JP4572047B2 - Drainage gutter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drain gutter for guiding domestic wastewater, rainwater, etc. (hereinafter referred to as “drainage”).
[0002]
[Prior art]
In recent years, it has become common for drainage gutters to be formed of a concrete structure, and since the growth of microorganisms, aquatic plants, and the like is hindered in the drainage gutters, the ability of natural purification in the drainage channel is reduced. It has been done. Therefore, since the quality of the waste water flowing through the drain side gutter is deteriorated, there is a concern that it adversely affects the surrounding environment.
[0003]
In order to cope with such a problem, conventionally, a U-shaped drainage channel 81 is vertically divided by a water-permeable wall 83, and the drainage channel is permeable in the direction of water flow in the drainage channel 81b on the bottom surface side. In addition to providing the partition wall 85, a number of compartments 86 are provided in the drainage channel 81 b on the bottom surface side, and a drainage side groove (hereinafter referred to as “first drainage side groove 80”) filled with a purification material in the room 86. (See FIG. 8). This first drainage side groove 80 is configured to be able to purify drainage and the like flowing into the large number of divided rooms 86 with a purifying material (see published utility 1991-180578). ).
[0004]
However, in the first drainage side groove 80, deposits are deposited on the water-permeable walls 83 and the purification material, so that water permeability may be hindered or purification performance may be hindered. A drainage side groove (hereinafter referred to as “second drainage side groove 90”) improved from the one drainage side groove 80 has been proposed (see FIG. 9).
That is, the second drainage side groove 90 is a water flow of drainage flowing through the drainage channel 81 on the water permeable wall 83 or at least on the purification material in the first drainage side groove 80. A purifier having a large number of waterwheel-like rotating bodies 92 arranged in a rotatable direction is provided (see Japanese Patent Laid-Open No. 10-227057).
The second drainage side groove 90 rotates the rotating body 92 so that the deposits are swollen into the water and flow along with the water flow, and the deposits are placed on the permeable wall 83 and the purification material. Is prevented from depositing.
[0005]
[Problems to be solved by the invention]
However, in the second drainage side groove 90, the drainage channel partition 85 is provided in the drainage channel 81b on the bottom surface side, so that the flow rate of drainage becomes slower compared to the upper drainage channel 81a, Accordingly, the problem that filth and the like are accumulated on the upper surface of the upper drainage channel 81a cannot be solved.
Further, since the purification material is inserted in the room 86 formed between the water-permeable wall 83 and the drainage partition wall 85, the problem that the replacement work becomes very complicated is still not solved. It will be.
[0006]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a drain ditch that can smoothly process a large amount of drainage and that can be easily replaced with a purification material. .
[0007]
[Means for Solving the Problems]
  In order to solve the above-described problem, the drainage side groove of the present invention is provided at a predetermined interval from the bottom, a water purification unit including a purification material, and a water passage formed above and below the water purification unit, The water conveyance area is divided intoThe water conveyance area is further divided into left and right areas in front view, and either one of the left and right areas is formed as a spare water passage.It is characterized by being.
  Here, the front view shows a case of viewing from a direction orthogonal to the flow direction of drainage.
[0008]
Here, the purification material is sandwiched by a water-permeable member (such as a water-permeable plate) or surrounded by a water-permeable member (such as a net-like member) (or a composite structure of the two). Is preferable because of its structure.
In this case, it is preferable that the water-permeable member is divided into a predetermined size when performing installation work or replacement work.
Moreover, if the lifting support part is attached to the upper surface of the water-permeable member, the replacement work can be easily performed by gripping the lifting support part.
[0009]
Furthermore, the purification material is a material that can remove various pollutants by chemical reaction, biological reaction, adsorption reaction, etc. by contact with wastewater, such as gravel, iron powder, zeolite. Various materials such as charcoal can be used as necessary.
