JP4194522B2 - Gas-liquid mixed bubble generator - Google Patents

Description

  The present invention relates to a gas-liquid mixed bubble generating apparatus capable of easily producing bubble-containing water such as microbubble-containing water even in general households.

  In recent years, efforts to contaminate domestic water and water quality of its water source have become a social problem. Therefore, attention has been focused on microbubbles that have an effect of increasing dissolved oxygen in water, adsorbing on pollutants, and aggregating pollutants. Microbubbles are also excellent in diffusibility in water, and these points are thought to be effective in purifying a wide range of water quality and raising aquatic animals.

  Various methods for generating microbubbles are disclosed. For example, a method of generating microbubbles by dissolving a gas in water under pressure and releasing to atmospheric pressure (for example, see Patent Document 1), a method of generating by a shearing action by swirling flow (for example, see Patent Document 2) ), A method of causing bubbles to collide with the collision plate at high speed (for example, refer to Patent Document 3), a method of generating by cavitation of a pump impeller (for example, refer to Patent Document 4), and a negative pressure in the ejector using an ejector. Examples include a method of generating a part (for example, refer to Patent Document 5), a method of allowing water to pass through an orifice having a special shape (for example, refer to Patent Document 6), and the like.

However, these systems require a large-scale apparatus or noise, and an apparatus for easily producing microbubble-containing water in a general household is desired.
Japanese Patent Laid-Open No. 5-42190 (Claims) JP 2003-225546 A (Claims) JP-A-10-244121 (Claims) JP 2001-179064 A (Claims) Japanese Patent Laid-Open No. 5-15893 (Claims) JP-A-5-38354 (Claims)

  An object of the present invention is to provide a gas-liquid mixed bubble generating device that can easily produce microbubble-containing water even in general households. In the present specification, microbubbles refer to bubbles having a diameter on the order of 1 to several tens of micrometers.

The gist of the present invention is that an aspirator that mixes a liquid and a gas is provided downstream from a liquid discharge port of the aspirator, including a flow path that allows liquid to pass through and a gas introduction path that introduces the gas to be sucked. A hollow portion in which a plurality of elongated plate-like ridges are formed in a spiral shape with the longitudinal direction as an axis on the inner peripheral wall, and the mixture of liquid and gas discharged from the aspirator is conducted in the hollow portion. a tubular body you fine bubbles was stirred while swirling spirally, wherein the connecting hose interposed between the aspirator and the water tap, is connected at one end to the gas inlet passage, the other end a gas introduction passage air And an air tube hose that is open to be sucked into the air .

The tubular body is made of an elastic resin, and can be twisted about the axis of the tubular body as a central axis, and includes a twist maintaining means for maintaining the twisted state of the tubular body. The twist angle of the state can be made variable.

  ADVANTAGE OF THE INVENTION According to this invention, the gas-liquid mixed-bubble generator which can be easily connected to a tap of a water supply and can manufacture microbubble containing water is provided even in a general household.

  Embodiments of the gas-liquid mixed bubble generating apparatus of the present invention will be described with reference to the drawings. In addition, in this specification, the same code | symbol written over each figure shows the same or similar member and thing. As shown in FIG. 1, the gas-liquid mixed bubble generating device 2 of the present invention is a device that is connected to a faucet 100 that is a discharge port for liquid such as tap water and generates microbubbles in the water discharged from the faucet 100. is there. The gas-liquid mixed bubble generating device 2 is configured to include a main body portion 4 and connecting means 6 for connecting the main body portion 4 to the faucet 100.

  The connecting means 6 includes a connection hose 8 that is interposed between the main body 4 and the faucet 100 so that they are electrically connected to each other, and a faucet connector 10 for coupling one end of the connection hose 8 to the pipe tip 102 of the faucet 100. The other end of the connection hose 8 is configured with a main body connector 12 for coupling to the main body 4. The main body connector 12 is provided at one end of the main body 4.

