KR20060116098A - Non-point sources treatment equipment - Google Patents

Abstract

A water purification technology for effectively removing non-point source pollutants such as earth and sand, suspended solids, nutrients, heavy metals, insecticides and oils generated by first-flush runoff, and a non-point source treatment equipment which is not limited to the technology, but is capable of purifying water of rivers or lakes and marshes also are provided. In a water contaminant treating system comprising a flush-flush runoff separator(100), a settling tank(101) and a treatment equipment(102), an equipment for treating non-point sources is characterized in that the treatment equipment comprises: an internal settling tank(2) with a vortex inducing inflow pipe(1); a sediment collecting tank(4) that is in communication with a lower portion of the internal settling tank by means of an inclined plate(3); an internal cylinder part(5) for guiding ascent of influent flown into an upper portion of the internal settling tank; and an external cylinder part(9) which is concentrically divided into media charging chambers(6) by the internal cylinder part and charging tank separating partitions(7), and in which treated water discharge screens(8) are installed, wherein the internal cylinder part is in communication with the media charging chambers through influent distribution pipes(10) vertically arranged in multistage, and a catchment pipe(12) connected to a catchment well(11) for discharging purified effluent is installed on a bottom part between the charging tank separating partitions and the treated water discharge screens.

Description

Non-point sources treatment equipment

Figure 1 is a layout diagram of the overall equipment showing the water pollution treatment flow applied to the present invention,

Figure 2 is a configuration perspective view showing an example of the cylindrical boiling point pollution treatment apparatus that is the main part of the present invention,

3 (A), (B), (C) are explanatory diagrams of the media filling bag installed in FIG.

4 is an explanatory plan view showing the median filling room installed at one side in FIG. 2;

5 is an explanatory diagram of an influent water distribution pipe installed in FIG. 2;

6 is an explanatory diagram of a vortex induction inflow pipe installed in FIG. 2.

Explanation of symbols on the main parts of the drawing

1: vortex induction pipe, 2: internal settling tank,

3: inclined plate, 4: sediment collection tank,

5: inner cylindrical part,

6,6a, 6b, 6c, 6d, 6e: median filling room,

7: filling tank separating partition, 8: treated water outflow screen,

9: outer cylindrical portion, 10: influent distribution pipe,

11: water collecting well, 12: water collecting pipe,

13: media screen, 14: media filling bag,

15: magic tape, 16: leak hole,

17: nut part, 18: vortex induction guide nozzle,

19: overflow pipe, 20: filling tank upper cover plate.

The present invention relates to an apparatus for treating a non-point pollutant source, which is a major cause of water pollution, and more particularly, by purifying and discharging high concentration of various non-point pollutants contained by initial rainfall using charcoal filter media as an address material. The present invention relates to a non-point polluted raw water treatment device for preventing pollution of water resources such as rivers, lakes, and groundwater and improving water quality.

In general, water pollution refers to water, groundwater, and seawater, in which perishables and toxic substances are introduced, resulting in physical changes in water, which can not be used for various types of water or cause adverse effects on aquatic organisms. It is divided into point source and nonpoint source.

The former point pollutant refers to the pollutant of the wastewater containing pollutants through sewer pipe or metering at certain locations, such as factories, wastewater treatment plants, power plants, and abandoned mines. The latter nonpoint pollutants are contaminated in large areas scattered all over the place. Emission sources are, for example, pollutants contained in surface runoff or seeps into the ground, such as arable land, ranches, urban areas, forest areas, construction sites, parking lots, roads, various land development areas, factories and industrial areas. Examples of major pollution occurrences at the source.

Here, the latter non-point source is characterized by the natural causes of pollutants, unspecific discharge point, is discharged to a large area by dilution and spread, and difficult to predict due to the severe change of the discharge due to natural factors such as rainfall. Rather, they are difficult to collect and have inconsistent processing efficiency.

The materials of these nonpoint sources are sedimentary sediments that make up the largest portion of rainfall runoff; Nutrients that cause side effects such as nitrogen and phosphorus; Oils and lubricants that are deadly to aquatic life in small quantities; Metals such as lead, zinc and cadmium which are mainly contained in urban rainfall; Organic materials such as adhesives and cleanliness; Insecticides that are deadly to aquatic organisms such as herbicides and pesticides; Various bacteria and viruses; Gross Pollutants from construction sites, industrial sites and garbage.

The present invention is a water purification technology that effectively removes the above-mentioned soil, suspended matter, nutrients, heavy metals, insecticides, oils, and the like, which are non-point pollutants caused by initial rainfall among water pollution, but are not limited thereto. It is an object of the present invention to provide a non-point source treatment apparatus that can also purify the back.

