KR101639004B1 - Rainwater reusing system inhanced primary rainwater discharge function - Google Patents

Rainwater reusing system inhanced primary rainwater discharge function Download PDF

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KR101639004B1
KR101639004B1 KR1020140117462A KR20140117462A KR101639004B1 KR 101639004 B1 KR101639004 B1 KR 101639004B1 KR 1020140117462 A KR1020140117462 A KR 1020140117462A KR 20140117462 A KR20140117462 A KR 20140117462A KR 101639004 B1 KR101639004 B1 KR 101639004B1
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rainwater
rainfall
water
initial
filtration
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KR20140113625A (en
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이용백
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이용백
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The present invention relates to a rainwater harvesting system using a rainwater treatment apparatus in which initial rainfall removal, sedimentation, filtration and sterilization are continuously performed in a single reaction tank, and more particularly, to a rainwater harvesting system using inflow An initial rainfall rejection system that excludes rainwater at the beginning of rainfall through a rainfall detection sensor and an automatic valve for rainfall, a sludge tank for removing particulate matter having a large specific gravity contained in rainwater, and a filter medium composed of artificial plant grass, activated carbon, Disinfection device for removing bacterial substances such as Escherichia coli, viruses and other pathogenic microorganisms by using the disinfection function of the gravity type rainwater filtration apparatus having a layer and the ultraviolet lamp is treated through a continuous rainwater treatment apparatus in a single reaction tank Rainwater in Mugang Wuxi, landscaping water, cleaning The present invention relates to a rainwater reuse system that reuses rainwater as water, sprinkling water, and toilet water, and saves rainwater during floods or heavy rains, thereby contributing to the flood prevention effect.
The rainwater reuse system using the rainwater treatment apparatus in which the initial rainfall exclusion, sieving, filtration and sterilization are performed in a single reaction tank according to the present invention can detect the rainwater at the beginning of rainfall, A sensor unit; An automatic valve capable of excluding rainwater at the beginning of rainfall introduced through the rainfall sensor unit for a predetermined period of time; An initial rainfall rejection device provided through the rainfall detection sensor and the automatic valve; A flow rate reduction device and an induction device for reducing the flow rate of rainwater falling after the automatic valve is closed; A contaminant removal box in which relatively large contaminants contained in rainwater and particulate matter having a large specific gravity such as sand and soil can be removed by gravity sedimentation; A sludge tank including the flow rate reduction device and the induction device, and the contaminant removal box; A floating plate and an induction distribution plate capable of evenly distributing rainwater through a perforated plate having perforated holes of a predetermined size; A filter medium composed of an artificial plant grass, an activated carbon, and a filter paper configured to remove particulate fine suspended material having a small specific gravity contained in rainwater passing through the above-mentioned floating plate and the induction distribution plate so as to pass through a natural gravity filtration system A gravity type rainwater filtration apparatus characterized by comprising: A sterilizing and disinfecting device configured to remove rainwater, which has passed through the gravity type rainwater filtering device, in contact with the ultraviolet lamp to remove bacterial substances such as E. coli, viruses and other pathogenic microorganisms; A rainwater disposal apparatus configured such that the initial rain water exclusion apparatus, the needle settlement apparatus, the rainwater filtration apparatus, and the disinfection apparatus can be continuously performed in a single reaction tank; A rainwater storage tank in which rainwater treated through the rainwater treatment device can be stored without a separate treatment water tank; A drain pump capable of contributing to the flood prevention by draining the rainwater stored in the rainwater storage tank in advance during flood or heavy rainfall; And a supply pump for supplying the rainwater stored in the rainwater storage tank so that the rainwater can be reused as landscaping water, cleaning water, sprinkling water, and toilet water.

