JPH04210297A - Water purifying method and its device - Google Patents

Abstract

PURPOSE:To make better the forced movement.agitation.a mixing counter current of water and the filtration of water by intermittently repeating the action of sucking the water corresponding to the discharged gas mass at a sitting into a gas storage part through a filter part. CONSTITUTION:The air fed from an air pump is continuously discharged from a nozzle 19, then it rises while it becomes small and numerous air bubbles 21 and they gather at a central part 8 of the ceiling part 16 of an air storage shell 16. In an exhaust pore 17 provided on the central part, a mesh 18 is stretched, then the air bubbles can not pass through the net of the mesh 18 due to a surface tension of water as they are, thus they gather and become gradually a large mass of gas 22. When the gas mass 22 grows at a size (a floating power) overcoming the water surface tension, it passes through the net of the mesh 18 to be discharged at a sitting from the exhaust pore 17 and the discharge pore 5, and rise in the water vigorously. Next, the water of this discharged volume is sucked in an intake pore 12 through an intake pore 3 and further passes through a water passage pore 14 of a separation plate 8 being at the lower side, and is filtered with a filter material 9 and pass through a water passage pore 13 of a separation plate 7 and flows in the gas storage room 11.

Description

[Detailed description of the invention]

[00011

[Industrial Application Field] The present invention improves BOD and COD by simultaneously increasing the amount of dissolved oxygen in water, moving, stirring, and mixing convection of water, and filtering pollutants and suspended solids, thereby purifying water. The method and apparatus can be widely applied to swimming pools, golf course ponds, fish farms, ornamental aquariums, fishing grounds, etc. [0002] Conventionally, as a device for purifying a reservoir, etc., a brush-like frame is used to hold a large number of mesh-like cylindrical cartridges filled with porous adsorbent such as activated carbon and bundle them in an upright state. The water is circulated by sending air to an air lift pipe piped from the bottom of the frame to the top of the frame, passing through the air lift pipe and rising above the water (so-called air lift), Porous adsorbents in cylindrical cartridges have been provided that adsorb pollutants, suspended substances, and the like. [0003]

[Problems to be Solved by the Invention] However, since this method merely circulates water using an air lift, it is not possible to obtain sufficient pressure to pass water into the cylindrical cartridge, and therefore, the water is not adsorbed. Filtration was weak and it was not possible to purify a wide area. Furthermore, since it uses a large number of cylindrical cartridges filled with porous adsorbent such as activated carbon, it is expensive even though it can only perform small-scale purification. On the other hand, although many devices using aeration devices are available, conventional aeration-type purification devices are generally large-scale and expensive, and can only be purified by literal aeration. [0004] The object of the present invention is to simply continuously generate countless small bubbles in an underwater container, and in addition to the aeration caused by the bubbles, the bubbles also generate a large mass of gas that is concentrated and released at once. Aeration can be performed efficiently, and the gas mass is released intermittently all at once, creating a negative pressure inside the container and moving, stirring, and mixing convection of water extremely efficiently and over a wide range. It is an object of the present invention to provide a water purification method and a device 1 which can also perform a filtration action very efficiently. [0005]

[Means for Solving the Problems] In the water purification method according to the present invention, gas is continuously supplied into the gas accumulating portion of a container placed in water, and countless small bubbles are continuously generated, and the bubbles are removed in a targeted manner. It is concentrated into a gas mass within the gas accumulation part, and as the gas mass overcomes the surface tension or water pressure of water from the exhaust part of the gas accumulation part and is released from the gas accumulation part and rises, the gas mass equivalent to the released gas mass is The operation of sucking the same amount of water into the gas storage part through the filtration part at once is repeated intermittently. [00061 The water purification device according to the present invention includes a gas storage section having a mesh-like exhaust section at the upper part, a water suction section, a filtration section provided between these gas storage section and the water suction section, and a gas and gas supply means capable of supplying gas into the storage section in the form of numerous small bubbles. [0007]