In order to achieve the above object, the present invention first removes contaminants such as contaminants and earth and sand from contaminants in a shear sedimentation tank, and then introduces fine suspended solids and nutrients, heavy metals, pesticides, oils, and the like. In the system to be purified in the treatment device equipped with a filtration unit, the treatment device includes an internal sedimentation tank having a vortex induction inlet pipe through which the influent flows, and a sediment collecting tank communicating with an inclined plate toward the lower end of the internal sedimentation tank; The inner cylindrical portion for guiding the inflow of the inflow flowing toward the upper guide, separated by the inner cylindrical portion and the filling tank separating partitions and consists of an outer cylindrical portion equipped with a media filling room and the treated water outflow screens, wherein the inner cylindrical portion Media filling room in outer cylinder through multi-stage influent distribution pipes The bottom portion between the communication path is, the external cylinder filled tank partition portion and processing outlet screen has a water collecting pipe is connected to the sump for discharging the purified effluent is installed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is an overall flow configuration diagram of a water treatment purification system in which a boiling point treatment apparatus according to the present invention is installed, and FIG. 2 is a perspective view of a cylindrical boiling point treatment apparatus, which is a main part of the present invention, and FIGS. A partial explanation is also given.

In the present invention, as shown in FIG. 1, the rainwater initial rainwater introduced by the rainfall is separated from the influent initial rainfall separation device 100 to first remove fine particles and particulate matter from the shear settling tank 101, and In the water pollution treatment system in which suspended solids and nutrients, heavy metals, pesticides, oils, etc. are purified in a treatment unit 102 equipped with a filtration unit and discharged to the effluent treatment water, the treatment unit 102 induces vortex induction inflow of influent. An internal sedimentation tank (2) having a pipe (1), a sediment collecting tank (4) communicating with an inclined plate (3) toward the lower end of the internal sedimentation tank (2), and an inflow water flowing into the upper end of the internal sedimentation tank (2) The inner cylinder portion 5 for guiding the upward movement, the inner cylinder portion 5 and the filling tank separation partitions (7) concentrically separated by the media filling chamber (6) and the treatment water outflow screens ( 8) External cylindrical section with 9), wherein the inner cylindrical portion (5) is in communication with the media filling chamber (6) of the outer cylindrical portion (9) through the influent distribution pipes (10) arranged vertically in multiple stages, the outer cylindrical portion (9) At the bottom between the filling tank separating partition 7 and the treated water outflow screen 8, a collecting pipe 12 connected to the sump 11 for discharging the purified outflow water is installed.

The media filling chamber 6 is partitioned in parallel in multiple stages by a plurality of media screens 13 radially equiangularly arranged, and each media filling chamber 6, 6a partitioned between the media screens 13. 6b and 6c), the number of media filling bags 14 as shown in FIG. 3 (C) is shown in FIG. Each media filling bag 14 uses charcoal, such as black charcoal charcoal, as a media filtering material inside the arc, and the circumference and sides of the arc vary in accordance with the diameter of the filling tank. In order to recycle the media filling bag 14, each media filling bag 14 is provided with a magic tape 15 or a zipper such that the media filling bag 14 can be opened and closed freely around the arc. Filled inside Charcoal media fillers can be replaced and reused as needed.

On the other hand, the mesh of the grid-like synthetic resin mesh of the media filled bag 14 shown in Figure 3 is naturally determined according to the particle size of the charcoal filling.

The media types filled in the media filling bag 14 include charcoal, or charcoal mixtures, charcoal-diatomaceous earth mixed molding media, and molded diatomaceous earth media. The following Table 1 shows the particle sizes of media types filled in the media filling bags 14. And a preferred embodiment of the mesh of the media material and the lattice mesh.

Table 1

Media type Median diameter Media material (medium component material) mesh size   Charcoal 3-5 mm 100% charcoal (black charcoal or white charcoal) 1.5 mm 10-15 mm 100% charcoal (black charcoal or white charcoal) 5.0 mm 20-30 mm 100% charcoal (black charcoal or white charcoal) 10.0 mm 40-60 mm 100% charcoal (black charcoal or white charcoal) 20.0 mm 80-110 mm 100% charcoal (black charcoal or white charcoal) 40.0 mm   Charcoal mixture 3-5 mm Charcoal + GravelCharcoal + ZeoliteCharcoal + Zeolite + Molded Diatomaceous Media 1.5 mm 10-15 mm Charcoal + GravelCharcoal + ZeoliteCharcoal + Zeolite + Molded Diatomaceous Media 5.0 mm 20-30 mm Charcoal + GravelCharcoal + ZeoliteCharcoal + Zeolite + Molded Diatomaceous Media 10.0 mm 40-60 mm Charcoal + Gravel 20.0 mm 80-110 mm Charcoal + Gravel 40.0 mm  Charcoal-diatomaceous earth mixed molding media 3-5 mm Mixing diatomaceous earth with charcoal and shaping it into particlesShaping diatomaceous earth with charcoal and zeolite mixture and shaping it into particles 1.5 mm 10-15 mm Mixing diatomaceous earth with charcoal and shaping it into particlesShaping diatomaceous earth with charcoal and zeolite mixture and shaping it into particles 5.0 mm 20-30 mm Mixing diatomaceous earth with charcoal and shaping it into particlesShaping diatomaceous earth with charcoal and zeolite mixture and shaping it into particles 10.0 mm  Molded Diatomite Media 3-5 mm Granular molding with diatomaceous earth 1.5 mm 10-15 mm Granular molding with diatomaceous earth 5.0 mm 20-30 mm Granular molding with diatomaceous earth 10 mm

