KR101058919B1 - Initial excellent treatment facility and initial excellent treatment method - Google Patents

Abstract

The present invention, the first initial excellent treatment unit for receiving the rainwater flowing through the conduit in the internal space, and first filter the pollutant contained in the rainwater contained in the interior space; A second initial excellent processing unit connected to the first initial excellent processing unit and performing secondary filtering of rainwater discharged by first filtering by the first initial excellent processing unit; And a storage tank connected to the second initial excellent treatment unit and storing the rainwater discharged by the second initial excellent treatment unit.

Initial excellent filtering, storage

Description

Initial excellent treatment facility and initial excellent treatment method {PRIMARY STAGE RAINWATER TREATMENT FACILITY AND PRIMARY STAGE RAINWATER TREATMENT METHOD}

The present invention relates to an initial excellent treatment facility and an initial excellent treatment method that is easy to treat nonpoint sources, and can easily and cleanly treat pollutants contained in the initial sewage, and store rainwater that has been treated with pollutants. The present invention relates to an initial excellent treatment facility and an initial excellent treatment method that can be reused.

1 is a schematic diagram of a typical combined sewage system. In the dry season, the total amount of sewage generated is transferred to the sewage treatment plant through the conduit, but during rainfall, the flow rate exceeding 3Q of the conduit is overflowed by the discharge line. Combined Sewer Overflows (CSOs) run along with rainwater, resulting in surface contaminants, sediments in the conduits, and untreated sewage. It is known as one of the main causes of pollution.

Recently, there has been a great deal of interest in the installation of an apparatus-type treatment facility and a storage tank facility as a technology for treating overflow water generated during rainfall. The equipment treatment facility treats the overflow water, discharges the treated water into the stream, and sends the solids to the sewage treatment plant. The storage tank facility stores the overflow water in the storage tank, and the overflow water exceeding the storage tank capacity is discharged into the stream. The reservoirs stored in the storage tanks are treated in conjunction with sewage treatment plants, sometimes with separate treatment facilities.

On the other hand, such a storage tank facility is installed during the sewage treatment process as well as the storage of the overflow water, and also performs a function of the flow adjustment tank to temporarily store the sewage collected in the collector. An example of a storage facility having such a scheme is shown in FIG. Sewage collected during rainfall has a treatment process in which it is stored in a storage tank installed at the rear of a screen and a sedimentation facility and discharged to a treatment plant or a reservoir according to the water quality of the storage water. However, this type of storage tank is stored regardless of the water quality of the sewage flowing in during rainfall, and the sewage or rainwater with high concentration is excellent because it is determined whether or not to flow into the subsequent process, that is, to be discharged by the mixed water quality. Alternatively, since the monthly water flows into the storage tank and is subsequently diluted by the low concentration sewage or rainwater or the monthly water flowing into the storage tank, there is a limit that the efficiency can be reduced in terms of the quantity of pollutants stored in the storage tank. For this reason, there is a need for storage by dividing the concentration of influent in the storage tank.

In this regard, an apparatus for collecting rainwater flowing in rainfall at different concentrations has been developed. FIG. 3 shows a schematic diagram of the collecting device. This collection device is designed to automatically collect and remove only the rainwater so that the initial rain, which contains various pollutants in the early days of rain, does not mix with the relatively clean rainwater afterwards. It is composed of rainwater discharge tank, float ball installed inside the discharge tank to block the inlet of the discharge water, and rainwater storage tank that collects relatively clean rainwater after the initial rainwater.

In the rainwater collecting device, the initial excellent separation discharge tank has a structure in which opening and closing of the inlet is made of float balls so that the storage in the rainwater storage tank starts only when the water discharge tank level is maximized. Therefore, even rain can be stored in a separate discharge tank even relatively clean rain, the overall water quality is diluted, there is a disadvantage that the function of the separation discharge tank, which was the purpose of the separation and discharge of the initial excellent rainwater with a lot of contaminants may be reduced.

An object of the present invention relates to an initial excellent treatment facility and an initial excellent treatment method that is easy to treat nonpoint sources, and can easily and cleanly treat pollutants contained in the initial sewage, and store the rainwater treated with pollutants. It is to provide an initial excellent treatment facility and an initial excellent treatment method which can be reused as landscaping water.

