CN111729769B - A high efficiency atomizing nozzle - Google Patents
A high efficiency atomizing nozzle Download PDFInfo
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- CN111729769B CN111729769B CN202010556733.9A CN202010556733A CN111729769B CN 111729769 B CN111729769 B CN 111729769B CN 202010556733 A CN202010556733 A CN 202010556733A CN 111729769 B CN111729769 B CN 111729769B
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- liquid flow
- gas flow
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- flow channel
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- 239000007788 liquid Substances 0.000 claims abstract description 222
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000889 atomisation Methods 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/061—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with several liquid outlets discharging one or several liquids
-
- 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
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
- B05B7/0853—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with one single gas jet and several jets constituted by a liquid or a mixture containing a liquid
-
- 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
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
Landscapes
- Nozzles (AREA)
Abstract
本发明提供了一种高效雾化喷嘴，涉及喷嘴领域。高效雾化喷嘴包括喷嘴本体，喷嘴本体中设置有中心液体流道、多个内层气体流道和多个外层液体流道，多个外层液体流道周向间隔布置在中心液体流道的外侧，多个内层气体流道周向间隔设置在中心液体流道与外层液体流道之间的环形间隔处；外层液体流道的液流方向、内层气体流道的气流方向分别朝靠近中心液体流道的液流轴线倾斜布置，多个外层液体流道的液流方向、多个内层气体流道的气流方向分别相交于中心液体流道的液流轴线上的同一位置。多个外层液体流道排出的液体与中心液体流道排出的液体碰撞形成液滴飞团，液滴飞团在气流的喷射作用下被吹散雾化，从而高效、均匀地形成雾气，雾化效果更好。
The present invention provides a high-efficiency atomizing nozzle, which relates to the field of nozzles. The high-efficiency atomizing nozzle includes a nozzle body, in which a central liquid flow channel, a plurality of inner gas flow channels and a plurality of outer liquid flow channels are arranged, the plurality of outer liquid flow channels are arranged circumferentially at intervals on the outside of the central liquid flow channel, and the plurality of inner gas flow channels are arranged circumferentially at intervals at the annular intervals between the central liquid flow channel and the outer liquid flow channel; the liquid flow direction of the outer liquid flow channel and the air flow direction of the inner gas flow channel are arranged obliquely toward the liquid flow axis close to the central liquid flow channel, respectively, and the liquid flow direction of the plurality of outer liquid flow channels and the air flow direction of the plurality of inner gas flow channels intersect at the same position on the liquid flow axis of the central liquid flow channel. The liquid discharged from the plurality of outer liquid flow channels collides with the liquid discharged from the central liquid flow channel to form droplet clusters, which are blown away and atomized under the jetting action of the airflow, thereby efficiently and evenly forming mist, and achieving a better atomization effect.
Description
Technical Field
The invention relates to the technical field of nozzles, in particular to a high-efficiency atomizing nozzle.
Background
The atomizing nozzle is a nozzle structure for uniformly mixing liquid and gas into fine droplet mist which can be suspended in air, and is widely applied to the scenes of humidifying, cooling, purifying air and the like.
The traditional atomizing nozzle mostly adopts a single gas flow passage and a single liquid flow passage to meet the design, the mixing uniformity of gas flow and liquid flow is poor, the size of mist liquid drops generated by the nozzle is inconsistent, and the problems of large liquid drops and dripping are easy to form. Subsequently, an improved liquid atomizing device has been developed, and a nozzle body is disclosed that includes a first gas ejection portion and a second gas ejection portion for ejecting two gas streams, and a liquid passage portion having a liquid flow passage, a gas-liquid mixing region portion that atomizes the liquid by causing the gas stream ejected from the first gas ejection portion to collide with the gas stream ejected from the second gas ejection portion and the liquid flowing out of the liquid passage portion, and a spray outlet portion for causing the atomized mist of the gas-liquid mixing region portion to spray outward.
The prior improved liquid atomization device is designed with two gas flow passages, the injection directions of the two gas flow passages are crossed and form collision blowing effect on liquid, although the atomization effect on the liquid can be improved, and the liquid drop particles of the mist are more uniform and finer. The flow rate of the liquid flowing out of the liquid passage in the middle determines the atomization efficiency, but if the sectional area of the liquid passage is increased or the flow rate of the liquid is increased under the condition of the requirement of large atomization amount, the requirement of atomizing more liquid cannot be effectively met due to the limitation of the gas jet flow rate, and the problem of large liquid drops and dripping at the outlet is caused.
