KR20130070071A - A street tree box - Google Patents

Abstract

PURPOSE: A roadside tree planting box is provided to build an efficient water circulation environment by utilizing the planting spaces on the street, and to be able to treat non-point pollutants at the same time. CONSTITUTION: A main body(10) is open on the top, and formed with a planting and filtering space inside. A collecting chamber(20) has an overflow path(60) which connects the upper part of the planning and filtering space and a collecting space, and a drain gutter(70) which drains the inflow water of the collecting space. A plant vegetation layer(30) is laminated in the planting and filtering space. An upper medium layer(41) and a lower medium layers(42) are respectively laminated on the upper and lower parts of the planting and filtering space. A soil layer(50) is laminated between the upper and lower medium layers. The upper medium layer consists of wood chips. The main body is composed of plural unit modules which are divided along the longitudinal direction, and is able to be separated and combined. The main body has an underground water permeable path(90) which is connected to the underground on the lower part.

Description

Tree-tree planting box {A street tree box}

The present invention utilizes the tree space of the road to establish a water circulation environment, and to efficiently treat non-point pollutants, to provide sufficient moisture to planted trees, and to provide a selective treatment of rainfall runoff. It is about a food box.

Roads are generally planted on roads. Street trees provide pleasant feelings and psychological stability for pedestrians, drivers and others, absorbing solar heat, blocking or reducing snow, rain, and fog, and alleviating the effects of wind to reduce microclimate control effects. And the branches and leaves of the water pipe has a function of adsorbing dust and dust, and absorbs harmful gases to purify the air.

These street trees have beautiful linear beauty as sculptures, used for water walls and backgrounds, have decorative effects, soften the heavy feeling of urban buildings, and create living spaces in other areas around them. It protects the privacy by separating from the space, and efficiently divides and uses the space. As an engineering effect, it prevents erosion due to soil stabilization, blocks noise, provides sound insulation effect, and has a function as a fire zone.

In the conventional tree planting technique, the above-mentioned functions and effects are merely expected. Recently, various treatment facilities for non-point pollutants, such as rainfall runoff, have been developed in addition to point pollutants such as domestic waste, industrial waste, and industrial waste water. Most non-point pollutant treatment facilities are classified into natural type and device type, and natural type includes infiltration filtration type, ecological packing filter type, vegetation biofilter type, curb filter type and rain garden type. Vortex type, hydraulic filter type and tribox filter type facilities are available.

In the case of the tribox filter type non-point pollutant treatment facility, the non-point pollutant can be treated while having a vegetation space where roadside trees are planted or flower beds are formed. Such a tree box filter type non-point pollutant treatment facility is provided with a box body provided with an inlet such as rainfall runoff at the top of one side, and forming a roadside tree or a flower bed, and a media layer filled in the inner bottom of the box body, and the media layer. It includes a vegetation soil layer filled in the upper portion of the box body, and a drain pipe for draining the treated water filtered by the filter medium layer in the ground or rainwater pipe or the sump tank.

In addition, the inlet provided at the upper end of the box body is disposed toward the road so that rainfall runoff flowing along the road can be introduced when the tree box filter type non-point pollutant treatment facility is installed on the road side.

However, in the conventional tribox-type non-point pollutant treatment facility, rainfall runoff flowed into the box body through the inlet from the road side is filtered downward while passing downward through the vegetation soil layer and the media layer, and the ground or rainwater pipe through the drain pipe provided at the bottom of the box body. It is drained to a furnace or a sump, and rainfall runoff water containing a large amount of nonpoint pollutants, as well as rainfall runoff water containing a small amount of nonpoint pollutants after the initial rainfall, are filtered through vegetation soil and media layers, and then drained. There is a problem that the efficient treatment according to the inflow amount of rainfall runoff is not made because it is drained through.

In particular, since the initial rainfall runoff water containing a large amount of nonpoint pollutants as well as the rainfall runoff water containing a small amount of nonpoint pollutants after the initial rainfall pass through the filter bed, there is a problem that the filtration load of the filter bed layer is increased.

