KR20130033738A - Modular infiltration trench combined with filter cartridges - Google Patents

Abstract

PURPOSE: A filtering penetration type water treatment apparatus is provided to effectively remove a polluted material and maintain a soil infiltration function at the same time, to increase pollution load removal efficiency by using filter media, and to facilitate maintenance management by installing and including the filter media in a cartridge structure. CONSTITUTION: A filtering penetration type water treatment apparatus comprises a first filter tub(100), a second filter tub(200), and a transfer device. The first filter tub and the second filter tub have side walls, and comprise filter media cartridges(110, 210) on top, and purification layers(120, 220) including crushed stone or sand on the bottom. The transfer device transfers treated water passed through the purification layer of the first filter tub to the purification layer of the second filter tub. The transfer device is an opening part formed on the lower part of the side walls between the first and second filter tubs. The filter media cartridge is comprised of a porous film formed on polygon shaped supports(130, 230) and the bottom of the supports, and is laminated with 2 or more cartridge blocks including the filter media inside. [Reference numerals] (AA) Rainwater effluent; (BB,CC,DD,FF) Penetration; (EE) Deposit product;

Description

Modular infiltration trench combined with filter cartridges}

The present invention relates to a permeation trench or a water treatment device that can effectively reduce the water pollution load caused by the initial runoff from a nonpoint source during rainfall. It is about a filter permeable modular penetration gutter device.

In general, pollutants can be divided into point pollutants emitted from a limited and limited point source such as domestic sewage, industrial waste and livestock waste, and nonpoint pollutants emitted from a wide range of nonpoint sources such as cities, roads and farmland. Can be.

In the case of point pollutants discharged from point sources, a separate purification device or wastewater treatment facility is installed in homes, factories, livestock farms, etc. to clean some of the pollutants. It remains on this unclear and extensive surface, and it is a major cause of water pollution by entering the public water or groundwater such as rivers with rainwater during rainy weather.

Non-pollutant treatment methods have recently been provided to overcome the damage of nonpoint pollutants, and methods using wetlands or reservoirs are sufficient to accommodate and clean up the initial rainfall flowing down with nonpoint pollutants from a range of nonpoint pollutants. It is very difficult to secure a place and space in the installation because it is required a relatively large scale.

Accordingly, the conventional non-point pollutant treatment method utilizes a treatment apparatus such as a sedimentation treatment facility with relatively limited land use, a filtration type facility, or an infiltration type facility that penetrates and purifies the soil layer. However, the conventional sedimentation treatment plant has a problem that it is buried by the soil, or the function is lost due to the continuous rainwater inflow without distinguishing the early and late rainwater, and in the filter type facility, the air gap of the filtering network is closed by the soil or Loss of filtration due to lack of management resulted in inefficiency in the removal of non-point source of rainwater from the early stage, and infiltration type through the soil layer also has difficulty in continuous soil and after-care and expects great efficiency in removing fine solids. It is difficult to do, and because it is limited to physical treatment, it is difficult to remove various types of water-soluble contaminants such as nutrients.

The present invention is to solve the above problems, by having both the advantages of the filter-type reduction facility by the filter cartridge and the infiltration type reduction facility by the purification layer, while maintaining the soil penetration function more effectively It is an object to provide a water treatment apparatus that can be removed.

In addition, the present invention is to improve the pollution load removal efficiency by using the filter medium, and further to facilitate the maintenance management of the filter medium.

In addition, the present invention is to flow down the inflow water evenly in the filter tank, so that the inflow water is purged evenly inside the filter tank without biasing forward.

Filter permeation type water treatment device according to the present invention for achieving the above object, the first filter tank and the second filter tank having a side wall, the filter medium is provided at the top, and the purification layer including crushed stone or sand at the bottom ; And transfer means for allowing the treated water passing through the purification layer of the first filtration tank to be transferred to the purification layer of the second filtration tank.

Here, the conveying means is preferably an opening formed in the lower end of the partition wall between the first filtration tank and the second filtration tank.

