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KR100583904B1 - Wastewater Advanced Treatment System - Google Patents

Wastewater Advanced Treatment System
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KR100583904B1
KR100583904B1KR1020030061308AKR20030061308AKR100583904B1KR 100583904 B1KR100583904 B1KR 100583904B1KR 1020030061308 AKR1020030061308 AKR 1020030061308AKR 20030061308 AKR20030061308 AKR 20030061308AKR 100583904 B1KR100583904 B1KR 100583904B1
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wastewater
aeration
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sludge
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강경범
강필성
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강경범
강필성
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Abstract

Translated fromKorean

본 발명은 오ㆍ폐수 처리 시스템 및 오ㆍ폐수 처리방법에 관한 것으로, 특히 분뇨를 포함하는 생활하수, 축산폐수 나아가서 산업폐수등의 오ㆍ폐수를 자연계의 자정원리 즉 호기성 및 혐기성 미생물이나 기타 미생물을 이용하여 산화 분해하는 생물학적 오ㆍ폐수 처리 시스템 및 처리방법에 관한 것이다.The present invention relates to a wastewater treatment system and a wastewater treatment method, and in particular, sewage and wastewater, such as living sewage, livestock wastewater, and industrial wastewater containing manure, The present invention relates to a biological wastewater treatment system and a treatment method for oxidative decomposition.

본 발명은 통상 오ㆍ폐수를 유입하고 이를 침전 분리하는 침전분리조와 침전분리조의 중간수를 이송, 보관하는 유량조정조와 미생물로 유기물을 산화 분해하는 폭기조와 미생물에 의해 분해된 오니(슬러지)를 침전, 여과하는 침전조와 소독 방류하는 소독 방류조등의 다단계의 반응조로 오ㆍ폐수를 생물학적으로 분해하는 수처리 시스템에 있어서, 침전분리조로부터 걸러진 처리수 즉, 중간수를 유량조정조로 유입하고, 유량조정조의 처리수를 무산소조를 중심으로 전방폭기조인 제1, 제2폭기조와 후방폭기조인 제3, 제4폭기조로 이송하면서 처리하며, 그 후 침전조 및 안정조 소독방류조를 거쳐 처리하는 한편, 상기 제2폭기조를 거친 처리수 일부를 무산소조로 이동하며, 유량조정조의 처리수를 무산소조로 일부 이송하는 이송관을 구비하며, 제1, 제2, 제3, 제4폭기조 하방 슬러지를 탈질조로 반송하는 반송관을 가지며, 침전조의 침전물을 슬러지 탈질조로 이송되는 반송관을 구비하며, 상기 각각의 폭기조 내측에는 통상의 산기관과 접촉여재를 구비하되 그물망으로 상,하를 분리하여 상방에는 호기상 미생물이 하방에는 혐기성 미생물이 동시에 처리수를 산화 처리하여 오ㆍ폐수를 처리토록 하는 것이다.The present invention is usually settled sedimentation tank for introducing the sewage and waste water and sedimentation tank for transporting and storing the intermediate water of the sedimentation tank and aeration tank for oxidizing and decomposing organic matter into microorganisms and sludge (sludge) decomposed by microorganisms In a water treatment system that biologically decomposes wastewater and wastewater in a multi-stage reaction tank, such as a filtration sedimentation tank and a disinfection discharge disinfection tank, the treated water, ie, intermediate water, filtered from the sedimentation separation tank is introduced into the flow control tank. The treated water of the treatment tank is transferred to the first and second aeration tanks and the third and fourth aeration tanks, which are centered on the anaerobic tank, and then processed through the settling tank and the stabilization tank disinfection tank, and A portion of the treated water that has passed through the two aeration tanks is moved to an anaerobic tank, and has a transfer pipe for partially transferring the treated water of the flow adjusting tank to the anoxic tank. And a conveying pipe for conveying the third and fourth aeration tanks below the sludge to the denitrification tank, and having a conveying pipe for transporting the sediment of the sedimentation tank to the sludge denitrification tank, and having a normal diffuser and a contact medium inside each aeration tank. By separating the upper and lower parts, the aerobic microorganisms in the upper part and the anaerobic microorganisms in the lower part simultaneously oxidize the treated water to treat the wastewater and wastewater.

Description

Translated fromKorean
오ㆍ폐수 고도처리 시스템{High intergated Biological Nutrient Removal System}High intergated Biological Nutrient Removal System

도1 - 본 발명에 있어서 수처리 과정을 단계별로 도시한 공정도.1 is a process chart showing the water treatment step by step in the present invention.

도2 - 본 발명을 적용한 수처리시설의 평단면도.2 is a plan sectional view of a water treatment plant to which the present invention is applied.

도3 - 본 발명에 있어서 폭기조의 개략단면도.3 is a schematic cross-sectional view of the aeration tank in the present invention.

