KR102069437B1 - Nano-micro bubble generator and gas mixed nano-micro bubble generating system using the same - Google Patents

Abstract

The present invention has been developed to increase collisions and friction, which is a major factor in bubble generation, and to dissolve the gas in the fluid well in the production of nano-micro bubbles, the pressure rotary impeller (rotor) is single or multi-stage, short or It is fixed to multi-axis and rotates, and inner wall is formed into mesh or spiral concave-convex structure to enhance impact and friction effect. The stator is an open structure paired with rotor to increase pressure and to handle a large quantity. It is composed. Specifically, the rotor includes a rotor arranged along the axis of the at least one rotation axis inside the housing that can flow in and out, and a plurality of stators facing the rotor at regular intervals while being fixed to the inner wall of the housing, At least one of the rotor and the stator is a nano-micro bubble generator consisting of a mesh-like structure having a plurality of openings for the fluid to pass through, the rotor has a configuration in which the rotor of each axis side by side in the arrangement of two or more axes Nano-micro bubble generators are provided that have a configuration in which the rotors of each axis are interleaved with the other rotors.

Description

NANO-MICRO BUBBLE GENERATOR AND GAS MIXED NANO-MICRO BUBBLE GENERATING SYSTEM USING THE SAME}

The present invention relates to a nano-micro bubble generator, and more particularly, to a nano-micro bubble generator and a gas mixed nano-micro using the same for producing ultra-fine bubbles through the mixing and refinement of water (or liquid) and gas It relates to a bubble generator.

Recently, various applications and functions of high-concentration dissolved water (eg, oxygen water, ozone water, hydrogen water, nitrogen water, etc.), in which gas is dissolved in water to increase the dissolution rate, have been known. It's going on. In addition, as the function of the nano-micro bubbles as a means for dissolving the gas is known, studies on this are being actively conducted.

In general, bubbles may be classified into milli bubbles, micro bubbles, micro nano bubbles and nano bubbles according to their diameters, and micro bubbles may have bubbles of 10 to several tens of micrometers in diameter and at least 30 microns or less. It refers to, Micro Nano Bubble (Micro Nano Bubble) refers to the micro-bubble of several hundred nm ~ 10㎛, NanoBubble (NanoBubble) refers to the ultra-micron bubble of several hundred nm or less.

Milli bubble, which is a common general bubble, rises rapidly in water and ruptures on the surface, whereas nanobubbles are less buoyant due to their small volume, and the rate of rise to the surface is very slow, so bubbles are kept underwater for a long time. In particular, it has the characteristics of gas dissolving effect, self-pressurizing effect, and charging effect, so it is highly applicable to various fields such as sewage treatment-related facilities, high water treatment facilities, soil purification, fisheries agriculture, and drainage cleaning. .

On the other hand, as a device for dissolving gas in a liquid in the prior art Patent Publication No. 1792157 discloses a "gas dissolving device for increasing the gas dissolution rate and generating ultra-miniature bubbles." According to this patent, a hollow cylinder in the form of a hollow hemisphere; An inner cylinder formed therein through which the inner cylinder is installed; And at least one gas discharge pipe extending downward from an upper surface of the outer cylinder, through which gas in the outer cylinder is discharged, and into the inner cylinder, a gas dissolved device into which bubbles in which gas is dissolved are introduced. It is installed in the water to increase the dissolved rate of the gas in the treated water, and by additionally generating the ultra-micro-bubbles containing gas, the ultra-micro-bubble is reduced buoyancy, prolongs the residence time in the water and is stirred and dissolved even in small water flow As the time for the ultra-micro-foam mixed with the material is in contact with the contacting material in water increases, the gaseous material mixed in the ultra-mini-foam can increase the dissolved and oxidation efficiency in the water.

However, with the above gas-dissolving device, it is practically impossible to generate ultra-micron bubbles in nano units, and even if the bubbles are generated by ultra-fine microscopic distillation, there is a limit in actually increasing the gas dissolution rate.

The present invention has been developed to solve the above problems, provides a multi-stage collision and friction with the formation of cavitation in the mixed fluid of water (or liquid) and gas, thereby accelerating the mixing and miniaturization of the fluid to ultrafine An object of the present invention is to provide a nano-micro bubble generator for generating bubbles and a gas-mixed nano-micro bubble generator using the same.

