CN104772242A - Atomization spray nozzle - Google Patents
Atomization spray nozzle Download PDFInfo
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- CN104772242A CN104772242A CN201510202751.6A CN201510202751A CN104772242A CN 104772242 A CN104772242 A CN 104772242A CN 201510202751 A CN201510202751 A CN 201510202751A CN 104772242 A CN104772242 A CN 104772242A
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- venturi
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- tracheae
- inlet
- nozzle body
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Abstract
The invention discloses an atomization spray nozzle, which comprises a spray nozzle body, a Venturi air pipe, an air inlet, a liquid inlet and a spray head, wherein the Venturi air pipe is arranged in the spray nozzle body; a liquid-phase suck-in hole is formed in a throat passage section of the Venturi air pipe; the air inlet is connected onto the spray nozzle main body, and is connected with an inlet of the Venturi air pipe; the liquid inlet is also connected onto the spray nozzle main body, in addition, the liquid inlet is also communicated with the liquid-phase suck-in hole of the Venturi air pipe; the front end of the spray head is provided with a scattering head, in addition, an atomization spraying passage is formed between an outlet of the spray head and the scattering head; the spaying head is connected onto the spray nozzle body, in addition, the spray head is communicated with an outlet of the Venturi air pipe, and the front end of the scattering head is provided with an annular electrification coil. The atomization spray nozzle has the advantages that a gas phase and a liquid phase can be sufficiently mixed, meanwhile, the atomization fineness and the fog drop distribution uniformity are greatly improved, the structure is simple, and the cost is low.
Description
Technical field
The present invention relates to a kind of atomizer, belong to spraying equipment technical field.
Background technology
At present; the dust of below the 10um particle diameter produced in industrial processes; be difficult to natural subsidence; not only the healthy of workman is had a strong impact on; also can cause dangerous dust explosion, simultaneously along with air-polluting is on the rise, the exception of environmental protection problem is outstanding; atomizer is in environmental protection, and the utilization in spray for dust suppression field is also more and more extensive.But due to the restriction of technical conditions, existing atomizer does not combine with electrostatic precipitator technology, the poor effect of the drop absorption respirable dust after atomization.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of liquid gas two-phase atomizer [application number: 201220000554.8], comprise fluid chamber, air chamber, hybrid chamber and spray orifice, described fluid chamber and air chamber all communicate with hybrid chamber, described hybrid chamber communicates with spray orifice, fluid chamber and air chamber are respectively equipped with liquid inlet and gas access, and described spray orifice outer end is provided with diffusion tip, and described diffusion tip is connected with spray orifice and communicates.
Such scheme improves prior art to a certain extent, and gas and liquid can be made fully to mix, and clashes into atomizing effect also better.But this liquid gas two-phase atomizer does not combine with existing electrostatic precipitator technology, the effect of clashing into the drop absorption respirable dust after atomization is poor, and atomizing effect is not very desirable.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, a kind of atomizer is provided, it can not only make gas-liquid two-phase fully mix, substantially increase the uniformity of atomized particle size and Pcnten-1 yne-4 simultaneously, structure is simple, and cost is low, and can make the drop fast live line after atomization, dust removal ability is improved, thus significantly promotes dust removing effects.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of atomizer, and it comprises:
Nozzle body;
Venturi tracheae, described venturi tracheae is arranged in nozzle body, and the venturi section of described venturi tracheae has liquid phase inlet hole;
Air inlet, described air inlet is connected on nozzle body, and air inlet is connected with the import of venturi tracheae;
Inlet, described inlet is also connected on nozzle body, and inlet is also connected with the liquid phase inlet hole of venturi tracheae;
Shower nozzle, the front end of described shower nozzle is provided with disperses head, and the outlet of shower nozzle and disperse between head and form atomized spray passage, described nozzle connecting is connected on nozzle body, and shower nozzle is connected with the outlet of venturi tracheae, the front end of dispersing head is provided with annular hot-wire coil.
Further, annular hot-wire coil institute energize is high-voltage DC power supply.
Further, shower nozzle is Openworks shape in the outlet of venturi tracheae and the coupling part of dispersing between head, and this coupling part is gradually to the closing in shape dispersing a direction.
Further in order to avoid causing severe Karman vortex street phenomenon, dispersing head is frustum cone structure.
Maximum making a concerted effort is reached when spraying further in order to be conducive to, just can reach higher jet velocity and atomizing effect without the need to too high pressure when this atomizer is worked, air inlet, nozzle body, shower nozzle, venturi tracheae and disperse head longitudinal center line on same straight line.
