JP2002001373A - Expandable container utilizing rubber film - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple treating vessel and giant water storage tank capable of reducing a treating cost and treating a large amount. SOLUTION: A rubber balloon 1 consisting of the rubber film provided with plural outlets and inlets constitutes a main body of the container. Threaded inlet/outlet joints 8 for water, an aeration joint 9 and an object inlet/outlet joint 10 are mounted thereto. Mounting is finger tip mounting to elongate the rubber balloon inlet/outlets and to insert the respective joints. The joints 8 and 9 are connected to an outside device by box nuts. A rubber float 14 for floating the container on a water surface is mounted at the other end of the joint 10. The joint 1 is held open. The water is injected from the water inlet/ outlet joints 8 and the rubber balloon 1 is inflated to inject the water up to the prescribed volume. In this time, when the level of the inner water 6 is maintained higher by about 30 cm from the level of the outer water 7, the joint 10 maintains the prescribed expansion volume in the open state of the joint 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a very large and compact container of an expanded rubber film which is very small and light in comparison with a water storage tank, a drum and the like. The rubber balloon 1, the rubber sleeve 2, and the rubber sheet 3 made of a rubber film have the following features. 1. Large expansion and contraction rates. The expansion and contraction are repeated 2 to 10 times in size and 8 to 1000 times in volume. It becomes a large container of fluid. 2. Its flexibility changes in accordance with the degree of expansion, and it changes from a greasy body that does not break even when struck against a wall to a hard glassy brittle body. Take advantage of this property. 3. In water, the gravitational force of the rubber film on the huge container becomes zero due to its buoyancy and becomes a floating body. Further, the elastic body is protected by a uniform aqueous medium and is hardly damaged by an external force, and its handling becomes very easy. 4. Since the water contained in the rubber membrane is much greater in weight and viscosity than air, by keeping the level of the inner water 6 slightly higher than the level of the outer water 7, the water flows from the entrance and exit of the rubber membrane container. Does not overflow outside. As a result of the experiment, the head loss for maintaining the expanded volume was less than 50 cm. That is, the open state is maintained with only a small water pressure. 5. Circulating the inner water 6 with the inflatable rubber membrane container in the open state,
Aeration, agitation, continuous injection and drainage of external water 7,
In addition, it is possible to perform all measures such as feeding of food to the inner water space 5, insertion / removal of a filter material, backwashing, and the like. Energy saving processing is possible. 6. The rubber film container has particularly good adhesiveness to cloth. Cloth can be attached to the mounting seat of various devices to which a large stress is applied and the periphery of the doorway.

[0002]

2. Description of the Related Art In all cases, such as environmental water purification treatment and fish and shellfish cultivation experiments, water is taken from the sea (lake), sent to a land-based facility, treated (trained) there, and the treated water is treated by the sea (lake). lake)
It is common practice to return to.

[0003]

[Problems to be solved by the invention] Secure land, dig a hole, put concrete, go around pipes, various facilities,
The conventional method of mounting a sensor and requiring a large number of processes and a large number of people requires a large amount of equipment and running costs including a treatment tank. The present invention greatly reduces processing equipment and running costs, and enables larger volumes of processing. An on-site simple processing tank and a disposable processing tank are provided.

[0004]