According to an aspect of the present invention for achieving the above object, a rotor arranged along the axis of at least one rotation axis in the interior of the housing that can flow in and out of the fluid, and the rotor and the fixed state to the inner wall of the housing A nano-micro bubble generator comprising a plurality of stators facing each other at regular intervals, wherein at least one of the rotor and the stator has a mesh-like structure having a plurality of openings through which fluid passes. In the structure, a nano-micro bubble generator is proposed in which the rotors of each axis have an arrangement in parallel with each other, or the rotors of each axis are in an arrangement in which the rotors of the respective axes are interleaved with each other.

According to the present invention, the rotor may include a rotor blade or a brush of a single layer or multilayer arrangement extending in each direction on the circumferential surface of the rotation axis, the housing is a structure that gradually decreases the inner diameter, or a plurality along the wall surface of the inner wall It may have a projection, a recess, or a spiral groove.

According to the present invention, at least a portion of the pipe connected to the discharge side of the nano-micro bubble generator is embedded with a collision member to further refine the size of the water molecules in the fluid, the collision member has a diameter in the flow direction It has a structure of gradually expanding the main body portion and the partition wall extending in the circumferential direction at regular intervals on the surface of the main body portion or a spiral groove or spiral projection formed along the surface of the main body portion, Each of the plurality of protrusions may be provided in a structure formed.

In addition, the present invention is the pump and the nano-micro bubble generator is sequentially disposed on at least one conduit, and the venturi portion having a wide inlet and outlet and narrow inside is formed on the conduit between the pump and the nano-micro bubble generator. One or more gas / liquid supply units for mixing a predetermined gas (or liquid) with water (or liquid) in the pipeline may be connected to one side of the venturi part away from the conduit to supply the gas supplied from the gas / liquid supply unit. According to the present invention, it is preferable that two or more nano-micro bubble generators installed on the conduit are connected in a parallel structure.

Do.

From the above-mentioned features, the present invention accelerates the mixing of fluids and the atomization of water molecules in fluids by providing cavitation and friction in multiple stages while simultaneously cavitation in the mixed fluid of water (or liquid) and gas, thereby minimizing several nanometers. The production of nano-micro bubbles can be controlled and increased from (nm) to tens of micrometers (μm). In addition, the present invention can process the fluid from low to large capacity by modularizing the bubble generation and gas mixing system, reducing the gas injection amount by increasing the water dissolution rate of the gas selected from the group of air, oxygen, hydrogen, ozone, etc. The gas generator such as an oxygen generator, a hydrogen generator or an ozone generator can be miniaturized.

