JP2001070978A - Water cleaning apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the achievement of good water cleaning action and good aerating and stirring action by a cleaning material, by effectively preventing the increase of the suction resistance of a pump caused by the cleaning material. SOLUTION: A water cleaning apparatus has the arm member 5 supported on the support 1 erected in a closed water area 3 in a state freely movable up and down along the support and freely rotatable therearound and float members 7 are mounted on the extended end parts of the arm member 5. A water jet device 10 having an axial flow pump 10b allowing water to flow upwardly is provided to each of the float members 7. A rotary propelling force imparting pipe 12 discharging a part of the discharged water from the axial flow pump 10b in the almost tangential direction of the circle centering around the axis of the support 1 is provided to each of the water jet devices 10. Cleaning material units 14 are attached to the arm member 5 at positions spaced apart from the water jet devices 10 so as to be supported and arranged in water in the vicinity of the surface of the water. Each of the cleaning material units 14 consists of a upwardly opened reticulated basket 14a and a cleaning material 14b covered with a net.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purification system suitable for purifying water by installing it in a so-called closed or semi-enclosed water region where a flow of a lake, swamp, pond or the like hardly occurs. It concerns the device.

[0002]

2. Description of the Related Art Conventionally, lakes of this kind with little access to water,
In swamps, ponds, etc., water may accumulate and cause destruction due to lack of oxygen, which may lead to environmental destruction such as generation of blue water and bad smell.Therefore, aeration and agitation using fountains, charcoal and activated carbon etc. A method of purifying water by passing water through a purifying material has been employed.

[0003] For example, according to the purifying apparatus disclosed in Japanese Utility Model Laid-Open No. 3-79897, a purifying material storage tank and a central space formed by an inner and outer peripheral wall of a net-like material or a porous material erected on a bottom plate. Is formed, a floating body provided on the upper outer periphery of the purification device main body, and a submersible pump provided in the central space portion, the floating body is floated on a pond by the buoyancy of the floating body, and the submersible pump is operated. , The water that has passed through the purifying material in the storage tank is sucked and discharged horizontally from above the purifier body through the discharge pipe,
It was configured to discharge upward.

[0004] According to the structure for discharging water in the horizontal direction, the purifier main body is rotatable around a predetermined fulcrum, and it is possible to purify water in a wide area.

[0005]

However, according to the apparatus disclosed in the above publication, the water passing through the purifying material is sucked and discharged by a submersible pump, and the suction resistance when sucking water by the submersible pump is reduced. As a result, the discharge pressure at the time of discharging the water is reduced, and the water cannot be discharged vigorously from the discharge pipe, so that there is a possibility that a sufficient aeration and stirring effect may not be exhibited.

In view of the foregoing, the present invention provides a water purification apparatus capable of effectively preventing increase in the suction resistance of a pump by a purifying material and exhibiting water purification by a purifying material and excellent aeration / stirring action. With the goal.

[0007]

A technical means for achieving the above object is to be supported vertically on a column erected in a closed water area or a semi-closed water area and to be movable up and down, and to rotate around the axis of the column. An arm body extending in a substantially horizontal direction rotatably supported, a float body attached to the arm body, and an axial pump provided on the float body and flowing water in the water area upward. And a fountain device that diffuses to the periphery, and is additionally provided to the fountain device, and partially discharges water from the axial flow pump in a direction substantially tangential to a circle centered on the axis of the column. The present invention is characterized in that it comprises a rotating thrust imparting pipe for discharging, and a purifying material unit attached to and supported by an arm at a position separated from the fountain device and arranged in water near the water surface.

Further, the purifying material unit includes a net-shaped cage body having an open top surface or an upper surface opening / closing lid mounted and supported on the arm body, and a purifying material housed in the cage body wrapped in a net. And a structure consisting of

Further, the purifying material unit may be arranged in a water spray area of a fountain device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a columnar or cylindrical column, the lower end of which is attached and fixed to a holding table 2. When the holding table 2 is submerged at an appropriate position in the closed water area 3 such as a lake, a swamp, a pond, or the like, the strut 1 is erected in the closed water area 3 with its upper end protruding above the water surface 3a. The structure is to be.

