JPH0576895A - Discharged water purifying device for water channel - Google Patents

Abstract

PURPOSE:To inexpensively arrange the title device and to enhance the purifying function thereof. CONSTITUTION:In a three-surface water channel A having a recessed cross section consisting of both left and right side walls and a bottom wall, the lower parts of both inner surfaces of the side walls of the water channel are made thick to provide small stepped parts and a lid 2 is stretched over the left and right small stepped parts to be fixed thereto to constitute an upper water channel 3 and a lower water purifying water channel 4 to the three-surface water channel 3. Purification is promoted in the lower water purifying water channel 4 and the amount of flowing water is ensured in the upper water channel 3 above the lid 2 at the time of flooding.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage purification system for waterways used in waterways of general rivers, drainage paths for golf courses and park facilities.

[0002]

2. Description of the Related Art A conventional drainage purification system for a waterway purifies wastewater by treating a large amount of water collected from a sewer or a stream with a large apparatus such as a sedimentation tank, a filtration tank, or an aeration tank. It was

[0003]

However, in the conventional drainage purification system for waterways, since it is a large-sized device,
It costs a lot of money. Also, in recent years, various waterways have been created,
It has become necessary to cleanse this easily. In particular, during the dry season, the ratio of contaminated water to the flow of the stream increases, and the values of BOD (biological oxygen demand) and COD (scientific oxygen demand) increase, so that effective purification is possible. There is a need.

In view of the above points, the present invention has an object to be installed at a low cost and to enhance the purification function.

[0005]

As shown in FIGS. 1-A and 1-B, the problem-solving means according to the present invention is a three-sided waterway A having a concave cross-section consisting of left and right side walls and a bottom wall. By providing a small step portion 1 with an increased wall thickness, and placing a lid 2 over these left and right small step portions 1 and fixing them,
An upper water channel 3 and a lower purified water channel 4 are formed in the three-sided water channel A.

A pair of weirs 5 and 6 are provided in the lower purification water passage 4 at intervals to improve the purification performance. Further, a pair of weirs 6 is provided in the lower purification water channel 4 in order to improve the purification ability, and a settling tank 7, a crushed stone tank 8, a ceramic tank 9 or a charcoal tank 10 is formed in the partition of these weirs 6.

[0007]

The action of each tank in the lower purified water channel 4 according to the flow of water in the above means for solving problems will be described with reference to FIGS. 1A and 1B.

First, running water is put into the first settling tank 7a to settle pebbles and the like. After that, the running water that passed the partition weir 13
Twigs, dead trees, vinyl, empty boxes, etc. are removed through the mesh grating 11 and placed in the second settling tank 7b to precipitate silt (mud, clay).

Next, the running water that has flowed over the overflow weir 5 is guided to the induction tank 12
The bottom window 6 of the bottom window weir 6 while improving the purification capacity.
Flow from a to the tank 8 of crushed stone 8a. Impurities are removed by bacteria such as soil fungi generated from the crushed stone tank 8 and then placed in a ceramic tank 9 through a bottom window weir 6 to three-dimensionally contact bacteria generated in a porous and water-permeable ceramic pipe 9a. And further promote the purification of water. After that, the charcoal tank 10 is further purified through the bottom window weir 6 in the charcoal tank 10 by the adsorption and deodorizing action of the charcoal 10a and the action of bacteria. After that, the bottom window weir 6 is passed through again and the crushed stone tank 8 is put in to further purify it, and then it is flowed to the upper water channel 3.

When the amount of water is large, the water flows through the upper water channel 3 above the lid 2, so there is no problem.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 7. In a three-sided water channel A having a concave cross-section consisting of left and right side walls and a bottom wall, the wall thickness of the lower inner surface of both side walls is increased. A small step portion 1 is provided, and a lid 2 is placed over the left and right small step portions 1 and fixed thereto to form an upper water channel 3 and a lower purified water channel 4 in the three-sided water channel A.

In order to improve the purification capacity, the lower purification channel 4 is provided with an upstream overflow weir 5 with a recess 5a and a downstream bottom window 6a with a bottom window weir 6 spaced from each other. ing.

Further, a pair of bottom window weirs 6 with bottom windows 6a are provided in the lower purification water channel 4 in order to improve the purification capacity,
A sedimentation tank 7, a crushed stone tank 8, a ceramic tank 9 or a charcoal tank 10 is formed in the partition of these weirs 6.

The present invention is a combination of a conventional water channel having a vertically double structure and a unit having a purifying device provided at the bottom thereof. As a basic block, as shown in FIG. 2, a block B1 only for the upper water channel 3, as shown in FIG. 3, a block B2 in which an overflow weir 5 and a bottom window weir 6 are provided in the lower purified water channel 4, shown in FIG. As shown in FIG. 5, a block block B3 having no partition in the lower purified water channel 4, and a block block B4 having partition weirs 13 at both ends of the lower purified water channel 4, as shown in FIG.
As shown in FIG. 6, a block lock B5 in which a bottom window weir 6 is provided at about 1/3 of the lower purification water channel 4, and a block lock in which partition weirs 13 are provided at both ends of the lower purification water channel 4 as shown in FIG. There are B6 etc.