It is a figure which shows schematic structure of a generator.
FIG. 2 shows a first embodiment of the nano-micro bubble generator of FIG. 1, FIG. 2A is a front configuration layout view of a nano-micro bubble generator having a uniaxial mesh-shaped rotor of a surface contact method, and FIG. 1B It is a planar layout view of FIG. 1A.
3 shows a second embodiment of the nano-micro bubble generator of FIG. 1, FIG. 3A is a front configuration layout view of the nano-micro bubble generator having a biaxial mesh type rotor of a surface contact method, and FIG. 3B FIG. 1A is a view showing an example of the planar configuration arrangement, FIG. 3C is a view showing another example of the planar configuration arrangement of FIG. 1A, and FIG. 3D is a nano-side having a biaxial mesh type rotor of a surface contact method. 4 is a front configuration layout view of another example of the microbubble generator, and FIG. 3E is a plan configuration layout diagram of FIG. 3D.
Figure 4 shows a third embodiment of the nano-micro bubble generator of Figure 1, Figure 4a is a front configuration layout of the nano-micro bubble generator having a three-axis mesh-type rotor of the surface contact method, Figure 4b 4A is a diagram illustrating an example of the planar configuration arrangement of FIG. 4A, and FIG. 4C is a diagram illustrating another example of the planar configuration arrangement of FIG. 4A.
5 illustrates a mesh structure of a rotor and a stator provided in the nano-micro bubble generator of FIGS. 2 to 4, FIG. 5A illustrates a plane mesh structure of the rotor and the stator, and FIG. Figure shows the stepped mesh structure of the electron and stator.
FIG. 6 illustrates modified forms of the rotor provided in the nano-micro bubble generators of FIGS. 2 to 4, FIG. 6A illustrates a first modification of the rotor, and FIG. Fig. 6C is a view showing a second modification, Fig. 6C is a view showing a third modification of the rotor, and Fig. 6D is a view showing a fourth modification of the rotor.
FIG. 7 shows a housing inner wall structure of the nano-micro bubble generator of FIG. 1, and FIG. 7A shows an uneven inner wall structure as a first embodiment of the housing inner wall structure, and FIG. It is a figure which shows the mesh inner wall structure as 2nd Embodiment, and FIG. 7C is a figure which shows the spiral inner wall structure as 3rd Embodiment of a housing inner wall structure.
FIG. 8 is a view showing a housing structure in which the inner diameter decreases gradually in the flow direction as a variant of the housing having the inner wall structure of FIG. 7.
FIG. 9 illustrates a rotor arrangement structure in a housing having the inner wall structure of FIG. 7, and FIG. 9A illustrates a structure in which the radius of the rotor on the rotating shaft is gradually enlarged. FIG. 9B illustrates the rotor on the rotating shaft. Is a diagram showing a structure in which the radius of? Gradually decreases.
FIG. 10 illustrates an internal structure of a discharge pipe path connected to the discharge port of the nano-micro bubble generator of FIG. 1, and FIG. 10A illustrates a discharge pipe path having an impingement member that is gradually enlarged in the flow direction and formed with partition walls along a circumferential surface. 10B is a cross-sectional view showing another example of a discharge pipe having an impingement member which is gradually expanded in the flow direction and has a spiral groove formed along a circumferential surface thereof, and FIG. 10C is a view showing a plurality of protrusions formed on the upper and lower surfaces thereof. It is sectional drawing which shows the other example of the discharge pipe | channel in which the several panel layer was incorporated.
11 is a diagram showing another configuration example of a nano-micro bubble generator including a nano-micro bubble generator according to the present invention.

Further details and advantages of the invention are set forth using the embodiments of the invention shown in the accompanying drawings.

In the following examples, the drawings and descriptions thereof are omitted except for the inevitable parts in describing the invention, and like reference numerals designate like elements throughout the specification, and detailed description thereof will not be repeated. .

1 illustrates a configuration of a nano-micro bubble generator including a nano-micro bubble generator of the present invention, wherein the nano-micro bubble generator includes, for example, air or oxygen in water (or liquid). Nano-micro bubbles may be provided by supplying, mixing, and dissolving at least one gas selected from the group of gases such as (O 2), nitrogen (N 2), ozone (O 3), and carbon dioxide (CO 2). According to FIG. 1, the nano-micro bubble generator of the present invention may include a nano-micro bubble generator 1 using the principle of relative rotation of a rotor and a stator. Nano-micro bubble generator (1) is to use the impact and friction effects caused by the relative rotation of the rotor and stator to the gas-mixed fluid to make the gas better dissolved and at the same time finer, The structure of such a nano-micro bubble generator 1 will be described in more detail below with reference to the examples shown in FIGS. 2 to 4.

In the present invention, water (or liquid) provided to the nano-micro bubble generator 1 is supplied by the pump 2, and at least a part of the conduit connecting the pump 2 and the nano-micro bubble generator 1 is It can be configured as a venturi tube structure (hereinafter referred to as 'venturi part') having a wide inlet and outlet and a relatively narrow inside. In addition, at least one gas / liquid supply part 4 may be disposed at one side of the venturi part 3 so as to mix a predetermined gas (or a liquid, for example, a catalyst, etc.) in the water (or liquid) inside the pipe. 5 may be connected.

In this configuration, the water (or liquid) supplied by the pump 2 has a rapid flow rate while passing through the venturi portion 3, and the gas (or liquid) supplied from the gas / liquid supply portions 4 and 5 The liquid) is spontaneously absorbed into the venturi part 3 by the strong suction force according to the increase in the flow rate, and mixed with water (or liquid) inside the conduit. As such, a mixed fluid of water (or liquid) and gas (or liquid) (hereinafter referred to as a 'fluid') is introduced into the nano-micro bubble generator 1 to be more finely mixed, and then discharged into the discharge line 6. Therefore, it flows.