[0010]
  According to this invention, it can purify | clean with a purification | cleaning material by forming the water purification part provided with the purification | cleaning material, and allowing waste water to pass through the said water purification part. In addition, since the lower water passage is formed in the lower part of the water purification unit, the waste water purified by the purification material can be smoothly introduced in the lower water passage.
  In addition, because it has a spare water channel, drainage can flow through the spare water channel without resistance when drainage increases due to heavy rain, etc., making it possible to conduct water smoothly and in large quantities. Waste water can be treated. Moreover, even when earth and sand, gravel, or the like is mixed in the drainage, it is possible to pass through a spare water passage, and it is possible to prevent the drainage from clogging and the like so that it does not flow smoothly.
[0011]
  Further, the drainage side groove of the present invention is divided into a water guide region, which is provided at a predetermined interval from a bottom portion, and includes a water purification unit including a purification material and a water passage formed above and below the water purification unit. And the elongate member is extended in the said lower water flow path, It is characterized by the above-mentioned.
Here, it is preferable that the elongated member has a string shape and has an appropriate deformation performance, and a carbon fiber (carbon fiber) or the like can be used. Further, a plurality of the elongated members are preferably provided at a predetermined interval, but the number, interval, and the like can be determined as appropriate.
[0012]
  According to the present invention, since the elongated member is extended in the lower water passage, the organic matter in the drainage can be attached to the elongated member, and the waste water is effectively purified also in the lower water passage. It becomes possible.
[0013]
  Moreover, as for the said side groove for drainage, the said water purification part may be provided in the longitudinal direction at predetermined intervals.
[0014]
  According to the present invention, since the water purification unit is disposed at a desired interval in the longitudinal direction, drainage can flow without resistance between adjacent water purification units when the drainage of the drainage due to heavy rain or the like is increased. Therefore, it becomes possible to conduct water smoothly, and a large amount of waste water can be treated. In addition, even when earth and sand, gravel, etc. are mixed in the drainage, it becomes possible to pass between adjacent water purification units, etc., and it is possible to prevent the drainage from clogging and preventing it from flowing smoothly. it can.
[0015]
The drain side gutter may include an aeration facility communicating with the lower water passage.
The aeration facility may be provided at a predetermined interval, and the number, interval, and the like can be determined as appropriate.
[0016]
According to the present invention, since the aeration facility is provided, oxygen can be supplied to the lower water passage, and purification of waste water by the purification material can be effectively promoted.
[0017]
Further, the drainage side groove of the present invention includes a water permeable bottom plate disposed at a predetermined interval from the bottom portion, and a water permeable upper plate disposed at a predetermined interval above the bottom plate. The water purification area and the water passages formed above and below the water purification section are partitioned into a water conveyance area, and the water purification section is made of a plurality of porous concrete in a direction facing the flow direction of drainage. The baffle plate is arranged.
Here, in the space between the baffle plates, another water purification material (particularly, a lightweight carbon fiber or the like is preferable) may be provided in a state in which water can pass therethrough.
[0018]
According to the present invention, in the water purification unit, a plurality of baffle plates are arranged in a direction facing the flow direction of the waste water, the flow rate of the waste water is reduced by the baffle plates, and the drainage is performed along the surface of the baffle plate. Is configured to flow. Since this baffle plate is made of porous concrete and has a large and small space part, microorganisms and other organisms can grow in the space part, and it is possible to form an ecosystem close to nature Therefore, the waste water can be purified biologically well. In addition, without forming the water purification part entirely with porous concrete, because the baffle plates made of a plurality of porous concrete are arranged with a gap, its weight can be reduced, even at the time of replacement, This operation can be easily performed.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
In the description of each embodiment, the same constituent elements are denoted by the same reference numerals, and redundant descriptions are omitted.
[0020]
[First Embodiment]
As shown in FIGS. 1 and 3, the side groove 10 for drainage of the present invention (first embodiment) closes the outer peripheral portion 12 having a substantially concave cross section formed of concrete and the upper surface of the outer peripheral portion 12. And a lid 18 for carrying out the operation.