  The faucet connector 10 is formed in a ring shape or a cylindrical shape that fits on the outer periphery of the pipe tip 102 of the faucet 100, is fitted into the pipe tip 102, and is fixedly attached by fastening with a fastening screw 104. 134, an inner cylinder 120 into which the connection hose 8 is inserted, an outer cylinder 121 whose diameter is tightenable on the outer periphery of the inserted connection hose 8, and a tightening ring 122 that is screwed into the outer periphery to tighten it. The connecting portion 130 is integrally connected, and the faucet mounting portion 134 is fixedly mounted on the pipe tip 102, and then the connecting hose 8 is fitted into the hose connecting portion 130 and the tightening ring 122 is tightened to tighten the connecting hose 8. The connection is configured. The main body connector 12 is also configured according to the faucet connector 10.

  The configurations of the faucet connector 10 and the main body connector 12 are not limited to such a configuration, and various known methods for connecting the hose and the pipe tip can be employed.

  The main body 4 includes an aspirator 14 and a tubular body 16 that is provided downstream from the liquid discharge port 17 of the aspirator 14 and that conducts liquid (water) discharged from the aspirator 14. The aspirator 14 and the tubular body 16 are integrally assembled via a cylindrical holder 18 that holds the tubular body 16.

  The aspirator 14 includes a cylindrical aspirator piece 70 and an aspirator cap piece 72 that is integrally coupled to the aspirator piece 70 and that has a gap 74 between the aspirator piece 70.

  The aspirator 14 includes a flow path 20 through which liquid (represented by water) is accelerated by a back pressure such as water pressure of water and an external gas (represented by air). Is provided with a gas introduction path 22 that is sucked and introduced at a negative pressure generated by the flow of the liquid. Near the outlet 24 of the flow path 20, a mixing chamber 28 is formed in which water discharged from the flow path 20 and air discharged from the outlet 26 of the gas introduction path 22 flow in and mix. The outlet 26 is connected to the gap 74. A mixture of water and air discharged from the mixing chamber 28 flows into the hollow portion 30 of the tubular body 16.

  The gas introduction path 22 is connected to one end 40 of a small diameter air pipe hose 38 at the gas introduction path inlet 36. The air tube hose 38 passes through the hollow portion of the connection hose 8, penetrates the tube wall of the connection hose 8, protrudes to the outside of the connection hose 8, and the other end 42 is open. The air pipe hose 38 includes an opening / closing adjustment valve 44 at an intermediate portion between the other end 42 and the pipe wall of the connection hose 8, and the flow rate of air sucked into the gas introduction path 22 is adjusted by adjusting the opening / closing adjustment valve 44. Is done.

  As shown in FIG. 2, the shape of the hollow part 30 of the tubular body 16 is occupied by a twisted body 34 (FIG. 3) formed by twisting three flexible long members 35 having a circular cross section such as a copper wire. The shape of the space. Thereby, a spiral ridge 32 having the longitudinal direction of the tubular body 16 as an axis is formed on the inner peripheral wall of the tubular body 16. FIG. 4 is an enlarged cross-sectional view of the tubular body 16.

  The mixture of water and air that has flowed into the hollow portion 30 of the tubular body 16 is guided to the ridges 32 and stirred while swirling in a spiral manner, whereby air bubbles in the water are refined and microbubbles are generated. .

  The water containing the microbubbles is discharged to the outside from the outlet 36 of the tubular body 16.

  As shown in FIG. 5, the tubular body may be a tubular body 16 a provided with an elongated plate-like projecting strip 32 a on the inner wall surface 33, but, like the projecting strip 32 illustrated in FIG. 4, A pair of curves 47 in which the outer cross-sectional shape perpendicular to the direction of the ridges protrudes toward the central axis 43 of the tubular body 16 at the central portion 41 and the gradient gradually increases from the root 45 of the ridge toward the central portion 41 is set. A combined chevron shape is preferred. When the ridge 32 has the side surface 39 that rises smoothly from the inner wall surface of the tubular body 16 with an arcuate gradient in this way, the water passing through the hollow portion 30 swirls smoothly, and bubbles of uniform size are obtained, which is preferable. .

