KR20160047745A - Micro drop generator - Google Patents

Micro drop generator Download PDF

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Publication number
KR20160047745A
KR20160047745A KR1020140144019A KR20140144019A KR20160047745A KR 20160047745 A KR20160047745 A KR 20160047745A KR 1020140144019 A KR1020140144019 A KR 1020140144019A KR 20140144019 A KR20140144019 A KR 20140144019A KR 20160047745 A KR20160047745 A KR 20160047745A
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KR
South Korea
Prior art keywords
wall
casing
outlet
nozzle
collision
Prior art date
Application number
KR1020140144019A
Other languages
Korean (ko)
Inventor
김한상
Original Assignee
김한상
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 김한상 filed Critical 김한상
Priority to KR1020140144019A priority Critical patent/KR20160047745A/en
Publication of KR20160047745A publication Critical patent/KR20160047745A/en

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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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/10—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in the form of a fine jet, e.g. for use in wind-screen washers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • 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
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles

Abstract

The present invention relates to a micro-bubble generating device for atomizing a liquid by colliding a liquid ejected from a nozzle to a wall surface or the like. According to an embodiment of the present invention, there is provided an image forming apparatus including: a collision casing having an outlet opened to one side thereof; and a nozzle for spraying a liquid toward an inner wall surface on an inner side of the collision casing opposite to the outlet, There is provided a fine droplet generating apparatus capable of varying the volume of the internal space of the impact casing in which droplets generated while the liquid collides with the wall surface of the impact casing flow toward the outlet.

Description

[0001] Micro drop generator [0002]

The present invention relates to a micro-bubble generating device for atomizing a liquid by colliding a liquid ejected from a nozzle to a wall surface or the like.

Dispensing devices for supplying liquid droplets are used in various fields. It is widely used from spray products, engine fuel injection nozzles to largely large humidifiers, painting devices, and the like. There are a variety of ways to turn liquid into fine droplets, but one of the things that is capable of large-volume spraying with a low maintenance cost is the collision type.

The collision method has a structure in which a liquid ejected from a nozzle collides with a member such as a wall surface, or a pair of nozzles are installed so as to face each other and the ejected liquid collides with the air. The collision energy causes the liquid to be scattered so that it becomes a small droplet, and this small droplet is supplied to the user.

In a conventional impact type atomizer, a distance between a discharge port of a nozzle and a wall member on which the shot liquid collides is adjusted. By adjusting the distance between the ejection port of the nozzle and the wall surface member, the impact energy transmitted to the liquid can be increased or decreased so that the size of the liquid droplet can be controlled to some extent. The droplet generated in this manner has an average droplet size, but has a disadvantage in that the size of the droplet is uneven because of a relatively large droplet during the process of absorbing the collision energy. Also, since the distance between the discharge port of the nozzle and the wall surface member is limited only by a short distance due to the structural limit, there is a disadvantage that the droplet size adjustment is performed within a very limited range.

Korean Patent Publication No. 10-2012-0086116 (2012.08.02) Korean Patent Publication No. 10-2013-0070704 (2013.06.28) Korean Patent Publication No. 10-2013-0078330 (July 10, 2013)

The present invention makes it possible to exclude droplets of an excessively large particle size from being ejected while varying the size of the droplets. Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an embodiment of the present invention, there is provided an air conditioner comprising: a collision casing having an outlet opened at one side thereof; and a nozzle for spraying a liquid toward the inner wall surface at an inner side surface facing the outlet of the collision casing, And a volume of the internal space of the collision casing in which droplets generated while the liquid discharged from the nozzle collides with the wall surface of the collision casing flows toward the outlet can be varied.

A collision casing having a first wall and a second wall opposed to each other and spaced apart from each other and having an opening opened to one side thereof, and a collision casing provided inside the collision casing to inject liquid toward the inner wall surface of the collision casing, Wherein a distance between the first wall and the second wall is adjusted so that the volume of the inner space extending from the nozzle to the outlet can be varied. At this time, the first wall or the second wall is hinged to one end of the impact casing, so that the volume can be changed according to the rotation. Also, the volume change may be configured such that the cross-sectional area gradually decreases or increases toward the outlet.

On the other hand, the first wall or the second wall may have irregularities.

In addition, the impact casing is in the shape of a hexahedron, and a plurality of the nozzles may be provided inside the impact casing in parallel.

At least one drain hole may be formed in the first wall or the second wall.