In addition, the filter medium cartridge is made of a polygonal side support and a porous membrane formed on the bottom of the support, it is possible to stack two or more cartridge blocks including the filter medium therein.

In addition, the present invention further includes a multi-segmentation tube provided on the upper part of the first filtration tank for flowing the inflow water to the upper portion of the filter cartridge, wherein the multi-sorting tube has a hole and a wave pattern formed side by side at the bottom. A plurality of semi-cylindrical tubes having sides may be arranged side by side in the inflow direction of the inflow.

Along with this, it is preferable to further include a mesh net provided inclined outward on the first filtration tank.

Furthermore, the present invention receives and discharges the treated water bypassed in the second filtration tank, and has a side wall, a filter cartridge provided at the top, and a purification layer including crushed stone or sand at the bottom. It further comprises a third filtration tank, the inner filtration layer of the third filtration tank is provided with a porous tube surrounded by a porous membrane, one end of the porous tube is more preferably penetrated to the outside of the third filtration tank.

Specific details of other embodiments are included in the detailed description and the drawings.

Since the present invention has both the advantages of the filter type reduction facility by the filter medium cartridge and the advantages of the penetration type reduction facility by the purification layer, there is an effect of effectively removing the pollutants while maintaining the soil penetration function.

In addition, the present invention can increase the pollutant load removal efficiency by using the filter medium, and furthermore, the filter is included in the cartridge structure, and thus the maintenance management can be easily performed.

In addition, the present invention has a multi-segmentation tube in which a plurality of semi-cylindrical pipes are arranged side by side in the upper part of the filtration tank, the influent can be evenly flowed down inside the filtration tank, so that the purification is made evenly inside the filtration tank without biasing forward. Can be.

1 is a cross-sectional view of a filtration penetrating water treatment apparatus according to an embodiment of the present invention,
2 is a plan view of a filtration penetrating water treatment apparatus according to an embodiment of the present invention,
3 is a perspective view of a filtration penetrating water treatment apparatus according to an embodiment of the present invention,
4 is a schematic view for explaining an example of the configuration of the media cartridge according to the present invention,
5 is a schematic view for explaining an example of the configuration of a multi-classifier tube according to the present invention,
6 is a cross-sectional view illustrating a process of transferring the treated water between the first filtration tank and the second filtration tank of the filtration penetrating water treatment apparatus according to an embodiment of the present invention,
FIG. 7 is a cross-sectional view illustrating a process of bypassing inflow water between a first filtration tank and a second filtration tank of a filtration permeation type water treatment device according to an embodiment of the present invention.
FIG. 8 is a layout view illustrating various examples in which a sedimentation tank, a first filtration tank, a second filtration tank, and a third filtration tank are disposed in a filtration permeation type water treatment device according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and will be described in detail in the detailed description. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

1 is a cross-sectional view of a filtration penetrating water treatment device according to an embodiment of the present invention, Figure 2 is a plan view of the filtration penetrating water treatment device, Figure 3 is a perspective view of the filtration penetrating water treatment device.

The present invention shown in the present invention is a permeate groove or a device installed therein to clean up before the non-point pollution flows into a stream or an appeal, and more specifically, a contaminant in which the ground surface of an artificial facility is contaminated by industrial activity and accumulated. Purifying nonpoint pollutants, which are washed in rainwater during early rains, before they enter rivers and lakes, they can prevent water pollution in advance and protect aquatic plants in natural ecosystems from nonpoint sources. A pollution filtration penetrating type purifying apparatus.

In the present specification, the filtration penetrating type means having a filtration function by a soil layer including media or sand, and at the same time, having a soil penetration function in which the filtered treated water penetrates into the ground.

To this end, the filtration penetrating water treatment apparatus according to the present invention, the first filtration tank 100 and the second filtration tank 200; And treated water transfer means 400 positioned between the first filtration tank 100 and the second filtration tank 200.

