KR200334442Y1 - Advanced Treatment Apparatus for Filtering and Washing Continuously Raw Water to Flow Up - Google Patents

Advanced Treatment Apparatus for Filtering and Washing Continuously Raw Water to Flow Up Download PDF

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Publication number
KR200334442Y1
KR200334442Y1 KR20-2003-0027161U KR20030027161U KR200334442Y1 KR 200334442 Y1 KR200334442 Y1 KR 200334442Y1 KR 20030027161 U KR20030027161 U KR 20030027161U KR 200334442 Y1 KR200334442 Y1 KR 200334442Y1
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filter
filtration
water
washing
activated carbon
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KR20-2003-0027161U
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Korean (ko)
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장용우
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장용우
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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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4684—Regenerating the filtering material in the filter by moving the filtering element using spray devices
    • 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
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4807—Handling the filter cake for purposes other than regenerating
    • B01D24/4815—Handling the filter cake for purposes other than regenerating for washing
    • 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
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

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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)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

본 고안은 여과사(50)와 활성탄흡착제(60)를 사용하여 오·하수, 폐수 및 정수 등 여과원수 중의 잔류 부유물, 용존유기물 및 중금속 이온을 제거하기 위한 상향류식 연속여과 및 세정 고도처리장치로서, 여과기(10), 여과기 지지대(20), 여과원수 유입관(30)·여과원수 균등분배기(40)의 여과원수 균등유입부, 여과사(50) 충전부, 활성탄흡착제(60) 충전부, 여과수 월류웨어(80)·여과수 유출관(70)의 여과수 유출부, 양사관(90)·여과사 분사노즐(100)·와류형성 충돌판(110)·세정실(120)·세정수 조절월류웨어(130)의 여과사 세정부와 여과사 균등분배장치(150, 160)로 구성되는 것을 특징으로 한다.The present invention is an upflow continuous filtration and washing advanced treatment apparatus for removing residual suspended matter, dissolved organic matter and heavy metal ions in filtration raw water such as sewage, sewage, wastewater and purified water using the filtration sand 50 and the activated carbon adsorbent 60. , Filter 10, filter support 20, filtration raw water inlet pipe 30, filtration raw water equalizer 40, filtration raw water equalization inlet, filtration yarn 50 charging unit, activated carbon adsorbent (60) charging unit, filtered water overflow Filtrate outflow part of the wear 80, the filtration water outflow pipe 70, both pipes 90, the filtration injection nozzle 100, the vortex forming impact plate 110, the washing chamber 120, the washing water adjustment overflow wear ( The filter yarn cleaning unit 130 and the filter yarn equalizing device (150, 160) is characterized in that it is composed.

Description

상향류식 연속여과 및 세정 고도처리장치{Advanced Treatment Apparatus for Filtering and Washing Continuously Raw Water to Flow Up}Advanced Treatment Apparatus for Filtering and Washing Continuously Raw Water to Flow Up}

본 고안은 여과사(50)와 활성탄흡착제(60)를 사용하여 오·하수, 폐수 및 정수 등 여과원수 중의 잔류 부유물, 용존유기물 및 중금속 이온을 제거하기 위한 상향류식 연속여과 및 세정 고도처리장치에 관한 것으로서, 보다 구체적으로는 여과사가 충전된 여과기(10) 하부의 여과원수 유입관(30)을 통하여 유입되는 오·하수, 폐수 및 정수 등의 여과원수를 여과원수 균등분배기(40)를 사용하여 상향류로 여과사층을 통과시켜 여과원수 중의 잔류 부유물을 제거하여 맑은 여과수를 방류하고, 또한 중수(中水)나 보다 더 양질의 수질을 얻기 위하여 교체 설치가 용이한 카트리지(cartridge)형의 활성탄흡착제층을 한번 더 거쳐 여과원수 중 미처리된 용존유기물과 중금속 이온을 제거하는 한편,The present invention is an upflow continuous filtration and washing advanced treatment apparatus for removing residual suspended matter, dissolved organic matter and heavy metal ions in filtration raw water such as sewage, sewage, wastewater and purified water using the filtration sand 50 and the activated carbon adsorbent 60. In particular, more specifically, the filtration raw water, such as sewage, sewage, wastewater, and purified water, introduced through the filtration raw water inlet pipe 30 below the filter 10 filled with the filtration sand, is filtered using the filtration raw water equalizer 40. A cartridge-type activated carbon adsorbent that is easy to replace and install in order to discharge clear filtered water by removing the residual suspended matter in the filtered raw water by passing the filter sand layer in an upstream flow. Layer once more to remove untreated dissolved organics and heavy metal ions from the filtered water,

