KR100945046B1 - A water purifier of a pollution source for ecological river and marshy land formation - Google Patents

Abstract

PURPOSE: A device for purifying and processing contaminated materials for making clean river and wetlands is provided to remove suspended materials and heavy metals through aquatic plants and aggregate filter layers, and to filter minute contaminated materials through a fine filter. CONSTITUTION: A device for purifying and processing contaminated materials includes the following: an ecology clean water disposal plant(10) surrounded with a cut-off wall(11); a plurality of microfilters(20) on which filaments(23) of high intensity is rolled; a purified water discharge pipe(24) exposed to river(1); a suspended material discharge pipe(25) exposed to the top of a planting space; a ball filter medium installed between the microfilters; an aggregate filter layer built in the top of the ball filter medium; and a wetland creating device.

Description

A water purifier of a pollution source for ecological river and marshy land formation}

The present invention is an ecological water treatment plant in which aquatic plants (minari, water hyacinths, etc.), aggregate filtration layers, anaerobic and aerobic sections, and silsa microfilters are stacked in multiple stages are introduced into streams by purifying various water pollutants and introducing them into rivers. It belongs to the technical field of water treatment of pollutants to improve ecosystem and restore natural wetland.

Generally, treatment facilities such as domestic sewage treatment plant, factory wastewater treatment plant, livestock wastewater treatment plant, golf course, and other pollutant sources are scattered in cities and county villages all over the country. Agricultural water and pesticide residues, such as heavy metals, are flowing into rivers.

These treated waters are heavily polluted due to chemical treatments, resulting in heavy metal contamination of fish and algae inhabiting rivers, producing deformed fish and deformed algae, as well as eutrophication in rivers. Phytoplankton will develop.

The eutrophication is caused by an increase in the amount of nitrogen and phosphorus-containing pollutants introduced into the stream, and the above pollution causes severe green algae in the stream. Cause harm.

Therefore, various attempts have been made in the field of water purification to contaminate the sources of pollutants flowing into the river. However, in the past, ecological water purification techniques of such sources are limited to chemical treatment methods such as microbial flocculants. However, the effects of water quality improvement are being reduced by one-time, short-term, or annual treatment.

In addition, in the case of large-scale small sewage treatment plants, there is a limit to actively cope with the increase and decrease of sewage treatment capacity.

The present invention is to actively solve all the problems caused by conventional pollutant ecological water purification technology, to remove suspended substances, heavy metals, etc. in the course of passing various pollutants through aquatic plants and aggregate filtration layer growing in the vegetation framework. In order to remove nitrogen, phosphorus, etc. in the process of sequentially passing through the ball filter medium, and to finally filter the fine contaminants in the process of passing through the fine thread fine filter as a problem of the invention.

In addition, the present invention is provided with a wetland composition device that can be easily integrated assembling a plurality of vegetation framework using a connecting bar to provide a planting space for aquatic plants throughout the ecological water treatment plant, as well as prevent the loss of soil and plants, natural wetlands It is a problem of the present invention to be able to form.

In addition, the present invention is provided with an aeration device for supplying air to the inside of the fine thread fine filter to aeration to transfer the micro-floatings and oil-like fish in the filter to the vegetation space or to replace, supply the air of the backwashing and aerobic sections in the filter It is to be an object of the invention.

The present invention is to provide a means for solving the above problems, the fine thread filter is installed at both ends connected to the purified water discharge pipe and the pollutant discharge pipe at the inner bottom of the ecological water treatment plant, the ball having a plurality of voids on the top of the fine yarn filter The filter medium is densely installed, and a multi-stage aggregate filtration layer composed of gravel, sand, and grid mesh is installed on the upper part of the ball filter medium, and the technique of assembling and arranging a plurality of vegetation frameworks integrally on the top of the aggregate filtration layer. Take a look.

In addition, the present invention provides a technique for forming a plurality of vegetation spaces in a lattice shape inside the vegetation frame of the quadrangular body, and forming a connecting groove that can be connected by inserting a connecting bar on all four sides of the vegetation frame.