본 발명은 오ㆍ폐수 고도처리 시스템에 관한 것으로, 구체적으로는 분뇨를 포함하는 생활하수, 축산폐수 나아가서 산업폐수등의 오ㆍ폐수를 자연계의 자정원리, 즉 호기성, 혐기성 및 임의의 미생물을 이용하여 산화 분해하여 오ㆍ폐수를 처리하는 오ㆍ폐수 고도처리 시스템 및 오ㆍ폐수 처리방법에 관한 것이다.The present invention relates to an advanced wastewater and wastewater treatment system. Specifically, wastewater, such as domestic sewage, livestock wastewater, and industrial wastewater, including manure, is used by using the self-cleaning principle of nature, namely, aerobic, anaerobic and arbitrary microorganisms. The present invention relates to an advanced wastewater treatment system and a wastewater treatment method for treating wastewater by oxidative decomposition.

미생물에 의해 오ㆍ폐수를 처리하는 수처리 장치의 일반적인 구조는 오ㆍ폐수를 유입하고, 유입된 오ㆍ폐수를 부패 침전하는 부패조를 가지며, 부패조의 상등수를 일시적으로 저장하는 유량조정조와 미생물을 활성시켜 처리수중의 유기물을 분해하는 폭기조와 폭기조에서 미생물에 의해 산화 분해된 슬러지(오니)를 침전하 는 침전조 및 여과조와 약품 또는 자외선 살균장치에 의해 살균 소독한 후 방류하는 소독조 및 방류조등의 처리공정을 통해 오ㆍ폐수를 처리하게 된다.The general structure of the water treatment device that treats waste and wastewater by microorganisms has a decay tank that introduces the sewage and wastewater, and decays and sediments the introduced sewage, and activates a flow control tank and microorganisms to temporarily store the supernatant water of the decay tank. Treatment of aeration tanks and discharge tanks to disintegrate organic matter in the treated water, and to settle and sterilize the sludge (sludge) oxidized and decomposed by microorganisms in the aeration tank, and to disinfect them after disinfection by chemical or UV sterilizer. Wastewater is treated through the process.

이와 같은 종래의 오ㆍ폐수 처리시설 또는 오ㆍ폐수 처리공정에 있어서는 처리수내의 부영양화의 원인이 되고 있는 인이나 질소를 처리 분해하는데 미흡한 점을 가지며, 폭기장치로부터 원활히 공기(산소)를 공급하지 못함으로 인해 처리시간이 길어지게 되며, 완벽히 오ㆍ폐수를 처리 하지 못하는 것을 볼 수 있다.In such a conventional wastewater treatment facility or wastewater treatment process, it is insufficient to treat and decompose phosphorus and nitrogen which cause eutrophication in the treated water, and does not supply air (oxygen) smoothly from the aeration device. Due to this, the treatment time becomes long, and it can be seen that the wastewater cannot be completely treated.

본 발명은 오ㆍ폐수의 처리에 있어서 빠른시간내에 오ㆍ폐수를 처리함과 동시에 오ㆍ폐수중의 질소나 인을 효과적으로 분해토록 하기 위해 안출된 것이다.The present invention has been made to treat waste and wastewater within a short time in the treatment of waste and wastewater and to effectively decompose nitrogen and phosphorus in the waste and wastewater.

오ㆍ폐수중의 질소나 인을 처리하기 위해 종래 사용하는 방법으로는 물리화학적 처리방법과 생물학적 처리방법이 있다.Conventionally used methods for treating nitrogen and phosphorus in wastewater include physicochemical treatment and biological treatment.

물리화학적 처리방법은 폐수중의 수소이온농도를 상승시키면서 공기를 주입하여 질소를 암모니아 상태로 발생시키는 방법과 이온 교환 물질을 사용한 선택적 흡착방법으로 질소를 처리하고 소석회등의 응집제를 사용하여 인을 침전 처리시키는 방법등이 있다.The physicochemical treatment method involves injecting air while raising the concentration of hydrogen ions in the wastewater and generating nitrogen in the ammonia state, and treating the nitrogen by selective adsorption using ion exchange material and precipitating phosphorus using flocculant such as slaked lime. There is a method of processing.

그러나 이와 같은 방법으로는 소요약품 비용이 과다하게 소요되는 단점이 있다.However, this method has a disadvantage in that excessive drug costs are required.

반면 생물학적 처리방법으로는 자연계에 존재하는 미생물, 즉 호기성, 염기성 및 기타 미생물을 이용하여 오ㆍ폐수를 산화 분해하여 처리하는 것으로, 다단계의 반응조, 즉 다단계의 생물학적 반응과정을 거쳐 오ㆍ폐수를 처리하게 된다.On the other hand, biological treatment is oxidative decomposition of wastewater using microorganisms existing in nature, namely, aerobic, basic and other microorganisms, and the wastewater is treated through a multi-stage reactor, that is, a multistage biological reaction process. Done.

본 발명은 오ㆍ폐수를 처리함에 있어서 생물학적 처리과정을 통해 처리하되 특히 오ㆍ폐수중의 질소와 인을 효과적으로 제거하는 수처리 방법 및 수처리 시스템을 제공토록 하는 것이다.The present invention is to provide a water treatment method and a water treatment system for treating the waste water through biological treatment process, in particular to effectively remove nitrogen and phosphorus in the waste water.