SUMMARY OF THE INVENTION The present invention utilizes a rubber balloon 1, a rubber sleeve 2, and a rubber sheet 3 made of a rubber film to provide a huge on-site simple processing tank and a disposable processing tank to reduce processing equipment and running costs. Significantly reduced. Attaching multiple rubber membrane containers to a ship, and performing water purification while moving or floating, allows efficient water flow (water intake,
Treatment, drainage), and a huge amount of water can be treated by a small number of people. In addition, fry breeding and release in the open sea is possible.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments. 1 and Claim 1 will be described. FIG. 1 is a top view showing a rubber balloon 1 made of a rubber film having a plurality of entrances and exits 4 which becomes one of the expanded rubber film containers of the present invention. FIG. 2 is a cross-sectional view of the rubber balloon 1. FIG. 3 is a cross-sectional view of an inflatable rubber membrane container using the rubber balloon 1. A rubber balloon 1 made of a rubber film provided with a plurality of entrances 4 serves as a main body of the container. A threaded water inlet / outlet joint 8, an aeration joint 9 and a product inlet / outlet joint 10 are attached to this. The attachment is a one-touch attachment in which the rubber balloon doorway 4 is extended and each joint is inserted. The joints 8, 9 are connected to external devices by cap nuts. The other end of the joint 10 is provided with a rubber float 14 for floating the container on the water surface. Fitting 10
Is left open. Reference numeral 5 denotes a space for containing water, in which water is injected from a water inlet / outlet joint 8, and the rubber balloon is inflated by one to inject a predetermined amount. At this time, if the water level of the internal water 6 is maintained at about 30 cm higher than the water level of the external water 7, a predetermined expansion volume is maintained while the joint 10 is kept open. That is, the rubber balloon 1 can store a predetermined amount of water in an open state and maintain the stored amount. By utilizing this property of the rubber balloon 1, the following items can be made. B. If the two ports 8 are connected via a water pump, the internal water 6 can be circulated. (B) External water or fresh water can be continuously supplied from the port 8 or the aeration port 9 and continuously discharged from the separate port 8. C. Aeration can be performed from the aeration port 9. (D) Fish, bait, or a filter medium unit such as a spiral filter medium can be put in and taken out of the opening of the entrance 10 for goods. FIG. 4 is a sectional view showing an inflatable cage using a rubber sleeve 2 made of a rubber film. The rubber sleeve 2 is a seamless rubber sleeve. A reinforcing cloth sleeve 15 is adhered to both ends of the rubber sleeve 2.
Is provided with an entrance / exit tube 13. This both-end entrance and exit pipe 1
Step 3 puts in and out fish farming, food, etc. A float 11 is mounted on the tube 13 and floats so that the cage does not sink. A rope 12 for an elongation stopper is attached to the both-end entrance / exit tube 13 to prevent the rubber sleeve 2 from being excessively elongated. Fresh water 7 is always supplied to the fish 16 in the living cage by the entrance / exit tube 13. When the inlet / outlet pipes 13 at both ends are connected via a water pump, the internal water 6 circulates. This can also be used as a purification tank for environmental water if a filter medium unit is inserted. Since the rubber sleeve 2 is relatively inexpensive, it can be disposable. Expansion diameter 5-15m, length 20-5
If a large number of large rubber membrane cages with a length of 0 m are made and the fry are repeatedly raised and released periodically in the open sea, huge quantities can be produced with a small number of people. 5 and 6 are cross-sectional views showing a container using a rubber sheet 3 made of a rubber film before and after expansion.
A gather is attached to the periphery of the large rubber sheet 3 and adhered to the reinforcing cloth sleeve 15, which is adhered and attached to the outer periphery of the ring-shaped rubber float 14. Reference numeral 22 denotes a net lid with a zipper. When water is poured into the storage space 5 of the container and continuously poured so that the water level of the internal water is higher than that of the external water 7 by about 30 cm, the rubber sheet 3 expands and expands and goes into the external water 7. , Which becomes an inflatable container for storing a large amount of water.
Even when the water inlet of the float portion is in an open state, the expanded volume (volume) is maintained without the internal water 6 leaking out. Second, the second aspect will be described. FIG. 7 shows an expanded rubber film mold 24.
FIG. A water tank is formed by placing the tapered cylinder 27 on the transport pallet and placing the rubber membrane container with the end of the rubber sleeve 2 closed inside the cylinder. The expanded rubber film mold 24 is put into the outer water 7 of the water tank, and the inner water 6 is poured into the accommodation space 5 to fill the space. Next, a filling material such as lightweight sand and mince for bait is filled into the inner water 6, and the inner water 6 is filled.
To the outside and fill the filling material with the filling material 21
Get. In some cases, the filler may be heated or cooled from the outside water 7 to obtain a filled molded body 21. As in the case of the filled molded body 21, an ice ball having a diameter of 1 m or more can be obtained by this method, and a hollow ice ball can also be obtained. Third, the third aspect will be described. FIG. 8 is a cross-sectional view of the rubberized cloth expansion water purifying tank. The rubberized cloth inflatable container has a smaller capacity than the rubber inflatable container, but is effective particularly when the strength of the container is required. Rubberized cloth sleeve 29