Make nozzle body have very strong yield strength and good wearability further, nozzle body is made up of SUS303 stainless steel.
Further in order to enable shower nozzle high temperature resistant, and have higher wearability, shower nozzle is made up of carbofrax material.
Further, the inner passage of inlet and/or air inlet is cylindrical channel.
After have employed technique scheme, the intermediate gas flow path of nozzle body is designed to venturi tracheae, when gas is through venturi section, gas flow rate reaches maximum, static pressure is minimum, now venturi place can produce a pressure reduction, this pressure reduction is as the external suction of venturi upper liquid, passed through liquid phase inlet hole and sucked venturi tracheae, now liquid mixes with Vigorous gas, liquid crushing, spray in the outlet of venturi tracheae, because gas has very high annular velocity, liquid velocity is lower, form larger speed difference, gas-liquid produces huge friction and shear action, liquid is drawn as the elongated silk of a rule, rupture very soon at these comparatively thin place and form the droplet of smile, liquid is by primary atomization, break the droplet of line along with air-flow is along the air flue of nozzle body to spray outlet accelerated motion, has formed minute bubbles, when bubble arrives exit, external pressure reduces suddenly, and a large amount of air bubble expansion breaks, and produces cavitation phenomenon, it is torn the destruction of droplet continuation around, liquid secondary-atomizing, gas-liquid impingement after secondary-atomizing to shower nozzle place disperse head after, droplet clashes into atomization again, achieves three times of liquid atomizations, this makes it possible to gas-liquid two-phase is fully mixed, substantially increase the uniformity of atomized particle size and Pcnten-1 yne-4, structure is simple, and cost is low simultaneously, in addition, the drop after atomization, by after the annular hot-wire coil that is connected with high-voltage DC power supply, makes certain electricity on droplet band by induc-tion charging mode, thus significantly promotes droplet pick-up performance, allows the rapid flocking settling of respiration dust, moreover, simultaneously can by changing the size of high-voltage DC power supply voltage, annular hot-wire coil size, and annular hot-wire coil and the distance of dispersing between head, thus change the charge-mass ratio of water smoke, improve the dust removing effects of droplet.
Accompanying drawing explanation
Fig. 1 is the sectional view of atomizer of the present invention;
Fig. 2 is the structural representation dispersing the forward end of head of the present invention.
Detailed description of the invention
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
As shown in Figure 1, 2, a kind of atomizer, it comprises:
Nozzle body 2;
Venturi tracheae 6, venturi tracheae 6 is arranged in nozzle body 2, and the venturi section of venturi tracheae 6 has liquid phase inlet hole 61; Sealing ring 3 is provided with between venturi tracheae 6 and nozzle body 2 inner chamber;
Air inlet 1, air inlet 1 is connected on nozzle body 2, and air inlet 1 is connected with the import of venturi tracheae 6;
Inlet 4, inlet 4 is also connected on nozzle body 2, and inlet 4 is connected with the liquid phase inlet hole 61 of venturi tracheae 6;
Shower nozzle 5, the front end of shower nozzle 5 is provided with disperses 7, and an outlet of shower nozzle 8 and form atomized spray passage between dispersing 7, described shower nozzle 5 is connected on nozzle body 2, and shower nozzle 5 is connected with the outlet of venturi tracheae 6, a front end of dispersing 7 is provided with annular hot-wire coil 8.Dispersing 7 front portion can lengthen to increase its intrinsic frequency, to prevent from too vibrating during spraying.
Annular hot-wire coil 8 energizes are high-voltage DC power supply.
As shown in Figure 1, shower nozzle 5 is Openworks shape in the outlet of venturi tracheae 6 and a coupling part of dispersing between 7, and this coupling part is gradually to the closing in shape dispersing 7 direction.
As shown in Figure 1,7 are dispersed for frustum cone structure.
As shown in Figure 1, air inlet 1, nozzle body 2, shower nozzle 5, venturi tracheae 6 and disperse 7 longitudinal center line on same straight line.
Nozzle body 2 is made up of SUS303 stainless steel.
Shower nozzle 5 is made up of carbofrax material.
As shown in Figure 1, the inner passage of inlet 4 and/or air inlet 1 is cylindrical channel.Here air inlet 1 and inlet 4 can take the shape and structure of multiple various kinds, enter venturi tracheae 6 fast mix as long as be convenient to liquids and gases.