As described above, the present invention can modularize the bubble generation and gas mixing system to process the fluid from low volume to large capacity, and also increase the water dissolution rate of the gas selected from the group of gases such as air, oxygen, hydrogen, ozone, etc. The gas generator such as an oxygen generator, a hydrogen generator or an ozone generator can be miniaturized therefrom.

FIG. 2 illustrates a first embodiment of the nano-micro bubble generator of FIG. 1 having a uniaxial mesh-shaped rotor of a surface contact method, wherein a motor (not shown) inside the housing 101 of the nano-micro bubble generator 100 is shown. A plurality of rotors 120 to rotate along the axis 111 of the 110, and a plurality of stators to face each rotor 120 at a fixed interval in a state fixed to the inner wall of the housing 101 ( 130 is provided. At this time, the rotor 120 and the stator 130 is preferably provided in a mesh-like structure having a plurality of openings for the fluid to pass through, the size of each opening is enough that the fluid can pass through. In addition, the interlayer distance between the rotor 120 and the stator 130 is sufficient to allow the fluid to escape while the surfaces of each rotor 120 and the stator 130 are in or substantially in contact with each other. Do.

In such a configuration, the fluid introduced through the fluid inlet 102 provided at one side of the housing 101 is rotated by the rotor 120 and the stator 130 when the motor 110 is driven. The cavitation is generated between the 120 and the stator 130, and at the same time, it generates repeated collisions and frictions. This collision and friction action allows the gas to dissolve better in the fluid, while at the same time further atomizing the water (or liquid) molecules, resulting in the creation of nano-micro bubbles down to at least several nanometers (nm) to several tens of micrometers (μm). Can be adjusted and increased.

Meanwhile, the number of the motor shafts 111 in which the plurality of rotors 120 are provided at predetermined intervals is two, three, or more in the housing 101 as long as the internal space of the housing 101 allows. Shaft mounting is possible, the description of which is described below.

3A to 3C illustrate an example of a second embodiment of the nano-micro bubble generator of FIG. 1 having a biaxial mesh-shaped rotor of a surface contact method, and showing a housing of the nano-micro bubble generator 200. 201) The shafts 211 of the motors 210 and 210 'are arranged in two rows, and each of the motor shafts 211 includes a plurality of rotors 220 that rotate simultaneously with the driving of the motors 210 and 210'. It is installed at regular intervals. In this case, the distance between the shafts of the motor shafts 211 is preferably such that the rotors 220 arranged on each shaft 211 are interleaved with each other. According to FIGS. 3A and 3B, the shafts 211 are arranged on the respective shafts 211. The rotors 220 are at least partially inserted between the rotors 220 arranged on the opposite axis, and are maintained to face each other. In this state, the interlayer distance between the rotors 220 facing each other is the vertical rotors 220. It is sufficient to allow the fluid to escape while the surfaces of the surfaces remain substantially or almost in contact. As another example, the rotors 220 may be arranged side by side to be spaced apart from each other, as shown in Figure 3c, the outer shape of the housing 201 may be a variety of shapes, such as round or square.

In such a configuration, the fluid introduced through the fluid inlet 202 provided at one side of the housing 201 is rotated by the relative rotation of the rotor 220 and the stator 230 when the motors 210 and 210 'are driven. Cavitation is generated between the electrons 220 and the stator 230, and at the same time, it causes repeated collisions and frictions in multiple stages, and these collisions and frictions make the gas better dissolved in the fluids and at the same time water molecules in the fluids. Further atomize to produce micro or nano-sized ultra-fine bubbles.