The column 1 is provided with an arm 5. The arm 5 is provided with a connecting plate 5 b having a cylindrical portion 5 a having an inner diameter slightly larger than the outer diameter of the column 1 at the center in the longitudinal direction.
And a support arm 5c having an appropriate length that is connected and supported as an extension extending parallel to each other in a direction perpendicular to the longitudinal direction at both ends in the longitudinal direction of the connecting plate 5b. At this time, the connecting plate 5b is arranged at the center in the length direction of each support arm 5c.

The cylindrical portion 5a of the arm body 5 is
The arm body 5 is disposed in a substantially horizontal shape, and is supported so as to be vertically movable along the axial direction of the column 1 and is supported rotatably around the axis. Structure.

As shown in FIG. 3, floats 7 each having the shape of a rectangular parallelepiped are provided between the extended ends of the pair of support arms 5c arranged in parallel at appropriate intervals. It is supported rotatably around a horizontal axis through a support shaft 8 having an axis perpendicular to the axis, that is, a horizontal axis.

A fountain device 10 for vertically dispersing water around the center of each float body 7 is vertically penetrated, and the fountain device 10 is connected to and supported by the float body 7. A cylindrical guide cylinder 10a having an axial center in the vertical direction, an axial pump 10b which is fixedly supported at a lower portion in the center of the guide cylinder 10a with an appropriate space therearound and which allows water to flow upward; And an axial pump 1
At a position above the position of the impeller 10d attached and fixed to an intermediate portion of the drive shaft 10c provided in the upwardly projecting shape of the upper portion 0b, the guide cylinder 10a is configured to have a smaller diameter and upward at its upper end. Is formed in a tapered shape whose diameter gradually increases.

A boosting impeller 10e is mounted and fixed to the upper end of the drive shaft 10c.
A cylindrical discharge guide plate 10f whose diameter gradually increases in the upward direction is disposed between the upper end of the pressure impeller 0a and the pressure impeller 10e. And between the guide cylinder 10a and the discharge guide plate 10f,
A watering guide path is formed between the discharge guide plate 10f and the pressure impeller 10e.

Further, as shown in FIG. 3, the guide cylinder 10a is bent in a substantially L-shape to discharge a part of the water discharged by the impeller 10d of the axial flow pump 10b to the side. A rotating thrust applying pipe 12 made of a pipe body is attached and fixed in a penetrating manner inside and outside. That is, the rotary thrust applying tube 12
One end inside the guide cylinder 10a is opened to the discharge path side by the impeller 10d, and the other end of the rotary thrust applying pipe 12 outside the guide cylinder 10a is above the upper surface side of the float body 7 and in FIG. As shown, the support 1 is arranged so as to open in a direction substantially tangential to a circle centered on the axis of the support 1.

At this time, the other ends of the rotary thrust imparting pipes 12 of the fountain devices 10 on both sides outside the guide cylindrical body 10a are arranged so as to be opened in directions opposite to each other.

Further, between the center connecting plate 5b and each of the floats 7, a purifying material unit 14 is mounted and supported over both support arms 5c.
That is, the purifying material unit 14 has a net-like (including porous) box-like structure having an open top surface made of punching metal or the like.
The cage 14a is composed of a plurality of nets 14c each of which is appropriately wrapped with a purifying material 14b such as charcoal or activated carbon, and is supported on both sides by using hooks 14d attached to the upper four corners of the cage 14a. Cage 1 while straddling between arms 5c
4a is mounted and supported. At this time, the cage 14a
Are attached to and supported by the water spray area of the fountain device 10, and each hook 14d is supported by the supporting arm 5c so that the cage 14a does not move in the longitudinal direction of the supporting arm 5c.
Alternatively, a structure may be employed in which the fixing is appropriately releasable by screwing or the like.