본 발명은 자연계에 존재하는 혐기성, 호기성 및 임의의 미생물에 의해 오ㆍ폐수를 산화 분해하는 생물학적 처리방법에 관한 것으로, 오ㆍ폐수의 처리시간 단축과 오ㆍ폐수중에 포함된 인이나 질소등의 부영양화 물질을 효율적으로 제거하는 수처리 시설 및 수처리 방법을 제공하기 위해 개발된 것이다.The present invention relates to a biological treatment method for oxidatively decomposing wastewater by anaerobic, aerobic, and any microorganisms present in nature, and to shorten the treatment time of wastewater and to eutrophicate phosphorus and nitrogen contained in the wastewater. It was developed to provide a water treatment facility and a water treatment method for efficiently removing substances.

본 발명은 침전분리조에서 고형 유기물을 침전 분리하며, 용존상태의 암모니아성 질소와 유기물 형태의 질소를 폭기조의 호기성 조건에서 호기성 미생물로 질산화 시키고, 질산염을 무산소 조건하에서 탈질하며, 인을 처리하는 방법으로는 오ㆍ폐수를 혐기성 조건상태와 호기성 조건상태로 교대로 유지시켜, 혐기성 조건하에서는 미생물로부터 인을 방출시키고 후속되는 호기성 조건에서는 인을 과잉 섭취하도록 한 다음 미생물을 일정량씩 제거하는 방식으로 인을 제거토록 하며, 오ㆍ폐수중의 질소나 인을 효율적으로 처리하며, 비용면에서도 저렴하게 오ㆍ폐수를 처리할수 있도록 한 것이다.The present invention precipitates and separates solid organics in a sedimentation tank, nitrifies dissolved ammonia nitrogen and organic form nitrogen into aerobic microorganisms under aerobic conditions in an aeration tank, denitrates nitrates under anoxic conditions, and treats phosphorus. For example, the wastewater is maintained in an anaerobic condition and an aerobic condition, releasing phosphorus from the microorganism under anaerobic conditions, and overingesting the phosphorus in subsequent aerobic conditions, and then removing the microorganisms by a certain amount. It is designed to efficiently remove nitrogen and phosphorus in wastewater and wastewater, and to treat wastewater at low cost.

통상 오ㆍ폐수를 유입 부패시키는 침전분리조와 침전분리조의 중간수를 이송, 보관하는 유량조정조와 미생물로 유기물을 분해하는 폭기조와 미생물에 의해 분해된 유기물인 오니(슬러지)를 침전, 여과하는 침전조와 소독조 및 방류조등의 다단계 반응조로 오ㆍ폐수를 처리하는 생물학적 수처리 시스템에 있어서, 오ㆍ폐수를 유입하고 침전 분리하는 침전분리조(12)와 침전분리조(12)의 중간수를 임시로 저장하는 유량조정조(13)를 갖되, 상기 유량조정조(13)에는 처리수를 전방 폭기조인 제1폭기조(14)로 펌프(P1)를 이용 일정량으로 공급하며, 연이어지는 제2폭기조(15)와 무산소조(16)를 가지며, 무산소조(16) 후방에는 후방 폭기조로, 제3폭기조(17)와 제4폭기조(18)를 가지며, 그 후방으로 침전조(19)와 안정조(20)(3차처리조) 및 소독, 방류조(21)를 갖는 한편 상기 침전조(19)에는 슬러지 탈질조(22)로 연결되는 반송관(31)을 가지며, 상기 슬러지 탈질조(22)와 침전분리조(12)는 서로 연결되어지며, 상기 전방폭기조인 제1폭기조(14) 및 제2폭기조(15)와 후방폭기조인 제3폭기조(17)와 제4폭기조(18) 내측에는 그물망(41)으로 상,하로 구획하여 상방에는 접촉여재(42)를 적층, 매입하는 접촉여재 매입부(43)를 구성하며, 하방에는 슬러지가 적층되는 슬러지 적층부(44)로 형성하며, 접촉여재 매입부(43)에는 통상의 산기관(45)을 가지며, 슬러지 적층부(44)에는 역세척관(46)과 침전분리조(12)로 이어지는 반송관(47)을 가지며, 상기 무산소조(16)에는 제1폭기조(14)로 처리수를 펌프(P3)로 이송하는 이송관(32)을 가지며, 유량조절조(13)에는 무산소조(16)로 처리수를 펌프(P2)로 이송하는 처리수 이송관(33)을 연결 설치하는 구조를 갖도록 한 것이다.Generally, a sedimentation tank for infiltrating wastewater and waste water, a flow control tank for transporting and storing intermediate water of the sedimentation tank, an aeration tank for decomposing organic matter into microorganisms, and a sedimentation tank for sedimenting and filtering organic sludge (sludge) decomposed by microorganisms; In a biological water treatment system for treating wastewater with multistage reaction tanks, such as a disinfection tank and a discharge tank, the intermediate water of thesedimentation tank 12 and thesedimentation tank 12 for inflowing and sedimenting the wastewater is temporarily stored. It has aflow regulating tank 13 to supply, to theflow regulating tank 13 to supply the treated water to thefirst aeration tank 14, which is a front aeration tank in a predetermined amount using the pump (P1), followed by asecond aeration tank 15 and an anaerobic tank (16), having an aeration tank (16) behind the rear aeration tank, having a third aeration tank (17) and a fourth aeration tank (18), behind the settling tank (19) and the stabilization tank (20) (tertiary treatment tank). ) And disinfection, having adischarge tank 21 while Thesedimentation tank 19 has a conveyingpipe 31 connected to thesludge denitrification tank 22, and thesludge denitrification tank 22 and thesedimentation separation tank 12 are connected to each other, and the first aeration tank is the front aeration tank ( 14) and the second aeration tank (15) and the rear aeration tank, the third aeration tank (17) and the fourth aeration tank (18) inside the upper and lower compartments divided into anet 41, theupper contact layer 42 is laminated and embedded The contactmedium embedding portion 43 is formed, and below thesludge stacking portion 44 in which sludge is laminated, the contactmedium embedding portion 43 has anormal diffuser 45, and the sludge stacking portion 44. ) Has a backing pipe (46) and a conveying pipe (47) leading to the settling separation tank (12), the anoxic tank (16) has a conveying pipe for transferring the treated water to the pump (P3) in the first aeration tank (14) (32), the flowrate adjusting tank 13 has a structure in which the treatedwater transfer pipe 33 for transferring the treated water to the pump (P2) by an anaerobic tank (16) is connected and installed. The.