According to the embodiment of the present invention, by varying the volume of the collision casing, it is possible to obtain fine droplets that meet the needs of the user. Thus enabling universal use of the microbubble generator.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view showing a micro-droplet generating apparatus according to a first embodiment of the present invention.
Figure 2 is a schematic assembly view of the first embodiment shown in Figure 1;
3 is a side cross-sectional view of the first embodiment shown in Fig.
4 is a sectional view showing the use state of the first embodiment shown in Fig.
5 is a cross-sectional view illustrating a droplet generating apparatus according to a second embodiment of the present invention.
6 is a cross-sectional view illustrating a droplet generating apparatus according to a third embodiment of the present invention.
FIG. 7 is a cross-sectional view of a fine droplet generating apparatus according to a fourth embodiment of the present invention; FIG.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the structure, function and operation of a micro droplet generating apparatus according to the present invention will be described with reference to the accompanying drawings. It should be noted, however, that the same reference numerals will be used for the same or similar components throughout the drawings and the embodiments.

In the following description, terms such as 'first', 'second', and the like are used to distinguish constituent elements whose technical meaning is within the same range for convenience. That is, any one configuration may be arbitrarily referred to as a 'first configuration' or a 'second configuration'.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, therefore, are not to be construed as limiting the technical spirit of the invention. It is to be understood that the invention is not to be limited by any of the details of the description to those skilled in the art from the standpoint of a person skilled in the art that any or all of the drawings shown in the drawings are not necessarily the shape,

FIG. 1 shows a fine droplet generating apparatus according to a first embodiment of the present invention.

The fine droplet generating apparatus 100 according to the embodiment of the present invention includes a collision casing 10 and a nozzle 20.

Although not shown, the nozzle is connected to a liquid supply device which pressurizes and supplies the liquid. The liquid supply device includes a tank for storing a predetermined amount of liquid, a pump for pressurizing the liquid in the tank and flowing the liquid to the nozzle, and various pipes for this purpose.

Further, the nozzle 20 may be a twin-fluid nozzle. The twin-fluid nozzle can discharge a mixture of liquid and air at a high pressure by using compressed air, and is the same as the known configuration, so a detailed description is omitted. In the case of a two-fluid nozzle, the liquid supply apparatus further includes an air compressor, a blower, and the like for supplying compressed air.

In the drawing, the impact casing 10 includes a thick plate 13 to which the nozzle 20 is coupled, including a first wall 11 and a second wall 12 spaced apart from each other, 11 and side plates 14 blocking both sides of the second wall 12. An outlet (15) is formed so as to oppose the thick plate (13) and open frontward to allow fine droplets to escape.

Here, the thick plate 13 and the side plates 14 can be fixed to a frame of a certain apparatus. For example, in the case of a sprayer for spraying the pesticide with spraying, some of the outer panels constituting the sprayer may be a thick plate or a side plate.

1 to 4 relate to the first embodiment of the present invention.

In the fine droplet generating apparatus 100 according to the first embodiment, the impact casing 10 is clogged with a wall except for the outlet 15 which is open to one side, and an internal space A is formed. In the drawing, the impact casing 10 is shown in the form of a hexahedron. The ceiling of the inner space A is formed by the first wall 11, and the bottom is formed by the second wall 12.

The rear plate 13 to which a plurality of nozzles are coupled and the left and right side plates are integrally formed. Although five nozzles 20 are shown in the drawing, the number and arrangement of nozzles may vary depending on the needs of the user.

The first wall 11 and the second wall 12 are hinged to the left and right side plates 14 at the rear end adjacent to the thick plate 13, respectively. Although not shown, a position fixing means for fixing the positions of the first wall and the second wall is provided at the hinge-joining portions of the first wall and the second wall. For example, the position fixing means can be structured such that the diameter of the hinge protrusions protruded from both ends of the wall is increased by the operation, and fixed by the hinge holes of the left and right walls. In addition, various known rotation position fixing devices, mechanisms and the like can be applied.

The volume of the internal space A of the impact casing 10 is changed by appropriately rotating the first wall 11 and the second wall 12 facing each other. 3, the volume of the inner space A is changed as the first wall 11 is rotated. Since the rotation axis of the first wall 11 is adjacent to the thick plate 13, The greater the distance from the nozzle 20 is.

3 and 4 show the use state of the first embodiment.

The nozzle (20) fixed to the thick plate (13) discharges the liquid at high pressure in the vertical direction. As described above, a two-fluid nozzle can be used to expose the liquid more quickly by compressed air.

The liquid discharged upward and downward collides with the first wall body 11 and the second wall body 12.

At this time, by appropriately rotating the first wall 11 and the second wall 12, the approach angle of the liquid which impinges on the first wall 11 or the second wall 12 can be changed. At this time, in order to increase the collision energy and make the micro droplets smaller, the angle of the first wall 11 or the second wall 12 may be adjusted so as to be as perpendicular as possible to the obliquely shot liquid.

