KR970006189A - Fixed algae removal method and apparatus - Google Patents

Fixed algae removal method and apparatus Download PDF

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Publication number
KR970006189A
KR970006189A KR1019960055366A KR19960055366A KR970006189A KR 970006189 A KR970006189 A KR 970006189A KR 1019960055366 A KR1019960055366 A KR 1019960055366A KR 19960055366 A KR19960055366 A KR 19960055366A KR 970006189 A KR970006189 A KR 970006189A
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South Korea
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sludge
water
tank
inlet pipe
pipe
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KR1019960055366A
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Korean (ko)
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KR0174364B1 (en
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정용
최윤호
강형석
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정용
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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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

본 발명은 조류를 다량 함유하고 있는 원수가 원수유입관(8)을 통해서 급속혼화조(2)로 유입시키고 응집약품조(6)에서 정량펌프(7)에 의해 투입된 일정량의 응집제는 교반기(4)에 의하여 급속 혼화되어 부유상의 조류 입자들이 응집하여 미세플럭을 형성하게 되며, 급속혼화조(2)에서 생성된 미세 플럭은 응결조(3)에 교호로 설치한 다수의 배플플레이트(5)를 거치는 동안 약한 충돌에 의하여 서로 뭉쳐져서 거대 플럭 입자를 형성하고 응집, 혼화된 물은 부상장치(11)의 유입관(10)을 통해서 상부로 유입되어 노즐(19)을 통해 분출된 초미세 기포들이 부유성이 강한 조류에 효과적으로 부착시켜 밀도를 낮춤으로서 수면으로 유도 부상시키어 부상된 슬러지에 의해 생성된 스컴층은 슬러지제거기(21)에 의해 부상농축장치(13)로 보내지며, 부상농축장치(13)에 유입된 슬러지는 일정 수위에 이르면 자동으로 슬러지 유입관이 닫히고 가압수가 나오면서 함수량이 높은 슬러지의 함수율을 낮추면서 수면으로 부상시키게 되고 하부의 처리수는 다시 농축처리수관(24)을 통해서 원수유입관(8)으로 보내지고 농축된 슬러지는 슬러지유출관(25)을 통해서 탈수기(14)로 보내지게 되며, 부상장치(11)에서 슬러지가 제거된 처리수는 모래 및 입상활성탄여과조(28)로 보내져 미쳐 부상장치에서 처리되지 않은 물질들을 제거하여 최종처리수가 공급되도록 한 것이다.In the present invention, raw water containing a large amount of algae flows into the rapid mixing tank 2 through the raw water inlet pipe 8 and a predetermined amount of flocculant introduced by the metering pump 7 in the flocculating chemical tank 6 is agitator (4). ) By rapidly admixing the algae particles in the floating phase to form a fine floc, and the fine flocks generated in the rapid mixing tank 2 are provided with a plurality of baffle plates 5 alternately installed in the condensation tank 3. During the process, the small floccules aggregate together to form large floc particles, and the flocculated and mixed water flows upward through the inlet pipe 10 of the flotation device 11 and is ejected through the nozzle 19. The scum layer generated by the flotation sludge removed by the sludge remover 21 is sent to the flocculating thickener 13 by the sludge remover 21. In) When the sludge reaches a certain level, the sludge inlet pipe is automatically closed and the pressurized water comes out and floats to the surface while lowering the water content of the sludge with high water content, and the treated water in the lower part is returned to the raw water inlet pipe (8) through the concentrated treated water pipe (24). The sludge is concentrated and sent to the dehydrator 14 through the sludge outflow pipe 25, and the sludge removed from the flotation device 11 is sent to the sand and granular activated carbon filtration tank 28 to reach the flotation device. The untreated material was removed from the effluent so that the final treated water was supplied.

Description

고정식 조류 제거방법 및 그 장치Fixed algae removal method and apparatus

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

제1도는 본 발명의 전체구성을 보인 개략도이다.1 is a schematic view showing the overall configuration of the present invention.

