JPH081151A - Purification equipment - Google Patents

Abstract

PURPOSE:To prevent the damage and maldistribution of a porous adsorbent, to conduct decomposition treatment by iron oxide, and to improve a purification capacity by installing a lid on the upper opening of a purification chamber and a net basket in the purification chamber, and packing purification material in the net basket. CONSTITUTION:A water flow W is accelerated by a step part F' and passes through a lid 4 which closes the first. purification chamber 1. In this operation, large garbage, etc., are removed by the lid 4, and enough air is supplied to the water flow W. Small dirt contained in water which is introduced into the first purification chamber l through the lid 4 is adsorbed with a porous adsorbent 8 comprising charcoal in a net basket 7. The water flow W, which is purified to a certain extent, is introduced into the second purification chamber 2 from a communication port 6. In this process, earth and sand contained in the water flow W precipitate on the bottom wall 11 of the first purification chamber 1. The water flow W, which is introduced into the second purification chamber 2, is treated repeatedly as in the first chamber 1 and discharged from a lid 5. In this way, the damage and maldistribution of the porous adsorbent 8 is prevented, and also decomposition treatment by iron oxide is conducted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to purification equipment. More specifically, it relates to improvement relating to the purification performance of purification facilities constructed in relatively small-scale waterways such as agricultural waterways, streams and drains.

[0002]

2. Description of the Related Art Conventionally, as a purification facility, there is known, for example, one in which a synthetic resin net bag is filled with charcoal and is submerged in water upstream of a weir of a waterway.

This conventional purification equipment purifies the water stream by adsorbing fine dirt contained in the water stream to the porous charcoal, and the charcoal is replaced at regular intervals to improve the purification performance. I am maintaining.

In such conventional purification equipment, the charcoal is damaged during the filling work into the net bag or the submerged work at the upstream of the weir of the waterway, or the net bag is deformed by the water flow after the deposit. Since charcoal is unevenly distributed inside the purification room, there is a problem that the purification performance is low. Further, since recent small-scale waterways contain various kinds of components such as wastewater from general households, pesticides, and fertilizers, there is a tendency that charcoal alone cannot sufficiently perform purification treatment.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems and tendencies, and it is an object of the present invention to provide purification equipment having high purification performance.

[0006]

In order to solve the above-mentioned problems, the purification equipment according to the present invention employs the following means.

That is, according to the first aspect, an upper open type purifying chamber dug in a waterway floor, a structure that is openable and closable at the upper opening of the purifying chamber, and has a weight that does not move by the water flow. A lid provided with, an iron net cage that is held in a shape that can be accommodated inside the purification chamber and is attached and detached from the upper opening of the purification chamber, and a porous adsorbent that is stored inside the mesh basket. Consists of.

According to a second aspect of the present invention, in the purifying equipment of the first aspect, the porous adsorbent is charcoal.

[0009]

According to the above-mentioned means, in the first aspect, since the porous adsorbent is housed in the shape-retaining net cage, the porous adsorbent is not damaged or unevenly distributed as in the conventional example. Also, the net cage is protected by being surrounded by the purifying chamber and the lid. Furthermore, since the net cage is made of iron, a purification treatment with iron oxide is also performed. Therefore, the problem of providing purification equipment with high purification performance is solved.

Further, in the second aspect, in the operation of the first aspect, cheap and easily available charcoal is used as the porous adsorbent.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the purification equipment according to the present invention will be described below with reference to the drawings.

FIG. 1 shows a first embodiment of the purification equipment according to the present invention.

In this embodiment, the construction is made by utilizing the stepped portion of the small-scale water channel.

In this embodiment, a first purification chamber 1 and a second purification chamber 2 are dug on the downstream side of a step F ′ of a waterway floor F of a small-scale waterway. In these first purification chamber 1 and second purification chamber 2, a split stone 3 is laid to form bottom walls 11 and 21 and side walls 12,
22 is made of concrete and has an open upper part. The upper opening ports 13 and 23 of the first purification chamber 1 and the second purification chamber 2 are provided with lids 4 and 5, respectively.
Is provided.