  As described above, the ridges 32 are formed on the inner wall surface of the tubular body 16 as spiral continuous stripes. However, the ridges 32 are intermittently arranged along the inner wall surface of the tubular body 16 and formed. May be.

  When the ridges are formed on the inner wall surface of the tubular body 16 as a spiral continuous stripe, the shape of the hollow portion 30 is spirally continuous on the inner wall surface of the tubular body 16 (grooves). ) Can be expressed as a formed shape. A configuration in which a plurality of ridges are translated as in this case is also regarded as a configuration in which a plurality of ridges are translated, and the depression and the projection are regarded as expressing one shape in a different way.

Furthermore , as shown in FIG. 1, a magnet 50 may be provided. The magnet 50 is installed to face the outer peripheral surface of the holder 18 so that the N pole and the S pole are respectively arranged at positions with the hollow portion 30 therebetween.

  With this configuration, a magnetic field is formed in a path through which water passes, and when water passes through the magnetic field, water molecules are activated and the water molecule clusters are micronized. This activation and cluster miniaturization work synergistically with the action of microbubbles in the water, increasing the dissolved oxygen in the water, adsorbing to the pollutants, and aggregating the pollutants Increase the effect further.

  It is preferable that the water passing through the magnetic field spirally spiral in the tubular body 16 because the activation of water molecules and the miniaturization of the water molecule clusters are further promoted. Furthermore, the water is evenly exposed to the magnetic field by swirling in a spiral shape, and an efficient magnetic treatment is performed.

  As shown in FIG. 6, the magnet 50 may be disposed so that the N pole and the S pole sandwich the flow path 20 of the aspirator 14.

  In the gas-liquid mixed bubble generating apparatus of the present invention, the magnetic field may be generated by a normal permanent magnet. It may be made of a direct current or alternating current electromagnet. It may be a magnetic field generated in space by electromagnetic induction.

  In the present invention, the tubular body 16 may be formed of a thermosetting resin member such as a polyester resin or a phenol resin. In this case, a twisted body 34 (FIG. 3) is arranged at the center of a cylindrical mold obtained by shaping the outer periphery of the tubular body 16, and a precursor of a thermosetting resin is poured into the mold, and the precursor is polymerized. After obtaining the resin molded body and taking out the resin molded body from the mold, the resin molded body is divided into two, the twisted body 34 is taken out and removed, and the resin molded body is again formed into the original shape. Can be made by merging with

  The tubular body 16 is preferably formed from an elastic resin member having rubber elasticity such as silicon rubber. In the tubular body 16 having the shape shown in FIG. 2, a twisted body 34 (FIG. 3) is arranged at the center of a tubular mold whose outer periphery is shaped, and an elastic resin precursor is poured into the mold. Then, the precursor is polymerized to obtain a resin molded body. After the resin molded body is taken out of the mold, the twisted body 34 is pulled out from the resin molded body and removed.

  Examples of the elastic resin include elastomers such as polybutadiene, polyester, polyether, polyacryl, and natural rubber in addition to silicon rubber.

  When the tubular body 16 is made of an elastic resin member, the tubular body 16 set in the gas-liquid mixed bubble generating device 2 is shown in FIG. 7 as indicated by an arrow A with the longitudinal axis of the tubular body 16 as an axis. The spiral angle of the ridge 32 can be changed by twisting in the direction. In this case, for example, the movable ring 52 is fitted and fixed to the outer periphery of one end of the tubular body 16, and the fixed ring 54 is fitted and fixed to the outer periphery of the other end of the tubular body 16, and protrudes from the outer peripheral surface of the movable ring 52. The tubular body 16 can be twisted by rotating the lever 53 to be rotated in the direction of arrow B.

