WO2014014014A1 - 静電噴霧装置 - Google Patents
静電噴霧装置 Download PDFInfo
- Publication number
- WO2014014014A1 WO2014014014A1 PCT/JP2013/069383 JP2013069383W WO2014014014A1 WO 2014014014 A1 WO2014014014 A1 WO 2014014014A1 JP 2013069383 W JP2013069383 W JP 2013069383W WO 2014014014 A1 WO2014014014 A1 WO 2014014014A1
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- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- groove
- substance
- electrostatic spraying
- liquid recovery
- Prior art date
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Classifications
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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
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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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
- B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
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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
- B05B5/057—Arrangements for discharging liquids or other fluent material without using a gun or nozzle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the present invention relates to an electrostatic spraying device that can reduce the influence of liquid adhesion.
- a spraying device for ejecting liquid in a container from a nozzle has been applied to a wide range of fields.
- an electrostatic spraying device that atomizes and sprays a liquid by electrohydrodynamics (EHD) is known.
- EHD electrohydrodynamics
- This electrostatic spraying device forms an electric field in the vicinity of the tip of the nozzle and uses the electric field to atomize and spray the liquid at the tip of the nozzle.
- Patent Document 1 is known as a document disclosing such an electrostatic spraying device.
- an electrostatic spraying device forms an electric field between two electrodes by applying a voltage between two electrodes (pin and capillary). At this time, since the electric field is directed in the direction of the pin, the spray substance is sprayed back in the direction of the pin, that is, in the direction of the device, and the liquid adheres to the electrostatic spraying device. Can be considered. If the device surface is in a wet state, the user will wet his hand when gripping the device.
- the electrostatic spraying device is sometimes used for spraying aromatic oil, agricultural chemicals, pharmaceuticals, agricultural chemicals, insecticides, air cleaning agents and the like, and therefore, it is preferable that the liquid adhere less to the surface of the device.
- Patent Document 1 discloses an electrostatic spraying device having a recovery structure for recovering liquid accumulated on the surface.
- the recovery structure of Patent Document 1 is a groove for recovering liquid in a predetermined area (reference numeral 7 in FIG. 1 of Patent Document 1), and the recovered liquid is recovered in the predetermined area. Remain.
- the liquid has a high viscosity or low volatility, the amount of evaporation decreases, so that the remaining amount of the liquid increases, and the liquid may overflow from the groove.
- the electrostatic spraying device is tilted, the collected liquid flows in the tilted direction, and in this case, it may overflow from the groove.
- the present invention has been made to solve the above problems, and an object of the present invention is to provide an electrostatic spraying device capable of reducing the influence of liquid adhesion.
- an electrostatic spraying apparatus includes a first electrode that sprays a substance from the tip and a second electrode to which a voltage is applied between the first electrode.
- a substance recovery part formed in the groove, and the substance recovery part is formed as a trapezoidal opening, and has a short length between the upper base and the lower base when the apparatus is erected Is located on the lower side in the direction of gravity.
- the substance recovery part is formed in the groove, and the substance recovery part recovers the substance recovered in the groove from the groove to the inside of the device.
- the substance recovery unit is formed in a trapezoidal shape, and the shorter one of the upper base and the lower base is positioned on the lower side in the gravity direction (hereinafter, such a shape is referred to as an inverted trapezoidal shape).
- the longer one of the upper base and the lower base will be described as the upper base, and the shorter one as the lower base.
- the lower bottom of the width is positioned below the upper base of the width in the direction of gravity, and the substance is more from the upper base side to the lower base side. It moves smoothly and is efficiently collected inside the device.
- the substance recovery part is formed in a triangular shape and one of the tops is oriented in the direction of gravity (hereinafter, such a shape may be referred to as an inverted triangle).
- the substance moving in the gravitational direction is directed to one of the tops, and may overflow from the substance recovery part to the groove at the top.
- the material overflowing from the material recovery unit may overflow from the groove.
- the electrostatic spraying device includes an inverted trapezoidal substance recovery unit, so that the substance moving toward the lower base is retained at the lower bottom part, and from the lower base to the outside of the device itself. The frequency of overflow can be reduced.