3D to 3E show another example of the nano-micro bubble generator of FIG. 1 having a biaxial mesh-shaped rotor of a surface contact method, and showing the housing of the nano-micro bubble generator 300. Inside the 301, the shafts 311 of the motors 310 and 310 'are arranged in two rows, and each of the motor shafts 311 has a plurality of rotors 320 that rotate simultaneously with the driving of the motors 310 and 310' along the axis. They are arranged side by side at a predetermined interval, and face each other at intervals with each rotor 320 in a state fixed to an inner wall of the housing 301 between the rotors 320 for each floor arranged on two shafts 311. A plurality of stators 330 are arranged. In this case, the interlayer distance between the rotor 320 and the stator 330 may be such that the surfaces of the rotor 320 and the stator 330 facing each other may be substantially in contact with or substantially in contact with each other. Suffice.

FIG. 4 illustrates a third embodiment of the nano-micro bubble generator of FIG. 1 having a triaxial mesh-type rotor of a surface contact method, wherein a motor (not shown) inside the housing 401 of the nano-micro bubble generator 400 is shown. The shafts 411 of 410, 410 ', 410 "are arranged in three rows, and each motor shaft 411 has a plurality of rotors 420 which rotate simultaneously with the driving of the motors 410, 410', 410". Therefore, it may be formed at a predetermined interval from each other. In this case, the distance between the shafts of the motor shafts 411 is preferably such that the rotor 420 arranged on each shaft 411 are interleaved with each other, according to Figures 4a and 4b, arranged on each shaft 411 The rotors 420 are configured such that at least some of the rotors 420 are inserted between the rotors 420 arranged on the opposite shaft to face each other. In addition, at least one portion of the plurality of stators 430 extending from the inner wall of the housing 401 may be interposed between the floor rotors 420 arranged on the respective motor shafts 411 to face each other. . Here, the interlayer distances between the rotors 420 facing each other, and the interlayer distances between the rotors and stators facing each other, are substantially between the faces of the up and down rotors 420 and between the faces of the rotors and stators facing each other. It is sufficient to allow the fluid to escape while keeping in or near contact with the. As another example, the rotors 420 may be provided in a state in which the rotors 420 are spaced apart from each other in the housing 401 as shown in FIG. 4C.

In such a configuration, the fluid introduced through the fluid inlet 402 provided at one side of the housing 401 may be subjected to relative rotation of the rotor 420 and the stator 430 when the motors 410, 410 ′, and 410 ″ are driven. Thereby causing cavitation between the rotor 420 and the stator 430, and at the same time causing repeated collisions and friction, which impacts the gas in the fluid and at the same time the water in the fluid The particles are further atomized to produce micro or nano-sized ultra-fine bubbles.

5 illustrates examples of a mesh structure of a rotor and a stator that may be provided in the nano-micro bubble generators of FIGS. 2 to 4, and according to FIG. 5A, a mesh structure of the rotor 120 and the stator 130 is illustrated. It can be seen that forms a lattice of a flat planar structure. In addition, according to Figure 5b, the mesh structure of the rotor 120 and the stator 130 can be seen that the cross bars (121 131) and the vertical poles (122 132) has a constant height difference to form a bumpy grid structure. have. The fluid collides with the rungs 121 and 131 and the longitudinal rods 122 and 132 while passing through the mesh openings 123 and 133 in the form of a lattice, and in the process, collision and friction are caused by the relative rotation of the rotor 120 and the stator 130. By causing the gas to dissolve better in the fluid, at the same time the water molecules in the fluid are more atomized to produce micro or nano-sized ultra-fine bubbles. On the other hand, the figure shows a mesh structure in the form of a lattice, the present invention is not limited to this can provide a mesh structure of various forms such as honeycomb, triangle, pentagon.

FIG. 6 illustrates modified forms of the rotor provided in the nano-micro bubble generators of FIGS. 2 to 4, and according to FIG. 6A, the rotor 120 is oriented in a circumferential surface of the motor shaft 111 in each direction. The rotor blades 120a having a single layer structure extending in the shape of the rotor blades 120a may have a width from the upper end to the lower end of the motor shaft 111 and may have a constant curvature with respect to the rotation direction. In this case, stators (not shown) may be disposed at positions spaced apart at regular intervals in the vertical direction of the rotor 120, and the surfaces of each of the rotor blades 120a and the stator are flat or stepped in FIG. 5. It may have a grid structure of the form or may have a mesh structure of various other forms.

