JP2001300276A - Bubble generating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bubble generating device being excellent in washing performance and cleaning performance although the device is compact, a bubble generating method, and a bubble supply system. SOLUTION: A suction passage 2 connected to the suction side of a booster pump 1 is provided with a fluid suction system 100 having a gas introduction part 3 sucking the atmosphere by the negative pressure generated by driving a booster pump 1. A delivery passage 4 connected to the delivery side of the booster pump 1 is provided with a fine bubble generating system 200 generating fine bubbles 14 from a mixed fluid consisting of liquid discharged from the booster pump and gas. A connection passage 5 connected to the delivery passage 4 is provided with a jet bubble generating system 300 generating jet bubbles 30 from the mixed fluid. As a result, the fine bubbles 14 and the jet bubbles 30 can be generated by one device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air bubble generating device capable of generating different types of air bubbles.

[0002]

2. Description of the Related Art A bubble generated by mixing a liquid and a gas includes a jet bubble (hereinafter, referred to as a jet bubble) which is vigorously discharged at the time of outflow.
There are fine bubbles (hereinafter, referred to as "milky bubbles") which are lipophilic and have excellent detergency against oily stains. Devices for generating such bubbles are currently used in various forms. For example, those applied to bathtubs installed in buildings, those applied to cleaning and massage equipment such as aesthetic and medical services,
Alternatively, there is one applied to a pollution purification device for lakes, rivers, water storage areas, and industrial wastewater. In the bubble generation device used in such a form, jet air bubbles are generated by mixing air with the liquid sucked by the pressure pump, or high-pressure gas is injected into the liquid using a device such as a compressor. Then, the gas is melted in the liquid, and the pressure of the liquid in which the gas is melted is released to generate milky bubbles.

[0003]

Milky bubbles have a lipophilic property and excellent detergency, but have a low diffusion rate, so that a large number of discharge parts must be provided for wide-range use. To generate a large amount of gas, a large amount of gas must be dissolved in the liquid, and the pressure of the supplied gas must be increased. These two factors increase the device configuration. Jet bubbles have a jetting pressure, so they are excellent in massage effect and fluidity, but they have the property of being less cleansing and purifying than milky bubbles. An object of the present invention is to provide an air bubble generation device, an air bubble generation method, and an air bubble supply system which are compact but have excellent purification performance and cleaning performance.

[0004]

SUMMARY OF THE INVENTION The present invention makes it possible to simultaneously generate both milky bubbles, which are fine bubbles, and jet bubbles, which are jetting bubbles, so as to make up for each other's deficiencies while taking advantage of each other's excellent actions. It was made.

According to the first aspect of the present invention, a fluid suction system having a gas introduction portion provided in a suction flow passage connected to a suction side of a pressurizing pump, and a fluid suction system provided in a discharge flow passage connected to a discharge side of a pressurizing pump. A microbubble generating system for generating microbubbles from a mixed fluid of liquid and gas discharged from the pressurizing pump, and a jet bubble provided in a connecting flow path connected to the discharge flow path and generating jet bubbles from the mixed fluid It is characterized by having a generation system. According to such a configuration, it is possible to generate both the fine bubbles and the jet bubbles by the same device.

According to a second aspect of the present invention, in the bubble generating apparatus according to the first aspect, either one of the fine bubble generating system and the jet bubble generating system, or both of them are provided so as to be selectively usable. I have. For this reason, when only one of the microbubble and the jet bubble is required as the part to supply the bubble, a generating system that generates the corresponding bubble may be used.

[0007] The invention described in claim 3 is claim 1 or 2.
In the bubble generation device described above, the fine bubble generation system is provided on the discharge side of the gas dissolving unit that agitates the mixed fluid and dissolves the gas in the mixed fluid in the liquid, and is provided on the discharge side of the gas dissolving unit. A micro-bubble generating unit that applies pressure to the passing mixed fluid and releases the pressure of the mixed fluid that has passed through the gas dissolving unit and melted the gas to generate micro-bubbles,
It is characterized by having a fine bubble discharging path for discharging the generated fine bubbles.