Figure 112014084681589-pat00001

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rainwater reusing system having an enhanced primary rainwater discharge function,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rainwater reuse system using a rainwater treatment apparatus in which initial rainfall exclusion, sedimentation, filtration and sterilization are performed in a single reaction tank. More particularly, The present invention provides a rainwater treatment apparatus including a rainwater treatment apparatus including an initial rainfall elimination, a desolvation removal, a gravity rainwater filtration, and a disinfection and disinfection function continuously in a single reaction tank for rainwater flowing through the rainwater inflow pipe including pollutants harmful to the human body, The present invention relates to a rainwater reuse system in which stored rainwater is reused as landscaping water, cleaning water, sprinkling water and toilet water, and functions to prevent flooding during heavy rainfall or flood.

Due to economic development and urban development, urbanization has become more and more unpenetrating due to the increase in population density and urbanization. As a result, there is a growing need for a recovery of the water circulation. As the demand for safe and clean water increases with the increase, water is already a limited resource due to the rapid population increase and the climate change that is being carried out according to the regional development, and it is expected that it will be difficult to secure it due to the change of water resources . In addition, Korea is rated as a water shortage country because the population density is higher than the average annual precipitation and the water resources available per person is low.

The government announced the enactment of the Act on the Promotion and Support of Reuse of Water (hereinafter referred to as the "Act on the Reuse of Water"), which was integrated in the 2010 Water and Wastewater Law, and the reuse of rainwater, As a means of securing water, we have established a basic plan for water reuse. In the case of using materials, public facilities such as public buildings and indoor gymnasium were obliged to install rainwater utilization facilities. However, private facilities with more than a certain area (buildings with a building area of 10,000 square meters or more, schools with 5,000 square meters or more, Large-scale stores of more than 1,000 square meters, golf courses of 100,000 square meters or more in area, etc.) are required to install rainwater harvesting facilities.

In addition to the rainy season, which has been concentrated in the period from June to September, rainfall in Korea has been characterized by heavy rainfall due to typhoon, local rainfall due to geographical characteristics, and so on. Accordingly, the characteristics and distribution of various pollutants such as garbage, soil, dirt, and other harmful substances contained in rainwater falling down at the beginning of rainfall vary greatly depending on rainfall characteristics. Therefore, it is desirable to select the roof surface of the rainwater for the roof or the roof which is not exposed to the human activity relatively, and access to the technology that can selectively exclude the rainwater falling at the initial stage of rainfall is important. The initial rainfall extinguishing system used as a means for solving this problem is often installed separately from the installation location of the mechanical equipment of the rainwater utilization facility, and thus it is difficult to manage the integrated rainwater management system.

Techniques for treating pollutants contained in rainwater can be divided into physical and chemical methods. Physical methods include sedimentation, gravity filtration, pressure filtration, screen filtration, microfilter filtration, membrane filtration There are a variety of methods such as precipitation and filtration. Chemical methods can be classified into chlorine disinfection, disinfection with UV lamp, ozone treatment with ozone, and disinfection with other disinfection chemicals. Techniques for treating such pollutants should be selected in consideration of various factors such as site area required for equipment and machinery, power required, processing efficiency, construction cost, and ease of maintenance.

The pollutants flowing in the rainwater are heavy, and the pollutants such as stones, sand, etc. that fall in the water and the specific gravity of the water fall on the water. In most cases, physical treatment using screen or needle-punching is used. However, it can not be said that sufficient purified rainwater has been produced because the physical sedimentation process in the screen or the needle bed can not remove the light particulate pollutant.

The filtration method is used to remove fine particulate pollutants which are not removed by the precipitation contained in the rainwater, and it is divided into gravity filtration and pressure filtration according to the method. The principle of filtration is that the filtration layer composed of the filter material is repeatedly operated so that the particles come into contact with and adhere to the surface, so that the coagulation action occurs due to the fogging of the particles, In order to improve the filtration performance, a method of strengthening the cohesive force by using chemicals may be used. In order to prevent the filtration layer from being clogged during the filtration process, a backwashing process is performed to restore the original filtration state It also uses a method of operation. In this method, when the medicine is used, expenses are generated and the user's expertise is required due to periodical supply. In addition, when the backwashing process is performed, in addition to the supply means for the backwashing process, It may cause a secondary problem that waste water is generated and stored or treated. 1, the existing rainwater utilization facility is provided with a pump facility for passing the filtration process, and a treatment water tank for separately storing and collecting the filtered rainwater is provided, .