The basket 14a attached to and supported by the two support arms 5c accommodates an appropriate number of nets 14c each containing a purifying material 14b.

The float body 7 is composed of a foam, a hollow body, wood, or the like, supports each fountain device 10 in a floating state, and places each purifying material unit 14 in water near the water surface. The structure has buoyancy appropriately.

The present embodiment is configured as described above. As shown in FIG. 1, when the axial flow pump 10b of each fountain device 10 is installed in the closed water area 3, the impeller 10d and The pressurizing impeller 10e rotates integrally, and the rotation of the impeller 10d causes the water in the guide cylinder 10a to be sucked up from below, discharged upward, and sprinkled into the air as fountain from above through the watering guide path. At this time, the water guided to the upper sprinkling guideway is
Water is sprinkled further by the action of e. The water is brought into contact with the air by the water spray into the air, and the water is purified by the aeration and the water circulation.

A part of the water discharged upward by the rotation of the impeller 10d is guided into one end of the rotational thrust applying pipe 12 located in the guide cylinder 10a, and is located outside the guide cylinder 10a. Is discharged from the other end of the rotating thrust applying tube 12. At this time, since the other end of the rotary thrust applying tube 12 is opened in a direction substantially tangential to a circle centered on the axis of the column 1, each of the fountain devices 10 is discharged by this water discharge. Propulsion in the opposite direction is obtained, and each fountain device 10 is slowly rotated around the axis of the column 1 by this propulsion. In addition, each fountain device 1
The speed at which 0 rotates around the axis of the column 1 may be about several rotations per day, and the amount of water discharged through the rotating thrust applying tube 12 may be appropriately adjusted according to the size of the inner diameter of the rotating thrust applying tube 12.

The rotation of each of the fountain devices 10 around the column 1 causes each of the purifying material units 14 attached to and supported by each of the support arms 5c to move around the column 1 in the water. Water is purified by the purifying material 14b.

Further, by arranging each purifying material unit 14 in the sprinkling area of each fountain device 10, water that is poured down from above by the water spray passes through the purifying material unit 14, and a more effective water purifying action. Can be demonstrated.

Further, since the arm body 5 is supported by the column 1 so as to be vertically movable, each float body 7 can be moved up and down in response to the fluctuation of the water level in the closed water area 3, and each of the fountains The device 10 and the respective purifying material units 14 have a structure that is always arranged at a predetermined depth position with respect to the water surface 3a, and a good depth position optimal for water purification can always be secured.

Further, the purifying material unit 14 is not disposed on the suction side of the axial flow pump 10b, so that an increase in suction resistance due to the presence of the purifying material as in the conventional structure can be effectively prevented. The pressure can be effectively prevented from lowering, water can be widely sprayed, convection of water can be ensured in a wide range, and also from this point, a good aeration / stirring action can be exhibited.

Further, the cage 1 of each purifying material unit 14
4a is formed in an open top shape, so that the purifying material 14b
Can be easily replaced, and the purifying material 14b is appropriately
The structure is housed in the net 14c, and the entire net 14c may be replaced, which is excellent in maintainability.

The purifying material 14b accommodated in the cage 14a according to the scale of the closed water area 3 and the state of water pollution.
There is also an advantage that the number of incoming nets 14c can be easily adjusted.

In this embodiment, the structure in which the purifying material unit 14 is disposed between the connecting plate 5b and each of the floats 7 is shown. Each of the float bodies 7 and the fountain device 10 may be arranged at an intermediate position of the support arm 5c provided, and the purifying material unit 14 may be attached and supported on the extending end side of the support arm 5c. The structure may be such that the purifying material units 14 are arranged on both the inner side and the outer side of the rotation locus of the body 7.

