KR0158099B1 - Method and system for sewage treatment from a thickly populated area in city and reuse of treatment water - Google Patents
Method and system for sewage treatment from a thickly populated area in city and reuse of treatment waterInfo
- Publication number
- KR0158099B1 KR0158099B1 KR1019960007802A KR19960007802A KR0158099B1 KR 0158099 B1 KR0158099 B1 KR 0158099B1 KR 1019960007802 A KR1019960007802 A KR 1019960007802A KR 19960007802 A KR19960007802 A KR 19960007802A KR 0158099 B1 KR0158099 B1 KR 0158099B1
- Authority
- KR
- South Korea
- Prior art keywords
- sludge
- treatment
- tank
- facility
- sewage
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000010865 sewage Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 80
- 238000004064 recycling Methods 0.000 claims abstract description 43
- 238000004062 sedimentation Methods 0.000 claims abstract description 42
- 238000009264 composting Methods 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 19
- 239000013049 sediment Substances 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 3
- 244000052769 pathogen Species 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000002361 compost Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims 2
- 230000001172 regenerating effect Effects 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 claims 1
- 230000018044 dehydration Effects 0.000 abstract description 4
- 238000006297 dehydration reaction Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000361919 Metaphire sieboldi Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/44—Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Activated Sludge Processes (AREA)
Abstract
본 발명은 하수처리 및 처리수 재활용 시스템과 하수처리 및 처리수 재활용 방법에 관한 것으로서, 본 발명에 따른 하수처리 및 처리수 재활용 시스템은 지상공간과 지하공간으로 이루어 지고, 지하 공간에는 하부 방향을 향하여 침사지, 최초 침전지, 포기조 및 최종 침전지가 순차적으로 연속 배치되어 수문에 의해 상호 연결되고, 지상 공간에는 하부방향을 향하여 술러지 저류조, 농축 탈수 시설, 슬러지 퇴비화 시설이 순차적으로 연속 배치되어 수문에 의해 상호 연결되며, 슬러지 저류조층에는 2차 처리수조가, 농축 탈수 시설층에는 사여과조가, 슬러지 퇴비화 시설층에는 사여과조를 거친 여과수를 일시 저장하는 여과수조가 동시에 배치되며, 슬러지 퇴비화 시설 및 여과수조층의 하부 층에는 처리수 재활용 시설이 배치되어 구성된다.The present invention relates to a sewage treatment and treated water recycling system and a sewage treatment and treated water recycling method. The sewage treatment and treated water recycling system according to the present invention includes a ground space and an underground space. The sedimentation basin, the initial sedimentation basin, the aeration basin, and the final sedimentation basin are sequentially arranged and interconnected by the sluice. In the ground space, the sludge storage tank, the concentrated dehydration facility, and the sludge composting facility are sequentially arranged in a sequential direction and are mutually connected by the sluice gate. In the sludge reservoir tank layer, the secondary treatment tank, the concentrated dewatering facility layer, and the sludge composting facility layer are disposed at the same time, and the sludge composting facility and the filtered water tank layer are temporarily disposed. In the lower layer of the treatment water recycling facility is arranged.
이러한 구성의 본 발명에 의해 하수 처리장에 소요되는 면적을 줄이고 유휴공간 및 처리수를 재활용하여 하천의 오염을 방지할 수 있게 됨은 물론 처리수 및 유휴공간의 재활용으로 발생되는 새로운 이윤이 창출하게 된다.According to the present invention of the configuration, it is possible to reduce the area required for the sewage treatment plant and to recycle the idle space and the treated water to prevent pollution of the river, as well as to generate new profits generated by the recycling of the treated water and the idle space.