In addition, the present invention devises a technique of installing an air blowing pipe inside the fine thread fine filter, and installing a flow control valve at each end of the purified water discharge pipe and the pollutant discharge pipe.

According to the present invention, various pollutants pass through aquatic plants, aggregate filtration layers, anaerobic and aerobic sections, and fine thread filters in the ecological water treatment plant in order to achieve natural cleanliness while maintaining excellent natural purification power. By improving the environment, eco-friendly ecological rivers are created, as well as preventing the depletion of living water, industrial water, agricultural water, etc. due to the pollution of river water.

Furthermore, by forming a natural wetland where fish, algae, and other aquatic plants can live on the upper side of the ecological water treatment plant, it can be used as an eco-learning site by making reports of indigenous fish and indigenous aquatic plants. In addition, it provides the effect of securing first-class water.

In addition, the present invention by increasing the aeration activity by supplying air to the inside of the fine thread fine filter to increase the amount of dissolved oxygen, transfer contaminants and greasy fish in the filter to the vegetation space, supply oxygen for plant growth, or in the filter By replacing and supplying air in the backwash and aerobic sections, ecological rivers and natural wetlands can be created more smoothly, as well as to maintain them continuously.

It will be described a preferred embodiment for implementing the solution of the problem to be solved by the present invention in more detail.

First, referring to the overall technical configuration according to the preferred embodiment of the present invention based on the accompanying drawings, ecological water treatment plant (10) surrounded by a water order wall (11) is opened at the top so that the source of contamination; Is disposed on the inner lower side of the ecological water treatment plant 10, a plurality of spiral yarns 23 made of high-strength coarse fibers or fibers are wound tightly on the outer side of the porous pipe 22 formed with a plurality of water holes 21 radially A fine thread fine filter 20; A purified water discharge pipe 24 which is exposed to the stream 1 through the water barrier wall 11 while being installed in communication with the purified water collection header 24a connected to one side of the porous pipe 22 so as to be water flowable; A float discharge pipe 25 exposed to an upper portion of the vegetation space 52 in a state of being installed in communication with a float collecting header 25a connected to the other side of the porous pipe 22 in a water flow; A ball filter medium 30 which is densely installed between the top and the top of the fine thread fine filter 20, and has a plurality of voids 31; An aggregate filtration layer 40 disposed on the upper portion of the ball filter medium 30 so as to be continuously and differentially stacked in multiple stages; Wetland forming apparatus for providing a growth environment of aquatic plants, fish, algae are arranged in a united state assembled in all directions via a connecting bar 55 a plurality of vegetation framework 51 on the top of the aggregate filtration layer ( It can be seen that the organic coupling configuration of 50).

Hereinafter, the present invention made of the schematic configuration will be described in more detail.

First of all, the ecological water treatment plant 10 of the present invention is a facility for the natural ecological purification treatment of various pollutants generated by installing in public water streams, domestic sewage treatment plants, factory wastewater treatment plants, livestock wastewater treatment plants, and lakes in golf courses. In order to introduce various pollutants, it is installed so as to be surrounded by an open order wall 11.

The bottom sand 12 is installed in the lower side of the ecological water treatment plant 10, and the fine thread fine filter 20 is disposed on the bottom sand 12.

The fine thread filter 20 is made of a porous pipe 22 having a plurality of through-holes 21 are formed at regular intervals along the longitudinal direction radially from the center, using PVC, double-walled high-pressure tube, etc. as raw materials, On the outside of the porous pipe 22 is composed of a configuration in which the thread (23) is wound tightly installed.

In addition, one side of the porous pipe 22 is connected to the purified water collecting header 24a so that water can be passed through, and the purified water discharge pipe 24 integrally connected to the purified water collecting header 24a passes through the order wall 11 to provide a stream (1). Is installed exposed.
In addition, the float collecting header 25a is connected to the other side of the porous pipe 22 so as to be water-permeable, and the floating discharge pipe 25 integrally connected to the floating collecting header 25a is exposed to the upper portion of the vegetation space 52. do.