The first filtration tank 100 and the second filtration tank 200 may be a treatment tank buried in the ground, the front end of the first filtration tank 100 may be located in the precipitation tank 10 for the rainfall runoff is introduced, A third filtration tank 300 may be provided at the rear end of the second filtration tank 200. Thus, the inflow water bypassed from the settling tank 10 may flow into the first filtration tank 100 and may pass through the second filtration tank 200 and the third filtration tank 300. Preferably, the sedimentation tank 10, the first filtration tank 100, the second filtration tank 200 and the third filtration tank 300 are arranged side by side, it is preferable to discharge the outside after treating the effluent. Each treatment tank including the first filtration tank 100 and the second filtration tank 200 may be configured as a separate chamber, or may be a space separated by a partition wall in one chamber.

In the present invention, the first filtration tank 100 and the second filtration tank 200 have side walls, respectively, the upper end of the filter medium (110, 210) is provided, the lower end of the purification layer 120 containing crushed stone or sand , 220).

Thus, the inflow water introduced into the upper portion of the first filtration tank 100 may be purified while passing sequentially through the first filter cartridge 110 and the first purification layer 120. The first filtration tank 100 and the second filtration tank 200 may have an upper wall or a cover, and the lower portion of the first filtration tank 100 and the second filtration tank 200 may be opened so that the treated water passing through the purification layers 120 and 220 may penetrate into the ground. In addition, a lower portion of the first filtration tank 100 and the second filtration tank 200 may be provided with a separate screen or net to prevent the crushed stone or sand of the purification layers 120 and 220 from falling into the ground. Supports 130 and 230 for supporting the first filtration tank 100 and the second filtration tank 200 may be further included.

The filter cartridges 110 and 210 have a structure including a filter material such as a cloth or paper, a metal mesh, sand, or charcoal having a large number of small holes, for example, inside the cartridge or case. It is preferable to include fine particles such as sand, silt, gravel and clay. The outside may also be surrounded by a nonwoven fabric so that the media does not spill. The present invention includes such a filter cartridge (110, 210) at the top of the filter tank, by the filter medium to increase the pollutant purification ability or to increase the load removal efficiency, and further by mounting the filter medium in the cartridge structure It has the effect of easy maintenance. As described above, the present invention includes the media cartridges 110 and 210, and this is characterized in that the water treatment device that can be modularly coupled or the penetration trench including the same.

Figure 4 is a schematic diagram for explaining an example of the configuration of the media cartridges (110, 210) according to the present invention, as shown here, the media cartridges (110, 210), the polygonal side support 111 and the support ( 111) It is possible to stack two or more cartridge blocks 113 made of a porous membrane 112 formed on the bottom and including a filter medium therein. As described above, in the case of having two or more cartridge blocks 113, the filtration level can be easily adjusted by varying the number of stacking of the cartridge blocks 113, and different types and sizes of media for each cartridge block 113 are different. It is also possible to achieve a sequential filtration effect.

In addition, the present invention is provided with purification layers 120 and 220 including crushed stone or sand under the inner bottom of each of the first filtration tank 100 and the second filtration tank 200, that is, the filter cartridges 110 and 210. It is characterized by. The purification layers 120 and 220 may further include silt, clay, etc. in addition to the crushed stone or sand, and the purification layers 120 and 220 may physically filter the fine suspended solids and other contaminants. Particle phosphorus can be removed by inducing adsorption to the back, and ammonia nitrogen and nitrate nitrogen can be removed through biological nitrification and denitrification.

Particularly, the present invention includes a treatment water transfer means 400 positioned between the first filtration tank 100 and the second filtration tank 200, wherein the treatment water transfer means 400 includes the first filtration tank 100. It is characterized in that the treated water passing through the first purification layer 120 of the) is transferred to the bottom or side of the second purification layer 220 of the second filtration tank (200).

For example, the transfer means 400 may be an opening or a hole or a hole formed at the bottom of the partition wall between the first filtration tank 100 and the second filtration tank 200. If the first filtration tank 100 and the second filtration tank 200 are formed in separate chambers, the first filtration tank 100 and the second filtration tank 200 may be a pipe or a passage connecting the lower side surfaces of the first purification layer 120 and the second purification layer 220. .