Description
제1도는 본 발명에 따른 하수처리 공정을 실행하는 하수처리 및 처리수 재활용 시스템의 공정 설명도이다.1 is a process explanatory diagram of a sewage treatment and treated water recycling system for executing the sewage treatment process according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1: 침사지 2: 최초침전지1: settler 2: first settler
3: 포기조 4: 최종침전지3: abandoned tank 4: final settler
5: 2차 처리 수조 6: 사여과조5: secondary treatment tank 6: filtration tank
7: 여과수 수조 8: 슬러지 저류저7: Filtration tank 8: Sludge reservoir
9: 농축 탈수 시설 10: 슬러지 퇴비화시설9: concentrated dewatering facility 10: sludge composting facility
11: 처리수 재활용 시설11: Treatment water recycling facility
본 발명은 하수처리 및 처리수 재활용 시스템과 하수처리 및 처리수 재활용 방법에 관한 것으로서, 특히 도심지 인구 밀집 지역 내에서의 작은 공간에 많은 량의 하수를 처리할 수 있는 하수처리 및 처리수 재활용 시스템과 하수처리 및 처리수 재활용 방법에 관한 것이다.The present invention relates to a sewage treatment and treated water recycling system and a sewage treatment and treated water recycling method, and in particular, a sewage treatment and treated water recycling system capable of treating a large amount of sewage in a small space in an urban population center. Sewage treatment and treated water recycling method.
현재 가정에서 배출된 각종 하수는 하천 근처에 설치된 집수 처리장에서 처리되어 다시 하천으로 방류되며, 공장에서 배출되는 각종 공업용수는 공장내의 자체 처리장에서 처리장에서 처리를 하여 재이용 되거나 하천에 방류되고 있다.At present, various sewage discharged from the home is treated in a water treatment plant installed near the river and discharged back to the river, and various industrial water discharged from the plant is treated at the treatment plant in the plant and reused or discharged into the river.
여기에 이용되고 있는 대부분의 하수 처리장은 각각의 처리단계를 수평으로 연결시켜서 순차적으로 정수해 나가는 방법을 사용하고 있기 때문에 하수 처리장에 소요되는 면적이 매우 방대해 지고, 따라서 인구가 밀집된 도심지역 또는 주택지역에서는 높은 건설 비용으로 인하여 하수 처리장을 건설할 수 없게 됨으로 대부분의 하수 처리장은 지가가 매우 싼 외곽지대에 건설된다. 따라서, 하수 처리장과 실제로 하수가 배출되는 가정이나 공장과의 거리가 매우 멀어지게 됨으로써 하수를 처리장까지 유도하는 시설이 부족하여 처리되지 않은 하수를 바로 하천으로 배출하고 있는 실정이다. 또한, 같은 이유로 인하여 처리장에서 처리된 용수도 다시 주택이나 공장으로 되돌려서 재활용 시키기가 곤란하기 때문에 이를 바로 하천으로 배출시키고 있다. 따라서 하수를 처리하지 않고 하천으로 방류시킬 경우의 환경오염 문제와, 하수 처리장에서 배출된 처리수를 하천으로 방류시킴으로써 자원의 낭비라는 문제점이 제기되었다.Most of the sewage treatment plants used here are connected to each treatment stage horizontally to be purified in a sequential manner, so the area required for the sewage treatment plant becomes very large, and therefore, an urban area or a residential area with a high population. Most sewage treatment plants are built on the outskirts of land where land prices are very low because of the high cost of construction. Therefore, the distance between the sewage treatment plant and the home or factory where the sewage is actually discharged becomes very far, and there is a shortage of facilities that lead the sewage to the treatment plant. In addition, because of the same reason it is difficult to recycle the water treated in the treatment plant back to the house or factory, it is discharged directly to the river. Therefore, the problem of environmental pollution when discharged into the stream without treating the sewage and the waste of resources by raising the treated water discharged from the sewage treatment plant into the river has been raised.
본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로서, 침사지 단계, 침전지 단계, 포기조 단계, 농축 탈수 시설 단계 등과 같은 하수처리 공정을 도심내의 단일 건물 내에 수직 배치하여 하수 처리장에 소요되는 대지의 면적을 현저하게 감소시킬 수 있는 하수처리 및 처리수 재활용 복합빌딩을 제공하는 것이다.The present invention has been made to solve the problems as described above, the sewage treatment step, such as the sedimentation step, sedimentation step, aeration tank step, concentrated dewatering facility step, etc. vertically arranged in a single building in the city of the land required for sewage treatment plant It is to provide a sewage treatment and treated water recycling complex that can significantly reduce the area.
