CN112387437B - Antidrip ultramicro lotus electric spray device - Google Patents
Antidrip ultramicro lotus electric spray device Download PDFInfo
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- CN112387437B CN112387437B CN202011090800.9A CN202011090800A CN112387437B CN 112387437 B CN112387437 B CN 112387437B CN 202011090800 A CN202011090800 A CN 202011090800A CN 112387437 B CN112387437 B CN 112387437B
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- torpedo
- circular plate
- plate electrode
- guide body
- electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/053—Arrangements for supplying power, e.g. charging power
- B05B5/0533—Electrodes specially adapted therefor; Arrangements of electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
- B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses an anti-leakage ultramicro charged spraying device which comprises a cylindrical air channel, wherein an axial flow fan, a torpedo-shaped flow guide body and an electrostatic spraying unit are sequentially arranged in the cylindrical air channel along the air flowing direction; the electrostatic spraying unit comprises a solid cone nozzle, a water delivery pipe and an arc circular plate electrode; the water delivery pipe penetrates through the interior of the torpedo-shaped flow guide body along the axis, the water outlet end of the water delivery pipe is connected with the solid cone nozzle, and the solid cone nozzle is grounded; the arc circular plate electrode is fixedly connected to the tail part of the torpedo-shaped flow guide body, the arc circular plate electrode is connected with the negative high-voltage electrostatic generator, and a plurality of air holes are uniformly distributed on the arc circular plate electrode along the circumferential direction; the surface of the torpedo-shaped flow guide body is provided with a spiral guide vane; the invention drives the rotation of the electrode through the axial flow wind, realizes the synergistic effect of the charged atomization and the rotary cup atomization, effectively solves the problems of electrode effusion and liquid medicine dripping leakage, and improves the charged stability of the atomizer.
Description
Technical Field
The invention belongs to the technical field of charged spraying, and particularly relates to an anti-drip ultra-micro charged spraying device.
Background
The induction charged spraying technology is a method for controlling the movement of fog drops by utilizing the electrostatic action so as to improve the spraying characteristic, and is widely applied to the fields of electrostatic spraying, film preparation, spray forming, electrostatic trapping, pesticide spraying, epidemic prevention and the like. In the method, the charge polarity of the fog drops is opposite to the polarity of the electrodes, and the micro fog drops with smaller kinetic energy can be sprayed along the direction of electric field lines under the action of electric field force to cause the phenomenon of reverse entrainment. Under the limit of the power and the volume of a fan, the conventional axial flow air conveying technology cannot completely solve the problem caused by reverse entrainment of charged fog drops. For example, charged droplets are sucked and deposited towards an electrode, and corona discharge occurs at a liquid accumulation part under a high-voltage electric field, so that electrostatic spraying current is reduced, the particle size of the droplets, the spraying distance and the like are influenced, and the electrostatic atomization efficiency is reduced; secondly, the phenomenon of entrainment of the fogdrops leads to the formation of accumulated liquid on the outer wall of the air duct by the refluxed fogdrops, thus causing the leakage and waste of the liquid medicine.
Therefore, it is necessary to design an anti-dripping ultra-micro charged spraying device which solves the problems of liquid medicine dripping and spraying efficiency reduction caused by charged mist dripping entrainment.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the anti-leakage ultramicro charged spraying device, the high-voltage electrode adopts an arc circular plate electrode, the electrode is driven to rotate by axial flow wind, the synergistic effect of charged atomization and rotary cup atomization is realized, the problems of electrode liquid loading and liquid medicine dripping are effectively solved, the charged stability of the sprayer is improved, the liquid medicine waste is reduced, the spraying efficiency is improved, and the requirements of different occasions such as sanitary epidemic prevention, agricultural plant protection, cooling and dust removal are met, so that the technical problem of the induction charged spraying technology in practical application is overcome.