- the electrostatic spraying apparatus can recover the substance more efficiently by including the above-described substance recovery unit, and therefore can reduce the influence due to the adhesion of the liquid. .
- the electrostatic spraying device is formed on the surface of the device and has a groove for collecting the substance attached to the surface of the device, and the substance collected in the groove is removed from the groove.
- a substance recovery part formed in the groove for recovery to the inside of the apparatus, wherein the substance recovery part is formed as a trapezoidal opening, and when the apparatus is stood up, The shorter one of the lower bases is located on the lower side in the gravity direction.
- FIG. 2 is a diagram for explaining a main configuration of the electrostatic spraying apparatus 100.
- the electrostatic spraying device 100 is a device used for spraying aromatic oil, agricultural chemicals, pharmaceuticals, agricultural chemicals, insecticides, air cleaning agents, etc., and at least a spray electrode (first electrode) 1 and a reference An electrode (second electrode) 2, a power supply device 3, a dielectric 10, and a storage container 20 that stores liquid recovered from a liquid recovery unit (opening).
- the power supply device 3 may be provided outside the electrostatic spraying device 100, and the power supply device 3 and the electrostatic spraying device 100 may be connected.
- the spray electrode 1 has a conductive conduit such as a metallic capillary (for example, 304 type stainless steel) and a spray part at the tip.
- the spray electrode 1 is connected to the reference electrode 2 via the power supply device 3 and sprays the spray substance from the spray site.
- the spray substance is simply referred to as “liquid”.
- the reference electrode 2 is made of a conductive rod such as a metal pin (for example, a 304 type steel pin).
- the spray electrode 1 and the reference electrode 2 are spaced apart from each other at a predetermined interval and are arranged in parallel to each other. Further, the spray electrode 1 and the reference electrode 2 are arranged, for example, at an interval of 8 mm from each other.
- the power supply device 3 applies a high voltage between the spray electrode 1 and the reference electrode 2.
- the power supply device 3 applies a high voltage of 1-30 kV (eg, 3-7 kV) between the spray electrode 1 and the reference electrode 2.
- a high voltage is applied, an electric field is formed between the electrodes, and an electric dipole is generated inside the dielectric 10.
- the spray electrode 1 is positively charged and the reference electrode 2 is negatively charged (or vice versa).
- negative dipoles are generated on the surface of the dielectric 10 closest to the positive spray electrode 1, and positive dipoles are generated on the surface of the dielectric 10 closest to the negative reference electrode 2.
- the dielectric 10 is made of a dielectric material such as nylon 6, nylon 11, nylon 12, nylon 66, polypropylene, or a polyacetyl-polytetrafluoroethylene mixture.
- the dielectric 10 supports the spray electrode 1 at the spray electrode mounting portion 6 and supports the reference electrode 2 at the reference electrode mounting portion 7.
- FIG. 1 is a view for explaining the surface of the casing of the electrostatic spraying device 100.
- the lower side of the drawing is the direction of gravity.
- the electrostatic spraying apparatus 100 is a standing state.
- the electrostatic spraying device 100 has a substantially rectangular shape.
- An annular opening 31 formed so as to surround the spray electrode 1 and an annular opening 32 formed so as to surround the reference electrode 2 are formed on the surface 30 of the electrostatic spraying apparatus 100 on the liquid spray side. And are formed.
- a groove 8a, a groove 8b, and a groove 8c are formed on the surface 30.
- the groove 8b and the groove 8c are formed so as to extend in the longitudinal direction (the vertical direction in the drawing) of the electrostatic spraying device 100, and are connected to each other via the groove 8a.
- the groove 8a is formed to extend in the short direction (left and right direction in the drawing) of the electrostatic spraying apparatus 100, and connects the groove 8b and the groove 8c via the groove 8a.
- the groove 8a, the groove 8b, and the groove 8c intersect in a substantially vertical direction. Note that the groove 8b and the groove 8c are not essential, and only the groove 8a may be formed.
- a liquid recovery part 9a, a liquid recovery part 9b, and a liquid recovery part 9c are formed in the groove 8a.
- the liquid recovery part 9a is located at the center of the groove 8a extending in the horizontal direction, and the liquid recovery part 9b and the liquid recovery part 9c are located at both ends of the groove 8a.