본 발명에 따른 다른 목적은 처리된 처리수를 재활용할 수 있는 시설이 제공된 하수처리 및 처리수 재활용 복합빌딩을 제공하는 것이다.Another object of the present invention is to provide a sewage treatment and treatment water recycling complex building provided with a facility capable of recycling treated water.
본 발명의 또 다른 목적은 최종 처리된 여과수를 하수처리 및 처리수 재활용 시스템 내의 처리수 재활용 시설을 이용하여 화훼 단지나 세차시설로 재활용하는 방법을 제공하는 것이다.It is still another object of the present invention to provide a method for recycling the final treated filtration water to a flower pot or a car wash facility using a treated water recycling facility in a sewage treatment and treated water recycling system.
상기 목적을 달성하기 위하여 본 발명에 따른 하수처리 및 처리수 재활용 시스템은 지상 공간과 지하 공간으로 이루어지고, 지하 공간에는 하부방향을 향하여 침사지, 최초 침전지, 포기조 및 최종 침전지가 연속 배치되어 수문에 의해 상호 연결되고, 지상 공간에는 하부방향을 향하여 슬러지 저류조, 농축 탈수 시설, 슬러지 퇴비화 시설이 연속 배치되어 수문에 의해 상호 연결되며, 슬러지 저류조 층에는 2차 처리수조가, 농축 탈수 시설 층에는 사여과조가, 슬러지 퇴비화 시설 층에는 사여과조를 거친 여과수를 일시 저장하는 여과수조가 동시에 배치되며, 슬러지 퇴비화 시설 및 여과수조 층의 하부층에는 처리수 재활용 시설이 배치되는 복합빌딩으로 구성된다.In order to achieve the above object, the sewage treatment and treatment water recycling system according to the present invention is composed of a ground space and an underground space, and in the underground space, a sedimentation basin, an initial sedimentation basin, an aeration tank and a final sedimentation basin are continuously disposed by a hydrological gate. Sludge storage tanks, concentrated dewatering plants and sludge composting facilities are continuously arranged in the ground space and interconnected by water gates, secondary treatment tanks in the sludge storage tank layer, and filter tanks in the concentrated dewatering facility layer. In the sludge composting facility layer, the filtered water tank for temporarily storing the filtered water passing through the filtration tank is disposed at the same time, and the sludge composting facility and the lower layer of the filtered water tank layer are composed of a complex building in which a treated water recycling facility is disposed.
상기 목적을 달성하기 위하여 본 발명에 따른 하수처리 및 처리수 재활용 방법은 지상 공간 및 지하 공간으로 이루어진 하수처리 및 처리수 재활용 시스템내의 지하 공간내에 침사지층, 최초 침전지층, 포기조층, 최종 침전지층을 하향으로 연속 배치시켜 유입된 하수를 1차 처리하는 단계와, 중앙관리 통제실의 제어 명령에 따라 1차 처리된 처리수를 펌프에의해 지상 공간으로 압송시키는 단계와, 시스템의 지상 공간내에 슬러지 저류조 및 2차 처리수조 층, 슬러지 농축 탈수시설 및 사여과조 층, 슬러지 퇴비화시설 및 여과수조 층을 하향으로 연속 배치시켜 1차 처리된 처리수를 2차 처리하는 단계와, 2차 처리된 처리수를 슬러지 퇴비화 시설 및 여과수조 층의 하부에 배치된 화훼 재배 및 판매시설 또는 세차 및 주차 시설에 공급하여 처리수를 재활용하는 단계를 포함하여 구성된다.In order to achieve the above object, the sewage treatment and treated water recycling method according to the present invention includes a sedimentation layer, an initial sedimentation layer, an aeration tank layer, and a final sedimentation layer in an underground space in a sewage treatment and treatment water recycling system consisting of ground space and underground space. Firstly discharging the sewage by continuously discharging downwards, pumping the first treated water into the ground space by a pump according to a control command of the central control room, and a sludge storage tank in the ground space of the system; Secondary treatment tank layer, sludge thickening dehydration unit and filtration tank layer, sludge composting unit, and filtration tank layer are disposed in a downward direction to treat the treated water firstly, and the sludge is treated to the second treated water. Recycle the treated water by supplying it to flower planting and sales facilities located at the bottom of the composting facility and the filter water tank or to car wash and parking facilities. It is configured to include the steps:
이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
제1도는 본 발명에 따른 하수처리 공정을 실행하는 하수처리 및 처리수 재활용 시스템의 공정 설명도이다.1 is a process explanatory diagram of a sewage treatment and treated water recycling system for executing the sewage treatment process according to the present invention.