Uses a commercially available strong fiber such as a light and strong aramid fiber, and sandwiches a sleeve fabric such as a knitted fabric with large circumferential expansion and contraction to the inner and outer peripheral surfaces of the rubber sleeve 2 or the sponge rubber sleeve. It was done. However, the inner peripheral side of the sandwich cloth may be an elastic cloth sleeve such as stockings for women. In order to obtain a uniform expansion, the rubber sleeve 2 or the sponge rubber sleeve and the inner and outer peripheral elastic sleeves are preferably seamless. Along with the injection water, a filter medium such as a fiber contact material ball 30 is accommodated in the accommodation space 5.
The raw water 7 is slowly flowed from the upward-flow joint 28 with a gentle flow hole, purified by the fiber contact material ball 30, and the treated water is discharged from the outlet of the cloth sleeve 31 with the net lid. The storage space of the raw water may be further enlarged to store a large amount of the raw water, and the upward flow joint 28 with a gentle flow hole and the treated water outlet may be connected via a water pump to circulate the raw water. In addition, as an underwater drinking water tank, a sanitary closed rubber sleeve inflatable container is embraced by this rubberized cloth sleeve, that is, a double-structured tank of rubber sleeve and rubberized cloth sleeve stores an enormous amount of drinking water. You can do it. Fourth, claim 4 will be described. FIG. 9 is a cross-sectional view showing a rubber film inflated oil ball in which spilled oil from a tanker accident or the like is trapped. The rubber balloon 1 having an inflated diameter of 1 m contains spilled oil for 2.5 drums (about 500 l). An expansion diameter of 2 m corresponds to 21 drums. The spilled oil 42 is injected into the rubber balloon 1 equipped with the threaded entrance / exit joint 8 using an oil pump or the like, and is screwed down with the lid 41 having the mooring ring 44 to close the balloon. In order to prevent sedimentation of the spilled oil rubber film ball, some air 43 is injected. Many such spilled oil rubber membrane balls are made,
At the same time as preventing the spread of the spilled oil, a large number of spilled oil rubber film balls are moored by a floating rope or the like, and are sent for regeneration.
It is an inexpensive spill diffusion prevention method that does not pollute the sea and is effective in small turns, compared to the conventional spraying of oil decomposers and the addition of oil collecting mats. Fifth, claim 5 will be described. FIG. 10 is a top view showing a water intake method using a rubber film, and FIG. 11 is a cross-sectional view showing a rubber sheet before expansion in which a weight iron frame is submerged. FIG.
FIG. 11 is a sectional view taken along line CC of FIG. 10. A large rubber sheet 3 is attached to the weighted iron frame 45 with gathers, and a hanging rope 48 is attached to the gathered rubber sheet 3, and is submerged from the moving boat 47 into the sea. When settled to an appropriate position, the suspension rope 48 is wound up at a stretch. The rubber sheet 3 made of a rubber film expands and expands due to the inertia of water, and takes in a large amount of water into its storage space 5. Further, when the rope 48 is wound up and the winding of the rope 48 is stopped when the water level of the internal water 6 becomes higher than the water level of the external water 7 by about 30 cm, the internal water 6 does not overflow to the outside and becomes a stable inflatable rubber film container. . In this way, it is possible to repeatedly perform the intake of water, the treatment of water, and the discharge of water while moving the boat 47. FIG. 13 shows a method of taking in external water 7 into a rubber sleeve 2 made of a rubber film by a traveling (moving) force of a ship. With the rapid movement of the ship 47, the inert water of the external water 7 causes the external water 7 to
The rubber sleeve expands, and its storage space 5
Can take in a large amount of water. Generally, a method of taking water with a pump and pouring it into a container is used.
20 tons of water can be taken at once, and can be used as a simple container as it is.
Also, when an entrance and exit are installed in the inflatable rubber membrane container and opened in water, the stored water is released due to the contraction force of the rubber membrane, and a large flow is created in the water. That is, the rubber membrane can also serve as a pump. Sixth, claim 6 will be described. FIG. 14 shows a rotating decorative body of the underwater water balloon. Rubber balloon 1 and vinyl hollow body 4
9 is taken into the aquarium water, tap water is injected to form a water balloon, and these are assembled to form a water balloon combined body 50. Further, various decorations such as artificial flowers 54 may be assembled. Next, a wire 51 for transmitting rotation is connected to the balloon body 50 in the water, and the water balloon combination 50 is rotated in the aquarium water at a speed of 5 to 30 rpm. At a distance of about 2 m, this wire 51 becomes completely invisible, and only the floating rotating decorative body in the water is lit up, making the object interesting and fun. Since the weight of the rotating decoration body becomes almost zero due to the buoyancy of water, the load on the motor 52 is small and a commercially available low-speed rotating motor for 1.5 V DC or 100 V AC can be used as it is without any modification. It is. In addition, since the weight can be ignored by the buoyancy of water, it can handle large heavy rotating decorations,
You can build fancy decorations. Seventh, claim 7 will be described.