Such fine thread fine filter 20 is fine thread fine particles fine particles contained in the contaminant finally introduced after passing through the aquatic plant (2), aggregate filtration layer 40, ball filter medium (30) as shown in FIG. 23) is filtered to near perfection, and only clean water is introduced into the interior through the water hole 21, and the internal space provides a habitat for a variety of fish, especially the existing water purification Compared to the filter, it is easy to clean and clean, so the maintenance cost is low, and it can be used semi-permanently.

In addition, the fine thread fine filter 20 is integrally connected to the purified water collecting header 24a and the floating water collecting header 25a at intervals. The type of pollutant, the amount of purified water, the breeding state of the fish, and the type of the lean fish According to the installation number or length, the aperture can be changed, the thread (23) can be processed into a general thread, string, cloth form using high-strength plywood, fiber, etc. in consideration of the durability, the porous pipe 22 may be formed in the form of a straight pipe or in the form of a concave-convex pipe in which concave and convex portions 22a and 22b are continuously formed as shown in FIG. 14 to maintain more excellent rigidity.

On the other hand, the ball filter medium 30 having a plurality of voids 31 is densely installed between the upper and the interval between the fine thread fine filter 20, the installation method of the ball filter medium 30 can be installed alone as well as separate It can be installed by mixing the sand or gravel, the ball filter medium 30 performs the anaerobic and aerobic function at the same time to oxidize nitrogen or phosphorus to release to the outside as well as to stay in the air to increase the amount of dissolved oxygen.

The ball filter medium 30 is made of HDPE high strength regenerated synthetic resin or ceramic as an element material, and is generally formed in a ball shape having a diameter of 80 mm or more, but may correspond to the following standard and may vary according to the type of pollutant. By manufacturing, an anaerobic section 32 and an aerobic section 33 suitable for the type of pollutant can be secured, and the voids 31 gradually progress from the outer surface 34 of the ball filter medium 30 to the center as shown in FIG. 8. It is formed into a conical shape with a smaller diameter.

At this time, the air gap 31 is located in the upper position from the center in the construction state, the air gap 31 is formed in the anaerobic section 32 to form an anoxic state in which there is no air while water is filled, on the contrary The air gap 31 is not filled with water, but the air is filled, thereby forming an aerobic section 33 which can increase the amount of dissolved oxygen, so that the ball filter medium 30 is anaerobic section 32 and aerobic section 33 at the same time. ) Can coexist.

Therefore, the ball filter medium 30 is nitrogen, phosphorus, etc. which is the main cause of water deterioration due to eutrophication as well as organic matter contained in the contaminant flowing down after passing through the aquatic plant (2), aggregate filtration layer (40). Provides the effect of tertiary reduction.

Next, the aggregate filtration layer 40 is installed on the upper part of the ball filter medium 30 in a differential manner in succession in multiple stages to pass through the aquatic plant 2 to purify heavy metals contained in the polluted material, which is primarily purified. By performing the filtration function, looking at the aggregate filtration layer 40 in more detail as shown in Figure 3, the gravel (41), coarse sand (42) and fine sand (43) continuously on top of the ball filter medium (30) The grid mesh 45 for filtering fine contaminants is additionally installed in multiple stages and prevents aggregates from being mixed or lost between the gravel 41, the coarse sand 42, and the fine sand 43. Is installed.

On the other hand, at the upper end of the aggregate filtration layer 40, wetlands are formed to prevent the loss of soil and aquatic plants, as well as to form wetlands, which are the growth environments of aquatic plants, fish and algae, in all areas of the ecological water treatment plant 10. The device 50 is arranged.

The wetland formation device 50 is an organic coupling configuration of a plurality of vegetation framework 51 having a quadrangular shape and a connecting bar 55 and a coupling pin 56 for connecting the vegetation framework 51 in all directions. The vegetation framework 51 is made by using HDPE high strength regenerated synthetic resin, which is excellent in rigidity, preventing breakage, and having excellent durability, and the connecting bar 55 is manufactured using SUS.

Here, the vegetation framework 51 is implemented in the shape of a quadrangular body in the present invention, but is not necessarily limited thereto, and may be implemented in the shape of a polygon such as a triangle, a pentagon, a hexagon, an octagon, and the like. Only changing the shape of) can never escape the scope of the present invention.