상기 여과과정에서 잔류 부유물이 부착 오염된 여과사를 압축공기로 세정실(120)로 보내어, 양사관(90) 끝단의 여과사 분사노즐(100)과 와류형성 충돌판(110)에 의하여 오염된 잔류 부유물이 여과사에서 탈리된 후, 세정된 여과사는 세정여과사 분배기(150)를 통하여 균등하게 재투입되도록 한 상향류식 연속여과 및 세정 고도처리장치에 관한 것이다.In the filtration process, the filtered sand contaminated with residual suspended matter is sent to the cleaning chamber 120 by compressed air, and is contaminated by the filtered sand injection nozzle 100 and the vortex forming impact plate 110 at the ends of both pipes 90. After the residual suspended matter is removed from the filter sand, the cleaned filter sand is directed to an upflow continuous filtration and cleaning altitude treatment unit to be re-introduced evenly through the cleaning filter distributor (150).

일반적으로 지금까지의 여과장치는 중력식의 여과사 세정장치를 사용하였는데, 이것은 여과사에 부착 오염된 부유물의 탈리효과가 양호하지 않으며 길이가 긴 문제점, 세정배수의 월류장치가 고정됨으로써 세정수량의 조절 곤란으로 인한 세정 효율 저하를 야기하는 문제점, 그리고 원수 중의 잔류 용존유기물과 중금속 이온을 제거하기 위한 활성탄흡착장치를 별도로 설치해야 하는 문제점을 갖고 있었다.In general, the filtration device so far has used the gravity filter sand cleaning device, which is not good desorption effect of contaminated suspended solids attached to the filter sand, long length problem, control of the amount of cleaning water by fixing the overflow device of the cleaning drainage The problem of causing a reduction in cleaning efficiency due to difficulty, and the need to separately install an activated carbon adsorption device for removing residual dissolved organic matter and heavy metal ions in raw water.

따라서 본 고안은 상기의 문제점을 해결하기 위하여 창안된 것으로,Therefore, the present invention was created to solve the above problems,

본 고안의 목적은 여과사에 부착 오염된 여과원수 중의 잔류 부유물의 탈리효과를 양호하게 하며 여과기의 제작 높이를 크게 줄여 높이에 제한을 받는 장소에서도 설치가 가능하고, 세정수량의 조절이 가능하여 세정효율이 양호하고, 그리고 중수나 보다 더 고도의 처리수질을 얻기 위한 장치를 제공하는 것이다.The purpose of the present invention is to improve the desorption effect of the residual suspended matter in the contaminated filtration raw water attached to the filter sand, and to greatly reduce the manufacturing height of the filter, so that it can be installed in places where the height is limited, and the amount of washing water can be controlled to clean It is to provide a device for good efficiency and obtaining heavy water or even higher treated water quality.