The present invention, the first initial excellent treatment unit for receiving the rainwater flowing through the conduit in the internal space, and first filter the pollutant contained in the rainwater contained in the interior space; A second initial excellent processing unit connected to the first initial excellent processing unit and performing secondary filtering of rainwater discharged by first filtering by the first initial excellent processing unit; And it is connected to the second initial excellent treatment unit, and provides an initial excellent treatment facility comprising a storage tank for storing the rainwater discharged by the second initial excellent treatment unit discharged second.

The present invention, a) the first step of filtering the contaminants contained in the rainwater introduced into the first initial water treatment through the conduit; b) secondary filtering the rainwater discharged by the first filtering by the first initial excellent treatment unit by the second initial excellent processing unit; And c) storing the rainwater discharged by the second initial water treatment unit from the second initial water treatment unit in the storage tank.

According to the present invention, non-point source treatment is easy, and in particular, it is possible to easily and cleanly treat contaminants contained in initial sewage, and excellent initial water that can be reused as landscaping water after storing rainwater treated with contaminants. Treatment facilities and initial good treatment methods are provided.

Hereinafter, the initial excellent treatment facility according to the present invention will be described in detail with reference to FIGS. 4 to 7.

Initial excellent treatment facility according to the present invention, the first initial excellent treatment unit for receiving the rainwater flowing through the conduit in the interior space, the first filtering the pollutant contained in the rainwater contained in the interior space; A second initial excellent processing unit connected to the first initial excellent processing unit and performing secondary filtering of rainwater discharged by first filtering by the first initial excellent processing unit; And a storage tank connected to the second initial excellent treatment unit to store rainwater discharged by the second initial excellent treatment unit.

As shown in FIG. 4, the monthly water flows into the initial excellent treatment facility according to the present invention through conduit, and the initial excellent treatment facility according to the present invention treats this. In addition, although the initial excellent treatment facility according to the present invention is not shown in the drawings, it may be connected to the final reservoir.

As shown in FIG. 4, the internal space of the initial excellent treatment facility is an initial region, an intermediate region, and a late region in which rainwater flowing through conduits sequentially passes through the first initial excellent treatment unit and the second region. It is divided into an initial excellent treatment part and the said storage tank part. In other words, the first initial excellent water treatment unit, the second initial excellent water treatment unit and the storage tank forming a unitary body. Of course, the detachable type can be assembled.

In addition, rainwater flowing through the conduit may be sequentially communicated with each other through a communication hole so as to sequentially move to the first and second water treatment units and the storage tank unit.

The first initial excellent water treatment unit includes an initial storage tank for forming an inner space capable of receiving rainwater flowing through the conduit and a first filtering device provided in the initial storage tank.

The initial storage tank is partitioned by a partition wall into a first region in which rainwater introduced through the conduit is initially introduced and a second region in which rainwater filtered primarily by the first filtering device is accommodated.

The first filtering device may be a screen provided on a partition wall that divides the first area and the second area.

The initial storage tank may be divided into a total of four zones, and two spaces may be further provided below the first and second areas and the first and second areas (see FIG. 8).

The initial storage tank is provided with a valve for filtering the pollutants of rainwater remaining in the first region filtered by the screen to the outside of the initial storage tank. For example, as shown in FIG. 8, an electric valve connected to a motor is provided in a space below the first region of the initial storage tank, and when the sewage of the first region is opened, the initial valve is opened. It can be discharged to the outside of the storage tank.

The second region of the initial storage tank is connected to the second initial excellent treatment part by an additional partition wall provided with an additional screen to discharge the rainwater of the second area to the second initial excellent treatment part and the second. It is divided into an area for discharging rainwater of the area to the outside of the initial storage tank. An electric valve connected to the motor may be further provided to guide the rainwater discharged from the filter to the lower region of the second region so as to discharge to the outside of the initial storage tank.

For example, as shown in FIG. 8, the rainwater of the second region of the initial storage tank, that is, the first filtered rainwater by the screen may be discharged to the outside of the second region of the initial storage tank through an inlet pump of the filter. Passing through the additional screen located below the second zone can be outflowed through the outlet through the space portion of the second zone.

The initial excellent treatment facility according to the present invention may further include a water level sensor for measuring the water level of the second region of the initial storage tank.