In addition, the conventional tribox-type non-point pollutant treatment facility is the drainage runoff flows down the vegetation soil layer and the median layer and then drains through the drain pipe provided at the bottom. Therefore, there is a problem that the vegetation environment of the tree is poor because it does not secure enough moisture for the growth of trees such as roadside trees.

Accordingly, the present invention has been made to solve the above problems, by providing a tree planting box that can efficiently build a water circulation environment and implement the treatment of non-point pollutants by utilizing the tree space of the road. There is a purpose.

The tree planting box according to the present invention is the upper portion is open to achieve the above object and the body and the planting and filtering space is formed therein; In the planting and filtering space is installed at a relatively lower position than the upper end of the main body, the catchment space for collecting the inflow water therein and the upper flow passage and the collecting space of the upper portion of the planting and filtering space and the collecting space A collecting chamber provided with a drain passage for draining the inflow water; And a tree vegetation layer laminated on the planting material and the filtration space.

As one example, the tree vegetation layer is an upper layer and a lower layer filter layer respectively stacked on the upper and lower portions of the planting and filtering space; And it characterized in that it comprises a soil layer laminated between the upper and lower media layers.

At this time, the upper layer is preferably composed of wood chips (wood chip) to increase the removal efficiency of particulate and dissolved contaminants.

As one example, the main body is composed of a plurality of unit modules divided along the longitudinal direction can be separated and combined with each other, the unit module is formed with a coupling jaw is formed along one side in contact with each other and the other side Characterized in that the coupling groove corresponding to the coupling jaw is formed.

In addition, the unit module is characterized in that one or more wings coupled to the outer surface.

As one example, the drain passage is configured to prevent the rainwater flows back to prevent the non-point pollutant material contained in the rainwater to be introduced into the collection chamber and the body.

As an example, the water collecting chamber may further include at least one water passage through which the water collecting space and the planting and filtering space of the body communicate with each other.

The collection chamber may further include a filter material filled in the overflow passage or the permeation passage.

As an example, the main body is characterized in that the underground pitcher passage is in communication with the ground.

As described above, the tree planting box according to the present invention can implement the water circulation environment and treatment of non-point pollutants at the same time by utilizing the tree space of the road.

Rainfall runoff introduced into the planting and filtration space of the body is subjected to a top-down filtration process and a bottom-up filtration process, thereby improving the removal efficiency of non-point pollutants.

It also has a catchment chamber that is higher than the bottom of the tree planting box and lower than the top of the tree planting box, and the overflow passage lower than the top of the catchment chamber and higher than the bottom of the catch chamber, and includes a large amount of non-point pollutants. The effluent is filtered to allow ground penetration, and rainfall runoff that contains a small amount of non-point pollutants after a certain period of time after initial rainfall is not filtered but is drained to rainwater pipes or sump wells to effectively treat nonpoint pollutants. It is effective to build a water circulation environment.

In addition, a water permeation passage is provided in the lower part of the collection chamber to store a certain amount of rainfall runoff after the end of the rainfall, so that the rainfall runoff gradually penetrates into the tree vegetation to secure enough water for the growth of vegetation trees. It has the effect of being able to grow.

In addition, the bottom of the main body is provided with a plurality of underground permeate passages so that the rainfall runoff remaining in the main body is permeated into the ground, there is an effect that does not interfere with the growth of the planting tree due to excessive moisture.

1 is a longitudinal sectional view showing a tree planting box according to the present invention.
2 is a sectional view taken along the line AA in Fig.
3 is a sectional view taken along line BB of Fig.
Figure 4 is a longitudinal sectional view showing a preferred embodiment of the body which is one configuration of the tree planting box according to the present invention.
5 is a plan view showing a preferred embodiment of the tree space composition structure to which the tree planting box according to the present invention is applied.
6 is a sectional view taken along the line DD of FIG. 5.
7 is a cross-sectional view taken along line EE of FIG. 5.
8 is a cross-sectional view taken along line FF of FIG. 5.

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

1 is a longitudinal sectional view showing a tree planting box according to the present invention, Figure 2 is a cross-sectional view taken along the line AA of Figure 1, Figure 3 is a cross-sectional view taken along the line BB of FIG. Figure 4 is a longitudinal cross-sectional view showing a preferred embodiment of the main body which is one configuration of the tree planting box according to the present invention, Figure 5 is a plan view showing a preferred embodiment of the tree space composition structure to which the tree planting box according to the present invention is applied. to be. 6 is a sectional view taken along the line DD of FIG. 5, FIG. 7 is a sectional view taken along the line EE of FIG. 5, and FIG. 8 is a sectional view taken along the line FF of FIG. 5.