[Operation] When gas is supplied from the gas supply means into the gas accumulation section and small bubbles are continuously generated, if the exhaust section of the gas accumulation section is mesh-shaped, the bubbles will be drawn to the exhaust section due to the surface tension of the water. It cannot rise through the air, but instead accumulates and concentrates in the gas storage area, becoming a gas mass. When the gas mass grows to a size that overcomes the surface tension of the water, the gas mass passes through the exhaust part and is released from the gas accumulation part all at once, causing a vigorous swirling flow through the water and rising. As a result, the water at the top and bottom of the gas mass rises with the swirling flow,
Moreover, the water in the gas storage section is also released at once along with the gas. Due to the release of the gas mass and water, the volume of the gas accumulation section increases at once by the volume of the released gas mass and water and becomes negative pressure, so that volume of water is forced to pass through the filtration section and gas accumulation occurs. It is inhaled into the body all at once, and at that time, it is filtered by the filtration part. Then, such operations are repeated intermittently. Therefore, aeration by countless air bubbles that occur continuously, aeration by large gas masses that are intermittently released, forced movement, stirring, and mixing convection of water due to its release and rise and suction of water; filtration can be performed efficiently at the same time. Water filtered by the filtration part passes through the mesh-like exhaust part, which prevents clogging. [0008]

