CN112155001A - Grid atomizing device - Google Patents

Grid atomizing device Download PDF

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Publication number
CN112155001A
CN112155001A CN202011158366.3A CN202011158366A CN112155001A CN 112155001 A CN112155001 A CN 112155001A CN 202011158366 A CN202011158366 A CN 202011158366A CN 112155001 A CN112155001 A CN 112155001A
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CN
China
Prior art keywords
grid
supporting rod
mesh
liquid drops
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011158366.3A
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Chinese (zh)
Inventor
薛秀云
杨振宇
李震
宋淑然
孙道宗
李能超
艾鑫
许旭锋
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South China Agricultural University
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South China Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South China Agricultural University filed Critical South China Agricultural University
Priority to CN202011158366.3A priority Critical patent/CN112155001A/en
Publication of CN112155001A publication Critical patent/CN112155001A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • A01G13/02Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0206Canopies, i.e. devices providing a roof above the plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0003Atomisers or mist blowers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0003Atomisers or mist blowers
    • A01M7/0014Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/16Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a grid atomization device, which comprises: the device comprises a grid, a telescopic supporting rod, a pesticide spraying device, a liquid collecting pipeline and a grid rolling device; the grid is arranged on the tops of the at least two telescopic supporting rods; one telescopic supporting rod is a first supporting rod, the grid winding device is mounted on the first supporting rod, and the grid winding device is used for winding and unwinding the grid; the other telescopic supporting rod is a second supporting rod, the liquid collecting pipeline is arranged on the second supporting rod, and the liquid collecting pipeline is communicated with the edges of the grids; when in use, the height of the second supporting rod is lower than that of the first supporting rod; the spraying device is used for spraying liquid drops to the grids, and the liquid drops impact the grids and then are atomized into sub-fog liquid drops with smaller particle sizes; the drift generated by the broken sub-fog droplets is reduced to the maximum extent, and the sub-fog droplets can be effectively attached to plants, promote the deposition of pesticides on target plants and fully play the role of the pesticides.

Description

Grid atomizing device
Technical Field
The invention relates to the field of atomization technology of liquid drops and plant protection in agriculture, in particular to a grid atomization device.
Background
China is a big agricultural country, crops are various in variety, and the planting area is large, so that effective measures are taken to prevent and treat various crop diseases and insect pests, and the method is not only a problem of maintaining and improving the value of agricultural products, but also a strategic problem related to agricultural safety production in China.
The current agricultural pesticide spraying equipment is used for pursuing higher deposition effect of fog drops on plants, the grain size of the spray is usually less than 500 mu m, but the spray is easily influenced by wind power, the problem of pesticide drift exists, and the loss of pesticides and the environmental pollution are easily caused.
In addition, rainfall is an important reason for causing the spread of plant diseases and insect pests, raindrops with the diameter of 1-2 mm collide on the blades to splash, pathogens are caused to spread to other plants along with rainwater, and the pathogens are spread.
When hailstones come, branches, leaves, stems and fruits of crops can be injured by the hailstones, and the yield can be reduced due to leaf damage, stalk folding and threshing.
In the prior art, in order to overcome the above difficulties, multiple sets of equipment are often needed, the installation and use costs are high, and the above difficulties are difficult to overcome simultaneously by using only one set of equipment, which becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides a mesh atomizing device that solves at least some of the above technical problems.
A mesh atomizing device comprising: the device comprises a grid, a telescopic supporting rod, a pesticide spraying device, a liquid collecting pipeline and a grid rolling device;
the grid is arranged on the tops of at least two telescopic supporting rods; one telescopic supporting rod is a first supporting rod, the grid winding device is mounted on the first supporting rod, and the grid winding device is used for winding and unwinding the grid; the other telescopic supporting rod is a second supporting rod, the liquid collecting pipeline is arranged on the second supporting rod, and the liquid collecting pipeline is communicated with the edges of the grids; when in use, the height of the second supporting rod is lower than that of the first supporting rod;
the spraying device is used for spraying liquid drops to the grids, and the liquid drops impact the grids and then are atomized into sub-fog liquid drops with smaller particle sizes.
Furthermore, the meshes are made of flexible stainless steel, the optional mesh number is 30-150 meshes, the aperture of each mesh is 200-800 mu m, and the thickness of each mesh is smaller than 1 mm.
Further, the ratio of the area of the openings in the mesh to the total area of the mesh is greater than 20%.
Furthermore, the telescopic supporting rod is an air pressure lifting rod, a hydraulic lifting rod or a thread lifting rod.
Further, the liquid collecting pipeline adopts PPR tubular product, and pipeline diameter is 5 ~ 10 cm.
Further, when the pesticide spraying device is a plant protection unmanned aerial vehicle, the included angle between the grid and the horizontal direction is 20-45 degrees;
the plant protection unmanned aerial vehicle sprays millimeter-level liquid drops to the grids from high altitude, and the liquid drops are crushed into sub-millimeter-level liquid drops after impacting the grids.