The lids 4 and 5 are made of steel or the like in a disk shape,
Upper opening ports 13 and 2 of the first purification chamber 1 and the second purification chamber 2
It is adapted to be attached / detached to and opened / closed. The lids 4 and 5 are constructed by combining steel materials in a lattice shape or the like so that the water flow W can pass through. Also, the lids 4 and 5 have a water flow W.
It has a weight that does not move (displace, wash out).

The first purification chamber 1 is larger in size than the second purification chamber 2 and has the same bottom. The stepped portion F'of the water channel floor F is connected to the upper portion of the side wall 12 on the upstream side. The communication port 6 that communicates with the second purification chamber 2 is provided in the lower portion of the downstream side wall 12. The first purification chamber 1 first adsorbs filth contained in the water flow W.

The second purification chamber 2 has a smaller size and the same bottom as that of the first purification chamber 1, and the communication port 6 communicating with the first purification chamber 1 has an upstream side wall 22. It is provided at the bottom of. In addition, the upper opening 23 of the second purification chamber 2 is the first
Is set lower than the upper opening 13 of the purification chamber 1 of
The water flow is spouted and flows out from the upper opening 23 of the purifying chamber 2. The second purification chamber 2 continues the adsorption process in the first purification chamber 1.

Inside the first purification chamber 1 and the second purification chamber 2, iron net cages 7 are housed in such a manner as to fit into them. The mesh basket 7 is composed of a frame portion 71 of a thin rod and a mesh portion 72 stretched around the frame portion 71, and can be fitted in the first purification chamber 1 and the second purification chamber 2. The shape is maintained, and the upper opening 1 of the first purification chamber 1 and the second purification chamber 2
It is removable from 3,23. The net cage 7 housed inside the first purification chamber 1 and the second purification chamber 2 has a bottom wall 11 of the first purification chamber 1 and the second purification chamber 2 via a spacer 9. , 21 is provided with a gap S.

A porous adsorbent 8 is housed inside the net cage 7. As the porous adsorbent 8, charcoal, activated carbon,
There are various types such as ceramics nadgets and synthetic resin balls, but charcoal is preferable because it is cheap and easily available. In addition,
Since the mesh basket 7 is kept in a constant shape, the porous adsorbent 8 is stored in the mesh basket 7 and is stored in the first cleaning chamber 1 and the second cleaning chamber 2 of the mesh basket 7. It will not be damaged during storage work.

According to this embodiment, the water flow W flowing through the small-scale water passage is accelerated at the step portion F'and passes through the lid 4 which closes the first purification chamber 1. At this time, large dust and the like are removed by the lid 4, and sufficient air (oxygen) is supplied to the water flow W.

The water flow W that has flowed into the first purification chamber 1 through the lid 4 flows from the upper side to the lower side, and a relatively small amount of filth is introduced into the net cage 7 contained in the first purification chamber 1. The various components adsorbed by the stored porous adsorbent 8 are decomposed and purified by iron oxide generated by the corrosion of the iron net cage 7. Further, the aerobic bacteria adhering to the porous adsorbent 8 and the net cage 7 are activated by the oxygen supplied thereto, and biological decomposition of dirt and various components is also performed. Then, the water flow W that has been purified to some extent flows out from the communication port 6 into the second purification chamber 2. At this time, the earth and sand contained in the water flow W settle on the bottom wall 11 of the first purification chamber 1, but since the gap S is secured between the net cage 7 and the bottom wall 11, the water flow W The flow is not obstructed and the sediment of the porous adsorbent 8 is not covered.