According to a fourth aspect of the present invention, in the bubble generating apparatus according to the third aspect, the gas dissolving section is disposed inside the casing with a hollow casing provided with a spiral flow path for flowing a mixed fluid. And an agitator. A fifth aspect of the present invention is characterized in that, in the bubble generating apparatus according to the fourth aspect, at least two agitators are arranged in series in the casing such that the spiral directions of the spiral flow paths are different from each other. According to a sixth aspect of the present invention, in the bubble generating device according to the fourth or fifth aspect, the gas dissolving section is configured to apply a pressure of 20 to a mixed fluid flowing therethrough.
It is characterized in that centrifugal force with an angular acceleration in the range of G to 100 G is given to distribute the fluid.

[0009] The invention according to claim 7 is the invention according to claims 1 to 6.
In the bubble generation device according to any one of the above, the injection bubble generation system has passed through the flow rate adjustment unit, which is provided in the connection flow path and controls the constant flow of the mixed fluid discharged from the pressure pump, and the flow rate adjustment unit. It is characterized by having an injection bubble generation unit that mixes a new gas with the mixed fluid to generate injection bubbles.

[0010] According to an eighth aspect of the present invention, in the bubble generating apparatus according to the seventh aspect, the jet bubble generating unit includes a mixing channel through which the mixed fluid passed through the flow rate adjusting unit flows, and a gas into which a new gas is introduced. And a flow path, wherein the outflow end of the mixing flow path is provided on the inner side of the gas flow path from the outflow end of the gas flow path. The feature is that a mixing space is formed between them.

The invention according to claim 9 relates to a bubble generation method, wherein liquid and gas are sucked from a suction side of a pressure pump and pressure is applied to a mixed fluid of liquid and gas discharged from a discharge side of the pump. The gas in the mixed fluid is melted into a liquid by introducing it into the gas dissolving section with a spiral flow path and stirring it, and the mixed fluid in which this gas is dissolved is released in pressure by the fine bubble generating section to release fine bubbles. In addition to the generation, the mixed fluid discharged from the pressurizing pump is guided to an injection bubble generation unit, and a new gas is introduced into the injection bubble generation unit to generate an injection bubble.

The invention according to claim 10 relates to a bubble supply system, and relates to a fluid suction system having a gas introduction portion provided in a suction flow passage connected to a suction side of a pressure pump, and a discharge connected to a discharge side of the pressure pump. A microbubble generation system that is provided in a flow path and generates microbubbles from a mixed fluid of a liquid and a gas discharged from the pressurizing pump; and a jetting bubble from the mixed fluid that is provided in a connection flow path connected to a discharge flow path. The system is provided with a jet bubble generation system for generating, and is characterized in that fine bubbles and jet bubbles are selectively or simultaneously supplied to a cleaning target or a purification target.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. The air bubble generating device shown in FIG. 1 includes an air suction valve 3 as a gas introduction unit provided in the middle of a suction flow path 2 connected to a suction side of a pressure pump 1 as a suction means.
And a discharge port 1 of the pressure pump 1
B, which is provided on the discharge flow path 4 leading to B and generates a milky bubble 14 as a fine bubble from a mixed fluid of the liquid discharged from the pressure pump 1 and the air sucked by the air suction valve 3. 200, and a jet bubble generation system 300 that is provided in the connection channel 5 connected to the discharge channel 4 and generates a jet bubble 30 as a jet bubble from the mixed fluid.