도시된 바와 같이, 지하 공간에는 침사지, 최초 침전지, 포기조 그리고최종 침저지가 수문으로 연결되며 하향으로 연속 배치되어 구성된다.As shown, the underground space consists of a sedimentation basin, an initial sedimentation basin, an aeration basin and a final sedimentation basin connected to the sluice and are arranged in a continuous downward direction.
여기에서, 지하 1층에 형성된 침사지(1)는 가정에서 배출된 생활하수나 공업 용수로 사용된 공장 폐수 등 여러 경로를 거쳐 유입된 하수중의 협잡물 및 토사를 분리 제거하는 곳으로서, 유입부, 토사퇴적부, 유출부로 구성된다.Here, the sedimentation basin (1) formed on the first basement floor is a place for separating and removing contaminants and soil in the sewage introduced through various paths, such as domestic sewage discharged from the home or factory wastewater used as industrial water. It consists of a sedimentary deposit and an outlet.
유입부는 유입되는 하수를 제어하는 유입수문이 설치되어 있으며, 토사 퇴적부를 퇴적된 토사를 인양하기 위한 토사 제거기, 인양된 토사를 세정하여 유기물과 분리하기 위한 침사세정기, 인양된 토사를 수송하기 위한 이송콘베이어 및 스킵호이스트 그리고 토사 분리전 일시 저장하는 침사 호퍼와 콘테이너로 구성된다.The inlet is equipped with an inlet gate to control the incoming sewage, a sediment remover for lifting the sedimented sediment, a sediment washer for cleaning and removing the sediment from the sediment, and a transport for transporting the sediment. Consists of a conveyor, skip hoist, and sedimentation hopper and container for temporary storage before sedimentation.
유출부는 토사가 제거된 하수에서 협잡물을 분리하는 세목스크린, 분리된 협잡물을 제거하는 협잡물제거기, 협잡물을 이송하는 이송콘베이어, 협잡물을 수송하기 위한 스킵호이스트 및 호퍼 그리고 유출수문 등을 포함하고 있으며, 이물질이 제거된 하수는 하부에 형성된 유출수문을 통해 지하 2층의 최초침사지(2)로 방류된다.The effluent includes a detail screen for separating the sewage from the sewage from which the soil is removed, a debris remover for removing the separated sewage, a conveying conveyor for transporting the sewage, a skip hoist and a hopper for transporting the sewage, and a effluent gate. This removed sewage is discharged to the first settling basin (2) of the basement 2 floor through the outflow gate formed in the lower part.
최초침사지(2)는 지하 2층에 설치되며 유입부와 슬러지침전지와 하부에 형성된 유출수문으로 구성된다.The first settling basin (2) is installed on the second basement and consists of the inlet, the sludge sedimentation cell and the outflow sluice formed at the bottom.
