KR20030066574A - Non-point source a contaminant purification system of first rain - Google Patents

Non-point source a contaminant purification system of first rain Download PDF

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KR20030066574A
KR20030066574A KR1020030051732A KR20030051732A KR20030066574A KR 20030066574 A KR20030066574 A KR 20030066574A KR 1020030051732 A KR1020030051732 A KR 1020030051732A KR 20030051732 A KR20030051732 A KR 20030051732A KR 20030066574 A KR20030066574 A KR 20030066574A
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rainwater
cavity
pollutants
rainfall
initial
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KR100533326B1 (en
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전양근
박효원
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주식회사 환경시설관리공사
주식회사 포모나환경기술
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    • 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
    • C02F3/06Aerobic processes using submerged filters
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Biological Wastes In General (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Sewage (AREA)

Abstract

PURPOSE: Provided is an incipient rainfall overflow purification system for eliminating non-point source contaminant from incipient rainfall overflow to prevent pollution of river, lakes, and ground water. CONSTITUTION: The system comprises a trench formed by excavation and connected to a drainage canal, a filter layer(52,54,56,60) deposited on the trench and plants(10) planted in the filter layer for guiding incipient rainfall overflow to ground water after purifying the incipient rainfall overflow containing non-point source contaminant, and the drainage canal(30) for discharging purified incipient rainfall overflow to public water.

Description

초기우수유출수 비점오염물질 정화처리시스템{Non-point source a contaminant purification system of first rain}Non-point source a contaminant purification system of first rain}

본 발명은 강우시 초기우수유출수의 비점오염물질을 정화하기 위한 기술에 관한 것으로, 더욱 상세하게는 배출지역이 광범위한 비점오염원으로부터 강우시 초기우수유출수에 상당량 포함되는 비점오염물질의 농도를 저하시켜 공공수역으로 배출시킬 수 있도록 하는 초기우수유출수의 비점오염물질 정화장치에 관한 것이다.The present invention relates to a technique for purifying nonpoint pollutants in the initial excellent runoff during rainfall, and more specifically, the discharge area is reduced from a wide range of nonpoint pollutants to reduce the concentration of nonpoint pollutants contained in the initial rainfall runoff during the rainfall. The present invention relates to a non-point pollutant purification device for initial excellent runoff water that can be discharged to water.

일반적으로 오염물질은 생활하수, 산업폐수 및 축산폐수 등과 같이 배출지점이 뚜렷하고 한정된 점오염원(點汚染源)으로부터 배출되는 점오염물질과 농경지, 목초지, 산림지, 건축현장, 광산, 벌채지, 폐기물처리장, 쓰레기매립장, 도심지, 도로 및 산업현장 등과 같이 배출지역이 광범위한 비점오염원(非點汚染源)으로부터 배출되는 비점오염물질로 나눌 수 있다.In general, pollutants include point pollutants and agricultural lands, grasslands, forest lands, construction sites, mines, logging sites, waste disposal plants, garbage, etc., which are discharged from defined and limited point sources such as domestic sewage, industrial wastes, and livestock wastes. Discharge areas such as landfills, urban areas, roads and industrial sites can be divided into nonpoint pollutants emitted from a wide range of nonpoint sources.

전술한 바와 같은 오염원으로부터 배출되는 오염물질로는 중금속, 병원성 미생물, 유기화합물, 방사성물질, 유독물질 및 기타 염류 등 매우 다양한 형태로 분포되어 있다. 이러한 오염물질들은 통상 강우시에 빗물에 쓸려 빗물과 함께 하천, 내만, 호소 등의 공공수역이나 지하수로 흘러 들어가게 되어 수질오염을 야기시킴은 물론, 이로 인한 생태계의 파괴와 함께 최종적으로는 인간에게 까지 매우 큰 폐해를 주게 된다.Contaminants emitted from the pollutant as described above are distributed in a variety of forms such as heavy metals, pathogenic microorganisms, organic compounds, radioactive materials, toxic substances and other salts. These pollutants are usually swept away by rainwater and flow into public waters such as rivers, bays, lakes, and lakes, causing water pollution, and eventually destroying ecosystems. It is very damaging.