Thus, the rainfall effluent flowing into and distributed over the first filtration tank 100 passes through the first filter cartridge 110 and the first purification layer 120 in order and undergoes a first purification process. Thus, the purified water is infiltrated into the ground under the first purification layer 120 through a natural infiltration process, and a portion of the purified water is passed through the transfer means 400 to the second filtration tank 200. ) Flows into the lower part. Then, some of the effluent flowing into the lower portion of the second filtration tank 200 penetrates into the soil under the second purification layer 220 through a natural infiltration process, and some of the excess water is different from the second purification layer 220. The second filter cartridge 210 passes through the second purification process while passing upward.

As such, the present invention has a transfer means 400 for transferring the treated water at the lower end between the first filtration tank 100 and the second filtration tank 200, so that suddenly a large amount of rainfall effluent water into the first filtration tank 100 Even when it is introduced, a large amount of effluent can be contained in the purification layers 120 and 220, and a wider simultaneous penetration area in the ground can be secured.

In addition, in the second filtration tank 200, the excess water penetrating from the first purification layer 120 passes upwardly to the second purification layer 220 and the second filter cartridge 210, thereby preventing clogging due to clay or silt. Can be reduced.

As described above, the present invention has both the advantages of the filter type reduction facility by the filter medium cartridges 110 and 210 and the advantages of the penetration type reduction facility by the purification layers 210 and 220, thereby maintaining soil penetration function and contaminating the soil. There is an effect that can remove the material more effectively.

Furthermore, the present invention may further include a third filtration tank 300 for receiving and discharging the treated water bypassed from the upper portion of the second filtration tank 200. The third filtration tank 300 also has a side wall, a third filter cartridge 310 is provided at the top, and a third purification layer 320 including crushed stone or sand is provided at the bottom. It is also possible to further include a support 330 for supporting the third filtration tank (300).

In one embodiment, a perforated pipe 700 surrounded by a porous membrane is provided inside the third purification layer 320 of the third filtration tank 300, and one end of the perforation pipe 700 has a third filtration tank ( It is preferable to penetrate the outside of 300).

Therefore, when the second filtration tank 200 is full, the rainfall effluent is bypassed to the upper portion of the third filtration tank 300 to be dispersed and introduced into the third filtration tank 300. The rainfall flowing in and out flows through the third filter cartridge 310 and the third purification layer 320 in descending order and undergoes a third purification process. The outflow water reaching the lower portion of the third purification layer 320 may be penetrated into the soil through a natural infiltration process, and some excess water may be discharged to the outside through the hole hole 700 installed in the third purification layer 320. .

5 is a schematic view for explaining an example of the configuration of the multi-classifier tube according to the present invention, the present invention is provided on the first filtration tank 100, as shown here, the inflow of the first filter cartridge 110 It may further include a multi-segment pipe 500 to flow evenly.

The multiple flow divider 500 includes a plurality of holes 510 formed side by side in the bottom surface of the tube and a semi-cylindrical tube having a lateral side 520 of a wave pattern in parallel to a plurality of sides. It is arranged. Such a semi-cylindrical tube has inlets and outlets through which inflow and outflow is introduced, and the inlets and outlets are preferably located in the inflow direction.

Thus, the present invention can be sent down evenly flowing through the inlet water to the upper end of the filter tank (100, 300) through the multi-segmentation tube 500, through which the inlet water is not biased toward the front of the filter tank (100, 300) It can be distributed evenly. Then, the media cartridges 110 and 310 and the purification layers 120 and 320 may be evenly purified and evenly penetrate into the ground.

Naturally, such a multi-segment pipe 500 may be provided on the third filtration tank 300.

1 and 3, the present invention preferably further includes a mesh net 600 which is inclined in an outward direction on the first filtration tank 100.

The mesh network 600 has a function of screening the contaminants included in the rainfall effluent flowing into the upper portion of the first filtration tank 100 from the settling tank 10.

That is, when rainfall runoff from the nonpoint source flows into the sedimentation tank 10, the sediment particles having a large specific gravity are first precipitated, and as the water continues to rise, the excess effluent flows to the first filtration tank 100. In this process, suspended impurities may be filtered through the mesh network 600.