Claims (5)

교반기(4)가 설치된 급속혼합조(2)와 다수의 배플플레이트(5)가 교호로 설치한 응결조(3)로 구성하여, 급속혼합조(2)에 펌프(9)에 의하여 원수유입관(8)을 통해서 원수를 유입되도록 하고 응집약품조(6)에 저장된 응집제를 정량펌프(7)에 의하여 일정량이 투입되도록 설치한 함체(1)와, 응집, 혼화된 물을 공급받아 처리수와 조류를 분리 제거시키도록 응결조(3)에 미처리수 유입관(10)을 통해 미처리수가 공급되도록 구비한 부상장치(11)와, 부상장치(11)에 의하여 걸러진 함수량이 높은 슬러지를 재분리시키도록 슬러지유입관(12)을 통하여 슬러지가 공급되도록 구비한 농축장치(13)와, 농축장치(13)에서 재분리된 슬러지를 케익상태로 처리하도록 구비한 탈수기(14)와, 부상장치(11) 및 농축장치(13)에 슬러지를 분리시 가압수를 사용하도록 구비한 가압장치(17)와, 부상장치(11)에서 슬러지를 제거한 처리수는 미쳐 부상공정에서 처리되지 않은 물질들을 제거하도록 처리수유입관(27)으로 연결한 모래 및 입상활성탄여과조(28)로 구성함을 특징으로 하는 고정식 조류제거장치.It consists of a rapid mixing tank 2 provided with the stirrer 4 and a condensing tank 3 alternately provided with a plurality of baffle plates 5, and feeds the raw water inflow pipe by the pump 9 into the rapid mixing tank 2. (8) is supplied with the raw water and the coagulation agent (1) is installed so that a certain amount of coagulant stored in the coagulant chemical tank (6) by the metering pump (7), and agglomerated, mixed water is supplied to the treated water and To separate the sludge sludge from the flocculation tank 3 with untreated water supplied to the condensate tank 3 through the untreated water inflow pipe 10 and the high water content filtered by the flotation device 11. In order to supply the sludge through the sludge inlet pipe 12 so as to supply a sludge, a dehydrator 14 equipped with a sludge separated from the thickener 13 to treat the cake state, and a flotation device 11 And a pressurizing device (17) provided with a pressurized water for separating the sludge in the thickening device (13), and The treated water from which the sludge is removed from the upper device 11 is fixed algae removal, characterized in that composed of sand and granular activated carbon filtration tank 28 connected to the treated water inlet pipe 27 to remove untreated materials in the flotation process. Device. 제1항에 있어서, 부상장치(11)는 원형탱크(15)의 중앙부에 응결조(3)를 거친 응집, 혼화된 물이 공급되는미처리수 유입관(10)을 수직으로 설치하고, 미처리수 유입관(10) 내에는 상부에 홉퍼형상의 수거구(16a)를 갖는 슬러지유입관(16)을 설치하며, 미처리수 유입관(10)의 상단부 양측에는 가압수를 분사시키도록 노즐(19)을 설치하고 노즐(19)의외측에는 부상효과를 높이도록 배플(20)을 설치하며, 또한 상기의 원형탱크(15)의 상부에는 수면 상으로 부상되는 슬러지를 제거하여 수거구(16a)로 보내는 슬러지제거기(21)를 구비함을 특징으로 하는 고정식 조류제거장치.According to claim 1, Floating device 11 is installed in the center of the circular tank 15, the untreated water inlet pipe 10 is supplied vertically to supply the coagulated, admixed water through the condensation tank 3, and the untreated water In the inlet pipe 10, a sludge inlet pipe 16 having a hopper-shaped collection port 16a is installed at an upper portion thereof, and nozzles 19 are sprayed on both sides of an upper end of the untreated water inlet pipe 10. And baffles 20 are installed on the outside of the nozzle 19 to increase the floating effect, and the sludge which is floated on the surface of the circular tank 15 is removed and sent to the collecting port 16a. Fixed algae removal device characterized in that it comprises a eliminator (21). 제1항에 있어서, 농축장치(13)는 슬러지를 받는 홉퍼(22)의 하부에 슬러지를 부상시키도록 가압수관(23)과연결한 노즐(23a)로 연결하며, 홉퍼(22)의 하단에는 농축처리수관(24)과 슬러지유출관(25)을 각각 설치함을 특징으로 하는 고정식 조류제거장치.The concentrator 13 is connected to the nozzle 23a connected to the pressurized water pipe 23 so as to float the sludge to the lower portion of the hopper 22 receiving the sludge, and the condenser 13 is concentrated at the lower end of the hopper 22. Fixed water removal device, characterized in that the treatment water pipe 24 and the sludge outflow pipe 25 are installed respectively. 