Embodiments Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a sectional view of a first embodiment of a water purification device according to the present invention, and FIG. 2 is a perspective view thereof. A plurality of water absorption holes 3 are provided in the lower part of the peripheral wall 2 of the container 1, a circular discharge hole 5 is provided in the center of the upwardly curved ceiling portion 4, and a female screw 6 is provided in the middle of the inner peripheral surface of the peripheral wall 2. is provided. [0009] Inside the container 1, by sandwiching the filter material 9 between the upper and lower partition plates 7.8 screwed to the female screws 6, the filtration part 10 and the upper partition are formed between the upper and lower partition plates 7.8. A gas accumulation chamber 11 is formed above the plate 7, and a suction chamber 12 is formed below the lower partition plate 8. A plurality of water holes 13.14 are perforated in each of the partition plates 7.8. The filtering material 9 may be a general material such as a structure made of laminated fibers or a sponge. [00101 Inside the gas storage chamber 11, a gas storage shell 16 having legs 15 at both ends is placed on the upper partition plate 7. This gas storage shell 16 has a circular exhaust hole 17 in the center of the ceiling, and a mesh 18 is stretched over the exhaust hole 17. The exhaust hole 17 faces the discharge hole 5 of the container 1. A nozzle 19 is fixed through the upper part of the peripheral wall 2 of the container 1, and the tip of the nozzle 19 extends below the ceiling of the gas storage shell 16. This nozzle 19 is connected to an air pump (not shown) via an air hose 20, and air bubbles are continuously supplied below the ceiling of the gas storage shell 16. The filter material 9 can be easily replaced by removing the lower partition plate 8, and the gas accumulation shell 16 can be easily replaced by removing the upper partition plate 7.
Can be cleaned. [00111] This purification device is used by immersing the entire container 1 in water and installing it, for example, on the bottom of the water. Figures 3 to 5
shows its operation. When the air supplied from the air pump is continuously discharged from the nozzle 19, it rises as numerous small bubbles 21 as shown in FIG.
Gather in the center of the ceiling of No. 6. There is an exhaust hole in the center of the
A mesh 18 is provided in the exhaust hole 17.
Since the mesh 18 is stretched, air bubbles cannot pass through the mesh 18 due to the surface tension of the water.
It concentrates and gradually becomes a large gas mass 22 as shown in FIG. When this gas mass 22 grows to a size (buoyancy) that overcomes the surface tension of the water, it passes through the mesh 18 and is released from the exhaust hole 17 and the discharge hole 5 all at once, as shown in FIG. Rise. Along with this, the gas accumulation chamber 11
Some of the water inside is also forcibly discharged from the discharge hole 5. By releasing the gas mass 22 and some of the water, the volume of the gas accumulation chamber 11 increases at once by the released volume, so that volume of water is sucked into the suction hole 12 through the suction hole 3,
Furthermore, after passing through the water passage hole 14 of the lower partition plate 8 and being filtered by the filter material 9, the water passage hole 1 of the upper partition plate 7 is filtered.
3 and flows into the gas storage chamber 11 all at once. This kind of discharge of the gas mass 22 and water at once and the forced intake of new water occur simultaneously, and the effect is natural and intermittent just by continuously generating countless bubbles 21 from one nozzle. Repeated. The period and the size of the gas mass 22 released can be arbitrarily adjusted by changing the air supply amount, the mesh size of the mesh 18, and the diameters of the exhaust hole 17 and the exhaust hole 5. In addition, mesh 18 is placed in container 1.
Even if the gas storage shell 16 is omitted, the effect is the same as described above. Also, gases other than air,
Alternatively, air and another gas (for example, ozone) may be supplied at the same time. [0012] FIGS. 6 and 7 show a second embodiment of the present invention. This purifying device has an oblong cylindrical shape in which a pair of filtering sections 24 are separably connected to both sides of a gas accumulating section 23. The gas accumulation section 23 has a pair of exhaust holes 27 formed in the upper part of a cylindrical shell 25 with a gas accumulation chamber 25 inside, a mesh 28 stretched over each of these exhaust holes 27, and further below these exhaust holes 27. A diffuser pipe 29 is installed in the air conditioner. Each filtration part 24 has a filtration material 33 housed within a cylindrical shell 32 having a plurality of water absorption holes 31 at an outer end 30. The cylindrical shell 26 of the gas storage section 23 and the cylindrical shell 32 of the filtration section 24 are separably connected by joining their flanges with bolts and nuts. Gas accumulation section 23
and the filter section 24 are internally separated by a partition plate 33. A plurality of water holes 34 are bored in the partition plate 33 . 33a, a pair of exhaust holes 2
7, and is provided on the upper part of the cylindrical shell 26 in the illustrated example. [0013] In the case of the purification device of the second embodiment, the gas mass can be released from each of the pair of exhaust holes 27, and water can be sucked and filtered from each of the filter sections 24 on both sides, thereby improving the purification effect. can be improved and the range further expanded. [00141 The third embodiment shown in FIG. The second embodiment differs from the second embodiment in that a discharge hole 38 is provided, but other aspects are substantially the same as the second embodiment. [00151 The fourth embodiment shown in FIG. 9 and the fifth embodiment shown in FIG. 10 are inverted siphon configurations of the present invention. That is, in FIG. 9, an outer cylinder 40, an inner cylinder 41. The inner cylinder 42 creates an introduction chamber 43 and a gas accumulation chamber 1.
4. The discharge chamber 45 is formed concentrically, and a filtration part 46 made of a filtration material is provided inside the lower end of the water pump 39. Further, in FIG. 10, a filtration chamber 47 having a filtration part 46 at both ends is formed around the lower end of the water pump 39. In any of these cases, air bubbles are continuously generated by the diffuser pipe 48 below the introduction chamber 13 to form a large gas mass within the gas accumulation chamber 44, and this gas mass overcomes the water pressure and enters the discharge chamber. 45, the water rises vigorously together with water in the pumping pipe 39, sucking in new water through the filtration section 46, and by repeating this process intermittently, intermittent aeration and water movement, stirring, and mixing convection are achieved. and filtration can be performed at the same time. Although the embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and variations can be made without departing from the basic idea.
Application is possible. [0016]

Effects of the Invention According to the present invention, by simply generating countless small bubbles in succession, in addition to the aeration caused by the bubbles, the bubbles are concentrated and released into a large mass of gas at once, thereby achieving efficient aeration. Furthermore, the movement, stirring, and mixing convection of water can be carried out extremely efficiently and over a wide range due to the action of intermittent and sudden release of the gas mass, and furthermore, this action also allows the filtration action to be performed very efficiently at the same time, making it possible to purify water. The effect and range are dramatically improved compared to the past. [0017] The device can be made smaller by making the exhaust part mesh-like so that the surface tension of water is used to suppress the passage of bubbles, and when the gas becomes a large mass, it overcomes the surface tension and releases the gas all at once. In addition, by providing a large number of gas discharge parts, a wide range of purification can be performed economically, and by sucking in the water filtered by the filtration part, clogging of the mesh can be prevented. [0018] By making the filtration part separable from the gas accumulation part, the filtration part can be easily replaced and cleaned. Furthermore, when filtration is not required (aeration and water movement, stirring, and convection are performed), clogging in the filtration part can be prevented by removing the filtration part.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a purification device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the first embodiment.