The lid portion 18 can be formed by grating or a concrete plate or the like, but when using a concrete plate, it is desirable to provide an opening at an appropriate position for maintenance or the like.
[0021]
A rectangular water guide region 11 is formed inside the outer peripheral portion 12, and the side wall surface 12 a on both sides of the outer peripheral portion 12 has a predetermined height from the bottom surface portion 12 b (a height of about 1/10 of the water guide region 11). ) Is provided with a placing step portion 12c for placing the bottom plate 13 thereon.
The placement step 12c is porous concrete having water permeability (preferably made of bioporous concrete (porous concrete having continuous fine pores so that organisms can grow), and so on). An elongated rectangular bottom plate 13 formed with a width dimension and a predetermined length of the water guide region 11 is placed. The bottom plate 13 is provided with a steel screen 15 filled with gravel (not shown) as a purification material, and a region formed by the bottom plate 13 and the steel screen 15 is a water purification part 11c. ing. The bottom plate 13 and the iron fence 15 are divided into predetermined dimensions so that installation work and replacement work can be easily performed.
In addition, since the reinforcing bar 15 is provided to fill the inside with gravel in a state where water can be passed, it is made into a bowl shape using other materials (for example, made of chemically synthesized resin [made of polypropylene, etc.]). You may use what was formed.
[0022]
By the steel fence 15 and the bottom plate 13, the water conveyance area 11 is divided into an upper water passage 11a in the upper part of the steel fence 15 and a lower water passage 11b in the lower part of the bottom plate 13, and the upper water passage 11a In the lower water passage 11b, there is no obstacle that erodes the cross section of the water passage, so that good water permeability is maintained.
The iron fence 15 is provided so that the upper surface thereof is at a predetermined height from the bottom surface portion 12b (about half the height of the water guide region 11).
[0023]
In addition, a bundle of a plurality of carbon fibers 16 (elongated members) extends from the lower surface of the bottom plate 13 into the lower water passage 11b at a predetermined interval (see FIG. 1B). The bundle of carbon fibers 16 is bundled at the upper end, and a spherical locking portion 16a is formed at the tip. The bottom plate 13 is provided with a through-hole 13a having a smaller diameter than the diameter of the locking portion 16a. The through-hole 13a is positioned so that the locking portion 16a is located above the through-hole 13a. It is arranged by inserting a bundle of carbon fibers 16.
[0024]
The carbon fiber 16 may be provided separately from the bottom plate 13. In this case, as shown in FIG. 2, the frame member 17 to which the carbon fiber 16 ′ is locked can be easily installed by installing the frame member 17 below the bottom plate 13 ′. The frame member 17 is provided with cross members 17a in the width direction at predetermined intervals, and the end of the carbon fiber 16 'is secured to the cross member 17a. It can be manufactured.
[0025]
Moreover, the aeration part 71 is provided in the predetermined position of the lower water flow path 11b by the desired space | interval in the lower part. The aeration part 71 is provided continuously to the lower part of the lower water passage 11b. The aeration part 71 is connected to an intake pipe 74 having an air intake port 74a at the tip part (aeration pump 72). Oxygen can be supplied by the equipment) (see FIG. 3B).
In addition, if the ventilation pump 72 can be driven by the photovoltaic power generation equipment 73, it is preferable in terms of energy efficiency.
[0026]
Subsequently, the operation of the drain side groove 10 will be described.
In the drain gutter 10, the drainage flows normally at a level that allows the inside of the reinforcing bar 15 to pass through. However, at that time, the drainage is introduced into the reinforcing bar 15 and between the gravel It flows downstream while passing through the gap. Since the gravel gap is narrow, particulate matter with a large particle size cannot be passed through the gap and is therefore removed. Moreover, since microorganisms and other living organisms live in the crevice gap, the wastewater is also biologically purified.