Excretion such as algae that may occur on the roof of a building, and pollutants accumulated in the air, which are generated in the atmosphere, may be inhabited by Escherichia coli, viruses and other pathogenic microorganisms. If these bacteria are left unattended, There is also. The existing rainwater utilization facility is directly introduced into the stor- age storage tank after passing through the initial rainwater drainage system and the screen device as shown in Fig. 1, so that the rainwater stored in the stor- age storage tank is in an unsanitary condition. Therefore, there is a need to provide a means for removing the E. coli, viruses, and other pathogenic microorganisms from the preliminary step for storing rainwater to store the rainwater in a more stable state.

The present invention relates to an apparatus for purifying rainwater, which is designed to continuously perform a single treatment method for individual rainwater such as the above-mentioned initial rainwater extinguishing system, sludge, filtration, sterilization and disinfection, It is easy to understand the immediate exclusion situation of the initial rainfall by installing it in the processing device, and at the same time, the process of the silt, filtration and disinfection are continuously performed, so that no separate transfer pump or separate treatment device is required.

As the filtration process of the rainwater is progressed, the filtration efficiency is lowered and the backwashing process is performed in order to recover the filtration efficiency. The backwash water generated during the backwash process contains a large amount of contaminants, which necessitates additional water treatment. As a means of replacing this, most of the reverse water generated in the rainwater filtration process is drained by refining the house in the building, or is introduced into the septic tank or the sewage treatment facility. In addition, the treatment water tank for storing the treated rainwater after filtration has become an increasing factor of the construction cost. In the present invention, since the method of stably filtering the fine particulate pollutants in the rainwater through the natural type gravity filtration system in the filtration process in the rainwater treatment apparatus is applied, the backwash process is not used, And it is configured to store the rainwater that has been processed in the rainwater storage tank, so that there is no need to provide a separate treatment water tank.

As shown in FIG. 1, in the conventional rainwater treatment system, when rainwater passing through the initial rainwater extinguisher and the screen device flows into the rainwater storage tank, particulate pollutants, E. coli, viruses and other pathogenic microorganisms are left in the stored rainwater If you do not use rain water storage tank for a long time, you may cause odor and bad odor and damage caused by these pollutants. In the present invention, the rainwater stored in the rainwater storage tank is stored in a state where the water treatment is completed, such as filtration and disinfection through the rainwater treatment device, so that rainwater can be safely stored even in a period of no rainfall.

In the present invention, as shown in [Table 1], an initial rainfall rejection device composed of a rainfall detection sensor unit capable of detecting rainfall at the beginning of rainfall and an automatic valve that can exclude the inflowed initial rainwater for a predetermined time; A flow rate reduction device and an induction device for reducing the flow rate of rainwater that has passed through the initial rainfall removal device; A contaminant removal box in which relatively large contaminants contained in rainwater and particulate matter having a large specific gravity such as sand and soil can be removed by gravity sedimentation; A sludge tank including the flow rate reduction device and the induction device and the contaminant removal box; A floating plate and an induction distribution plate capable of evenly distributing the rainwater flowing through the settling tank through a perforated plate having holes of a predetermined size; And a filter medium composed of an artificial plant grass, an activated carbon, and a filter paper configured to remove particulate suspended matter having a small specific gravity contained in rainwater passing through the moon plate and the induction distribution plate, A gravity type rainwater filtration apparatus characterized by comprising: A sterilizing and disinfecting device configured to remove rainwater, which has passed through the gravity type rainwater filtering device, in contact with the ultraviolet lamp to remove bacterial substances such as E. coli, viruses and other pathogenic microorganisms; A rainwater disposal apparatus configured to be able to perform the initial rain water exclusion apparatus, the needle settlement apparatus, the gravity rainwater filtering apparatus, and the disinfection apparatus in a single reaction tank; A rainwater storage tank for storing rainwater processed through the rainwater treatment device; A drain pump capable of draining rainwater stored in the rainwater storage tank; A supply pump for supplying the rainwater stored in the rainwater storage tank to be reused as landscaping water, cleaning water, sprinkling water and toilet water; The rainwater can be stably reused through the provided rainwater reuse system.

