KR960031350A - Sewage denitrification and derinsing device - Google Patents

Sewage denitrification and derinsing device Download PDF

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KR960031350A
KR960031350A KR1019950003666A KR19950003666A KR960031350A KR 960031350 A KR960031350 A KR 960031350A KR 1019950003666 A KR1019950003666 A KR 1019950003666A KR 19950003666 A KR19950003666 A KR 19950003666A KR 960031350 A KR960031350 A KR 960031350A
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oxygen
pipe
water
tank
oxygen supply
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KR1019950003666A
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KR0137306B1 (en
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김병렬
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김영윤
주식회사 도화종합기술공사
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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
    • C02F3/12Activated sludge processes
    • C02F3/14Activated sludge processes using surface aeration
    • C02F3/16Activated sludge processes using surface aeration the aerator having a vertical axis
    • 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
    • C02F3/12Activated sludge processes
    • C02F3/20Activated sludge processes using diffusers
    • C02F3/205Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • 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
    • C02F3/28Anaerobic digestion processes
    • 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
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/305Nitrification and denitrification treatment characterised by the denitrification
    • 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
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/308Biological phosphorus removal

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

본 발명은 혐기조(10)와 무산소조(20) 및 호기조(30)로 구성되는 하수처리조에 적용되어 수중의 활성오니아 산소에 의해 BOD 부호와 질소 및 인을 제거하는 하수 처리장치에 관한 것으로, 특히 호기조(30)내에 설치되는 회류식 산소포기장치(50)를 이용하여 산호의 포기효율 및 이용효율을 현저히 증대시킴과 아울러, 호기조(30)의 내부 수중에서 상징수의 분리작용과 오니의 침강작용이 이루어지게 함으로써, 하수의 BOD 부하의 질소 및 인의 제거효율을 월등히 향상시키고, 미용해 산호의 회수를 위한 밀폐식 포기시설 및 오니의 침전을 위한 별도 침전지의 사용을 배제할 수 있게 한 하수의 탈질(脫窒) 및 탈린(脫燐) 장치에 관한 것이다.The present invention relates to a sewage treatment apparatus which is applied to a sewage treatment tank composed of an anaerobic tank (10), an anoxic tank (20) and an aerobic tank (30) to remove the BOD code, nitrogen, and phosphorus by active onion oxygen in water. The recirculation type oxygen aeration device 50 installed in the aerobic tank 30 significantly increases the aeration efficiency and utilization efficiency of corals, and separates the symbolic water from the internal water of the aerobic tank 30 and setstles the sludge. This significantly improves the removal efficiency of nitrogen and phosphorus in sewage BOD loads, and denitrification of sewage, which makes it possible to eliminate the use of closed aeration facilities for the recovery of undissolved corals and separate sedimentation basins for sedimentation. And (b) an apparatus for Tallinn.

Description

하수의 탈질 및 탈린장치Sewage denitrification and derinsing device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

