KR20090026866A - Equipment for improvement of river water quality using soil filtration and method for the same - Google Patents

Equipment for improvement of river water quality using soil filtration and method for the same Download PDF

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KR20090026866A
KR20090026866A KR1020070091915A KR20070091915A KR20090026866A KR 20090026866 A KR20090026866 A KR 20090026866A KR 1020070091915 A KR1020070091915 A KR 1020070091915A KR 20070091915 A KR20070091915 A KR 20070091915A KR 20090026866 A KR20090026866 A KR 20090026866A
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water
river
river water
pipe
filtered
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KR1020070091915A
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Korean (ko)
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KR100915541B1 (en
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김승현
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영남대학교 산학협력단
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/04Aerobic processes using trickle filters
    • C02F3/046Soil filtration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus

Abstract

An apparatus for improving the quality of river water is provided to protect contamination of a circumference and generation of bad smell by collecting the purified water quickly. An apparatus for improving the quality of river water comprises the followings: a river water pumping chamber lifting up the river water to a river water supplying chamber; the river water supplying chamber supplying the water to a distribution pipe; the distribution pipe supplying the water to a discharging pipe supplying the water to a surface of soil and installed on the distribution pipe; a filtered water collection pipe collecting the purified water and installed on the ground; a filtered water flowing pipe collecting the water to a filtered water collecting chamber; the filtered water collecting chamber collecting the filtered water finally.

Description

토양여과를 통한 하천수 수질개선장치 및 방법{equipment for improvement of river water quality using soil filtration and method for the same}Equipment for improvement of river water quality using soil filtration and method for the same}

본 발명은 토양여과를 통한 하천수 수질개선장치 및 방법에 관한 것으로, 보다 상세하게는 하천수를 하천 주변의 홍수터에 관개하여 토양층을 통과시켜 유기물 등 오염물이 제거되도록 한 후, 깨끗해진 여과수를 관개지점 부근에서 회수하여 하천으로 유입시킴으로써 하천수의 수질을 개선하는 장치 및 방법에 관한 것이다.The present invention relates to a stream water quality improvement apparatus and method through soil filtration, and more particularly, to irrigate the river water to the floodplain around the river to pass through the soil layer to remove contaminants, such as organic matter, and then clean the filtered water near the irrigation point The present invention relates to an apparatus and a method for improving the water quality of river water by recovering the water and flowing it into the river.

하천수는 수량이 많고 오염물 농도가 낮은 것이 특징으로, 하천수 수질을 개선하는 가장 보편적인 방법은 하천의 바닥이나 하안에 미생물이 부착할 수 있는 담체를 설치하여 하천수에 포함된 오염물의 생분해되도록 촉진하는 방법이다. 그러나 이 방법들은 공법에 따라 여러 가지 특징이 있지만 공통적으로 효율이 낮고, 홍수 시 쉽게 유실되거나 폐색된다는 단점이 있다.River water is characterized by high yield and low pollutant concentration. The most common way to improve the quality of river water is to promote biodegradation of pollutants contained in river water by installing carriers to which microorganisms can be attached to the bottom or bottom of the river. to be. However, these methods have various characteristics depending on the construction method, but they have a disadvantage in that they are generally inefficient and easily lost or occluded in floods.