상기에 있어서 유량조정조(13)에서 제1폭기조(14)로 처리수의 이송은 펌프(P1)로 항시 일정량으로 이송되도록 하며, 유량조절조(13)에서 무산소조(16)로 처리수의 이송은 펌프(P2)로, 무산소조(16)에서 제1폭기조(14) 펌프(P2)를 통해 간헐적으로 이송되도록 한 것이다.In the above, the flow of the treated water from the flowrate adjusting tank 13 to thefirst aeration tank 14 is always transferred to the pump P1 at a constant amount, and the transfer of the treated water from the flowrate adjusting tank 13 to theanaerobic tank 16 is performed. The pump P2 is to be intermittently transferred from the oxygen-free tank 16 through thefirst aeration tank 14 pump P2.

도면중 미설명부호로 51은 기계실이며, 52는 폭기조의 산기관(45)으로 공기를 주입하는 공기공급관이며, 53은 폭기조의 역세척관(46)으로 공기를 주입하는 공기주입관이다.In the drawings, 51 is a machine room, 52 is an air supply pipe for injecting air into thediffuser 45 of the aeration tank, and 53 is an air injection pipe for injecting air into thebackwash pipe 46 of the aeration tank.

이와 같은 구조를 갖는 본 발명으로 오ㆍ폐수를 처리하는 방법 및 처리과정을 살펴보면 다음과 같다.Looking at the method and treatment process for treating the waste water with the present invention having such a structure as follows.

침전분리조(12)로 유입된 오ㆍ폐수중에 포함된 고형 침전물을 제거한 처리수를 유량조정조(13)로 유입하고, 유량조정조(13)의 처리수를 전방폭기조인 제1, 제2폭기조로 유입하여 폭기조에서 처리수에 포함된 호기성 미생물을 증식, 처리수를 분해하며, 무산소조(16)로 이송하여 처리수중에 포함된 혐기성 미생물을 증식 분해하고 후방폭기조인 제3, 제4폭기조(17)(18)로 이송하여 처리수에 남는 유기물을 호기성 미생물로 분해토록 하며, 침전조(19)에서 혐기성 미생물로 처리수를 분해한 다음 안정조(20)로 이송하여 처리수에 잔존하는 유기물을 호기성 미생물로 분해한 다음 방류토록 하는 과정으로 오ㆍ폐수를 처리토록 하는 것이다.The treated water from which the solid sediment contained in the sewage and wastewater introduced into thesedimentation separation tank 12 is introduced into theflow regulating tank 13, and the treated water from theflow regulating tank 13 is transferred to the first and second aeration tanks. Proliferate and decompose the aerobic microorganisms contained in the treated water in the aeration tank, and transfer to theanaerobic tank 16 to proliferate and decompose anaerobic microorganisms contained in the treated water, and the third andfourth aeration tanks 17 which are rear aeration tanks. (18) to decompose the organic matter remaining in the treated water into aerobic microorganisms, decompose the treated water into anaerobic microorganisms in the sedimentation tank (19), and then transfer to the stabilizer (20) to transfer the organic matter remaining in the treated water to aerobic microorganisms The wastewater is to be treated as a process of decomposing into effluent and then discharging.

상기에 있어서 제1, 제2, 제3, 제4폭기조(14)(15)(17)(18)를 접촉여재 매입부(43)와 슬러지 적층부(44) 상,하 2개부분으로 구획하며, 상방에 접촉여재(42)를 투입하며, 산기관(45)을 통해 폭기관 상부의 접촉여재에 공기를 공급하여 호기성 미생물이 증식되도록 하며, 폭기조 하방의 처리수에는 혐기성 미생물이 증식되도록 하므로써 폭기조 내측에서 혐기성 미생물 및 호기성 미생물이 공존되도록 한 것이다.In the above description, the first, second, third, andfourth aeration tanks 14, 15, 17, and 18 are divided into two parts, the upper and lower parts of the contactmedium embedding part 43 and thesludge stacking part 44. By injecting thecontact medium 42 above, and supplying air to the contact medium of the upper part of the pipe through the diffuser (45) to aerobic microorganisms to grow, by treating the anaerobic microorganisms in the treated water below the aeration tank. The anaerobic microorganism and aerobic microorganism coexist inside the aeration tank.