BOD 부하의 제거와 탈린공정의 전단계 작용을 행하는 혐기조(10)와, 탈질균에 의한 탈질작용을 행하는 무산소조(20)와, 포기장치 설치되는 호기조(30)로 된 하수처리장치에 있어서, 상기 호기조(30)의 바닥부에 설치되어 호기조(30)의 수중에 일정방향으로의 수류를 형성하는 수류발생장치(40)와; 상기 호기조(30)의 외부에 설치된 산소발생장치(51)로부터 공급되는 산소를 호기조(30)의 수중에 수직방향으로 배치되는 다수개 포기관(55)의 내부로 공급하여, 각 포기관(55)의 관체내에 발생되는 흡인력에 의해 포기관(55)의 내부에서 원수의 순환 회류 및 산소의 용해가 이루어지게 함과 아울러 호기조(30)의 수중 상부와 하부를 청징영역(P)과 침전영역(D)으로 분리시키게 되는 회류식 산소포기장치(50)와; 상기 회류식 산소포기장치(50)가 설치되지 않은 호기조(30)의 하부 일측에 격벽(61)으로 구획되어 호기조(30)의 수중에서 침강하는 오니를 수집하는 오니 농축부(60)를 구비하여 구성됨을 특징으로 하는 하수의 탈질 및 탈린장치.In the sewage treatment apparatus which consists of the anaerobic tank 10 which performs the BOD load removal and the preliminary process of a delineation process, the anoxic tank 20 which performs denitrification by denitrification bacteria, and the aerobic tank 30 provided with aeration apparatus, the said aerobic tank A water flow generating device 40 installed at the bottom of the water 30 to form a water flow in a predetermined direction in the water of the aerobic tank 30; Oxygen supplied from the oxygen generator 51 installed outside the exhalation tank 30 is supplied to the inside of the plurality of exhaust pipes 55 arranged in the vertical direction in the water of the exhalation tank 30, and each of the air pipes 55 The circulation force of the raw water and the dissolution of oxygen are generated in the air inlet pipe 55 by the suction force generated in the tubular body, and the upper and lower portions of the aerobic tank 30 are clarified area (P) and precipitation area. (D) a circulating oxygen aeration device 50 to be separated; The sludge condenser concentrator 60 collects sludge settled in the water of the exhalation tank 30 by partitioning the partition 61 at a lower side of the exhalation tank 30 in which the flow-type oxygen aeration device 50 is not installed. Sewage denitrification and desalination apparatus, characterized in that configured. 제1항에 있어서, 상기 수류발생장치(40)로 무산소조(20)의 원수를 호기조(30)내에 공급하는 원수 유입본관(31)의 배출단부에 다수개의 노즐(42)이 일정방향으로 설치된 수개의 분배관(41)을 방사상으로 배치하여서 된 하수의 탈질 및 탈린장치.According to claim 1, wherein the plurality of nozzles 42 are installed in a predetermined direction at the discharge end of the raw water inlet main pipe 31 for supplying the raw water of the oxygen-free tank 20 into the aerobic tank 30 by the water flow generator 40 A denitrification and desalination apparatus for sewage by radially arranging two distribution pipes (41). 제1항에 있어서, 회류식 산소포기장치(50)는 상기 산소발생장치(51)로부터 발생되는 산소를 호기조(30)의 수중에 배치되는 다수의 산소공급지관(54)을 통하여 수중에 공급하고 잉여산소를 회수하여 재공급하는 산소 공급 및 회수수단과; 상기 산소공급수단의 각 산소공급지관(54)을 감싸는 관체의 형태로 각 산소공급지관(54)의 외부레 설치되어, 그 산소 공급지관(54)으로부터 공급되는 산소기포의 부상에 의해 발생되는 흡인력으로 호기조(30)내의 원수를 관체의 내부로 흡입하는 포기관(55)과; 복수개 포기관(55)의 상부를 상호 연결하는 연결관(56)의 중간부에 연결설치되어 각 포기관(55)을 통해 상승하는 원수를 모아 호기조(30)의 수중 하부로 순환 토출시키는 순환수토출관(57)으로 구성되는 하수의 탈질 및 탈린장치.The method of claim 1, wherein the flow-type oxygen aeration device 50 supplies the oxygen generated from the oxygen generating device 51 in the water through a plurality of oxygen supply pipes (54) disposed in the water of the aeration tank (30) Oxygen supply and recovery means for recovering and resupplying excess oxygen; A suction force generated by the rise of oxygen bubbles supplied from the oxygen supply support pipe 54 is installed outside the oxygen supply support pipe 54 in the form of a tube surrounding each oxygen supply support pipe 54 of the oxygen supply means. And the air pipe 55 to suck the raw water in the exhalation tank 30 into the inside of the tube; Circulating water installed in the middle portion of the connecting pipe 56 interconnecting the upper portions of the plurality of air pipes 55 to collect raw water rising through each air pipe 55 and circulate and discharge the water to the lower portion of the aerobic tank 30. A denitrification and desalination apparatus for sewage composed of a discharge tube (57). 