KR101899725B1 - Nano-bubble creating device - Google Patents

Abstract

An objective of the present invention is to maximize nano-bubble creation efficiency while forcibly agitating air and water to create nano-bubbles while receiving the air and water to pump the air and water. A nano-bubble creating device comprises: a housing having a cylindrical rotor chamber with an inlet and outlet therein; the center shaft which is rotatably arranged in the chamber and receives torque of a motor to rotate; an impeller which is rotatably coupled to the center shaft, and creates a discharge pressure to pump the fluid to the outlet when rotating; and a collision member to apply a collision pressure to the fluid discharged to the outlet by the impeller to create nano-bubbles. The impeller includes a pair of a first disk and second disk connected to rotate in a longitudinal direction of the center shaft and are arranged to be separated to have opposite surfaces for pumping a fluid. A plurality of vanes protruding outwards are arranged on the opposite surfaces making up the first disk and second disk around the center at angular intervals. The collision member includes: a coil spring spirally wound and fixed on the inner circumferential surface of the outlet; and a fixing ring having a ring shape inserted and coupled to the inner circumferential surface of the outlet, on which an upper end of the coil spring is fixed.

Description

[0001] NANO-BUBBLE CREATING DEVICE [0002]

More particularly, the present invention relates to a nano bubble generating apparatus capable of generating nano bubbles which are micro bubbles having a diameter of nanometer units, and more particularly, And more particularly, to a nano bubble generator capable of maximizing the efficiency of generating nano bubbles during the generation of nano bubbles.

In general, nano bubbles are ultrafine bubbles whose diameter is less than nano units and which can not be visually confirmed.

Generally, it is 1 / 2,000 size of a normal bubble, and it is air particles finer than the skin pore of 25 microns. When it disappears, ultrasonic wave of 40 KHz is generated, high sound pressure of 140 db is generated, and instantaneous high temperature of 4,000 to 6,000 degrees occurs.

That is, ordinary bubbles rise in the water and rupture on the surface.

However, the nano bubble is reduced by the pressure in the water, generating various energy and disappearing.

These nano bubbles are most commonly caused when water and air are vigorously rotated by ultra-fine bubbles.

On the other hand, such nano bubbles have been utilized in various fields due to physical and chemical characteristics such as "gas dissolving effect, self-pressurizing effect, and charging effect", and in recent years, In medical field, it is used for precision diagnosis. In various fields, it is used in physical therapy, high purity water treatment, environment device, and the like.

In other words, the field of use is wide ranging from hot spring bath to cancer diagnosis, it is known that it has excellent sterilization effect as well as regenerating skin.

In Korean Patent Application No. 10-2010-0101071 (entitled Micro Bubble Generator / Oct. 15, 2010), as known in the art, there is a pump room having a suction port for introducing air and water from the outside and a discharge port for discharging And an impeller having a plurality of divided chambers of an isosceles triangle shape having a wide outer side and a narrow inner side is provided in the pump chamber and the air and the water are mixed by the vacuum suction force generated by the rotation of the impeller, A vacuum forced suction pump adapted to be pumped; And an agitating chamber having an inlet connected to the discharge port of the vacuum strong suction pump and communicated with the discharge port and having an inlet for introducing mixed water in which air and water are mixed and an outlet for discharging the mixed water, And an agitating cylinder having a plurality of agitating blades for agitating and stirring the mixed water introduced into the agitating chamber while being rotated on the shaft of the agitating chamber; Wherein the outlet is positioned on a bottom surface of the stirring chamber and the stirring bar is formed in a cone shape whose width becomes narrower toward the bottom; A pressure pipe connected to the discharge port on the lower outer circumferential surface of the stirring bar so that the pressure and flow rate of the mixed water discharged gradually through the outlet are gradually increased; A plurality of irregular scratches are formed on the surface of the stirring vane and a bubble generator is provided so as to be inclined sideways about the axis of the stirring motor.

On the other hand, in Korean Patent Application No. 10-2012-0035633 (name: Pump for Micro Bubble Generating Device / Feb. 20, 04.05.), As known in the art, there are a motor and a motor, And a pump chamber having a inlet and a discharge port for sucking / discharging the fluid by the impeller so as to be rotated together and having a plurality of compartments communicated with each other so as to connect the inlet port and the drain port with each other, A pump for a generator, comprising: A first air sensor and an air discharge valve are provided at a portion where the air is floated in the pump chamber, And the air discharge valve comprises a solenoid valve driven by a control unit for receiving a sensing signal of the first air sensor and calculating data based on the sensed signal.

1, Korean Patent Application No. 10-2010-0101071 (Oct. 15, 2010) 2, Korean Patent Application No. 10-2012-0035633 (Apr. 05, 2012)

However, the above conventional nano bubble generating devices are structurally unable to maximize the efficiency of generating nano bubbles.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems of the prior art. It is an object of the present invention to provide a method for producing nano bubbles, And to provide a nano bubble generator capable of being maximized.