4 is a state in which one media filling chamber 6 shown in FIG. 2 is unfolded, and in FIG. 2, a media filling bag 14 is built in the media filling chamber 6 by two media screens 13. The sections are divided into three sections, but in FIG. 4, the media filling rooms 6 are divided into five sections by four media screens 13, and the media filling rooms 6a, 6b, 6c, 6d, and 6e are illustrated. As such, the media filling room 6 shows that the media screen 13 partitioning may be partitioned by various numbers.

As shown in FIG. 4, the particle diameters of the media materials respectively embedded in the media filling chambers 6a, 6b, 6c, 6d, and 6e divided by the four media screens 13 are determined in the first media filling chamber 6a. The porosities are increased toward the fifth media filling chamber 6e, which is the first to the inflows distributed through the outlet holes 16 described later in the inflow water distribution pipe 10 in parallel to the arrow direction. This is to prevent the porosity from closing when passing through the media of charcoal in the fifth media filling chambers 6a, 6b, 6c, 6d, and 6e.

On the other hand, Figure 5 shows an inlet water distribution pipe 10 for distributing and supplying the inflow water from the inner cylinder portion 5 to the median filling chamber 6 of the outer cylinder portion 9, this influent distribution pipe 10 ) Is spirally fastened through the inner cylindrical part 5 opened by a cylindrical synthetic resin pipe and the nut part 17 fixed thereto, and the other end is fixed to the inner wall of the outer cylindrical part 9. A plurality of outflow holes 16 are perforated around the pipe 10. The total length L of the inflow water distribution pipe 10 is divided into three equal parts so that the first circumference L of the total number of outflow holes 16 is formed. ₁ ): the second circumferential portion L ₂ : the third circumferential portion L ₃ is formed so that the ratio of 20%: 30%: 50%, the inflow water through the outlet hole 16 through the median filling chamber Evenly distributed in (6).

6 shows the influent vortex induction inlet tube 1 installed in the cylindrical inner sedimentation tank 2 in detail, the vortex induction inlet tube 1 is a cylindrical tube inlet water into the inner sedimentation tank 2 In order to guide the vortex induction, a plurality of vortex induction guide nozzles 18 are disposed at an isometric angle, and the drawing shows four as an example.

Meanwhile, the filling tank upper blocking film 21 and the filling tank upper cover plate 20 are installed at the upper portion of the processing apparatus 102 of FIG. 2, and the inner precipitation tank 2 is disposed at the upper end of the inner cylindrical portion 5. When there is a lot of inflow flowing through the overflow pipe 19 is installed to bypass the discharge without entering the median filling room.

Next, an operation method of purifying a non-point source using the present invention made as described above will be described.

As shown in FIG. 1, the initial rainfall inflow water is first purified in a known manner through the initial rainfall separation device 100 and the shear precipitation tank 101, and then the inflow water passing through the shear precipitation tank 101 is illustrated in FIGS. 2 is introduced into the internal sedimentation tank 2 of the treatment apparatus 102 shown in FIG. 2, in which the inflow water has a drop energy due to a difference Δh between the shear sedimentation tank 101 and the installation height of the treatment apparatus 102. In the state, the vortex induction of the internal settling tank (2) also enters the inlet pipe (1).

The vortex induction inlet pipe (1) is a circular tube for introducing the inflow water into the internal settling tank is installed in a circular shape to generate the vortex and has a plurality of vortex induction guide nozzles (18).

Therefore, the inflow water rises in the direction of the arrow while causing the vortex through the vortex induction inlet pipe 1, wherein particulate suspended matter precipitated by the vortex is stored in the sediment collection tank 4 through the inclined plate 3.

On the other hand, while the influent flowing in the vortex form ascending in the direction of the arrow along one passage of the inner cylindrical portion 5 to discharge the influent toward the influent distribution pipe 10 and the overflow inflow (Overflow) is the overflow pipe (19) Discharge through).