Operation principle of the present invention is as follows:
The intermediate gas flow path of nozzle body 2 is designed to venturi tracheae 6, when gas is through venturi section, gas flow rate reaches maximum, static pressure is minimum, now venturi place can produce a pressure reduction, this pressure reduction is as the external suction of venturi upper liquid, it is sucked venturi tracheae 6 by liquid phase inlet hole 61, now liquid mixes with Vigorous gas, liquid crushing, spray in the outlet of venturi tracheae 6, because gas has very high annular velocity, liquid velocity is lower, form larger speed difference, gas-liquid produces huge friction and shear action, liquid is drawn as the elongated silk of a rule, rupture very soon at these comparatively thin place and form the droplet of smile, liquid is by primary atomization, break the droplet of line along with air-flow is along the air flue of nozzle body 2 to spray outlet accelerated motion, has formed minute bubbles, when bubble arrives exit, external pressure reduces suddenly, and a large amount of air bubble expansion breaks, and produces cavitation phenomenon, it is torn the destruction of droplet continuation around, liquid secondary-atomizing, gas-liquid impingement after secondary-atomizing to shower nozzle 5 place disperse head after, droplet clashes into atomization again, achieves three times of liquid atomizations, this makes it possible to gas-liquid two-phase is fully mixed, substantially increase the uniformity of atomized particle size and Pcnten-1 yne-4, structure is simple, and cost is low simultaneously, in addition, the drop after atomization, by after the annular hot-wire coil 8 that is connected with high-voltage DC power supply, makes certain electricity on droplet band by induc-tion charging mode, thus significantly promotes droplet pick-up performance, allows the rapid flocking settling of respiration dust, moreover, simultaneously can by changing the size of high-voltage DC power supply voltage, annular hot-wire coil size, and annular hot-wire coil 8 and a distance of dispersing between 7, thus change the charge-mass ratio of water smoke, improve the dust removing effects of droplet.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an atomizer, is characterized in that, it comprises:
Nozzle body (2);
Venturi tracheae (6), described venturi tracheae (6) is arranged in nozzle body (2), and the venturi section of described venturi tracheae (6) has liquid phase inlet hole (61);
Air inlet (1), described air inlet (1) is connected on nozzle body (2), and air inlet (1) is connected with the import of venturi tracheae (6);
Inlet (4), described inlet (4) is also connected on nozzle body (2), and inlet (4) is connected with the liquid phase inlet hole (61) of venturi tracheae (6);
Shower nozzle (5), the front end of described shower nozzle (5) is provided with disperses head (7), and the outlet of shower nozzle (8) and disperse between head (7) and form atomized spray passage, described shower nozzle (5) is connected on nozzle body (2), and shower nozzle (5) is connected with the outlet of venturi tracheae (6), the front end of dispersing head (7) is provided with annular hot-wire coil (8).
2. atomizer according to claim 1, is characterized in that: described annular hot-wire coil (8) institute energize is high-voltage DC power supply.
3. atomizer according to claim 1 and 2, it is characterized in that: described shower nozzle (5) is Openworks shape in the outlet of venturi tracheae (6) and the coupling part of dispersing between head (7), and this coupling part is gradually to the closing in shape dispersing head (7) direction.
4. atomizer according to claim 1 and 2, is characterized in that: described head (7) of dispersing is frustum cone structure.
5. atomizer according to claim 1 and 2, is characterized in that: described air inlet (1), nozzle body (2), shower nozzle (5), venturi tracheae (6) and disperse head (7) longitudinal center line on same straight line.
6. atomizer according to claim 1 and 2, is characterized in that: described nozzle body (2) is made up of SUS303 stainless steel.
7. atomizer according to claim 1 and 2, is characterized in that: described shower nozzle (5) is made up of carbofrax material.