2. In the case of a nearby fire, if the fire extinguishing sand or the inflated rubber film ball containing a fire extinguishing agent prepared by the method of (2) is thrown by hand to the fire site, the rubber film ball is broken and the fire Fire extinguishes when objects scatter. If the fire is out of reach or on a higher floor, throw it to the point using a gun or other projectile. If the neighbors take these steps before the fire truck arrives, it is good for initial firefighting. or

2. A fry of fish and shellfish produced by the method of claim 2, or
An expanded rubber film ball containing an object in which an egg, a plant seedling or a seed, etc., and a training medium are mixed is thrown into a breeding point such as a sea, a lake, a river, a field, or a valley using a hand or a flying tool. As described above, the rubber film container is a flexible body that wraps various heavy objects, and is an object that is not easily damaged by external force. Therefore, it becomes a disposable carrying box (gun ball) that quickly or instantly carries a heavy target object to a distant place, and collides with a distant water surface (ground) or a fixed object to be scattered and is useful for fire extinguishing. or,
It is also useful for breeding animals and plants. An eighth and eighth aspect will be described. This is a method in which raw water is treated in raw water (a lake or the like), instead of a method in which raw water is sent to an external device for processing and returning to the original state. FIG. 15, FIG.
17 shows the water purifying basket 33. Aluminum pipe frame 38
And make a light square basket with a specific gravity of about 1 or 2 with a hollow inside of the pipe. Then, the fiber contact material molding 37 is stretched vertically and horizontally, and the purified water square basket 33 in which the surrounding hood 40 is applied to the four outer peripheral surfaces excluding the front and rear surfaces of the cylinder is produced. This water purification square basket 33 is attached to the boat float 34, and the water purification square basket 3
3 bring the boat floats 34 as close as possible to each other and connect the boat floats 34 with ropes 36. The external water 7 (raw water) is taken into the water purification basket 33 while the water purification basket connected body is moved by the moving boat 47, and is reacted with the fiber contact material mall 37 to purify the raw water. Further, if the fiber contact material molding 37 is stretched over the entire outer peripheral surface of the boat float 34, the water purification effect is synergistic. By the movement of the ship 47, the raw water is taken into the purification basket connection body, the ship 47 is stopped, and the fiber contact material mall 37,
Fully react the raw water and purify the water. After purification, ship 4
7 to release the treated water into the lake and take in fresh raw water. By repeating this process, the raw water is purified. For example, the size of the water purification unit is 2m (width) x 2m (depth) x
If 50 m (length) is used, 200 tons of purified water can be obtained by one treatment. If this is repeated throughout the day, it will be a considerable amount, and if a fleet is assembled, a huge amount of processing can be expected. A ninth aspect will be described. When water or air is injected into the rubber balloon 1 and the vinyl hollow body 49, the inlet is narrow and it is difficult to inject. In particular, in the case of a hollow body for an ornamental playground equipment for injecting air, it is very convenient to attach a wide inlet with a valve for easily injecting water or air, including a human mouth, and a screw cap. 18 and 19 show a hollow body equipped with an inlet with an on-off valve. Currently, a large amount of commercially available and inexpensive male thread pieces of plastic bottles are
And since it has a structure that can be easily attached to a vinyl hollow body, use this. An on-off valve is provided on the male screw of the PET bottle and used. The reinforcing cloth 35 is adhered to the vinyl hollow body 49, and the flange of the male screw 18 is adhered onto the reinforcing cloth 35. The reinforcing cloth 35 may be attached to the inner or outer periphery of the hollow vinyl film. The on-off valve adheres to one end face of the male screw due to the internal pressure of air, and blocks a large amount of air from flowing out. Therefore, air is slowly and continuously injected, and the lid 41 is screwed slowly and completely sealed.

