KR200287647Y1 - the purificate equipments of a rainwater in an underflow pond - Google Patents

Abstract

The present invention relates to a rainwater purification device using a reservoir, and in particular, the initial rainfall effluent flowing out of the contaminated area and the development area is automatically powered on a first-come, first-served basis, and stored until the required time in the reservoir, while purifying pollutants by sedimentation, filtration and adsorption methods. After that, it discharges slowly to prevent peak flooding, to prevent flooding, to improve the quality of the discharged water, and to use the rainwater as a heavy water.The composition of this paper consists of stormwater sediment that separates the initial rainfall runoff (11). Rain storm collection facility 10 consisting of a rainwater pipe 12, an outlet pipe 13, and the rain pipe is connected to the reservoir so that the rain water flows into the reservoir while forming the rainwater chamber;

A storage facility 20 in which rainwater flows into the reservoir 21 through the separation pipe 14 in the rainwater collecting facility 10 of the rainwater collecting facility 10;

Rainwater purification device 30 formed of a floating water blocking net 33 and a plurality of rainwater purifiers 34 having an entrance door installed at a predetermined position of the reservoir 21 to purify the rainwater introduced into the storage facility 20 and ;

A discharge facility 50 configured to discharge the rainwater that has passed through the rainwater purifier 34 into the stream along the discharge pipe 51 by opening and closing the discharge valve 52;

In order to maintain the storage facility 20 is configured to maintain the maintenance facility 60 is installed inclined access road 27 so that equipment such as vehicles enter, but can be made to maximize the efficiency by functionally connecting the mutual relationship with each other. I would have to.

Description

The purificate equipments of a rainwater in an underflow pond

The present invention relates to a rainwater purification device using a reservoir, and in particular, the initial rainfall effluent flowing out of the contaminated area and the development area is automatically powered on a first-come, first-served basis, and stored until the required time in the reservoir, while purifying pollutants by sedimentation, filtration and adsorption methods. It is related to a rainwater purification device that can reduce the peak runoff by preventing the flood, improve the water quality of the discharged water, and further use the rainwater as heavy water.

In general, various development projects in the watershed cause flooding by increasing runoff during rainfall.

Due to logging pavement and building installation, the coefficient of runoff changes, the flow path is changed to increase the runoff, and the paddy or lowland land is eliminated.

Therefore, in the development area, efforts are needed to reduce the amount of outflow due to the development, which prevents flooding by storing the increased flow rate on a first-come, first-served basis, and at the same time, prevents water pollution due to nonpoint pollutants.

Rainwater flowing out of human operations contains many pollutants.

Non-point pollutants that are scattered over large land surfaces, such as urban areas, industrial areas, roads, farmland, and construction sites, are called nonpoint pollutants.

These non-point pollutants are caused by human life, industrial activities, transportation use, various development projects, and descent dust.

Rainfall in the watershed penetrates into the soil and runs out when the soil is saturated.

Pollutants that are distributed on the surface of the earth will spill with rainwater at this time.

When spills occur, contaminants enter waterways or rivers, and when rainfall continues, the runoff increases with soil and sedimentation.

The quality of the initial rainfall runoff, including non-point pollutants, depends on the watershed characteristics of the watershed, watershed characteristics such as land and topography, and rainfall patterns such as rainfall duration and frequency.

In high-density areas such as urban areas, industrial areas, and urbanized areas, various kinds of pollutants accumulate on the surface, and the initial rainfall runoff in these areas contains pollutants such as suspended solids, organic matter, nutrients, heavy metals, and oil. It contains a lot of high pollution degree.

On the other hand, rural areas, construction sites, parks, and bare lands are mostly unpaved areas, and pollutants are distributed on the surface of the land and its lower layers.In case of rainfall, pollutants are discharged along with the soil. Organics, nitrogen and phosphorus are included.

In particular, phosphorus is a conservative substance that is adsorbed in the soil or exists in the form of particulates, and then enters the water with sediment during rainfall, causing eutrophication in stagnant water.