Further, the arm members 5 are arranged in a straight line,
Although the structure in which the float body 7 and the fountain device 10 are provided at both ends thereof is shown, the arm body 5 is arranged in a cross shape, and the float body 7 and the fountain device 10
May be provided, and there is no limitation on the number or structure of the embodiments.

Further, according to the size of the closed water area 3, a plurality of water purification devices may be provided.

Although the cage body 14a has an open top surface, the top surface of the cage body 14a can be freely opened and closed by a net-like top opening / closing lid made of a punching metal or the like like the cage body 14a. Good.

Further, the water area is not limited to the completely closed water area 3, but may be a semi-closed water area such as an artificial pond partially drained to the outside as needed.

[0034]

As described above, according to the water purification apparatus of the present invention, the water purification device is supported by the column standing upright in the closed water area or semi-closed water area so as to be able to move up and down and around the axis of the column. An arm body that is rotatably supported and extends in a substantially horizontal direction, a float body attached to the arm body, and an axial flow pump that is provided on the float body and flows upward the water in the water area, A fountain device that diffuses to the surroundings, and a rotating thrust applying tube that is additionally provided to the fountain device and that discharges a part of the water discharged from the axial flow pump in a substantially tangential direction of a circle centered on the axis of the column. And a purifying material unit that is attached to and supported by the arm body at a position separated from the fountain device and that is disposed in water near the water surface, and effectively increases the suction resistance of the pump due to the purifying material. Prevent and purify water with purifying materials Good aeration agitation effect can be advantageously exhibited.

The purifying material unit is composed of a net-shaped cage body having an open top surface or an upper surface opening / closing lid mounted on and supported by an arm body, and a purifying material wrapped in a net and housed in the cage body. With this structure, it is only necessary to replace the entire net when replacing the purifying material, the purifying material can be easily replaced, excellent in maintenance, and housed in the cage according to the scale of the closed water area and the water pollution situation There is also an advantage that the number of purifying material-containing nets can be easily adjusted.

Further, if the purifying material unit is arranged in the sprinkling area of the fountain device, the water that is poured down from above by the water spray passes through the purifying material unit and exhibits a more effective water purifying action. There is an advantage that can be.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view showing an embodiment of the present invention.

FIG. 2 is a view taken along the line II-II in FIG.

FIG. 3 is an enlarged sectional view taken along line III-III of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Prop 3 Closed water area 5 Arm body 5a Cylindrical body 5b Connecting plate 5c Support arm 7 Float body 10 Fountain device 10b Axial pump 12 Rotational thrust applying pipe 14 Purifier material unit 14a Cage body 14b Purifier 14c Net

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) C02F 3/16 C02F 3/16 7/00 7/00 F term (reference) 4D003 AA01 AA06 AB20 BA07 DA18 DA20 EA06 EA25 4D029 AA07 AA09 AA11 BB11 CC06 4G035 AB22 AE13

Claims (3)

[Claims] 1. A substantially horizontal support extending vertically and supported by a column erected in a closed or semi-closed water region so as to be vertically movable and rotatable about the axis of the column. An arm body, a float body mounted on the arm body, a fountain device provided on the float body and having an axial flow pump for flowing water in the water area upward, and radiating to the periphery; and an addition to the fountain device A rotating thrust applying pipe which is disposed and discharges a part of the discharge water from the axial flow pump in a substantially tangential direction of a circle centered on the axis of the support, and at a position separated from the fountain device A purifying material unit attached to and supported by the arm body and disposed in the water near the water surface. 2. The purifying material unit, wherein the purifying material unit is attached to and supported by the arm body and has a net-like cage body having an open top surface or an upper surface opening / closing lid, and a purifying material housed in the cage body wrapped in a net. The water purification device according to claim 1, wherein the water purification device comprises: 3. The water purification device according to claim 1, wherein the purifying material unit is disposed in a water spray area of a fountain device.