In the vegetation framework 51, a plurality of vegetation spaces 52 penetrating up and down are arranged in a lattice shape, and a plurality of connecting grooves 53 are recessed on the outer surfaces of all directions.

In addition, the vegetation mold 51 has a square stick shape in the facing connecting grooves 53 formed in the pair of vegetation molds 51 adjacent to each other, so that the vegetation mold 51 can maintain the assembled state mutually integrated when disposed continuously in all directions. Both sides of the connecting bar 55 having the same is inserted at the same time, the coupling hole 54 formed through the upper and lower portions of the vegetation framework 51 and the connecting groove 53 in this state and the coupling hole formed in the connecting bar 55 Since the coupling pins 56 are simultaneously fitted to the 54a, the plurality of vegetation molds 51 maintain a firm assembly state with each other and can be installed in the entire area of the ecological water treatment plant 10 without fail.

In addition, the vegetation framework 51, which has been assembled and installed, is evenly mixed with soil and subleaf soil to fill the vegetation space 52, and the vegetation space 52 is introduced into the upper portion of the vegetation framework 51 by planting various aquatic plants. Heavy metals and suspended solids contained in the pollutants are naturally ecologically purified by the aquatic plants (2), and such heavy metal suspended solids are nutrients in the process of growing the aquatic plants (2) to maintain a more dense underwater ecosystem. It provides the effect of preventing disasters and environmental pollution.

In addition, the wetland forming device 50 is installed on the top of the aggregate filtration layer 40 when the grid mesh 45 is additionally installed on the lower side to keep the sliding power of the aquatic plants smooth and robust, and thus Effectively prevent the loss of soil and aquatic plants during the rainy season.

Such a wetland formation device 50 can be used for the purpose of reinforcing the surface (3) of the river (1), as well as to create a wetland by installing inside the ecological water treatment plant (10), 4, the wetland formation device 50 is assembled and installed on the surface 3, and then firmly presses and secures the upper portion with the wire rope 57, but both ends of the wire rope 57 are embedded in the anchor block 58 buried underground. By firmly connecting), the vegetation framework 51 and the front surface (3) installed horizontally in the ecological water treatment plant 10 while preventing the loss of the wetland formation device 50 installed on the surface (3) efficiently Vegetation framework 51 is installed in an inclined state can be assembled smoothly using a separate connecting bar (55a) formed at an obtuse angle (鈍角) as shown in FIG.

Therefore, the plant can grow while reinforcing the surface (3) of the river (1), even if the plant is lost due to the rainy season, the roots of the plant remain and can be regenerated within a few days. It will be able to solve the problems such as natural plant members, the impossibility of passing through the surface caused by the construction method such as concrete structures, concrete blocks, stacking stones.

On the other hand, the present invention is to increase the amount of dissolved oxygen of the fine thread fine filter 20, supply of new air to the aerobic section 33, backwashing of the fine thread fine filter 20, the inside of the fine thread fine filter 20 The aeration device 60 having a variety of functions, such as forcibly transporting the septic fish to the upper portion, supplying oxygen according to the growth of aquatic plants, preventing the stagnation of the purified water is further provided.

9 and 11, the aeration apparatus 60 for this purpose is provided with an air jet pipe 41 connected to a separate air means (compressor, etc.) inside the purified water discharge pipe 24, and the air jet pipe 41 The branch is installed so as to be located inside each of the fine thread fine filter 20 via the inside of the purified water collection header 24a.

The air is discharged from the air discharge pipe 41 at the front end of the purified water discharge pipe 24 and the float discharge pipe 25 so that the air may select and play a different role according to the selective opening and closing operation of the flow path. The first and second flow control valves 63 and 64 for controlling are provided.

The aeration device 60 normally closes the second flow control valve 64, and the first flow control valve 63 opens and operates as necessary in consideration of the discharge amount of purified water, thereby finally finely treating the fine thread fine filter 20. The purified water is discharged smoothly into the river through the purified water discharge pipe 24, it is possible to adjust the amount of water purification according to the opening and closing degree of the first flow control valve (63).