Further, when the pesticide spraying device is a wind-assisted sprayer, the included angle between the grid and the horizontal direction is 45-90 degrees;
the air-assisted sprayer sprays millimeter-grade liquid drops to the grids, and the liquid drops impact the grids and are crushed into sub-millimeter-grade liquid drops.
Compared with the prior art, the grid atomization device provided by the embodiment of the invention has the beneficial effects that:
1. through setting up scalable bracing piece, can the distance of dynamic adjustment net and net below plant, when the adjustment net is nearer apart from the plant, the produced drift of broken droplet will be by furthest's reduction, and the droplet can effectively be attached to on the plant, promotes the deposit of pesticide on the target plant, the effect of full play pesticide.
2. The liquid collecting pipeline can collect redundant liquid drops which cannot pass through the grids, and waste of pesticides and pollution to the environment are reduced.
3. When raining, the grid can also reduce the particle size of rainwater, reduce splashing that the rainwater produced on falling to the plant to it splashes to reduce the rainwater and carry the pathogen to other plants, consequently has prevented the propagation of disease.
4. When the hailstones come, the grids can effectively block the hailstones, and the hailstones are prevented from damaging plants.
5. Can pack up or expand the net through the net coiling mechanism as required, it is more convenient to use.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a mesh atomizing device provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another mesh atomizing device provided in the embodiment of the present invention;
fig. 3 is a schematic diagram of a grid structure according to an embodiment of the present invention.
In the drawings: 1-grid; 2-a telescopic support bar; 3-plant protection unmanned aerial vehicle; 4-a liquid collection conduit; 5-supporting rod height adjusting button; 6-a grid rolling device; 7-air-assisted sprayer.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1-2, an embodiment of the present invention provides a mesh atomizing device, including: the device comprises a grid 1, a telescopic supporting rod 2, a pesticide spraying device, a liquid collecting pipeline 4 and a grid rolling device 6; wherein, should spout the medicine device and be plant protection unmanned aerial vehicle 3 or air-assisted sprayer 7.
Grid 1 installs the top at two at least scalable bracing pieces, can prefer 4 scalable bracing pieces, is located the four angles departments of grid 1 bottom surface respectively, plays the supporting role. Two telescopic supporting rods on one side keep the same lifting height and serve as first supporting rods, and a grid rolling device 6 is arranged above the two telescopic supporting rods and can be used for unfolding or folding the grid 1. The two telescopic supporting rods on the other side are also kept consistent in lifting height and serve as second supporting rods, and a liquid collecting pipeline 4 is arranged above the second supporting rods and used for communicating the edges of the grids 1. When the spraying device is used, the spraying device is used for spraying liquid drops to the grid 1, the liquid drops are atomized into sub-fog liquid drops with smaller particle sizes after impacting the grid 1, the height of the second supporting rod is lower than that of the first supporting rod, the grid 1 is inclined at a certain angle, the liquid collecting pipeline 4 can collect the liquid drops which cannot pass through the grid 1 conveniently, and the waste of pesticides and the pollution to the environment are reduced.
Further, referring to fig. 3, the mesh 1 is made of a flexible stainless steel material, the mesh number is 30-150 meshes, the mesh aperture is about 200-800 μm, the thickness of the mesh is less than 1mm, the aperture corresponding to the higher mesh number is smaller, and the particle size of sub-droplets generated by atomization when liquid drops impact the mesh is smaller. The ratio of the area of the openings in the mesh 1 to the total area of the mesh is greater than 20%.
This flexible bracing piece 2 adopts stainless steel, can be used to support the net, adjusts the contained angle of net and horizontal direction to can also adjust the distance of net and plant, furthest's reduction droplet drifts. The telescopic supporting rod 2 can be a pneumatic lifting rod, a hydraulic lifting rod or a threaded lifting rod; the corresponding equipment can be selected according to the specific use environment or economic cost. For example, the pneumatic lifting rod comprises a pneumatic cylinder, a piston rod and an air compressor; wherein the air compressor is connected with the pneumatic cylinder in an airtight way, and the piston rod is connected with the pneumatic cylinder in a sliding way; the piston rod is lifted and lowered under the change of the air pressure; for example, the lifting switch may be a supporting rod height adjusting button 5 as shown in the figure, and the adjustment of the included angle between the grid and the horizontal plane and the adjustment of the distance between the grid and the plant below are realized by operating the supporting rod height adjusting button 5.
The liquid collecting pipeline 4 is a PPR pipe (random copolymerization polypropylene pipe), and the diameter of the pipeline is 5-10 cm, and the liquid collecting pipeline is used for collecting liquid which does not penetrate through the grid 1 after impacting the grid 1 and falls down along the grid 1; the waste of pesticide and the pollution to the environment are reduced.
