KR101690674B1 - Draining unit for purifying the non-point pollution material in rainwater - Google Patents

Abstract

The present invention relates to a device for collecting rainwater to prevent damage from natural disasters and to secure water resources, and more particularly, to provide a water resource suitable for reuse purpose by appropriately treating various pollutants before collecting rainwater mixed with non-point pollutants The present invention relates to an apparatus for filtering non-point pollutants for filtration, comprising: a filter unit for filtering collected non-point pollutants from an inflow pipe and providing the collected rainwater to a storage tank through an outflow pipe, A filter provided on the slope so as to have a predetermined inclination angle with respect to a plane direction perpendicular to the moving direction of the storm; And a door for opening and closing one side of the filtration device so that the filter can be input and output.
Further, the present invention provides a bidirectional filter and a bidirectional filter so as to filter the size of the foreign object step by step, and the filters are installed so as to be inclined so that the filtered foreign matter is gathered on one side so that the filter is not blocked by the foreign matter, There is an effect that the removal operation can be easily performed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a non-point-

The present invention relates to a device for collecting rainwater to prevent natural disaster damage and to secure water resources, and more particularly, to provide a water resource suitable for reuse purpose by appropriately treating various pollutants before collecting rainwater mixed with non-point pollutants Point non-point pollutant filtration device.

Generally, in order to prevent damages caused by natural disasters such as floods and droughts, methods of storing stormwater to prevent flooding and using stored stormwater as water resources are widely used.

For this purpose, the stormwater is temporarily stored before it enters the lagoons and rivers, discharged after the lower water level is lowered, to prevent flooding in the area, and to use the storeroom to utilize the stored water resources.

The superior storage facility requires a filtration facility capable of removing non-point contaminants, and a process of removing the filtered non-point contaminants is required in such a filtration facility.

In order to facilitate the process of removing foreign matter by such a demand, various filtration apparatuses have been developed.

Regarding the technique for removing foreign matter contained in the rainbow, JP 10-2011-0050501 discloses a technique for automatically removing non-point pollutants filtered on a screen.

However, as shown in FIG. 1, the conventional technique requires an electric configuration such as a motor, and the configuration of the screen (filter) is complicated, so that not only the unit cost at installation is excessive, There is a problem that the cost is excessively generated.

Korean Patent No. 10-2011-0050501

Disclosure of Invention Technical Problem [8] The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a screen having a relatively simple structure, And to provide a high-quality non-point pollutant filtering device.

It is another object of the present invention to provide a high-boiling-point pollutant filtration apparatus configured to shield a traveling path by a door when a door of a filtration apparatus is opened, in order to prevent foreign matter from moving to a storage space along a traveling path.

It is another object of the present invention to provide an excellent non-point pollutant filtering apparatus having an opening and closing door structure of a filtration apparatus that can minimize a work space in an operation of removing foreign substances in a filtration apparatus.

According to an aspect of the present invention, there is provided an apparatus for filtering non-point pollutants, comprising: a filtration apparatus for filtering collected non-point pollutants into a storage tank through an outflow pipe, A filter installed at an inclined surface so as to have a predetermined inclination angle with respect to a plane direction perpendicular to the moving direction of the storm, so as to remove foreign matters moving in the vertical direction; And a door for opening and closing one side of the filtration device so that the filter can be input and output.

Further, the present invention is characterized in that, in the first aspect, the filter includes: a primary filter formed with a unidirectional slit structure; And a second-order filter having a grid-like slit structure.

The present invention is also directed to a method of manufacturing a filter according to claim 2, further comprising: a primary filter guide for guiding the movement of the primary filter and fixing the primary filter in an inclined state; And a secondary filter guide for guiding the movement of the secondary filter and fixing the secondary filter in an inclined state.

[14] According to another aspect of the present invention, there is provided a refrigerator comprising: a door including a plate-shaped door and a hinge provided at both lower ends of the plate-shaped door to pivotably support the plate-shaped door And a high-boiling-point pollutant filtering device.

The apparatus of claim 4, further comprising a door guide for guiding the movement of the plate-shaped door when the plate-shaped door is inserted into the filtration apparatus, do.

[13] The present invention further includes an excellent non-point pollutant filtering device according to any one of claims 1 to 3, wherein the door comprises a corrugated cardboard.

According to another aspect of the present invention, there is provided a filtration apparatus for introducing collected rainwater from an inflow pipe and filtering the nonpoint contamination to the storage tank through an outflow pipe, the filtration apparatus comprising: A filter provided on an inclined surface so as to have an inclination angle; And a door for opening and closing the upper surface of the filtration device so that the filter can be input and output.