At present, the contribution rate of pollutant load in public waters by nonpoint pollutants is about 30%, so the quality of rivers and lakes can not be improved without proper treatment of point pollutants and sufficient measures for nonpoint pollutants.

Therefore, in the conventional rainwater purification method including the initial rainfall outflow, various methods are applied according to the circumstances of each country.

Especially in advanced foreign countries, various methods have been applied, such as the installation of rainwater reservoirs, wetlands, infiltration into soil, and filtration in storm pipelines.

Looking at these conventional methods are as follows.

First, in the establishment of reservoirs

Rainwater introduced into the reservoir will stay for a certain time to precipitate particulate matter.

At present, rainwater reservoirs installed at home and abroad are mainly installed in lowland areas such as riversides and reservoirs to prevent floods, and the storage tanks are empty for the storage of rainwater during flooding and only a certain level of water is left.

However, these facilities do not separate and store only initial rainfall effluents, but are structures that contain all the effluents from the watershed, and can store rainwater as much as the storage capacity of the reservoir. Inflow is discharged to the outside.

Therefore, if the inflow is large, the reservoir becomes turbulent, and fine particulate matter in the water does not settle, and in the suspended state, it flows through the channel and flows out to the outside, thereby reducing the water purification effect by precipitation.

In addition, during peak flow, the residence time is shortened and the holding force is increased, so that the precipitated particles may float and flow out, and the safety of the storage facility may be concerned.

In addition, this reservoir has a lot of flows during rainfall, and a lot of soil is introduced, and sand is accumulated and the bottom is high, causing many problems.

As such, current rainwater reservoirs have been installed to prevent flooding, but have a flood control effect, but water purification effects cannot be expected.

On the other hand, there is an infiltrarion method to filter the polluted rain and discharge it to the outside by laying a filter medium such as sand at the bottom of the reservoir and burying a collecting pipe below it. Inorganic silt or organic matter precipitates at the bottom and blocks pores on the surface of the filter, which reduces the filtration effect and later loses its function.

Second, in the installation of wetlands

The wetland is an ecological space where aquatic plants grow and coexist with aquatic and terrestrial organisms. Wetlands for water purification are installed within a depth of about 60cm.

Rainwater entering wetlands is purified by precipitation, adsorption to soil, degradation by microorganisms in soil and plants, plant uptake, and food chains.

However, wetlands need a large area, irregular purification effect, difficult maintenance such as sludge dredging, and in the absence of management, water quality deteriorates.

Third, in the filtering facility on the storm pipe

This method uses the following methods to purify rainwater by making a manhole-shaped structure on rainwater pipelines and installing a filtration device inside or branching off from the pipeline.

(1) Method of making filter material filling space by using manhole structure itself and purifying rainwater by filling filter material such as sand and gravel in this space

(2) Method of purifying rainwater by making a manhole structure on rainwater pipelines and installing a number of modular cartridge-type small filtration devices filled with various types of filter media or adsorbents therein.

(3) Small-scale filtration facilities branched off from pipelines to clean rainwater by making sand filter papers planted with sedimentation and aquatic plants in cylindrical structures.

However, these methods are suitable for small-scale facilities and have the following disadvantages, such as the need for pretreatment facilities because there is no sedimentation basin or small scale.

① It is expensive at large scale because construction cost is high.

② It is necessary to filter the silts because the silt cannot be removed.

③ As soon as surface closure occurs due to filtration of silt, filter life is shortened and loss head is increased.

④ A facility for the prevention of inflow of contaminants, soils, etc. is required for the filtration facility and its management is required.

⑤ No flood prevention effect due to lack of storage function.

Fourth, in the soil penetration method

This method is to fill the groundwater with rainwater by using soil pollutant filtration, and to create rainwater, such as roads, parks, urban development areas, etc. It is a method of forming a planting base layer or permeation packaging and passing rainwater through this filter layer and penetrating it into the lower soil.

However, this method is limited to installation due to the permeability of the underlying soil, the instantaneous permeation rate is small, so it is suitable for small flow rate, the surface of the filter layer is easily closed, and there is a fear of contaminated ground water.

