KR101685511B1 - Sewage water separation filtration tank - Google Patents

Sewage water separation filtration tank Download PDF

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Publication number
KR101685511B1
KR101685511B1 KR1020160052238A KR20160052238A KR101685511B1 KR 101685511 B1 KR101685511 B1 KR 101685511B1 KR 1020160052238 A KR1020160052238 A KR 1020160052238A KR 20160052238 A KR20160052238 A KR 20160052238A KR 101685511 B1 KR101685511 B1 KR 101685511B1
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South Korea
Prior art keywords
chamber
filtration
sewage
discharge
water separation
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KR1020160052238A
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Korean (ko)
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김태영
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김태영
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F11/00—Cesspools
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment

Abstract

The present invention relates to a living sewage oil-water separation filtration tank. A filtration tank formed of a rectangular container having a predetermined size is provided with a cover, a filtration chamber and a discharge chamber are formed on the sides of an inlet and an outlet of the rectangular container, an oil-water separation chamber and a deposit chamber are formed to be partitioned between the filtration chamber and the discharge chamber, the oil-water separation chamber and the deposit chamber are formed to communicate through a partition lower pothole, a detachable filtration cylinder is provided in the filtration chamber to be connected to an outlet of an inlet tube, food waste of a sewage layer flowing into the filtration chamber is filtrated by the filtration cylinder, the oil-water separation chamber and the deposit chamber connected to the filtration chamber allow an oil component and detergent foam of sewage collected in the oil-water separation chamber and the deposit chamber to float by opening the upper portion, to be separated from the sewage, they can be skimmed off, solids in the sewage can sink and be deposited under water, an inverted-L shaped discharge tube is installed at a predetermined height from the bottom in the discharge chamber to allow the sewage to flow out through the discharge tube when the sewage collected in the discharge chamber reaches a predetermined level. When the sewage is discharged through a sewer line, foul odors occurring in the sewer line are prevented from reversely flowing into the filtration chamber through the discharge tube, it is possible to safely filtrate and discharge living sewage, and a coupling portion of a connection tube discharge tube formed in the inlet tube and in the outlet is formed integrally with a container to prevent leakage at the coupling portion.

Description

생활 하수 유수 분리 여과조{Sewage water separation filtration tank}Sewage water separation filtration tank [0002]

본 발명은 가정이나 식당에서 발생된 생활하수를 하수관로로 방류할 때 생활하수중에 포함된 음식물 찌꺼기와 세제거품 및 기름기가 하수관로로 방류되는 것을 적극 방지할 수 있게 유수분리부 및 침전기능을 형성시킨 생활하수 여과조에 관한 것으로 보다 구체적인 것은, 여과조를 구성하는 용기내에 형성된 여과실과 방류실 사이에 유수분리 및 침전실을 구획되게 형성하여 유수분리 및 침전조를 칸막이의 하측 연통공으로 연통시키고, 유입관의 내측면에 연결관 결합부를 형성하여 연결관의 접속이 안전하도록 하며, 방류실의 배출구 내측에 "

Figure 112016090408811-pat00010
" 형 배출관을 착탈할 수 있게 장치하여 침전실의 침전물이 배출구로 유입되지 않게 함으로써, 여과조에 유입되어 방출되는 생활하수가 여과실과 유수분리 및 침전실과 방류실을 차례로 통과하여 하수관로로 방류될 때, 음식찌꺼기와 기름성분과 세제거품이 하수관로에 유입 배출되는 것을 적극 방지하고, 또한 하수관로내에서 발생한 악취가 여과조로 역류되지 못하게 한 것이다.
The present invention relates to a method and apparatus for preventing the discharge of food waste, detergent foam, and grease contained in domestic wastewater into a sewer pipe when domestic sewage generated in a home or a restaurant is discharged to a sewage pipe, More specifically, the present invention relates to a sewage filtration tank in which oil water separation and precipitation chambers are partitioned between a filtration chamber and a discharge chamber formed in a container constituting a filtration tank so that oil water separation and sedimentation tank are communicated with a lower communication hole of a partition, So that the connection of the connection pipe is secured. In addition,
Figure 112016090408811-pat00010
When the sewage discharged into the filtration tank and discharged is passed through the filtration chamber, the water separation, the precipitation chamber and the discharge chamber in order, and then discharged to the sewage line, It prevents the food waste, oil component and detergent foam from flowing into and out of the sewage pipe, and prevents the odor generated in the sewer pipe from flowing back to the filtration tank.