- the liquid recovery part 9a, the liquid recovery part 9b, and the liquid recovery part 9c are each formed in a trapezoidal shape, and the shorter one of the upper base and the lower base is located on the lower side in the gravitational direction (hereinafter, This shape is sometimes referred to as an inverted trapezoid).
- the liquid recovery part 9a, the liquid recovery part 9b, and the liquid recovery part 9c may be formed in the groove 8a with an inclination, for example, so as to easily recover the liquid inside the electrostatic spraying device 100. .
- the groove 8a is formed with a length of 26 mm and a height of 1 mm, for example.
- the liquid recovery part 9a is formed with an upper base of 6 mm, a lower and lower part of 4 mm, and a height of 1.6 mm.
- the liquid recovery part 9b and the liquid recovery part 9c are formed with an upper base of 5 mm, a lower and lower part of 3 mm, and a height of 1.6 mm.
- these numerical values are examples, and are not limited to these numerical values.
- the spray electrode 1 is connected to the electric conductor 21, and a voltage is applied from the power supply device 3 (not shown) through the electric conductor 21.
- the reference electrode 2 is connected to the electric conductor 22, and a voltage is applied from the power supply device 3 (not shown) through the electric conductor 22.
- the electrical conductor 21 and / or the electrical conductor 22 may be coated with a material having water / oil repellency.
- the spray electrode 1 and / or the reference electrode 2 may be attached with an O-ring made of chemically resistant silicon, fluorine rubber, resin, or the like.
- the electrostatic spraying apparatus 100 has the above-described configuration, thereby providing the following effects.
- a liquid recovery part 9a, a liquid recovery part 9b, and a liquid recovery part 9c are formed in the groove 8a. For this reason, when the liquid flows into the groove 8a, the liquid can smoothly enter the liquid recovery part 9a, the liquid recovery part 9b, and the liquid recovery part 9c. Even when the electrostatic spraying device 100 is tilted left and right, since the liquid recovery part 9b and the liquid recovery part 9c are formed at both ends of the groove 8a, the liquid is recovered from the liquid recovery part 9b and the liquid recovery part. Part 9c can be entered.
- the liquid that has entered the groove 8a has high viscosity and / or low volatility, the liquid can smoothly enter the liquid recovery part 9a, the liquid recovery part 9b, and the liquid recovery part 9c. It can be recovered in the electrostatic spraying device 100.
- the liquid recovered by the liquid recovery unit 9a, the liquid recovery unit 9b, and the liquid recovery unit 9c is stored by connecting the liquid recovery unit 9a, the liquid recovery unit 9b, and the liquid recovery unit 9c to a storage container 20 (not shown). Can be stored in a container. The stored liquid may be reused, whereby the electrostatic spraying device 100 can suppress the amount of liquid used compared to the conventional case.
- liquid recovery parts that is, a liquid recovery part 9 a, a liquid recovery part 9 b, and a liquid recovery part 9 c are formed in the groove 8 a.
- the groove 8a only one or two liquid recovery units may be formed, or four or more liquid recovery units may be formed.
- liquid recovery is more efficient when the electrostatic spraying device 100 is tilted to the left and right than when three liquid recovery units are formed. It may be impossible to do this.
- the number of liquid recovery units is four or five, the size of the liquid recovery unit may be reduced, and the absorbability may be reduced with respect to the liquid physical properties. Therefore, about three liquid recovery units are preferable.
- FIG. 3 is a diagram for explaining liquid recovery results by various shapes of liquid recovery units. As illustrated, trapezoid (small), inverted trapezoid, rhombus, trapezoid (large), rectangle, equilateral triangle, and circle were used as comparison targets. The size of each shape (the length of the larger side (in the horizontal direction), the length of the shorter side, and the height) and the like are as described in FIG. The number of liquid recovery units is 1 or 2. Further, 30 ⁇ l of a preparation mainly composed of DPM was hung from the upper part of the surface 30 every other minute for 10 minutes, and the liquid absorption property of the preparation to the liquid recovery part was visually confirmed. Under these test conditions, FIG. 3 shows the liquid recovery results evaluated in three stages, ⁇ , ⁇ , and X. Among these, ⁇ represents a good collection result, ⁇ represents a medium collection result, and x represents an unfavorable collection result.