상기 목적을 달성하기 위한 본 고안은 여과사(50)와 활성탄흡착제(60)를 사용하여 오·하수, 폐수 및 정수 등 여과원수 중의 잔류 부유물, 용존유기물 및 중금속 이온을 제거하기 위한 상향류식 연속여과 및 세정 고도처리장치에 있어서, 여과사에 부착된 잔류 부유물 탈리효과를 양호하게 하며 여과기의 제작 높이를 크게 줄여주는 여과사 분사노즐(100)과 와류형성 충돌판(110)이 구비되어 있고, 세정수량의 조절이 가능하여 세정효율을 양호하게 하는 세정수 조절월류웨어(130)가 구비되어 있으며, 또한 용존유기물이나 중금속 이온을 제거하기 위한 활성탄흡착제(60)층과 활성탄흡착제 교환을 용이하게 하여 주는 활성탄 교체카트리지(61) 등으로 구성되는 것을 특징으로 한다.The present invention for achieving the above object is an upward flow continuous filtration to remove residual suspended matter, dissolved organic matter and heavy metal ions in the filtration raw water, such as sewage, sewage, wastewater and purified water using the filtration sand 50 and the activated carbon adsorbent 60 And an advanced cleaning apparatus comprising: a filter sand injection nozzle (100) and a vortex forming impact plate (110) for improving the removal efficiency of residual suspended matter attached to the filter sand and greatly reducing the fabrication height of the filter. The amount of water can be controlled to provide a washing water adjustment overflow wear 130 to improve the cleaning efficiency, and also facilitates the exchange of activated carbon adsorbent with the activated carbon adsorbent 60 layer for removing dissolved organic matter and heavy metal ions Activated carbon replacement cartridge 61 and the like.

도 1은 본 고안에 따른 상향류식 연속여과 및 세정 고도처리장치1 is an upflow continuous filtration and washing advanced processing apparatus according to the present invention

＜도면의 주요 부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

10 : 여과기 20 : 여과기 지지대10: strainer 20: strainer support

30 : 여과원수 유입관 40 : 여과원수 균등분배기30: Filtration source inflow pipe 40: Filtration source equal distribution

50 : 여과사 60 : 활성탄흡착제50: filtered yarn 60: activated carbon adsorbent

61 : 활성탄 교체카트리지(cartridge) 70 : 여과수 유출관61: activated carbon replacement cartridge (cartridge) 70: filtered water outflow pipe

80 : 여과수 월류웨어 90 : 양사관80: filtered water overflow wear 90: both pipes

100 : 여과사 분사노즐 110 : 와류형성 충돌판100: filtration yarn injection nozzle 110: vortex forming impact plate

120 : 세정실 130 : 세정수 조절월류웨어120: washing chamber 130: washing water adjustment wall wear

131 : 세정배수관 140 : 조절월류관 조정기131: washing and draining pipe 140: adjustment month pipe regulator

150 : 세정여과사 분배기 160 : 오염여과사 분배기150: washing filter distributor 160: dirty filter distributor

170 : 양사박스 180 : 배수밸브170: both companies 180: drain valve

상기의 목적을 달성하기 위한 본 고안의 구체적인 수단은 첨부된 도면을 참조하여 설명한다.Specific means of the present invention for achieving the above object will be described with reference to the accompanying drawings.

상향류식 연속여과 및 세정 고도처리장치에 있어서, 여과기(10) 본체, 여과기 본체를 지지하는 여과기 지지대(20)와;An upflow continuous filtration and washing advanced processing apparatus comprising: a filter (10) main body and a filter support (20) for supporting the filter main body;

여과원수를 유입하여 균등하게 상부의 여과사로 상향류하기 위한 여과원수유입관(30), 여과원수 균등분배기(40)와;A filtration raw water inflow pipe 30 and an filtration raw water equalizer 40 for inflowing the filtration raw water and evenly flowing upwards to the upper filtration sand;

오염된 여과사를 세정하기 위하여 압축공기로 여과사(10)를 세정실로 끌어 올리는 양사관(90)과;A conduit pipe 90 which pulls the filtered yarn 10 into the cleaning chamber with compressed air to clean the contaminated filtered yarn;