8. atomizer according to claim 1 and 2, is characterized in that: described inlet (4) and/or the inner passage of air inlet (1) are cylindrical channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510202751.6A CN104772242B (en) | 2015-04-24 | 2015-04-24 | Atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510202751.6A CN104772242B (en) | 2015-04-24 | 2015-04-24 | Atomizer |
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| Publication Number | Publication Date |
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| CN104772242A true CN104772242A (en) | 2015-07-15 |
| CN104772242B CN104772242B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510202751.6A Active CN104772242B (en) | 2015-04-24 | 2015-04-24 | Atomizer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215579A (en) * | 2016-07-19 | 2016-12-14 | 孟祥雷 | A kind of air cleaner |
| CN106861475A (en) * | 2017-01-22 | 2017-06-20 | 杭州中泰深冷技术股份有限公司 | Novel gas-liquid mixing fluid-filling structure and its method |
| CN107413543A (en) * | 2017-08-24 | 2017-12-01 | 农业部南京农业机械化研究所 | Induction type static nozzle |
| CN107409958A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | A kind of water medicine integration gas-liquid two-phase atomizer |
| CN109594511A (en) * | 2018-11-16 | 2019-04-09 | 常州信息职业技术学院 | A kind of blowing device with infrared detection |
| CN110629261A (en) * | 2019-09-23 | 2019-12-31 | 谢云真 | High corrosion resistance zinc-iron alloy electroplater of car connecting rod based on operation is simplified |
| WO2020094053A1 (en) * | 2018-11-08 | 2020-05-14 | 北京北方华创微电子装备有限公司 | Spraying apparatus and cleaning device |
| CN111358993A (en) * | 2020-03-12 | 2020-07-03 | 安徽麒麟正大饲料有限公司 | Deodorization system for live pig farm |
| CN111742910A (en) * | 2020-07-17 | 2020-10-09 | 唐山市会恩科技有限公司 | Rotatory atomising head of membrane type in advance |
| CN112317152A (en) * | 2020-11-10 | 2021-02-05 | 长安大学 | Adjustable cone ring curtain presses down dirt shower nozzle |
| WO2021119811A1 (en) * | 2019-12-20 | 2021-06-24 | 2225615 Alberta Ltd. | Diffuser and method of diffusing |
| CN113230788A (en) * | 2021-04-15 | 2021-08-10 | 西安石油大学 | Fine dust spraying and dust falling system and intelligent atomizing and dust falling method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215579A (en) * | 2016-07-19 | 2016-12-14 | 孟祥雷 | A kind of air cleaner |
| CN106861475A (en) * | 2017-01-22 | 2017-06-20 | 杭州中泰深冷技术股份有限公司 | Novel gas-liquid mixing fluid-filling structure and its method |
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| CN107409958A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | A kind of water medicine integration gas-liquid two-phase atomizer |
| CN107413543A (en) * | 2017-08-24 | 2017-12-01 | 农业部南京农业机械化研究所 | Induction type static nozzle |
| WO2020094053A1 (en) * | 2018-11-08 | 2020-05-14 | 北京北方华创微电子装备有限公司 | Spraying apparatus and cleaning device |
| TWI738108B (en) * | 2018-11-08 | 2021-09-01 | 大陸商北京北方華創微電子裝備有限公司 | Spray device and cleaning equipment |
| US11504727B2 (en) | 2018-11-08 | 2022-11-22 | Beijing Naura Microelectronics Equipment Co., Ltd. | Spray device and cleaning apparatus |
| CN109594511A (en) * | 2018-11-16 | 2019-04-09 | 常州信息职业技术学院 | A kind of blowing device with infrared detection |
| CN110629261A (en) * | 2019-09-23 | 2019-12-31 | 谢云真 | High corrosion resistance zinc-iron alloy electroplater of car connecting rod based on operation is simplified |
| WO2021119811A1 (en) * | 2019-12-20 | 2021-06-24 | 2225615 Alberta Ltd. | Diffuser and method of diffusing |
| CN111358993A (en) * | 2020-03-12 | 2020-07-03 | 安徽麒麟正大饲料有限公司 | Deodorization system for live pig farm |
| CN111742910A (en) * | 2020-07-17 | 2020-10-09 | 唐山市会恩科技有限公司 | Rotatory atomising head of membrane type in advance |
| CN112317152A (en) * | 2020-11-10 | 2021-02-05 | 长安大学 | Adjustable cone ring curtain presses down dirt shower nozzle |
| CN113230788A (en) * | 2021-04-15 | 2021-08-10 | 西安石油大学 | Fine dust spraying and dust falling system and intelligent atomizing and dust falling method thereof |
Also Published As
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|---|---|
| CN104772242B (en) | 2017-07-18 |
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Effective date of registration: 20210207 Address after: 518000 No.6 Qinglong Road, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Pengbo Information Technology Co.,Ltd. Address before: 213022, No. 200, Jinling North Road, Xinbei District, Jiangsu, Changzhou Patentee before: CHANGZHOU CAMPUS OF HOHAI University Effective date of registration: 20210207 Address after: 225000 Dinghuo Industrial Park, Jiangdu District, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU BOTAI METALLURGY EQUIPMENT MANUFACTURE Co.,Ltd. Address before: 518000 No.6 Qinglong Road, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Pengbo Information Technology Co.,Ltd. |