한편, 전술한 바와 같은 오염물질 가운데 배출지점이 뚜렷하고 한정된 점오염물질의 경우에는 가정이나 공장, 축산농가 등에 별도의 정화장치나 폐수처리시설이 설치되어 오염물질의 정화가 어느 정도 이루어지고 있으나, 비점오염물질의 경우에는 배출지역이 광범위할 뿐만 아니라 대부분 지표면에 잔존해 있다가 강우시 빗물과 함께 하천, 내만, 호소 등의 공공수역이나 지하수로 유입되어 수질오염을 야기시키는 주원인이 되고 있다.On the other hand, in the case of point pollutants having a clear discharge point among the pollutants as described above, a separate purification device or wastewater treatment facility is installed in a home, factory, or livestock farm, but the pollutant is purified to some extent. In case of pollutants, the discharge area is not only extensive but mostly remains on the surface of the earth, and it is the main cause of water pollution as it enters public waters or groundwater such as rivers, bays and lakes with rainwater during rainfall.

특히, 비점오염물질의 경우에는 전술한 바와 같이 강우시 특히 초기우수시 내리는 빗물과 함께 하천, 내만, 호소 등의 공공수역이나 지하수로 유입되므로 비점오염물질이 포함된 초기우수를 하천, 내만, 호소 등의 공공수역이나 지하수로 정화없이 흘려보내지 않는 것이 무엇보다도 중요하다.In particular, in the case of nonpoint pollutants, as described above, the rainwater that falls during the rain, especially during the initial rain, flows into public waters or groundwater such as rivers, bays, and lakes. Above all, it is important not to let it flow into public waters or groundwater without purification.

전술한 바와 같은 오염물질 중의 비점오염물질은 우리 나라의 경우 수량적인 측면에서는 홍수로 또한 수질적인 측면에는 강우시 비점오염물질 유출로 인한 공공수역의 수질악화가 초래되고 있다. 특히, 도시지역은 불투수성 포장비율이 높아짐에 따라 강우시 피크 유출량도 커지고, 이에 따라 비점오염물질의 이동력도 증가하여 수질과 수량적인 측면에서 관리가 필요한 실정이다.As mentioned above, non-point pollutants in the pollutants are caused by flooding in the quantitative aspect of Korea and water quality deterioration in public waters due to non-point pollutant outflow during rainfall. In particular, in urban areas, as the impermeable pavement ratio increases, the peak runoff during rainfall increases, and thus the mobility of non-point pollutants increases, requiring management in terms of water quality and quantity.

그리고, 전술한 비점오염원이란 점오염원의 상대적 개념으로 공장, 생활하수등 고정된 오염원이 아닌데서 발생되는 오염원을 말하는 것으로, 통상 강우시에 빗물과 같이 유출되는 오염원을 일걷는다. 이러한 비점오염원은 4대강 오염부하의 22∼37%에 달할 뿐만 아니라 팔당상수원의 경우 오염부하의 약 절반인 44.5%가 비점오염원으로 조사되는 등 수질에 미치는 영향이 매우 크다는 것을 알 수 있다.In addition, the non-point source described above refers to a source of pollution caused by non-fixed sources such as factories and household sewage as a relative concept of the point source, and usually collects pollutants that flow out as rainwater during rainfall. These nonpoint sources account for 22-37% of the pollutant loads of the four rivers, and in the case of Paldang Water, 44.5% of the pollutant loads are irradiated as nonpoint sources.