In summary, the existing atomization device cannot meet the atomization requirement of large-flow liquid and has a poor atomization effect.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a high-efficiency atomizing nozzle, so as to solve the problems that the existing atomizing device cannot meet the atomizing requirement of a large flow of liquid and has poor atomizing effect.
The technical scheme of the high-efficiency atomizing nozzle is as follows:
The high-efficiency atomizing nozzle comprises a nozzle body, wherein a central liquid flow channel, a plurality of inner layer gas flow channels and a plurality of outer layer liquid flow channels are arranged in the nozzle body, the outer layer liquid flow channels are circumferentially arranged at the outer side of the central liquid flow channel at intervals, and the inner layer gas flow channels are circumferentially arranged at annular intervals between the central liquid flow channel and the outer layer liquid flow channels;
The liquid flow directions of the outer layer liquid flow channels and the gas flow directions of the inner layer gas flow channels are respectively arranged in an inclined mode towards the liquid flow axis close to the central liquid flow channel, and the liquid flow directions of the outer layer liquid flow channels and the gas flow directions of the inner layer gas flow channels are respectively intersected at the same position on the liquid flow axis of the central liquid flow channel.
The liquid flow direction of the outer layer liquid flow channels is intersected at the same position on the liquid flow axis of the central liquid flow channel, so that liquid discharged by the outer layer liquid flow channels collides with liquid discharged by the central liquid flow channel, a liquid drop flying mass is formed after the liquid collision, the air flow direction of the inner layer air flow channel and the liquid flow direction of the outer layer liquid flow channel are intersected at the liquid drop flying mass, the air flow sprayed out of the inner layer air flow channel performs blowing-off atomization on the liquid drop flying mass, and due to the small size of liquid particles in the liquid drop flying mass, the liquid particles are easily blown-off and atomized further under the jet effect of the air flow, so that fog can be efficiently and uniformly formed.
Further, the inner-layer gas flow channels and the outer-layer liquid flow channels are arranged in concentric circles with respect to the liquid flow axis of the central liquid flow channel.
Further, the included angle between the airflow direction of the inner-layer gas flow channel and the liquid flow axis of the central liquid flow channel is any angle between 15 degrees and 45 degrees.
Further, the included angle between the liquid flow direction of the outer layer liquid flow channel and the liquid flow axis of the central liquid flow channel is any angle between 45 degrees and 85 degrees.
Furthermore, the inside of nozzle body still is equipped with a plurality of inlayer air cavities, inlayer air cavity intercommunication sets up on the inlayer gas runner, and a plurality of still be equipped with the air inlet channel on the inlayer air cavity respectively, a plurality of the air inlet channel is radial arrangement.
Further, the inner-layer gas flow passage comprises a cylindrical section and a conical outlet section, and the conical outlet section is arranged in a contracted shape along the gas flow direction of the inner-layer gas flow passage.
Furthermore, the nozzle body is also provided with a first wedge-shaped sinking groove corresponding to the conical outlet section of the inner-layer gas flow channel, and the bottom surface of the first wedge-shaped sinking groove is perpendicular to the gas flow direction of the inner-layer gas flow channel.
Further, a second wedge-shaped sinking groove is further formed in the nozzle body at a position corresponding to the liquid outlet of the outer-layer liquid flow channel, and the bottom surface of the second wedge-shaped sinking groove is perpendicular to the liquid flow direction of the outer-layer liquid flow channel.
Further, eight inner-layer gas flow channels are uniformly distributed at intervals in the circumferential direction, and four outer-layer liquid flow channels are uniformly distributed at intervals in the circumferential direction.
Furthermore, the nozzle body is of a hollow cake structure, a central liquid flow pipe and a plurality of outer liquid flow pipes which are obliquely arranged in a penetrating manner in the thickness direction are arranged on the nozzle body in a penetrating manner, liquid inlet connectors positioned on the back side of the nozzle body are respectively arranged on the central liquid flow pipe and the outer liquid flow pipes, and a plurality of air inlet flow channels are arranged on the peripheral wall of the nozzle body in a communicating manner.
Drawings
FIG. 1 is a schematic cross-sectional view of a high efficiency atomizing nozzle in embodiment 1 of the high efficiency atomizing nozzle of the present disclosure;
FIG. 2 is a schematic top view of a high efficiency atomizing nozzle according to embodiment 1 of the present disclosure;
FIG. 3 is a schematic cross-sectional view of the nozzle body at B-B of FIG. 2.