As shown in FIG. 8, the initial excellent treatment facility according to the present invention is connected to the first region of the initial storage tank by a connection line provided with a valve, and has a control pump including a control pump and a level sensor. It may further include. The water of the control tank may be pumped and supplied to the first region of the initial storage tank. The valve may be a PI valve.

As shown in Figures 4 to 8, the second initial excellent processing unit, the second filtering device for second filtering the rainwater, so that the rainwater discharged from the first initial excellent processing unit is transferred to the second filtering device. The apparatus may include a rainwater conveying line connecting the first initial excellent water treatment unit and the second filtering device and an inner space to accommodate the second filtering device.

The second filtering device may be a filter.

A filter inlet pump for introducing rainwater to the filter may be provided on the rainwater conveying line.

A valve may be provided between the filter inlet pump and the filter on the rain conveying line. Here, the valve may be a PI valve.

An additional valve may be further provided adjacent to the filter, and the rainwater pumped from the filter inlet pump may be introduced into the filter, depending on whether the valve is opened or closed, and the rainwater may be used as a backwash water. It may be supplied to the first region.

A line connecting the second filtering device and the reservoir may further include a valve provided on the line. Here, it may be an electric valve connected to the motor. And an additional valve may be further provided on the discharge side of the electric valve and the second filtering device, the valve is opened on the line connecting the second filtering device and the reservoir to the rain discharged from the second filtering device. Toward the provided electric valve.

The first initial water treatment unit forms an internal space for accommodating rainwater flowing through the conduit, and firstly by the first filtering device and the first region into which the rainwater flowing through the conduit is initially introduced. And a first filtering device provided in the initial storage tank and an initial storage tank partitioned by a partition wall into a second region in which the filtered rainwater is accommodated. The apparatus may further include a line connecting the discharge side of the second filtering device to the first region of the initial storage tank and a valve provided on the line to be used as the backwash water in one region. Here, the valve may be provided on the discharge side of the second filtering device.

An air compressor connected by the second filtering device and the connection line, an air tank provided on the connection line, and positioned between the second filtering device and the air compressor, and provided on the connection line, the air tank and the It may further include a pneumatic valve located between the second filtering device. And an additional valve may be further provided between the air compressor and the air tank.

The storage tank may be an excellent osmosis storage tank. This is filtered rainwater flowing through the first and second initial excellent treatment unit.

It is connected to the storage tank, it may further include a treatment tank provided with a water level sensor.

It may further include a discharge line for discharging water from the treatment tank, the landscape supply pump provided in the discharge line and the valve provided in the discharge line so that the water of the treatment tank can be used as landscape water. The water of the treatment tank is discharged to the outside may be used as landscape water. Here, the valve may be a PI valve.

A connection line connecting the treatment tank and the second initial excellent treatment unit, and provided on the connection line to pump the water of the treatment tank so that the water of the treatment tank can be used as backwash water of the second initial excellent treatment unit. It may further include a backwash pump and a valve provided on the connection line. Here, the valve may be provided adjacent to the filter discharge side that is the second filtering device. In addition, a valve may be provided on the backwash pump side, which may be a PI valve.

In the initial excellent treatment facility according to the present invention, as shown in FIG. 8, the control unit sends a command, that is, sends an electronic control signal to each device so as to control all the apparatuses of FIG. do. The control unit may be a general micom, so a detailed description thereof will be omitted.

For example, the control unit may send a command to all valves shown in FIG. 8 or to a motor connected to all valves, that is, send an electronic control signal to control opening and closing operations of all valves, and send an electronic control signal to all pumps to turn on / off the pump. Off can be controlled. For example, the valves of FIG. 8 may be valves connected to a motor and opened and closed.

For example, as shown in FIG. 8, the controller checks the water level value measured by the integration timer (TMR) and the water level sensor, and controls the on / off of the filter inlet pump based on this value. can do.

As shown in FIG. 8, the initial excellent treatment method according to the present invention includes a) first filtering contaminants contained in rainwater introduced into the first initial excellent treatment unit through conduit; b) secondary filtering the rainwater discharged by the first filtering by the first initial excellent treatment unit by the second initial excellent processing unit; And c) storing rainwater discharged by secondary filtering in the second initial water treatment unit in the storage tank. This embodiment is, of course, all the configuration and content of the above-described embodiment is applied as it is.