At this time, oxygen is supplied from the aeration unit 71 provided at a predetermined interval into the waste water through the intake pipe 74, the ventilation pump 72, and the through hole 12d provided at a predetermined interval in the bottom surface part 12b. Since the habitat of the microorganisms and the like is well maintained in the wastewater, purification is promoted.
[0027]
The purified drainage passes through the water-permeable bottom plate 13 and flows into the lower water passage 11b. However, the lower water passage 11b has an obstacle that impairs the water cross section. Because it is not, it will flow downstream at high speed.
Further, when the drainage flows down the lower water passage 11b, if the drainage contains organic matter, it is removed by adhering to the carbon fiber 16 floating in the water.
In addition, when the gravel is clogged and the purification capability is reduced, the iron fence 15 is taken out from the inside of the drain side gutter 10, cleaned of the internal gravel, and then installed again, so that Can respond.
[0028]
Furthermore, when a large amount of drainage flows into the water guide region 11 due to heavy rain or the like, water can be guided using the upper water passage 11a, so that a large amount of drainage can be treated.
It should be noted that a small amount of filth, sand, or the like that has settled on the bottom surface portion 12b can be allowed to flow at the time of water increase, and can be cleaned by taking out the bottom plate 13 and the iron fence 15.
[0029]
As described above, according to the present invention, the inside of the steel fence 15 is filled with gravel and placed on the bottom plate 13, so that the drainage is guided to the reinforcing bar 15 and allowed to pass through the inside of the gravel. Can be purified. At this time, by arranging the reinforcing bar 15 and the bottom plate 13 at a predetermined interval from the bottom surface portion 12b of the drain side groove 10, the water guide region 11 is divided into upper and lower regions and formed as a lower water passage 11b. Therefore, the drainage purified by the gravel can be permeated through the bottom plate 13 and can be smoothly guided in the lower water passage 11b.
[0030]
Further, according to the drainage side groove 10, since the bundle of carbon fibers 16 is extended from the bottom plate 13 to the inside of the lower water passage 11b, organic matter in the wastewater can be adhered to the carbon fibers 16, Also in the lower water passage 11b, the waste water can be effectively purified.
[0031]
[Second Embodiment]
As shown in FIG. 4, the drainage side groove 20 (second embodiment) of the present invention is different from the drainage side groove 10 of the first embodiment in the cross-sectional shape of the water guiding region 21.
In other words, the water conveyance area 21 is a hexagonal cross-section combining two different cross sections in which the upper side 21A is a rectangular cross section and the lower side 21B is an isosceles trapezoidal cross section (hereinafter referred to as “lower trapezoid cross section”). It has a shape. Further, the water-permeable bottom plate 23 is formed in an isosceles trapezoidal cross-sectional shape with a long side (formed in the width dimension of the upper water passage 21a) as an upper part so as to be in close contact with both wall surfaces of the lower trapezoidal cross section. A lower water passage 21b is formed in the lower part of the bottom plate 23 (reference numeral 21c indicates a water purification unit). For this reason, there is a structure in which the placing step portions for placing the bottom plate 23 do not exist on the wall surface portions on both sides.
[0032]
The drainage side groove 20 of the present embodiment has the same effect as the drainage side groove 10 of the first embodiment, and there is no mounting step for mounting the bottom plate 23. The structure can be simplified.
[0033]
[Third Embodiment]
As shown in FIG. 5, the drainage side groove 30 (third embodiment) of the present invention includes an outer peripheral portion 32 having a substantially concave cross section and a lid portion 38 for closing the upper surface of the outer peripheral portion 32. ing.
A rectangular water guide region 31 is formed inside the outer peripheral portion 32, and the side wall surfaces 32 a on both sides of the outer peripheral portion 32 have a predetermined height position (about 1/10 of the height of the water guide region 31) from the bottom surface portion 32 b. The mounting step portion 32c for mounting the bottom plate 33B is formed.