The suction flow path 2 constituting a part of the fluid suction system 100 is stored in a flow path pipe 2A connected to a suction port 1A of the pressure pump 1 and a bathtub 60 which is an example of a water storage section. A split pipe 2A which is put in water 9 which is an example of a liquid, and has a water absorption foot valve 7 at an end. A priming valve 6 is provided in the flow pipe 2A near the suction port 1A. The atmospheric suction valve 3 is mounted on a flow pipe 2A between the priming valve 6 and the coupler 8. The atmosphere suction valve 3 is opened by using a negative pressure generated when the pressure pump 1 is driven and the pump sucks water 9, and supplies the atmosphere to the flowing water pipe 2A. In the pressurizing pump 1, a base 1C is fixed or installed on a base (not shown) via a vibration isolating member 10. In this embodiment, an overflow pump is used as the pressurizing pump 1. However, when a large discharge amount is obtained, a spiral pump may be used.

The microbubble generating system 200 instantaneously dissolves the mixed fluid discharged from the pressure pump 1 and dissolves the air in the mixed fluid into the mixed fluid water 9 as an instantaneous air dissolving device 11 ( Hereinafter, "Dynamic Line Mixer 1
1), a pressure regulating valve 12 provided on the discharge side of the dynamic line mixer 11 for generating milky bubbles 14 as a fine bubble generation unit, and a fine bubble discharge passage 13 for discharging the generated milky bubbles 14. And The milky bubbles 14 are very fine bubbles having a peak distribution of 3 microns in diameter.

The dynamic line mixer 11 has a hollow casing, for example, a cylindrical casing 15 having both ends opened.
And a plurality of stirrers 16. Each stirring body 16
Is a screw member forming a spiral flow path 17 through which the mixed fluid flows, as shown in FIG.
Are arranged in series inside the casing 15 so that the torsion directions are different from each other. In the present embodiment, the four agitating bodies 1 are arranged such that the twisting direction alternates clockwise and counterclockwise when viewed from the inflow end 11A side of the casing 15.
6 is arranged in the casing 15. On the inflow end 11A side of the dynamic line mixer 11, a support plate 37 having an opening is provided. Each stirring section 16 inserted into the casing 15 is pushed from the discharge end 11B side of the dynamic line mixer 11 toward the support plate 37, and the stirring section 16 located near the discharge end 11B is supported by the support plate 3.
By fixing with a support plate having the same configuration as that of 7, the positioning is fixed in the casing 15.

The dynamic line mixer 11 is set so as to apply a centrifugal force of a predetermined range of angular acceleration to a mixed fluid flowing through the dynamic line mixer 11 to flow the mixed fluid. This predetermined range is preferably 20 G to 100 G, and more preferably about 40 G. This is because when the angular acceleration for generating the centrifugal force with respect to the mixed fluid is 20 G or less, the amount of the air in the mixed fluid that dissolves in water is small, and when the angular acceleration generates a high centrifugal force exceeding 100 G, the flow is Road resistance is large,
This is because the amount of the mixed fluid discharged from the dynamic line mixer 11 decreases. In FIGS. 1 and 2, the arrow indicated by the symbol A indicates the flow of the mixed fluid.

An embodiment of the dynamic line mixer 11 In a metal casing 15 having an inner diameter of 19.4 mm, a flow path width P
The stirrer 16 made of a metal having a length of 51 mm, a length of 51 mm, a spiral thickness T of 1 mm, and a channel depth R of 7 mm is alternately inserted to form a spiral channel 17 having a different twist direction.

The pressure regulating valve 12 is a fine bubble discharge passage 1 connected to the discharge end 11B of the dynamic line mixer 11.
3 is mounted on the flow path tube 13A. Pressure regulating valve 12
Is to apply pressure to the mixed fluid passing through the dynamic line mixer 11 and release the pressure of the mixed fluid that has passed through the dynamic line mixer 11 and has sufficiently melted the atmosphere. In the present embodiment, the pressure of the pressurized water is set to be about 6 kg / cm ^{2 to} 10 kg / cm ² . The pressure of the pressurized water of the pressure control valve 12 is not limited to this pressure, and takes into consideration the relationship with the centrifugal force applied to the mixed fluid and the size of the milky bubbles 14 generated by passing through the pressure control valve 12. And may be set appropriately.