The technical scheme adopted by the invention is as follows:
an anti-leakage ultramicro charged spraying device comprises a cylindrical air channel, wherein an axial flow fan, a torpedo-shaped flow guide body and an electrostatic spraying unit are sequentially arranged in the cylindrical air channel along the air flowing direction; the electrostatic spraying unit comprises a solid cone nozzle, a water delivery pipe and an arc circular plate electrode; the water delivery pipe penetrates through the interior of the torpedo-shaped flow guide body along the axis, the water outlet end of the water delivery pipe is connected with the solid cone nozzle, and the solid cone nozzle is grounded; the arc circular plate electrode is fixedly connected to the tail part of the torpedo-shaped flow guide body, the arc circular plate electrode is connected with the negative high-voltage electrostatic generator, and a plurality of air holes are uniformly distributed on the arc circular plate electrode along the circumferential direction; the surface of the torpedo-shaped flow guide body is provided with a spiral guide vane.
Furthermore, the head of the torpedo-shaped flow deflector is a cone with the diameter gradually increased, the transition section of the torpedo-shaped flow deflector is a cone with the diameter gradually decreased, the tail of the torpedo-shaped flow deflector is a cylindrical pipe, the cone of the head, the cone of the transition section and the tail are in smooth surface transition of the cylindrical pipe, and the torpedo-shaped flow deflector is used for improving the air outlet speed and uniformity.
Further, an insulating fixed bearing is sleeved at the tail part of the torpedo-shaped flow guide body, and the outer part of the insulating fixed bearing is fixedly connected with the inner part of the cylindrical air duct through an insulating bracket; on one hand, the torpedo-shaped flow guide body is fixedly arranged in the cylindrical air channel by using the fixed bearing, and on the other hand, the insulating fixed bearing does not influence the rotating process of the torpedo-shaped flow guide body caused by axial flow wind.
Further, the spiral guide vane, the torpedo-shaped flow guide body, the water delivery pipe, the quick joint, the insulating support and the insulating fixed bearing are all made of wear-resistant insulating materials, and the inside of the torpedo-shaped flow guide body is of a hollow structure.
Further, 8 wind holes of evenly distributed on the arc plectane electrode set up the wind hole on the arc plectane electrode, strengthen the rotatory effect of arc plectane electrode, the cup atomization effect is revolved in the reinforcing, promotes whole atomization efficiency to prevent that excessive hydrops from adsorbing the arc plectane reaches on the cylindrical wind channel, effectively solve the problem that the charged atomization efficiency that the droplet entrainment backward flow caused descends and the liquid medicine drips and leaks.
Furthermore, the solid cone nozzle adopts a solid cone nozzle, which is beneficial to realizing the ultra-micro electrostatic spraying process of the liquid medicine and saving the using amount.
Furthermore, a current collector and an expansion opening are respectively arranged at the inlet end and the outlet end of the cylindrical air duct; along the gas flowing direction, the current collector is a reducing pipe and is used for increasing the air inlet volume of the axial flow fan. Along the gas flow direction, the expansion opening is a gradually expanding pipe and is used for enlarging the action range of the gas flow.
The invention has the beneficial effects that:
1. according to the invention, through the structural design of the arc-shaped spiral guide vane, the torpedo-shaped flow guide body and the arc-shaped circular plate electrode, the rotating effect of the arc-shaped circular plate electrode is enhanced, the synergistic effect of electrostatic atomization and rotary cup atomization is realized, accumulated liquid formed by excessive entrainment backflow fine fogdrops is prevented from being adsorbed on the arc-shaped circular plate electrode and the cylindrical air duct, and the problems of charge atomization efficiency reduction and liquid medicine leakage caused by fogdrops entrainment backflow are solved.
2. The rotary cup atomization effect formed by the rotation of the arc circular plate electrode can reinforce the charged atomization process, improve the liquid medicine atomization effect, assist in providing forward conveying power for the fog droplet group, improve the spraying distance and keep the arc circular plate electrode dry.
3. The solid cone nozzle can realize the charged spraying process of ultra-micro liquid medicine and reduce the waste of the liquid medicine.
