KR101106390B1 - Vortex trap apparatus - Google Patents

Abstract

A vortex trap device for rainfall runoff treatment in urban roads is disclosed.

The vortex trap apparatus according to the present invention includes an outer vortex chamber embedded in the ground; An inlet formed through one side of the outer vortex chamber and having a rainfall outflow; An inner vortex for separating and filtering the contaminants contained in the rainfall effluent according to specific gravity while turning the rainfall effluent flowing through the inlet part spirally toward a central portion; And an outlet configured to penetrate the other side of the outer vortex chamber and discharge the rainfall effluent filtered by the inner vortex.

Description

Vortex trap apparatus

The present invention relates to a vortex trap apparatus for treating rainfall runoff from urban roads among non-point pollutants, and more particularly, strong swirl flow can be formed while urban runoff is introduced into the device. This allows for rapid classification of suspended and particulate matter contained in rainfall effluents, while simultaneous suspended matter is trapped in suspended traps, large particulate matter is removed through screen baskets, and upper baffles are removed. By installing the particles, it moves the particles to the center of the inner vortex, not only to control the direction of the flow velocity, but also to remove the organic matters efficiently.The solid particles are separated by the centrifugal force to the lower part of the inner vortex. Vortex trap field that can be discharged through the bottom valve after deposition on the lower surface of the outer vortex chamber It is about chi.

Pollutants that cause water pollution are largely divided into point sources and nonpoint sources. Unlike point sources such as wastewater discharge facilities, sewage generation facilities, and livestock houses, nonpoint sources are unspecified in unspecified places such as cities, roads, farmland, and construction sites. Refers to a source of discharge of water pollutants.

In particular, non-point pollutants discharged from rainfall in urban areas to nearby streams contain large amounts of oil components, heavy metals, organic and inorganic harmful substances, but are discharged into public waters without any treatment.

The particle size of suspended solids in rainfall effluent is very slow to settle below 100㎛, and most of the particles that do not precipitate are easily discharged by adsorbing or attaching harmful substances such as heavy metals and oil components. Since the fine particles have a high correlation with organic substances and heavy metals, the removal of fine suspended solids generated during the first flush has the effect of reducing many kinds of pollutants.

 Non-point pollutant abatement facilities distributed at home and abroad are largely divided into natural facilities such as storage facilities, infiltration facilities, artificial wetlands, and other device-type facilities such as filtration type, vortex type, screen type, coagulation sedimentation type, and biological treatment type. .

Natural type facilities require large areas and are difficult to apply in urban areas.In addition, complex type facilities require complex and vortex type facilities depending on the location or region. It is installed and used.

As such, each facility has limitations in terms of processing flow rate and processing efficiency. Therefore, if the compact installation in one device to take advantage of each facility will be able to effectively treat non-point pollutants.

Therefore, the present invention provides a HDS (Hydro Dynamic Separator) treatment apparatus in which the advantages of the filtration type and the vortex type equipment are mixed among the device type facilities, and the pollutants contained in the rainfall effluent flowing into the device according to the specific gravity. After separation filtration, the treated water was allowed to drain.

An object of the present invention is to compact and form a powerful vortex during the road runoff inflow process to quickly separate the particulate matter and suspended solids contained in the rainfall runoff to improve the removal efficiency of pollutants contained in the rainfall runoff It is to provide a trap device.

Vortex trap apparatus according to the present invention for achieving the above object is an outer vortex chamber (outer vortex chamber) embedded in the ground; An inlet formed through one side of the outer vortex chamber and having a rainfall outflow; An inner vortex for separating and filtering the contaminants contained in the rainfall effluent according to specific gravity while turning the rainfall effluent flowing through the inlet part spirally toward a central portion; And an outlet configured to penetrate the other side of the outer vortex chamber and discharge the rainfall effluent filtered by the inner vortex.

At this time, the side of the inner vortex, a float trap for trapping a material having a specific gravity less than the water contained in the rainfall effluent is disposed (floatable trap), the float trap for discharging the trapped material to the outside It may be connected to the top valve.

In addition, an upper baffle may be disposed along an upper portion of the inner vortex in order to guide a flow velocity of the rainfall effluent flowing into the inner vortex to a central portion of the inner vortex.