[0006]

The expansion container using the rubber film of the present invention is
It has a completely undeveloped field and has various uses depending on the degree of expansion due to water injection. The applications that can be immediately verified are shown below, including those mentioned above. Conventionally, the best method such as a method of manufacturing a large rubber balloon, a rubber sleeve, and a rubber sheet, and the thickness and elastic modulus of these rubber films, which have not been manufactured, are determined for each new product. 1) An expansion container using a rubber film. B. Floating cages for raising and releasing fry. (B) A breeding experiment tank for fish and shellfish algae training experiments, and a huge disposable experimental tank for fields. C. Plant for treating wastewater from factory. D. Disposable giant flask experiment instead of flask experiment in food industry and chemical industry. E, a laboratory for environmental water purification, a laboratory tank, and a huge disposable laboratory tank for the field. F. Contact filter tank for pure water in the field. Floating and sinking reefs in the open sea. Water, drinking water, deep sea water, rainwater underwater disposable tank. Emergency home cistern and sac in combination with ri, sweater or knitted underwear and rubber balloon. Underwater ornamental polka dot ball, rotating ball, etc. A multi-purpose, underwater floating giant polka dot. E, various shapes polka dots. 2) Expanded rubber film mold and its molded body. I. Includes a huge ice ball for cooling and cooling, a hollow ice ball body, and various decorations. (B) Grain lake bottoms or underground cooling storage tanks. (C) Deliver (convey) to the destination by firefighting throwing balls, or cannonballs, or cannonballs. E. Eggs of fish and shellfish, or seedlings or seeds of fry and plants are driven into a point together with a growing medium. 3) Rubberized cloth inflatable container. B, giant cage, septic tank, rainwater reservoir. B, giant drinking water tanks and mooring, towing tanks. 4) Oil spill diffusion prevention law. 5) Water intake method using rubber membrane and pumping action of expansion container. 6) Water balloon and water balloon rotating decoration. 7) Water balloon hand throwing ball and water balloon shooting cannonball. 8) Mobile boat float water purification body.

[Brief description of the drawings]

FIG. 1 is a top view of a rubber balloon provided with a plurality of entrances.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view of a rubber balloon inflatable container.

FIG. 4 is a sectional view of a rubber sleeve inflatable cage;

FIG. 5 is a cross-sectional view of a rubber sheet expansion container before expansion.

FIG. 6 is a sectional view of the rubber sheet expansion container after expansion.

FIG. 7 is a cross-sectional view of an expanded rubber film mold.

FIG. 8 is a sectional view of an inflatable water purifying tank with rubberized cloth.

FIG. 9 is a sectional view showing a rubber film spilled oil ball for preventing oil diffusion for spillage.

FIG. 10 is a top view showing a water intake method using a rubber film.

FIG. 11 is a cross-sectional view showing a rubber sheet before expansion in which a weight iron frame is sunk.

FIG. 12 is a sectional view taken along the line CC in FIG. 10;

FIG. 13 is a sectional view showing an intake boat using a rubber film.

FIG. 14 is a sectional view showing a water balloon rotating decorative body.

FIG. 15 is a top view showing a water purification method using a square water purification basket.

FIG. 16 is a sectional view showing a water purification method using a square water purification basket.

FIG. 17 is a cross-sectional view of FIG. 16BB.

FIG. 18 shows a vinyl hollow body to which a male screw with a valve and a screw cap are attached.

FIG. 19 is a view as viewed in the direction of the arrow C in FIG. 18;

[Explanation of symbols]

REFERENCE SIGNS LIST 1 rubber balloon 2 rubber sleeve 3 rubber sheet 4 rubber balloon entrance / exit 5 accommodation space 6 internal water 7 external water 8 entrance / exit joint 9 aeration joint 10
Object entrance / exit joint 11 Float 12 Stretch stopper rope 1
3 Doorway 14 Rubber float 15 Reinforcement cloth sleeve 16
Fry 17 Bubbles 18 Male thread with valve 19 Ladle
Reference Signs List 20 water injection hose 21 filled molded body 22 net lid 23 foam bottom plate 24 expanded rubber film mold 25 support arm 26
Carrying pallet 27 Tapered cylinder 28 Upflow joint 29 Rubberized cloth sleeve 30 Fiber contact material ball 31 Cloth sleeve with net lid 32 Patterned ring 33 Covered square water purifier 34 Boat float 35 Reinforcement cloth 36 Rope 37 Fiber contact material molding 38 aluminum pipe frame 39 water purification basket fixed pipe 40 enclosure hood 41 lid 42 spilled oil 43 air 44
Mooring ring 45 Weight iron frame 46 Hanging rod 47 Moving boat
48 Suspension rope 49 Vinyl hollow body 50 Combined water balloon 51 Rotation transmission wire 52 Low-speed rotation motor
53 Support plate 54 Artificial flower decoration