4. The expansion port can enlarge the action range of airflow; the current collector can improve the air inlet volume of the axial flow fan.
5. The spiral guide vane and torpedo-shaped flow guide body structure design can effectively improve the air outlet speed and uniformity of the cylindrical air duct, and is beneficial to improving the spraying distance.
6. The device has simple structure, and can realize the anti-drip and ultra-micro charged spraying process only by simply modifying the air duct and the electrode of the existing charged atomizing equipment.
Drawings
FIG. 1 is a schematic view of the structure of the anti-dripping ultra-micro charged spraying device of the present invention.
FIG. 2 is a right side view of an arc-shaped circular plate electrode in the anti-dripping ultra-micro charged spraying device of the present invention.
Fig. 3 is a partial view from a-a in fig. 1.
In the figure, the device comprises a current collector 1, a cylindrical air duct 2, a cylindrical air duct 3, an axial flow fan 4, a spiral guide vane 5, a torpedo-shaped flow guide body 6, a quick joint 7, an insulating support 8, an insulating fixed bearing 9, an expansion opening 10, an arc circular plate electrode 1001, an air hole 11, a solid cone nozzle 12, a negative high-voltage electrostatic generator 13, a rubber shaft sleeve 14, a water conveying pipe 15 and a diaphragm pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows an embodiment of the antidrip ultramicro charged spraying device of the present invention, the antidrip ultramicro charged spraying device designed by the present invention comprises a cylindrical air duct 2, wherein the inlet end and the outlet end of the cylindrical air duct 2 are respectively provided with a current collector 1 and an expansion port 9; along the gas flowing direction, the current collector 1 is a reducing pipe for increasing the air inlet volume of the axial flow fan 3. Along the gas flow direction, the expansion opening 9 is a gradually expanding pipe, is used for enlarging the action range of the gas flow and is beneficial to reducing the accumulated liquid amount of the fog drops outside the cylindrical air duct 2.
An axial flow fan 3, a torpedo-shaped flow guide body 5 and an electrostatic spraying unit are sequentially arranged in the cylindrical air duct 2 along the air flowing direction, and the electrostatic spraying unit comprises a solid conical nozzle 11, a water delivery pipe 14 and an arc circular plate electrode 10; the axial flow fan 3 is arranged at the inlet section of the cylindrical air duct 2 and mainly provides forward conveying power for the fog drop group. The head of torpedo-shaped flow guide body 5 is a cone with the diameter gradually becoming larger, the transition section of torpedo-shaped flow guide body 5 is a cone with the diameter gradually becoming smaller, the tail of torpedo-shaped flow guide body 5 is a cylindrical pipe, and the cone of the head, the cone of the transition section and the tail are in smooth surface transition of the cylindrical pipe, as shown in fig. 3, a spiral guide vane 4 is arranged on the surface of torpedo-shaped flow guide body 5 and used for adjusting axial flow wind speed and uniformity, and the spraying distance is favorably improved. The tail part of the torpedo-shaped flow guide body 5 is sleeved with an insulating fixed bearing 8, and the outside of the insulating fixed bearing 8 is fixedly connected with the inside of the cylindrical air duct 2 through an insulating bracket 7; the torpedo-shaped current carrier 5 is fixedly mounted inside the cylindrical air duct 2 by using the fixed bearing 8 on one hand, and the insulating fixed bearing 8 does not influence the rotation process of the torpedo-shaped current carrier 5 caused by axial flow wind on the other hand. The torpedo-shaped flow guide body 5 is made of wear-resistant insulating materials and is of a hollow structure, and the inlet installation angle and the blade number of the spiral guide blade 4 are set according to actual requirements.