In the figure, the nozzle body is 1-nozzle body, 10-center liquid flow channel, 100-liquid flow axis of center liquid flow channel, 11-inner layer gas flow channel, 110-inner layer gas flow channel, 111-cylindrical section, 112-conical outlet section, 12-outer layer liquid flow channel, 120-outer layer liquid flow channel, 13-inner layer air cavity, 14-air inlet flow channel, 15-second wedge-shaped sink groove, 16-first wedge-shaped sink groove, 2-center liquid flow pipe and 3-outer layer liquid flow pipe.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In a specific embodiment 1 of the high-efficiency atomizing nozzle of the present invention, as shown in fig. 1 to 3, the high-efficiency atomizing nozzle comprises a nozzle body 1, wherein a central liquid flow channel 10, a plurality of inner layer gas flow channels 11 and a plurality of outer layer liquid flow channels 12 are arranged in the nozzle body 1, the plurality of outer layer liquid flow channels 12 are circumferentially arranged at intervals outside the central liquid flow channel 10, the plurality of inner layer gas flow channels 11 are circumferentially arranged at intervals at annular intervals between the central liquid flow channel 10 and the outer layer liquid flow channels 12, the liquid flow directions 120 of the outer layer liquid flow channels and the gas flow directions 110 of the inner layer gas flow channels are respectively arranged obliquely towards a liquid flow axis 100 close to the central liquid flow channel, and the liquid flow directions 120 of the plurality of outer layer liquid flow channels and the gas flow directions 110 of the plurality of inner layer gas flow channels are respectively intersected at the same position on the liquid flow axis 100 of the central liquid flow channel.
The liquid flow directions 120 of the outer layer liquid flow channels are intersected at the same position on the liquid flow axis 100 of the central liquid flow channel, so that liquid discharged by the outer layer liquid flow channels 12 collides with liquid discharged by the central liquid flow channel 10, a liquid drop flying group is formed after the liquid collides, the air flow directions 110 of the inner layer gas flow channels and the liquid flow directions 120 of the outer layer liquid flow channels intersect at the liquid drop flying group, the air flow sprayed by the inner layer gas flow channels 11 performs blowing and atomizing effects on the liquid drop flying group, and due to the small size of liquid particles in the liquid drop flying group, the liquid particles are easily blown and atomized further under the spraying effect of the air flow, so that fog can be efficiently and uniformly formed.
In this embodiment, the inner-layer gas flow channels 11 and the outer-layer liquid flow channels 12 are arranged in concentric circles about the liquid flow axis 100 of the central liquid flow channel, and the concentric circles ensure that the air flow ejected by the inner-layer gas flow channels 11 can precisely blow off and atomize the droplet flying mass formed at the intersection position of the liquid flow direction 120 of the outer-layer liquid flow channels and the liquid flow axis 100 of the central liquid flow channel, thereby improving the concentration of mist and ensuring that the droplet granularity is small enough. The included angle between the gas flow direction 110 of the inner gas flow channel and the liquid flow axis 100 of the central liquid flow channel is any angle between 15 degrees and 45 degrees, and the included angle between the liquid flow direction 120 of the outer liquid flow channel and the liquid flow axis 100 of the central liquid flow channel is any angle between 45 degrees and 85 degrees.
Specifically, the included angle between the gas flow direction 110 of the inner gas flow channel and the liquid flow axis 100 of the central liquid flow channel is 25 °, and the included angle between the liquid flow direction 120 of the outer liquid flow channel and the liquid flow axis 100 of the central liquid flow channel is 45 °. The liquid flow sprayed by the outer layer liquid flow channel 12 has a part of branch power in the direction perpendicular to the liquid flow axis 100 of the central liquid flow channel, and the branch power is used for impacting and scattering the liquid flow sprayed by other outer layer liquid flow channels 12 and the liquid flow sprayed by the central liquid flow channel 10, so that the liquid drop flying mass is ensured to be formed on the liquid flow axis 100 of the central liquid flow channel, and the air flow sprayed by the inner layer gas flow channel 11 has a remarkable blowing and atomizing effect on the liquid drop flying mass.
The inside of the nozzle body 1 is further provided with an inner air cavity 13, the inner air cavities 13 are communicated with the inner air flow channels 11, the inner air cavities 13 are respectively provided with an air inlet channel 14, and the air inlet channels 14 are arranged in a radial mode. The inner layer air cavity 13 serves as a buffer space for gas, plays a role in gathering and buffering the entered gas, eliminates turbulence and disturbance flow in the gas, and then is sprayed outwards from the inner layer gas flow channel 11, so that the flow performance of the sprayed gas flow is more stable.