Further, the present invention is characterized in that, in the filter according to the present invention, the filter includes: a primary filter having a unidirectional slit structure; And a second-order filter having a grid-like slit structure.

[12] The present invention as set forth in claim 8, wherein the secondary filter includes: a bottom plate extending below the secondary filter and formed parallel to a lower end surface of the filtering device; And a protrusion formed to extend from the bottom plate at a predetermined length in a direction perpendicular to the bottom plate.

[0028] The present invention also provides a method of manufacturing a semiconductor device, comprising: a first filter guide guiding movement of the primary filter and fixing the primary filter in an inclined state; And a secondary filter guide for guiding the movement of the secondary filter and fixing the secondary filter in an inclined state.

The present invention also relates to an excellent non-point pollutant filtration apparatus according to any one of claims 7 to 10, wherein the door comprises a plate-shaped door.

The apparatus of any one of claims 7 to 10, wherein the door is formed of a wrinkle plate.

The apparatus of claim 12, further comprising a door guide for guiding movement of the corrugated plate door when the corrugated plate door is inserted into the filtration apparatus .

As described above, the following effects can be expected in the apparatus for filtering non-point pollutants according to the present invention.

That is, the present invention provides a one-way filter and a bidirectional filter so as to filter out the size of the foreign substances in stages and to tilt the filters so that the filtered foreign substances are gathered on one side so that the filter is not blocked by the foreign substances, There is an effect that the removal operation can be easily performed.

Further, the present invention is configured such that the moving path is shielded when the door is opened, so that foreign matter can be prevented from moving along the moving path and flowing into the storage tank during the foreign object removing operation.

Further, in the case of applying a corrugated plate to the opening and closing door, the present invention has an effect of minimizing a work space of a worker in the work of removing foreign matter.

Brief Description of the Drawings Fig. 1 is a perspective view showing an assembled state of an excellent outflow reduction device according to the prior art; Fig.
FIG. 2 is a view showing an excellent treatment facility equipped with an excellent non-point pollutant filtration apparatus according to the present invention; FIG.
FIG. 3A is a perspective view illustrating an embodiment in which a plate-like door is applied to a fine non-point pollutant filtering apparatus according to a specific embodiment of the present invention. FIG.
FIG. 3B is an exemplary view showing a state in which a plate-shaped door is opened or closed in a high-boiling-point pollutant filtration apparatus according to a specific embodiment of the present invention. FIG.
FIG. 4A is a perspective view showing an embodiment in which a corrugated plate door is applied to a fine non-point pollutant filtering apparatus according to a specific embodiment of the present invention. FIG.
FIG. 4B is an exemplary view showing a state in which a corrugated plate door is opened and closed in a fine non-point pollutant filtration apparatus according to a specific embodiment of the present invention. FIG.
FIG. 5 is a view illustrating an excellent treatment facility equipped with an excellent nonpoint pollutant filtering apparatus according to another embodiment of the present invention. FIG.
FIG. 6 is a cross-sectional view showing an embodiment in which a plate-shaped door is applied to a fine non-point pollutant filtering apparatus according to another embodiment of the present invention. FIG.
FIG. 7 is an exemplary view showing a second filter provided in the excellent nonpoint pollutant filtering apparatus according to another embodiment of the present invention; FIG.
FIG. 8 is a cross-sectional view showing an embodiment in which a corrugated plate door is applied to a fine non-point pollutant filtering apparatus according to another embodiment of the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, an excellent treatment facility equipped with the apparatus for filtering non-point pollutants according to the present invention will be described in detail with reference to FIG.

As shown in FIG. 2, the stormwater treatment facility provided with the excellent non-point spot pollutant filtering apparatus according to the present invention includes a collecting port 100, an inlet pipe 200, a filtering device 300, an outlet pipe 400, ).

The inflow pipe 200 is installed on the ground to collect rainwater from the ground and collect the rainwater flowing from the inflow pipe 200 into the inflow pipe 200, 300).

In addition, the filtration apparatus 300 functions to filter out non-point contaminants included in the rainwater and purify the filtration apparatus 300. The filtration apparatus 300 may further include, in a specific embodiment of the excellent non-point pollutant filtration apparatus according to the present invention, Will be described in detail.

A work space S is formed at one side of the filtration apparatus 300, which means a work space of an operator for removing foreign matters from the filtration apparatus 300.