또한 상기에 있어서, 유량조정조(13)의 처리수 일부는 이송관(33) 및 펌프(P2)로 무산소조(16)로 이송하여 무산소조(16)에 유기물을 공급토록 한 것이다.In addition, in the above, a part of the treated water of theflow adjusting tank 13 is transferred to theanoxic tank 16 by thetransfer pipe 33 and the pump P2, and the organic substance is supplied to theanoxic tank 16. FIG.

이와 같은 본 발명을 보다 구체적으로 살펴봄과 동시에 수처리과정을 단계별로 살펴보면 다음과 같다.Looking at the present invention in more detail and at the same time look at the water treatment step by step as follows.

오ㆍ폐수를 침전분리조(12)로 유입하고 일정시간 방치하게 되면 바닥부위에는 고형의 침전물이 가라앉게 되며, 중간에는 처리수와 상방에는 부유물이 뜨게 된다.When the waste water is introduced into thesedimentation separation tank 12 and left for a certain time, a solid precipitate sinks in the bottom portion, and floating water floats in the middle of the treated water and the upper portion.

침전분리조(12)는 유입되는 오ㆍ폐수 안처리시켜 1차 B0D, SS수치를 20~30% 낮추어주게 되며, 탈질화와 탈질산과정을 거쳐 질소가스를 배출하여 질소를 일부 제거하게 된다.Thesedimentation separation tank 12 lowers the primary B0D and SS values by 20-30% by treating the incoming sewage and wastewater, and removes nitrogen by discharging nitrogen gas through denitrification and denitrification.

상기 침전분리조(12)의 중간수인 처리수를 이송관을 통해 유량조정조(13)를 이송 저장하게 되며, 처리수를 펌프(P1)로 항상 일정량으로 전방폭기조인 제1폭기조(14)와 제2폭기조(15)로 이송하게 된다.The treated water, which is the intermediate water of thesedimentation separation tank 12, is transferred to and stored in the flowrate adjustment tank 13 through the transfer pipe, and the treated water is always pumped into the pump P1 by thefirst aeration tank 14, which is the front aeration tank. Transfer to the second aeration tank (15).

상기 유량조정조(13)는 침전분리조(12)로 이송되는 처리수를 임시 보관 저장하는 역활이외에 예비 여과조 역활을 수행하여 처리수의 부분적인 혐기성 분해 진행시키게 된다.Theflow adjusting tank 13 performs a partial anaerobic decomposition of the treated water by performing a preliminary filtration tank in addition to the role of temporarily storing and storing the treated water transferred to thesedimentation separation tank 12.

또한 필요에 따라 침전분리조(12)와 유량조정조(13) 사이에 여과조를 설치할 수 있다.In addition, a filtration tank may be provided between thesedimentation separation tank 12 and the flowrate adjustment tank 13 as necessary.

유량조정조(13)을 통해 폭기조로 유입된 처리수는 처리수중의 유기물이 산소와 결합하여 질산화가 이루어지게 된다.The treated water introduced into the aeration tank through theflow adjustment tank 13 is nitrified by the organic matter in the treated water combined with oxygen.

이를 화학식으로 표현하면 다음과 같다.This is expressed as a chemical formula:

유기물 분해 : 유기물 + O2 → CO2 + H2ODecomposition of organic matter: Organic matter + O2 → CO2 + H2 O

질산화 : NH4 - N+2O2 → NO-3 + H2O + 2H+Nitrification: NH4 -N + 2O2 → NO-3 + H2 O + 2H+

인 과잉섭취 : PO3 - 4 - P → POLY - P (에너지 흡수)The excessiveintake: PO 3 - 4 - P → POLY - P ( energy absorption)

PHB 산화 : PHB + O2 → CO2 + H2O (에너지 방출)PHB oxidation: PHB + O2 → CO2 + H2 O (energy release)

상기에 있어서, 제1폭기조(14) 및 제2폭기조(15)에서 질산화에 의해 질산성 질소가 생성된 후 무산소조(16)로 이송되어지며, 무산소조(16)에서 탈질반응으로 질소가 제거되어지게 된다.In the above, the nitrate nitrogen is generated by nitrification in thefirst aeration tank 14 and thesecond aeration tank 15 and then transferred to theanoxic tank 16, so that the nitrogen is removed by the denitrification reaction in theanoxic tank 16. do.

상기 무산소조내에는 교반기를 장착하여 탈질반응을 가속하게 된다.The anoxic tank is equipped with a stirrer to accelerate the denitrification.

상기 무산소조(16)에서 탈질반응을 수행하는 탈질 미생물은 유기물을 필요로 하나, 전방 폭기조를 거치는 동안 유기물질이 거의 소모되었기 때문에 유량조정조(13)로부터 처리수를 펌프(P2)를 통해 간헐적으로 이송관(33)으로 공급하여 탈질화에 필요한 유기물(산)을 일부 유입하게 된다.The denitrification microorganism performing the denitrification reaction in theanoxic tank 16 requires organic materials, but since the organic materials are almost consumed during the aeration tank, the treated water is intermittently transferred from the flowrate adjusting tank 13 through the pump P2. It is supplied to thepipe 33 to introduce some organic matter (acid) required for denitrification.

