JPH10231510A - River purifying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a river purifying device of low cost and easy maintenance. SOLUTION: A river purifying device is provided with at least two stages of horizontal frame members 20, 20 disposed at an interval in a vertical direction, and plural vertical frame members 30 fixed along outer circumferences of them at an interval. It is also provided with a cylindrical body 10 surrounded by the horizontal frame members 20, 20 and the vertical frame members 30, and immersed in water currents in a river 1, a bottom plate 25 to be placed on a bottom of the cylindrical body 10, charcoal pieces 40 filled on the bottom plate 25, and stone pieces 50 filled on the charcoal pieces 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a river purification device for purifying polluted water flowing through a river.

[0002]

2. Description of the Related Art In recent years, public interest has been increasing, and purification of rivers has been progressing due to enhancement of sewerage and wastewater treatment facilities in urban areas. However, rivers are still polluted by domestic wastewater and industrial wastewater. For this reason, there has been a problem that organisms living in rivers are polluted, killed or reduced. Further, it is well known that the contaminated water flows into the sea and contaminates the seawater, which has a serious effect on aquaculture and other aquatic resource protection and fostering, such as generation of red tide.

[0003]

The cause of the above-mentioned river pollution is that, except for the urban area, the area is vast, and factories and houses are scattered.・ It is difficult to complete the wastewater treatment facilities. Therefore, there is a need for a simple, low-cost, and easy-to-maintain river purification apparatus.

Accordingly, an object of the present invention is to provide a simple, low-cost, and easy-to-maintain river purification apparatus capable of coping with the purification of river pollution based on domestic wastewater and industrial wastewater generated in a region. It is in.

[0005]

In order to achieve the above object, a river purification apparatus according to the first aspect of the present invention comprises a horizontal frame member (20, 20) disposed at least in two stages with a gap in the vertical direction. 20), a plurality of vertical frame members (30) fixed at intervals along the outer periphery thereof, and a horizontal frame member (2).
0, 20) and a vertical frame member (30), and a tubular body (10) immersed in the water flow of the river (1), and a floor plate (25) laid at the bottom of the tubular body (10). , Floor plate (2
5) A charcoal piece (40) filled on the top, and a rock piece (50) filled on the charcoal piece (40).

According to a second aspect of the present invention, the plurality of cylindrical bodies (10) filled with the charcoal pieces (40) and the rock pieces (50) according to the first aspect of the present invention are provided on the riverbed (R). Grid fixed frame (6) fixed by a vertical pile (65)
0) is fitted into the lattice (62).

[0007] The invention described in claim 3 is the first or second invention.
The vertical frame member (30) of the invention described in (1) is characterized by being made of wood whose surface is carbonized.

A fourth aspect of the present invention is characterized in that the charcoal piece (40) according to the first, second or third aspect is mixed with a ceramic piece (70) having oil absorbing properties. It is.

The symbols in parentheses described in the means for solving the above-mentioned problems correspond to the symbols described in the drawings and the embodiments of the invention described later.

According to the first aspect of the present invention, the charcoal pieces are porous, have a large specific surface area, and have a high adsorptivity, in which countless small holes are formed at the traces where the carbonized material was removed during the production. At the same time, microorganisms that decompose and purify organic substances are present in the pores. Therefore, when the pieces of charcoal are immersed in the stream of the river, the organic pollutants contained in the river water are effectively adsorbed by the pores, decomposed and detoxified by the microorganisms in the pores, and the river is purified. You. In addition, since the charcoal pieces are filled in a tubular body, the upper part is covered with a rock piece, and the lower part is covered with a floor plate, the purifying action is performed in a stable state without flowing into the water flow. Further, the device according to the present invention can be made of inexpensive materials, such as charcoal and rock, and also, for example, any of steel and logs, and has a simple structure. Therefore, for example, when a piece of charcoal loses its effect, it is only necessary to take out a piece of rock and replace it with a new piece of charcoal, so that maintenance is easy and extremely simple.

According to the second aspect of the present invention, in addition to the function and effect of the first aspect, a plurality of cylindrical bodies filled with charcoal pieces and rock pieces are vertically inserted into a riverbed. Since it is fitted in the grid of the grid-shaped fixed frame fixed by the piles, even if the water increases due to rainfall or the like and the flow becomes severe, it does not easily flow out. In addition to this, for example, when a cylindrical body having a circular cross section is fitted into a rectangular fixed frame, the flow of water becomes complicated, such as the generation of a vortex, and the contact between the charcoal pieces and the water flow is promoted accordingly. , The purification effect of the river is increased.