The outlet pipe 400 serves to move the rainwater that has been filtered by the non-point contaminants to the storage vessel 500 in the filtration apparatus 300, and the storage vessel 500 is connected to the outlet pipe 400, .

Of course, various constructions such as a drain pipe and a drain pump for utilizing the collected stormwater as water resources for various purposes may be added to the storage tank 500, but since they do not correspond to the gist of the present invention, illustration and explanation are omitted .

Hereinafter, a specific embodiment of the apparatus for filtering non-point pollutants according to the present invention will be described in detail with reference to door shapes.

FIG. 3 (a) is a perspective view illustrating an embodiment in which a plate-shaped door is applied to the apparatus for filtering non-point pollutants according to a specific embodiment of the present invention, FIG. 3 (b) FIG. 8 is an exemplary view showing a state in which a plate-shaped door is opened and closed.

3A, the inlet pipe 200 and the outlet pipe 400 are connected to the upper and lower portions of the filtration apparatus 300, respectively. Inside the filtration apparatus 300, A filter is provided to remove foreign matters in the vertical direction.

At this time, the primary filter 310 is inserted into the upper part of the filtering device 300 along the primary filter guide.

The primary filter 310 is a one-way filter for primarily filtering relatively large non-point pollutants in storm water mixed with non-point contaminants.

At this time, the primary filter guide 312 is an eleven-shaped protrusion having a groove on the inner side, and the primary filter 310 is formed to be fixed in an inclined state.

The reason why the primary filter 310 is fixed so as to be inclined is to prevent the filter from being clogged by the contaminants by causing the contaminants to accumulate downward, and to facilitate the contaminant removal operation.

The secondary filter 320 is inserted along the secondary filter guide 322 at the lower end of the primary filter 310 inside the filtering device 300.

The secondary filter 320 is a bidirectional filter for filtering a relatively small amount of non-point contaminants contained in the rainwater filtered by the primary filter 310.

In addition, the second filter guide 322 is formed by an eleven-shaped protrusion having a groove on the inner side, and the second filter 320 is formed to be fixed in an inclined state. The first filter 310, Is formed to be fixed in an inclined state.

3A and 3B, the primary filter 310 and the secondary filter 320 are installed so as to be inclined at the same inclination angle. However, the inclination angle may be different if necessary. Specifically, in the case of the primary filter 310, since it is a one-directional filter, when the slant direction is set in a direction perpendicular to the slit direction of the filter, the slit interval can be narrowed by increasing the slant angle.

In the embodiment of the present invention, the filtration device 300 is provided so that the primary filter 310 and the secondary filter 320 are moved downward and removed, Shaped plate-like door 330 is formed on one side of the first filter guide 312 and the second filter guide 322, which are perpendicular to the installation direction. Hereinafter, the door mounting surface will be referred to as a front surface for convenience of explanation.

A plate-shaped door handle 332 is formed at one side of the plate-shaped door 330 to allow the user to grip the plate-shaped door 330 for opening and closing.

At this time, the plate-type door 330 is installed to be rotatable about the lower end.

For this, a hinge 336 is preferably provided at both lower ends of the plate-type door 330.

3B, the plate-type door 330 is pivoted around the hinge 336 and is inserted into the filtering device 300 along the plate-type door guide 334, And serves to shield the lower end of the inside of the filtering device 300.

The first filter 310 and the second filter 320 may be separated from each other when the plate type door 330 shields the lower end of the filter 300. In this case, And the non-point contaminants separated from the secondary filter 320 are placed on the plate-like door 330.

When the non-point contaminants deposited on the plate-type door 330 are removed, the foreign substances in the filtration apparatus 300 can be removed without any non-point contaminants flowing into the storage vessel 500 through the outflow pipe 400 .

Meanwhile, in the concrete embodiment of the apparatus for filtering non-point pollutants according to the present invention, other types of doors may be provided.

Figure 4a shows an embodiment with a corrugated door in a specific embodiment according to the present invention.

The corrugated panel door 350 is a door configured to be rolled by connecting a plurality of elongated members through a seam.

A corrugated plate door handle 352 is formed on one side of the corrugated plate door 350 to allow the user to grasp the corrugated plate door 350 for opening and closing.

4B, when the corrugated plate door 350 is opened, the lower end of the corrugated plate door 350 is sequentially inserted and moved into the corrugated plate door guide 354, and the corrugated plate door 350 Is completely opened, the lower portion of the filtration device 300 'is shielded.