한편, 전술한 우수유출수 중의 오염물질 유출특성은 초기우수유출수에서 비교적 높은 오염농도를 나타내므로 약 20mm의 강우에 대한 우수유출수 처리시설 용량만으로도 전체 강우 사상의 80% 이상을 처리할 수 있는 것으로 연구 보고되고 있다.On the other hand, the pollutant outflow characteristics in the stormwater runoff show relatively high pollution concentrations in the initial stormwater runoff, so that only 80% of the rainfall can be treated with the stormwater treatment facility capacity for about 20mm of rainfall. It is becoming.

따라서, 초기우수유출수를 처리하기 위한 방안으로써 기존 도시지역의 경우에는 토지수용의 어려움으로 넓은 토지면적을 필요로 하는 우수유출수 처리시설은 설치하기 어려우므로 비교적 토지이용에 제한이 적은 침투형시설이나 Stormceptor 등의 장치형시설 그리고 빗물펌프장의 유수지를 이용하는 방안, 신규 도시의 조성시에는 지역의 불투수율 증가에 따른 수문 유출특성의 급격한 변화를 방지하기 위해 도시의 불투수율 면적비를 일정수준으로 제한하거나 개발전후의 우수유출량의 변화를 비교하여 개발전보다 유출량이 많을 경우에는 이를 조절하기 위한 침투 및 저류시설 등을 설치케 하는 방안 및 도시지역의 토지이용계획시 수변지역은 하천수질에 직접적인 영향을 미칠 수 있는 지역이므로 가급적 이용 및 훼손을 억제하고 수변지역을 비점오염물질 저감을 위한 완충녹지대로 이용하는 방안 등이 보고되고 있다.Therefore, it is difficult to install rainwater treatment facilities requiring large land area due to the difficulty of land acceptance in the existing urban areas. In order to use the device-type facilities such as the rainwater pumping station and the construction of a new city, in order to prevent the drastic change in the hydrologic discharge characteristics due to the increase in the impermeability rate of the area, the ratio of the impermeability rate of the city to a certain level or the excellent before and after development Compared with changes in runoff, if there is more runoff than before development, it is recommended to install infiltration and storage facilities to control the runoff, and the waterside area is an area that can directly affect river water quality when planning land use in urban areas. Restrain water and damage, It has been reported to use a buffer zone for reducing salt substances.

또한, 전술한 바와 같은 우수유출수 처리시설의 조속한 도입뿐만 아니라 주기적인 도시청소의 실시, 장마전 맨홀 및 우수관거설비의 점검 및 청소, 유수지 바닥의 퇴적물 준설, 건설지역의 우수유출수 방지턱 설치 등을 통해 도시지역에 산재해 있는 각종 비점오염원을 사전에 제거하는 방안도 검토되고 있다.In addition to the rapid introduction of storm water runoff treatment facilities as described above, periodical city cleaning, inspection and cleaning of manholes and storm drainage facilities before the rainy season, dredging of sediment at the bottom of the reservoir, installation of storm drains in construction areas, etc. The plan to remove various nonpoint sources scattered in urban areas is also under consideration.

그러나, 전술한 바와 같은 초기우수유출수를 처리하기 위한 여러 방안에도 불구하고 실제로 적용되어 실효성을 거두기란 토지수용에 따른 어려움 등의 제한적인 요소가 너무 많아 사실상 어려운 상태이다.However, despite the various measures to treat the initial excellent runoff as described above, it is actually difficult because there are too many limiting factors such as difficulties due to land acceptance.

본 발명은 전술한 바와 같은 문제점을 해결하기 위해 창안된 것으로, 강우시 특히 초기우수시 내리는 빗물과 함께 유입되는 비점오염물질을 여러 단계를 거쳐 정화함으로써 하천, 내만, 호소 등의 공공수역이나 지하수 등의 수질오염을 예방할 수 있는 초기우수 비점오염물 정화장치를 제공함에 그 목적이 있다.The present invention was devised to solve the problems described above, and cleans the non-point pollutants introduced with rainwater during rain, especially during early rain, through various steps, such as rivers, bays, lakes, public waters, groundwater, etc. Its purpose is to provide an excellent non-point pollutant purification device that can prevent water pollution.