The fine air bubble discharge path 13 includes a flow path pipe 13A,
And a split pipe 13B having a discharge portion 18. The outlet 18 is located in the water in the present embodiment, and the generated milky bubbles 14 are supplied into the water.

The jet bubble generating system 300 is provided in the connection flow path 5 and controls the flow rate of the mixed fluid discharged from the pressurizing pump 1 at a constant flow rate.
And an ejector 21 serving as a jet bubble generating unit for mixing the mixed fluid passing through 0 with the atmosphere as a new gas to generate jet bubbles. The connection flow path 5 includes a flow path pipe 5A connected to the discharge flow path 4 and a split pipe 5B to which the ejector 21 is attached on the outflow side.
The valve pressure of the constant flow valve 20 can ensure a flow rate that can generate the jet bubbles 30 well, and is set to a valve pressure larger than the discharge pressure of the mixed fluid discharged from the pressurizing pump 1.

As shown in FIG. 3, the ejector 21 has a mixing flow path 23 through which the mixed fluid having passed through the constant flow valve 20 flows.
And a gas pipe 24 into which the atmosphere is introduced. That is, the ejector 21 has a double structure in which one end is closed by the shielding plate 27 and the other end 5C of the divided pipe 5B is disposed inside the cylindrical member 25 having the ejection port 21A by penetrating the shielding member 27. The gas flow path 24 is formed between the outer peripheral surface 5D of the divided pipe 5B and the inner peripheral surface 25A of the tubular member 25. Rather than a configuration in which the divided pipe 5B is directly disposed inside the tubular member 25, individual pipes are disposed, one end of which is supported by the shielding member 27, and the divided pipe 5B is attached to the end of the supported pipe. The inside of the tube may be connected to form a mixing channel.

Division pipe 5 at the outflow end of mixing channel 23
The end face 5E of B is disposed so as to be located inside the gas flow path 24 with respect to the end face 25A of the tubular member 25 which is the outflow end of the gas flow path 24, and the distance between the outflow side ends L, that is, the end face A mixing space 28 is formed between 5E and the end face 25A.
The length L between the outflow side ends is preferably about 10 mm to 50 mm. The distance L between the outflow-side ends may be appropriately set according to the size and generation amount of the bubble particles of the jet bubble 30. At the shielding member 27, an air introduction pipe 29, one of which is opened to the atmosphere,
The tip 29A is attached so as to be located in the gas flow path 24.

The connection between the flow pipe 2A and the split pipe 2B, the connection between the flow pipe 5A and the split pipe 5B, and the connection between the flow pipe 13A and the split pipe 13B are opened when they are connected to each other. Well-known coupler 8, which has the function of closing when the
22 and 19 (hereinafter referred to as “water-absorbing coupler 8”, “jet-bubble coupler 22”, and “fine-bubble coupler 19”), respectively. The water absorption channel 2, the connection channel 5, and the fine bubble discharge channel 13 are each configured to be dividable at each coupler. For this reason, the fluid suction system 100 excluding the split tube 2B, the jet bubble generating system 300 excluding the split tube 5B and the ejector 21, and the fine bubble generating system 200 excluding the split tube 13B are configured as one unit. The portability, installation, portability, etc. have been improved. Since the connection flow path 5 and the fine bubble discharge path 13 can be divided at the respective couplers, either the detachable fine bubble generation system 200 or the jet bubble generation system 300 can be selectively attached and detached by dividing the tubes 5B and 13B. It is provided so that either one can be used selectively. In the present embodiment, the ejector 21 is a jet bubble 30 ejected from the ejection port 21A.
Are provided so as to flow near the supply of the milky bubbles 14.