Accordingly, it is not necessary for the worker to rotate the corrugated plate door 350 forward when the foreign substance removing operation of the filtration device 300 'is performed, and the operator can minimize the work space S required for the foreign substance removing operation It is effective.

Hereinafter, another embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 5 is a view illustrating a poor treatment facility equipped with an excellent non-point pollutant filtration apparatus according to another embodiment of the present invention. FIG. 6 is a schematic view showing an apparatus for filtering non-point pollutants according to another embodiment of the present invention. FIG. 7 is a view illustrating an example of a second filter included in the apparatus for filtering non-point pollutants according to another embodiment of the present invention, and FIG. 8 is a cross- Sectional view showing an embodiment in which a corrugated plate door is applied to a high-boiling point pollutant filtering apparatus.

6, the inlet pipe 200 and the outlet pipe 400 are connected to both side portions of the filtration apparatus 1300, which are opposed to each other. Inside the inlet pipe 200 and the outlet pipe 400, Directional filter is provided to remove foreign matter moving in the horizontal direction.

5, the stormwater treatment plant equipped with the filtration apparatus according to another embodiment of the present invention includes a collection port 100, an inlet pipe 200, a filtration apparatus 1300, an outlet pipe 400, And a storage tank 500.

The inflow pipe 200 is installed on the ground to collect rainwater from the ground and collect the rainwater flowing from the inflow pipe 200 into the inflow pipe 200, 1300).

In addition, the filtering apparatus 1300 filters out non-point pollutants contained in the rainwater and purifies the pollutants. The front surface of the filtering apparatus 1300 is installed on the ground, and a separate work space S for removing foreign matter is not required .

This will be described in more detail below with reference to FIGS. 6 to 8. FIG.

Meanwhile, the outflow pipe 400 serves to move the rainwater that has been filtered by the non-point contaminants to the storage vessel 500 in the filtration apparatus 1300, and the storage vessel 500 is connected to the outflow pipe 400, As described above.

Hereinafter, an embodiment to which a plate-shaped door is applied in another embodiment of the present invention will be described in detail with reference to FIG.

As shown in FIG. 6, the inlet pipe 200 is connected to one side of the filtration apparatus 1300, and the outlet pipe 400 is connected to the other side of the filtration apparatus 1300 so as to move horizontally.

A primary filter 310 is inserted along the primary filter guide 312 at the connection side of the inlet pipe 200 in the filtration apparatus 1300.

The primary filter 310 is a one-way filter for primarily filtering relatively large non-point pollutants in storm water mixed with non-point contaminants.

The primary filter guide 312 is formed as an eleven-shaped protrusion having a groove on the inner side, and the primary filter 310 is fixed in an inclined state.

At this time, the inclined direction is formed to have an inclined surface inclined toward the outlet pipe 400 from the lower end to the upper end.

On the other hand, a secondary filter 320 is inserted along the secondary filter guide 322 on the connecting side of the outlet pipe 400 in the filtering device 1300.

The secondary filter 320 is a bidirectional filter for filtering a relatively small amount of non-point contaminants contained in the rainwater filtered by the primary filter 310.

The secondary filter guide 322 is also formed as an eleven-shaped protrusion having a groove on the inner side.

The reason why the primary filter 310 and the secondary filter 320 are fixed in an inclined state is to prevent the filter from being clogged due to contaminants by causing the contaminants to accumulate downward, .

7, the lower end of the secondary filter 320 is extended to form a bottom plate 1324 and a protrusion 1326. As shown in FIG.

The bottom plate 1324 is formed parallel to the bottom surface of the filtration apparatus 1300 and the protrusion 1326 is formed to extend from the bottom plate 1324 in a vertical direction to a predetermined length.

The bottom plate 1324 is a part for forming a space in which the contaminants trapped by the primary filter 310 and the secondary filter 320 are accumulated and is connected to the plate type door 330 of the filtering device 1300, And it is preferable that it is formed to have a narrower width.

A groove is formed in the bottom plate 1324 where the primary filter guide 312 and the secondary filter guide 322 are located so that the operator can move the secondary filter 320 vertically So that it can be detached and attached.

That is, the non-point contaminants filtered by the primary filter 310 and the secondary filter 320 are accumulated on the bottom plate 1324, and the secondary filter 320, The secondary filter 320 is removed in a state where the foreign matter is piled up on the bottom plate 1324. In this case, As a result, the deposited foreign matter can be easily removed.