유입부는 유입수문과, 유입수로에 설치되며 수로내 퇴적이 발생되지 않도록 수로포기를 수행하는 송기관과, 유입하수의 편류발생을 저지하는 저류벽과, 급류발생에 의한 효율저하를 방지하기 위한 유공정류벽이 규비되어 있다.The inlet is installed in the inlet gate, the inlet channel and the exhaust pipe to aerator to prevent sedimentation in the channel, the reservoir wall to prevent the inflow of sewage, and the inflow process to prevent the deterioration of efficiency due to the rapid. The walls are arranged.
슬러지침전부는 침전지 저부에 침전된 슬러지를 0.6m/분의 속도로 하수의 흐름과 반대 방향으로 이동하며 슬러지를 수집하는 체인 링크드플라이트(chain linked flight)형 슬러지수집기와, 슬러지를 임시 저장하는 슬러지호퍼와, 수집된 슬러지를 슬러지 농축조로 압송하는 슬러지펌프가 구비되어 있으며, 부유물질이 제거된 하수는 상부 일단에 형성되어 지하 3층으로 연결된 유출수문을 통해 포기조로 방류된다.Sludge sedimentation section is a chain linked flight type sludge collector which collects sludge and moves sludge deposited at the bottom of sedimentation basin at the speed of 0.6m / min and sludge hopper temporarily storing sludge. And, a sludge pump for transporting the collected sludge to the sludge thickening tank is provided, the sewage from which the suspended matter is removed is discharged to the aeration tank through the outflow water gate formed in the upper end is connected to the basement three floors.
포기조(3)는 지하 3층에 설비되어 부유물질이 제거된어 유입된 하수중의 콜로이드성 및 용해성 유기물을 조내에서 활동하는 미생물의 흡착에 의해 제거한다. 이는 플러그 플로우(plug flow)방식으로 운전되며 하수량 및 수질의 변동에 대처하기 위하여 경우에 따라 단계 포기방식이 가능하도록 설계되고, 차후의 인, 질소 제거를 위한 고도처리 공정의 도입시 변환 가능하도록 설계되어 있다. 포기조(3)는 다공성 산기관으로서 각 수로 유입부의 지관에 오리피스가 설치되고 전동 버터플라이 밸브에 의해 공기량이 조절되는 산기장치와, 산기 장치에 단위 용적당 0.02㎥/min의 공기를 주입하는 다단터보 송풍기를 포함하여 구성된다.The aeration tank 3 is installed in the basement 3 floor to remove colloidal and soluble organic substances in the sewage introduced by removing suspended solids by adsorption of microorganisms active in the tank. It is operated by plug flow method and designed to be able to give up step in some cases in order to cope with fluctuations of sewage and water quality, and to be convertible at the time of introduction of advanced treatment process for the removal of phosphorus and nitrogen It is. The aeration tank (3) is a porous diffuser, which has an orifice installed in the branch pipe of each channel inlet, and whose air amount is controlled by an electric butterfly valve, and a multistage turbo which injects 0.02 m3 / min of air per unit volume into the diffuser. It is configured to include a blower.
최종 침전지(4)는 포기조에서 유입된 하수중의 활성슬러지를 침강 분리하며, 분리된 활성 슬러지는 체인 링크드 플라이트(chain linked flight)식 수집기에 의해 수집되어 슬러지 펌프에 의해 슬러지 농축조로 압송시킨다.The final sedimentation basin 4 sediments and separates the activated sludge in the sewage introduced from the aeration tank, and the separated activated sludge is collected by a chain linked flight collector and sent to the sludge thickener by a sludge pump.
지상 공간에는 슬러지 저류조 및 2차 처리수조, 슬러지 농축 탈수 시설 및 사여과조, 슬러지 퇴비화 시설 및 여과수 수조 그리고 처리수 재활용 시설이 수문으로 연결되며 하향으로 연속 배치되어 있다.In the above ground space, sludge storage tanks and secondary treatment tanks, sludge thickening and dewatering facilities, and filtration tanks, sludge composting facilities and filtered water tanks, and treated water recycling facilities are connected by hydrological and are arranged downwardly.