[0034]
An elongated rectangular bottom plate 33B made of porous concrete having water permeability and formed in the width dimension of the water conveyance region 31 is placed on the placement step 32c, and an upper portion of the bottom plate 33B is placed on the bottom plate 33B. An iron fence 35 filled with gravel as a purification material is placed. An upper plate 33A having the same shape as the bottom plate 33B is placed on the upper part of the reinforcing bar 35, and a region formed by the steel screen 35, the upper plate 33A, and the bottom plate 33B is a water purification unit 31c. ing.
The upper plate 33A and the bottom plate 33B divide the water conveyance region 31 into an upper water passage 31a in the upper portion of the upper plate 33A and a lower water passage 31b in the lower portion of the bottom plate 33B. In the lower water passage 31b, there is no obstacle that violates the cross section of the water passage, so that good water permeability is maintained.
[0035]
Further, the upper plate 33A, the bottom plate 33B, and the iron screen rod 35 are formed by being divided into predetermined dimensions, and in addition, they are disposed at predetermined intervals in the water guiding direction (longitudinal direction), so that they are adjacent to each other. It is possible to allow water to pass between the steel fences 35 (hereinafter, the divided water purification unit is referred to as “divided water purification unit 31c ′”).
Further, a grip handle 39 (a lifting support portion) is attached to a predetermined position on the upper surface of the upper plate 33A.
[0036]
According to the drain side groove 30, the waste water that has passed through the upper plate 33A having water permeability is purified by the same action as the drain side groove 10 in the first embodiment.
Moreover, since the division | segmentation purified water part 31c 'is formed by arrange | positioning the water purification part 31 in the longitudinal direction at desired intervals, the said division | segmentation water purification part 31c' is at the time of the increase in the waste_water | drain resulting from heavy rain etc. Since drainage can flow between the two without resistance, it is possible to further smoothly pass water and to treat a large amount of drainage. In addition, even when earth and sand, gravel, or the like is mixed in the drainage, it is possible to pass between the divided water purification units 31c ′ and the like to prevent the drainage from clogging and the like so that it does not flow smoothly. be able to.
[0037]
In addition, according to the drainage side groove 30, the grip handle 39 is attached to the upper surface of the upper plate 33A. Therefore, the grip handle 39 can be gripped, and the replacement work or the like can be easily performed. In addition, also about the iron-iron fence 35, a hook etc. can be latched to a net | network part, the exchange operation | work etc. can be performed and the gravel filled inside can be wash | cleaned.
[0038]
[Fourth Embodiment]
As shown in FIG. 6, the drainage side groove 40 (fourth embodiment) of the present invention includes an outer peripheral portion 42 having a substantially concave cross section and a lid portion 48 for closing the upper surface of the outer peripheral portion 42. ing.
A rectangular water guide region 41 is formed inside the outer peripheral portion 42, and a predetermined height (water guide region) is provided at a position (see FIG. 6) having a width of about 1/3 from the right wall surface 42 d of the outer peripheral portion 42. A vertical wall 43 having a height of about 3/4 of 41 is erected, and is divided into left and right water conveyance regions with the vertical wall 43 as a boundary (the sign of the left water conveyance region is 400, the right water conveyance region) The area code is 400 ′).
[0039]
Then, on the right side wall surface of the left side wall surface 42a and the vertical wall 43, a mounting for mounting the bottom plate 13 is placed at a predetermined height (about 1/10 the height of the water guide region 41) from the bottom surface portion 42b. The stepped portions 42c and 43c are formed, and the bottom plate 13 and the steel fence 15 are arranged in the left water conveyance region 400 with the same structure as the drainage side groove 10 of the first embodiment. The width dimension of the bottom plate 13 is formed to be the width dimension between the left wall surface 42 a and the vertical wall 43.
Further, the right water conveyance area 400 ′ is formed as a spare water flow path at the time of water increase or the like by making the entire cross section water-permeable without arranging the bottom plate and the iron screen fence.