나아가, 본 발명은 강우시 초기우수에 포함된 비점오염물질을 정화하여 공공수역이나 지하수 등으로 흘려 보냄으로써 비점오염물질로 인한 수질오염의 방지를 통해 자연생태계를 보호할 수 있도록 함은 물론, 최종소비자인 인간에게 까지 미치는 폐해를 보다 줄일 수 있도록 함에 있다.Furthermore, the present invention purifies the non-point pollutants contained in the initial excellent rainfall during rain and sends them to public waters or groundwater to protect the natural ecosystem through prevention of water pollution caused by non-point pollutants, as well as the final To reduce the harm to the human being as a consumer.

도 1 은 본 발명에 따른 초기우수유출수 비점오염물질 정화처리시스템의 단면도.1 is a cross-sectional view of the initial excellent runoff water non-point pollutant purification system according to the present invention.

도 2 는 본 발명에 따른 초기우수유출수 비점오염물질 정화처리시스템의 다른 실시예를 나타낸 단면도.Figure 2 is a cross-sectional view showing another embodiment of the initial excellent effluent non-point pollutant purification system according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 식물 20 : 토양10: plant 20: soil

30 : 배수로 32 : 배수공30: drainage channel 32: drainage hole

40 : 도로 52 : 제1여재층40: road 52: first media layer

54 : 제2여재층 56 : 제3여재층54: second media layer 56: third media layer

58 : 식물 60 : 제4여재층58: plant 60: fourth media layer

전술한 목적을 달성하기 위해 구성된 본 발명은 다음과 같다. 즉, 본 발명은 배수공으로 유입되는 방향에 터파기되어 상기 토양으로부터 우수가 유입되는 공동, 공동에 도포되어 식재된 식물과 함께 비점오염물질이 함유된 초기우수를 정화한 후 지하수로 유도하는 여재층, 및 공동의 측부에 설치되어 공동으로부터 유입되는 비점오염물질이 함유되지 않은 우수를 배수공을 통해 유입하여 공공수역으로 방류하는 배수로를 포함하여 이루어져, 강우 초기의 비점오염물질을 함유한 초기우수는 여재층과 식물을 통해 정화한 후 지하수로 방류하고, 계속된 강우로 공동 아래로부터 역류되어 공동을 넘친 비점오염물질을 함유하지 않은 우수는 배수공을 통해 배수로로 유입되도록 한 것을 특징으로 한다.The present invention configured to achieve the above object is as follows. In other words, the present invention is a filter layer which is expelled in the direction flowing into the drain hole to clean the initial rainwater containing non-point pollutants with plants planted and coated in the cavity, cavity in which rainwater is introduced from the soil, and then guided to groundwater. , And drainage that is installed on the side of the cavity and contains rainwater that does not contain nonpoint pollutants from the cavity and flows through the drain hole to discharge into public waters. Purified through layers and plants, discharged into groundwater, and rainwater that does not contain nonpoint pollutants overflowing from the bottom of the cavity through continuous rainfall is introduced into the drain through the drain hole.

전술한 바와 같은 구성에서 여재층은 모래, 토양, 자갈, 쇄석, 인공여재, 부직포를 단독 또는 혼재한 것을 특징으로 한다.In the configuration as described above, the media layer is characterized in that the sand, soil, gravel, crushed stone, artificial media, nonwoven fabric alone or mixed.

이하에서는 본 발명에 따른 바람직한 실시예를 첨부된 도면을 참조하여 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

참고로, 본 발명의 명세서에는 비점오염물질이 다량 함유된 초기우수와 계속된 강우로 인해 비점오염물질이 초기우수에 비해 상대적으로 적게 함유되거나 비점오염물질이 함유되지 않은 우수를 구별하여 설명한다.For reference, the specification of the present invention distinguishes the rainwater containing a relatively small amount of non-point pollutants or the non-point pollutants compared to the initial rains due to the initial rain and the continuous rain containing a large amount of non-point pollutants.