As shown in FIGS. 1 to 3, the tree planting box according to the present invention includes a main body 10 embedded in the ground and a water collecting unit for collecting and draining inflow water including rainfall outflow water provided in the main body 10. It is configured to include a tree vegetation layer 30 for planting the vegetation (P) including the trees and trees stacked in the chamber 20 and the main body 10.

The main body 10 is configured to accommodate the tree vegetation layer 30, and a planting material and a filtration space S1 are formed therein, and an upper portion thereof is opened so that an inflow water including rainfall runoff is introduced.

As an example, the main body 10 may be configured in a rectangular parallelepiped shape as shown in FIG. 1, and in this case, the main body 10 includes front and rear walls 12 and 13 that form an outer wall with the base plate 11. ) And left and right walls 14 and 15.

Here, in the shape of the main body 10, it is not limited to the rectangular parallelepiped shape shown in FIG.

In embedding the main body 10 in the ground, the main body 10 is formed by digging and then installing a rubble compaction layer 16 on the bottom thereof, and placing the main body 10 on the upper part and then backfilling the main body 10. It is desirable to be embedded in the ground so that the main body 10 is firmly fixed and not settled from the ground.

In addition, the top height of the main body 10 is lower than or equal to the road surface of the sidewalk (R1) and the roadway (R2) so that the rainfall runoff flowing along the sidewalk (R1) and the roadway (R2), that is, the top of the body (10) The upper and rear walls 12 and 13 and the left and right walls 14 and 15 of the main body 10 are overflowed so as to flow into the planting and filtering space S1.

As such, the main body 10 may allow the rainfall runoff to naturally flow in by the position thereof, but is not limited thereto. However, the main body 10 may be connected to a separate inlet pipe through which the rainfall runoff flows. .

The main body 10 may be made of various materials such as steel, plastic, but preferably made of high strength glass fiber reinforced plastic (FRP) material. Glass fiber reinforced plastic (FRP) is a material that combines aromatic nylon fibers such as glass fibers, carbon fibers, and Kevlar with thermosetting resins such as unsaturated polyester and epoxy resins. There is an advantage. Accordingly, the main body 10 can be easily manufactured and the deformation of its appearance from earth pressure is minimized even when it is buried in the ground.

As shown in FIG. 4, the main body 10 according to an exemplary embodiment of the present invention may be configured of a plurality of unit modules 100 and 100-1 divided along the longitudinal direction thereof. This is to selectively configure the depth of the planting and filtration space (S1) of the main body 10 in consideration of the size of the vegetation (P) including the construction environment to the trees.

In detail, the main body 10 may have a depth of the planting material and the filtration space S1 determined by separating and coupling the plurality of unit modules 100 and 100-1 to each other, and the unit module 100 may be adjacent to each other. Coupling jaw 110 is formed along one side contacting each other for separation and coupling with the other unit module 100-1, and the coupling groove 120 corresponding to the coupling jaw 110 is formed on the other side. Is formed is to be combined through mutual fit bonds and the like.

In addition, the unit module 100 is a plurality of units by a coupling means including a coupling bolt 132 so that the flange 130 is formed integrally formed with the coupling hole 131, respectively, along the circumference of one side and the other side Preferably, the modules 100 and 100-1 are securely fixed.

As such, the main body 10 is divided into a plurality of unit modules 100 and 100-1 so that the total depth of the main body 10 can be adjusted according to the number of the unit modules 100 and 100-1 combined. By being configured, it is possible to selectively construct a tree planting box according to the construction environment to the size of the vegetation (P).

Each of the unit modules 100 and 100-1 of the main body 10 has at least one wing 140 coupled to its outer surface. The wing 140 may be configured to extend the flange 130 described above, the main body 10 is buried in the ground by enlarging the surface area in contact with the soil in the ground by being buried by the load Will be prevented.