가정이나 식당에서 발생하는 생활하수는 기름성분이 많고 세제성분도 있고, 음식물 찌꺼기가 많기 때문에 하수관로에 그대로 방류하게 되면, 하천을 오염시켜 생태환경을 파괴시켜 인체에 피해를 주는 문제가 있다The household sewage generated in homes and restaurants has a lot of oil components, detergent ingredients, and food waste, so if they are released into the sewer pipe, they will pollute the river and destroy the ecological environment, causing damage to the human body

따라서 이를 예방하기 위한 여러가지 정화장치가 개발되어 있으나 생활하수를 여과하면서 음식물 찌꺼기와 기름기와 세제 거품을 분리하여 방류하는 장치가 없어 하천 오염을 개선할 수 없는 문제가 있고, 하수구의 냄새가 여과조로 역류하는 것을 방지하기 힘든 불편이 있었다.
Therefore, various purification apparatuses have been developed to prevent this, but there is a problem that stream pollution can not be improved because there is no apparatus for separating food waste, grease and detergent foam from household sewage while filtering sewage water, and there is a problem that the smell of sewage There was a difficulty to prevent.

본 발명은 상기 불편을 해소할 수 있도록 개발된 것이다.
The present invention has been developed to solve the above inconvenience.

본 발명은 일정규격을 가지는 직4각형 용기로 된 여과조에 뚜껑을 구비하고, 직4각형 용기의 유입구와 배출구측에 여과실과 방류실을 형성하고, 여과실과 방류실 사이에 유수분리 및 침전실이 구획되도록 형성하여 유수분리 및 침전실은 칸막이 하단통수구를 통해 서로 연통되게 형성하고, 여과실에는 착탈형 여과통을 장치하여 유입관의 출구와 연계되도록 장치함으로써, 여과실에 유입되는 하수층의 음식물 찌꺼기는 여과통에서 여과되고, 여과실과 연계되는 유수분리 및 침전실은 상부를 개방하여 유수분리실 및 침전실에 모이는 하수중의 기름성분과 세제 거품을 부유시켜 하수와 분리하여, 외부로 걷어낼 수 있게 하면서 하수중의 고형물이 물밑으로 가라앉아 침전되게 할 수 있고, 방류실에는 바닥에서 일정높이를 두고 "

Figure 112016090408811-pat00011
"형의 배출관을 설치하여 방류실에 모이는 하수가 일정수위가 되면 배출관으로 흘러나가게 구성하여 하수관로로 방류될 때, 하수관로에서 발생하는 악취가 배출관을 통해 여과실로 역유입되지 못하게 하여 생활하수를 안전하게 여과방류할 수 있게 구성하며, 유입관의 내측과 배출구의 내측에 형성되는 연결관과 배출관의 결합부를 용기와 일체로 성형하여 결합부에서의 누출도 방지되게 한 것이다.
The present invention is characterized in that a lid is provided in a filtration tank made up of a rectangular quadrangular container having a predetermined size, a filtration chamber and a discharge chamber are formed on the inlet and outlet sides of the rectangular quadrangular container, a water separation and precipitation chamber is provided between the filtration chamber and the discharge chamber The water separation and precipitation chambers are formed so as to communicate with each other through the lower end of the partition, and the filter chamber is provided with a removable filter box so as to be connected to the outlet of the inflow pipe, whereby the food waste in the sewage layer The oil separation and precipitation chamber connected with the filtration chamber is separated from the sewage by floating the oil component and the detergent foam in the wastewater collected in the wastewater recovery chamber and the precipitation chamber by opening the upper portion, Of solids can sink into the bottom of the water and settled,
Figure 112016090408811-pat00011
"When the discharge pipe is installed and the sewage collected in the discharge chamber reaches a certain level, it flows out to the discharge pipe. When discharged to the sewer pipe, the odor generated in the sewage pipe is prevented from flowing into the filter chamber through the discharge pipe, And the joint portion of the connection pipe and the discharge pipe formed inside the inlet pipe and the outlet pipe is integrally formed with the container to prevent leakage at the connection portion.