Further, a nut 14 is embedded in the small step portion 1 in the water channel of the present invention, a lid 2 is placed on the nut 14, and the lid is fixed by a bolt passed through a lid hole.

Further, the lid 2 is preferably made by embedding a pseudo-stone pattern or natural stone on the surface in order to naturally harmonize. The lid 2 not only prevents crushed stones, ceramics, and charcoal from flowing out, but also protects the lower purified water channel 4 from stones and foreign matter flowing from upstream.

Next, in accordance with the flow of water, the lower purified water channel 4
The operation of each tank in FIG. 1 will be described with reference to FIGS. 1A and 1B.

First, the running water is put into the first settling tank 7a to precipitate pebbles and the like. After that, the running water that passed the partition weir 13
Twigs, dead trees, vinyl, empty boxes, etc. are removed through the mesh grating 11 and placed in the second settling tank 7b to precipitate silt (mud, clay).

Next, the running water that has flowed over the overflow weir 5 is guided to the induction tank 12
The bottom window 6 of the bottom window weir 6 while improving the purification capacity.
Flow from a to the tank 8 of crushed stone 8a. Impurities are removed by bacteria such as soil fungi generated from the crushed stone tank 8 and then placed in a ceramic tank 9 through a bottom window weir 6 to three-dimensionally contact bacteria generated in a porous and water-permeable ceramic pipe 9a. And further promote the purification of water. After that, the charcoal tank 10 is further purified through the bottom window weir 6 in the charcoal tank 10 by the adsorption and deodorizing action of the charcoal 10a and the action of bacteria. After that, the bottom window weir 6 is passed through again and the crushed stone tank 8 is put in to further purify it, and then it is flowed to the upper water channel 3.

When the amount of water is large, the water flows through the upper water channel 3 above the lid 2, so there is no problem.

It is needless to say that the present invention is not limited to the above embodiment, and many modifications and changes can be made to the above embodiment within the scope of the present invention.

[0022]

As is apparent from the above description, according to the drainage purification system for a water channel of the present invention, purification is promoted in the lower purification water channel 4, and at the time of increasing water, the upper water channel 3 above the lid 2 secures the amount of water flow. be able to. In addition, crushed stones and ceramics that generate bacteria such as soil fungi are semi-permanent, and charcoal can be replaced once or twice a year.
Maintenance costs are particularly low. Furthermore, the width and depth of the water channel can be changed according to the amount of drainage, and according to the purpose of purification,
The type of substance used for purification can be easily changed, and a wide variety of wastewater can be supported. Further, depending on the installation location, it is possible to widen the range of installation conditions such as open conduit and underdrain. Furthermore, the concrete block for the waterway, which is made of concrete, is manufactured at the factory, which minimizes the construction work on site, shortens the construction period, and does not require electrical equipment because it is a natural flow system. Furthermore, since it is buried in a waterway, there is no need to pay for land, and costs can be reduced. In addition, if it is a culvert, it can be used as a park. And it does not require a professional engineer for construction. In addition, since no power is required, there is no problem of noise, which is an excellent effect.

[Brief description of drawings]

FIG. 1-A is a sectional side view of a front half of an overall view of a drainage purification system for a water channel according to an embodiment of the present invention.

FIG. 1-B is a sectional side view of the latter half of the overall view of the drainage purification system for a water channel according to the embodiment of the present invention.

FIG. 2 is a perspective view of a trihedral waterway block with only an upper waterway.

FIG. 3 is a perspective view of a three-sided canal block that has an overflow weir and a bottom window weir in a lower purification channel.

FIG. 4 is a perspective view of a three-sided waterway block with no partition weir in the lower purification waterway.

FIG. 5 is a perspective view of a three-sided waterway block with a partition weir provided at both ends of the lower purification waterway.

FIG. 6 is a perspective view of a three-sided waterway block with a bottom window weir provided at about 1/3 of the lower purification waterway.

FIG. 7 is a perspective view of a three-sided canal block with a partition weir provided at both ends of the lower purified water canal.

[Explanation of symbols]

 A Three-sided waterway 1 Small step 2 Lid 3 Upper waterway 4 Lower waterway 5,6 Weir 7 Settling tank 8 Crushed stone tank 9 Ceramic tank 10 Charcoal tank

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location C02F 3/10 A 6647-4D E03F 5/14 8202-2D // B01D 29/00

Claims (3)

[Claims] 1. In a three-sided waterway having a concave cross section composed of left and right side walls and a bottom wall, a small step portion is provided by increasing the thickness of the lower inner surface of both side walls, and a lid is put over these left and right small step portions to fix them. By doing so, a drainage purification system for a waterway, characterized in that an upper waterway and a lower purification waterway are formed in the three-sided waterway. 2. A drainage purification system for a waterway, wherein the lower purification waterway according to claim 1 is provided with a pair of weirs spaced apart from each other in order to improve the purification capacity. 3. The lower purification channel according to claim 1 is provided with a pair of weirs for improving the purification capacity, and a sedimentation tank, a crushed stone tank, a ceramic tank or a charcoal tank is formed in the partition of these weirs. A drainage purification system for waterways.