The inner-layer gas flow passage 11 includes a cylindrical section 111 and a tapered outlet section 112, and the tapered outlet section 112 is provided in a contracted shape along the gas flow direction 110 of the inner-layer gas flow passage. The outlet structure design of the conical outlet section 112 is beneficial to collecting and pressurizing the jet air flow, increases the jet pressure and power of the air flow, improves the blowing-off and atomizing effects on the droplet flying mass, and ensures that the air can be jetted outwards at high speed due to the fact that the conical degree of the conical outlet section 112 is 30 degrees, and the smaller air flow resistance value is achieved.
The nozzle body 1 is also provided with a first wedge-shaped sinking groove 16 corresponding to the conical outlet section 112 of the inner-layer gas flow channel 11, and the bottom surface of the first wedge-shaped sinking groove 16 is perpendicular to the gas flow direction 110 of the inner-layer gas flow channel. Specifically, the first wedge-shaped sinking groove 16 is an annular groove body, the bottom surface of the first wedge-shaped sinking groove 16 is perpendicular to the air flow sprayed out of the inner-layer air flow channel 11, the fact that no other structural interference influence exists at the outlet position of the inner-layer air flow channel 11, the fact that air can be accurately sprayed and moved according to the air flow direction is guaranteed, correspondingly, the second wedge-shaped sinking groove 15 is also arranged at the liquid outlet position of the outer-layer liquid flow channel 12, the second wedge-shaped sinking groove 15 is also an annular groove body, and the bottom surface of the second wedge-shaped sinking groove 15 is perpendicular to the liquid flow direction 120 of the outer-layer liquid flow channel, and the fact that liquid can be accurately sprayed and moved outwards is guaranteed.
In this embodiment, eight inner-layer gas flow channels 11 are uniformly distributed at intervals in the circumferential direction, and four outer-layer liquid flow channels 12 are uniformly distributed at intervals in the circumferential direction. The four outer-layer liquid flow passages 12 and the central liquid flow passage 10 are arranged to form a fluid passage with larger sectional area, so that the structural requirement of large-flow liquid is met, and the eight inner-layer gas flow passages 11 are arranged to improve the air flow of the whole high-efficiency atomizing nozzle in unit time and ensure the atomizing effect on droplet flyballs.
In addition, the nozzle body 1 is of a hollow cake structure, a central liquid flow pipe 2 is arranged on the nozzle body 1 in a penetrating manner along the thickness direction, and a plurality of outer liquid flow pipes 3 which are arranged in a penetrating manner obliquely to the thickness direction, wherein the central liquid flow pipe 2 and the outer liquid flow pipes 3 are respectively provided with a liquid inlet joint positioned on the back side of the nozzle body 1. The central liquid flow pipe 2 and the outer liquid flow pipe 3 are respectively communicated with a liquid flow pipeline through a liquid inlet interface, and eight air inlet flow passages 14 are communicated and arranged on the peripheral wall of the nozzle body 1, and it is noted that the air inlet flow passages 14 of the inner layer gas flow passages 11 are arranged at positions between two adjacent outer layer liquid flow passages 12.