- the inverted trapezoid had the highest liquid absorbency, and the liquid recovery result was ⁇ .
- the liquid recovery part has an inverted trapezoidal shape
- the liquid is likely to collect from the wide upper bottom side to the narrow lower bottom side, and it is considered that the disappearance of bubbles is promoted in the process.
- the liquid recovery part has an inverted triangular shape
- the liquid is excessively collected in the direction of gravity and overflows from the groove 8a.
- the inverted trapezoidal shape with the bottom is lower than the inverted triangle without the bottom, although it uses the nature of the liquid that tends to gather from the wide bottom to the bottom. It has been found that liquid can be efficiently collected inside the electrostatic spray device 100.
- FIG. 4 is a diagram for explaining liquid recovery results in various shapes of liquid recovery units, and in particular, each shape of FIG. 4 has a liquid recovery unit 9b and a liquid recovery unit 9c located at both ends of the groove 8a. It is a shape when the case used for is considered.
- the shape of the liquid recovery unit an inverted trapezoid, a circle (small), a triangle (small), a circle (large), a triangle (medium), and a triangle (large) were used as comparison targets.
- the size of each shape (the length of the larger side (in the horizontal direction), the length of the shorter side, and the height) and the like are as described in FIG.
- the number of liquid recovery units is 1 or 2.
- 30 ⁇ l of a preparation mainly composed of DPM was hung from the upper part of the surface 30 every other minute for 10 minutes, and the liquid absorption property of the preparation to the liquid recovery part was visually confirmed.
- the electrostatic spraying device main body is tilted to the left or right by 7.5 degrees.
- FIG. 4 shows the result of liquid recovery evaluated in three stages of ⁇ , ⁇ , and ⁇ .
- ⁇ represents a good collection result
- ⁇ represents a medium collection result
- x represents an unfavorable collection result.
- the inverted trapezoidal shape had the highest liquid absorbency, and the liquid recovery result was ⁇ .
- the circular shape small
- bubbles remained and the liquid absorption was inferior compared to the inverted trapezoidal shape.
- bubbles remained and the liquid absorption was not good.
- the triangle (middle) could not be said to have good liquid absorbency because bubbles might be generated.
- the triangle (large) could not be said to have good liquid absorbency because a part of the liquid remained at the apex part, obstructing the ingress of the liquid and causing a liquid leak. .
- FIG. 4 the result of the comparative test by FIG. 3, FIG. 4 was demonstrated.
- the liquid recovery part 9a is formed in the groove 8a, and its shape is an inverted trapezoidal shape.
- channel 8a can be smoothly collect
- the liquid can be introduced and dispersed in the groove 8a.
- the leaked liquid can be collect
- the shapes of the liquid recovery part 9b and the liquid recovery part 9c into inverted trapezoidal shapes the leaked liquid can be recovered more smoothly into the electrostatic spraying device 100.
- the sizes of the liquid recovery unit 9a, the liquid recovery unit 9b, and the liquid recovery unit 9c are not particularly limited, but if the size is too large, the design of the electrostatic spraying apparatus 100 is affected. Therefore, if the height of the groove 9a is about 1 mm, the height of the liquid recovery unit 9a, the liquid recovery unit 9b, and the liquid recovery unit 9c is preferably set to about 1.5 mm to 2.0 mm. Thereby, the liquid collection
- FIG. 5 is a diagram showing a state where a slit is formed in the liquid recovery unit 9 in the lower part of the electrostatic spraying apparatus 100 in a standing state.
- slits 15a, 15b, and 15c are formed in the upper bases of the liquid recovery portions 9a, 9b, and 9c (hereinafter, when the slits 15a, 15b, and 15c are not distinguished, they are simply referred to as the slit 15).
- a minute cut is formed in the upper base of the inverted trapezoidal liquid recovery unit 9.
- the cut (gap) is referred to as a slit.
- the slit 15 has a triangular shape, and the length of one side thereof is sufficiently shorter than the length of the upper base of the liquid recovery unit 9 and is very small.
- the slit 15 is formed with one triangular corner in the upward direction.