  FIG. 8 shows a main body 4a provided with such a twisting means 54. In FIG. 8, the tubular body 16 including the fixed ring 54 and the movable ring 52 is inserted into the hollow portion of the holder 18 together with the fixed ring 54 and the movable ring 52. The fixing ring 54 is fixed by a set screw 62 screwed into a screw hole 63 provided in the holder 18. The lever 53 protruding from the outer peripheral surface of the movable ring 52 is composed of a male screw body 56. An elongated hole 58 through which the lever 53 passes is formed in the holder 18. The long hole 58 is extended in the circumferential direction of the holder 18. When the tubular body 16 is twisted as shown in FIG. 7, the lever 53 is moved in the longitudinal direction of the long hole 58, that is, in the circumferential direction of the holder 18 while passing through the long hole 58. The lever 53 is stopped at a predetermined position, and a nut 59 screwed to the lever 53 is fastened to fix the lever 53 at the predetermined position. Thereby, the tubular body 16 is fixed in a state twisted at a predetermined angle.

  Thus, the gas-liquid mixed bubble generating apparatus of the present invention can include the twist maintaining means 59 that is fixed in a state where the tubular body 16 is twisted at a predetermined angle.

  In the main body 4a, the size of the generated microbubbles changes by changing the swirl state of the water. Therefore, the swirl state of the water passing through the hollow portion of the tubular body 16 and the flow rate of the water are adjusted to, for example, 1 Bubbles having an optimum size according to the purpose can be obtained in the range of ~ 1000 μm.

  Moreover, in the gas-liquid mixed bubble generating apparatus 2 of the present invention, the tubular body having hollow portions of different shapes by changing the twist angle of the twisted body 34, the number of twisted twists, and the diameter of the flexible long member 35. Various types of 16 may be prepared, and an optimal tubular body 16 may be mounted according to the purpose.

  Furthermore, the length of the connection hose 8 can be changed according to the application and the use space.

  Moreover, two types of liquids can be simply mixed using the gas-liquid mixed bubble generator of the present invention. FIG. 9 shows an example of an aspect in the case of using as a bathroom liquid mixing device 3 by connecting to a bathroom faucet. In FIG. 9, the gas-liquid mixed bubble generating apparatus 2 of the present invention is connected to a faucet 80 with a shower cap. The faucet 80 selectively branches a shower pipe tip 84 for feeding water to a shower hose 82 connected to a shower nozzle 85 and a gas-liquid mixed bubble generator pipe tip 86 for feeding water to the gas / liquid mixed bubble generator 2. A switching valve 88 is provided. In FIG. 9, the microbubble-containing water 90 discharged from the gas-liquid mixed bubble generating device 2 may be poured directly onto the body. Or you may make it flow down to a bathtub. Further, the gas-liquid mixed bubble generating device 2 or at least the discharge port 91 may be positioned in the bath liquid to discharge the microbubble-containing water 90 into the bath liquid.

  Further, the tip of the suction port (the other end 42) of the air tube hose 38 may be inserted into the liquid 92 contained in the container 93. In this case, the liquid 92 is sucked into the air pipe hose 38 and the mixed liquid of the tap water (hot water) and the liquid 92 is discharged from the gas-liquid mixed bubble generating device 2. If the liquid 92 contains a fragrance having an aromatherapy effect, the mind and body can be further relaxed during bathing by pouring the mixture into the body. Further, when there is a magnetic action by the magnet 50, the relaxation effect is further enhanced.

  Further, when sodium hypochlorite is contained in the liquid 92, the liquid mixture can be caused to flow down into the bath to sterilize the bath liquid.

  Furthermore, when the tip of the suction port (the other end 42) of the air tube hose 38 is connected to the gas cylinder 94, the gas in the gas cylinder 94 is introduced into the air tube hose 38, and the gas-liquid mixed bubble generating device 2 The tap water (hot water) containing the gas microbubbles is discharged. If the gas is oxygen, tap water (hot water) containing oxygen microbubbles is discharged. This oxygen microbubble-containing water can be poured into the body to measure the activation of the body. Alternatively, the gas-liquid mixed bubble generating device 2 or at least the discharge port 92 can be positioned in the bath liquid to discharge the oxygen microbubble-containing water into the bath liquid. If the gas is carbon dioxide, tap water (hot water) containing microbubbles of carbon dioxide oxygen is discharged. The gas-liquid mixed bubble generating device 2, or at least the discharge port 92 can be positioned in the bath liquid, and water containing carbon dioxide microbubbles can be discharged into the bath liquid.