Further, the grid rolling device 6 can roll up or roll out the grid according to the needs, and comprises a driving part and a roller, wherein one end of the grid is wound and fixed on the roller, and the grid can be rolled up and rolled out under the driving of the driving part; when the telescopic rod is implemented, a grid limiting bracket is arranged at the top of the telescopic rod, and two side edges of the grid are limited in the grid limiting bracket, namely: the contraction and expansion can only be realized in the limit bracket.
Meanwhile, in order to avoid the central line of the grid deviating from the central line of the roller in the rolling-up process, limiting columns can be arranged on two sides of the roller. The grid rolling device 6 is not limited by the embodiment of the disclosure, and rolling and unfolding of the grid can be realized by other structures.
In the embodiment, the atomization technical principle of the liquid drop impact grid atomization device is that after the liquid drops impact the grid, the liquid drops penetrate through the mesh to form jet flow, and then the jet flow is pinched off into small fog drops and forms a conical spray area due to the Rayleigh-Plateau instability principle. Under other conditions, the particle size of the sub-fog drops is reduced along with the increase of the speed of the mother liquid drops and the reduction of the diameter of the mother liquid drops, and the speed of the sub-fog drops is increased along with the increase of the speed of the mother liquid drops and the increase of the diameter of the mother liquid drops. The drift generated by the broken droplets is reduced to the maximum extent, and the droplets can be effectively attached to plants, so that the deposition of pesticides on target plants is promoted, and the effect of the pesticides is fully exerted.
Example 1:
as shown in fig. 1, when using plant protection unmanned aerial vehicle spraying, net 1 is placed directly over the plant, and 20 ~ 45 are personally submitted with the level to the net, and plant protection unmanned aerial vehicle 3 produces millimeter level liquid drop, with liquid blowout, can reduce the influence of wind-force to the liquid drop. The liquid drops impact on the grid and can generate submillimeter-level fog drops, and the submillimeter-level fog drops generated after the liquid drops pass through the grid can form a fog cone angle, so that the spraying area of the fog drops is enlarged. And part of the liquid drops which do not pass through the grid roll down to one side along the grid and are collected by a liquid collecting pipeline 4.
Example 2:
as shown in fig. 2, when the air-assisted sprayer 7 is used, the grid 1 is placed right above the plant and forms 45-90 degrees with the horizontal plane, the air-assisted sprayer 7 generates millimeter-scale liquid drops, and the liquid drops are sprayed out, so that the influence of wind power on the liquid drops can be reduced. The liquid drops impact on the grid and can generate submillimeter-level fog drops, and the submillimeter-level fog drops generated after the liquid drops pass through the grid can form a fog cone angle, so that the spraying area of the fog drops is enlarged. And part of the liquid drops which do not pass through the grid roll down to one side along the grid and are collected by a liquid collecting pipeline 4.
The grid atomization device provided by the invention can effectively reduce the drift effect of fog drops, improve the utilization rate of pesticides and reduce the pollution of the pesticides to the environment. The propagation of pathogens caused by rainfall can be reduced, and the plants can be prevented from being damaged by natural disasters such as hail.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A mesh atomizing device, comprising: the device comprises a grid (1), a telescopic supporting rod (2), a pesticide spraying device, a liquid collecting pipeline (4) and a grid rolling device (6);
the grid (1) is arranged on the tops of at least two telescopic supporting rods (2); one telescopic supporting rod (2) is a first supporting rod, the grid rolling device (6) is installed on the first supporting rod, and the grid rolling device (6) is used for rolling and releasing the grid (1); the other telescopic supporting rod (2) is a second supporting rod, the liquid collecting pipeline (4) is arranged on the second supporting rod, and the liquid collecting pipeline (4) is communicated with the edge of the grid (1); when in use, the height of the second supporting rod is lower than that of the first supporting rod;
the spraying device is used for spraying liquid drops to the grid (1), and the liquid drops impact the grid (1) and then are atomized into sub-fog liquid drops with smaller particle sizes.
2. The mesh atomizing device according to claim 1, wherein the mesh (1) is made of a coilable stainless steel material, the mesh is selected to be 30-150 meshes, the pore diameter of the mesh (1) is 200-800 μm, and the thickness of the mesh (1) is less than 1 mm.
3. A mesh atomizing device in accordance with claim 2, characterized in that the ratio of the area of the openings in said mesh (1) to the total area of the mesh is greater than 20%.
4. A mesh atomizing device in accordance with claim 1, characterized in that said telescopic support rod (2) is a pneumatic, hydraulic or screw rod.
5. The mesh atomizing device according to claim 1, wherein the liquid collecting pipe (4) is a PPR pipe, and the diameter of the pipe is 5-10 cm.