The bubble generation step and the supply operation by the bubble generation apparatus having such a configuration will be described. When the bubble generating device is assembled as shown in FIG. 1 and the pressurizing pump 1 is driven, the water 9 in the bathtub 60 is removed from the water absorbing channel 2.
Is drawn into the pressurizing pump 1 and the air is sucked in accordance with the negative pressure generated in the flow path tube 2A at this time. The sucked water 9 and the atmosphere are supplied as a mixed fluid from the discharge port 1B of the pressurizing pump 1 to the dynamic line mixer 11 via the discharge flow path 4 and also through the constant flow valve 20 and the dividing pipe 5B. The water is also supplied to the ejector 21 located in the water in the bathtub 60.

The mixed fluid supplied to the dynamic line mixer 11 is increased in pressure by the discharge pressure from the pressure pump 1, the set pressure of the constant flow valve 20, and the throttle action of the pressure control valve 12, and flows through the spiral flow path 17. Flow, centripetal and centrifugal forces are provided. For this reason, in the spiral flow path 17, the mixed fluid flows while circling with great momentum, the air having a specific gravity lower than that of water is collected at the center side of the spiral flow path 17, and the water 9 flows into the spiral flow path 17.
Gathered outside. That is, the mixed fluid is stirred at high speed in the dynamic line mixer 11, and the atmosphere is dissolved in the water 9.

The mixed fluid that has passed through the dynamic line mixer 11 is supplied as a gas-dissolved liquid to a pressure regulating valve 12, and the pressure is released by passing through the valve.
For this reason, the atmosphere in the gas-dissolved liquid diffuses instantaneously,
Milky bubbles are generated. Milky bubbles 1 generated
4 is successively extruded, passes through the fine bubble discharge path 13, and is supplied into the bathtub from the discharge port 18 located in the water in the bathtub 60.

The mixed fluid supplied to the ejector 21 blows out from the tip 5C of the divided pipe 5B due to the discharge pressure, and the atmosphere is introduced into the gas flow path 24 through the atmosphere introduction pipe 29 by the negative pressure generated at this time. Is done. The introduced atmosphere is atomized by the mixed fluid ejected in the mixing space 28 and blown off to form jet bubbles 30,
The water is supplied from the jet port 21A into the water.

As described above, the milky bubble 1
Since both the jet bubbles 4 and the jet bubbles 30 can be generated at the same time, the fine and poorly diffusible milky bubbles 14 are spread over a wide area in the bathtub 60 by the jet bubbles 30. For this reason, for example, when a person takes a bath in the bathtub 60 as a washing target, the milky bubbles 14 can be supplied to a person who is taking a bath in a wide range, and a plurality of paper discharge units 18 do not need to be installed. Further, since the water 9 is melted by pressurizing the water 9 without using a large-sized device such as a compressor to melt the atmosphere into the water 9, the size of the device can be reduced. Further, the water pressure of the jet bubble 30 can provide an effect of washing the skin with shock vibration and a massage effect.

In order to efficiently spread the milky air bubbles 14 in the bathtub 60 and supply the same to the person to be cleaned, the paper discharge section 18 and the ejection port 21A of the ejector 21 are arranged in a positional relationship facing each other. Is preferred. Milky bubbles 1
Although a certain degree of diffusion can be expected by simply applying a water flow to 4, the water flow is attenuated by the resistance of the water 9 in the bathtub 60 when only the water flow is used. That point jet bubble 3
It is preferable that the diffusion is performed using 0 because the attenuation rate is small compared to the case where only the water flow is used.

In this embodiment, the plurality of agitating bodies 16 are arranged in series so that the directions of the spiral flow paths 17 are opposite to each other. The arrangement may be such that one stirrer 16 is used instead of a plurality of stirrers 16. Although the present embodiment has been described with a configuration in which one dynamic line mixer 11 is disposed in the discharge flow path 4, the discharge flow path 4
May be arranged in parallel or branched into a plurality, and the dynamic line mixer 11 may be arranged in each.