제3항에 있어서, 상기 산소공급 및 회수수단의 산소공급수단은 산소 발생장치(51)로부터 공급되는 순산소를 호기조(30)의 상부로 공급하기 위한 복수열의 산소공급관(53)을 호기조(30)의 상부에 걸쳐 등간격으로 배치하고, 각 산소공급관(53)에는 상기 포기관(55)의 내부에 배치되는 다수개의 산소공급관(54)이 그 산소공급관(53)의 길이방향에 따라 등간격으로 연결 설치되며, 각 산소공급지관(54)의 하단부에는 산기구(54A)를 구비하여서 된 하수의 탈질 및 탈린장치.The oxygen supply means (30) according to claim 3, wherein the oxygen supply means of the oxygen supply and recovery means includes a plurality of rows of oxygen supply pipes (53) for supplying pure oxygen supplied from the oxygen generator (51) to the upper portion of the aeration tank (30). Are arranged at equal intervals over the upper part of each of the plurality of oxygen supply pipes 53, each of the plurality of oxygen supply pipes 54 disposed inside the bubbler 55 is equally spaced along the longitudinal direction of the oxygen supply pipe 53. It is connected to the installation, the lower end of each oxygen supply support pipe (54) is provided with an acid mechanism (54A) sewage denitrification and desalination apparatus. 제3항에 있어서, 상기 산소공급 및 회수수단의 산소회수수단은 상기 복수개 포기관(55)의 상단부가 산소반송지관(59A)(59B)을 통해 산소반송본관(59)에 연결되며, 그 산소반송본관(59)의 배출구는 상기 산소발생장치(51)와 블로어(52)사이에 설치된 산소흡입관(53A)에 연결되는 하수의 탈질 및 탈린장치.The oxygen recovery means of the oxygen supply and recovery means is the upper end of the plurality of air pipes 55 is connected to the oxygen transport main pipe 59 through the oxygen transport pipe (59A) 59B, the oxygen The discharge port of the conveying main pipe (59) is a denitrification and desalination apparatus for sewage connected to an oxygen suction pipe (53A) installed between the oxygen generator (51) and the blower (52). 제3항에 있어서, 상기 포기관(55)은 상기 각 산소공급지관(54)을 감싸는 형태로 배치되는 포기관(55)의 내주벽과 그 내부 산소공급지관(54)의 외주벽 사이에 상기 산기구(54A)에서 배출되는 산소가 부상될 수 있는 상승유로(55C)가 형성되고, 호기조(30)의 바닥면(30A)에 근접 설치되는 각 포기관(55)의 하단부에는 상기 산기구(54A)가 내장되는 확장부(55A)가 형성되며, 그 확장부(55A)의 하부 및 측벽에는 호기조(30)의 수중 하부의 원수를 흡입하는수개의 흡입구(55B) 및 호기조(30)의 수중 상층부의 원수를 흡입하기 위한 복수개의 원수 흡입관(58)이 각각 연결 설치된 하수의 탈질 및 탈린장치.The method of claim 3, wherein the gas pipe 55 is disposed between the inner circumferential wall of the air pipe 55 and the outer circumferential wall of the internal oxygen supply pipe 54 disposed to surround each of the oxygen supply pipes 54. An upward flow path 55C through which the oxygen discharged from the air diffuser 54A may float is formed, and the air diffuser (at the lower end of each air inlet pipe 55 installed near the bottom surface 30A of the aerobic tank 30) An extension portion 55A in which 54A is built-in is formed, and several suction ports 55B for inhaling raw water in the lower portion of the exhalation tank 30 and the underwater portion of the exhalation tank 30 are formed in the lower portion and the side wall of the expansion portion 55A. Denitrification and desalination apparatus for sewage, each of which has a plurality of raw water suction pipes 58 connected to suction raw water from an upper layer, respectively. 