FIG. 3 is an explanatory diagram of the first stage operation of the first embodiment.

FIG. 4 is an explanatory diagram of the second stage operation of the first embodiment.

FIG. 5 is an explanatory diagram of the third stage operation of the first embodiment.

FIG. 6 is a perspective view of the second embodiment.

FIG. 7 is a partially cutaway front view of the second embodiment.

FIG. 8 is a partially cutaway front view of the third embodiment.

FIG. 9 is a schematic configuration diagram of a fourth embodiment.

FIG. 10 is a schematic configuration diagram of a fifth embodiment.

[Explanation of symbols]

1 Container 10 Filtration section 11 Gas accumulation chamber 12 Suction part 16 Gas accumulation shell 17 Exhaust hole 18 Metush 19 Nozzle 23 Gas accumulation section 24 Filtration section 27 Exhaust hole 28 Metush 29 Diffusion pipe

[Figure 4]

[Procedural amendment]

[Submission date] January 23, 1991

[Procedural amendment 1]

[Name of item to be amended] Specification

[Correction target item name 10015 [Correction method] Change

[Correction details]

[00151 The fourth embodiment shown in FIG. 9 and the fifth embodiment shown in FIG. 10 are inverted siphon configurations of the present invention. That is, in FIG. 9, an outer cylinder 40, a middle cylinder 41, and an inner cylinder 42 form an introduction chamber 43 and a gas accumulation chamber 44 at the lower end of the vertically long water pumping pipe 39.
, the discharge chamber 45 is formed concentrically, and a filtration section 46 made of a filtration material is provided inside the lower end of the water pump 39 and the introduction chamber 43. Further, in FIG. 10, a filtration chamber 47 having a filtration part 46 at both ends is formed around the lower end of the water pump 39. In any of these cases, the introduction chamber 4
3, air bubbles are continuously generated by the diffuser pipe 48 to form a large gas mass within the gas accumulation chamber 44, and this gas mass overcomes the water pressure and is discharged from the discharge chamber 45, which is sent to the pumping pipe 39 along with water. New water is sucked in through the filtration part 46 by the action of rising forcefully inside, and by repeating this intermittently, intermittent aeration, water movement, stirring, mixing convection, and filtration can be performed simultaneously. . Although the embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and applications can be made without departing from the basic idea thereof.

[Procedural amendment 2]

[Name of document to be corrected] Drawing

[Correction target item name] Figure 9

[Correction method] Change

[Correction details]

[Figure 9]

[Procedural amendment 3]

[Name of document to be corrected] Drawing

[Correction target item name] Figure 10

[Correction method] Change

[Correction details]

[Figure 10]

Claims (5)

[Claims] Claim 1: Continuously feeding gas into a gas accumulation part of a container placed in water to continuously generate countless small bubbles, and concentrating the bubbles in the gas accumulation part to form a gas mass, As the gas mass overcomes the surface tension or water pressure of the water from the exhaust part of the gas accumulation part and is released and rises from inside the gas accumulation part, the water equivalent to the released gas mass passes through the filtration part and goes into the gas accumulation part at once. A water purification method characterized by intermittently repeating the action of inhaling water. 2. The water purification method according to claim 1, wherein a mesh-like exhaust section is provided above the gas accumulation section, and the gas mass is discharged upward from the exhaust section. 3. A gas storage section having a mesh-like exhaust section at the upper part, a water suction section, a filtration section provided between the gas storage section and the water suction section, and a gas storage section for discharging gas into the gas storage section. A water purification device comprising a gas supply means capable of supplying gas in the form of countless small bubbles. 4. The water purification device according to claim 3, wherein the filtration section is separably connected to the gas storage section. 5. The water purification device according to claim 3, wherein the gas supply means is an aeration pipe disposed below the gas storage section.