여기에서, 최상층에 설치되는 2차 처리수조(5)는 최종 침전지(4)를 거쳐 이송 펌프에 의해 유입된 하수에 자외선을 조사하여 하수내에 포함되어 있는 병원균을 살균 처리한다.Here, the secondary treatment water tank 5 installed on the uppermost layer sterilizes pathogens contained in the sewage by irradiating ultraviolet light to the sewage introduced by the transfer pump via the final sedimentation basin 4.
2차 처리수조(5)가 설치된 층에는, 최초 침전지(2)와 최종 침전지(4)로부터 압송된 슬러지를 슬러지 탈수기(9)에 투입하기 전에 일시 저류하며 슬러지의 침강부패를 방지하기 위한 교반기가 구비된 슬러지 저류조(8)가 형성되어 있다.In the layer in which the secondary treatment tank 5 is installed, a stirrer for temporarily storing the sludge conveyed from the first settling basin 2 and the final settling basin 4 into the sludge dehydrator 9 and preventing the sludge from settling corruption The provided sludge storage tank 8 is formed.
슬러지 농축 탈수 시설(9)은 상기 슬러지 저류조 및 2차 처리수조층의 하부에 설치되며, 슬러지 저류조(8)에서 유출된 슬러지를 원심력을 이용해 농축하는 원심농축기와, 농축된 슬러지를 분리하여 연속 배출시키는 스크류가 구비되며, 슬러지 탈수기는 농축 분리된 슬러지로부터 수분을 최종 분리하여 고압 벨트 프레스(belt-press)형 탈수시가 사용된다.The sludge concentrate dewatering facility (9) is installed at the lower portion of the sludge storage tank and the secondary treatment tank layer, and a centrifugal condenser for condensing the sludge discharged from the sludge storage tank (8) by centrifugal force, and the concentrated sludge is discharged continuously. The sludge dehydrator is used for high pressure belt press type dehydration by finally separating water from the concentrated sludge.
슬러지 농축 탈수시설(9)을 거쳐 이송된 슬러지는 아래층에 형성된 슬러지 퇴비화시설(10)로 유입되어 지렁이 분해 등의 방법을 통해 최종처리됨으로써 비료로서 재활용되게 된다.The sludge conveyed through the sludge concentrate dewatering facility 9 is introduced into the sludge composting facility 10 formed in the lower layer and is finally treated by a method such as earthworm decomposition, thereby being recycled as a fertilizer.
사여과조(6)는 상기 슬러지 농축 탈수시설(9)와 동일층에 설치되며 2차 처리된 하수를 중력식 여과장치에서 최종 처리하여 이를 재활용하기 위한 단계로 사여과조(6)내의 수위와 유출수 수위의 수두차를 이용한 여과방식으로 수행한다.Filtration tank (6) is installed on the same floor as the sludge concentrated dewatering facility (9) and is a step for the final treatment of the second treated sewage in a gravity filtration device to recycle it. It is carried out by filtration method using water head tea.
사여과조(6)에서 최종 처리된 처리수는 아래층에 형성된 여과수 수조(7)에 저장되며 여과수 수조(7)하부에 형성된 처리수 재활용 시설(11)에서 재활용된다.The treated water finally treated in the filtration tank 6 is stored in the filtered water tank 7 formed in the lower layer and recycled in the treated water recycling facility 11 formed under the filtered water tank 7.
즉, 복합빌딩내에 물을 다량으로 필요로 하는 주차 및 세차시설 또는 화훼재배 및 판매단지를 조성하여 사여과조(6)에서 최종처리되어 수조(7)에 저장된 여과수를 재활용하게 한다.That is, a parking and car wash facility or a flower cultivation and sales complex that requires a large amount of water in the complex building is recycled in the filtration tank 6 to be finally processed and recycled in the water tank 7.