제1항에 있어서, 모래 및 입상활성탄 여과조(28)에는 가압장치(17)의 가압수에 의하여 역세척되도록 함을특징으로 하는 고정식 조류제거장치.The stationary algae removal system according to claim 1, wherein the sand and granular activated carbon filtration tanks (28) are backwashed by the pressurized water of the pressurizing device (17). 조류를 다량 함유하고 있는 원수가 원수유입관(8)을 통해서 급속혼화조(2)로 유입시키고 응집약품조(6)에서 정량펌프(7)에 의해 투입된 일정량의 응집제는 교반기(4)에 의하여 급속 혼화되어 부유상의 조류 입자들이 응집하여 미세 플럭을 형성하게 되며, 급속혼화조(2)에서 생성된 미세 플럭은 응결조(3)에 교호로 설치한 다수의 배플플레이트(5)를 거치는 동안 약한 충돌에 의하여 서로 뭉쳐져서 거대 플럭 입자를 형성하는 공정과, 응집, 혼화된 물은 부상장치(11)의 유입관(10)을 통해서 상부로 유입되어 노즐(19)을 통해 분출된 초미세 기포들이 부유성이 강한 조류에 효과적으로 부착시켜 밀도를 낮춤으로서 수면으로 유도 부상시키어 부상된 슬러지에 의해 생성된 스컴층은 슬러지제거기(21)에 의해 부상농축장치(13)로 보내는 공정과, 부상농축장치(13)에 유입된 슬러지는 일정 수위에 이르면 자동으로 슬러지유입관이 닫히고 가압수가 나오면서 함수량이 높은 슬러지의 함수율을 낮추면서 수면으로 부상시키게 되고 하부의 처리수는 다시 농축처리수관(24)을 통해서 원수유입관(8)으로 보내지고 농축된 슬러지는 슬러지유출관(25)을 통해서 탈수기(14)로 보내지게 되는 공정과, 부상장치(11)에서 슬러지가 제거된 처리수는 모래 및 입상활성탄 여과조(28)로 보내져 미쳐 부상장치에서 처리되지 않은 물질들을 제거하여 최종처리수를 공급하게 되는 공정으로 이루어짐을 특징으로 하는 고정식 조류제거방법.Raw water containing a large amount of algae flows into the rapid mixing tank 2 through the raw water inlet pipe 8 and a certain amount of flocculant introduced by the metering pump 7 in the flocculating chemical tank 6 is provided by the stirrer 4. Rapid mixing results in flocculation of suspended algae particles to form a fine floc, and the fine floc produced in the rapid blending tank 2 is weak while passing through a plurality of baffle plates 5 alternately installed in the condensing bath 3. The process of forming large floc particles by agglomeration with each other by collision, and agglomerated and mixed water flows upward through the inlet pipe 10 of the flotation device 11, and the ultra-fine bubbles ejected through the nozzle 19 The scum layer produced by floating sludge is induced by floating on the surface of water by effectively attaching to floating algae and lowering the density, and is sent to the flocculating thickener 13 by the sludge remover 21, and the flocculating concentrating device ( On 13) Sludge inlet pipe is automatically closed when the sludge inlet reaches a certain level and pressurized water is released to lower the water content of the sludge with high water content and floats to the surface, and the treated water in the lower portion is again fed through the raw water inlet pipe (8). The sludge is concentrated and sent to the dehydrator 14 through the sludge outflow pipe 25, and the sludge removed from the flotation device 11 is sent to the sand and granular activated carbon filtration tank (28). Fixed algae removal method comprising the step of supplying the final treated water by removing the untreated material from the flotation device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960055366A 1996-11-19 1996-11-19 Method and apparatus for removing algae KR0174364B1 (en)

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* Cited by examiner, † Cited by third party
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KR20040041300A (en) * 2002-11-11 2004-05-17 민춘식 Green algae removal of aqueous production method and green algae removal method
KR102044024B1 (en) 2017-12-01 2019-11-12 두산중공업 주식회사 Plasma electrode, plasma electrode module and water treatment apparatus containing the same
KR102012967B1 (en) 2018-12-06 2019-08-21 두산중공업 주식회사 Water treatment apparatus using plasma underwater discharge and water treatment system comprising the same
KR20210158010A (en) 2020-06-23 2021-12-30 두산중공업 주식회사 Submerged type plasma apparatus and water treatment system using the same

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