 4.8L/Min can just be made to be melted into its partial size V90 in 50um or so, 1L's
It is 50um or so that the compressed gas (gas liquid ratio 278) that water needs to consume 0.278 m^3, which could be atomised to V90, and this implementation
The low pressure internal mix air atomizing nozzle of example only needs the compressed gas (gas liquid ratio 198) of 0.198 m^3 that can make its atomization
Low pressure internal mix air atomizing nozzle atomization to V90 < 50um, the present embodiment is more efficient, and working principle is as follows:
The low pressure internal mix air atomizing nozzle of the present embodiment makes full use of each runner of nozzle interior, and gas liquid mixture is made to exist
Intracavitary continuous mixing shearing-crushing atomization, improves atomizing effect, liquid enters the fluid passage 51 of liquid mouth core 5, from ejection
Hole 52, which sprays, hits to 4 inner wall of gas flow guiding core and mixes with the gas impact passed through at a high speed by the compression of gas flow guiding chamber 41
It closes, completes to be atomized for the first time；Gas liquid mixture is entered in atomization inner cavity 21 by 42 back segment of mixing chamber, due to 42 back segment of mixing chamber
Cross-sectional area becomes larger suddenly, so that the pressure of gas liquid mixture is become larger suddenly flow velocity decline, to realize the second of liquid
Atomization；Gas liquid mixture enters atomization inner cavity 21 and generates extruding again by spout runner 22, impacts and touch with outside air
Shearing and expansion etc. are hit, gas liquid mixture is made to tear broken atomization again, third time is completed and is atomized.
Although the utility model is to be described with reference to specific embodiments, this description is not meant to the utility model
It is construed as limiting.Referring to the description of the utility model, other variations of the disclosed embodiments are all for those skilled in the art
It is anticipated that, such variation should belong in appended claims limited range.
Claims (10)
1. a kind of low pressure internal-mixing two-fluid spray nozzle, including atomization cap, nozzle body, liquid mouth core and air conducting core, described
Being atomized cap has atomization inner cavity and spout runner, and the nozzle body has air inlet, and the liquid mouth core close-fitting is in nozzle master
On body central axis, the air conducting core is connected to nozzle body and atomization cap, internal to have air conducting chamber and mixing chamber,
It is characterized in that, the liquid mouth core has fluid passage, the liquid feeding end of the fluid passage is got through, other end closing, described
Liquid mouth core is circumferentially provided with more than two squit holes communicated with fluid passage, the ejection in nearly fluid passage closed end
The ejection end in hole is sequentially communicated towards mixing chamber, the air inlet, gas flow guiding chamber, mixing chamber, atomization inner cavity, spout runner,
And squit hole is connected to mixing chamber.
2. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that the ejection centerline hole and gas
The angle of body Water conservancy diversion core central axis is 45 degree.
3. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that the liquid mouth core includes leading portion
Portion and back segment portion are formed with step between the leading portion portion and back segment portion, the highest point of the step is equal with leading portion portion end,
The step is located at mixing chamber close to one end of air conducting chamber, and the step is to spray hole site.
4. low pressure internal-mixing two-fluid spray nozzle according to claim 3, which is characterized in that the step is 45 degree of steps.
5. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that the mixing chamber is designed to loudspeaker
Shape chamber, the atomization inner cavity of larger diameter end direction atomization cap.
6. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that the gas flow guiding chamber is taper
Chamber, smaller diameter end is towards mixing chamber.
7. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that the atomization cap is provided with spout
One end of runner is arc-shaped.
8. low pressure internal-mixing two-fluid spray nozzle according to claim 1, which is characterized in that it further include coupling nut, it is described
Nozzle body, air conducting core are connected locking with atomization cap by coupling nut.
9. low pressure internal-mixing two-fluid spray nozzle according to claim 8, which is characterized in that setting inside the coupling nut
There are threaded hole and stepped hole, the raised step being adapted with stepped hole, the raised step installation are provided on the atomization cap
In stepped hole.
10. low pressure internal-mixing two-fluid spray nozzle according to claim 8, which is characterized in that the nozzle body and atomization
Stepped hole is provided with inside cap, the air conducting core is installed in the stepped hole of the two.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066329.8U CN208554675U (en) | 2018-07-05 | 2018-07-05 | A kind of low pressure internal-mixing two-fluid spray nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066329.8U CN208554675U (en) | 2018-07-05 | 2018-07-05 | A kind of low pressure internal-mixing two-fluid spray nozzle |
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| CN208554675U true CN208554675U (en) | 2019-03-01 |
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| CN201821066329.8U Expired - Fee Related CN208554675U (en) | 2018-07-05 | 2018-07-05 | A kind of low pressure internal-mixing two-fluid spray nozzle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918284A (en) * | 2019-12-11 | 2020-03-27 | 江苏徐工工程机械研究院有限公司 | Medium atomizing nozzle, spraying device and spraying machine |
| CN112371377A (en) * | 2020-10-27 | 2021-02-19 | 湖北山石智能科技有限公司 | Plant protection unmanned aerial vehicle's hydrojet head |
| CN112797423A (en) * | 2020-12-31 | 2021-05-14 | 南京博纳能源环保科技有限公司 | Atomizing nozzle and waste liquid incineration device |
| CN112984558A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Natural gas nozzle of gas turbine |
| CN113332471A (en) * | 2021-06-01 | 2021-09-03 | 右江民族医学院附属医院 | Disinfection room for epidemic prevention and control |
| CN115163255A (en) * | 2021-04-07 | 2022-10-11 | 洛阳信德科技有限公司 | Application method of high-pressure spray head device for purifying smoke dust in engine tail gas |
-
2018
- 2018-07-05 CN CN201821066329.8U patent/CN208554675U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918284A (en) * | 2019-12-11 | 2020-03-27 | 江苏徐工工程机械研究院有限公司 | Medium atomizing nozzle, spraying device and spraying machine |
| CN110918284B (en) * | 2019-12-11 | 2023-08-01 | 江苏徐工工程机械研究院有限公司 | Medium atomizing nozzle, atomizer and sprayer |
| CN112371377A (en) * | 2020-10-27 | 2021-02-19 | 湖北山石智能科技有限公司 | Plant protection unmanned aerial vehicle's hydrojet head |
| CN112797423A (en) * | 2020-12-31 | 2021-05-14 | 南京博纳能源环保科技有限公司 | Atomizing nozzle and waste liquid incineration device |
| CN112984558A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Natural gas nozzle of gas turbine |
| CN115163255A (en) * | 2021-04-07 | 2022-10-11 | 洛阳信德科技有限公司 | Application method of high-pressure spray head device for purifying smoke dust in engine tail gas |
| CN115163255B (en) * | 2021-04-07 | 2023-07-21 | 洛阳信德科技有限公司 | Application method of high-pressure spray nozzle device for purifying tail gas and smoke dust of engine |
| CN113332471A (en) * | 2021-06-01 | 2021-09-03 | 右江民族医学院附属医院 | Disinfection room for epidemic prevention and control |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |