KR100800559B1 - Initial water treatment system including cartridge spiral screen - Google Patents

Abstract

A first flush treatment equipment including a cartridge screw type screen is provided to enable nonpoint source pollutants contained in first flush to be removed according to properties of the nonpoint source pollutants and easily maintain and manage the cartridge screw type screen by packing a packing material between inner and outer surfaces of the cartridge screw type screen, and expand the surface area of the inner surface and enable rainwater to flow smoothly by spirally forming the inner surface of the cartridge screw type screen. A first flush treatment equipment including a cartridge screw type screen comprises a first flush treatment tank(110) which guides first flush through a rainwater guiding path(111) communicating with a water channel. In the first flush treatment tank, a cartridge screw type screen(112) is installed to remove nonpoint source pollutants contained in first flush according to properties of the nonpoint source pollutants. The cartridge screw type screen consists of an inner surface and an outer surface in which through holes(a,b) are formed respectively. A packing material(c) is packed between the inner and outer surfaces, and the inner surface is spirally formed to guide a flow of first flush. The first flush treatment tank includes a sediment piling part(113) which is formed in a lower part of the cartridge screw type screen.

Description

FIRST FLUSH STORMWATER TREATMENT APPARATUS INCLUDING CARTRIDGE SCREW TYPE SCREEN}

The present invention relates to an initial rainwater treatment apparatus including a cartridge spiral screen, and more particularly, the initial rainwater discharged with the onset of rainfall shows a pollution degree several to several ten times higher than the discharge water quality by nonpoint pollutants. Therefore, the initial rainwater is collected from the flow control tank to the sewage treatment plant, and the dilution water with low pollution due to the continuous rainfall can be treated according to the characteristics of the nonpoint pollutants included in the initial rainwater. An excellent initial treatment apparatus for attaching and detaching a screen is provided.

In general, pollutants include point pollutants and agricultural land, grassland, forest land, construction sites, mines, logging sites, landfills, landfills, etc. Discharge areas such as urban areas, roads and industrial sites can be divided into nonpoint pollutants emitted from a wide range of nonpoint sources.

In case of point pollutants with a clear discharge point among the above pollutants, a separate purification device or wastewater treatment facility is installed in homes, factories, livestock farms, etc., but some of the pollutants are purified. In addition to being extensive, most of them remain on the earth's surface and are the main cause of water pollution by entering the public water or groundwater such as rivers with the initial rainwater.

In order to solve the above problems, many purification facilities have been developed to determine the initial rainwater containing non-point contaminants so that only the purified rainwater flows out into the river.

1 and 2 is a view showing an example of the conventional initial excellent treatment apparatus.

As shown in the drawing, a conventional initial excellent treatment apparatus is connected to an inlet port 2a in which a weir 1a having a predetermined height is formed in a lateral direction, and an inside of a weir 1a of the channel 1. The initial rainwater collected by the variable wear 1a is guided to cause floating contaminants to be trapped in the screen net 2b installed therein, and sedimentary contaminants are accumulated at the bottom of the screen net 2b. Rainwater, excluding contaminants and sedimentary contaminants, is transferred to the outer channel 1 of the weir 1a through the discharge port 2c to the initial excellent treatment tank 2 for discharge into the stream, and the initial excellent treatment tank 2 ) Is connected to the sedimentary contaminant transport pipe (3a) is stored in the sedimentary contaminants, and consists of a sedimentary contaminant storage tank (3) to discharge the sedimentary contaminants to the outside by the pump (3b) installed therein.

In the initial excellent treatment device as described above, the initial excellent water that does not exceed the weir (1a) introduced into the water channel 1 is introduced into the initial excellent treatment tank (2) through the inlet (2a), wherein the initial excellent water treatment tank Floating contaminants are caught by the screen net (2b) installed in the inside of (2), the sedimentary contaminants are accumulated in the lower portion of the screen net (2b), the initial excellent water is removed It is conveyed to the outer channel 1 of the weir 1a through the discharge port 2c and discharged to the river.

In addition, the precipitated contaminants are stored in the precipitated contaminant storage tank 3 through the precipitated contaminant transport pipe 3a and dredged to the outside by the pump 3b.

However, the conventional initial excellent treatment device as described above, there is a problem that it is not possible to multi-purpose treatment of contaminants according to the characteristics of the initial excellent by simply separating the sedimentary contaminants and floating contaminants,

That is, the inflow target of dissolved or soluble contaminants differs depending on the regional characteristics, which is insufficient to deal with this.