[0040]
The drainage side groove 40 has a cross section so that the drainage flows normally only in the left water conveyance region 400 and overflows the vertical wall 43 and flows into the right water conveyance region 400 ′ only when the water increases. .
[0041]
According to the drainage side groove 40, the same effect as the drainage side groove 10 of the first embodiment is produced, and the right water conveyance region 400 ′ is formed as a spare water passage, resulting in flooding or the like. When the drainage is increased, the drainage can flow through the right water guiding region 400 ′ without resistance. Therefore, water can be smoothly passed, and a large amount of waste water can be treated.
[0042]
[Fifth Embodiment]
As shown in FIG. 7, the drainage side groove 50 of the present invention (fifth embodiment) includes an outer peripheral portion 52 having a substantially concave cross section and a lid portion 58 for closing the upper surface of the outer peripheral portion 52. ing.
A rectangular water guide region 51 is formed inside the outer peripheral portion 52. From the bottom surface portion 52b of the outer peripheral portion 52, in order to place the bottom plate 53B, four support bodies 61 are provided at positions that support the four corners per one bottom plate 53B. In addition, a purification body 63 in which the bottom plate 53B and the baffle plate 62 are integrally formed is placed. In addition, an upper plate 53 </ b> A formed in the width dimension of the water guide region 51 is placed on the baffle plate 62.
Thereby, the water purification part 51c is formed between the upper board 53A and the bottom board 53B in which the baffle board 62 is interposed.
[0043]
The upper plate 53A, the baffle plate 62, and the bottom plate 53B are porous concrete plates having water permeability. Further, the upper plate 53A and the bottom plate 53B have an elongated rectangular shape with the same dimensions, and are divided into predetermined dimensions.
Further, the baffle plate 62 is formed with a dimension slightly shorter than the short side of the bottom plate 53B, and is provided in a direction parallel to the short side of the bottom plate 53B and facing the drainage flow direction. The plurality of baffle plates 62 are alternately provided on the left and right sides so that the side surfaces thereof are flush with the left and right end surfaces of the bottom plate 53B, and a gap is formed on the end surface on the other end side of the bottom plate 53B. Yes. Therefore, a flowing water channel 64 is formed between the adjacent baffle plates 62 so that the drainage meanders and flows.
[0044]
Thus, due to the presence of the upper plate 53A and the bottom plate 53B, the water conveyance area 51 is divided into an upper water passage 51a in the upper portion of the upper plate 53A, a lower water passage 51b in the lower portion of the bottom plate 53B, and the upper plate 53A and the bottom plate. 53B, the upper water passage 51a and the lower water passage 51b are free of obstacles that may impinge the water cross section, so that good water permeability can be maintained. I'm leaning.
[0045]
The bottom plate 53B and the upper plate 53A are provided at positions of about 1/6 height and 1/2 height from the bottom surface portion 52b in the water guide region 51, respectively.
Further, the baffle plate 62 is provided to decelerate the flow of the drainage so as to form a flow in which the drainage gently flows downstream along the surface portion of the baffle plate 62. Various arrangements can be considered for the arrangement.
[0046]
According to the drain side groove 50, the baffle plate 62 made of porous concrete is arranged in the purification region 51c formed between the upper plate 53A and the bottom plate 53B. Since this porous concrete has a large and small space part, microorganisms and other organisms can grow in the space part, and it is possible to form an ecosystem close to nature. The wastewater that has passed through the plate 53A and entered the purification region 51c is biologically purified while flowing down along the surface of the baffle plate 62. Therefore, water purification can be performed satisfactorily by the above-described configuration (after passing through the bottom plate 53B, the same as the drainage side groove 10 of the first embodiment).
[0047]
In addition, since the plurality of baffle plates 62 made of porous concrete are appropriately arranged without forming the purification region 51c entirely from porous concrete, the weight can be reduced, and even at the time of replacement, etc. The work can be easily performed.