Discharging the first filtered contaminant to the outside of the first initial excellent treatment unit and the water level sensor installed in the first initial excellent treatment unit in step a) to the rainwater filtered in the step a). If the treatment unit is high water may include the step of discharging the filtered rainwater to the outside of the first initial excellent treatment unit.

The method may further include pumping the water of the control tank connected to the first initial water treatment unit with the control water pump to supply the water to the first initial water treatment unit.

And supplying the second filtered rainwater discharged from the second initial excellent treatment unit to the first initial excellent treatment unit to be used as backwash water of the first initial excellent treatment unit.

The method may further include supplying the storage water stored in the storage tank in the step c) to the treatment tank.

Discharging the water of the treatment tank to the outside of the treatment tank so that the water of the treatment tank can be used as landscape water.

The method may further include supplying water from the treatment tank to the second initial excellent treatment unit so that the water of the treatment tank may be used as backwash water of the second initial excellent treatment unit.

As described above, according to the present invention, non-point source treatment is easy, the pollutants contained in the initial sewage can be easily and cleanly treated, and the rainwater treated with the pollutants can be stored and reused as landscaping water.

1 is a schematic diagram of a typical combined sewage system,

2 is a schematic view of a general storage facility,

3 is a schematic view of a conventional storm collecting device,

Figure 4 is a schematic cross-sectional view of the initial excellent treatment apparatus according to the present invention,

5 is a plan view of the initial excellent treatment apparatus according to the present invention,

6 is a cross-sectional view of the initial excellent treatment device along the line A-A of FIG.

7 is a cross-sectional view of the initial excellent treatment device along the line B-B of FIG.

8 is a flowchart showing an initial excellent treatment process according to the present invention.

Claims (27)