A screen basket may be disposed under the inner vortex to filter coarse particles among the materials included in the rainfall effluent passing through the inner vortex. At this time, the lower surface of the outer vortex chamber to form a region in which the unfiltered material is precipitated by the screen basket of the material contained in the rainfall effluent passing through the inner vortex, and to prevent re-injury of the precipitated material. A lower baffle may be disposed at the.

Vortex trap apparatus according to the present invention has a simple structure, while having the advantage of being able to separate and filter the contaminants contained in the rainfall effluent according to specific gravity while turning the incoming rainfall effluent spirally toward the central portion.

According to the present invention, materials having a lower specific gravity than water are collected in a floating trap disposed on the side of the inner vortex, and coarse materials having a higher specific gravity than the water are filtered by the screen basket while passing through the inner vortex, and the remaining materials. They are settled on the bottom surface of the outer vortex chamber, the contaminants contained in the rainfall effluent are separated and filtered as described above, and the treated rainfall effluent is discharged through the discharge portion, thereby enabling effective treatment of non-point pollutants.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and those skilled in the art to which the present invention pertains. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a vortex trap apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 schematically shows an internal cross section of a vortex trap device according to the invention, and FIG. 2 schematically shows a plane of the vortex trap device shown in FIG. 1.

1 and 2, the vortex trap device 100 according to the present invention includes an outer vortex chamber 110, an inlet 120, an inner vortex 130, and an outlet 140.

Outer vortex chamber

An outer vortex chamber 110 is buried underground and forms the appearance of the device. Since the outer vortex chamber 110 is buried in the ground, other elements constituting the vortex trap device 110 according to the present invention may also be located in the ground, which may have the advantage of being visually clean as a whole.

The inner vortex 130 is disposed in the outer vortex chamber 110 through a connection clamp or the like. When the rainfall effluent passes through the internal vortex 130, the effluent moves to the lower side of the external vortex chamber 110, and as the effluent flows into the internal vortex 130, the external vortex chamber 110 of the treated rainfall effluent is increased. The internal water level is also gradually increased, and when the water level is above a certain level, the treated rainfall runoff water is discharged to the outside.

In addition, other elements constituting the vortex trap device except the inlet 120 and the outlet 140 are located inside the outer vortex chamber 110, thereby making it relatively compact compared to the conventional large trap devices. I can feel it.

Inlet

Inlet portion 120 is formed in the form of a tube passing through one side of the outer vortex chamber 110, the inlet portion 120 is connected to the inner vortex 130, the rain flowing through the inlet portion 120 The effluent immediately enters the internal vortex 130.

Internal vortex

The inner vortex 130 rotates the rainfall runoff flowing through the inlet 120 toward the central portion in a spiral manner, and separates and filters contaminants contained in the rainfall runoff according to specific gravity.

Substances having a smaller specific gravity than water (floating materials) are moved toward the edge of the internal vortex 130 by centrifugal force, and substances having a larger specific gravity than water are included in the rainfall effluent and moved to the center portion of the internal vortex 130. Done.

Particle diameter of the material contained in the rainfall effluent is less than 100㎛ specific gravity than water, in order to trap the floating substances moving toward the edge of the inner vortex 130, a floating trap (floatable trap) on the side of the inner vortex 130 , 131 may be disposed.

At this time, the floating trap 131 is connected to the upper valve 132 for discharging the trapped material to the outside, the material trapped inside the floating trap 131 is discharged to the outside when the upper valve 132 is opened. As shown in FIG. 1, the upper valve 132 may be disposed under the inner vortex.

Suspended matter in the rainfall effluent may deteriorate the water quality due to the rainfall effluent discharged by easily adsorbing or adhering harmful substances such as heavy metals, oil components, etc. These low suspended solids can be easily collected. Accordingly, the rainfall effluent discharged through the vortex trap device according to the present invention can minimize the content of the above suspended solids, thereby reducing many kinds of pollutants and solving the problems of deterioration of water quality. have.

Meanwhile, an upper baffle 133 may be disposed along the upper portion of the inner vortex 130. The upper baffle 133 guides the flow velocity of the incoming rainfall effluent to a central portion of the internal vortex 130 to prevent the sedimentation of the material having a greater specific gravity than the water contained in the rainfall effluent. It can serve as a central part of 130).

In addition, a screen basket 134 is disposed below the inner vortex 130 to filter and adsorb coarse particles having a relatively large size among the particulate matter included in the rainfall effluent passing through the inner vortex 130. can do. The size of the material filtered by the screen basket 134 may vary depending on the pore size of the screen basket.