다음으로 보편적인 방법은 하천수를 하천주변의 홍수터(고수부지)로 끌어내어 적당한 공법으로 처리한 후, 처리수를 하천에 다시 방류하는 방법이다. 구체적으로는, 폐타이어를 이용한 하천수질 정화장치 및 방법 (한국특허등록 10-0161768), 폐 콘크리트를 이용한 하천수질 정화장치 및 방법 (한국특허등록 10- 0161767), 하천변 자연제방과 둔치를 이용한 생물접촉 산화식 하천수질 정화설비 (한국특허등록 10-0423662), 침전 및 준설에 의한 하천수질 정화장치 및 방법 (한국특허등록 10-0298244) 등이 있다. 이 밖에, 홍수터에 인공습지 또는 산화지 등을 설치하여 오염수를 자연 처리하는 방법도 있다. Next, the common method is to draw the river water to the floodplain (column site) around the river, treat it with a suitable method, and discharge the treated water back to the river. Specifically, a stream water purification device and method using waste tires (Korea Patent Registration 10-0161768), a stream water purification device and method using waste concrete (Korea Patent Registration 10-0161767), a river using natural banks and riverbanks Contact oxidation type river water purification equipment (Korea Patent Registration 10-0423662), and river water purification device and method by precipitation and dredging (Korea Patent Registration 10-0298244). In addition, there is a method of naturally treating contaminated water by installing artificial wetlands or oxidized papers in floodplains.

그러나 이 공법들 역시 각 공법에 따라 차이가 있지만 저농도로 오염된 다량의 하천수 처리를 처리하기에는 효율이 높지 않고, 처리장치가 홍수터 위에 설치되어 홍수 시 유실될 염려가 크거나 이를 방지하기 위해서는 별도의 부지가 필요하다는 단점이 있다. However, these methods are different according to each method, but they are not very efficient for treating a large amount of contaminated river water, and the treatment device is installed on the floodplain, so it is highly likely to be lost during flooding or to separate them. There is a disadvantage that it is necessary.

그리하여 상기 단점들을 극복하는 방안으로 하천 주변의 홍수터와 하상을 구성하는 토양의 탁월한 투수성과 그 물리적, 화학적, 그리고 생물학적 오염제거능력을 이용하는 자연친화적인 공법들이 개발되어 있다. 이의 예로 한국특허등록 제0291223호에는 하천수를 하천 바닥의 퇴적층에 통과시켜 자연 정화되도록 하는 토양여과에 의한 하천의 수질개선방법이, 한국특허등록 제0447342호에는 하천주변의 홍수터에 불포화 물 흐름을 발생시켜 하천수에 함유된 오염물을 제거하는 기술인 홍수터를 이용한 하천수의 유기물과 질소제거 방법이 각각 개시되어 있다. Thus, in order to overcome the above disadvantages, nature-friendly methods using the excellent permeability of the soil and the physical, chemical and biological decontamination capabilities of the floodplain and riverbed around the river have been developed. For example, Korean Patent Registration No. 0291223 describes a method for improving the water quality of a river by soil filtration that allows river water to pass through the sedimentary layers at the bottom of the stream, while Korean Patent Registration No. 0447342 generates unsaturated water flows in a floodplain around the stream. Disclosed is a method for removing organic matter and nitrogen from river water using a floodplain, which is a technology for removing contaminants contained in river water.

그러나 한국특허등록 제0291223호의 토양여과에 의한 하천의 수질개선방법을 적용하기 위해서는 하천바닥에 충적층이 약 5m 이상의 상당한 두께로 형성되어 있어야 하고, 하천수의 유속이 상당하여 과다한 폐색층이 토양표층에 형성되지 않도록 하는 기작이 가능해야 하는 등의 조건이 필요하다. 또한, 지층이 큰 입자를 포함하거나 세립질 모래로만 구성된 경우 여과정의 시공이 매우 어렵거나 그 비용이 크게 증가한다는 단점이 있다. 우리나라의 큰 하천과 그 지천의 상당한 부분이 이러한 조건들에 해당되어 토양여과의 높은 효능에도 불구하고 이를 널리 보급하여 하천수질을 개선하기에는 한계가 있다. However, in order to apply the water quality improvement method of the river by the soil filtration of Korean Patent Registration No. 0291223, alluvium layer should be formed at the bottom of the river with a considerable thickness of about 5m or more, and the flow velocity of the river water is considerable, so that the excessive occlusion layer is formed on the soil surface. There is a need for such a mechanism that a mechanism to prevent this from happening. In addition, when the strata contain large particles or consist only of fine grained sand, there is a disadvantage in that the construction of the filter is very difficult or the cost is greatly increased. Large rivers in Korea and a significant part of the streams fall under these conditions, and despite the high efficacy of soil filtration, there is a limit to improving the water quality through widespread use.