[0012] According to the third aspect of the present invention, the first aspect is provided.
In addition to the effect of the second aspect, since the vertical frame member is made of wood whose surface is carbonized, the vertical frame member also has an effect similar to that of charcoal pieces, increases the purification effect of the river, and is hardly corroded.

According to the fourth aspect of the invention, in addition to the functions and effects of the first, second or third aspect of the present invention, since the charcoal pieces are mixed with the oil-adsorbing ceramic pieces, the water flow is reduced. The oil contained therein, especially petroleum-based oil, is adsorbed,
Effective for purifying oil-polluted rivers.

[0014]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing a state in which a river purification device according to an embodiment of the present invention is installed in a river, and FIG. 2 is a charcoal piece 4 filled in the cylindrical body of FIG.
0, a sectional view taken along line AA of FIG. 3, FIG. 3 is a vertical partial sectional view of the tubular body, FIG. 4 is an enlarged plan view showing a main part of FIG. 1, and FIG. -K line sectional view, FIG. 6 is L- of FIG.
It is an L line sectional view.

The river purification apparatus according to the embodiment of the present invention basically has a charcoal piece 40 placed on a floor plate 25 laid on the bottom of a tubular body 10 manufactured with a gap.
And a rock piece 50 is filled thereon, and the cylindrical body 10
Is arranged in the river 1, and at least the charcoal pieces 40 are immersed in the water flow of the river 1. The cylindrical body 10 has circular vertical frame members 20 and 20 arranged vertically in two stages with a gap in the vertical direction, and a plurality of vertical frame members fixed with a certain gap along the outer periphery thereof. And a frame member 30.

The tubular body 10 will be described in detail. Each horizontal frame member 20 is formed by bending an angle steel (angle) into a circular shape and welding. In addition, the vertical frame member 3
0 is preferably made of a halved log of cedar wood whose surface is carbonized, and along the outer periphery of the two horizontal frame members 20, 20, a water flow is provided between the adjacent vertical frame members 30. In a state where a gap that can pass therethrough is formed, it is attached by a coach bolt B including a screw portion and a head, for example.

The tubular body 10 can be disposed as it is in the river 1, but usually, in order to prevent the outflow at the time of increasing the water and increase the effect of the purifying action, the plurality of tubular bodies 10 are prevented from flowing out. It is fixed to the bottom R, and is fitted in each of the lattices 62 of the lattice-shaped fixing frame 60 assembled in the width direction of the river 1. The fixed frame 60 is fixed by a plurality of pairs of vertical piles 65 driven into the riverbed R so as to sandwich the frame rod 61.

Further, not only the charcoal piece 40 but also a ceramic piece 70 having an oil-absorbing property is
% Is preferably mixed. This ceramic piece 7
As 0, for example, a tea light TO manufactured by Telsa Co., Ltd.
(Product name) is preferable. Tealight TO is fired at a high temperature of 1,300 ° C. using natural clay and ore as main raw materials, has continuous pores of 10 to 80 μm, repels water, and is at least twice its own weight. It has the ability to adsorb only oil, has excellent oil absorbency, and contains no harmful substances.

Next, the operation will be described.
In the production process, countless small holes are formed in the traces from which the carbonized material has been removed during production, and the microorganisms are porous, have a large specific surface area, are highly adsorptive, and have microorganisms that decompose and purify organic substances in the small holes. Therefore, the cylindrical body 10 configured as described above
Is immersed in the stream of the river 1, the organic pollutants contained in the river water are effectively adsorbed by the pores and decomposed and detoxified by the microorganisms in the pores, so that the river 1 is purified. Moreover, since the charcoal pieces 40 are filled in the tubular body 10 and the upper part is covered with the rock pieces 50, the charcoal pieces do not easily flow into the water stream and are stable.

Further, in addition to charcoal and rocks, the apparatus includes
Logs and the like can be made of inexpensive materials, and the structure is simple. Therefore, if the charcoal pieces 40 lose their effect,
Since it is only necessary to take out the rock piece 50 and replace it with a new charcoal piece 40, the maintenance is easy and extremely simple.