6, the primary filter 310 and the secondary filter 320 are installed so as to have the same inclination. However, the inclination angle may be different if necessary. Specifically, since the primary filter 310 is a one-directional filter, when the slope direction of the primary filter 310 is perpendicular to the slit direction of the filter, the slit interval can be narrowed by increasing the slope angle. same.

In another embodiment according to the present invention, a longitudinal plate-shaped door 330 is formed on the upper surface of the filtration apparatus 1300 through which the primary filter 310 and the secondary filter 320 are input and output.

A plate-shaped door handle 332 is formed at one side of the plate-shaped door 330 to allow the user to grip the plate-shaped door 330 for opening and closing.

At this time, the plate-type door 330 is installed to be rotatable with reference to a side end of the connection part of the outflow pipe 400.

For this, a hinge 336 is preferably provided at both ends of the connection part side of the outlet pipe 400 in the plate-type door 330.

The plate-shaped door 330 is rotated around the hinge 336 to be opened and inserted along the plate-shaped door guide 334 so that the connecting portion side of the outlet pipe 400 inside the filtering device 1300 is shielded .

Therefore, when the plate-type door 330 is detached from the first filter 310 and the second filter 320 while the connecting portion of the outlet pipe 400 inside the filtering apparatus 1300 is shielded, The non-point contaminants separated from the primary filter 310 and the secondary filter 320 are taken out of the filtration apparatus 1300 together with the secondary filter 320 while being placed on the bottom plate 1324 .

Of course, a small number of non-point pollutants separated from the primary filter 310 and the secondary filter 320 are shielded by the plate-type door 330 and prevented from flowing out to the outlet pipe 400.

Thereafter, when the non-point contaminants in the filtration apparatus 1300 are removed, the foreign substances in the filtration apparatus 1300 can be removed without the presence of the non-point contaminants flowing into the storage vessel 500 through the outflow pipe 400 .

In another embodiment of the apparatus for filtering non-point pollutants according to the present invention, other types of doors may be provided.

That is, as shown in FIG. 8, the corrugated panel door 350 may be provided in the filtering apparatus 1300 'of another embodiment according to the present invention.

The corrugated panel door 350 has a plurality of elongated members connected to each other through a joint so that the door can be rolled, as shown in FIG. 4A.

A corrugated plate door handle 352 is formed at one side of the corrugated plate door 350 to allow the user to grasp the corrugated plate door 350 for opening and closing.

When the corrugated panel door 350 is opened, the connection side of the corrugated panel door 350 is sequentially inserted into the corrugated panel door guide 354, and the corrugated panel door 350 is completely And closes the connection portion side of the outlet pipe 400 when the filter device 1300 'is opened.

Therefore, it is not necessary for the worker to rotate the corrugated plate door 350 upward when the foreign substance removing operation of the filtration apparatus 1300 'is performed, so that the operator can minimize the work space S required for the foreign substance removing operation It is effective.

It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the appended claims. It is self-evident.

The present invention relates to a device for collecting rainwater to prevent damage from natural disasters and to secure water resources, and more particularly, to provide a water resource suitable for reuse purpose by appropriately treating various pollutants before collecting rainwater mixed with non-point pollutants The present invention relates to an excellent non-point pollutant filtration device for separating foreign matter from foreign substances, comprising a one-directional filter and a bidirectional filter, filtering the size of the foreign substances step by step, installing filters so as to be inclined, So that it is possible to easily carry out the removal work of the foreign matter.

100: Collecting hole 200: Inflow pipe
300: Filtration device 310: Primary filter
312: primary filter guide 320: secondary filter
322: Secondary filter guide 330: Plate-type door
332: Plate-type door handle 334: Plate-type door guide
336: Hinge 350: Crease door
352: corrugated door handle 354: corrugated door guide
400: outlet pipe 500: storage pipe
1324: bottom plate 1326:
S: Workspace

Claims (13)