탈질반응 : 2 NO-3 + 유기산 → N2(↑) + CO2 + H2ODenitrification: 2 NO-3 + organic acid → N2 (↑) + CO2 + H2 O

무산소조(16)에 의해 탈질화된 처리수는 후방폭기조인 제3폭기조(17) 및 제4폭기조(18)로 이송되어 재차 호기성 미생물에 의해 처리수중의 인을 유기물에 흡수토록 하며, 침전조(19)에서 유기물을 침전시켜 분리하며, 침전조(19)의 침전 유기물은 반송관(31)을 통해 슬러지 탈질조(22)로 반송하게 되며, 슬러지 탈질조(22)에 서는 인이 농축된후 침전분리조(12)로 배출하게 된다.The treated water denitrified by theanoxic tank 16 is transferred to thethird aeration tank 17 and thefourth aeration tank 18, which are rear aeration tanks, to allow the aerobic microorganisms to absorb phosphorus in the treated water into the organic matter again, and the settlingtank 19 Precipitate and separate the organic matter in the), the precipitated organic material in thesettling tank 19 is returned to thesludge denitrification tank 22 through the conveyingpipe 31, the precipitate is separated after the concentration of phosphorus in thesludge denitrification tank 22. To the tank (12).

상기 침전조(19)에 침전되는 침전 유기물은 아주 적은 양이 발생되므로 1년에 1~3회 시설물을 유지 보수할 때 침전물을 반송관(31)을 통해 슬러지 탈질조(22)로 이송하게 된다.Since the precipitate organic matter precipitated in thesedimentation tank 19 is generated in a very small amount, the sediment is transferred to thesludge denitrification tank 22 through thereturn pipe 31 when the facility is maintained once or three times a year.

반면 침전조(19)의 상등수는 안정조(20)로 유입하여 처리수 중의 잔여 유기물을 산기관에 의해 산화 분해하며, 처리수 중의 인을 침전조(19)의 미생물이 흡수하여 인을 제거하게 된다.On the other hand, the supernatant of thesettling tank 19 flows into thestabilizer 20 to oxidatively decompose the remaining organic matter in the treated water by an acid pipe, and microorganisms of the treated water are absorbed by the microorganisms of the settling tank to remove phosphorus.

상기 제1, 제2폭기조(14)(15) 및 제3, 제4폭기조(17)(18)등의 폭기조의 내부에는 그물망(41)으로 상,하 2개부분으로 구획하여, 상방에는 접촉여재(42)를 매입하는 접촉여재 매입부(43)를 하방에는 슬러지 적층부(44)를 구성한다. 상방의 접촉여재 매입부(43)에는 공기를 분사하는 통상의 산기관(45)을 가지며, 하방의 슬러지 적층부(44)에는 슬러지를 반송관(47)을 통해 침전분리조(12)로 침전물을 이송하게 되며, 하방의 슬러지 적층부(44)에는 역세척관(46)이 설치되어 바닥에 쌓이는 충진물인 슬러지를 청소하게 된다.Inside the aeration tanks such as the first andsecond aeration tanks 14 and 15, and the third andfourth aeration tanks 17 and 18, the net 41 is divided into two parts, the upper and lower parts, and the upper part is in contact. Thesludge lamination part 44 is comprised below the contactmedium embedding part 43 which embeds thefilter medium 42. The upper contactmedium embedding portion 43 has anormal diffuser 45 for injecting air, and the lowersludge stacking portion 44 has sludge deposited therein into thesedimentation separation tank 12 through the conveyingpipe 47. And the lowersludge stacking portion 44, theback washing pipe 46 is installed to clean the sludge that is accumulated on the floor.

상기 제1, 제2, 제3, 제4폭기조(14)(15)(17)(18) 내측에 충진하는 접촉여재는 호기성 미생물이 부착되어 증식하게 되며, 접촉여재(42) 사이사이로 산기관(45)에 의해 용해되는 산소가 골고루 전달되게 물의 이동이 자유로운 소재를 충진하게 된다.The contact media filled in the first, second, third, andfourth aeration tanks 14, 15, 17, and 18 are attached to the aerobic microorganisms to proliferate, and the diffuser is interposed between the contact media. The oxygen dissolved in the 45 is evenly delivered to fill the free material movement of water.

따라서 접촉여재로는 소형 폐 플라스틱용기나 폐 섬유, 부직포, 폐비닐 등의 소재로 된 접촉여재(42)를 충진하게 된다.Therefore, the contact medium is filled with acontact medium 42 made of a material such as a small waste plastic container, waste fiber, nonwoven fabric, and waste vinyl.