In addition, according to FIG. 6B, the rotor 120 ′ has at least two rotary blades 120b, 120c, 120d... At a predetermined interval up and down along the circumferential surface of the motor shaft 111. It can be provided as a rotor of a multi-layer structure extending in the direction. In this case, the separation distance between the upper and lower rotary blades (120b, 120c, 120d ...) of the rotor 120 is formed at intervals that can be fitted between the rotor shown in Figures 2a to 4a or the coupling between the rotor and the stator. desirable. Further, in addition to the forms described above, a rotor 120 " structure having a general turbo type rotor blade or a screw propeller type rotor blade 120e as shown in FIG. 6C, or a plurality of rotors as shown in FIG. 6D A brushed rotor 120 '"structure having the needle-like members 120f may be provided.

As an example, the present invention may be configured such that the rotor and the stator are respectively installed on one or more rows of corresponding motor shafts so that relative rotation is made with respect to each other, in which case the rotor and the stator are as shown in FIG. It can also be comprised by the structure which has a turbo type or a screw propeller type rotary vane. In addition, when configured as described above, the rotor and the stator have a mesh structure so that the rotor and the stator can rotate relative to each other in close proximity to each other to increase the gas dissolution rate through collision and friction action with the occurrence of cavitation in the fluid. In addition, it is possible to further atomize the water molecules in the fluid to generate micro or nano-sized ultra-fine bubbles.

FIG. 7 illustrates the inner wall structure of the housing of the nano-micro bubble generator of FIG. 1, wherein the inner wall 101a of the housing 101 has irregularities in which a plurality of protrusions 101b are formed along the wall as shown in FIG. 7A. It may be provided in the form of a structure, or may be provided in a mesh structure having a plurality of recesses (101c) along the wall as shown in Figure 7b, in addition to a plurality of along the wall of the inner wall as shown in Figure 7c It may be provided in a spiral structure in which the spiral grooves 101d are formed. On the other hand, in this case, the fluid flowing through the fluid inlet 102 provided on one side of the housing 101, as well as the relative rotation of the rotor 420 and the stator 430, as well as the projection 101b, concave portion 101c Or the collision and friction with the spiral groove (101d), the gas dissolution rate is higher and more finer to generate micro or nano-sized bubbles.

FIG. 8 illustrates a housing of a nano-micro bubble generator in which the inner wall of the inner wall has a substantially trapezoidal shape as the inner diameter of the housing gradually decreases as a modification of the housing structure of FIG. 7. According to this structure, the fluid introduced into the housing has a higher gas dissolution rate in the fluid due to the increase in pressure due to the decrease in the inner diameter, together with the collision and frictional effects of the relative rotation of the rotor and the stator, thereby increasing the fluid Micronization results in micro- or nano-sized ultra-fine bubbles.

FIG. 9 illustrates an arrangement of rotors embedded in the housing having the inner wall structure of FIG. 7, wherein the nano-micro bubble generator of the present invention includes a plurality of rotors arranged on the motor shaft 111 inside the housing 101. As shown in FIG. 9A, the rotors 120 may have a structure that gradually expands in the flow direction of the fluid, or as shown in FIG. 9B, the diameter decreases gradually in the flow direction and then expands again at an intermediate point. It may take the form of, for example, a mortar or hourglass. In this case, the fluid introduced into the housing 101 is in the fluid due to the increase in the cavitation due to the change in the radius of the rotor 120 together with the collision and frictional effects of the relative rotation of the rotor 120 and the stator 130 The gas dissolution rate is higher, and the atomization of water molecules in the fluid is maximized, allowing the creation of micro or nano-sized bubbles.

FIG. 10 illustrates a structure of a discharge conduit connected to an outlet of a nano-micro bubble generator in the nano-micro bubble generator of FIG. 1, wherein at least a part of the discharge conduit 6 includes the nano-micro bubble generator of the present invention. In order to further refine the size of the water molecules in the fluid while the fluid discharged from (1) flows along the discharge pipe, collision members having a predetermined shape may be built in. Such impingement members may have a form in which a diameter gradually increases in the flow direction of the fluid as shown in FIGS. 10A and 10B, or may be provided in a structure in which a plurality of panel layers are arranged as shown in FIG. 10C. . Both ends of the impingement member in the interior 61 of the discharge pipe 6 are preferably spaced at least a predetermined distance from the inner wall of the discharge pipe to enable the flow of fluid along the discharge pipe 6.