In addition, the plurality of cylindrical bodies 10 filled with the charcoal pieces 40 and the rock pieces 50 are fixed to the grid 6 of the grid-shaped fixed frame 60 fixed by the vertical piles 65 driven into the riverbed R.
Since it is fitted in the cylindrical body 2, even if the water increases due to rainfall or the like and the flow becomes intense, the cylindrical body 10 does not easily move and flow out. Moreover, since the cylindrical body 10 having a circular cross-section is fitted into the rectangular fixed frame 60, the flow of water, such as the generation of a vortex, becomes complicated, and the contact between the charcoal pieces 40 and the water flow is promoted accordingly, and the river 1 increases the purifying action.

In addition, since the vertical frame member 30 is made of a halved log of cedar wood whose surface is carbonized, the vertical frame member 30 also has an action similar to that of the charcoal pieces 40, and the purification action of the river 1 is increased. Hard to corrode. In addition, when the ceramic piece 70 having oil adsorbability is mixed with the charcoal piece 40, oil contained in the water stream, particularly petroleum-based oil, is adsorbed, which is effective in purifying the river 1 contaminated with oil.

In FIG. 1, a tubular body 10 is
Although an example in which a plurality of stages are provided is shown, it goes without saying that the purification effect increases as the number of stages is increased.
In order to purify more effectively, it is desirable to install it upstream.

[0024]

As described above, according to the first aspect of the present invention, the organic pollutants contained in the river water are reduced by the pores when the water flow passes through the charcoal pieces filled in the cylindrical body. The river is purified because it is adsorbed and detoxified by microorganisms in the pores. Further, the device according to the present invention can be made of inexpensive materials, such as charcoal and rock, and also, for example, any of steel and logs, and has a simple structure.
Therefore, when the charcoal pieces lose their effectiveness, it is only necessary to take out the rock pieces and replace them with new charcoal pieces, so that maintenance is easy and very simple.

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effect described above, since a plurality of cylindrical bodies are fitted in the grid of the fixed frame, even if the flow increases due to rainfall or the like and the flow becomes intense, it does not easily flow out. In addition, the flow of water becomes complicated due to the generation of eddies and the like, so that the contact between the charcoal pieces and the water flow is promoted, and the purifying action of the river is increased.

According to the invention described in claim 3, according to claim 1
Or, in addition to the effect of the invention described in 2, since the vertical frame member is made of wood whose surface is carbonized, the vertical frame member also has an effect similar to a piece of charcoal, and the purification effect of the river increases,
Hard to corrode.

According to the fourth aspect of the present invention, in addition to the effects of the first, second or third aspect, the oil-absorbing ceramic piece is mixed with the charcoal piece, so that the charcoal piece is mixed with water. Oil, especially petroleum-based oil, is adsorbed and is effective in purifying rivers contaminated with oil.

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a river purification apparatus according to an embodiment of the present invention is installed in a river.

2 shows a charcoal piece 40 filled in the tubular body of FIG. 1,
FIG. 4 is a sectional view taken along line AA of FIG. 3.

FIG. 3 is a vertical partial sectional view of a tubular body.

FIG. 4 is an enlarged plan view showing a main part of FIG.

FIG. 5 is a sectional view taken along line KK of FIG. 4;

FIG. 6 is a sectional view taken along line LL of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 River 10 Cylindrical body 20 Horizontal frame member 25 Base plate 30 Vertical frame member 40 Charcoal piece 50 Rock piece 60 Fixed frame 61 Frame bar 62 Lattice 65 Vertical pile 70 Ceramic piece B Coach bolt R Riverbed

Claims (4)

[Claims] 1. A horizontal frame member arranged in at least two stages with a gap in the vertical direction, a plurality of vertical frame members fixed with a gap along the outer periphery thereof, the horizontal frame member and the vertical A tubular body surrounded by a frame member and immersed in the water flow of a river, a slab laid on the bottom of the tubular body, a piece of charcoal filled on the slab, and a piece of charcoal filled on the charcoal piece A river purification device, comprising: 2. A plurality of cylindrical bodies filled with the charcoal pieces and rock pieces are fitted in a grid of a grid-shaped fixed frame fixed by vertical piles driven into a riverbed. The river purification device according to claim 1, characterized in that: 3. The river purification apparatus according to claim 1, wherein the vertical frame member is made of wood whose surface is carbonized. 4. The river purification apparatus according to claim 1, wherein the charcoal piece is mixed with a ceramic piece having an oil absorbing property.