In order to solve the problems of the prior art as described above,

First, to find a device that can clean the water quality economically and effectively remove pollutants contained in the rainwater flowing out of the development area,

Secondly, to use rainwater reservoirs for the purpose of flood prevention and water purification at the same time.

Third, it aims to find an economic way to purify polluted rainwater and use it as heavy water.

The present invention for achieving the above object is, first, to create a reservoir for storing the rainwater flowing out of the development area by minimizing the size of the purification facility by first separating the first runoff runoff with high pollution,

Second, by operating the reservoir as a batch to settle and remove particulate contaminants for a sufficient time until the next rainfall, and then discharge the upstream water on the sediment sedimentation layer or purify the upper water from the reservoir by filtration adsorption method, etc. Economical and efficient rainwater purification is possible

Third, in the lake preventive reservoir installed in the development area, it does not introduce all the effluents from the watershed, but collects and stores only the quantity increased by the rainfall on first-come-first-served basis, and discharges slowly after the rainfall to achieve the purpose of flood control. At the same time, the stored water containing the contaminants is kept in a stable state to precipitate and remove particulate contaminants, and the supernatant water on the sediment deposition layer is discharged or an additional water quality purifier is installed to purify the supernatant water in the reservoir. Can also achieve the purpose of water purification

Fourth, contaminated rainwater can be stored in the reservoir to purify the water quality using physicochemical methods such as removing suspended solids, sedimentation, and filtration adsorption ion exchange, which can be used as heavy water. The object is achieved by providing a rainwater purification device using a reservoir where the supernatant water from which substances and suspended matters have been removed is immediately purified by filtration adsorption ion exchange or the like to be an economical method for dewatering rainwater.

1 is a plan view of an open storage facility according to the present invention

2 is a cross-sectional view of FIG.

Fig. 3 is a sectional view of a closed type storage facility as another embodiment of the present invention.

4 is a longitudinal cross-sectional view of FIG.

5 is a cross-sectional view of various rainwater purifiers connected to the discharge pipe according to the present invention;

as

Figure 5a is a cross-sectional view of the upper body type water purifier connected to the discharge pipe

5B is a cross-sectional view of the upper and lower body water purifier connected to the discharge pipe.

Figure 5c shows a cross-sectional view of the tray settled water purifier connected to the discharge pipe

It is

6 is a cross-sectional view of various rainwater purifiers in FIG.

6a is an upper body water purifier and FIG. 6b is an upper and lower body water purifier.

(FIG. 6C) shows a tray settled water purifier (FIG. 6D) shows a tray settled water purifier

Figure 6e is a perspective view of the water purifier coupled to the tray (Fig. 6d)

A plan view is shown.

* Description of the symbols used in the main parts of the drawings *

10: Rainwater collection facility 11: storm soil

12: inlet line 13: outlet line

14: separation pipe 15: rainwater tosoil floor

16: Stormwater Flood Committee 20: Storage Facility

21: reservoir 23: reservoir bottom

25: Shooting Range 26: Reservoir Flood Committee

30: rainwater purifier 32: tray

33: Float screen 34: Rainwater purifier

41: upper body 42: lower body

43: upper plate 44: lower plate

44a: tray hanger 45: external network

45a: vertical channel 45c: follicle, adsorption cloth, fine mesh

47: outlet hole 47a: outlet pipe

48: horizontal network 49: particulate media

49a: particulate filling space 50: discharge facility

51: discharge pipe 52: discharge valve

53: sump 54: pump

61: inclined passage 62: manhole

70: cushioning material 100: upper body type water purifier

200: upper and lower body water purifier 300: tray settle water purifier

Referring to the configuration and operation of the present invention in detail by the accompanying drawings as follows.