The water flow W flowing into the second purification chamber 2 from the communication port 6 flows from the lower side to the upper side, and the same processing as in the first purification chamber 1 is repeated, and it is considerably purified to the downstream side from the lid 5. leak. In the second purification chamber 2, the sediment contained in the water stream W continues to be deposited on the bottom wall 21. It should be noted that this water flow W is accelerated in the step portion F ′, so that the second purification chamber 2
Never stagnant inside.

Inside the first purification chamber 1 and the second purification chamber 2 having such a purification action, the net basket 7 is formed by the flow of the water flow W.
Does not deform, the porous adsorbent 8 is not unevenly distributed.

Therefore, the degree of purification of the water flow W flowing out of the second purification chamber 2 becomes extremely high.

In order to replace the porous adsorbent 8, the lids 4 and 5 of the first purification chamber 1 and the second purification chamber 2 are opened, and the net cage in which the porous adsorbent 8 is stored. 7 is pulled up, and only the porous adsorbent 8 or the net cage 7 is exchanged together and returned to the first purification chamber 1 and the second purification chamber 2.

Therefore, the replacement work of the porous adsorbent 8 is extremely easy.

Further, according to this embodiment, since the structure is simple, the equipment can be inexpensively installed.

FIG. 2 shows a second embodiment of the purification equipment according to the present invention.

In this embodiment, in the structure in which the water flow W of the lids 4 and 5 is allowed to pass, the water flow angle is provided with an inclination θ corresponding to the flow of the water flow W.

According to this embodiment, the flow of the water stream W becomes smooth.

FIG. 3 shows a third embodiment of the purification equipment according to the present invention.

In this embodiment, in the structure in which the water flow W of the lids 4 and 5 can pass, the fitting grooves 4'and 5'to which the shield plate 10 for blocking the water flow of the water flow W can be fitted. It is provided.

According to this embodiment, the water flow W, such as after heavy rain
When the water is muddy water, etc., the shielding plates 10 are fitted to the lids 4 and 5 to interrupt the purification to prevent a large amount of earth and sand from accumulating in the first purification chamber 1 and the second purification chamber 2. You can

In addition to the illustrated embodiment, the first purification chamber 1 and the second purification chamber 2 may be dug in a portion of the waterway floor F other than the stepped portion F '. is there.

[0035]

As described above, the purification equipment according to the present invention is
In common with claims 1 and 2, the porous adsorbent is not damaged or unevenly distributed, and the decomposition treatment with iron oxide is also performed, so that the purification performance is enhanced.

Furthermore, since the porous adsorbent can be exchanged simply by opening the lid and pulling up the net cage, the porous adsorbent can be easily exchanged.

Further, in common with claims 1 and 2, since the entire structure is simple, there is an effect that the equipment can be inexpensively installed.

Further, in common to claims 1 and 2, since large dust and the like are removed by the lid, there is an effect that the purification treatment of the porous adsorbent is not impaired by the attachment of the large dust and the like.

Furthermore, since only charcoal can be obtained at low cost and easily, there is an effect that equipment and management are cheap and easy.

[Brief description of drawings]

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

FIG. 2 is a cross-sectional view of essential parts showing a second embodiment of the purification equipment according to the present invention.

FIG. 3 is a sectional view of essential parts showing a third embodiment of the purification equipment according to the present invention.

[Explanation of symbols]

 1, 2 Purification chamber 13, 23 Upper opening 4, 5 Lid 7 Net basket 8 Porous adsorbent W Water flow

Claims (2)

[Claims] 1. A lid provided with an upper open type purifying chamber dug in a waterway floor, a structure that is openably and closably provided at an upper opening of the purifying chamber, through which water flows, and a weight that does not move with the water flow. When,
Purification equipment consisting of an iron net cage that is retained in a shape that can be accommodated inside the purification chamber and is attached and detached from the upper opening of the purification chamber, and a porous adsorbent that is stored inside the cage. 2. The purification equipment according to claim 1, wherein the porous adsorbent is charcoal.