한편, 한국특허등록 제0447342호의 홍수터를 이용한 하천수의 유기물과 질소제거 방법은 우리나라의 하천 특성상 하천의 주변에 넓게 분포되어 있는 홍수터를 이용하여 하천수에 포함된 유기물과 질소뿐 아니라 다른 미량 오염물을 높은 효율로 제거할 수 있는 좋은 방법이다. 이 방법은 넓은 홍수터에 하천수를 살포하여 토양에 침투시킴으로써 지하수위를 상승시키고, 상승한 지하수위와 하천수위의 차이에 의해 침투한 하천수가 중력에 의해 다시 하천으로 흘러들게 하여 이 과정에서 토양이 오염물이 제거되도록 하는 것이다. 우리나라의 자연하천은 지하수 유입천이어서 지하수는 홍수터에서 하천으로 흐르므로 주변 환경에 대한 영향이 최소화될 수 있으며, 토양을 이용하여 오염을 제거하므로 그 효율이 높을 뿐 아니라 경제적인 방법이라 할 수 있다. Meanwhile, the method of removing organic matter and nitrogen from river water using the floodplain of Korea Patent Registration No. 0447342 has high efficiency to remove organic matter and nitrogen contained in the river water as well as other trace contaminants using the floodplain widely distributed around the river due to the characteristics of the river in Korea. It is a good way to remove it. In this method, the groundwater level is increased by spreading the river water in a large floodplain and infiltrating the soil, and the infiltrated river water flows back into the river by gravity due to the difference between the elevated groundwater level and the river water level. To make it possible. Since natural rivers in Korea are inflows of groundwater, groundwater flows from floodplains to rivers, so the impact on the surrounding environment can be minimized, and its efficiency is high and economical as it removes pollution using soil.

그러나 이 방법은 홍수터 표면에서 하천수 공급 시 불포화 흐름을 유지해야 하는데 하천수를 홍수터에 골고루 살포하여 홍수터 토양에 불포화흐름을 형성하는 것은 기술적으로 어려우면서 효율이 낮고, 홍수터에 살포된 하천수가 여과되어 상당히 먼 거리에 있는 하천까지 다시 되돌아가는데 이 과정에 작용하는 힘은 오로지 중력뿐이므로 그 처리량이 작으며, 오염된 하천수를 상당한 높이의 공중까지 분수로 뿜어야 균등한 크기의 물방울이 형성되므로 골고루 살포하기 위해서는 에너지가 많이 들고, 오염된 하천수를 살포하므로 비산되는 물방울이 냄새 또는 다른 환경오 염원이 되며, 살포된 물은 지표면의 식물체에 의해 차단되거나 증발이 촉진되어 물의 낭비가 많아진다는 단점이 있다. 또, 홍수터 토양을 통과하면서 깨끗해진 하천수가 지하수로 함양되어 중력에 의해 하천으로 유입되므로 하천수의 수질은 개선되지만 깨끗해진 여과수를 활용할 수 없다.However, this method requires maintaining the unsaturated flow on the surface of the floodplain. It is technically difficult and inefficient to spread the stream evenly across the floodplain to form unsaturated flow in the floodplain soil. Back to the rivers in the distance, the only force acting on this process is gravity, so the throughput is small, and evenly spraying contaminated river water to the air of considerable height forms water droplets of equal size, so Because of the high energy consumption and the spraying of contaminated river water, the water droplets that are scattered become odors or other environmental pollution sources, and the sprayed water is blocked by plants on the ground or promoted evaporation. In addition, river water that has been cleared while passing through the floodplain soil is recharged into the groundwater and flows into the river by gravity, so that the water quality of the river water is improved but the filtered water cannot be utilized.