In addition, there is a problem in that the weir (1a) that is collected in the initial rainwater is fixed type and can not adjust the planned amount of the initial rainwater due to the increase of seasonal or inflow population.

In addition, there is a problem in that the treatment tank 2 is enlarged as well as the installation area is enlarged by allowing the initial excellent water to be discharged to the stream only through the initial excellent treatment tank 2 without being transferred to the sewage treatment plant or stored in the storage tank.

In addition, since only the screen oil 2b of the initial excellent treatment tank 2 is treated with the view oil contaminants, the clogging of the screen net 2b occurs a lot, there is a problem that is difficult to maintain.

The present invention has been made to solve such a conventional problem, the purpose is that the initial rainwater discharged with the beginning of the rain shows a pollution degree several times to several ten times higher than the discharge water quality by the non-point pollutant of the non-point pollutant contained in the initial rainwater In order to make it possible to process according to the characteristics and to make maintenance easy, the filling of the cartridge of the initial excellent treatment tank is filled between the inner and outer surfaces, and the inner surface is spiraled to expand the surface area and smooth the flow of rainwater. An initial excellent treatment apparatus including a cartridge spiral screen is provided.

In addition, in order to improve the treatment efficiency of initial rainwater, the initial rainwater containing non-point pollutants collected by the variableware of the pre-stream flow stage formed in the waterway is collected and transferred to the sewage treatment plant, and the initial rainwater exceeding the planned amount is initially It is to provide an initial excellent treatment apparatus for treating the discharge according to the characteristics of the non-point pollutants contained in the initial excellent rainwater treatment tank to discharge to the river.

In order to achieve the above object, the present invention induces an initial superiority through an excellent induction furnace communicating with a waterway, and can be treated according to the properties of nonpoint pollutants included in the initial excellentness by a cartridge spiral screen installed therein, The cartridge spiral screen is composed of an inner surface and an outer surface having through holes formed therein, and a filling material is filled between the inner and outer surfaces, and the inner surface is spiraled to induce an initial excellent flow, and a lower portion of the cartridge spiral screen is deposited. It includes an initial excellent treatment tank in which the laminated portion is formed.

In addition, the waterway is provided with a variable wear is adjustable in the horizontal direction, the flow rate control is a space for the initial rainwater collected by the variable wear between the waterway and the initial excellent treatment tank is guided through the inlet and stored and collected The tank is installed, the flow control tank, the outlet is formed so as to transfer the initial rainwater containing the non-point pollutant source introduced through the inlet to the sewage treatment plant, the outlet is a buoy to automatically shut off when the initial rain more than the planned amount The automatic shutoff valve is installed in multiple stages.

In addition, the flow control tank is formed with a soil separation wall for separating the soil contained in the initial rainwater introduced from the inlet, the rainwater overflowing the soil separation wall is to block the suspended matter by the screen.

The cartridge spiral screen may also be separated into at least two box-shaped filter bodies on a frame.

Further, the through hole in the inner surface of the cartridge spiral screen is drilled wider than the through hole in the outer surface.

In addition, a float removal member is installed in a lower portion of the cartridge spiral screen, and the float removal member has a flange seated on an inner step of an initial excellent treatment tank, and prevents re-injury to prevent re-injury of the deposit below the flange. A portion is formed and a screen portion is formed below the re-injury prevention portion.

In addition, the end of the waterway is to install a buoy automatic gate to prevent backflow of the river.

In addition, the lower side between the initial excellent treatment tank and the flow control tank is connected to the pipe, the side of the flow control tank by installing a buoy automatic gate to the rain stops the initial excellent treatment tank and the flow control tank when the water level is lowered the initial excellent It is to bypass the rainwater mixed with the sediment contaminant in the treatment tank to the flow control tank side.

The initial excellent treatment apparatus including the cartridge spiral screen of the present invention as described in detail above, fills the filling between the inside and the outer surface of the cartridge of the initial excellent treatment tank, and the inner surface is spiraled to expand the surface area and to provide excellent flow. It can be processed according to the properties of non-point pollutants included in the initial excellent water, and the surface area is enlarged so that there is little blockage by foreign substances, and the initial excellent water flows while forming the vortex, so that the flow of the flow path can be smoothed. Of course, maintenance is advantageous.

In addition, the initial excellent water containing the non-point pollutants collected by the variable wear of the pre-river flow phase formed in the waterway is collected and transferred to the sewage treatment plant, and the initial excellent water exceeding the planned amount is included in the initial excellent water in the initial excellent treatment tank. By treating according to the properties of the non-point pollutants to be discharged to the stream, it is possible to improve the initial excellent treatment efficiency.

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

3 to 8 are views showing a first embodiment of the initial excellent treatment apparatus according to the present invention.

As shown, one embodiment of the initial excellent treatment apparatus according to the present invention, can be installed in the facility, such as a bridge, which induces the initial excellent through the excellent induction path 111 in communication with the waterway 120, and The cartridge spiral screen 112 installed in the can be processed according to the properties of the non-point pollutant contained in the initial excellent, the cartridge spiral screen 112 is respectively formed into the inner and outer surfaces through which the through holes (a) (b) are formed. Filled (c) is filled between the inner, outer surface, the inner surface is made of spiral to induce the initial excellent flow, the lower portion of the cartridge spiral screen 112, the deposit stack 113 is formed It is to include the initial excellent treatment tank 110.

That is, by forming the inner surface of the cartridge spiral screen 112 in a spiral shape, the surface area is enlarged so that there is little clogging caused by foreign substances, and the initial excellent flows while forming the vortex, so that the flow of the flow path can be smoothly maintained, as well as the maintenance side. Is advantageous in

In addition, the rainwater induction path 111 is formed in a tangential direction in the induction path in the center of the cylinder and the rainwater is passed through the cartridge spiral screen 112 by vortex.

In addition, the cartridge spiral screen 112 may be separated into at least two or more box-shaped filter bodies 112b on the frame 112a, and most preferably, divided into four.

In addition, the through hole (a) of the inner surface of the cartridge spiral screen 112 is drilled wider than the through hole (b) of the outer surface so that the rainwater introduced into the filter body (112b) is easily discharged to the outside. Let it go.

In addition, the filling (c) is filled between the inside and the outside to change the type of filling according to the local characteristics to treat dissolved or soluble contaminants.

In addition, a float removal member 114 is installed below the cartridge type filter screen 112, and the float removal member 114 is formed with a flange 114a seated on an inner step of the initial excellent treatment tank. The re-injury prevention part 114b is formed below the flange 114a to prevent re-injury of the deposit, and the screen part 114c is formed below the re-injury prevention part 114b.

In addition, the upper end of the float removing member 114 is coupled to a string (not shown) to be taken out to remove the float on the upper surface of the treatment tank.

9 to 14 is a view showing a second embodiment of the initial excellent treatment apparatus according to the present invention.

As shown, another embodiment of the initial excellent treatment apparatus according to the present invention includes a water channel 120, a flow control tank 130 and the initial excellent treatment tank 110, the best excellent treatment tank 110 Since it has been described in detail above, the description is omitted.

The waterway 120 is a passage in which rainwater is led to a river, and is provided with a variable wear 121 capable of height adjustment.

In addition, it is preferable to install a buoy automatic gate 122 at the end of the waterway 120 to prevent the reverse flow of the river.

The flow regulating tank 130 is applied to the "sewage rainwater tosoil" of Patent Registration No. 0684923, which is connected to the inlet 131 inside the variable wear 121 of the waterway 120 variable wear 121 It is a space for storage and collection of the initial rainwater collected by), the outlet 132 is formed to guide the initial rainwater containing the non-point source to the sewage treatment plant, the outlet 132 is supplied with a predetermined amount or more of the initial rainwater If the buoy automatic shut-off valve 133 to be automatically shut off is installed.

In addition, the flow control tank 130 is formed with a soil separation wall 134 for separating the soil contained in the initial rainwater introduced from the inlet 131, the rainwater overflowing the soil separation wall 134 is screen The float is to be blocked by (135).

In addition, the sediment separated by the soil separation wall 134 is dredged periodically by the dredging car from the top by installing a dredging pipe 140.

In addition, the buoy automatic shut-off valve 133 is preferably provided with a "buoy automatic shut-off valve" of Patent Registration No. 0618594, which is to open and close the disk 133b by the mouth 133a. The initial rainwater is transferred to the sewage treatment plant for treatment, and if the rainwater amount increases, the float 133a floats and closes the disk 133b, thereby blocking the discharge of rainwater to the sewage treatment plant, thereby increasing the treatment efficiency of the sewage treatment plant and unnecessary. You can stop the operation.

In addition, the buoy automatic shutoff valve 133 is installed in a multi-stage to be blocked in stages according to the initial excellent amount.