The nano bubble generator according to the present invention includes a housing having a motor for generating a rotating force by being supplied with power and a cylindrical rotor chamber having an inlet and an outlet, An impeller rotatably coupled to the center shaft and adapted to pump a fluid during rotation to form a discharge pressure for discharging the fluid to the outlet; And a collision member for generating a nano bubble by applying a collision pressure to the fluid to be nano bubbles. The impeller includes a pair of first and second disks connected to rotate in the longitudinal direction of the central shaft and disposed at intervals therebetween and each having a facing surface for pumping fluid upon rotation; Wherein a plurality of vanes protruding outwardly are disposed on respective opposed surfaces constituting the first disk and the second disk with a center angle at an intermediate angle; Wherein a height of the vanes is formed to be lower than an interval between the first disk and the second disks; The impingement member includes a coil spring and a fixing ring having a 'ring' shape fitted to the inner circumferential surface of the outlet and fixed to the upper end of the coil spring, .

According to the nano bubble generating apparatus of the present invention, as described above, air and water are supplied through the impeller in the chamber and forcedly stirred while being pumped to generate nano bubbles. In addition, The generation of nano bubbles is added to maximize the overall nano bubble generating efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view illustrating a nano bubble generator according to an embodiment of the present invention. FIG.
Fig. 2 and Fig. 3 are schematic views showing a nano bubble generator according to this embodiment. Fig.
Figs. 4 to 6 are schematic views showing another example of an impeller applied to the nano bubble generator according to the present embodiment. Fig.
Figs. 7 to 10 are schematic views showing still another example of an impeller applied to the nano bubble generating device according to the present embodiment. Fig.

Hereinafter, a nano bubble generator according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 3 are views showing a nano bubble generator according to an embodiment of the present invention. The nano bubble generator 1 according to the present embodiment includes a motor (not shown) And a cylindrical rotor chamber 33 having an inlet 31 and an outlet 32. The housing 3 is rotatably provided in the chamber 33 and is rotatable with respect to the motor 21 An impeller 4 rotatably coupled to the central shaft 2 and configured to pump a fluid at the time of rotation and to discharge the fluid to the outlet 32; , And a collision member (5) for generating a nano bubble by applying a collision pressure to a fluid discharged to the outlet (32) through the impeller (4).

That is, air and water are respectively supplied through the impeller 4 in the chamber 33 and forcedly stirred while being pumped to generate nano bubbles.

In addition, generation of nano bubbles is added by the impact member 5 while being discharged to the outlet 32, thereby maximizing the overall nano bubble generating efficiency.

In the nano bubble generator 1 according to the present embodiment, the impeller 4 is connected to rotate in the longitudinal direction of the central shaft 2, And a pair of first disks 41 and second disks 42 having opposed surfaces to be pumped.

That is, when the center shaft 2, to which the first disk 41 and the second disk 42 transmit the power of the motor 21, is rotated, is rotated in the chamber 33, 33 form a vacuum state.

Thus, fluid is introduced through the inlet 31 and then pumped out through the outlet 32.

It is preferable that the inlet 31 is disposed at one end of the chamber 33 and is disposed in the longitudinal direction of the central axis 2 and the outlet 32 is formed at a position where the first disk 41, 2 discs 42. It is most desirable to arrange on the region of the outer circumferential wall of the chamber 33 that extends across the discs.

That is, after the fluid flows in the longitudinal direction of the center shaft 2, the fluid is pumped toward the outer circumferential side of the chamber 33.

The first disk 41 is disposed on the side of the inlet 31 of the chamber 33 and allows the fluid to flow from the inlet 31 to the space between the second disks 42 And an opening (43) aligned with the inlet (31).

The first disk 41 is connected to the second disk 42 via a plurality of spaced apart connectors 44 adjacent to the central axis 2 to which the second disk 42 is fixed, And is connected to the disk 42.

In the nano bubble generator 1 according to this embodiment, a plurality of vanes 45 (hereinafter, referred to as " first vanes ") 45 protruding outwardly are formed on the opposed surfaces constituting the first disk 41 and the second disk 42, ) Are disposed with an angle between them about the center; The height of the vanes 45 is lower than the distance between the first disk 41 and the second disk 42.

The first disk 41 and the second disk 42 are coupled while being coupled through the connector 44; The vanes 45 are radially extended from the outer circumference of the first disk 41 and the outer circumference of the second disk 42 on respective surfaces extending toward the center thereof.