또 그 밖에, 홍수터의 자연토양을 굵은 입자의 자갈로 치환하여 여기에 오염된 하천수를 통과시켜 자갈입자에 부착하여 자라는 미생물의 오염처리능력을 이용하는 역간접촉산화법이나 이와 유사한 공법들이 시도되었으나 홍수에 의한 폐색과 발생된 슬러지의 처리 등에 어려움이 있어 실제로 널리 보급되지는 못하고 있는 실정이다. (환경관리공단, 하천자연정화시설부지 및 수질현황조사서, 1999년 4월) In addition, reverse contact oxidation or similar methods have been attempted to utilize the microorganism's pollution treatment ability by replacing the natural soil of the floodplain with coarse-grained gravel, passing it through contaminated river water, and adhering to gravel particles. Difficulties such as blockage and the treatment of the sludge generated is not actually widely used. (Korea Environmental Management Corporation, River Natural Purification Site and Water Quality Survey, April 1999)

[문헌1] 한국특허등록공보 10-0423662[Patent 1] Korean Patent Registration Publication 10-0423662

[문헌2] 한국특허등록공보 10-0298244[Patent 2] Korean Patent Registration Publication 10-0298244

[문헌3] 한국특허등록공보 제0291223호[Document 3] Korean Patent Registration Publication No. 0291223

[문헌4] 한국특허등록공보 제0447342호[Document 4] Korean Patent Registration Publication No. 0447342

[문헌5] 하천자연정화시설부지 및 수질현황조사서, 환경관리공단, 1999년 4월[Ref. 5] River Natural Purification Site Site and Water Quality Survey, Environmental Management Corporation, April 1999

본 발명의 목적은 홍수터에 하천수를 공급함에 있어 손실되는 물의 양을 줄이고, 주변 환경을 오염시키지 않을 뿐만 아니라 에너지가 적게 드는 하천수 침투를 촉진하는 하천수 분배체계를 가져 처리량이 크고, 여과된 하천수를 하천으로 유입시키지 않고 다른 용도로도 사용할 수 있는 토양여과를 통한 하천수 수질개선장 치 및 방법을 제공하는 것이 목적이다.It is an object of the present invention to reduce the amount of water lost in supplying river water to floodplains, not only to contaminate the surrounding environment, but also to have a stream water distribution system that promotes the infiltration of less energy-efficient river water. The aim is to provide a stream water quality improvement device and method through soil filtration that can be used for other purposes without inflow.

[과제의 해결 수단][Measures to solve the problem]

상기 목적을 달성하기 위한 본 발명의 토양여과를 통한 하천수 수질개선 장치는 하천수를 양수하여 하천수 도수관에 공급하는 하천수 양수실(11)과, 양수실에서 공급되는 하천수를 각 하천수 분배관(13)에 공급하는 하천수 도수관(12)과, 하천수 도수관(12)에서 공급되는 하천수를 출수대(14)에 공급하는 하천수 분배관(13)과, 하천수 분배관(13)에 설치되어 하천수를 월류식으로 토양표면에 공급하는 출수대(14)와, 지중에 설치되어 토양여과를 통해 정화된 여과수를 포획하는 여과수 집수관(21)과, 역시 지중에 설치되어 각 여과수 집수관(21)에 포획된 여과수를 여과수 집수정(23)으로 모으는 여과수 도수관(22)과, 집수된 여과수를 최종적으로 수집하는 여과수 집수정(23)을 포함하는 것으로, 도 1에 도시된 바와 같이, 하천수 도수관(12)에 하천수 분배관(13)이 직각으로 연결되어 서로 평행하고, 여과수 도수관(22)에 여과수 집수관(21)이 직각으로 연결되어 서로 평행한 것이 가장 전형적이며 이상적일 것이다.The river water quality improvement device through the soil filtration of the present invention for achieving the above object is a river water pumping chamber (11) for pumping the river water to supply to the river water pipe, and the river water supplied from the pumping chamber to each river water distribution pipe (13) The river water supply pipe (12) to supply, the river water distribution pipe (13) for supplying the river water supplied from the river water supply pipe (12) to the outlet 14, and the river water distribution pipe (13) is installed in the river water flow A water outlet 14 for supplying the surface, a filtrate water collecting pipe 21 installed in the ground to capture the filtered water purified through soil filtration, and a filtrate water installed in the ground and captured in each filtrate water collecting pipe 21 It includes a filtered water conduit 22 to collect the filtered water sump 23, and a filtered water sump 23 to finally collect the collected filtered water, as shown in Figure 1, the river water flow pipe 12 Piping (13) is right angle It is most typical and ideal to be connected to each other parallel to each other, and the filtrate water collecting pipe 21 to the filtrate water pipe 22 at right angles to be parallel to each other.