When the sub-expression automatic shut-off valve 133 is blocked, the rain is introduced into the rain through the rainwater induction path 111 of the initial rainwater treatment tank, and performs the same function as the first embodiment.

The lower side between the initial excellent treatment tank 110 and the flow control tank 130 is connected to the pipe, the rain control stops by installing a buoy automatic gate 136 on the side of the flow control tank 130 (the initial excellent treatment tank ( 110) and when the water level of the flow control tank 130 is lowered, the rainwater mixed with the sedimentary contaminants of the initial rainwater treatment tank 110 to bypass the flow control tank 130 side to the best water treatment tank 110 To prevent contamination of the retained water.

The initial excellent treatment device configured as described above, as described in the first embodiment, by installing the initial excellent treatment tank 110 in the channel 120, such as a bridge, to guide the excellent excellent rain path 111 dropped to the bridge, etc. When it is dropped into the interior by the vortex, the rain drops pass through the cartridge spiral screen 112 from the inside to the outside, and the dissolved or soluble contaminants are removed by the filler (c).

At this time, the inner surface of the cartridge spiral screen is made spiral, and the surface area is enlarged so that there is little clogging caused by foreign matters, and the initial excellent flows while forming the vortex, so that the flow of the flow path can be smoothly, and it is advantageous in terms of maintenance. .

In addition, the rainwater from which the contaminants have been removed is discharged to the river through the water channel 120, and the sedimentary packing material is laminated to the sediment stacking portion 113 through the screen portion 114c of the float removing member 114, Dredging is periodically dredged through the pipe 140 for dredging.

In addition, the initial excellent treatment apparatus of the second embodiment of the present invention is installed to be connected to the sewage treatment plant, etc., which is the initial excellent water containing a lot of non-point pollutant in the rainwater flowing along the waterway 120 is formed in the waterway 120 Collected by the variable wear 121 is introduced into the flow control tank 130 through the inlet 131.

The initial excellent water introduced into the flow control tank 130 includes a large amount of earth and sand, the earth and sand is accumulated in one side space of the flow control tank 120 by the soil separation wall 134, this dredging pipe 140 Dredging periodically from the top to dredging cars.

The rainwater overflowing the sediment separation wall 134 is removed from the floating contaminants by the screen 135, and collected through the buoy automatic shutoff valve 133 to the sewage treatment plant to purify the non-point source contained in the initial rainwater. do.

On the other hand, when the flow rate increases due to the continued rainfall, the buoy automatic shutoff valve 133 is closed and accordingly excellent water is guided to the initial excellent treatment tank 110, the rainwater is vortex through the rainwater induction furnace 111 It is introduced into the cartridge spiral screen 112 while forming a.

In addition, the cartridge spiral screen 112 has a plurality of through-holes (a) (b) formed on the inner surface and the outer surface so that the rainwater except for the suspended matter is precipitated in the sediment storage unit 133, which is dredge pipe 140 for dredging By the dredging car periodically dredging from the top, depending on the type of filling (c) installed between the inner surface and the outer surface to remove the soluble or dissolved contaminants.

When floating matters are accumulated on the screen portion 114c by the floating matter removing member 114 installed in the lower portion of the cartridge spiral screen 112, the floating matters are removed to the outside by using a string installed on the upper portion of the floating matter removing member 114. It is made to prevent the re-injury of the sediment of the re-injury prevention portion 114b formed below the flange 114a of the float removing member 114.

Rainwater treated in the initial excellent treatment tank 110 as described above is to flow to the waterway 120 is discharged to the river.

In addition, when the rain stops and the water level of the initial excellent treatment tank 110 and the flow control tank 130 is lowered, the initial excellent treatment tank 110 while the buoy automatic gate 136 installed on the flow control tank 130 is opened. The rainwater mixed with the sedimentary contaminants in the inside) is bypassed to the flow control tank 130 to prevent contamination of the water remaining in the best water treatment tank 110.

1 is a plan view on the initial excellent treatment apparatus according to the prior art.

Figure 2 is a cross-sectional view of the initial excellent water treatment apparatus according to the prior art.

3 is a perspective view of an initial excellent treatment tank according to the first embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

4 is a cross-sectional view of the initial excellent treatment tank according to the first embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

Figure 5 is a perspective view showing the main portion of the initial excellent treatment tank according to the first embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

Figure 6 is a perspective view showing in detail the cartridge spiral screen of the initial excellent treatment tank according to the first embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

7 is a cross-sectional view of the cartridge spiral screen of the initial excellent treatment tank according to the first embodiment of the initial excellent treatment apparatus including the cartridge spiral screen according to the present invention.