division Rainwater treatment system Rainwater storage tank Configuration of the device Initial rainfall exclusion device Needlework Gravity type rainwater filtration device Disinfection device Drain pump
Feed pump
Details of equipment The rain detection sensor unit
Automatic valve
Flow rate reduction device
Guidance device
Dirt removal box
Wall plate
Induction distribution plate
Filter layer (artificial plant grass, activated carbon, filter paper)
Ultraviolet lamp Level sensor

It is possible to purify stable rainwater through a rainwater treatment apparatus in which initial rainfall exclusion, sludge disintegration, filtration and disinfection are performed in a single reaction tank. Therefore, a feed pump, a filtering apparatus, a sterilization apparatus, There is no need to install. In addition, since the treatment water tank is not required and the backwash water generated in the filtration process is not generated, the means for treating the reverse water treatment is not required. Therefore, the construction cost can be reduced and the installation space can be minimized, and the maintenance can be carried out easily.

1 is a schematic diagram of a conventional rainwater treatment system
FIG. 2 is a schematic diagram of a rainwater reuse system using a rainwater treatment apparatus in which the initial precipitation elimination, the siltation, the filtration,
FIG. 3 is a diagram illustrating the structure and function of the rainwater disposal apparatus in which the initial rainfall exclusion, the precipitation, the filtration, and the sterilization are performed in a single reaction tank according to the present invention.
FIG. 4 is a side view of the structure and partial cut-out of the initial rainfall rejection apparatus of the rainwater treatment apparatus in which the initial rainfall elimination, the siltation, the filtration and the sterilization are accomplished in the single-
FIG. 5 is a perspective view and a partial cutaway perspective view showing a floating plate, an inductive distribution plate and a filter medium layer in a rainwater filtration apparatus of a rainwater treatment apparatus in which initial rainfall exclusion, sieving, filtration,
6 is a diagram illustrating the structure and function of the rainwater disposal apparatus in which the initial rainfall exclusion, the precipitation, and the filtration process of the present invention are performed in a single reaction tank.

An initial rainfall exclusion system that eliminates initial rainfall through rainfall detection sensors and automatic valves for rainfall entering from the roof of a building, a sludge tank that removes particulate matter contained in rainwater, and artificial plant grass, activated carbon, A gravity type rainwater filtration apparatus having a constituent material layer and a disinfecting and disinfecting apparatus for removing an E. coli, a virus and a pathogenic microorganism by using a disinfecting function of an ultraviolet lamp, are installed in a single reaction tank, And the rainwater reuse system contributing to the flood prevention effect by reusing the rainwater as the landscape water, the cleaning water, the sprinkling water and the toilet water in the Mugang Wuxi, and storing the rainwater during the flooding, 6 will be described.

As shown in FIG. 2, the rainwater reuse system using the rainwater treatment apparatus in which the initial rainfall elimination, the precipitation, the filtration, and the sterilization are accomplished in the single reaction tank as set forth in the present invention is a rainwater inflow pipe 1, A rainwater storage tank 40, a supply pump 50, a drain pump 60 and an electric panel 70. [

FIG. 3 is a flow chart showing a description and a continuous flow of constituent parts of a main apparatus part connected to a rainwater disposal apparatus in which an initial rainfall exclusion, a siltation, filtration and sterilization are performed in a single reaction tank according to an embodiment of the present invention.

FIG. 4 is a perspective view and a partial cutaway side view showing an operation principle of an initial rainfall rejection apparatus attached to a rainwater treatment apparatus in a single reaction tank, in which initial rainfall elimination, siltation, filtration and sterilization are accomplished according to the present invention .