As shown in Figures 1 to 2, the configuration of the present invention, to form a rainwater toil chamber (11) for separating the initial rainfall outflow, and the rainwater toil having the inlet pipe (12), the outlet pipe (13) and the collecting function A rainwater collecting facility (10) consisting of a separation pipe (14) connected to the reservoir so that rainwater flows into the reservoir;

A storage facility 20 in which rainwater flows into the reservoir 21 through the separation pipe 14 in the rainwater collecting facility 10 of the rainwater collecting facility 10;

Rainwater purification device 30 formed of a floating water blocking net 33 and a plurality of rainwater purifiers 34 having an entrance door installed at a predetermined position of the reservoir 21 to purify the rainwater introduced into the storage facility 20 and ;

A discharge facility 50 configured to discharge the rainwater that has passed through the rainwater purifier 34 into the stream along the discharge pipe 51 by opening and closing the discharge valve 52;

In order to maintain the storage facility 20 is configured to maintain the maintenance facility 60 installed inclined access road 27 so that equipment such as vehicles enter, but configured to maximize the efficiency by functionally connecting the mutual relationship with each other to be.

Rainwater sewers 11 of the rainwater collecting facility 10 are installed at the same location as the reservoir 21 so that the stormwater level 16 of rainwater sediment and the floodwater level 26 of the reservoir are flush with each other and flow into the reservoir. The separation pipe 14 is configured to be installed lower than the outflow pipe 13.

Reservoir 21 of the storage facility 20 is to dig deep to the bottom of the reservoir 23 to create a shooter level 25 so that suspended matter such as earth and sand is settled, but the discharge pipe 51 is installed on the sediment deposition layer.

Referring to the effect of the present invention configured as described above are as follows.

In this case, the reservoir 21 is a facility where rainwater is stored and purified.

In case of separation from rainwater soil, sedimentation occurs while staying in the calm state after being stored in the reservoir, and it can be stored until the next tea collection or the stored water is used depending on rainfall frequency, surface pollution, water use necessity, etc.

The size of the reservoir is determined according to the case of storing the total increase and only the peak runoff increase in the flood control reservoir that stores the increased rainwater due to the development of the watershed. Considering the characteristics, the initial rainfall runoff should be sufficiently stored.

At this time, all the facilities including the reservoir should be installed in accordance with the standard of the facility and the safety standard. The reservoir is generally installed as an open facility, but the area can be restored as an underground facility in an area without a site.

The reservoir 21 is provided with a rainwater inlet pipe, that is, a separate pipe 14 and a discharge pipe 51 of rainwater soil, and a rainwater purifier 34, which is a rainwater purifying device, is installed in the discharge pipe to further process the rainwater. .

The position of the inlet pipe 14 is determined according to the location of the rainwater discharge chamber 11 and the shape of the reservoir 21, and the position of the discharge pipe 51 is determined by the location of the discharge water and the installation of the vehicle and the like for the installation and management of the rainwater purifier. Make it accessible

Large sand, etc. introduced into the reservoir 21 will be settled at the inlet side, but the fine particles will remain suspended in the entire area and will be settled when the turbulence is stabilized.

The settling velocity of the particles is determined by the size and specific gravity. The settling velocity of the 0.005mm sized sand particles with a boundary line between the silts and clays is about 1.5m per day. The residence time of work is required.

Meanwhile, in order to maximize the water purification effect due to sedimentation of particulate contaminants in the reservoir, it is necessary to separate the supernatant without incorporation of sediment.

In this paper, a discharge pipe 51 is installed at a height of 30 cm or more from the bottom of the reservoir to use the depth below the discharge pipe as a sediment deposition area.

This sedimentation zone is a shooter area, so that water is not discharged to the outside, so it is possible to separate the supernatant water without mixing of sediment.

In addition, the main feature of this paper is to use the reservoir as a sedimentation basin and at the same time install a rainwater purifier so that the inlet of the discharge pipe is vertically directed to the sky.

Rainwater purifier installed on top of the discharge pipe is filtered by the water pressure of the upper depth.

If sediment accumulates halfway in the shooter, drain the reservoir and dredge the sediment.

The dike height of the reservoir should have a marginal height so that it will not be flooded with the flowed water when the stormwater level rises temporarily during flooding. Additional flood control.

In this way, the main reservoir can be installed for other purposes, but it is not necessary for overdraft discharge during flooding.