본 발명의 토양여과를 통한 하천수 수질개선 장치에 의해 하천수가 정화되는 과정을 물의 흐름을 따라가며 보다 상세히 설명한다.The process of river water purification by the stream water quality improvement apparatus through soil filtration of the present invention will be described in detail with the flow of water.

먼저, 하천수 양수실(11)에서 퍼 올려진 하천수는 하천수 도수관(12)을 거쳐 하천수 분배관(13)으로 분배되어 출수대(14)를 통하여 홍수터 지표면에 공급되는데 이 때, 하천수를 공중으로 비산시키지 않는 것이 본 발명의 첫 번째 특징이다.First, the river water pumped up from the river water pumping chamber (11) is distributed to the river water distribution pipe (13) via the river water pipe (12) and supplied to the floodplain ground surface through the water outlet (14). It is a first feature of the present invention not to make it.

지표면에 공급된 하천수는 낙하지점에서 월류(flooding)하여 주변지역을 적 시면서 토양 내로 스며들어 하강하면서 토양층의 여과 및 토양 내 미생물에 의한 생화학적 반응에 의해 정화된다. (본 발명의 명세서에서는 편의상 '여과'라는 용어를 사용하였으나 실제로는 생물에 의한 유기물 및 질소제거도 많이 일어난다.)The river water supplied to the surface is overflowed at the drop point, soaked into the soil as it soaks in the surrounding area, and is purified by filtration of the soil layer and biochemical reactions by the microorganisms in the soil. (In the specification of the present invention, the term 'filtration' is used for convenience, but in practice, the removal of organic matter and nitrogen by living organisms also occurs).

이어서 정화된 하천수(여과수)는 여과수 집수관(21)에 집수되어 여과수 도수관(22)을 통하여 여과수 집수정(23)에 모이게 되는데 여과수가 단지 지하수면과 하천수면의 수두차에 의해 먼 거리를 이동하지 않고, 여과수 도수관(22)을 통해 즉각적으로 여과수 집수정(23)으로 이동한다는 것이 본 발명의 두 번째 특징이다.Subsequently, the purified river water (filtered water) is collected in the filtered water collecting pipe 21 and collected in the filtered water collecting well 23 through the filtered water collecting pipe 22. The filtered water moves only a long distance by the water head difference between the ground and the water surface. It is a second feature of the present invention to move immediately through the filtrate water conduit 22 to the filtrate sump 23.

또, 여과수 집수관(21)은 도 1과는 달리, 여과수 집수정(23)에 직접 또는 여과수 도수관(22)을 통하여 방사형으로 연결되어도 무방하다. In addition, unlike FIG. 1, the filtrate water collecting pipe 21 may be radially connected directly to the filtrate water collecting pipe 23 or via the filtrate water pipe 22. FIG.