At this time, since the purification structure having the median filling chamber 6 is divided into two tanks by the filling tank separating partition 7, the inflowed water is also nutrient-treated at the same time.

The inflow water introduced into each of the inflow distribution pipes 10 is distributed through the outflow holes 16 of the inflow distribution pipe 10 into the first media filling room 6a and the second media filling room 6b, After being filtered while passing through the third media filling chamber 6c, adsorption is carried out by multiple media filled in the media filling chamber, and after the boiling point contaminants are removed, the treated water outflow screen 8 and the sump pipe 12 Collected through the sump (11) through the purified water is discharged.

As described above, the apparatus for treating non-point polluted raw water according to the present invention utilizes porous charcoal media having filtration and adsorption capacity to filter and adsorb soil, suspended solids, nutrients, heavy metals, insecticides, oils, etc. In addition, there is an advantage that the water purification can be performed by the purification process, and the rivers and lakes can be purified using various kinds of media based on charcoal as well as the treatment of boiling point pollutants by the initial rainfall.

In addition, the present invention is not only easy to maintain and install the light wood carbon media by filling the media filling bag, but also to reduce the required area of the facility compared to the conventional method using gravel, sand, etc. It has the advantage that it can recycle.

Claims (9)

Treatment equipment equipped with a filter unit to remove the impurities and particulate suspended solids first, and the fine suspended solids and nutrients, heavy metals, pesticides, oil, etc. in the initial influent water separation device 100 and shear settling tank 101 introduced by rainfall In the water pollution treatment system purified at 102 and discharged to the outflow treatment water, The treatment device 102 has an internal sedimentation tank (2) having a vortex induction inlet pipe (1) into which the influent flows, and a sediment collection tank (4) communicating with the inclined plate (3) toward the lower end of the internal sedimentation tank (2). ), While being concentrically spaced apart by the inner cylindrical portion 5, the inner cylindrical portion 5 and the filling tank separating partitions (7) to guide the inflow of the inflow water introduced into the upper end of the inner settling tank (2) It consists of an outer cylinder (9) having a median filling chamber (6) and installed with treatment water outflow screens (8), wherein the inner cylinder (5) is external through the influent distribution pipes (10) arranged vertically in multiple stages. In communication with the median filling chamber 6 of the cylindrical portion 9, the bottom of the separation tank 7 and the treated water outflow screen 8 of the outer cylindrical portion 9 to discharge the purified effluent water Non-point pollution source, characterized in that the collection pipe 12 is connected to the collection well 11 is installed Processing unit. The apparatus of claim 1, wherein the media filling chamber (6) is partitioned in parallel in multiple stages by a plurality of media screens (13) arranged radially at an angle. According to claim 2, wherein each of the media filling chamber is stacked with a plurality of media filling bags (14), each media filling bag 14 is a media that is a filter filtration inside the charcoal, such as black charcoal charcoal. The circumference of the arc and the length of the side are variously changed according to the diameter of the filling tank, and the magic tape 15 or the zipper is installed at the circumference of the arc to open and close freely for the recycling of the media filling bag 14. Non-point pollutant processing device, characterized in that made to replace the median filler of charcoal filling therein as necessary. 4. The apparatus of claim 3, wherein the media filled in the media filling bag (14) uses 100% charcoal, charcoal mixture, charcoal-diatomaceous earth molded media, and molded diatomaceous earth media. According to claim 1, wherein the inflow water distribution pipe 10 is fastened in a spiral via the inner cylindrical portion 5 and the nut portion 17 fixed to the inner cylindrical portion 5 is opened in a cylindrical synthetic resin tube and the other end is an outer cylindrical portion ( 9) is fixed to the inner wall, the non-point pollution source processing apparatus, characterized in that the periphery of the inlet water distribution pipe 10 is made of a plurality of outlet holes (16). The method according to claim 5, wherein the total length L of the inflow water distribution pipe 10 is divided into three and the first circumference L ₁ : the second circumference L ₂ of the number of the total outflow holes 16: A non-point pollution source treatment apparatus, characterized in that the ratio of the third circumferential portion (L ₃ ) is 20%: 30%: 50%. According to claim 1, wherein the vortex induction inlet pipe (1) is a cylindrical tube is formed of a plurality of vortex induction guide nozzles 18 are arranged at an isometric angle to guide the inflow of the inflow water into the inner sedimentation tank (2) A non-point source treatment apparatus characterized in that. 2. The boiling point according to claim 1, wherein the overflow pipe (19) is provided at the upper end of the inner cylindrical portion (5) to bypass and discharge the inflow water when the inflow water flows through the inner sedimentation tank (2). Pollutant treatment device. The apparatus of claim 1, wherein each of the media filling chambers (6) is provided with a filling chamber upper cover plate (20) and a filling tank upper blocking film (21).

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