이러한 수직 배치식 하수처리 및 처리수 재활용 복합빌딩에는 각 층마다 카메라 및 센서가 설치되어 각 층별 현황을 지상 1층에 설치된 중앙관리 통제소에서 모니터링하여 일률적으로 제어하는 빌딩 제어 시스템(I.B.S)이 제공됨으로써 각 공정별 유입수문 및 유출수문의 개폐, 이송펌프의 작동, 각종 기계장치의 운전 등 전 공정이 자동 제어되며, 지하공간과 지상공간을 신속히 왕래할 수 있도록 설치된 고속 승강기 등이 구비되어 있다.In this vertical batch sewage treatment and treatment water recycling complex building, cameras and sensors are installed on each floor to provide a building control system (IBS) that monitors and uniformly controls the status of each floor by the central control station installed on the ground floor. All processes including automatic opening and closing of inflow and outflow gates, operation of transfer pumps, and operation of various mechanical devices for each process are automatically controlled, and high-speed elevators are installed to quickly travel between underground and ground spaces.
전술한 제1도를 참조하여 하수처리 및 처리수 재활용 방법을 아래에서 상세히 설명한다.The sewage treatment and treated water recycling method will be described in detail below with reference to FIG. 1.
지상 공간 및 지하 공간으로 이루어진 하수처리 및 처리수 재활용 시스템내의 지하 공간내의 침사지(1)내로 유입된 하수는 유입부에서 토사가 제거되고 유출부에서 각종 협잡물이 제거되어 토사 및 협잡물은 제거기에 의해 외부로 이송되고 처리수는 유출수문을 거쳐 최초 침전지로 방류된다.The sewage flowing into the sedimentation basin (1) in the underground space in the sewage treatment and treated water recycling system consisting of aboveground and underground space is removed from the inlet and various debris is removed from the inlet. The treated water is discharged to the initial settling basin through the outflow gate.
최초 침전지(2)로 유입된 하수는 자연 침강에 의한 부유물질을 분리 제거하고 유출수문을 통해 포기조(3)로 방류된다.The sewage flowing into the initial sedimentation basin (2) is separated from the suspended solids by natural sedimentation and discharged into the aeration tank (3) through the outflow gate.
포기조(3)로 유입된 하수는 조내에 포함되어 있는 미생물에 의해 콜로이드성 및 용해성 유기물이 분리 제거되고 유출수문을 거쳐 최종 침전지(4)로 방류된다.The sewage flowing into the aeration tank 3 is separated and removed by colloidal and soluble organic matter by microorganisms contained in the tank and discharged to the final sedimentation basin 4 through the outflow water gate.
최종 침전지(4)로 유입된 하수는 자연 침강에 의해 활성슬러지가 분리 제거되어 슬러지는 슬러지 농축조(9)로 압송되고 처리수는 펌프에 의해 2차 처리수조로 이송되어 유입된 하수의 1차 처리 단계에 완료한다.The sewage flowing into the final sedimentation basin (4) is separated and removed by activated sludge by natural sedimentation, and the sludge is sent to the sludge thickening tank (9), and the treated water is transferred to the secondary treatment tank by a pump and the first treatment of the sewage introduced Complete in steps.
1차 처리단계가 완료된 하수는 중앙관리 통제실의 제어 명령에 따라 슬러지 압송 펌프와 하수 이송 펌프에 의해 지상 공간의 최상층 슬러지 저류조(8)와 2차 처리수조로 압송된다.The sewage after the first treatment step is completed is sent to the uppermost sludge storage tank 8 and the secondary treatment tank in the ground space by the sludge pump and the sewage pump according to the control command of the central management control room.
압송 단계가 완료된 하수는 시스템의 지상 공간내의 최상층에 설치된 2차 처리수조(5)내에서 자외선 조사에 의해 병원균이 살균되고, 압송된 슬러지는 슬러지 저류조(8)에서 슬러지 농축 탈수기(9)내로의 투입 대기 상태가 된다.The sewage in which the feeding step is completed is sterilized by pathogens by ultraviolet irradiation in the secondary treatment tank 5 installed on the uppermost floor in the ground space of the system, and the conveyed sludge is transferred from the sludge storage tank 8 into the sludge concentration dehydrator 9. The input waits.