여과사에서 오염된 부유물을 효율적으로 탈리하기 위한 여과사 분사노즐(100), 와류형성 충돌판(110)과;A filter sand injection nozzle 100 and a vortex forming impingement plate 110 for efficiently detaching the contaminated suspended solids from the filter sand;

세정수량 조절이 가능한 세정수 조절월류웨어(130)와;Washing water adjusting moonware 130 capable of adjusting the amount of washing water;

여과원수 중의 잔류 용존유기물과 중금속 이온을 제거하기 위한 활성탄흡착제(60)층과;An activated carbon adsorbent (60) layer for removing residual dissolved organic matter and heavy metal ions in the filtered raw water;

활성탄흡착제 교환을 용이하게 하여 주는 활성탄 교체카트리지(cartridge)(61)와;An activated carbon replacement cartridge 61 for facilitating exchange of activated carbon adsorbents;

세정된 여과사를 균등하게 재투입하여 주는 세정여과사 분배기(150)와;A cleaning filter distributor (150) for re-inserting the cleaned filter yarn evenly;

오염된 여과사를 여과기(10)의 하부 호퍼(hopper)부로 균등 분배하기 위한 오염여과사 분배기(160)와;A contaminant filter distributor (160) for equally distributing the contaminated filter sand to the lower hopper portion of the filter (10);

여과수를 방류하기 위한 여과수 월류웨어(80), 여과수 유출관(70)과;A filtered water overflow wear (80) and a filtered water outlet pipe (70) for discharging the filtered water;

여과기 고장점검이나 수리시 배수하기 위한 배수밸브(180)와;A drain valve 180 for draining the strainer during the inspection or repair;

여과기 하단에 설치되어 여과사를 모아 양사하기 위한 양사박스(170)를 포함한 것을 특징으로 하는 것으로 구성되어 있다.Is installed at the bottom of the filter is configured to include a yangsa box 170 for collecting and filtering the filtration yarn.

특히, 양사관(90)은 내마모성에 강한 엔지니어링 플라스틱을 포함한 재질을 사용하고, 와류형성 충돌판(110)은 다수층의 원형마운드(circular mound) 형태로 구성되어 있고, 세정수 조절월류웨어(130)는 나사식으로 세정수량 조절이 가능한원뿔의 형상을 하고 있으며, 활성탄 교체카트리지(61)는 설치와 교체가 용이하도록 2조각 이상의 카트리지(cartridge)로 구성되어 있다.In particular, both pipes 90 is made of a material containing engineering plastics resistant to wear, and the vortex forming impact plate 110 is composed of a plurality of layers of circular mound, washing water adjustment moonware 130 ) Has the shape of a cone that can be adjusted in the amount of washing water, the activated carbon replacement cartridge 61 is composed of two or more pieces of cartridge (cartridge) to facilitate installation and replacement.

그 운전의 원리는 다음과 같다.The principle of the operation is as follows.

여과사가 충전된 여과기(10) 하부의 여과원수 유입관(30)을 통하여 유입되는 여과원수를 여과원수 균등분배기(40)를 사용하여 상향류로 여과사층을 통과시켜 여과원수 중의 잔류 부유물을 제거하여 맑은 여과수를 방류하고, 보다 더 고도의 처리수질을 얻기 위해서는 활성탄흡착제(60)층 설치하여 한번 더 거치게 하면 된다.The filtered raw water introduced through the filtered raw water inlet pipe 30 in the lower part of the filter 10 filled with the filtered sand is passed through the filtered sand layer in an upward flow using the filtered water equalizer 40 to remove residual suspended matter in the filtered raw water. In order to discharge the clear filtration water and to obtain a more advanced treatment water quality, the activated carbon adsorbent (60) layer may be installed once more.