도 1 은 본 발명에 따른 초기우수유출수 비점오염물질 정화처리시스템의 단면도이다.1 is a cross-sectional view of an initial excellent runoff non-pollutant purification system according to the present invention.

본 발명에 따른 기술은 도로(40)를 향해 비스듬하게 절개되어 강우시 도로(40)로 우수가 유입되는 지역이나, 도로(40)로부터 도로(40) 양측으로 우수가 흘러내리는 지역 등에 설치되는 것을 실시예로 설명하지만, 대도시의 도로나 주차장, 상업 및 공업지역 등과 같은 비점오염원과 같이 유기물, 중금속, 오일 등과 같은 비점오염물질을 함유한 초기 우수를 정화처리할 필요성이 있는 모든 지역에서 다양하게 채용될 수 있다.The technology according to the present invention is to be installed in an area where rainwater flows into the road 40 when rain is inclined toward the road 40 or in an area where rainwater flows down from the road 40 to both sides of the road 40. Although described by way of example, it is widely employed in all regions where there is a need to purify the initial stormwater containing nonpoint pollutants such as organic matter, heavy metals, oils, etc., such as nonpoint pollutants such as roads, parking lots, commercial and industrial areas in large cities. Can be.

본 발명에 따른 실시예에 따른 초기우수유출수 비점오염물질 정화처리시스템(이하 간단히 '정화처리시스템'이라 한다.)은 육상식물(10)이 식재되는 토양(20)과 도로(40)의 양측에 설치되는 배수공(32) 사이에 설치되는데, 이는 최초 강우시에 대기나 토양(20)에 함유된 비점오염물질이 다량 함유된 초기우수를 정화한 후 지하수로 방류하기 위함이다. 물론, 정화된 우수가 배수로(30)의 유입공(30a)을 통해 유입되어 배수로(30)를 통해서도 배출된다.The initial excellent effluent non-point pollutant purification system (hereinafter, simply referred to as 'purification treatment system') according to the embodiment of the present invention may be disposed on both sides of the soil 20 and the road 40 on which the land plants 10 are planted. It is installed between the drain holes 32 to be installed, which is to clean the initial rainwater containing a large amount of non-point pollutants contained in the atmosphere or soil 20 during the first rainfall and then discharged into the groundwater. Of course, the purified rainwater is introduced through the inlet hole (30a) of the drainage path 30 is also discharged through the drainage path (30).

이러한 정화처리시스템은 토양(20)과 도로(40) 사이에 길게 터파기를 하여 공동(50)을 형성한 후, 이 공동(50)에 초기우수를 정화하기 위한 여재층을 형성한다.This purification treatment system forms a cavity 50 by digging long between the soil 20 and the road 40, and then forms a filter layer for purifying the initial excellent water in the cavity 50.

여재층은 모래, 토양, 자갈, 쇄석, 예를 들어 합성수지와 같은 인공여재를 단독 또는 혼합하여 형성하는데, 본 발명에 따른 실시예에서는 제1여재층(52)을 모래로 도포하였으며, 제2여재층(54)을 자갈로 하였다. 또한, 최하부에는 제3여재층(56)으로 부직포를 도포하였다.The filter media layer is formed by sand or soil, gravel, crushed stone, for example, artificial media such as synthetic resin alone or mixed, in the embodiment according to the present invention was applied to the first filter layer 52 with sand, the second media Layer 54 was made of gravel. Further, at the bottom, a nonwoven fabric was applied to the third media layer 56.

즉, 도 1 을 도시된 바와 같이, 본 발명에 따른 실시예에서는 최상부에서부터 차례대로 모래(52), 자갈(54)이 반복하여 도포되고, 최하부에는 부직포(56)가 도포된다.That is, as shown in Fig. 1, in the embodiment according to the present invention, sand 52 and gravel 54 are repeatedly applied in order from the top, and a nonwoven fabric 56 is applied to the bottom.