  In this way, a bath solution containing oxygen or carbon dioxide microbubbles can be obtained, and the mind and body can be further relaxed or activated during bathing.

  In addition, the present invention can be carried out in a mode in which various improvements, modifications, and changes are added based on the knowledge of those skilled in the art without departing from the spirit of the present invention.

  For example, the gas introduction path 22 may be directly connected to an opening formed on the outer peripheral surface of the aspirator piece 70 without passing through the air pipe hose 38, and air may be sucked into the gas introduction path 22 from the opening. Alternatively, the air pipe hose 38 may go up the hollow part of the connection hose 8 to reach the hollow part of the faucet connector 10 and penetrate the pipe wall of the faucet mounting part 134 to protrude outside.

  The gas-liquid mixed bubble generating apparatus of the present invention can be applied to water purification, septic tank aeration, aquatic organism rearing, health drinks, bath bubbles, water sterilization, wash water, and tap water chlorine removal. Or it can attach to the faucet for bathtubs, can flow down microbubble containing water to a bathtub at the time of bathing, and can activate and purify bath water.

It is sectional drawing which shows the structure of the gas-liquid mixed bubble generator of this invention. It is a perspective view which shows an example of the aspect of the tubular body used for the gas-liquid mixed bubble generator of this invention. It is a perspective view which shows an example of the aspect of the twist used for manufacture of the tubular body used for the gas-liquid mixed bubble generator of this invention. It is sectional drawing of the tubular body used for the gas-liquid mixed bubble generator of this invention. It is a perspective schematic diagram which shows an example of the tubular body of the other aspect used for the gas-liquid mixed bubble generator of this invention. It is sectional drawing which shows an example of arrangement | positioning of the magnet used for the gas-liquid mixed bubble generator of this invention. It is explanatory drawing explaining an example of the aspect which twists the tubular body used for the gas-liquid mixed bubble generator of this invention. It is sectional drawing which shows an example of a structure of the other aspect of the gas-liquid mixed bubble generator of this invention. It is a schematic diagram which shows an example of the aspect of mixing of 2 types of liquids by the gas-liquid mixed bubble generator of this invention, and the aspect of mixing of liquid and gases other than air.

Explanation of symbols

2: Gas-liquid mixed bubble generating device 4, 4a: Main unit 6: Connection means 8: Connection hose 10: Faucet connector 12: Main unit connector 14: Aspirator 16: Tubular body 18: Holder 20: Channel 22: Gas introduction channel 28: mixing chamber 30: hollow part 32: ridge 34: twisted body 35: flexible elongated member 38: air pipe hose 50: magnet 59: twisting means 100: faucet 102: pipe tip

Claims (1)

An aspirator that includes a flow path for allowing liquid to pass through and a gas introduction path for introducing sucked gas;
A hollow portion provided downstream from the liquid discharge port of the aspirator and having a plurality of elongated plate-like protrusions formed spirally with the longitudinal direction as an axis on the inner peripheral wall, is discharged from the aspirator at the hollow portion A tubular body that conducts a mixture of the liquid and gas that has been conducted and is stirred while swirling in a spiral shape to refine the bubbles,
A connection hose interposed between the aspirator and the water tap,
One end connected to the gas introduction path, and the other end includes an air pipe hose opened so that air is sucked into the gas introduction path,
The tubular body is made of an elastic resin, can be twisted about the axis of the tubular body as a central axis, and includes a twist maintaining means for maintaining the twisted state of the tubular body, the twisted state A gas-liquid mixed bubble generating device in which the twist angle of the gas is variable.

Images