A water conveying pipe 14 is arranged inside the torpedo-shaped current carrier 5 along the axis, and the water conveying pipe 14 penetrates from the head to the tail of the torpedo-shaped current carrier 5. The water inlet end of the water delivery pipe 14 is connected with a diaphragm pump 15, and the diaphragm pump 15 provides power for pumping liquid medicine required by spraying. The water outlet end of the water delivery pipe 14 is connected with the solid cone nozzle 11 through the quick connector 6, and the solid cone nozzle 11 adopts a solid cone nozzle, so that the realization of the liquid medicine ultra-micro electrostatic spraying process is facilitated, and the consumption is saved. The outer layer of the solid cone nozzle 11 is coated with a wear-resistant insulating material and is grounded through a lead. The water delivery pipe 14 is fixedly arranged on the inner wall of the cylindrical air duct 2 by adopting a rubber shaft sleeve 13 and is used for fixing the water delivery pipe 14. An arc circular plate electrode 10 is arranged at the tail end of the cylindrical pipe at the tail part of the torpedo-shaped flow guide body 5, and the arc circular plate electrode 10 is semi-spherical; like the arc-shaped circular plate electrode 10 shown in fig. 2, 8 air holes 1001 are uniformly distributed on the arc-shaped circular plate electrode 10 along the circumferential direction; arc plectane electrode 10 the radian with wind hole 1001 drill way angle is formulated according to actual demand, helps strengthening arc plectane electrode 10's rotatory effect, the cup atomization effect is revolved in the reinforcing, promotes whole atomization efficiency to prevent that excessive hydrops from adsorbing arc plectane 10 reaches on the cylindrical wind channel 2, solve the problem of the electric charge atomization efficiency decline that the droplet entrainment backward flow caused and liquid medicine drip. The arc circular plate electrode 10 is connected with the negative high-voltage electrostatic generator 12 through a lead, and the negative high-voltage electrostatic generator 12 provides electric energy required by the charged spraying process.
The specific working process of the anti-dripping ultra-micro charged spraying device designed by the invention is further explained, for example, the spraying of disinfectant liquid is carried out, the outlet of the diaphragm pump 15 is connected with the water pipe 14, the solid conical nozzle 11 is grounded through a lead, and the arc circular plate electrode 10 is connected with the negative high-voltage electrostatic generator 12 through a lead; the axial flow fan 3, the diaphragm pump 15 and the negative high-voltage electrostatic generator 12 are sequentially opened, the spiral guide vane 4 drives the torpedo-shaped flow guide body 5 to rotate under the action of axial flow wind, so that the arc circular plate electrode 10 is driven to rotate to form a rotary cup atomization effect, the charged atomization effect is improved, and the technical problem of the induction charged atomization technology in practical application is solved. The solid cone nozzle 11 sprays towards the target to be disinfected. And (5) stopping the operation of the device, and closing the negative high-voltage electrostatic generator 12, the diaphragm pump 15 and the axial flow fan 3 in sequence until the operation is finished. According to the using mode, the anti-dripping ultra-micro charged spraying device can be used for spraying pesticides and other chemical agents, and has a wide application range.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and modifications, substitutions or variations obvious to those skilled in the art can be made without departing from the spirit of the present invention.
Claims (5)
1. The anti-leakage ultramicro charged spraying device is characterized by comprising a cylindrical air channel (2), wherein an axial flow fan (3), a torpedo-shaped flow guide body (5) and an electrostatic spraying unit are sequentially arranged in the cylindrical air channel (2) along the air flowing direction; the electrostatic spraying unit comprises a solid cone nozzle (11), a water delivery pipe (14) and an arc circular plate electrode (10); the water conveying pipe (14) penetrates through the interior of the torpedo-shaped flow guide body (5) along the axis, the water outlet end of the water conveying pipe (14) is connected with the solid cone nozzle (11), and the solid cone nozzle (11) is grounded; the arc circular plate electrode (10) is fixedly connected to the tail of the torpedo-shaped current carrier (5), the arc circular plate electrode (10) is connected with a negative high-voltage electrostatic generator (12), and 8 air holes (1001) are uniformly distributed on the arc circular plate electrode (10) along the circumferential direction; the surface of the torpedo-shaped flow guide body (5) is provided with a spiral guide vane (4); set up wind hole (1001) on arc plectane electrode (10), strengthen the rotatory effect of arc plectane electrode strengthens cup atomization effect soon, promotes whole atomization efficiency to prevent that excessive hydrops from adsorbing arc plectane electrode (10) and on cylindrical wind channel (2), solve the drop entrainment and inhale the electric charge atomization efficiency decline and the liquid medicine water clock that the backward flow caused and leak.