In the nano bubble generator 1 according to the present embodiment as described above, the impact member 5 is fixed while being wound around the inner circumferential surface of the outlet 32 in a spiral shape, and includes a coil spring 51, And a fixing ring 52 having a 'ring' shape fitted to the inner circumferential surface of the coil spring 51 and fixing the upper end of the coil spring 51.

That is, the nano bubbles are more actively generated by the impact pressure generated when the fluid discharged to the outlet 32 through the pump pressure of the impeller 4 collides while passing through the coil spring 51.

The operation and effect of the nano bubble generator 1 according to this embodiment will be described in detail as follows.

The nano bubble generator 1 according to the present embodiment is characterized in that the fluid flows into the chamber 33 through an inlet pipe connected to the inlet 31, 2 < / RTI >

When the center shaft 2 rotates and the first disk 41 and the second disk 42 rotate according to the driving of the motor 21, the fluid is moved by the action of the vanes 45 Progressing radially outwardly from the outer portions of the first disc (41) and the second disc (42) by engagement of an increased viscous traction force; Fluid is discharged through the outlet 32 disposed on the region of the outer circumferential wall of the chamber 33 between the first disk 41 and the second disk 42.

At this time, while the fluid is being discharged into the outlet 32 through the pump pressure of the first disk 41 and the second disk 42 in the chamber 33, the fluid passes through the coil spring 51 The generation of nano bubbles is more actively generated by the impact pressure generated by the collision.

On the other hand, in the nano bubble generator 1 according to the present embodiment, the inner circumferential surface of the outlet 32 is provided with a distance from the retaining ring 52, It is preferable to provide the light emitting device 53.

That is, the coil spring 51 is prevented from being excessively introduced into the chamber 33 through the support protrusion 53.

4 to 6 are views showing another example of the impeller 4 applied to the nano bubble generator 1 according to the present embodiment. The first disk 41 and the second disk 42 The first disk 41 and the second disk 42 are connected to each other so as to rotate in the longitudinal direction of the central shaft 2, A disk 46 is provided.

That is, as the fluid moves into the outlet 32 at the inlet 31, the mixing disk 46 is introduced between the first disk 41 and the second disk 42 within the chamber 33, The gas is finely pulverized by stirring the fluid.

As a result, the generation of nano bubbles in the fluid is promoted.

On the surface of the agitation disk 46, a plurality of vanes 45 protruding outwardly are arranged with an angle around the center thereof; The height of the vanes 46 is less than the gap between the first disc 41 and the second disc 42 and the agitating disc 46.

The first disk 41, the second disk 42, and the stirring disk 46 are coupled while being coupled through the connector 44; The agitation disk 46 is formed with an opening 43 aligned with the inlet 31 to allow fluid to flow from the first disk 41 to the space between the second disks 42 in the center.

On the other hand, in the rotary disk pump according to the present embodiment, the agitation disk 46 is disposed with both ends spaced from each other, and the disk surface connecting both ends can be formed into a screw shape.

That is, the fluid forms a pressure to move from the first disk 41 to the second disk 42 by the disk surface in the form of a screw.

7 to 10 are diagrams showing another example of the impeller 4 applied to the nano bubble generator 1 according to the present embodiment. The stirring disk 46 is divided into a plurality of And a pair of split discs 461 disposed at positions mutually opposed to each other; The split disks 461 may be formed such that their disk surfaces are inclined.

As a result, the fluid is further finely pulverized while stably stirring the fluid by the disk surface having the inclined surface.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Nano bubble generator 2: Center axis
21: motor 3: housing
31: inlet 32: outlet
33: chamber 4: impeller
41: first disk 42: second disk
43: opening 44: connector
45: Vane 46: stirring disk
461: Split disk 5: Collision member
51: coil spring 52: retaining ring
53: support projection

Claims (1)

A housing rotatably installed in the chamber and adapted to rotate by receiving a rotational force of the motor, and a housing rotatably supported by the housing, the housing having a cylindrical rotor chamber in which an inlet and an outlet are provided, An impeller rotatably coupled to the central shaft and configured to pump a fluid during rotation to generate a discharge pressure to be poured into the outlet; and a controller configured to generate a nano bubble by applying a collision pressure to the fluid discharged to the outlet through the impeller And a collision member formed on a surface of the nano bubble generating member.
In the above-described impeller,
And a pair of first and second disks connected to rotate in the longitudinal direction of the central axis, each of the first and second disks being disposed at an interval therebetween and having opposed surfaces for pumping fluid upon rotation;
On each of the opposing surfaces constituting the first disk and the second disk,
A plurality of vanes protruding in the outward direction are disposed at an angle with respect to the center;
The height of the vanes,
The second disk and the second disk being formed lower than the gap between the first disk and the second disks;
The impact member
And a fixed ring having a coil spring and a ring shape fitted into the inner circumferential surface of the outlet and fixed to the upper end of the coil spring. A nano bubble generator.

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