First, according to FIG. 10A, the collision member includes a main body 62 having a structure gradually expanded in the flow direction and a plurality of partition walls extending in the circumferential direction at regular intervals on the surface of the main body to be in close contact with the inner surface of the discharge pipe 6. 63 may be formed, and each partition 63 may be provided in a structure in which passage holes 64 having a predetermined size are formed to allow fluid to pass therethrough. In addition, in the case of FIG. 10B, the collision member may be provided in a structure in which a helical groove 62 or a helical protrusion 63 is formed along the length end of the main body portion 62 of the structure gradually expanded in the flow direction and the surface of the main body portion. In addition, in the case of FIG. 10C, the collision member has a form in which a plurality of panel layers 62 are arranged inside the discharge conduit 6, and a plurality of protrusions 63a having various shapes on the upper and lower surfaces of each panel layer 62. , 63b) may be formed.

FIG. 11 shows another configuration example of the nano-micro bubble generator of FIG. 1, in which the nano-micro bubble generators 1, 1 ′, 1 ″ are on the pipeline connected to the pump 2 and this pipeline. It may be installed on at least two branch pipes branching from each other. In this case, the installation structure of the rotor and the stator provided inside each bubble generator 1, 1 ', 1 "is shown in FIGS. Shapes as shown may be selectively applied, and in such a configuration, the fluid discharged from the second and third bubble generators 1 'and 1 "may have a first bubble along the respective discharge conduits 6a and 6b. It is possible to gather and flow into the discharge conduit 6 of the generator 1. Further, although not shown in the figure, the additional nano-micro bubble generators 1 ', 1 "are not branched from the main conduit and are pumped. Can be installed on the individual conduits that are directly connected to (2), At least a part of the right conduit includes a venturi pipe structure (hereinafter, referred to as a 'venturi part') having a wide inlet and an outlet and a relatively narrow inside, and at least one gas / liquid supply part 4 on one side of the venturi part 3, 5) may be connected so that a predetermined gas (or liquid) is mixed with water (or liquid) in each conduit.

While various embodiments of the present invention have been described above, the contents described so far are merely illustrative of some of the preferred embodiments of the present invention, except as may be indicated in the appended claims below. It is not limited by the above description. Accordingly, it is understood that many changes, modifications, and substitutions of equivalents may be made by those skilled in the art without departing from the spirit and scope of the invention within the scope of the following claims. Should.

Claims (9)

A housing capable of flowing in and out of the fluid;
A plurality of rotors rotatably coupled to the inside of the housing; And
A plurality of stators fixed inside the housing and alternately disposed with the plurality of rotors,
At least one of the rotor and the stator has a mesh structure formed with a plurality of flow passages of the fluid,
The rotor and the stator are disposed adjacent to the fluid flowing through the flow passage to generate a collision, friction and cavitation by the rotation of the rotor, so that the fluid at least one of nano bubbles and micro bubbles Generation,
The housing has a circular cross section,
And the plurality of rotors and the plurality of stators are disc shaped members.
The method of claim 1,
Further comprising a rotating shaft rotatably installed inside the housing,
The plurality of rotors are coupled to the rotation axis to rotate with the rotation axis, nano-micro bubble generating device.
The method of claim 1,
Nano-micro bubble generating device further comprises a motor for rotating the plurality of rotors.
delete The method of claim 1,
And the rotor and the stator are disposed side by side to face each other.
The method of claim 1,
The mesh-like structure is a nano-micro bubble generating device, wherein the lattice members cross each other to form a plurality of the flow passages.
The method of claim 6,
The mesh-like structure is a nano-micro bubble generating device is formed in a plurality of cross bars and a plurality of longitudinally crossing each other.
The method of claim 7, wherein
The plurality of cross bars and the plurality of cross bars are formed at the same height on the same plane, the mesh-like structure is a flat structure, nano-micro bubble generating device.
The method of claim 7, wherein
The plurality of rungs are disposed on the plurality of rungs, the mesh-like structure is made of a stepped structure having a height difference by the plurality of rungs, nano-micro bubble generating device.

Images