8 is a plan view of a cartridge spiral screen of the initial water treatment apparatus including the cartridge spiral screen according to the present invention.

9 is a perspective view of an initial excellent treatment tank according to a second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

10 is a plan view of an initial excellent treatment tank according to a second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

11 is an excellent flow system diagram of an initial excellent treatment tank according to a second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

12 is a view showing a state in which a buoy automatic gate is installed in the end of the channel of the initial excellent treatment tank according to the second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

Figure 13 is a perspective view showing a variable wear formed in the channel of the initial excellent treatment tank according to the second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

Figure 14 is a cross-sectional view showing a buoy automatic shut-off valve installed in the flow rate control tank of the initial excellent treatment tank according to the second embodiment of the initial excellent treatment apparatus including a cartridge spiral screen according to the present invention.

(Explanation of symbols for the main parts of the drawing)

110: initial excellent treatment tank 111: rainwater induction furnace

112: cartridge spiral screen 112a: frame

112b: filter element a, b: through hole

c: fill 113: precipitate stack

114: floating material removing member 120: water channel

121: variableware 122: automarker

130: flow control tank 131: inlet

132: outlet 133: buoy automatic shut-off valve

133a: float 133b: disk

134: sediment separation wall 135: screen

140: dredging pipe

Claims (8)

Induces the initial excellent through the rainwater induction path 111 in communication with the waterway 120, the cartridge spiral screen 112 installed therein can be processed according to the properties of the non-point pollutant contained in the initial rain, The cartridge spiral screen 112 is composed of an inner surface and an outer surface having through holes (a) and (b) formed therebetween, and a filling material (c) is filled between the inner and outer surfaces, and the inner surface is spirally formed. To induce flow, Initial excellent treatment apparatus including a cartridge spiral screen, characterized in that the lower portion of the cartridge spiral screen (112) comprises an initial excellent treatment tank (110) in which a deposit stack (113) is formed. The method according to claim 1, The channel 120 is provided with a variable wear 121 is adjustable in the horizontal direction, the initial excellent water collected by the variable wear 121 between the channel 120 and the initial excellent treatment tank 110 Is installed through the inlet 131 flow rate control tank 130 is a space for storing and collecting, the flow control tank 130, the initial excellent rainwater source containing the non-point source introduced through the inlet 131 Outlet 132 is formed to transfer the to the sewage treatment plant, the outlet 132 is a cartridge, characterized in that the buoy automatic shutoff valve 133 is installed in multiple stages to automatically shut off when the initial rainfall more than a predetermined amount flows. Initial excellent treatment device including a spiral screen. The method of claim 2, The flow control tank 130 has a soil separation wall 134 is formed to separate the soil contained in the initial rainwater introduced from the inlet 131, the rainwater overflowing the soil separation wall 134 is screen 135 Initial excellent treatment apparatus comprising a cartridge spiral screen, characterized in that the float is blocked by). The method according to claim 1, The cartridge spiral screen (112), the initial excellent treatment apparatus comprising a cartridge spiral screen, characterized in that can be separated into at least two or more box-shaped filter body (112b) on the frame (112a). The method according to claim 1, Initial through-hole (a) of the cartridge spiral screen 112, the initial excellent treatment apparatus including a cartridge spiral screen, characterized in that the perforated wider than the through hole (b) of the outer surface. The method according to claim 1, The float removing member 114 is installed below the cartridge spiral screen 112, and the floating removing member 114 is formed with a flange 114a seated on an inner step of the initial excellent treatment tank 110. A cartridge characterized in that the lower portion of the flange (114a) to prevent the re-injury to prevent re-injury 114b, and the lower portion of the re-injury prevention portion (114b) to form a screen portion (114b) Initial excellent treatment device including a spiral screen. The method according to claim 2, Initial water treatment apparatus including a cartridge spiral screen, characterized in that to prevent the backflow of the river by installing a buoy automatic gate 122 in the end of the waterway (120). The method according to claim 2, The lower side between the initial excellent treatment tank 110 and the flow control tank 130 is connected to the pipe, the rain control stops by installing a buoy automatic gate 136 on the side of the flow control tank 130 (the initial excellent treatment tank ( 110) and the cartridge spiral characterized in that when the water level of the flow control tank 130 is lowered to bypass the rainwater mixed with the sedimentary contaminants of the initial rainwater treatment tank 110 to the flow control tank 130 side Initial excellent treatment device including a screen.

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