A first initial excellent treatment unit accommodating rainwater flowing through the conduit in the inner space and first filtering contaminants contained in the rainwater contained in the inner space; A second initial excellent processing unit connected to the first initial excellent processing unit and performing secondary filtering of rainwater discharged by first filtering by the first initial excellent processing unit; And It is connected to the second initial excellent treatment unit, and includes a storage tank for storing the rainwater discharged by the second initial excellent treatment unit discharged, The first initial water treatment unit includes an initial storage tank for forming an inner space to accommodate the rainwater flowing through the conduit and a first filtering device provided in the initial storage tank, The second initial excellent processing unit is a second filtering device for second filtering the rainwater, and the first initial excellent processing unit and the second filtering device so that the rainwater discharged from the first initial excellent processing unit is transferred to the second filtering device. An initial excellent treatment facility comprising a device receiving unit for forming an inner space for receiving the rainwater conveying line and the second filtering device for connecting. The internal space of the initial excellent treatment facility is divided into the first initial excellent treatment unit, the second initial excellent treatment unit, and the storage tank unit as initial, middle and end regions. The initial excellent treatment facility, characterized in that the rainwater flowing through the conduit sequentially communicate with each other through a communication hole so as to sequentially move to the first and second excellent treatment unit and the reservoir. delete The method of claim 1, wherein the initial storage tank is partitioned by partition walls into a first region in which rainwater introduced through the conduit is initially introduced and a second region in which rainwater filtered primarily by the first filtering device is accommodated. Initial excellent treatment facility, characterized in that. The initial excellent treatment facility according to claim 4, wherein the first filtering device is a screen provided on a partition wall that divides the first area and the second area. The initial excellent treatment facility according to claim 5, wherein the initial storage tank is provided with a valve for filtering the pollutants of rainwater remaining in the first region by filtering by the screen to the outside of the initial storage tank. The method of claim 5, wherein the second region of the initial storage tank is communicated with the second initial water treatment unit by an additional partition wall provided with an additional screen to discharge the rainwater of the second area to the second initial water treatment unit. An initial excellent treatment facility, characterized in that divided into an area for discharging the rainwater of the region and the second region to the outside of the initial storage tank. The initial excellent treatment system of claim 5, further comprising a water level sensor for measuring the water level of the second region of the initial storage tank. The initial excellent treatment facility of claim 5, further comprising a control tank connected to the first region of the initial storage tank by a connection line provided with a valve, and having a control pump and a level sensor. delete The initial excellent treatment facility according to claim 1, wherein the second filtering device is a filter. 12. The initial excellent treatment facility of claim 11, further comprising a filter inlet pump for introducing rainwater to the filter on the storm conveying line. The initial excellent treatment facility according to claim 12, wherein a valve is provided between the filter inlet pump and the filter on the storm feed line. The initial excellent treatment system of claim 1, further comprising a line connecting the second filtering device and the storage tank and a valve provided on the line. The method of claim 1, wherein the first initial water treatment unit, the inner space to accommodate the rainwater flowing through the conduit, the first region and the first filtering the rainwater flowing through the conduit initially introduced A first storage device provided in the initial storage tank and an initial storage tank partitioned by a partition wall into a second region in which rainwater filtered primarily by the apparatus is accommodated; A line connecting the discharge side of the second filtering device and the first region of the initial storage tank so that the rainwater discharged from the second filtering device can be used as the backwash water of the first region of the initial storage tank. Initial excellent treatment facility, characterized in that it further comprises a valve provided in. The air compressor of claim 1, further comprising: an air compressor connected to the second filtering device by a connection line, an air tank disposed on the connection line, and positioned between the second filtering device and the air compressor, and on the connection line. And an air pressure valve positioned between the air tank and the second filtering device. The initial excellent treatment facility according to claim 1, wherein the storage tank is an excellent osmosis storage tank. The initial excellent treatment system of claim 1, further comprising a treatment tank connected to the storage tank unit and having a water level sensor. 19. The method of claim 18, further comprising a discharge line for discharging water from the treatment tank so that the water in the treatment tank can be used as landscape water, a landscape supply pump provided in the discharge line and a valve provided in the discharge line. Initial excellent treatment facility. The treatment tank according to claim 18, wherein a connection line connecting the treatment tank and the second initial excellent treatment unit is provided on the connection line so that the water of the treatment tank can be used as a backwash water of the second initial excellent treatment unit. An initial excellent treatment facility further comprising a backwash pump for pumping water and a valve provided on the connection line. a) first filtering contaminants contained in rainwater introduced into the first initial water treatment unit through conduit; b) secondary filtering the rainwater discharged by the first filtering by the first initial excellent treatment unit by the second initial excellent processing unit; And c) storing the rainwater discharged by secondary filtering in the second initial water treatment unit in the storage tank, The first initial excellent water treatment unit includes an initial storage tank for forming an inner space to accommodate rainwater flowing through the conduit and a first filtering device provided in the initial storage tank, The second initial excellent processing unit is a second filtering device for second filtering the rainwater, and the first initial excellent processing unit and the second filtering device so that the rainwater discharged from the first initial excellent processing unit is transferred to the second filtering device. And an apparatus accommodating unit forming an inner space for accommodating the rainwater conveying line and the second filtering device. The method according to claim 21, Between the step a) and b), the step of discharging the first filtered contaminant in the step a) outside the first initial water treatment unit and the water level installed in the first initial water treatment unit And a step of discharging the filtered rainwater to the outside of the first initial rainwater treatment unit when the first initial rainwater treatment unit is high tide with the rainwater filtered in the step a) through a sensor. 22. The method of claim 21, further comprising the step of pumping the water of the control tank connected to the first initial water treatment unit with a control water pump between the step a) and b) to supply to the first initial water treatment unit. Initial excellent treatment method, characterized in that.  22. The method of claim 21, Between the steps b) and c), the first initial rainwater to use the second filtered rainwater discharged from the second initial rainwater treatment unit as the backwash water of the first initial rainwater treatment unit Initial excellent treatment method comprising the step of supplying to the processing unit. The method of claim 21, after the step c), The initial excellent treatment method further comprises the step of supplying the storage water stored in the storage tank in the step c) to the treatment tank. The initial excellent treatment method according to claim 25, further comprising discharging the water of the treatment tank to the outside of the treatment tank so that the water of the treatment tank can be used as landscape water. The method according to claim 25, After the step of supplying the storage water stored in the storage tank to the treatment tank, And supplying the water of the treated water tank to the second initial excellent water treatment unit so that the water of the treated water tank can be used as the backwash water of the second initial excellent water treatment unit.

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