이와 같이 된 본 발명은 여과조 용기의 여과실 측벽에 유입구를 형성하고, 그 출구측에 연결관이 접속되어 유입구로 유입된 생활하수가 여과통을 거쳐 유입실에 유입되게 되므로 입자가 큰 찌꺼기를 여과할 수 있고, 유입구에 형성된 연결관의 결합부가 용기와 일체로 되어 누설의 염려가 없는 장점이 있으며, 여과실에 유입된 생활하수는 여과실과 연통된 유수분리 및 침전실에 모이게 되는데, 이때 기름기와 세제거품은 수면 위로 부유되고 미세고형물은 바닥으로 가라앉게 되므로 기름기와 세제거품 그리고 미세고형물이 하수에서 분리시킬 수 있는 이점이 있고, According to the present invention as described above, the inlet port is formed on the sidewall of the filter chamber of the filtration vessel, and the connection pipe is connected to the outlet port of the filtration vessel, and the domestic sewage introduced into the inlet port flows into the inflow chamber through the filtration tube. And the connection part of the connection pipe formed at the inlet port is integrated with the container, so that there is no fear of leakage. The domestic sewage introduced into the filtration chamber is collected in the oil separation and precipitation chamber communicating with the filtration chamber. At this time, The bubbles float above the surface of the water and the fine solids sink to the bottom, which has the advantage that oil, detergent foam and fine solids can be separated from the sewage,

기름기와 세제거품은 유수분리 및 침전실의 구획벽 사이에서 상면으로 부상하고, 일정량이 많아지면 유수분리 및 침전실의 개방부를 열고 외부로 걷어 내어 처리하게 되므로 처분이 용이하고, The grease and detergent foam float on the upper surface between the partition walls of the oil separation and precipitation chambers. When the amount of oil is increased, the oil separation and the opening portion of the precipitation chamber are opened,

기름기와 세제거품이 부유된 하수는 방류실로 이동하여 고이게 되고, 그 양이 점차 증가하여 방류수위가 되면 배출구에 형성된 배출관을 통해 하수관로로 배출되게 된다.The sewage flooded with grease and detergent foam moves to the discharge chamber, and the amount of sewage increases gradually. When the sewage is discharged, the sewage is discharged to the sewer pipe through the discharge pipe formed at the discharge port.

그러므로 본 발명은 생활하수중에 혼입된 음식물 찌꺼기와 기름기 및 세제거품을 여과조내에서 분리시키므로 하수중에 포함되어 하수관로로 방류되는 것을 적극 방지할 수 있게 된다.Therefore, the present invention separates food waste, grease, and detergent foam contained in domestic wastewater from the filtration tank, so that it can be prevented from being contained in sewage and discharged to the sewage line.

한편, 방류실에 설치된 배출관은 "