In the reservoir, the sloped access road 61 is made to allow the entry of vehicles and people for dredging and removal of floats, the floor is made of concrete or natural materials, and the surface is inclined to drain well during dredging. The door is installed in the blocking network 33 to allow access.

Water that has been settled from the reservoir or purified by the rainwater purifier is discharged to the outside through the discharge pipe. However, when the discharge zone is lower than the reservoir, it is discharged as natural oil. Therefore, discharge valves and water gates are installed in the discharge pipe to control the discharge. To use the station in high or heavy water, the sump and pump are installed and discharged.

In this case, a separate discharge pipe with a valve may be installed in the discharge pipe in front of the discharge valve so as to remove water from the catcher.

On the other hand, contaminated rainwater contains large and small contaminants, various suspended soils, various soluble substances, organic nutrients, oils, and the like.

Particulate pollutants introduced into the reservoir are settled by gravity and suspended matter is suspended by the blocking network 33 to stop the movement.

As such, the supernatant from which particulate matter and suspended solids are removed contains dissolved organic matter, nitrogen, phosphorus, heavy metals and oil, and there are some undeleted particulate matter.

In order to remove these substances, functions such as filtration adsorption and ion exchange are required, so adsorption cloth, filter cloth, porous natural stone and artificial chaff activated carbon, etc. are used to remove particulate matter and oil depending on the pollutants to be removed. For the removal, activated carbon zeolite ion exchange resin is used, or the media developed for the removal of nitrogen, phosphorus, etc. are processed into particles to fill the rainwater purifier, and the reservoir water is passed through the water purifier with hydraulic pressure to remove contaminants.

The rainwater purifier 34 may be installed in a rectangular tube or cylindrical shape so as to be locked in the water so that the water can pass through the upper and lower four sides in a mesh 45 or a perforated plate. (25) The upper body water purifier 100 using only the upper portion and the upper and lower body water purifier 200 using the lower shooter may be configured,

According to the filter filling method, the single filter filling type water purifier filling the inner filter filling space 49a with one type of filtering medium and the filling space 49a are divided into several meshes to fill several types of filtering materials. Water purifier can be configured

It may be composed of a foam type rain water purifier that wraps the follicle, the adsorption cloth, fine mesh net, etc. from the outside to the outer network 45, the water is introduced.

The foam type water purifier has a straight foam type water purifier having upper and lower surfaces having the same size as the water purifier body and the discharge pipe 51.

In addition, there is a direct type water purifier and a tray settled water purifier 300 according to the connection method of the discharge pipe 51.

The upper body type water purifier 100 is closed by plates 43 and 44 to seal the upper and lower surfaces thereof, and drills the outlet hole 47 in the center of the lower plate, attaches the outlet pipe 47a, and the outer surface captures the particulate filter 49. The outer mesh 45 is made of a wire mesh, a plastic mesh, etc., through which water can pass, and a vertical water channel 45a is made of a mesh in the center portion, and the bottom plate 44 is connected to the outlet pipe 47a or the outlet hole 47 is connected. A water purifier filled with particulate filter (49) necessary for water purification in the space between the two networks by installing a middle filter (45b) perpendicular to the inner space of the body and filling various types of filter media together. I can make it.

This water purifier is directly connected to the end of the discharge pipe installed on the shooter level.

The installation height of the water purifier shall be such that the bottom plate is in line with the shooting level.

The water purifier installed in the water is opened when the discharge valve of the discharge pipe is opened or the pump is started, the water flows through the external network of the water purifier, flows in the horizontal or diagonal direction, gathers in the center and flows out to the lower outlet pipe.

However, the reservoir water is discharged from the upper part through the water purifier based on the shooter level, but the lower part of the reservoir becomes a catchment area.

This shooter area has no other use as a space for sediment deposition, but this design uses this shooter area as a media filling space.

Upper and lower body type water purifier 200 is a water purifier using the top and bottom of the shooter as the bottom of the water purifier meets with the shooter bottom plate is extended to the same shape as the upper body 41 using a plate that does not pass water to make the lower body 42 The lower surface is blocked with a plate, and the outlet hole 47 is drilled in the center, and the outlet pipe 47a is attached.