한편, 최상부의 제1여재층(52)은 토양(20)으로부터 유입되는 초기우수가 배수공(32)으로 바로 유입되는 것을 방지하고 여재층으로 곧바로 유입될 수 있도록 오목하게 형성하거나 지표면으로부터 소정 깊이로 형성한다.On the other hand, the uppermost first media layer 52 is formed in a concave shape or to a predetermined depth from the ground surface to prevent the initial rainwater flowing from the soil 20 to flow directly into the drain hole 32 and to flow directly into the media layer Form.

최상부의 제1여재층(52)은 예를 들어 잔디와 같은 육상식물이나, 수생식물 또는 수변식물 등 자연정화기능을 구비한 다양한 식물(58)이 식재된다.The uppermost first layer 52 is planted with various plants 58 having a natural purification function, such as a land plant such as grass, or an aquatic plant or a water plant.

이러한 식물(58)은 그 줄기와 뿌리가 미생물의 부착 매질로 이용되며, 통기 조직을 통해 산소를 전달함으로써 미생물의 분해 활동을 촉진하여 질산화와 탈질화 작용을 유도한다.The plant 58 has its stem and root used as an attachment medium for microorganisms, and induces nitrification and denitrification by promoting the degradation activity of the microorganisms by transferring oxygen through the ventilation tissue.

이에 따라, 토양(20)으로부터 유입되는 초기우수는 최상부의 제1여재층(52)에 고이면서 하부로 스며들어 필터링된다. 또한, 우수에 함유된 비점오염물은 각종 식물(58)에 부착되어 이들은 미생물에 의해 분해된다.Accordingly, the initial rainwater flowing from the soil 20 is collected in the uppermost first medial layer 52 and permeated downward and filtered. In addition, nonpoint contaminants contained in rainwater are attached to various plants 58 so that they are degraded by microorganisms.

따라서, 최초 강우시 비점오염물질이 다량 함유 초기우수는 토양(20)을 흘러 내린 후, 곧바로 정화처리시스템으로 유입되어 정화된다. 정화된 우수는 토양의 지하로도 흡수되지만 배수로(30)의 유입공(30a)을 통해 배수로(30)의 내부로도 유입된다.Therefore, the initial rainwater containing a large amount of non-point pollutants during the first rainfall flows down the soil 20 and immediately flows into the purification treatment system for purification. Purified rainwater is also absorbed into the basement of the soil, but is also introduced into the drainage path 30 through the inlet hole 30a of the drainage path 30.

한편, 계속된 강우로 인한 불어난 우수는 비점오염물질이 적게 함유되어 있다. 비점오염물질을 적게 함유하고 있는 우수는 정화처리시스템의 여재층을 지나지 않고 곧바로 배수공(32)으로 유입된다. 이는 강우가 계속되는 경우 정화처리시스템의 공동(50) 아래에서부터 우수가 불어나 역류하므로 우수가 정화처리시스템으로 유입되지 못하기 때문이다. 이와 같이, 정화처리시스템으로 유입되지 않고 배수공(32)으로 곧바로 유입되는 우수는 배수로(30)를 통해 공공수역으로 유도된다. 이들은 초기우수와는 달리 비점오염물이 함유되어 있지 않으므로, 별도로 정화처리할 필요가 없다.On the other hand, the stormwater runoff caused by continuous rainfall contains less nonpoint pollutants. Rainwater containing less nonpoint pollutants flows directly into the drain hole 32 without passing through the filter bed of the purification treatment system. This is because rainwater continues to flow back from the cavity 50 of the purification treatment system when the rainfall continues, so rainwater does not flow into the purification treatment system. As such, the rainwater flowing straight into the drain hole 32 without being introduced into the purification treatment system is led to the public water through the drainage path 30. Unlike initial rainwater, they do not contain nonpoint contaminants and do not need to be purified separately.