The screen basket 134 may be made of a material resistant to corrosion, such as stainless steel, the pore forming the screen may have a circular pore size of about 0.5 ~ 1.5mm. In addition, when contaminants accumulate in the screen basket 134, a handle may be attached to the screen basket 134 for removal thereof.

At this time, the upper portion of the screen basket 134, when the level of rainfall outflow water inside the outer vortex chamber 110 is higher than the upper portion of the screen basket 134, the flow of the rainfall effluent passing through the inner vortex 130 is directed downward. And, the first cone (cone 1, 135) for buffering the water to suppress the re-injury of the particulate matter precipitated at the bottom may be disposed. The first cone 135 is attached to the upper end of the screen basket 134, the upper portion is a small cone and the lower portion is formed of a relatively large diameter (cone), about 25 to 35 degrees in the vertical direction from the bottom surface It is made of a shape having a slope of.

When the water level of the rainfall effluent inside the outer vortex 110 is lower than the position where the first cone 135 is disposed, the first cone 135 does not play a role, but the rainfall effluent inside the outer vortex 110. When the water level is higher than the position where the first cone 135 is disposed, the first cone 135 serves to convert the flow of rainfall effluent passing through the internal vortex 130 from upstream to downflow.

In addition, the lower portion of the screen basket 134 guides the rotational flow generated from the inner vortex 130 to the lower baffle 150, thereby allowing the particulate matter in the rainfall effluent to pass through the inner vortex 130 to the outer vortex chamber 110. A second cone (cone 2, 136) may be disposed under the screen basket for rapid transfer to the bottom sediment sump and to prevent resurfacing of particulate matter. The second cone 136 is attached to the lower end of the screen basket 134, and like the first cone 135 is in the form of a cone (cone) consisting of a small diameter of the upper portion and a relatively large diameter, the lower portion in the vertical direction It has a shape having an inclination of about 25 to 35 degrees.

In order to form a sediment sump in which the unfiltered material is precipitated by the screen basket 134 among the materials included in the rainfall effluent passing through the internal vortex 130 and to prevent re-injury of the precipitated materials, A lower baffle 150 may be disposed at a lower side of the outer vortex chamber 110, specifically, at a lower position than the inner vortex 130 and the screen basket 134.

At this time, the lower baffle 150 is preferably formed to be inclined downward in the center direction. This is to stably deposit a relatively large amount of material in a limited area and to suppress re-injury of the precipitated materials.

If the amount of rainfall runoff is very small, or the inflow of the rainfall runoff is stopped, the rainfall runoff remains at the bottom of the outer vortex chamber 110. When the rainfall runoff remains in the lower portion of the outer vortex chamber 110, odor may occur, insects may inhabit, and freezing may occur in winter. In addition, since some contaminants are deposited on the lower surface of the outer vortex chamber 110, such residual rainfall effluent and contaminants need to be discharged to the outside.

In order to solve this problem, the lower valve 152 may be disposed below the outer vortex chamber 110. When the lower valve 152 is opened, the rainfall effluent and the sediment remaining in the lower portion of the outer vortex chamber 110 are discharged to the outside.

The lower valve 152 and the upper valve 132 described above serve to facilitate removal even when suspended matters are accumulated.

Outlet

The outlet 140 is formed through the other side of the outer vortex chamber 110 and discharges to the outside when the rainfall effluent filtered by the inner vortex 130 corresponds to a predetermined height.

Specifically, as the rainfall effluent continues to flow, the level of the effluent treated through the inner vortex 130 in the outer vortex chamber 110 also increases, so that the level rises to a height at which the outlet 140 is disposed. When the waste water is discharged through the outlet 140, the water is discharged to the outside.

Outlet 140 has an outlet box 141 for secondaryly collecting materials not collected in the floating trap 131 through the inner vortex 130 of the material having a lower specific gravity than the water is disposed on the inner vortex 130 side. The outlet box 141 may be connected to the floating trap 131 so that the collected suspended substances move to the floating trap 131.

3 and 4 illustrate an example of a movement path of particulate matter included in rainfall runoff in the vortex trap apparatus 100 according to the present invention.