[0048]
In addition, when the purification capacity of the baffle plate 62 is reduced, the upper plate 53A and the purification body 63 are taken out from the inside of the drain side groove 50, cleaned, and then installed again, so that it can be easily handled. .
In addition, a small amount of filth, sand, or the like that has settled on the bottom surface portion 52b can be cleaned by removing the upper plate 53A and the purifying body 63 from the drain side groove 50.
[0049]
As mentioned above, although an example about a suitable embodiment was explained about the present invention, the present invention is not restricted to the embodiment concerned, and a design change is possible suitably in the range which does not deviate from the meaning of the present invention. In particular, the shape and size of the water conveyance region and the water passage, the type, shape and size of the purification material can be appropriately determined.
[0050]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, while being able to process a lot of waste_water | drain, it becomes possible to provide the side groove | channel for waste_water | drain which can replace the purification material easily.
[Brief description of the drawings]
FIG. 1 is a view showing a drain side groove (first embodiment) according to the present invention, in which (a) is a side sectional view and (b) is an enlarged view of a portion A;
FIG. 2 (a) is a front sectional view showing an enlarged main part showing a modification of the drain side groove (first embodiment) of the present invention, and FIG. 2 (b) is a perspective view of a frame member to be used.
3A is a sectional view taken along line BB in FIG. 1, and FIG. 3B is a sectional view taken along line CC in FIG.
FIG. 4 is a front sectional view showing a drain side groove (second embodiment) according to the present invention.
5A and 5B are views showing a drain side groove (third embodiment) according to the present invention, wherein FIG. 5A is a side sectional view, and FIG. 5B is a sectional view taken along line AA in FIG.
FIG. 6 is a front sectional view showing a drain side groove (fourth embodiment) according to the present invention.
FIG. 7 is a view showing a drain side groove (fifth embodiment) according to the present invention, where (a) is a plan view and (b) is a side sectional view.
FIG. 8 is a side sectional view showing a conventional drain side groove.
FIG. 9 is a side sectional view showing another conventional drain side groove.
[Explanation of symbols]
10, 20, 30, 40, 50 Drainage gutter
11, 21, 31, 41, 51 Water transfer area
11a, 21a, 31a, 41a, 51a Upper water passage
11b, 21b, 31b, 41b, 51b Lower water passage
11c, 21c, 31c, 41c, 51c
12, 22, 32, 42, 52
13,23 Bottom plate
15 Steel fence
16 Carbon fiber (elongated member)
31 'split water purification unit
33A, 53A Upper plate
33B, 53B Bottom plate
400 Water conveyance area on the left
400 'Right water conveyance area
43 vertical wall
62 Baffle Board
63 Purifier
64 Flowing waterway
71 Aeration section
72 Ventilation pump

Claims (5)

A water purification unit provided with a purification material provided at a predetermined interval from the bottom;
A water passage formed above and below the water purification unit;
Drainage gutters in which the water conveyance area is partitioned ,
The water conveyance area is further divided into left and right areas in a front view,
Wherein one of the left and right areas, waste water for groove you characterized in that it is formed as a water channel. A water purification unit provided with a purification material provided at a predetermined interval from the bottom;
A water passage formed above and below the water purification unit;
Drainage gutters in which the water conveyance area is partitioned ,
Waste water for groove you characterized in that elongate member to the lower through the water passage is extended. The drainage side groove according to claim 1 or 2 , wherein the water purification unit is provided at a desired interval in the longitudinal direction. The drainage gutter according to any one of claims 1 to 3 , further comprising an aeration facility communicating with the lower water passage. A water purification unit comprising a water permeable bottom plate disposed at a predetermined interval from the bottom, and a water permeable upper plate disposed at a predetermined interval above the bottom plate;
A water passage formed above and below the water purification unit;
The water conveyance area is divided into
The drainage side groove characterized in that a plurality of porous concrete baffle plates are arranged in the water purification section in a direction opposite to the direction of drainage flow.

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