즉, 본 발명의 정화처리시스템은 비점오염물질이 함유된 초기우수를 공동(50)으로 유도하여 여재층 및 식물(58)을 통해 정화처리한 다음 지하수로 유도하고, 이후 비점오염물질이 함유되지 않은 우수는 초기우수와는 달리 정화처리하지 않는다. 따라서, 정화처리되어 지하수로 유입되는 초기우수 이후의 우수는 계속된 강우로 공동(50) 내부에서 차올라서 곧바로 배수로(30)로 유입된다.That is, the purification treatment system of the present invention guides the initial excellent water containing non-point pollutants into the cavity 50, purifies through the filter media and the plant 58, and then guides the ground water to the non-point pollutants. Rainwater is not purified, unlike early rainwater. Therefore, the rainwater after the initial rainwater that is purified and flowed into the groundwater is taken up in the cavity 50 as a continuous rainfall and immediately flows into the drainage path 30.

도 2 는 본 발명에 따른 초기우수유출수 비점오염물질 정화처리시스템의 다른 실시예를 나타낸 단면도이다.Figure 2 is a cross-sectional view showing another embodiment of the initial excellent effluent non-point pollutant purification system according to the present invention.

도 2 는 앞서 설명한 실시예와는 인공여재를 사용한 것으로서, 제1여재층(52)은 모래, 제2여재층(54)은 자갈, 제3여재층(56)은 부직포 마지막으로 제4여재층(60)은 인공여재를 사용하였다.FIG. 2 is an example of using the artificial media as described above, wherein the first media layer 52 is sand, the second media layer 54 is gravel, and the third media layer 56 is a nonwoven fabric. (60) used artificial media.

인공여재로는 플라스틱류의 합성수지를 이용하였다. 즉, 본 발명에 따른 실시예는 자갈, 모래, 토양, 쇄석, 인공여재 등을 필요에 따라 용이하게 채용한다. 이러한 여재층의 선택 및 그 크기는 공동(50)의 크기와 함께 해당 지역의 강우량과 우수의 유입지역의 넓이 등을 고려하여 다양하게 선택하여 실시할 수 있다.As artificial media, synthetic resins of plastics were used. That is, the embodiment according to the present invention easily employs gravel, sand, soil, crushed stone, artificial media, etc. as necessary. The selection and size of such a median layer can be carried out in various ways in consideration of the size of the cavity 50 and the area of rainfall and rainwater inflow of the rainwater.

즉, 본 발명에 따른 정화처리시스템은 토양(20)과 대기 중의 비점오염물질을 다량 함유하고 있는 초기우수를 집중적으로 정화하고, 비점오염물질이 초기우수에 비해 적은 우수는 토양에서의 역류로 인해 자연적으로 공공수역으로 방류되는데, 강우 초기에는 공동(50) 내부의 여재층으로 초기우수가 바로 유입되지만, 강우가 계속되는 경우에는 공동(50) 아래의 토양(20)으로부터 우수가 역류하여 여재층 내부에 고이게 되므로 이후의 우수는 곧바로 공공수역으로 방류되기 때문이다.In other words, the purification treatment system according to the present invention intensively purifies the initial excellent water containing a large amount of non-point pollutants in the soil 20 and the air, the less excellent than the initial excellent non-point pollutants due to the backflow in the soil Naturally, it is discharged to public waters, and in the early stage of rainfall, the initial rainfall flows directly into the media layer inside the cavity 50, but if the rainfall continues, rainwater flows backward from the soil 20 under the cavity 50 and the interior of the media layer. This is because subsequent rainwater is discharged directly into public waters.

결국, 비점오염물질을 다량 함유하고 있는 초기우수는 자연적으로 여재층과 식물에 의해 정화되지만, 비점오염물질을 함유하지 않는 우수는 초기 우수와 달리 곧바로 배수로(30)를 통해 공공수역으로 방류된다.As a result, the initial rainwater containing a large amount of nonpoint pollutants is naturally purified by the filter media and plants, but the rainwater that does not contain the nonpoint pollutants is discharged directly into the public water through the drainage channel 30, unlike the initial rainwater.