On the other hand, the collection chamber 20 is a component mounted on the planting material and filtration space (S1) of the main body 10 may be manufactured separately and combined with the main body 10, but is integrally configured with the main body 10 It is desirable to.

The collection chamber 20 is provided with a collecting space S2 for collecting inflow water including rainfall outflow therein, and may be manufactured in various shapes like the main body 10 described above, and formed in a rectangular parallelepiped as shown in the example. If so, the water collecting space S2 may be formed by the bottom plate body 21, the front and rear walls 22 and 23, and the left and right walls 24 and 25.

In addition, the collection chamber 20 is composed of a bottom plate 21 and one left wall 24 so that the collecting space S2 is the bottom plate 21 and one left wall 24, and the It may be formed by any one of the wall 15 and the front and rear walls 12 and 13 of the left and right walls 14 and 15 of the main body 10.

The collecting chamber 20 is installed at a position relatively lower than the upper end of the main body 10 in the planting and filtering space (S1) of the main body 10. That is, the bottom plate body 21 of the collecting chamber 20 is installed at a position higher than the bottom plate body 11 of the main body 10 and lower than the upper end of the front and rear walls 12 and 13 and the left and right walls 14 and 15. The front and rear walls 22 and 23 and the left and right walls 24 and 25 have upper ends lower than upper ends of the front and rear walls 12 and 13 and the left and right walls 14 and 15 of the main body 10. .

The upper portion of the sump chamber 20 is also opened to allow the inflow water including rainfall runoff to flow in. The opening is preferably covered by a grating 26. The grating 26 is intended to prevent the floating material having a predetermined size or more contained in the rainfall runoff to be introduced into the collecting space S2.

In addition, the water collection chamber 20 may include the overflow passage 60 and the drain passage 70, and the overflow passage 60 is not shown in the drawings, but the wall 22 of the collection chamber 20 is formed. , 23, 24, 25 may be composed of the overflow hole perforated in any one of the wall through the wall of the collection chamber (20).

At the inlet side of the overflow passage 60, it is preferable that the filter medium 61 is filled in order to prevent non-point pollutants such as suspended substances collected in the tree vegetation layer 30 from entering the collecting space S2. Do.

The filter medium 61 is not limited to the material and non-point pollutants, including suspended solids and the like while passing through the water particles may be used any filter medium that can be filtered, preferably using a mesh, more preferably Is semi-permanent and can be recycled and made of stainless steel to resist corrosion by water.

The drain passage 70 is connected to the lower end of the collection chamber 20 and may be connected to a manhole or collection well 3 installed between the sidewalk R1 and the driveway R2. The drainage passage 70 is the collection chamber 20 and the manhole or the sump (3) according to the conditions of the installation place of the tree structure structure for the construction of the water circulation environment according to the present invention as shown in FIG. It can be installed linearly or by-pass between them.

Here, although not shown in the drawing, the drain passage 70 may be configured to reverse the flow of water to flow in only one direction. This prevents rainwater from flowing back from the manhole or sump 3 during the rainy season during the rainy season as the drain passage 70 is connected to the manhole or the sump 3 so that the nonpoint pollutant substances included in the rainwater may be collected. It is to prevent the inflow into the chamber 20 and the main body 10.

As described above, the present invention is provided with the above-mentioned collecting chamber 20 and the overflow passage 60 lower than the upper end of the collecting chamber 20 and higher than the lower end of the collecting chamber 20. The initial rainfall runoff is filtered to allow it to penetrate the ground. Rainfall runoff, which contains a small amount of nonpoint pollutants after a certain period of time after initial rainfall, is not filtered and is drained to rainwater pipes or sump tanks to effectively remove the nonpoint pollutants. It is possible to establish an optimal water circulation environment such as treatment.

On the other hand, the tree vegetation layer 30 is laminated in the planting and filtering space (S1), as shown in Figures 1 to 3, the upper media layer 41 and the lower media layer 42 and the soil layer 50 It may be configured to include).

The lower layer filter layer 41 is used for downward filtration and upward filtration, and the lower layer filter layer 41 may use sand and / or gravel.

The soil layer 50 may use a mixed soil or nutrient soil for the local soil or vegetation.