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E02B 15/00 E02B 15/00 Z 4D051 // C02F 1/40 ZAB C02F 1/40 ZABZ

Claims (9)

[Claims] 1. A rubber balloon 1 made of a rubber film, a rubber sleeve 2 made of a rubber film, or a rubber sheet 3 made of a rubber film is used as a main body of a container. Inflatable container used. 2. Fillers such as lightweight sand, fire extinguisher, lightweight concrete, and mince for bait are inserted into the inner water 6 injected into the storage space 5 of the expanded rubber membrane mold 24, and replaced.
Get 1. In some cases, these fillers are heated and cooled to obtain a filled molded body 21. An expanded rubber film mold 24 and the molded body 21. 3. An elastic woven cloth sleeve is adhered to the inner and outer peripheral surfaces of the rubber sleeve 2 or the sponge rubber sleeve by sandwiching, and a rubberized cloth sleeve 29 having a large circumferential extension is provided.
make. A rubberized cloth inflatable container using the rubberized cloth sleeve 29. 4. A large number of rubber balloons 1 are quickly brought to the site of a tanker accident or the like, and spilled oil 42 is sucked by an oil pump or the like and injected into the rubber balloon 1 one after another. The attached lid 41 is closed.
In this way, the spilled oil 42 is confined in the rubber balloon 1, and the spilled oil diffusion prevention method. 5. A rubber sheet 3 made of a rubber film is attached to a weight iron frame 45 via a reinforcing cloth sleeve 15 to form a water intake container. This water intake container is attached to a hanging rope 48 attached to a hanging rod 46, and is submerged in the external water 7 such as a sea or a lake.
Next, when the suspending rope 48 is quickly wound up, the rubber sheet 3 expands and takes in a large amount of external water 7 into the accommodation space 5.
The rubber sheet 3 is a container containing a large amount of the internal water 6. Similarly, when a weight iron frame 45 is attached to the end of the rubber sleeve 2 and a rope 48 is attached thereto, and the rope 48 is pulled by a ship 47, the rubber sleeve 2 expands and a container containing a large amount of internal water 6. Becomes Here, the hanging rope 48 is further raised above the water surface, and the level of the inner water 6 is 30 to 50 cm higher than the level of the outer water 7.
When adjusted to be higher than above, the internal water 6 does not overflow into the external water 7. A water intake method using such a rubber film and a rubber film expansion container. 6. A combination of various water balloons 50 in which water is injected into the rubber balloon 1 or the vinyl hollow body 49 is prepared and put into the ornamental aquarium water 7. The water balloon combination 50 is connected to a low-speed rotation motor 52 provided on the water via a rotation transmission wire 51 so that the water balloon combination 50
Is displayed at a low speed of 5 to 30 rpm. 7. A rubber balloon 1 containing a fire extinguishing agent, mince for feeding, fry or eggs of fish and shellfish, plant seedlings or seeds, and a training medium, or a hollow vinyl body 49 is used for a fire place, a field, A method that helps to extinguish fires by using humans or projectiles at the points of the sea, lakes, rivers, etc., and to help grow animals and plants. 8. A hood enclosing a water purification basket 33 in which a fiber contact material molding 37 is stretched inside a hood encircling square tube assembled with an aluminum pipe frame 38, and this is attached to a boat float 34. An environmental water purification method in which a plurality of these boat float water purification bodies are connected, and the moving boat 47 is repeatedly moved and stopped to purify water in a lake or the like. 9. A valve-equipped male screw piece 18 having an on-off valve provided on a male screw piece of a plastic bottle, a vinyl hollow body and a rubber balloon to which this 18 is attached.