FIG. 5 is a schematic view showing an example of a rainwater disposal apparatus according to an embodiment of the present invention. FIG. 5 is a perspective view illustrating a rainwater disposal apparatus according to an embodiment of the present invention. (14-d) composed of an artificial plant lawn, an activated carbon, and a filter yarn having a grass shape in a natural gravity filtration system, and an inductive distribution plate (14-b) A perspective view and a partial incision view showing a gravity type rainwater filtration apparatus.

Specifically, in the case of rainfall, various pollutants such as dust, oil, pesticide, and the like are indiscriminately displayed in the case of roads, agricultural lands, parking lots, etc. Therefore, in a rainwater utilization facility, It is preferable to select a place having a relatively good contamination state such as a roof or a roof, and to introduce the rainwater through the rainwater inflow pipe 1 of the rainwater utilization facility. In the absence of rainfall, pollutants such as fallen leaves, dust and algae accumulated on the roof surface and pollutants in the air drop down and air pollutants that have settled down are introduced at the beginning of rainfall, so rainwater at the beginning of rainfall should be excluded do.

The initial rainfall exclusion apparatus of the present invention comprises a rainfall detection sensor unit 11 and an automatic valve 12.

4, the rainfall sensor unit 11 includes a rainwater collecting pipe 11-a, a rainwater outlet 11-b, an initial rainfall sensor 11-c and an emergency sensor 11-d ).

The rainwater flows through the rainwater inflow pipe (1) at the time of rainfall and receives a part of the inflow amount of the rainwater through the rainwater collecting pipe (11-a) at a size smaller than the size of the rainwater inflow pipe (1) The rainwater passing through the rainwater collecting pipe 11-a first falls downward by gravity and passes through the rainwater outlet 11-b having a size two to three times smaller than the rainwater collecting pipe 11-a, And falls to the yarn boundary 13. However, since the amount of the rainwater passing through the rainwater outlet 11-b is much smaller than the amount of rainwater flowing into the rainwater catching pipe 11-a, And reaches the height of the rainfall detection sensor 11-c. At this time, the initial rainfall detection sensor 11-c senses the initial inflow of rainwater and sends a signal to the electric panel 70 so that the automatic valve 12 can be opened. The rainwater falling immediately without passing through the rainwater collecting pipe 11-a and the rainwater falling through the rainwater outlet 11-b fall to the settling tank 13, The rainwater that has passed through the box 13-c is conveyed through the collecting pipe 20 through the automatic valve 12 which is opened and collected. When the initial rainfall exclusion period for 3 to 5 minutes carried by the collection is completed, the electric panel 70 is programmed to close the automatic valve.

The rainwater accumulated in the rainfall sensor part 11 is lowered to the settling tank 10 through the rainwater outlet 11-b. At this time, the initial rainfall detection sensor 11-c Senses that the level of the rainwater has dropped and sends a signal to the electric panel 70 so that the automatic valve 12 is opened for 5 minutes so that the rainwater remaining in the steady-state settling tank 13 is conveyed to the collection tank . Thereafter, the automatic valve 12 is closed so as to be restored to the initialized state and prepared for the next rainfall.

The emergency sensing sensor 11-d in the rainfall sensing unit 11 senses an abnormality in the rainwater treatment device 10 when an abnormality occurs in the rainwater treatment device 10 and the water level is in contact with the lower end of the emergency sensing sensor 11- A signal is sent to the electric panel 70 so as to open the valve 12 and the water level of the rainfall sensor part 11 drops to the initial rainfall sensor 11-c, The program is configured in the electric panel 70 to be closed.

The configuration of the settling tank 13 is constituted by a flow rate reduction device 13-a, an induction device 13-b, and a contaminant removal box 13-c.

When the initial rainfall detection sensor 11-c senses the water level and the automatic valve 12 is opened for 3 to 5 minutes through the signal of the electric panel 70 after the initial rainfall is excluded, The automatic valve 12 is closed so that the rainwater continues to fall to the settling tank 13. The dropping rate of rainwater falling to the settling tank 13 can be increased by gravity. The flow rate reduction device 13-a and the induction plate 13-b provided on the wall surface of the settling tank 13 have a pore structure and are arranged in a direction perpendicular to the wall surface of the settling tank 70 So that the rainwater is allowed to fall into the impurity removing box 13-c inside the settling tank 13 in a state where the flow rate of the rainwater is reduced. The flow rate reduction device 13-a and the guiding device 13-b drop rainwater through the rainwater inflow pipe 1 and the rainwater outflow port 11-b, (13-c) and a means for preventing the collision with the particulate pollutant having a large specific gravity such as sand or soil, and thus preventing the collision with the particulate pollutant.