The upper media layer 42 may be composed of gravel, but because the specific surface area has a large porosity, in order to increase the removal efficiency of particulate and dissolved contaminants in adsorption and filtration of fine soils or heavy metals, wood chip).

Hereinafter, the operation of the tree planting box according to the present invention configured as described above.

The tree planting box according to the present invention is installed on the vegetation zone between the sidewalk R1 and the roadway R2, and is installed on the sidewalk R2, which is a typical roadside installation area.

In the installation of the main body 10, the rainwater runoff flowing on the sidewalk (R1) or the roadway (R2) at the time of rainfall is installed so as to be introduced into the planting and filtering space (S1) of the main body 10 and the drainage The passage 70 is installed to be connected to the manhole or the sump 3.

At this time, if necessary, it is also possible to connect the rainfall outflow water inlet pipe to the main body 10 separately.

The vegetation (P) to be planted in the main body 10 is laminated to the lower layer filter layer 42 and the soil layer 50 in the planting and filtering space (S1) of the main body 10, the upper layer filter layer 41 It is planted in the soil layer 50 before laminating, and then the upper layer filtering layer 41 is laminated on the soil layer 40.

In addition, the manhole or the sump (3) can be installed in advance before using the existing installation or planting the tree planting box according to the invention.

Rainfall runoff water generated during the rain in the installation is completed, the overflow of the front and rear walls 12, 13 and the left and right walls 14, 15 of the tree planting box body 10 to the planting and filtering space (S1) Inflow.

Rainfall effluent flowing into the planting and filtration space (S1) is filtered downward while passing through the upper filter layer (41), and the rainfall effluent passing through the upper filter layer (41) is the soil layer (50) It is filtered downward while passing downward, and is filtered downward downward while passing downwardly through the lower media layer 42.

Rainfall outflow water filtered downward through the lower media layer 42 is filled from the bottom of the planting and filtration space (S1).

Rainfall runoff from the bottom of the planting and filtration space (S1) is again filtered through the bottom filter layer 42 and the soil layer 50 and the upper filter layer 41 upward again.

As such, the rainfall runoff flowing into the planting material and the filtration space S1 of the main body 10 is filtered downward while passing downwardly through the upper filter layer 41, the soil layer 50, and the lower filter media layer 42. It is filtered from the bottom of the planting material and the filtration space (S1) of the main body 10 is filtered upward to remove the non-point pollutants contained in the rainfall effluent sufficiently.

Here, when the water level of rainfall runoff rising from the lower end of the planting and filtration space (S1) of the main body 10 reaches the upper media layer 41 and the overflow passage 60, the rainfall runoff flows through the overflow passage 60 The water flows through and flows into the water collecting space S2 of the water collecting chamber 20 to be collected.

At this time, since the filter medium 61 is provided at the inlet side of the overflow passage 60, the non-point contaminant such as the suspended solids collected in the upper filter layer 41 is introduced into the collecting space S2. After filtration once more by the flow into the collecting space (S2) of the collecting chamber (20). Therefore, the non-point pollutant is sufficiently removed in the rainfall effluent collected in the collecting space S2 of the collecting chamber 20.

Rainfall runoff is rapidly increased due to continuous rainfall or heavy rain, and the level of rainfall runoff flowed into the planting and filtration spaces S1 of the main body 10 is increased from the front and rear walls 22 and 23 of the collection chamber 20. When it is higher than the upper end of the left and right walls 24 and 25, the rainfall runoff flowing into the planting material and the filtration space S1 of the main body 10 is the front and rear walls 22 and 23 and the left and right walls ( 24 and 25 are overflowed to the collecting space S2 of the collecting chamber 20.

The collecting chamber 20 is composed of a bottom plate 21 and one left wall 24 so that the collecting space S2 is the bottom plate 21 and one left wall 24, and the main body 10. In the case of any one of the left and right walls 14 and 15 of the wall 14 and the front and rear walls 12 and 13, the rainfall runoff that fills the planting and filtering spaces S1 of the main body 10 is the left wall. Overflow of the (24) flows into the collecting space (S2) of the collecting chamber (20).

In this case, the rainfall runoff flows directly into the collecting space S2 of the collecting chamber 20 without undergoing the downward filtration process and the upward filtration process as described above.