In addition, two horizontal meshes 48 are installed at the center of the lower body, leaving spaces for water to flow in the upper and lower portions, and filling the particulate medium 49 in the mesh space.

In the upper and lower body type water purifier, the water purified first from the upper body is purified secondly from the lower body, and the inside is partitioned with a mesh to fill various types of media to increase the purification efficiency.

On the other hand, when the residence time is short or there is an additional post-treatment process in the reservoirs storing large amounts of particulate contaminants, oils, organics, etc., it is necessary to remove the particulates or oils easily. In the state of filling or not filling the filter medium, a foam type water purifier is installed to surround the outside of the filter cloth, the adsorption cloth, and the fine mesh 45c.

The filter cloth may be covered with a cover to block sunlight on the upper body so that algae do not attach and grow.

Each type of water purifier made in this way is connected to the discharge pipe (51), if the water purifier is larger than the discharge pipe is installed so as not to fall.

The connection method of the water purifier 34 and the discharge pipe 51 prevents the inflow of the sediment during the installation and replacement of the direct type and the water purifier that directly combines the water purifier outlet pipe 47a and the discharge pipe 51 as shown in FIG. There is a tray set-up for easy connection.

Tray 32 is attached to the inlet of the discharge pipe 51 and made to the size that the body of the water purifier can enter.

Tray settled water purifier 300 is a tray hanger jaw (44a) on the outside between the upper body and the lower body and attach the cushion material 70, such as a rubber plate under the chin so that the tray is seated by its own weight or attached by a separate binding device Combines on a tray

Since the lower surface of the lower body 42 has a horizontal mesh 48 is installed to make the length of the lower body lower than the height of the tray to ensure a space for water flow.

Each water purifier makes disassembly and assembly possible for internal cleaning and replacement. The size of the water purifier is determined according to the manufacturing cost, the convenience of maintenance, the size of the reservoir and the number of installations. .

Water purifiers are installed in a reservoir and installed in a number of places, and they are located in the entrance of a vehicle so as to be transported by a crane or the like so that they can be easily installed and replaced.

On the other hand, rainwater has a limited time flow only during rainfall, but the total outflow is very characteristic.

Therefore, it is more effective to collect and store the initial rainfall effluents with high pollutants rather than to introduce all effluents in the reservoirs to store the rainwater increased due to the development and to clean the non-point pollutants. Becomes higher.

In other words, the early rainfall runoff with high pollution is separated and stored in the storage tank, and after the rainfall is finished, it is purified and discharged slowly to prevent flooding in the downstream area, to minimize the size of the purification facility, and to maximize the purification effect by securing sufficient residence time. can do.

Rainwater reservoirs are typically installed in the lower lowlands of the watershed.

At this time, if the rainwater silt or beam is located at a higher position than the reservoir, the reservoir can be filled with initial rainfall runoff, but the rainfall continues to flow into the reservoir through a separate pipe, so that the water purification effect becomes the same as that of the conventional reservoir.

In order to prevent this, the water gate must be installed in front of the separation pipe 14 to store the initial rainfall runoff and then shut off the water gate.

In addition, the reservoir should be built as an emergency route.

However, in this paper, when the rain falls in a flood prevention reservoir or a nonpoint pollutant purification reservoir, the initial rainfall effluent can be automatically separated on a first-come, first-served basis and stored in the reservoir.

This method installs stormwater silos 11 at the same location adjacent to the reservoir 21 so that the flood level 16 of the storm drain 11 and the flood level 26 of the reservoir 21 are flush with each other. Install the separation pipe 14 of the lower than the outflow pipe 12, and the bottom 23 of the reservoir is deeper than the bottom 15 of the storm soil to secure the required storage capacity.

The initial rainfall runoff during rainfall enters the reservoir through the segregation pipe 14 of rainwater tosoil and starts storage.

If the inflow is continued and the water level of the reservoir 21 rises and the water level of the reservoir is equal to the water level of the rainwater tosoil 11, the inflow into the storage tank is stopped. Begins.