제6항에 있어서, 상기 원수흡입관(58)은 포기관(55)을 중심으로 배치되는 각 관체의 상단부에 호퍼형 원수흡입구(58A)가 각각 구비되고, 각 원수 흡입구(58A)의 개구부는 호기조(30)의 수면(HWL)으로부터 일정깊이만큼 떨어진 위치에서 상향 개방되어 그 각 원수 흡입구(58A)의 상부에 상기 청칭영역(P)과 침천영역(D)을 구획하는 계면(B)을 형성하게 되는 하수의 탈질 및 탈린장치.The raw water suction pipe (58) is provided with a hopper type raw water suction port (58A) at an upper end of each tube disposed around the tracheal pipe (55), and the opening of each raw water suction port (58A) is an aerobic tank. And upwardly open at a predetermined depth away from the water surface HWL of 30 so as to form an interface B partitioning the clarification region P and the immersion region D on top of each raw water inlet 58A. Denitrification and desalination of sewage. 제3항에 있어서, 상기 순환수토출관(57)은 상기 각 포기관(55)의 사이에 배채되는 수직관체의 상단부가 복수개 포기관(55)의 상단부를 상호 연결하는 연결관(56)의 중간부에 각각 연결되고, 호기조(30)의 바닥면(30A)에 근접 배치되는 순화수토출관(57)의 하단부에는 상협하광형 토출구(57A)가 형성된 하수의 탈질 및 탈린장치.According to claim 3, The circulating water discharge pipe 57 of the connecting pipe 56 interconnects the upper end of the plurality of air pipes 55 of the upper end of the vertical pipe that is disposed between each of the air pipes 55 A denitrification and desalination apparatus for sewage, each connected to an intermediate portion, and having an upper and lower light discharge outlet 57A formed at a lower end of the purified water discharge pipe 57 disposed close to the bottom surface 30A of the aerobic tank 30. 제1항에 있어서, 상기 오니 농축부(60)는 격벽(61)에 의해 구획되는 오니 농축부(61)의 일측에 오니를 흡입하기 위한 오니흡입관(62)이 설치되고, 호기조(30)의 외부로 노출된 상기 오니흡입관(62)의 배출단부에는 반송오니펌프(63)가 설치되며, 그 반송오니펌프(63)의 출구측에는 상기 혐기조(10)로 연결되는 반송오니토출관(64) 및 잉여오니의 배출을 위한 잉여오니관(55)이 각각 연결 설치된 하수의 탈질 및 탈린장치.According to claim 1, The sludge concentration unit 60 is provided with a sludge suction pipe 62 for sucking sludge on one side of the sludge concentration unit 61 is partitioned by the partition wall 61, of the aerobic tank (30) A return sludge pump 63 is installed at the discharge end of the sludge suction pipe 62 exposed to the outside, and a return sludge discharge pipe 64 connected to the anaerobic tank 10 at an outlet side of the return sludge pump 63 and Sewage denitrification and dephosphorization apparatus connected to each of the surplus sludge pipe (55) is installed for the discharge of surplus sludge. 제1항에 있어서, 상기 호기조(30)의 내주벽 상측부에는 수면부(HWL)의 상징수가 유입되는 일류위어(35)가 호기조(30)의 내주벽을 따라 설치되고, 그 일류위어(35)의 일측에는 내부에 유입된 상징수로 외부로 인출하기 위한 상징수 인출관(36)를 구비하여서 된 하수의 탈질 및 탈린장치.According to claim 1, First class weir (35) into which the symbol water of the water surface (HWL) flows in the upper portion of the inner circumferential wall of the exhalation tank 30 is installed along the inner circumference wall of the exhalation tank (30), the first weir (35). On one side of the sewage denitrification and dephosphorization apparatus provided with a symbol water withdrawal pipe 36 for withdrawing to the outside as the symbol water introduced into the inside. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR95003666A 1995-02-24 1995-02-24 Apparatus for denitrification and dephosphorization of sewage KR0137306B1 (en)

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KR100489328B1 (en) * 2003-03-21 2005-05-17 주식회사 라파텍 System and method for wastewater treatment using partition type anoxic basin and membrane basin
CN109133496B (en) * 2018-08-01 2020-10-23 江苏康源环保科技有限公司 Efficient dephosphorization and denitrification treatment process for domestic sewage

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