Rainfall outflow water introduced into the collection space (S2) of the collection chamber 20 is drained to the manhole or the sump (3) through the drainage passage (70).

On the other hand, according to an embodiment of the present invention, the collecting chamber 20 is lower, that is, the bottom plate body 21 of the collecting chamber 20, the collecting and filtering of the collecting space (S2) and the main body 10 One or more pitcher passages 80 communicating with the space S1 may be further included.

The water permeable passage 80 may be composed of a plurality of perforation holes perforated in the bottom plate body 21 of the collection chamber 20, or may be composed of a plurality of water permeable pipes penetrating the bottom plate body 21.

Rainfall outflow water introduced into the collection space (S2) of the collection chamber 20 is drained to the outside through most of the drain passage 70, but a part of the planting of the main body 10 again through the water passage passage (80) It is provided as water necessary for vegetation of the vegetation (P) planted by being pitched into both layers 50 stacked in the filtration space (S1), so that it is possible to secure enough moisture for the growth of the planted vegetation (P). (P) can grow actively.

At this time, the permeable passage 80 is preferably filled with the filter medium 61, like the above-described overflow passage 60, whereby the non-point pollutants contained in the rainfall runoff water collected in the collecting space (S2) once more It is filtered to be permeable into the filtration space (S1).

In addition, according to an embodiment of the present invention, the body 10 may further include a ground permeable passage 90 communicating with the ground at the bottom thereof, that is, the bottom plate body 11 of the body 10. The underground water passage 90 is to allow the rainwater discharged water remaining in the planting material and the filtration space (S1) of the main body 10 into the ground, an excessively large amount in the planting and filtration space (S1). Rainfall runoff is to prevent the long-term retention of the planted tree (P) due to excessive moisture.

The underground water passage 90 may be composed of a plurality of underground water holes perforated in the bottom plate body 11, or may be composed of underground water pipes penetrating the bottom plate body 11.

Thus, by using the above-described present invention, it is possible to simultaneously implement the water circulation environment and the treatment of non-point pollutants by utilizing the tree space.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of the invention.

10: main body 20: collection chamber
30: tree vegetation layer 41: upper layer filter layer
42: lower layer media layer 50: soil layer
60: overflow passage 70: drain passage
80: pitcher passage 90: underground pitch passage
100: unit module 110: coupling jaw

Claims (11)

A main body having an upper portion open and having a planting and filtering space therein;
It is installed at a position lower than the upper end of the main body in the planting and filtration space, the catchment space for collecting the inflow water therein and the upper flow passage and the collecting space communicating the upper portion of the planting and filtration space and the collecting space A collecting chamber provided with a drain passage for draining the inflow water; And
The tree planting box, characterized in that it comprises a tree vegetation layer is laminated to the planting and filtering space.
The method of claim 1, wherein the tree vegetation layer
Upper and lower media layers stacked on the top and bottom of the planting and filtration space, respectively; And
A tree planting box, characterized in that it comprises a soil layer laminated between the upper and lower media layers.
The method of claim 2, wherein the upper media layer
A tree planting box, characterized in that consisting of wood chips.
The method of claim 1, wherein the body is
A tree planting box, characterized in that composed of a plurality of unit modules divided along the longitudinal direction are separated and combined.
The method of claim 4, wherein the unit module
Coupling jaw is formed along one side in contact with each other and the side trees planting box characterized in that the coupling groove corresponding to the coupling jaw is formed on the other side.
The method of claim 4, wherein the unit module
A tree planting box, characterized in that one or more wings are coupled along its outer surface.
The method of claim 1,
The tree planting box, characterized in that the drainage path is configured in the drainage passage.
The method of claim 1, wherein the catch chamber
The tree planting box further comprises one or more water passages communicating the water collecting space and the planting and filtration space of the body in the lower portion.
The method of claim 8, wherein the collecting chamber
The tree planting box further comprises a filter medium filled in the overflow passage or the pitcher passage.
The method of claim 1, wherein the body is
A tree planting box, characterized in that the underground pitcher passage communicating with the ground is formed at the bottom.
A tree space composition structure of a road using the tree planting box according to any one of claims 1 to 10.

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