As such, the initial rainfall runoff is automatically stored and stored on the first-come, first-served basis in the order of storage capacity, and further rainfall runoff is discharged downstream without entering the reservoir.

As a result, there is no need for a runway in the reservoir.

However, the reservoir's dike must be raised high enough to avoid flooding as the flood level in the river rises.

At this time, the amount of water stored in the reservoir 21 is a flood control amount and when the river water level is lowered, that is, when the water level of the stormwater sediment 11 is lowered, the quantity stored in the reservoir 21 is reversed through the sedimentary pipe 14. 11) flows downstream and is discharged and the water level of the reservoir is fixed at the same height as the bottom height of the stormwater discharge pipe (13).

This level is the storage level of the reservoir.

If the reservoir is located at a low place and the rainwater soil or the high ground is located, the waterway is installed and the pipeline is extended to the reservoir instead of manipulating the floodgate during rainfall. You can pick up rainfall.

Therefore, the already installed flood control reservoir map is installed adjacent to the reservoir 21, and additional storm soil is installed, and an outflow pipe is installed to exclude surplus water from the storm drain to the lower reservoir. Therefore, the reservoir can be operated in a batch-wise manner, and thus the water purification effect can be expected.

As another embodiment according to the present invention will be described in detail with reference to Figure 3 to 4 the upper cover rainwater reservoir.

If the site of installation of reservoirs is narrow or absent in urban areas and complexes, the reservoir can be installed underground and the upper part of the reservoir can be covered and used as a playground, park or parking lot.

However, in the upper abdominal reservoir, the sloped access passage 61 is opened for the dredging and maintenance of the sediment, and the upper manhole 62 is installed for the installation and replacement of the rainwater purifier.

These openings are fitted with grating lids or fences to prevent safety accidents.

When the storage water in the reservoir can not be discharged as natural oil or when the storage water is to be used as the heavy water, the water collecting well 53 and the pump 54 are installed and pumped.

In another embodiment according to this paper, a method that can be applied to a bottom infiltration reservoir is to form a filter layer at the bottom of the reservoir in a reservoir storing rainwater and river water containing a large amount of organic matter and particulate contaminants. After removing the material by precipitation, the supernatant is sent to the lower filter layer through the rain water purifier to remove soluble organic substances.

The filter layer is made of natural or artificial materials such as sand, gravel, zeolite, etc., and a number of horizontal oil pipes are installed at the upper part of the filter layer to evenly decompose the reservoir water. Install it.

At the bottom of the reservoir above the filter bed, a sand layer or a barrier is installed to prevent sediment from entering the filter bed.

Rainwater purifiers can easily remove particulate matter and are easy to maintain.

The water passing through the filter layer is collected at the bottom of the sump, rises and is discharged overflow to secure the reservoir level.

As described above, the present invention is not limited to the preferred embodiments of the above-described characteristics, and various changes can be made by anyone having ordinary knowledge in the field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. .

As described above, the rainwater purification method and the apparatus using the reservoir according to the present invention, first, can be sure to remove the non-point pollutants flowing out with the rainwater. Second, the flood control reservoir can be used for water purification at the same time as the flood control. Third, the reservoir for purification of nonpoint pollutants can be used for flood control. Fifth, because the precipitation and filtration is carried out, the water purification efficiency is high, and the treated water quality is stable. Sixth, the filtration is carried out after precipitation, and the size of the filtration facility can be reduced. Seventh, the polluted rainwater is purified to remove the polluted water. Eighth, there is less trouble in inflow water quality, basin size, installation place, etc., and there is no need for filtration site and small treatment facility, so construction cost is low, and ninth, it is easy to maintain and maintain. At the same time, it is a low cost, high efficiency technology that has low cost and high efficiency, which is more effective than conventional methods. It is a very economical and very useful design.