2. The antidrip ultramicro charge spraying device according to claim 1, wherein the head of the torpedo-shaped current conductor (5) is a cone with gradually increasing diameter, the transition section of the torpedo-shaped current conductor (5) is a cone with gradually decreasing diameter, the tail of the torpedo-shaped current conductor (5) is a cylindrical pipe, and the surfaces of the cone at the head, the cone at the transition section and the cylindrical pipe at the tail are smoothly transited, so that the torpedo-shaped current conductor (5) is used for improving the wind outlet speed and uniformity.
3. The anti-dripping ultra-micro charged spraying device according to claim 2, wherein the tail of the torpedo-shaped current conductor (5) is sleeved with an insulating fixed bearing (8), and the outside of the insulating fixed bearing (8) is fixedly connected with the inside of the cylindrical air duct (2) through an insulating bracket (7); the torpedo-shaped current carrier (5) is fixedly arranged in the cylindrical air duct (2) by using the insulating fixed bearing (8), and the rotating process of the torpedo-shaped current carrier (5) caused by axial flow wind is not influenced by the insulating fixed bearing (8).
4. The leakage-proof ultra-micro charged spraying device according to claim 3, wherein the water outlet end of the water pipe (14) is connected with a solid cone nozzle (11) through a quick coupling (6), the spiral guide vane (4), the torpedo-shaped current conductor, the water pipe (14), the quick coupling (6), the insulating bracket (7) and the insulating fixed bearing (8) are all made of wear-resistant insulating materials, and the interior of the torpedo-shaped current conductor (5) is of a hollow structure.
5. The antidrip ultramicro electrically charged spraying device of claim 1, wherein the inlet end and the outlet end of the cylindrical air duct (2) are respectively provided with a current collector (1) and an expansion port (9); along the gas flowing direction, the current collector (1) is a reducing pipe and is used for increasing the air inlet volume of the axial flow fan (3); along the gas flowing direction, the expanding opening (9) is a divergent pipe and is used for enlarging the action range of the gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090800.9A CN112387437B (en) | 2020-10-13 | 2020-10-13 | Antidrip ultramicro lotus electric spray device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090800.9A CN112387437B (en) | 2020-10-13 | 2020-10-13 | Antidrip ultramicro lotus electric spray device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112387437A CN112387437A (en) | 2021-02-23 |
| CN112387437B true CN112387437B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011090800.9A Active CN112387437B (en) | 2020-10-13 | 2020-10-13 | Antidrip ultramicro lotus electric spray device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113828432B (en) * | 2021-09-30 | 2022-09-16 | 宜宾海丰和锐有限公司 | Nozzle structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474236A (en) * | 1992-12-03 | 1995-12-12 | Nordson Corporation | Transfer of electrostatic charge to a rotary atomizer head through the housing of a rotary atomizing spray device |
| CN103769319B (en) * | 2014-02-26 | 2015-12-30 | 农业部南京农业机械化研究所 | A kind of profiling electrode static nozzle |
| CN204261837U (en) * | 2014-11-28 | 2015-04-15 | 海南大学 | A kind of electronic strength auxiliary electrostatic sprayer |
| CN104607329B (en) * | 2015-02-10 | 2022-11-22 | 农业农村部南京农业机械化研究所 | Anti-drift rotary disc centrifugal nozzle |
| CN105234017B (en) * | 2015-10-27 | 2017-12-29 | 江苏大学 | A kind of double air channel electrostatic charged spray devices |
| CN105478263B (en) * | 2016-01-18 | 2018-10-19 | 杨福毅 | A kind of electrostatic atomiser |
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