그리고 상기 본 발명의 토양여과를 통한 하천수 수질개선장치는 하천수 공급을 간헐적으로 하는 것이 바람직하다. And the stream water quality improvement apparatus through the soil filtration of the present invention is preferably to intermittently supply the river water.

이는 주기적으로 지표면을 건조시키기 위함인데 이유는 토양표면의 폐색을 예방하여 투수계수를 유지하기 위함이다. 관개와 건조는 토양의 여러 조건에 따라 그 주기가 다른데, 우리나라 하천주변의 홍수터 토양에서는 관개와 건조의 지속기간 비율을 대략 0.2 ~1.0 정도로 하는 것이 바람직하다. 관개와 건조를 지속하면 토양표면의 폐색방지뿐 아니라 갯벌의 호흡과 같은 메커니즘에 의하여 토양가스의 순환도 촉진되고, 이에 인해 오염물 분해도 촉진된다.This is to periodically dry the ground surface in order to maintain the permeability coefficient by preventing the blockage of the soil surface. The irrigation and drying cycles vary depending on the soil conditions. It is preferable that the duration of irrigation and drying be approximately 0.2 to 1.0 in floodplain soils around Korea. Continued irrigation and drying not only prevent clogging of the soil surface, but also promote circulation of soil gas by mechanisms such as tidal-flat respiration, thereby facilitating decomposition of contaminants.

본 발명의 토양여과를 통한 하천수 수질개선장치에는 하천수 대신 하수처리장 유출수를 공급하여 하수처리장 유출수를 하천에 방류하기 전에 한 번 더 정화하는데 사용할 수도 있는데 이렇게 하면 방류수의 수질이 추가로 개선될 뿐 아니라 하수처리에 사용된 침전제 등 화학약품이 토양에 의해 중화된다는 장점이 있다.The stream water quality improvement device through soil filtration of the present invention may be used to supply the sewage treatment plant effluent instead of the river water to purify the sewage treatment plant effluent once more before discharged to the river. Chemicals, such as precipitants used for treatment, are neutralized by the soil.

본 발명에 의하면 첫째, 홍수터의 토양층에 의해 정화된 물이 빨리 회수되므로 하천수 처리량이 늘어나고, 둘째, 하천수를 공기 중에 비산시키지 않으므로 가동하는데 에너지가 적게 들고 물이 낭비되지 않으며, 셋째, 두 번째와 동일한 이유로 냄새가 나거나 주변을 오염시키지 않아 혐오시설로 기피대상이 되지 않고, 넷째, 정화된 하천수를 하천으로 되돌리지 않고 농업용수 등의 다른 용도로도 으로 사용할 수도 있고, 다섯째, 약품을 사용하거나 슬러지도 발생하지 않아 환경친화적이며, 여섯째, 출수대를 제외한 모든 설비가 지하에 설치되므로 부지에 녹지를 조성할 수 있어 보기에도 좋고, 끝으로, 무엇보다도 우리나라 하천에 적합하다는 장점이 있다. According to the present invention, firstly, the purified water is quickly recovered by the soil layer of the floodplain, so that the amount of river water is increased, and secondly, the stream is not scattered in the air, and thus less energy is used to operate and water is not wasted. For this reason, it does not smell or contaminate the surrounding area, so it is not averted as a hate facility. Fourth, the purified river water may not be returned to the river and used for other purposes such as agricultural water. It is environmentally friendly because it does not occur. Sixth, all the facilities except for the exit are installed in the basement so that it is possible to create a green space on the site, and finally, it is suitable for rivers in Korea.

또한, 하천수가 아닌 하수처리장 방류수를 하천에 방류함에 있어 본 발명을 적용하면 하천수질개선에 더욱 기여할 수 있다.In addition, applying the present invention in the discharge of the sewage treatment plant effluent in the river, not the river water can further contribute to the stream quality improvement.