이와 같이 전,후방 폭기조 즉, 제1, 제2폭기조(14)(15)와 제3, 제4폭기조(17)(18)는 가운데 그물망(41)을 중심으로 상,하 2개부분으로 분리되도록하며, 폭기조는 상방에는 산기관(45)에 의해 공기(산소)가 공급되어 호기성 미생물의 중심이 왕성하게 되며, 하방에는 혐기성 미생물이 발생 증식하게 된다.In this way, the front and rear aeration tanks, that is, the first andsecond aeration tanks 14 and 15 and the third andfourth aeration tanks 17 and 18 are divided into two parts, upper and lower centering on thecenter mesh 41. In the aeration tank, air (oxygen) is supplied by thediffuser 45 to the center of the aerobic microorganism, and the anaerobic microorganism is generated and proliferated below.

즉, 하나의 폭기조 내측의 상방에는 호기성 미생물이 처리수의 유기물을 분해 질산화과정을 수행하게 되며, 폭기조 하방에서는 혐기성 미생물의 증식으로 인을 흡수한 유기물이 침전되어지게 되며, 침전물은 반송관(31)을 통해 탈질조(22)로 이송되어 인을 제거하는 과정을 수행하게 된다.That is, above one aeration tank, aerobic microorganisms decompose organic matter in treated water and perform nitrification, and below the aeration tank, organic matter absorbing phosphorus is precipitated by the growth of anaerobic microorganisms, and the precipitate is returned to the return pipe (31). Is transferred to thedenitrification tank 22 to perform the process of removing phosphorus.

또한 폭기조 하방에 설치하는 역세척관(46)에 의해 수시로 바닥에 쌓인 충진물인 슬러지와 그물망(41) 상방의 접촉여재(42) 표면에 부착된 유기물을 청소하게 된다.In addition, theback washing pipe 46 installed below the aeration tank cleans the organic matter attached to the surface of the sludge and thecontact medium 42 above the net 41 is accumulated on the floor from time to time.

이와 같이 무산소조(16)를 제1, 제2폭기조(14)(15)와 후방에는 제3, 제4폭기조(17)(18)사이에 설치하여 유기물을 호기성, 혐기성 미생물로 반복 처리하여 우수한 처리능력을 갖게 되며, 소독 방류조(21)에서 염소등의 약품소독장치 또는 자외선 살균장치를 거쳐 완벽히 처리된 처리수를 방류하게 되는 것이다.In this way, the oxygen-free tank 16 is installed between the first andsecond aeration tanks 14 and 15 and the third andfourth aeration tanks 17 and 18 at the rear, and the organic material is repeatedly treated with aerobic and anaerobic microorganisms for excellent treatment. It will have the ability to discharge the treated water completely through thesterilization discharge tank 21 through a chemical disinfection device such as chlorine or ultraviolet sterilization device.

본 발명은 오ㆍ폐수를 미생물의 산화 분해과정을 통한 생물학적 처리방법으로 2차 공해요소로 작용될 수 있는 화학첨가제 또는 첨가물의 사용없이 자연계의 자정능력과 같이 오ㆍ폐수를 처리함으로 말미암아 처리비용이 저렴하게 된다.The present invention is a biological treatment method through the oxidative decomposition process of microorganisms, the treatment cost is increased by treating the waste water as the self-cleaning ability of nature without the use of chemical additives or additives that can act as secondary pollution. It becomes cheap.

또한 본 발명은 산소를 필요로 하는 호기성 미생물과 산소를 필요로 하지 않 는 혐기성 미생물의 증식을 조건을 최상으로 하여 처리시간단축 및 처리효율이 증대되어지게 되며, 처리용량에 비해 그 설비가 적어 저가격으로 시설물을 구축할 수 있는 효과를 갖게 된다.In addition, the present invention is the best conditions for the growth of aerobic microorganisms that require oxygen and anaerobic microorganisms that do not require oxygen to reduce the treatment time and treatment efficiency is increased, and the equipment is small compared to the treatment capacity and low cost This will have the effect of building facilities.

특히 본 발명은 폭기조 내측에 상방에는 호기성 미생물을 하방에는 혐기성 미생물이 주로 작용하는 환경을 조성하여 하나의 반응조, 즉 폭기조 내측에서 혐기성 및 호기성 미생물을 공존시켜 전 미생물의 상호작용에 의해 처리를 촉진하여 자연계의 자정 원리에 의한 오수처리방법을 구현하게 되며, 이로인해 완벽하게 오ㆍ폐수를 처리할 수 있게 되는 아주 유용한 발명인 것이다.In particular, the present invention creates an environment in which the aerobic microorganisms in the upper and the anaerobic microorganisms mainly in the aeration tank inside the action to promote the treatment by the interaction of all microorganisms by coexisting anaerobic and aerobic microorganisms in one reaction tank, that is, inside the aeration tank Implementing the sewage treatment method according to the midnight principle of the natural world, which is a very useful invention that can be completely treated sewage and wastewater.