In order to meet different use requirements, in other specific embodiments of the high-efficiency atomizing nozzle, nine inner-layer gas flow channels are uniformly distributed at intervals in the circumferential direction, three outer-layer liquid flow channels are uniformly distributed at intervals in the circumferential direction, and the nine inner-layer gas flow channels and the three outer-layer liquid flow channels are symmetrically distributed in the center with respect to the liquid flow axis of the central liquid flow channel. In addition, the included angle between the air flow direction of the inner-layer air flow channel and the liquid flow axis of the central liquid flow channel is 30 degrees or 45 degrees, or the included angle between the air flow direction of the outer-layer air flow channel and the liquid flow axis of the central liquid flow channel is 60 degrees or 75 degrees, the air flow sprayed by the inner-layer air flow channel can play a remarkable role in blowing, scattering and atomizing the liquid drop flying mass, and the purpose of higher atomizing efficiency is achieved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. The high-efficiency atomizing nozzle is characterized by comprising a nozzle body, wherein a central liquid flow passage, a plurality of inner layer gas flow passages and a plurality of outer layer liquid flow passages are arranged in the nozzle body, the outer layer liquid flow passages are circumferentially arranged at the outer sides of the central liquid flow passages at intervals, and the inner layer gas flow passages are circumferentially arranged at annular intervals between the central liquid flow passages and the outer layer liquid flow passages;
The liquid flow directions of the outer layer liquid flow channels and the gas flow directions of the inner layer gas flow channels are respectively arranged in an inclined mode towards the liquid flow axis close to the central liquid flow channel, and the liquid flow directions of the outer layer liquid flow channels and the gas flow directions of the inner layer gas flow channels are respectively intersected at the same position on the liquid flow axis of the central liquid flow channel;
the inner-layer gas flow channels and the outer-layer liquid flow channels are arranged in concentric circles relative to the liquid flow axis of the central liquid flow channel;
The included angle between the airflow direction of the inner-layer gas flow channel and the liquid flow axis of the central liquid flow channel is any angle between 15 degrees and 45 degrees;
The included angle between the liquid flow direction of the outer layer liquid flow channel and the liquid flow axis of the central liquid flow channel is any angle between 45 degrees and 85 degrees.
2. The efficient atomizing nozzle of claim 1, wherein a plurality of inner air cavities are further arranged in the nozzle body, the inner air cavities are communicated with the inner air flow channels, air inlet flow channels are further arranged on the inner air cavities respectively, and the air inlet flow channels are arranged in a radial mode.
3. A high efficiency atomizing nozzle as set forth in claim 1, wherein said inner gas flow passage includes a cylindrical section and a tapered outlet section, said tapered outlet section being disposed in a converging configuration along a gas flow direction of said inner gas flow passage.
4. The efficient atomizing nozzle as set forth in claim 3, wherein said nozzle body is further provided with a first wedge-shaped countersink at a position corresponding to the tapered outlet section of said inner-layer gas flow passage, and a bottom surface of said first wedge-shaped countersink is perpendicular to a gas flow direction of said inner-layer gas flow passage.
5. The efficient atomizing nozzle as set forth in claim 1, wherein a second wedge-shaped sink is further provided at a position of said nozzle body corresponding to a liquid outlet of said outer liquid flow channel, and a bottom surface of said second wedge-shaped sink is perpendicular to a liquid flow direction of said outer liquid flow channel.
6. The efficient atomizing nozzle of claim 1, wherein eight inner-layer gas flow channels are uniformly distributed at circumferential intervals, and four outer-layer liquid flow channels are uniformly distributed at circumferential intervals.
7. The efficient atomizing nozzle according to claim 2, wherein the nozzle body is of a hollow cake structure, a central liquid flow pipe and a plurality of outer liquid flow pipes which are obliquely arranged in a penetrating manner in the thickness direction are arranged on the nozzle body in a penetrating manner, liquid inlet connectors on the back side of the nozzle body are respectively arranged on the central liquid flow pipe and the outer liquid flow pipes, and a plurality of air inlet flow channels are arranged on the peripheral wall of the nozzle body in a communicating manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556733.9A CN111729769B (en) | 2020-06-17 | 2020-06-17 | A high efficiency atomizing nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556733.9A CN111729769B (en) | 2020-06-17 | 2020-06-17 | A high efficiency atomizing nozzle |
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| CN111729769A CN111729769A (en) | 2020-10-02 |
| CN111729769B true CN111729769B (en) | 2024-12-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112619402A (en) * | 2020-11-09 | 2021-04-09 | 光大环境科技（中国）有限公司 | Mixed SNCR deNOx systems of reinforcing |
| CN112495105A (en) * | 2020-11-12 | 2021-03-16 | 姹や寒 | Dust removal method for grinding machine machining |
| CN112516722A (en) * | 2020-11-12 | 2021-03-19 | 姹や寒 | Particulate matter processing apparatus of grinding machine processing |
| CN112792036B (en) * | 2020-12-31 | 2022-12-20 | 至微半导体(上海)有限公司 | System and method for recycling wafer cleaning solution in semiconductor wet process |
| CN113207858A (en) * | 2021-06-15 | 2021-08-06 | 贵州省烟草科学研究院 | Double-spraying intersection type sprayer |
| CN115518582A (en) * | 2021-06-24 | 2022-12-27 | 泓辰材料股份有限公司 | Fluid diverter for an atomizing device |
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| CN212263608U (en) * | 2020-06-17 | 2021-01-01 | 广州大学 | A high-efficiency atomizing nozzle |
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