- the slit 15 may be formed at any position on the upper bottom of the liquid recovery unit 9. Further, in FIG. 5, one slit 15 is formed in each of the liquid recovery units 9a, 9b, and 9c, but a plurality of slits 15 may be formed in each of the liquid recovery units 9a, 9b, and 9c.
- the shape of the slit 15 is not limited to a triangle, and can be various shapes. This will be described with reference to FIG. 6A and 6B are diagrams for explaining the shape of the slit 15.
- FIG. 6A is a diagram for explaining a plurality of triangular slits 15a
- FIG. 6B is a diagram for explaining an elliptical slit 15b. is there.
- a plurality of slits 15a are formed in the liquid recovery unit 9.
- the slits 15a are spaced from each other at indefinite intervals, and the angles and heights of the sides with respect to the upper base are different.
- a slit 15 b is formed in the liquid recovery unit 9.
- the slit 15b is elliptical, and the tip of the slit has a curved surface.
- the sizes of the slit 15a in FIG. 6A and the slit 15b in FIG. 6B are both sufficiently smaller than the length of the upper base of the liquid recovery unit 9.
- the shape of the slit 15 is not limited to a triangle, and may be various shapes. Further, the shape, size, and position of the slit 15 may be different for each liquid recovery unit 9. Further, the slit 15 is formed in one liquid recovery unit 9 and may not be formed in another liquid recovery unit 9.
- the effect of forming the slit 15 in the liquid recovery unit 9 is as follows. Without the slit 15, the liquid flowing down from the surface 30 flows along the upper base, and the liquid is not collected smoothly inside the liquid collection unit 9. It takes time to collect the liquid inside the liquid collection unit 9. , And so on. On the other hand, by forming a minute slit 15 that becomes a cut (gap) in the upper bottom on the upper bottom of the liquid recovery unit 9, the liquid that flows down from the surface 30 can easily flow into the slit 15. It was found. That is, by providing the slit 15 in the upper bottom of the liquid recovery unit 9, the possibility of recovering the liquid flowing down from the surface 30 into the liquid recovery unit 9 can be further increased.
- FIG. 7 is a diagram showing a modification of FIG.
- a part of the surface 30 of the apparatus is protruding further downward from the upper bottom of the liquid recovery unit 9.
- a part of the surface 30 formed in a minute triangle shape protrudes further downward from the vicinity of the central part of the upper base.
- a part of the surface 30 formed in a minute triangle shape protrudes further downward from the upper base over the entire upper base.
- a part of the surface 30 (projection part 16c in the figure) formed in a minute triangle shape protrudes further downward from the right side of the upper base (the liquid recovery part 9a side).
- the protrusions 16a to 16c are formed on the surface 30, whereby a slit is formed in the upper bottom of the liquid recovery unit 9.
- the liquid which flows down from the surface 30 can be recovered into the liquid recovery part 9, and the liquid absorbability can be further enhanced.
- protrusions 16a to 16c in FIG. 7 are described in a triangular shape, but may have other shapes. Further, the size, position, and quantity are not limited and may be determined as appropriate. (Supplement) In the electrostatic spraying apparatus according to the embodiment, a plurality of the substance recovery units may exist in the groove.
- the ratio (amount) of the substance recovered in the groove can be increased.
- the groove when the apparatus is erected, the groove extends in a direction substantially perpendicular to the direction of gravity, and the number of the substance recovery units is three. There may be a configuration in which one of them is located near the center of the groove and the other two are located near both ends of the groove.
- the electrostatic spraying device has three substance recovery parts, one near the center of the extending groove and two substance recovery parts near both ends of the extending groove.
- recovery part can collect
- a storage container that stores the substance is disposed inside the apparatus, and the substance recovery unit communicates with the storage container. It may be.
- the substance recovered by the substance recovery unit can be stored in the storage container. Thereby, the substance adhering to the apparatus surface of the own apparatus by spray back etc. can be reused, and the effective utilization of a substance can be promoted.
- the groove may be formed so as to surround the first electrode and the second electrode.
- the substance adhering to the surface of the device by spray back or the like is sprayed from the first electrode. For this reason, the ratio of the substance adhering to the device surface around the first electrode and the second electrode is high.
- the substance recovery unit 9 may have a configuration in which the slit 15 is formed in the longer one of the upper bottom and the lower bottom.