The impregnation box 13-c is provided at the lower end of the settling tank 13 and has a function of collecting relatively large particles and particulate pollutants having a large specific gravity such as sand and gravel, The structure of the impurity removing box 13-c is made of a stainless steel plate at the bottom and a mesh-type iron plate having fine holes at its side. Rainwater can escape, but contaminants can be trapped inside So that the silk-removing function is performed.

The rainwater that has fallen to the bottom of the settling tank 13 rises from the inside and rises to the water level for overflowing to the rainwater filtering apparatus 14-d.

As shown in FIG. 4, the gravity type rainwater filtering apparatus for filtering the rainwater that has risen through the settling tank 13 includes a floating plate 14-a, an induction distribution plate 14-b, A rainwater filtration device 14-d, and a management manhole 14-e.

The rainwater that has risen through the settling tank 13 passes through the induction distribution plate 14-b through the flow-through plate 14-a having the structure of a perforated plate made of small holes. A) from the lower end surface of the rising plate (14-a) in a downward direction so that the rainwater passing through the rising plate (14-a) can be evenly distributed to the rainwater filtering apparatus. And the shape of the induction distribution plate 14-b may be a pore-type structure or a ware system in which rainwater is easily separated and can be evenly distributed. The distribution process of the rainwater in the induction distribution plate 14-b is confirmed through the inspection manhole 14-c.

The rainwater that has passed down through the induction distribution plate 14-b passes through the rainwater filtration device 14-d to remove particulate contaminants contained in the rainwater through the gravity filtration method. In order to proceed the filtration process in the rainwater filtration apparatus 14-d, the type of the filter material layer is as follows: grass is descended from the soil in the order of artificial plant grass, activated carbon, The principle of filtration is such that the rainwater passes through and the contaminants in the particulate matter come into contact with and adhere to the surface of the filter material repeatedly, so that the filter can not pass through the filter material layer , And the thickness of the filter material layer may vary depending on the amount of rainwater to be treated.

The filter material of the rainwater filtering device 14-d is arranged in a net shape so as not to be separated from the filter material layer, and is arranged in a drawer-like structure. If filtration performance deteriorates, the filter material is taken out through the maintenance manhole (14-e) to remove the contaminants adhering to the filter material layer and then reused, or individually replaced when the filter material needs to be replaced. Thus, the rainwater filtration apparatus 14-d may not perform the backwashing method as a means for normalizing the filtration process.

As shown in FIG. 3, the rainwater passing through the rainwater filtration device 14-d is gathered downward, and is passed through the outflow pipe 30 through the sterilizing / disinfecting device 15 having the ultraviolet lamps arranged in the horizontal direction, Lt; / RTI >

The sterilization and disinfection apparatus 15 disrupts and inactivates the DNA of a microorganism at a specific wavelength (253.7 nm) in an irradiation region of ultraviolet rays emitted through an ultraviolet lamp, thereby applying a principle of excellent sterilization efficiency, Viruses and other pathogenic microorganisms. Depending on the treatment amount of rainwater, the application amount of the ultraviolet lamp may vary.

The sanitizing and disinfecting device 15 can be inspected through a manhole 15-a and a drain valve 15-b is used to drain rainwater into the sanitizing and disinfecting device 15.

According to a signal sensed by the initial rainfall sensor 11-c, the ultraviolet lamp of the disinfecting device 15 is turned on when the rain lamp is turned on through the electric panel 70, and is turned off when the rain is finished Elements of power waste can be blocked.