본 발명은 전술한 실시예에 국한되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수 있다.The present invention is not limited to the above-described embodiments and can be carried out in various modifications within the scope of the technical idea of the present invention.

이와 같이 구성되는 본 발명에 따르면, 강우시 특히 초기우수시 내리는 빗물과 함께 유입되는 비점오염물질을 여러 단계를 거쳐 정화함으로써 하천, 내만, 호소 등의 공공수역이나 지하수 등의 수질오염을 예방할 수 있다.According to the present invention configured as described above, it is possible to prevent water pollution of public waters such as rivers, bays and lakes, groundwater, etc. by purifying non-point pollutants introduced with rainwater during rain, especially during rain, during various stages. .

또한, 강우시 초기우수에 포함된 비점오염물질을 정화하여 공공수역이나 지하수 등으로 흘려 보냄으로써 비점오염물질로 인한 수질오염의 방지를 통해 자연생태계를 보호할 수 있고, 최종소비자인 인간에게 까지 미치는 폐해를 보다 줄일 수 있다.In addition, by purifying nonpoint pollutants contained in early rainwater during rainfall, they can be sent to public waters or groundwater to protect natural ecosystems by preventing water pollution caused by nonpoint pollutants. The damage can be reduced more.

Claims (2)

상기 배수공으로 유입되는 방향에 터파기되어 상기 토양으로부터 우수가 유입되는 공동;A cavity in which the rainwater is introduced from the soil by being dug in the direction flowing into the drain hole; 상기 공동에 도포되어 식재된 식물과 함께 비점오염물질이 함유된 초기우수를 정화한 후 지하수로 유도하는 여재층; 및Median layer which purifies the initial rainwater containing non-point pollutants with plants planted and applied to the cavity and leads to groundwater; And 상기 공동의 측부에 설치되어 상기 공동으로부터 유입되는 비점오염물질이 함유되지 않은 우수를 배수공을 통해 유입하여 공공수역으로 방류하는 배수로를 포함하여 이루어져,It is installed on the side of the cavity and comprises a drainage that does not contain the non-point pollutant introduced from the cavity flows through the drain hole to discharge into the public water, 강우 초기의 상기 비점오염물질을 함유한 초기우수는 상기 여재층과 상기 식물을 통해 정화한 후 지하수로 방류하고, 계속된 강우로 상기 공동 아래로부터 역류되어 상기 공동을 넘친 상기 비점오염물질을 함유하지 않은 우수는 상기 배수공을 통해 상기 배수로로 유입되도록 한 것을 특징으로 하는 초기우수유출수 비점오염물질 정화처리시스템.The initial rainwater containing the nonpoint pollutants at the beginning of the rainfall is purified through the filter bed and the plant and discharged into the groundwater, and the continuous rainfall does not contain the nonpoint pollutants that have flowed back from below the cavity and overflow the cavity. Rainwater is the initial excellent outflow water non-point pollutant purification system, characterized in that the drainage flows into the drain through the drain hole. 제 1 항에 있어서, 상기 여재층은 모래, 토양, 자갈, 쇄석, 인공여재, 부직포를 단독 또는 혼재한 것을 특징으로 하는 초기우수유출수 비점오염물질 정화처리시스템.The system of claim 1, wherein the media layer comprises sand, soil, gravel, crushed stone, artificial media, or nonwoven fabric alone or mixed.
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KR101008421B1 (en) * 2010-07-19 2011-01-14 소재철 The water distribution system using an invisible distributing pipe and a drainage hole for cleaning
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CN109160677A (en) * 2018-09-12 2019-01-08 重庆交通大学 Pavement runoff ecological purification system
CN109332367A (en) * 2018-11-19 2019-02-15 广东中联兴环保科技有限公司 A kind of system in rare earth ore in-situ leaching mine abandoned mine land control pollutant output
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