여과과정에서 오염된 여과사는 양사관(90)을 통하여 세정실로 양사되어 양 사관 끝단의 여과사 분사노즐(100)과 와류형성 충돌판(110)에 의하여 오염된 잔류 부유물이 탈리된 후, 세정된 여과사는 세정여과사 분배기(150)를 통하여 균등하게 재투입된다.The filtered contaminated yarn in the filtration process is sprayed into the cleaning chamber through the pipe 90, so that the residual contaminants contaminated by the filter injection nozzle 100 and the vortex forming impingement plate 110 at both ends of the pipe are detached and then cleaned. Filtrate is re-injected evenly through the washing filter distributor 150.

이후 상기의 여과과정과 세정과정이 연속적으로 반복 동작을 하게 된다.Thereafter, the filtration process and the washing process are continuously repeated.

여과사 분사노즐(100)과 와류형성 충돌판(110)을 사용함으로써 여과사에 부착된 잔류 부유물의 탈리효과가 양호하고, 여과기(10)의 제작 높이를 크게 줄일 수 있으므로 여과기 제작비용이 절감되며 장소의 제약을 받지 않고 어느 장소에나 설치가 자유로운 효과를 가져온다.By using the filter sand injection nozzle 100 and the vortex forming impingement plate 110, the desorption effect of the remaining suspended matter adhering to the filter sand is good, and the manufacturing height of the filter 10 can be greatly reduced, thereby reducing the filter manufacturing cost. It is free to install in any place without being restricted by the place.

세정수 조절월류웨어(130)를 사용함으로써 세정수량의 조절이 가능하여 세정효율의 향상을 가져온다.By using the washing water adjusting moonware 130, the amount of washing water can be adjusted, resulting in an improvement in washing efficiency.

또한, 활성탄 교체카트리지(61)를 여과사층 상부에 덧붙여 설치함으로써 여과원수 중의 용존 유기물과 중금속 이온 등의 제거를 위하여 별도의 활성탄흡착장치를 설치하지 않아도 되므로 활성탄흡착장치 설치비용이 절감되고, 고도의 처리수질을 얻을 수 있으며 카트리지 타입이므로 활성탄흡착제의 설치와 교환을 용이하게 하여주는 효과를 가져온다.In addition, by installing the activated carbon replacement cartridge 61 in the upper part of the filter sand layer, it is not necessary to install a separate activated carbon adsorption device for the removal of dissolved organic matter and heavy metal ions in the filtered raw water, thereby reducing the cost of installing the activated carbon adsorption device. Treated water quality can be obtained, and the cartridge type has the effect of facilitating the installation and exchange of activated carbon adsorbent.

Claims (3)