In the present embodiment, the paper discharge unit 18 and the ejector 2
1 and 2 are arranged in the water, but they may be arranged near the water surface. In the present embodiment, the configuration is such that both the milky bubble 14 and the jet bubble 30 are generated at the same time. However, a configuration in which both are selectively generated may be of course. The simplest method of selectively generating the milky bubbles 14 and the jet bubbles 30 is to selectively attach and detach the dividing path 5B or the dividing path 13B.

FIG. 5 is a view showing an example in which the dividing path 5B is removed from the jet bubble coupler 22. When the division path 5B is separated from the flow pipe 5A at the jet bubble coupler 22, the flow pipe 5A is closed by the jet bubble coupler 22, so that the jet bubble generation system 300 does not function. For this reason, the mixed fluid discharged from the pressurizing pump 1 is supplied to only the dynamic line mixer 11 via the discharge flow path 4, and only the milky bubbles 14 are generated. In this case, since the diffusion rate of the milky bubbles 14 is low, it can be said that the milky bubbles 14 are preferably used in a system for supplying the milky bubbles 14 in a narrow region to perform partial cleaning or partial purification.

FIG. 6 is a diagram showing an example in which the dividing path 13B is removed from the fine bubble coupler 19. When the dividing path 13B is separated from the flow path tube 13A by the fine bubble coupler 19, the flow path tube 13A is closed by the coupler 19, so that the fine bubble generation system 200 does not function. Therefore, the mixed fluid discharged from the pressurizing pump 1 does not flow into the dynamic line mixer 11 but flows from the discharge flow path 4 through the constant flow valve 2.
0 flows into the connecting flow path 5 in which the ejector 21 is mounted.
And only the jet bubble 30 will be generated.

FIGS. 7 and 8 show an example of a system using the bubble generating apparatus according to the present invention. This system is a cleaning massage system in which a separation tube 13B for discharging the generated milky bubbles 14 and an ejector 21 for jetting the jet bubbles 30 are mounted on a hemispherical container 41 attached to a base table 43. Since the bubble generating device applied to the present system uses substantially the same configuration as the bubble generating device shown in FIG. 1, detailed description will be omitted. In the present system, the separation tube 13B and the ejector 21 are respectively connected to the discharge portion 18 and the ejection port 21A by the inner peripheral surface 41 of the container 41.
A is attached to the container 41 so as to face the liquid stored in the container 41 from A. The container 41 has a size such that a part of a human body to be cleaned, for example, the head 40, can be accommodated therein.
Its volume is smaller than that of the bathtub 60 or the like. In the case of the present system, the fluid suction system 100
Then, water is sucked from a water tank (not shown) prepared separately. The pressure regulating valve 12 and the constant flow valve 20 are each an electromagnetic valve, and each electromagnetic valve is controlled to open and close by a controller, for example, at a predetermined time or at a predetermined temperature.

The order of supplying the bubbles is as follows: first, the milky bubbles 14 are generated to wash the face to be cleaned, then the jet bubbles 30 are generated and jetted from the jet port 21A to remove the massage effect and dirt. It is good to wash off.
Since the water level rises when the milky bubbles 14 and the jet bubbles 30 are supplied into the container 41, a drain port 42 for overflow is provided.

FIGS. 9 and 10 show another example of a system using the bubble generating apparatus according to the present invention. This system is
A separation tube 13B for discharging the generated milky bubbles 14,
This is a cleaning system in which an ejector 21 for jetting jet bubbles 30 is attached to a dressing table 53, and is attached to a substantially spherical container 51 partially open. Since the bubble generating device applied to the present system uses substantially the same configuration as the bubble generating device shown in FIG. 1, detailed description will be omitted.
In the present system, the ejection port 21 of the ejector 21
A is disposed diagonally above the container 51. Reference numeral 52 denotes a drain outlet, and reference numeral 54 denotes a snoop for arbitrarily closing the drain outlet 52. The separation tube 13B is inserted in the vicinity of the uppermost portion of the container 51, and is inserted into the distal end thereof from the space side of the container 51 so that the nip 55 is located in the space. That is, in this system, the milky bubble 14 and the jet bubble 30
Is supplied into the space. Also in the case of the present system, the fluid suction system 100 sucks water from a water tank (not shown) prepared separately from the container 51. Each of the pressure regulating valve 12 and the constant flow valve 20 is an electromagnetic valve, and each electromagnetic valve is controlled to open and close by a controller at a predetermined time or at a predetermined temperature, for example.