On the other hand, it is preferable that the second wall 12 forming the bottom is rotated so that the bottom of the inner space A is inclined upward toward the outlet 15. (For example, in the early stage of operation or at the end of operation) caused by the collision with the wall surface, or when the water droplets that are gathered together in the internal space A of the collision casing 10 drop to the floor due to gravity or the like, The bottom having an upward inclination toward the liquid outlet 15 prevents the collected liquid from being discharged to the outlet 15.

The fine droplets generated by the collision with the first wall 11 and the second wall 12 flow toward the outlet. During this process, water droplets having a large volume fall down while passing through the gradually narrowed inner space (A), so that they fall on the wet wall surface of the inner space (A), and the fine droplets having a small volume are discharged to the outlet (15). The discharged fine droplets can be scattered by a separate device such as a blower.

At this time, by varying the volume of the internal space (A) of the impact casing (10), the average size of the fine droplets discharged to the outlet (15) can be adjusted. That is, as the area of the outlet is narrowed, the probability that the generated fine droplets collide with the wet wall surface or the fine droplets of the inner space A increases, and thus the average size of the fine droplets discharged to the outlet 15 can be reduced.

Those particles having an abnormally large size in the water droplets generated while colliding with the first wall body 11 or the second wall body 12 are mixed with the gravity force or other water droplets during the process of flowing toward the outlet 15, It is possible to effectively prevent fine droplets of an abnormally large size exceeding a certain level from being discharged from the outlet 15. [

Although not shown, a drain hole to be described later may also be applied to the first embodiment. These drain holes may also be provided in the first wall forming the ceiling. Further, the second wall forming the bottom may be provided with the following irregularities.

Fig. 4 relates to a droplet generating apparatus according to a second embodiment of the present invention.

The micro-droplet generating apparatus 100 according to the second embodiment includes the technical features of the first embodiment described above as it is within the range not conflicted with the following description.

In the second embodiment, varying the volume of the internal space of the impact casing 10 is the first wall 11 which is hinged. On the other hand, the bottom of the collision casing (10) is fixed and formed as an inclined slope toward the outlet (15).

The concave and convex portions 30 are formed on the bottom. In the drawing, a plurality of concavities and convexities are shown in a triangular shape. The cross-section of the concave and convex portions 30 may be variously changed, such as hemispherical shape. Particularly, an end portion 31 of the concavo-convex 30 is provided adjacent to the nozzle just below the discharge port of the nozzle 20. This makes it possible to form a finer droplet by causing the liquid obliquely shot from the nozzle 20 to collide with the end 31 of the concavity 30 immediately.

The concave and convex portions 30 can be formed by folding the metal plate several times and can be detachably installed inside the collision casing 10. [ If necessary, the metal plates forming the irregularities may be replaced to vary the shape and size of the irregularities.

The irregularities 30 increase the chance of collision between fine droplets flowing toward the outlet 15 and wet irregularities. The inner space (not shown in the drawings) is formed in such a manner that a large volume of water droplets (unintentional large-size water droplets) that can not pass through the inside of the collision casing 10 and can be directed to the exit as it is can be more reliably contained in wet uneven surfaces, A). ≪ / RTI >

On the other hand, a plurality of drain holes 40 are formed on the bottom. The drain hole 40 collects the liquid flowing on the bottom of the tank. Although not shown, the drain hole 40 is connected to a tank for storing the liquid, and the liquid collected in the drain hole can be returned to the tank again.

Furthermore, a suction pump may be connected to the drain hole so as to more positively absorb liquid. In this case, it is possible to quickly remove the liquid in the inner space of the collision casing, which can be swept away by the flow toward the outlet to more reliably prevent the liquid from flowing out to the outlet.

Figure 6 relates to a third embodiment of the present invention. The micro-droplet generating apparatus 100 according to the third embodiment may include the technical features of the first and second embodiments described above within a range that does not conflict with the following description.

In the third embodiment, the volume change of the internal space A of the impact casing 10 is achieved by the floor (the second wall 12) which can be lifted.

To this end, another frame structure extending to the lower portion of the thick plate 13 is provided with a sliding unit 50 for moving up and down. The sliding unit 50 is connected to a second wall 12 forming a floor have.

Here, the sliding unit 50 can move up and down in a straight line, thereby fixing the position at a certain height. A case 52 having a sliding groove in the up and down direction is provided on the plate 51 and a slider 53 And can be configured to move up and down with the sliding groove. Further, the slider 53 can be fixed in position by a bolt (not shown) for the stopper which is inserted through the case 52 at an appropriate position. Alternatively, the sliding unit may be constructed by selecting any one of various known structures.