상기 [과제의 해결 수단]에서 설명한 바와 같이, 홍수터에 하천수가 흐르는 관은 지상에, 여과수가 흐르는 관은 지하에 설치하는데 전형적으로는 도 1과 같이 배치하면 될 것이다. As described in the above [Measuring Solution], a pipe through which river water flows through the floodplain is installed on the ground, and a pipe through which the filtered water flows underground is typically disposed as shown in FIG.

출수대와 여과수 집수관의 위치에 대하여 특별히 언급하면, 출수대(14)는 지표면에서 약 10-50cm 정도 높이에 설치하는 것이 적당하며, 여과수 집수관(21)은 지표면에서 50cm 이하의 지하수면 아래의 적당한 깊이에 설치한다. 이는 보통의 우 리나라 토양에서 지표면을 통해 침투된 오염된 하천수가 토양을 통과하면서 정화되는데, 소요되는 여과거리가 약 50 cm 정도이고, 지하수면은 지표면에서 대략 2 m 이상의 깊이에 위치한다는 정보에 근거한 것이다. (Chung, J-B., Kim, S-H., Jeong, B-R., and Lee, Y-D., "Removal of Organic Matter and Nitrogen from River Water in a Model Floodplain," J. of Environ. Quality, 33, pp. 1017 - 1023, 2004; 전국 충적층 지하수 조사 보고서, 한국수자원공사, 1996년 12월). 그리고 넓은 지역에 살포되어 토양으로 침투한 하천수가 수직으로 이동하여 지하수면에 도달하고 이 지하수가 다시 수평이동을 통해 하천까지 도달하기 위해서 토양중의 먼 거리를 이동하는 것은 여과수질 개선에 큰 도움이 되지 않고 그 처리속도만 늦춘다는 사실에 근거한 것이다.Specially referring to the location of the water outlet and the filtrate collection pipe, it is appropriate that the water outlet 14 is installed at a height of about 10-50 cm from the ground surface, and the filtrate collection pipe 21 is below the ground water level 50 cm or less from the ground surface. Install at the proper depth. This is based on the information that contaminated river water that has penetrated through the surface of the surface of ordinary Korean soils is purified through the soil. will be. (Chung, JB., Kim, SH., Jeong, BR., And Lee, YD., "Removal of Organic Matter and Nitrogen from River Water in a Model Floodplain," J. of Environ. Quality, 33, pp. 1017 -1023, 2004; National Alluvial Groundwater Survey Report, Korea Water Resources Corporation, December 1996). In addition, it is very helpful to improve the quality of the filtered water by moving the water from the large area to the ground by moving the water vertically and reaching the ground level. It is based on the fact that it only slows down the processing speed.

그리고, 여과수 집수관은 개공율이 20% 이상으로 크고 그 직경은 약 30cm 정도로 작은 것을 사용하는 것이 바람직하다. 개공율이 15% 이하로 작으면 집수관으로 지하수가 유입될 때 저항이 커져서 그 효율이 크게 감소하기 때문에 큰 값의 집수관을 사용해야 하고(Ground Water Manual, Water and Power Resources Service, US Dept. of the Interior, 1981), 집수관의 직경이 작아야 하는 이유는 집수관의 직경이 큰 경우 지표면과의 거리 즉, 여과거리가 감소하여 오염물 제거효율이 감소할 수 있기 때문이다. 집수관의 직경이 작고 금속제인 경우에는 그 시공이 쉬운 장점도 추가된다.In addition, it is preferable to use a filter water collection pipe having a porosity of 20% or more and a diameter of about 30 cm. If the opening rate is less than 15%, a large collection pipe should be used because ground resistance is large and the efficiency decreases significantly when groundwater flows into the collection pipe (Ground Water Manual, Water and Power Resources Service, US Dept. of the Interior, 1981), the diameter of the collection pipe should be small because the diameter of the collection pipe is large, the distance to the ground surface, that is, the filtration distance can be reduced to reduce the pollutant removal efficiency. If the collection pipe is small in diameter and made of metal, the advantages of easy construction are added.