6 is a cross-sectional view illustrating a process of transferring the treated water between the first filtration tank and the second filtration tank of the filtration penetrating water treatment apparatus according to an embodiment of the present invention, Figure 7 is a first A cross-sectional view for explaining a process in which influent is bypassed between the first and second filtration tanks.

That is, according to the present invention, the sum of the underground permeate flow rate Qi in the first and second filtration tanks 100 and 200 and the inflow flow rate Qf into the third filtration tank 300 is basically less than the rainfall effluent flow rate Qr. In the large case, the introduced effluent is transferred through the openings between the first and second filtration tanks 100 and 200 to undergo first and second purification processes.

However, when the rainfall runoff inflow Qr is greater than the sum of the underground infiltration flow rate Qi in the first and second filtration tanks 100 and 200 and the inflow flow rate Qf into the third filtration tank 300, the excess water By bypassing the partition walls between the first and second filtration tanks 100 and 200, rainfall effluent may be prevented from overflowing or backflowing the mesh network 600.

The present invention allows the incoming rainfall runoff to penetrate the ground as much as possible, and the excess water that does not penetrate through each of the three filtering tanks 100, 200, and 300 in turn. The filter cartridges 110, 210 and 310 and the purification layers 120, 220 and 320 of the filter can be continuously passed to reduce the contamination load caused by the rainfall effluent.

8 is a settling tank (10, T0), the first filtration tank (100, T1), the second filtration tank (200, T2) and the third filtration tank (300, T3) in the filtration permeable water treatment apparatus according to an embodiment of the present invention ) Is a layout diagram for explaining various examples of arrangement.

In the apparatus according to the present invention, the settling tank (10, T0), the first filtration tank (100, T1), the second filtration tank (200, T2) and the third filtration tank (300, T3) each have a separate treatment tank form In this way, since the layout of the facility can be variously modified according to the surrounding topography, there is an effect that there are few restrictions due to the location at the time of installation.

On the other hand, while the present invention has been shown and described with respect to certain preferred embodiments, the invention is variously modified and modified without departing from the technical features or fields of the invention provided by the claims below It will be apparent to those skilled in the art that such changes can be made.

10: settling tank 100, 200, 300: filtration tank
110, 210, 310: media cartridge 111: support
112 porous membrane 113 cartridge block
120, 220, 320: purification layer 130, 230, 330: support
400: conveying means 500: multi-classifier pipe
510: hole 520: side
600: mesh network 700: perforated pipe

Claims (6)

A first filtration tank and a second filtration tank having a side wall, provided with a filter cartridge at the top, and a purification layer including crushed stone or sand at the bottom; And
And transfer means for transporting the treated water having passed through the purification layer of the first filtration tank to the purification layer of the second filtration tank.
The method of claim 1, wherein the transfer means,
Filter permeation type water treatment apparatus, characterized in that the opening formed in the lower end of the partition wall between the first filtration tank and the second filtration tank.
The method of claim 2, wherein the media cartridge,
Filtration-infiltrating water treatment device consisting of a polygonal side support and a porous membrane formed on the bottom of the support, and two or more cartridge blocks are stacked therein.
4. The method according to any one of claims 1 to 3,
Further provided in the upper portion of the first filtration tank further comprises a multi-segment pipe for flowing the inflow water to the upper filter cartridge,
The multi-segmentation pipe is a permeation-type water treatment device, characterized in that a plurality of semi-cylindrical pipes having a side (hole) and the side of the wave pattern formed in parallel to the bottom side is arranged side by side in the inflow direction.
5. The method of claim 4,
Filter permeation type water treatment apparatus further comprises a mesh net inclined outward on the first filtration tank.
The method of claim 5,
Receiving and discharging the treated water bypassed in the second filtration tank, and having a side wall, a filter cartridge at the top, and a third filtration tank having a purification layer containing crushed stone or sand at the bottom Including,
A perforated tube surrounded by a porous membrane is provided inside the purification layer of the third filtration tank, and one end of the perforated tube is penetrated to the outside of the third filtration tank.

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