1. A filtration apparatus for introducing collected rainwater from an inflow pipe and filtering non-point pollutants to be supplied to a storage tank through an outflow pipe,
A filter provided on the slope so as to have a predetermined inclination angle with respect to a plane direction perpendicular to the moving direction of the storm, so as to remove foreign matters moving in the vertical direction;
And a door that opens and closes one side of the filtration device so that the filter can be input and output,
The filter includes:
A primary filter formed with a unidirectional slit structure;
And a formed secondary filter having a lattice-shaped slit structure:
Wherein the door comprises a plate-shaped door,
A hinge that is provided at both lower ends of the plate-shaped door and rotatably supports the plate-shaped door is inserted into the filtration apparatus along a plate-shaped door guide provided inside the filtration apparatus, thereby shielding the lower end of the inside of the filtration apparatus;
Wherein the non-point contaminants separated from the primary filter and the secondary filter are deposited on the plate-type door when the primary filter and the secondary filter are detached.
1. A filtration apparatus for introducing collected rainwater from an inflow pipe and filtering non-point pollutants to be supplied to a storage tank through an outflow pipe,
A filter provided on the slope so as to have a predetermined inclination angle with respect to a plane direction perpendicular to the moving direction of the storm, so as to remove foreign matters moving in the vertical direction;
And a door that opens and closes one side of the filtration device so that the filter can be input and output,
The filter includes:
A primary filter formed with a unidirectional slit structure;
And a formed secondary filter having a lattice-shaped slit structure:
Wherein the door comprises a corrugated board,
The corrugated plate door is inserted into the filtration device along the corrugated plate door guide provided inside the filtration device to shield the lower end of the inside of the filtration device;
Wherein when the primary filter and the secondary filter are detached, the non-point contaminants separated from the primary filter and the secondary filter are deposited on the corrugated plate door.
3. The method according to claim 1 or 2,
A primary filter guide for guiding the movement of the primary filter and fixing the primary filter in an inclined state;
Further comprising a secondary filter guide for guiding the movement of the secondary filter and fixing the secondary filter in an inclined state.
delete delete delete 1. A filtration apparatus for introducing collected rainwater from an inflow pipe and filtering non-point pollutants to be supplied to a storage tank through an outflow pipe,
A filter installed on the slope so as to have a predetermined inclination angle with respect to the vertical direction so as to remove alien substances moving in the horizontal direction;
And a door that opens and closes the upper surface of the filtration apparatus so that the filter can be input and output,
The filter includes:
A primary filter formed with a unidirectional slit structure;
And a formed secondary filter having a lattice-shaped slit structure:
On the inside of the filtration device,
A primary filter guide for guiding the movement of the primary filter and fixing the primary filter in an inclined state;
And a secondary filter guide guiding the movement of the secondary filter and fixing the secondary filter in an inclined state,
Wherein the door comprises a plate-shaped door,
A hinge that is provided at both lower ends of the plate-shaped door and rotatably supports the plate-shaped door is inserted into the filtration apparatus along a plate-shaped door guide provided inside the filtration apparatus to shield the outflow observation of the filtration apparatus And:
Wherein the secondary filter comprises:
A lower end of the secondary filter is formed to extend in parallel with a lower end surface of the filtration device to form a space in which contaminants filtered by the primary filter and the secondary filter are accumulated, A bottom plate formed to have a width narrower than that of the plate-shaped door so that the contaminated material is drawn out to the outside;
And a protrusion formed to extend from the bottom plate at a predetermined length in a direction perpendicular to the bottom plate to prevent the contaminants deposited on the bottom plate from being separated from the bottom plate. .
1. A filtration apparatus for introducing collected rainwater from an inflow pipe and filtering non-point pollutants to be supplied to a storage tank through an outflow pipe,
A filter installed on the slope so as to have a predetermined inclination angle with respect to the vertical direction so as to remove alien substances moving in the horizontal direction;
And a door that opens and closes the upper surface of the filtration apparatus so that the filter can be input and output,
The filter includes:
A primary filter formed with a unidirectional slit structure;
And a formed secondary filter having a lattice-shaped slit structure:
On the inside of the filtration device,
A primary filter guide for guiding the movement of the primary filter and fixing the primary filter in an inclined state;
And a secondary filter guide guiding the movement of the secondary filter and fixing the secondary filter in an inclined state,
Wherein the door comprises a corrugated board,
Wherein the corrugated plate door is inserted into the filtration device along a corrugated plate door guide provided inside the filtration device to shield the outflow side of the filtration device,
Wherein the secondary filter comprises:
A lower end of the secondary filter is formed to extend in parallel with a lower end surface of the filtration device to form a space in which contaminants filtered by the primary filter and the secondary filter are accumulated, A bottom plate formed to have a narrower width than the corrugated plate door so that the contaminated material is drawn out to the outside;
And a protrusion formed to extend from the bottom plate at a predetermined length in a direction perpendicular to the bottom plate to prevent the contaminants deposited on the bottom plate from being separated from the bottom plate. .
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