And when the suspended matter inside the fine thread filter 20 increases, if the purification is not performed properly and the amount of purified water is insufficient, the first flow control valve 63 is closed and the second flow control valve 64 is opened. When the air blowing pipe 61 is operated and aerated, as shown in FIG. 12, as well as the fine suspended matter remaining in the fine yarn microfilter 20, the inhabitant oily fish is planted in the vegetation space 52 through the float discharge pipe 25 at the same time. It can be transported to the upper part of the aquatic plant.

In addition, when the air flow pipe 61 is again operated and aerated after the first flow control valve 63 is closed together after the transfer is completed, the fine suspended matter remaining in the fine yarn microfilter 20 is the upper portion as shown in FIG. 13. At the same time, the suspended matter remaining in the ball filter medium 30, the aggregate filtration layer 40, and the like is also transferred to the upper part by the aeration phenomenon. At this time, the air in the aerobic section 33 is replaced with fresh air, and the anaerobic section 32 The purified water filled in is replaced.

That is, by selectively controlling the opening and closing of the first and second flow regulating valves (63, 64), it is possible to effectively control the oil return and purified water amount of the fish, all these operations of the automatic control panel installed in a separate control station By setting the opening and closing of the valve, the aeration time and the amount of aeration through the operation, it automatically controls the purified water discharge water quality (water quality, quantity), the cleaning and dissolved oxygen in the fine thread 20, upstream of the smelt fish It is possible to control the transfer and the like.

The present invention made of such a configuration is that when the pollutant containing heavy metals is introduced into the ecological water treatment plant (10), aquatic plants (2), microorganisms of soil, aggregate filtration layer (40), anaerobic section (32) and aerobic section ( 33), after being passed through the fine fiber fine filter 20 in order to be purified and discharged to the stream (1), as well as to increase the amount of ozone oxygen through intermittent aeration it is possible to create a natural ecological river and natural wetland The pollutant flowing into the ecological water treatment plant 10 is located upstream, but the purified water discharge pipe 24 is located downstream so that the potential energy is increased by the elevation difference of the upstream and downstream, so that it can flow smoothly naturally. Have water

In addition, while the maintenance cost is low in the operation of the ecological water treatment plant 10, it can be actively used for various purposes such as parks, eco-learning sites, etc. according to design modifications, to secure stable water quality for pollutants, and to prevent contamination of groundwater. In addition, it can be said that it contributes to the creation of ecological rivers because it can efficiently manage the hazardous water of industrial facilities.

Figure 1 is a longitudinal cross-sectional view of the installation state of the pollutant treatment system to which the present invention is applied

Figure 2 is a plan sectional view of the installation state of the pollutant treatment system of the present invention

Figure 3 is an enlarged cross-sectional view of the installation state of the vegetation framework, aggregate filtration layer and the ball filter medium of the present invention

4 is a plan view of a state in which the wetland formation apparatus of the present invention is installed on the river and the legal surface

Figure 5 is an exploded perspective view of the wetland composition device of the present invention

6 to 7 is an enlarged cross-sectional view of the assembled state of the wetland composition apparatus of the present invention

8 is a longitudinal sectional view showing the internal structure of the present invention the ball filter medium

Figure 9 is a longitudinal cross-sectional view of the installation state of the present invention fine thread fine filter and air blowing pipe

Figure 10 is a side cross-sectional view of the installation state of the present invention fine thread fine filter and air blowing pipe

Figure 11 is a partial cross-sectional plan view of the installation state of the present invention fine thread fine filter and aeration device

12 is a longitudinal cross-sectional view of a state in which the float is transported upward through the float discharge pipe of the present invention.

Figure 13 is a longitudinal cross-sectional view of the aerated state of the present invention fine thread fine filter

14 is a longitudinal cross-sectional view of another embodiment of the porous pipe of the present invention.