Claims (5)

Translated fromKorean
통상 오ㆍ폐수를 유입 부패시키는 침전분리조와 침전분리조의 중간수를 이송, 보관하는 유량조정조와 미생물로 유기물을 분해하는 폭기조와 미생물에 의해 분해된 유기물인 오니(슬러지)를 침전, 여과하는 침전조와 소독조 및 방류조등의 다단계 반응조로 오ㆍ폐수를 처리하는 생물학적 수처리 시스템에 있어서, 오ㆍ폐수를 유입하고 침전 분리하는 침전분리조(12)와 침전분리조(12)의 중간수를 임시로 저장하는 유량조정조(13)를 갖되, 상기 유량조정조(13)에는 처리수를 전방 폭기조인 제1폭기조(14)로 펌프(P1)를 이용 일정량으로 공급하며, 연이어지는 제2폭기조(15)와 무산소조(16)를 가지며, 무산소조(16) 후방에는 후방 폭기조로, 제3폭기조(17)와 제4폭기조(18)를 가지며, 그 후방으로 침전조(19)와 안정조(20)(재폭기조) 및 소독, 방류조(21)를 갖는 한편 상기 침전조(19)에는 슬러지 탈질조(22)로 연결되는 반송관(31)과 연결되며, 상기 슬러지 탈질조(22)와 침전분리조(12)는 서로 연결되어지며, 상기 전방폭기조인 제1폭기조(14) 및 제2폭기조(15)와 후방폭기조인 제3폭기조(17)와 제4폭기조(18) 내측에는 그물망(41)으로 상,하로 구획하여 상방에는 접촉여재(42)를 적층, 매입하는 접촉여재 매입부(43)를 구성하며, 하방에는 슬러지가 적층되는 슬러지 적층부(44)로 형성하며, 접촉여재 매입부(43)에는 통상의 산기관(45)을 가지며, 슬러지 적층부(44)에는 역세척관(46)과 침전분리조(12)로 이어지는 반송관(47)을 가지며, 상기 무산소조(16)에는 제1폭기조(14)로 처리수를 펌프(P3)로 이송하는 이송관(32)을 가지며, 유량조절조(13)에는 무산소조(16)로 처리수를 펌프(P2)로 이송하는 처리수 이송관(33)을 연결되는 구조를 갖는 것을 특징으로 하는 오ㆍ폐수 고도 처리시스템.Generally, a sedimentation tank for infiltrating wastewater and waste water, a flow control tank for transporting and storing intermediate water of the sedimentation tank, an aeration tank for decomposing organic matter into microorganisms, and a sedimentation tank for sedimenting and filtering organic sludge (sludge) decomposed by microorganisms; In a biological water treatment system for treating wastewater with multistage reaction tanks, such as a disinfection tank and a discharge tank, the intermediate water of the sedimentation tank 12 and the sedimentation tank 12 for inflowing and sedimenting the wastewater is temporarily stored. It has a flow regulating tank 13 to supply, to the flow regulating tank 13 to supply the treated water to the first aeration tank 14, which is a front aeration tank in a predetermined amount using the pump (P1), followed by a second aeration tank 15 and an anaerobic tank (16), and behind the anaerobic tank (16) is a rear aeration tank, and has a third aeration tank (17) and a fourth aeration tank (18), and a settling tank (19) and a stabilization tank (20) (reaeration tank) to the rear. Disinfection, having a discharge tank 21 while The settling tank 19 is connected to the conveying pipe 31 connected to the sludge denitrification tank 22, the sludge denitrification tank 22 and the sedimentation separation tank 12 are connected to each other, the first aeration tank is the front aeration tank (14) and the second aeration tank 15 and the rear aeration tank, the third aeration tank 17 and the fourth aeration tank 18 inside the upper and lower compartments divided by a net 41, the contact medium 42 is laminated and embedded above The contact medium embedding portion 43 is formed, the lower portion is formed of a sludge stacking portion 44 in which sludge is laminated, the contact medium embedding portion 43 has a normal diffuser 45, sludge stacking portion ( 44, a back washing pipe 46 and a conveying pipe 47 leading to the settling separation tank 12, the anoxic tank 16 is a transfer to transfer the treated water to the pump (P3) to the first aeration tank (14) It has a pipe 32, the flow control tank 13 is characterized in that it has a structure that is connected to the treated water transfer pipe 33 for transferring the treated water to the pump (P2) by the oxygen-free tank (16). Wastewater Advanced Treatment System.제1항에 있어서, 유량조정조(13)에서 제1폭기조(14)로 처리수의 이송은 펌프(P1)로 항시 일정량으로 이송되도록 하며, 유량조절조(13)에서 무산소조(16)로 처리수의 이송은 펌프(P2)로, 무산소조(16)의 처리수는 펌프(P3)로 간헐적으로 이송되도록 하는 구조를 갖는 것을 특징으로 하는 오ㆍ폐수 고도 처리시스템.The process of claim 1, wherein the transfer of the treated water from the flow regulating tank 13 to the first aeration tank 14 is always carried in a constant amount to the pump P1, and the treated water from the flow regulating tank 13 to the anaerobic tank 16. The wastewater advanced wastewater treatment system, characterized in that it has a structure such that the feed water is pumped to the pump P2, and the treated water of the oxygen-free tank 16 is intermittently transferred to the pump P3.삭제delete삭제delete삭제delete
KR1020030061308A2003-09-032003-09-03 Wastewater Advanced Treatment SystemExpired - Fee RelatedKR100583904B1 (en)

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CN104591476A (en)*2014-12-052015-05-06中国科学院生态环境研究中心Sewage processing system of multi-influent biomembrane coupling phosphate-removal filter and operation of system
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