도 1은 본 발명 수질개선장치의 평면 배치도의 일예이다.1 is an example of a plan view of the water quality improvement apparatus of the present invention.

** 도면의 주요부분에 대한 부호의 설명 **** Explanation of symbols for main parts of drawings **

11: 하천수 양수실 12: 하천수 도수관11: river water pumping room 12: river water pipe

13: 하천수 분배관 14: 출수대13: river water distribution pipe 14: exit

21: 여과수 집수관 22: 여과수 도수관21: Filtrate water pipe 22: Filtrate water pipe

23: 여과수 집수정23: filtered water sump

Claims (5)

하천수를 양수하여 하천수 도수관에 공급하는 하천수 양수실과, 양수실에서 공급되는 하천수를 각 하천수 분배관에 공급하는 하천수 도수관과, 하천수 도수관에서 공급되는 하천수를 출수대에 공급하는 하천수 분배관과, 하천수 분배관에 설치되어 하천수를 월류식으로 토양표면에 공급하는 출수대와, 지중에 설치되어 토양여과를 통해 정화된 여과수를 포획하는 여과수 집수관과, 역시 지중에 설치되어 각 집수관에 포획된 여과수를 여과수 집수정으로 모으는 여과수 도수관과, 집수된 여과수를 최종적으로 수집하는 여과수 집수정을 포함하는 토양여과를 통한 하천수 수질개선 장치.A river water pumping chamber for pumping river water and supplying it to the river water pipe, a river water pipe for supplying the river water supplied from the pumping room to each river water distribution pipe, and a river water distribution pipe for supplying the river water supplied from the river water pipe to the tap water; A water outlet installed in the pipe to supply stream water to the soil surface in a monthly manner; a filter water collection pipe installed in the ground to capture filtered water purified through soil filtration; and also filtered water trapped in each underground water pipe. A stream water quality improvement apparatus through soil filtration including a filtrate water pipe which collects the filtered water collecting well and a filtered water collecting well which finally collects the collected filtered water. 제1항에 있어서, 하천수 도수관에 하천수 분배관이 직각으로 연결되어 서로 평행하고, 여과수 도수관에 여과수 집수관이 직각으로 연결되어 서로 평행한 것을 특징으로 하는 토양여과를 통한 하천수 수질개선 장치.The stream water quality improvement apparatus of claim 1, wherein the stream water distribution pipes are connected to the river water pipes at right angles and are parallel to each other, and the filter water collection pipes are connected to the water pipes at right angles and parallel to each other. 제1항에 있어서, 여과수 집수관이 여과수 집수정에 방사형으로 연결된 것을 특징으로 하는 토양여과를 통한 하천수 수질개선 장치.According to claim 1, wherein the filtered water collecting pipe is a stream water quality improvement device through soil filtration, characterized in that connected radially to the filtered water collecting well. 제1항 내지 제3항의 토양여과를 통한 하천수 수질개선 장치를 운전함에 있어서, 하천수의 공급을 간헐적으로 하는 것을 특징으로 하는 토양여과를 통한 하천수 수질개선 방법.A method for improving the river water quality through soil filtration, wherein the river water is intermittently supplied while operating the river water quality improvement device through the soil filtration of claim 1. 제4항에 있어서, 하천수 대신 하수처리장 방류수를 공급하는 것을 특징으로 하는 토양여과를 통한 하천수 수질개선 방법.The method of claim 4, wherein the effluent of the sewage treatment plant is supplied instead of the river water.
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JP2002239572A (en) * 2001-02-20 2002-08-27 Fujii Kiso Sekkei Jimusho:Kk Layered soil type river water cleaning apparatus
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KR100586496B1 (en) * 2004-07-23 2006-06-08 (주) 일신네이쳐 Underflow type wastewater treatment system constructed at the edge of the water and wastewater treatment method the same

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