6. The mesh atomizing device according to claim 1, wherein when the pesticide spraying device is a plant protection unmanned aerial vehicle (3), an included angle between the mesh (1) and the horizontal direction is 20-45 degrees;
the plant protection unmanned aerial vehicle (3) sprays millimeter-level liquid drops to the grid (1) from the high altitude, and the liquid drops are broken into sub-millimeter-level liquid drops after impacting the grid (1).
7. The mesh atomizing device according to claim 1, wherein when the spraying device is an air-assisted spraying machine (7), an included angle between the mesh (1) and the horizontal direction is 45-90 degrees;
the air-assisted sprayer (7) sprays millimeter-grade liquid drops to the grid (1), and the liquid drops impact the grid (1) and then are crushed into sub-millimeter-grade liquid drops.
CN202011158366.3A 2020-10-26 2020-10-26 Grid atomizing device Pending CN112155001A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114226089A (en) * 2021-12-13 2022-03-25 华南农业大学 Profiling grid induction type electrostatic nozzle device and spraying device

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Publication number Priority date Publication date Assignee Title
JP2000257219A (en) * 1999-03-05 2000-09-19 Yamamoto Co Ltd Snow melting water sprinkling device in greenhouse
CN205756165U (en) * 2016-05-30 2016-12-07 玉溪市农业科学院 Overhead micro-spray device for outdoor plantation Fructus actinidiae chinensis
CN107853027A (en) * 2017-11-29 2018-03-30 无锡市鹅湖玫瑰园艺文化有限公司 A kind of flower planting greenhouse with irrigation function
US20180160632A1 (en) * 2013-12-16 2018-06-14 Maurice Kassenbouw B.V. Greenhouse and method for climate control in a greenhouse
CN208029724U (en) * 2018-04-11 2018-11-02 中宁县智才技术服务有限公司 Wine-growing device
CN208624221U (en) * 2018-06-30 2019-03-22 贺州迅凯农作物病虫害防治专业合作社 A kind of adjustable vegetable cultivation culture greenhouse
CN110651646A (en) * 2019-11-19 2020-01-07 杭州兔研工业设计有限公司 Big-arch shelter is planted to traditional chinese medicine
CN110771487A (en) * 2019-09-24 2020-02-11 浙江农林大学 Atomization generating device for atomization cultivation and atomization cultivation method
US20200078803A1 (en) * 2018-08-30 2020-03-12 Massachusetts Institute Of Technology Meshes capable of droplet fragmentation, and related systems and uses thereof
CN210310892U (en) * 2019-06-04 2020-04-14 深圳市飞盒科技有限公司 Centrifugal medicine atomizing sprinkler for fixed wing unmanned aerial vehicle
CN211721266U (en) * 2020-01-15 2020-10-23 张文玲 Spray set for farming big-arch shelter
CN213604001U (en) * 2020-10-26 2021-07-06 华南农业大学 Grid atomizing device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000257219A (en) * 1999-03-05 2000-09-19 Yamamoto Co Ltd Snow melting water sprinkling device in greenhouse
US20180160632A1 (en) * 2013-12-16 2018-06-14 Maurice Kassenbouw B.V. Greenhouse and method for climate control in a greenhouse
CN205756165U (en) * 2016-05-30 2016-12-07 玉溪市农业科学院 Overhead micro-spray device for outdoor plantation Fructus actinidiae chinensis
CN107853027A (en) * 2017-11-29 2018-03-30 无锡市鹅湖玫瑰园艺文化有限公司 A kind of flower planting greenhouse with irrigation function
CN208029724U (en) * 2018-04-11 2018-11-02 中宁县智才技术服务有限公司 Wine-growing device
CN208624221U (en) * 2018-06-30 2019-03-22 贺州迅凯农作物病虫害防治专业合作社 A kind of adjustable vegetable cultivation culture greenhouse
US20200078803A1 (en) * 2018-08-30 2020-03-12 Massachusetts Institute Of Technology Meshes capable of droplet fragmentation, and related systems and uses thereof
CN210310892U (en) * 2019-06-04 2020-04-14 深圳市飞盒科技有限公司 Centrifugal medicine atomizing sprinkler for fixed wing unmanned aerial vehicle
CN110771487A (en) * 2019-09-24 2020-02-11 浙江农林大学 Atomization generating device for atomization cultivation and atomization cultivation method
CN110651646A (en) * 2019-11-19 2020-01-07 杭州兔研工业设计有限公司 Big-arch shelter is planted to traditional chinese medicine
CN211721266U (en) * 2020-01-15 2020-10-23 张文玲 Spray set for farming big-arch shelter
CN213604001U (en) * 2020-10-26 2021-07-06 华南农业大学 Grid atomizing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114226089A (en) * 2021-12-13 2022-03-25 华南农业大学 Profiling grid induction type electrostatic nozzle device and spraying device

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