- the substance recovery unit 9 can further recover the substance.
- the present invention can be suitably applied to an electrostatic spraying apparatus that sprays spray substances such as aromatic oils, agricultural chemicals, pharmaceuticals, agricultural chemicals, insecticides, and air cleaning agents.
- spray substances such as aromatic oils, agricultural chemicals, pharmaceuticals, agricultural chemicals, insecticides, and air cleaning agents.
- Spray electrode (first electrode) 2 Reference electrode (second electrode) 3 Power supply device 6
- Spray electrode mounting part 7 Reference electrode mounting part 9
- Liquid recovery part (substance recovery part) DESCRIPTION OF SYMBOLS 10 Dielectric 15 Slit 16 Protrusion part 20 Storage container 21, 22 Electrical conductor 30 Surface 31, 32 Opening 100 Electrostatic spraying apparatus
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- Electrostatic Spraying Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
Description
まず、静電噴霧装置100の要部構成を図2により説明する。図2は、静電噴霧装置100の要部構成を説明するための図である。
静電噴霧装置100が、表面30に逆台形状の液体回収部9を有することによる効果を図3、図4により説明する。
ここまで、逆台形状の液体回収部9によって液体回収部9の吸液性が高まることを説明した。次に、逆台形状の液体回収部9の吸液性をさらに高める構成を図5等により説明する。
次に、図5のスリット15と同様の効果をもたらす変形例を図7により説明する。図7は、図5の変形例を示す図である。
(補足)
また、本実施の一形態に係る静電噴霧装置では、上記物質回収部は、上記溝に複数存在する構成であってもよい。
2 基準電極(第2電極)
3 電源装置
6 スプレー電極取付部
7 基準電極取付部
9 液体回収部(物質回収部)
10 誘電体
15 スリット
16 突起部
20 貯留容器
21、22 電気伝導体
30 表面
31、32 開口
100 静電噴霧装置
Claims (6)
- 先端から物質を噴霧する第1電極と、上記第1電極との間で電圧が印加される第2電極とを備える静電噴霧装置であって、
装置表面に形成され、当該装置表面に付着した上記物質を回収するための溝と、
上記溝に回収された上記物質を上記溝から自装置の内部へ回収する、上記溝に形成された物質回収部と、を備え、
上記物質回収部は、台形状の開口部として形成され、かつ、自装置を起立させたときに、上底および下底のうち長さの短い方が重力方向下側に位置することを特徴とする静電噴霧装置。 - 上記物質回収部は、上記溝に複数存在することを特徴とする請求項1に記載の静電噴霧装置。
- 自装置を起立させたときに、
上記溝は、重力方向に対して略垂直方向に延在しており、
上記物質回収部は3つ存在し、1つが延在する上記溝の中央付近に、他の2つが延在する上記溝の両端付近にそれぞれ位置することを特徴とする請求項2に記載の静電噴霧装置。 - 自装置の内部に、上記物質を貯留する貯留容器が配設されており、
上記物質回収部は、上記貯留容器と連通していることを特徴とする請求項1から3の何れか1項に記載の静電噴霧装置。 - 上記溝は、上記第1電極および上記第2電極を取り囲むように形成されていることを特徴とする請求項1から4の何れか1項に記載の静電噴霧装置。
- 上記物質回収部は、上底および下底のうち長さの長い方にスリットが形成されていることを特徴とする請求項1から5の何れか1項に記載の静電噴霧装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/414,362 US20150196930A1 (en) | 2012-07-18 | 2013-07-17 | Electrostatic spray device |
JP2014525840A JPWO2014014014A1 (ja) | 2012-07-18 | 2013-07-17 | 静電噴霧装置 |
CN201380038221.1A CN104507585A (zh) | 2012-07-18 | 2013-07-17 | 静电喷雾装置 |
AU2013291144A AU2013291144A1 (en) | 2012-07-18 | 2013-07-17 | Electrostatic spraying device |
EP13819753.8A EP2875870A1 (en) | 2012-07-18 | 2013-07-17 | Electrostatic spraying device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2012159828 | 2012-07-18 | ||
JP2012-159828 | 2012-07-18 |
Publications (1)
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WO2014014014A1 true WO2014014014A1 (ja) | 2014-01-23 |
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PCT/JP2013/069383 WO2014014014A1 (ja) | 2012-07-18 | 2013-07-17 | 静電噴霧装置 |
Country Status (6)
Country | Link |
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US (1) | US20150196930A1 (ja) |
EP (1) | EP2875870A1 (ja) |