슬러지 농축 탈수시설(9)내로 압송된 슬러지는 원심 농축기와 고압벨트 프레스(belt-press)에 의해 농축 탈수되고, 2차 처리수조에서 이송된 처리수는 사여과조(6)내의 수위와 유출 수위와의 수두차에 의한 여과방법으로 최종 처리되어 2차 처리단계를 완료한다.The sludge conveyed into the sludge concentrate dewatering facility 9 is concentrated and dewatered by a centrifugal concentrator and a high-pressure belt press, and the treated water transferred from the secondary treatment tank is filled with the water level and the outflow water level in the filtration tank 6. The final treatment is completed by the method of filtration by the difference between the head of the head.
슬러지 농축 탈수시설(9)을 거쳐 압송된 슬러지는 슬러지 퇴비화시설(10)에서 재처리되어 각종 작물의 퇴비로 재사용되며, 사여과조(6)에서 최종 처리된 처리수는 여과수 수조(7)에 저장되어 아래층의 처리수 재활용 시설(11)에 설치된 급수 장치에 의해 주차 및 세차시설이나 화훼 원예 단지가 조성된 지역에 파이프 라인을 통해 공급되어 처리수 재활용 단계가 수행된다.The sludge conveyed through the sludge thickening dehydration facility (9) is reprocessed in the sludge composting facility (10) and reused as compost of various crops, and the final treated water in the filtration tank (6) is stored in the filtered water tank (7). Then, the water supply device installed in the treatment water recycling facility 11 on the lower floor is supplied to the area where the parking and car wash facility or flower gardening complex is formed through the pipeline to perform the treatment water recycling step.
이상과 같은 구성의 본 발명의 하수처리 및 처리수 재활용 시스템과 재활용 방법에 의하여, 하수처리장에 소요되는 토지의 면적을 대폭 감소시켜 도심지 내에서도 처리장을 설치할 수 있게 하고, 가정과 하수처리장 사이의 거리를 줄임으로써 하수 배관의 비용을 절감시키며, 처리되지 않은 하수의 방류를 줄일 수 있게 된다.By the sewage treatment and treatment water recycling system and recycling method of the present invention as described above, the land area required for the sewage treatment plant can be significantly reduced, so that the treatment plant can be installed even in urban areas, and the distance between the home and the sewage treatment plant is reduced. This can reduce the cost of sewage piping and reduce the discharge of untreated sewage.
또한, 하수 처리장이 도심내에 건설되기 때문에 건물내에 주차 및 세차시설 또는 화훼재배 및 판매시설 등의 처리수 재활용 시설을 설치하여 처리수를 재활용할 수 있게 되고, 소방수 또는 건물의 화장실용수로도 사용될 수 있는 기회가 제공된다. 또한 본 발명에 따른 복합빌딩에 화훼재배 및 판매시설을 설치할 경우 하수의 슬러지를 처리하여 얻은 영양분이 풍부한 비료를 동일 건물내에서 재활용할 수 있게 된다.In addition, because the sewage treatment plant is constructed in the city center, it is possible to recycle the treated water by installing treatment water recycling facilities such as parking and car wash facilities or flower cultivation and sales facilities in the building, and can be used as fire water or toilet water for buildings. Opportunities are provided. In addition, when installing a flower cultivation and sales facilities in the complex building according to the invention it is possible to recycle the nutrient-rich fertilizer obtained by treating the sludge of sewage in the same building.
Claims (5)
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|---|---|---|---|
| KR1019960007802A KR0158099B1 (en) | 1996-03-22 | 1996-03-22 | Method and system for sewage treatment from a thickly populated area in city and reuse of treatment water |
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| KR1019960007802A KR0158099B1 (en) | 1996-03-22 | 1996-03-22 | Method and system for sewage treatment from a thickly populated area in city and reuse of treatment water |
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| KR0158099B1 true KR0158099B1 (en) | 1998-11-16 |
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