[Explanation of symbols on the main parts of the drawings]

1: river 2: aquatic plants

10: Ecological water treatment plant 20: Fine thread filter

22: porous pipe 23: island yarn

24: purified water discharge pipe 25: suspended solids discharge pipe

30: ball filter medium 31: voids

32: anaerobic section 33: aerobic section

40: aggregate filtration layer 45: red mash

50: wetland formation device 51: vegetation framework

52: vegetation space 53: connecting groove

55, 55a: connecting bar 56: coupling pin

60: error unit 61: air blowing pipe

63: first flow control valve 64: second flow control valve

Claims (7)

An ecological water treatment plant 10 surrounded by a water order wall 11 having an upper portion open so that a pollutant is introduced; Is disposed on the inner lower side of the ecological water treatment plant 10, a plurality of spiral yarns 23 made of high-strength coarse fibers or fibers are wound tightly on the outer side of the porous pipe 22 formed with a plurality of water holes 21 radially A fine thread fine filter 20; A purified water discharge pipe 24 which is exposed to the stream 1 through the water barrier wall 11 while being installed in communication with the purified water collection header 24a connected to one side of the porous pipe 22 so as to be water flowable; A float discharge pipe 25 exposed to an upper portion of the vegetation space 52 in a state of being installed in communication with a float collecting header 25a connected to the other side of the porous pipe 22 in a water flow; A ball filter medium 30 which is densely installed between the top and the top of the fine thread fine filter 20, and has a plurality of voids 31; An aggregate filtration layer 40 disposed on the upper portion of the ball filter medium 30 so as to be continuously and differentially stacked in multiple stages; Wetland forming apparatus for providing a growth environment of aquatic plants, fish, algae are arranged in a united state assembled in all directions via a connecting bar 55 a plurality of vegetation framework 51 on the top of the aggregate filtration layer ( Pollutant treatment system for the construction of ecological rivers and wetlands, characterized in that consisting of 50). delete The method of claim 1, The porous pipe 22 is formed of a straight pipe or concave, convex, concave, convex concave-type pipes formed with concave-convex portions (22a, 22b), characterized in that the pollutant treatment apparatus for ecological rivers and wetlands composition. The method of claim 1, The ball filter medium 30 is formed in the shape of a circular ball, but a plurality of conical pores 31 are formed to gradually decrease in diameter from the outer surface portion 34 to the center portion, and the pores 31 are based on the center thereof. Located in the anaerobic section 32 is filled with water and the aerobic section 33 is located in the air filled at the same time, characterized in that configured to coexist contaminated water purification apparatus for ecological rivers and wetlands. The method of claim 1, Aggregate filtration layer 40 is continuously installed on the top of the ball filter medium 30, the gravel 41, coarse sand 42 and fine sand 43 are differentially installed in multiple stages, the gravel 41, coarse sand ( 42) and the fine sand (43) between the pollution source water treatment apparatus for the construction of ecological rivers and wetlands, characterized in that the grid mesh 45 is installed. The method of claim 1, The wetland formation apparatus 50 has a rectangular shape and a plurality of vegetation spaces 52 penetrating up and down are formed in a lattice shape, and a plurality of vegetation frames 51 having a plurality of connecting grooves 53 formed on all four outer surfaces thereof. and; Connecting bars 55 at both sides of which are simultaneously inserted into connecting grooves 53 formed in a pair of adjacent vegetation frames 51 when the vegetation frames 51 are continuously disposed in all directions; Ecology, characterized in that consisting of a coupling pin 56 that penetrates the upper portion of the vegetation mold 51 and is fitted into the coupling hole 54a formed in the connecting bar 55 while maintaining a firm assembly state between the vegetation molds 51. Pollutant treatment system for rivers and wetlands. The method of claim 1, The purge water discharge pipe 24 is provided with an air jet pipe 41 connected to an external air means, the air jet pipe 41 of each of the fine thread fine filter 20 via the interior of the purified water collection header 24a It is branched so as to be located inside, and the aeration device 60 is further provided at the front end of the purified water discharge pipe 24 and the floating water discharge pipe 25, the first and second flow control valves 63, 64 are respectively installed. Pollutant treatment system for the construction of ecological rivers and wetlands, characterized in that.

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