Claims (6)

Rainwater sediment (11) is formed to separate the initial runoff water and the rainwater sessile has an inlet pipe (12), the outflow pipe (13) and the collecting function to the sedimentation pipe connected to the reservoir so that rainwater flows into the reservoir. A rainwater collecting facility 10 configured; A storage facility 20 in which rainwater flows into the reservoir 21 through the separation pipe 14 in the rainwater collecting facility 10 of the rainwater collecting facility 10; Rainwater purification device 30 formed of a floating water blocking net 33 and a plurality of rainwater purifiers 34 having an entrance door installed at a predetermined position of the reservoir 21 to purify the rainwater introduced into the storage facility 20 and ; A discharge facility 50 configured to discharge the rainwater that has passed through the rainwater purifier 34 into the stream along the discharge pipe 51 by opening and closing the discharge valve 52; In order to maintain the storage facility 20 is configured to maintain the maintenance facility 60 installed inclined access road 27 so that equipment such as a vehicle enters, it is made to maximize the efficiency by functionally connecting the mutual relationship with each other. Rainwater Purification System Using Reservoir The storm drain chamber 11 of the rainwater collecting facility 10 is installed at the same position as the reservoir 21 so that the flood stage 16 of the storm drain chamber 16 and the flood stage 26 of the reservoir have the same height. Rainwater purification device using a reservoir, characterized in that the sedimentation line 14 of rainwater tosoil flows into the lower than the outlet line 13 According to claim 1, wherein the reservoir 21 of the storage facility 20 is dug deep to make a catchment level 25 on the reservoir bottom 23 to allow the suspended solids, such as earth and sand, to settle the discharge pipe (51) on the sediment deposition layer Rainwater purification device using a reservoir, characterized in that the installation According to claim 1, The rain water purifier (34) is a rectangular cylinder or cylindrical shape is closed with a plate to seal the upper and lower surfaces, but through the outlet hole 47 in the center of the lower plate to attach the outlet pipe 47a and the outer surface is submerged in water The outer mesh 45 is installed to allow the water to pass therethrough, and then wrapped around the follicles, the adsorption cloth, the fine mesh 45c, and the like, while the vertical water channel 45a is formed in the central portion of the mesh to the outlet plate of the lower plate 44. 47. A rainwater purification device using a reservoir, characterized in that the particulate intermediary (49) required for water purification is filled in the space between the two nets by plugging the outlet hole (47) into the net. According to claim 1, wherein the rain water purifier 34 is divided into the upper body water purifier 100 using only the top of the shooter 25 depending on whether or not to use the shooter, and the upper and lower body water purifier 200 using the bottom of the shooter. According to the filter filling method, a single filter filling water purifier for filling the inner filter filling space 49a with one type of filter medium, and a filling filter for filling several types of filter medium by dividing the filling space 49a into several networks. It is divided into a filling type water purifier, and further divided into a direct type water purifier and a tray settled water purifier 300 according to the connection method of the discharge pipe 51, and using each storage water purifier selectively according to the storage conditions. Rainwater purifier A rainwater collecting facility (10) consisting of rainwater soil (11), inflow pipe (12), outflow pipe (13) and separation pipe (14); A storage facility 20 into which rainwater flows into the reservoir 21 through the separation pipe 14 in the rainwater chamber 11; A rainwater purifier 30 formed of a float screen 33 and a plurality of rainwater purifiers 34 having access doors installed at predetermined positions of the reservoir 21; A discharge facility 50 configured to discharge rainwater having passed through the rainwater purifier 34 along the discharge pipe 51; In the maintenance facility 60, the inclined access road 27 is installed so that equipment such as a vehicle enters in order to maintain the storage facility 20 and the rainwater purifying apparatus 30, Cover the upper surface of the rainwater chamber 11 and the reservoir 21 with concrete, but install a manhole 62 on the upper portion of the storm soil 11 and a manhole for installing and replacing the rainwater purifier 34 on the upper portion of the reservoir. (62) and the open inclined passageway 61 is provided, but the grating lid or fence is installed in the open portion, while the storage water in the reservoir can not be discharged as natural oil or when the storage water is to be used as heavy water. ) And the pump 54 is installed to pump the rainwater purification device using a reservoir