As shown in FIG. 2, the rainwater that has been purified through the rainwater treatment apparatus 10 in which the initial precipitation elimination, the siltation, the filtration, and the sterilization are performed in a single reaction tank is stored in the rainwater storage tank 40.

The rainwater storage tank 40 is provided with a supply pump 50 for reusing the stored rainwater as landscaping water, cleaning water, sprinkling water, toilet water, etc., The drain pump 60 includes a water level sensor for checking the full water level and the low water level, so that the rainwater storage tank 50 is operated when the water level is indicated by the full water level In case of low water level, operation is stopped.

As shown in FIG. 3, the rainwater disposal apparatus 10 is an efficient single unit of a method for purifying rainwater, in which initial rainfall exclusion, sedimentation, filtration, and sterilization are continuously performed in a single reaction tank. However, in case of the occurrence of an anomaly in the rainwater treatment apparatus, the overflow distributing plate 14-b is connected to the outflow pipe 30 at the upper part of the overflow pipe.

As shown in FIG. 6, in the case where the sterilization and disinfection process is not necessary because the coliform bacteria, viruses, and other pathogenic microorganisms are not contained in the rainwater, the initial rainwater exclusion, A rainwater treatment apparatus may be constructed.

1: Rainwater inflow pipe 10: Rainwater treatment device
20: Initial rainfall discharge pipe 30: Storm drainage pipe
40: Rainwater storage tank 50: Feed pump
60: Drain pump 70: Electric panel

Claims (7)

A rainwater inflow pipe into which rainwater flows;
A needle sink for receiving rainwater flowing out from the rainwater inflow pipe;
A rainwater filtration device provided in the settling tank for purifying rainwater;
A rainfall sensor installed on the upper side of the settling tank for detecting rainwater;
And an initial rainfall rejection device for draining the initial rainwater containing a large amount of non-point pollutants from the settling tank without purifying the rainwater according to the measurement of the rainfall detection sensor portion,
A rainwater collecting pipe (11-a) having a rainwater inflow port provided at a lower side of the rainwater inflow pipe and having a larger diameter than a rainwater outflow port (11-b) through which rainwater flows out;
An "L" -shaped tube communicating with one side of the rainwater collecting tube and
An initial rainfall detection sensor installed inside the L-shaped pipe to detect the level of the rainwater flowing in the pipe of the L shape according to the quantity of the rainwater passing through the rainfall collecting pipe, (11-c).
And an emergency sensor (11-d) provided on the same height as the highest water level of the silt bath to detect the full water level of the silt bath,
Wherein the initial rainwater drainage device operates when the emergency water level sensor of the emergency sensor (11-d) detects the emergency water level, thereby discharging rain water from the needle water tank, and the emergency drainage is set such that the water level inside the "L" And terminates when the water level of the initial rainfall detection sensor (11-c) reaches the level of the initial rainfall detection sensor (11-c).
delete delete The method according to claim 1,
The initial rainfall rejection apparatus detects the rainwater in the L-shaped pipe after the initial rainfall detection sensor 11-c detects the start of rainfall and detects the end of the rainfall, And the rainwater reuse system has an enhanced function of excluding the initial rainwater.
The method according to claim 1,
Wherein the rainwater filtering apparatus is detachably attached to the rainwater collecting apparatus.
delete delete
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KR101249741B1 (en) * 2012-02-29 2013-04-05 이종길 Non-point source contaminant purification system and method for an early stage rain water
KR101300796B1 (en) * 2013-03-27 2013-08-29 공주대학교 산학협력단 Rain garden system for treating selectively and recycling storm water runoff

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KR100924075B1 (en) * 2007-10-01 2009-10-29 이원선 Purification treatment device of rainwater
KR20110131868A (en) * 2010-06-01 2011-12-07 주식회사 챔프텍 Apparatus for treatment of first flush rainfall

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KR101249741B1 (en) * 2012-02-29 2013-04-05 이종길 Non-point source contaminant purification system and method for an early stage rain water
KR101300796B1 (en) * 2013-03-27 2013-08-29 공주대학교 산학협력단 Rain garden system for treating selectively and recycling storm water runoff

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