In the present system, for example, when the hand 50 to be cleaned is inserted into the space of the container 51, the state is detected by a sensor (not shown), and the milky bubbles 14 are first generated and discharged from the nip 55. . Nip 5
The milky bubbles 14 discharged from 5 fall naturally and fall on the hand 50. Then, when a predetermined time has elapsed, the generation of the milky bubbles 14 is stopped, that is, the function of the fine bubble generation system 200 is stopped by controlling the valve, and the jet bubble generation system 300 is activated to jet the jet bubbles 30 to the hand. To remove the dirt of the hands together with the milky bubbles 14. Here, the predetermined time is a time during which the hands are washed by the milky bubbles 14. In this manner, the milky bubbles 14 and the jet bubbles 30 may be supplied from a space without being supplied to the object to be cleaned from underwater.

The bubble generating apparatus according to the present invention can be applied to a foot massage device for putting a movable bathtub or a foot in a container, a washing machine, a dishwasher, etc. Machine. Also,
If the purification function is mainly used, ponds, lakes and marshes
The present invention can be applied to a pollution control device that supplies air bubbles to a target to be purified, such as a river, a reservoir, or industrial wastewater, or to a liquid circulation device or the like.

[0040]

According to the present invention, both fine bubbles and jet bubbles are generated by the same device without using a device such as a compressor, so that the fine bubbles having a low diffusion rate are sufficiently diffused by the jet bubbles. Therefore, it is possible to provide an air bubble generation device, an air bubble generation method, and an air bubble supply system which are compact and have excellent purification performance and cleaning performance.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating an overall configuration of a bubble generation device according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view showing a configuration of a gas dissolving section used in a fine bubble generation system.

FIG. 3 is an enlarged cross-sectional view illustrating a configuration of an injection bubble generation unit in the injection bubble generation system.

FIG. 4 is a diagram illustrating a configuration of a unit unit of the bubble generation device.

FIG. 5 is a diagram illustrating a state of the bubble generation device and a supply state of fine bubbles when the ejection bubble generation unit of the ejection bubble generation unit is removed.

FIG. 6 is a diagram showing a state of the bubble generation device and a supply state of jet bubbles when the fine bubble discharge path of the fine bubble generation system is removed.

FIG. 7 is an enlarged cross-sectional view showing a configuration of a main part of a system to which the bubble generation device according to the present invention is applied and a supply state of fine bubbles.

FIG. 8 is an enlarged cross-sectional view showing a supply state of a jet bubble in the system shown in FIG. 7;

FIG. 9 is an enlarged cross-sectional view showing a configuration of a main part of another system to which the bubble generation device according to the present invention is applied, and a supply state of fine bubbles.

FIG. 10 is an enlarged cross-sectional view showing a supply state of a jet bubble in the system shown in FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pressurizing pump 2 Suction flow path 3 Gas introduction part 4 Discharge flow path 5 Connection flow path 5E Outflow side end of mixing flow path 11 Gas dissolving part 14 Microbubbles 12 Microbubble generation part 13 Microbubble discharge path 15 Hollow Casing 16 Stirrer 17 Spiral flow path 20 Flow rate adjusting unit 21 Injection bubble generation unit 23 Mixing flow path 24 Gas flow path 25A Outflow end of gas flow path 28 Mixing space 30 Injection bubble 40, 50 Purification target 100 Fluid suction system 200 Fine bubble generation system 300 Injection bubble generation system L Between ends on the outflow side