The flow rate of rainfall runoff represents the maximum value in the internal vortex 130, and the flow rate decreases toward the lower side. Meanwhile, referring to FIGS. 3 and 4, the large particle material is precipitated in a sediment sump below the lower baffle 150, and some fine particle materials are discharged through the outlet 140.

5 schematically shows an example of a flow rate distribution diagram at an outlet portion.

Referring to FIG. 5, the rainfall flowing out through the outlet 140 flows out while being overflowed, and thus the flow rate is decreased.

A summary of the rainfall runoff treatment process in the vortex trap apparatus 100 according to the present invention is as follows.

When the rainfall runoff flows into the vortex trap apparatus 100 according to the present invention, ie, the internal vortex 130 through the inflow portion 120, a strong swirl flow is formed by the internal vortex 130, resulting in a rainfall according to the difference in specific gravity. Suspended and particulate matter contained in the effluent is separated and filtered by the float trap 131, the screen basket 134, and the like, and some substances are deposited on the lower surface of the outer vortex chamber 110.

As rainfall runoff continues to flow, the water level inside the outer vortex chamber 110 is increased. As the water level inside the outer vortex chamber 110 increases gradually, the water level increases to the height of the discharge unit 140. Subsequently, the rainfall effluent water from which the floating material and the particulate material are filtered is discharged to the outside through the discharge unit 140.

The vortex trap apparatus according to the present invention can effectively treat pollutants by separating and filtering contaminants contained in the rainfall effluent according to specific gravity while turning the incoming rainfall effluent spirally toward the central portion.

Although the above has been described with reference to one embodiment of the present invention, various changes and modifications can be made at the level of those skilled in the art. Such changes and modifications may belong to the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention will be determined by the claims described below.

Figure 1 schematically shows the internal cross section of the vortex trap apparatus according to the present invention.

FIG. 2 schematically shows a plane of the vortex trap device shown in FIG. 1.

Figure 3 is a perspective plan view showing an example of the particulate matter movement path in the vortex trap apparatus according to the present invention.

Figure 4 is a perspective side view showing an example of the particle movement path in the vortex trap apparatus according to the present invention.

5 schematically shows an example of a flow rate distribution diagram at an outlet portion.

Claims (14)

An outer vortex chamber embedded in the ground; An inlet formed through one side of the outer vortex chamber and having a rainfall outflow; An inner vortex for separating and filtering the contaminants contained in the rainfall effluent according to specific gravity while turning the rainfall effluent flowing through the inlet part spirally toward a central portion; And It is formed through the other side of the outer vortex chamber, and includes an outlet for discharging the rainfall runoff water filtered by the inner vortex, On the side of the inner vortex, a floating trap for trapping a material having a specific gravity less than water among the materials contained in the rainfall effluent is disposed, The floating trap is connected to the upper valve for discharging the trapped material to the outside, A vortex trap device, characterized in that the bottom valve for discharging the material precipitated on the lower surface of the outer vortex chamber to the outside. delete delete The method of claim 1, And the upper valve is disposed below the inner vortex. The method of claim 1, An upper baffle is disposed along the upper portion of the inner vortex, thereby guiding a flow velocity of the incoming rainfall effluent to a central portion of the inner vortex. The method of claim 1, And a screen basket disposed below the inner vortex to filter coarse particles among the materials contained in the rainfall effluent passing through the inner vortex. The method of claim 6, The screen basket is a vortex trap device, characterized in that made of stainless steel with a pore size of 0.5 ~ 1.5mm. The method of claim 6, A vortex trap device, characterized in that the first cone is formed on the upper end of the screen basket having a larger diameter than the upper portion of the lower portion. The method of claim 6, A vortex trap device, characterized in that the lower end of the screen basket is disposed a second cone of a relatively larger diameter than the upper portion. The method of claim 6, In order to form a sediment sump in which the unfiltered material is precipitated by the screen basket among the materials included in the rainfall effluent passing through the internal vortex, and to prevent re-injury of the precipitated material, the lower end of the internal vortex A vortex trap device, characterized in that a lower baffle is disposed at a lower position. The method of claim 10, The lower baffle is vortex trap apparatus, characterized in that formed inclined downward in the center direction. delete The method of claim 1, The outlet portion of the vortex trap device is characterized in that the outlet box for collecting the secondary substances that are not collected in the floating trap through the inner vortex of the material having a specific gravity lower than water is disposed. The method of claim 13, And the outlet box is connected to the floating trap.

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