JP (1) | JPWO2014014014A1 (ja) |
CN (1) | CN104507585A (ja) |
AU (1) | AU2013291144A1 (ja) |
WO (1) | WO2014014014A1 (ja) |
Cited By (2)
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WO2014141798A1 (ja) * | 2013-03-15 | 2014-09-18 | 住友化学株式会社 | 静電噴霧装置、および静電噴霧装置の制御方法 |
CN110681505A (zh) * | 2019-11-19 | 2020-01-14 | 南方科技大学 | 一种电喷雾装置 |
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US20070194157A1 (en) * | 2002-08-06 | 2007-08-23 | Clean Earth Technologies, Llc | Method and apparatus for high transfer efficiency electrostatic spray |
US20070194156A1 (en) | 2006-01-05 | 2007-08-23 | Aerstream Technology, Ltd. | Electrostatic Spray Device |
JP2009090192A (ja) * | 2007-10-05 | 2009-04-30 | Panasonic Electric Works Co Ltd | 静電霧化装置 |
JP2010207223A (ja) * | 2004-08-26 | 2010-09-24 | Panasonic Electric Works Co Ltd | 帯電微粒子水によるエチレンガスの除去方法及び静電霧化装置 |
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US4153008A (en) * | 1977-04-07 | 1979-05-08 | Interrad Corporation | Moving filter system for air-powder separation in an electrostatic powder spray system |
TWI264963B (en) * | 2001-03-29 | 2006-10-21 | Hitachi Ltd | Organic EL display and production device of color filter |
GB0115355D0 (en) * | 2001-06-22 | 2001-08-15 | Pirrie Alastair | Vaporization system |
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2013
- 2013-07-17 AU AU2013291144A patent/AU2013291144A1/en not_active Abandoned
- 2013-07-17 CN CN201380038221.1A patent/CN104507585A/zh active Pending
- 2013-07-17 US US14/414,362 patent/US20150196930A1/en not_active Abandoned
- 2013-07-17 EP EP13819753.8A patent/EP2875870A1/en not_active Withdrawn
- 2013-07-17 WO PCT/JP2013/069383 patent/WO2014014014A1/ja active Application Filing
- 2013-07-17 JP JP2014525840A patent/JPWO2014014014A1/ja active Pending
Patent Citations (4)
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US20070194157A1 (en) * | 2002-08-06 | 2007-08-23 | Clean Earth Technologies, Llc | Method and apparatus for high transfer efficiency electrostatic spray |
JP2010207223A (ja) * | 2004-08-26 | 2010-09-24 | Panasonic Electric Works Co Ltd | 帯電微粒子水によるエチレンガスの除去方法及び静電霧化装置 |
US20070194156A1 (en) | 2006-01-05 | 2007-08-23 | Aerstream Technology, Ltd. | Electrostatic Spray Device |
JP2009090192A (ja) * | 2007-10-05 | 2009-04-30 | Panasonic Electric Works Co Ltd | 静電霧化装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014141798A1 (ja) * | 2013-03-15 | 2014-09-18 | 住友化学株式会社 | 静電噴霧装置、および静電噴霧装置の制御方法 |
JP2014176834A (ja) * | 2013-03-15 | 2014-09-25 | Sumitomo Chemical Co Ltd | 静電噴霧装置、および静電噴霧装置の制御方法 |
US9937508B2 (en) | 2013-03-15 | 2018-04-10 | Sumitomo Chemical Company, Limited | Electrostatic spraying device and method for controlling electrostatic spraying device |
CN110681505A (zh) * | 2019-11-19 | 2020-01-14 | 南方科技大学 | 一种电喷雾装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2014014014A1 (ja) | 2016-07-07 |
AU2013291144A1 (en) | 2015-02-12 |
CN104507585A (zh) | 2015-04-08 |
US20150196930A1 (en) | 2015-07-16 |
EP2875870A1 (en) | 2015-05-27 |
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