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) C02F 3/22 C02F 3/22 B (71) Applicant 500188842 Masaru Nakatsuka 706-13 Tominami Otsu, Yasu-cho, Yasu-gun, Shiga Prefecture ( 72) Inventor Isao Endo 1188 Abe Abe, Yonago City, Tottori Pref. AE13

Claims (10)

[Claims] 1. A fluid suction system having a gas introduction portion provided in a suction flow passage connected to a suction side of a pressure pump, and a pressure suction pump provided in a discharge flow passage connected to a discharge side of the pressure pump. A micro-bubble generation system that generates micro-bubbles from a mixed fluid of liquid and gas discharged from, and an injection-bubble generation system that is provided in a connection flow path connected to the discharge flow path and generates an injection bubble from the mixed fluid. A bubble generation device having: 2. The bubble generating apparatus according to claim 1, wherein one or both of the fine bubble generating system and the jet bubble generating system are provided so as to be selectively used. 3. The bubble generating apparatus according to claim 1, wherein the fine bubble generating system is configured to agitate the mixed fluid to dissolve a gas in the mixed fluid into a liquid; Provided on the discharge side of the dissolving section, while applying pressure to the mixed fluid passing through the gas dissolving section, releasing the pressure of the mixed fluid that has passed through the gas dissolving section and melted the gas to release fine bubbles. An air bubble generation device having a fine air bubble generation unit that generates a fine air bubble and a fine air bubble discharge path that discharges the generated fine air bubbles. 4. The air bubble generating device according to claim 3, wherein the gas dissolving section is provided with a hollow casing and a spiral flow path for flowing the mixed fluid, and a stirring body disposed inside the casing. And a bubble generation device having: 5. The bubble generating apparatus according to claim 4, wherein at least two of the stirring bodies are arranged in series in the casing so that the spiral flow paths of the stirring bodies have different twisting directions. 6. The air bubble generating device according to claim 4, wherein the gas dissolving section applies a centrifugal force of an angular acceleration in a range of 20 G to 100 G to the mixed fluid flowing therein to flow the air. Generator. 7. The bubble generation apparatus according to claim 1, wherein the jet bubble generation system is provided in the connection flow path, and controls the mixed fluid discharged from the pressurizing pump. An air bubble generation device comprising: a flow rate adjustment unit for controlling flow, and an injection bubble generation unit that mixes a new gas with a mixed fluid passing through the flow rate adjustment unit to generate an injection bubble. 8. The bubble generation device according to claim 7, wherein the injection bubble generation unit includes a mixing flow path through which the mixed fluid that has passed through the flow rate adjustment unit flows, and a gas flow path through which new gas is introduced. A double-pipe structure, wherein the mixing flow path is provided such that the outflow-side end of the mixing flow path is located inside the gas flow path from the outflow-side end of the gas flow path, and mixing is performed between the outflow-side ends. A bubble generation device that forms a space. 9. A liquid and a gas are sucked from a suction side of a pressure pump, pressure is applied to a mixed fluid of the liquid and the gas discharged from a discharge side of the pump, and the mixture is introduced into a gas dissolving section having a spiral flow path. The gas in the mixed fluid is melted into a liquid by stirring, and the mixed fluid in which the gas is dissolved is released into pressure by the fine bubble generating unit to generate fine bubbles, and is discharged from the pressure pump. A bubble generation method in which a mixed fluid is guided to a jet bubble generation unit, and a new gas is introduced into the jet bubble generation unit to generate jet bubbles. 10. A fluid suction system having a gas introduction part provided in a suction flow passage connected to a suction side of a pressure pump, and a pressure suction pump provided in a discharge flow passage connected to a discharge side of the pressure pump. A micro-bubble generation system that generates micro-bubbles from a mixed fluid of liquid and gas discharged from the nozzle, and an injection-bubble generation system that is provided in a connection flow path connected to the discharge flow path and generates injection bubbles from the mixed fluid. A bubble supply system for selectively supplying the fine bubbles and the jet bubbles to the object to be cleaned or the object to be purified at the same time.