상향류식 연속여과 및 세정 고도처리장치에 있어서, 여과기(10) 본체, 여과기 본체를 지지하는 여과기 지지대(20)와;An upflow continuous filtration and washing advanced processing apparatus comprising: a filter (10) main body and a filter support (20) for supporting the filter main body; 여과원수를 유입하여 균등하게 상부의 여과사로 상향류하기 위하여 여과기에 내장된 여과원수 유입관(30), 여과원수 균등분배기(40)와;A filtration raw water inlet tube 30 and a filtration raw water equalizer 40 built in the filter in order to flow the raw filtration water upwardly to the upper filtration sand; 오염된 여과사를 세정하기 위하여 압축공기로 여과사(10)를 세정실로 끌어 올리는 양사관(90)과;A conduit pipe 90 which pulls the filtered yarn 10 into the cleaning chamber with compressed air to clean the contaminated filtered yarn; 여과사에서 오염된 부유물을 효율적으로 탈리하기 위한 여과사 분사노즐(100), 와류형성 충돌판(110)과;A filter sand injection nozzle 100 and a vortex forming impingement plate 110 for efficiently detaching the contaminated suspended solids from the filter sand; 세정수량 조절이 가능한 세정수 조절월류제어(130)와;Washing water control moon control 130 capable of adjusting the amount of washing water; 여과원수 중의 잔류 용존유기물과 중금속 이온을 제거하기 위한 활성탄흡착제(60)층과;An activated carbon adsorbent (60) layer for removing residual dissolved organic matter and heavy metal ions in the filtered raw water; 활성탄흡착제 교환을 용이하게 하여 주는 활성탄 교체카트리지(cartridge)(61)와;An activated carbon replacement cartridge 61 for facilitating exchange of activated carbon adsorbents; 세정된 여과사를 균등하게 재투입하여 주는 세정여과사 분배기(150)와;A cleaning filter distributor (150) for re-inserting the cleaned filter yarn evenly; 오염된 여과사를 여과기(10)의 하부 호퍼(hopper)부로 균등 분배하기 위한 오염여과사 분배기(160)와;A contaminant filter distributor (160) for equally distributing the contaminated filter sand to the lower hopper portion of the filter (10); 여과수를 방류하기 위한 여과수 월류웨어(80), 여과수 유출관(70)과;A filtered water overflow wear (80) and a filtered water outlet pipe (70) for discharging the filtered water; 여과기 고장점검이나 수리시 배수하기 위한 배수밸브(180)와;A drain valve 180 for draining the strainer during the inspection or repair; 여과기 하단에 설치되어 여과사를 모아 양사하기 위한 양사박스(170)를 포함하는 것을 특징으로 하는 상향류식 연속여과 및 세정 고도처리장치.The upflow continuous filtration and washing advanced processing apparatus, characterized in that it comprises a yangsa box 170 is installed at the bottom of the filter to collect and filter the filtration yarn. 상기 제1항에서 와류형성 충돌판(110)은 다수층의 원형마운드(circular mound)의 형태로 제작되고, 세정수 조절월류웨어(130)는 나사식으로 세정수량 조절이 가능한 원뿔의 형상을 하고 있으며 양사관(90)의 말단에 여과사 분사노즐(100)이 부착되어 있는 것을 특징으로 하는 상향류식 연속여과 및 세정 고도처리장치.The vortex forming impact plate 110 in claim 1 is formed in the form of a plurality of layers of circular mound (circular mound), washing water adjusting moonware 130 is in the shape of a cone that can adjust the amount of cleaning water screw type And upstream continuous filtration and washing advanced processing apparatus, characterized in that the filter yarn injection nozzle 100 is attached to the end of both pipes (90). 상기 제1항에서 활성탄 교체카트리지(61)는 활성탄흡착제(60)의 설치와 교환이 용이하도록 2조각 이상의 카트리지(cartridge)의 형태로 구성되는 것을 특징으로 하는 연속여과 및 세정 고도처리장치.The activated carbon replacement cartridge (61) of claim 1 is a continuous filtration and cleaning advanced processing apparatus, characterized in that configured in the form of two or more cartridges (cartridge) to facilitate installation and exchange of activated carbon adsorbent (60).
KR20-2003-0027161U 2003-08-23 2003-08-23 Advanced Treatment Apparatus for Filtering and Washing Continuously Raw Water to Flow Up KR200334442Y1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860079B1 (en) 2008-02-14 2008-09-24 유림엔마텍(주) A upward flow type filter and backwash method and the appratus for water treater
KR100923450B1 (en) 2007-11-08 2009-10-27 김태곤 A apparatus for non-point source purification and a methode thereof
KR20230064812A (en) * 2021-11-04 2023-05-11 임새해 Water purifier for aquarium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100923450B1 (en) 2007-11-08 2009-10-27 김태곤 A apparatus for non-point source purification and a methode thereof
KR100860079B1 (en) 2008-02-14 2008-09-24 유림엔마텍(주) A upward flow type filter and backwash method and the appratus for water treater
KR20230064812A (en) * 2021-11-04 2023-05-11 임새해 Water purifier for aquarium
KR102647638B1 (en) 2021-11-04 2024-03-13 임새해 Water purifier for aquarium

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