The volume of the internal space (A) of the impact casing 10 is reduced by the second wall 12 vertically rising in the third embodiment. At this time, unlike the above-described embodiments, the volume is reduced at the same rate from the rear end where the nozzle is provided to the front end where the outlet 15 is formed.

Even if the volume increases or decreases, the cross-sectional area to the outlet varies evenly, so that the flow characteristics of the water droplets that escape to the outlet do not vary greatly. Therefore, even though the volume is changed, the fine droplet discharge performance is generally uniform.

Fig. 7 relates to a droplet generating apparatus according to the fourth embodiment of the present invention.

The micro-droplet generating apparatus 100 according to the fourth embodiment may include the technical features of the above-described embodiments within a range not to conflict with the following description.

The volume change of the internal space A of the impact casing 10 in the fourth embodiment is caused by the change in length from the nozzle 20 to the outlet 15. [ In order to achieve this, a drawer casing 16 slidable forward is provided outside the collision casing 10. The open end of the drawer casing 16 becomes the outlet 15 through which fine droplets are discharged so that the volume of the inner space A increases as the drawer casing 16 extends forward.

The increase in the volume of the internal space A results in an increase in the length of the internal space A through which the water droplets generated in the vicinity of the nozzle are to pass. This increases the chance of collision between water droplets flying toward the outlet 15, The water droplets that are flying increase the chance of meeting the wet surface of the inner space and getting in. The larger the volume of the water droplet is, the easier it is to combine with the other water droplets, and the larger the volume, the easier it is to meet the wet floor easily. Therefore, as the length of the internal space increases (the volume increases) It can be prevented from being discharged. Accordingly, it is possible to discharge only droplets of a fine size on the whole.

The bottom of the drawer casing 16 adjoins the outlet 15 of the drawer casing 16 and the bottom of the drawer casing 16 is provided with a bushing 161 for preventing the bottom water from flowing out to the outlet. A hole 40 is provided. Inside the collision casing, unevenness 30 having an ascending slope toward the exit is fixed. The plate forming the concavity and convexity 30 is fixed to the inner wall surface of the thick plate so as to be detachable by a bolt.

The fine droplet generating apparatus according to the embodiments of the present invention includes at least one nozzle. In the case of employing a collision casing made of hexahedron, the length of the nozzle is increased in the horizontal direction, . Therefore, it is possible to use a large amount of fine droplets at a time in an agricultural chemical spreader or a large-scale painting apparatus.

The internal volume of the collision casing can be varied to limit the maximum size of the ejected fine droplets. Fine droplets can be ejected evenly on the average, so that the quality of fine droplets can be improved.

100: Generator
10: Collision casing
11: first wall 12: second wall 13: thick plate 14: side plate 15: outlet
A: Internal space 16: Draw-out casing 161:
20: nozzle 30: concave / convex 31: end portion 40: drain hole
50: Sliding unit
51: plate 52: case 53: slider

Claims (7)

A collision casing having an outlet opened to one side thereof and a nozzle for spraying a liquid toward an inner wall surface on an inner side surface opposite to the outlet of the collision casing,
Wherein a volume of the internal space of the impact casing in which water droplets generated while the liquid discharged from the nozzle collides with the wall surface of the impact casing flows toward the outlet can be varied. A collision casing having a first wall and a second wall opposed to each other and spaced apart from each other and having an outlet opened to one side,
And a nozzle provided inside the collision casing and injecting liquid toward the inner wall surface of the collision casing,
Wherein a distance between the first wall and the second wall is adjusted so that the volume of the internal space from the nozzle to the outlet can be varied.
Fine droplet generating device. 3. The method of claim 2,
Wherein the first wall or the second wall is hinged to one end of the impact casing, the volume of which varies with rotation. 4. The method of claim 3,
Wherein the volume change gradually decreases or increases in cross-section toward the outlet. 3. The method of claim 2,
Wherein the first wall or the second wall has irregularities. 3. The method of claim 2,
The impact casing is in the shape of a hexahedron,
Wherein the plurality of nozzles are provided inside the impact casing in parallel. 3. The method of claim 2,
Wherein at least one drain hole is formed in the first wall or the second wall.
KR1020140144019A 2014-10-23 2014-10-23 Micro drop generator KR20160047745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140144019A KR20160047745A (en) 2014-10-23 2014-10-23 Micro drop generator

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Application Number Priority Date Filing Date Title
KR1020140144019A KR20160047745A (en) 2014-10-23 2014-10-23 Micro drop generator

Publications (1)

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Country Status (1)

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