Figure 112016090408811-pat00001
"형으로 굽어져 그 입구가 배출관 보다 낮게 방류실의 수면 속에 위치하므로 하수관로에서 역류하는 악취가 배출관을 통과하지 못해 악취의 유입을 방지하는 작용을 가지게 되고, 유입구와 배출구에 연결되는 연결관과 배출관은 유입구 내면과 배출구 내면에 형성된 결합부에 각각 결합하여 상하방향으로 착탈가능케 결합되기 때문에 여과조를 청소할 때 분리하여 청소하기 좋은 이점이 있으며, 여과통은 여과실에 투입하거나 분리하기 좋아 사용이 편리한 이점이 있으며, 여과조바닥에 침전된 고형물은 일정시간을 정하여 제거하고 청소하면 되므로 청결하게 관리할 수 있는 이점이 있다.On the other hand, the discharge pipe provided in the discharge chamber is "
Figure 112016090408811-pat00001
And the inlet is located in the water surface of the discharge chamber lower than the discharge pipe, so that the odor that flows back from the sewer pipe can not pass through the discharge pipe, and has an action to prevent the inflow of odor, and the connection pipe and the discharge pipe Is combined with the coupling portion formed on the inner surface of the inlet port and the coupling portion formed on the inner surface of the discharge port to be detachable in the vertical direction so that it is advantageous to separate and clean the filtration tank when cleaning the filtration tank. And the solids precipitated on the bottom of the filtration tank can be removed and cleaned for a predetermined period of time.

또, 유입구와 배출구에는 직경이 다른 접속구가 이중으로 형성되어 있으므로 연결관로의 직경이 큰것이나 작은것을 접속구에 결합할 수 있어서 사용이 편리한 이점도 있다.
In addition, since the connection ports having different diameters are formed in the inlet port and the outlet port, a connection pipe having a large diameter or a small diameter can be coupled to the connection port, which is advantageous in use.

도 1은 본 발명의 사시도
도 2는 본 발명의 유입구 여과실 부분 사시도
도 3은 도 1의 단면도
도 4는 배출구 부분 사시도이다.BRIEF DESCRIPTION OF THE DRAWINGS FIG.
2 is a perspective view of an inlet filtration portion of the present invention
Figure 3 is a cross-
4 is a perspective view of the discharge port.

본 발명은 일정규격을 가지고 상부가 개방되며, 개방부에 뚜껑(1a)이 개폐되고 직4각형으로 되는 여과조용 용기(1)와, 여과조 용기의 양측벽에 유입구(3)와 배출구(5)가 형성되어 유입구 내측에 연결관(4)이 접속되고, 여과조 용기의 유입구(3)와 배출구(5)측에 여과실(100)과 방류실(300)이 형성되어 있으며, 여과실(100)의 내측 걸림턱(100a)위에 여과통(2)이 장치되는 것에 있어서,
여과실(100)과 방류실(300) 사이에 유수분리 및 침전실(200)이 형성되게 칸막이를 배치하여 유수분리 및 침전실은 칸막이(400)(500) 하단과 용기 바닥사이에 통수구(100b)(200a)을 형성하여 서로 연통되게 하고, 유입구(3)의 내측면에는 상단이 개방되게 결합홈(3c)을 형성하고, 결합홈(3c) 내측단에 이탈방지편(3d)을 형성하여 유입구(3) 내측에 결합되는 연결관(4)의 결합부(4a) 양측 결합돌부(4b)가 결합되게 하며, 방류조의 배출구(5)의 내측면에는 상단이 개방되게 U형상의 결합홈(5c)을 형성하여 결합홈 내측단에 이탈방지편(5d)을 형성하여 "

Figure 112016090408811-pat00012
"형상으로 되어 상단 결합부(6a)에 손잡이(6c)가 형성되고, 상단결합부 양측에 결합돌부(6b)가 형성된 배출관(6)을 하단이 방류실속에 잠기도록 결합시켜서 되는 구성이다.The present invention relates to a filtration tank container (1) having an open top and a lid (1a) opened and closed with a predetermined standard and having a rectangular shape, an inlet (3) and an outlet (5) A filter chamber 100 and a discharge chamber 300 are formed at the inlet 3 and the outlet 5 of the filtration vessel and the filter chamber 100 is connected to the inlet port 3, In the case where the filtering cylinder (2) is provided on the inner catching step (100a)
A partition is disposed between the filtration chamber 100 and the discharge chamber 300 to form a water separation and precipitation chamber 200. The water separation and precipitation chamber is provided between the lower end of the partition 400 and the bottom of the vessel, The coupling groove 3c is formed in the inner side surface of the inlet 3 so as to open the upper end and the separation preventing piece 3d is formed at the inner end of the coupling groove 3c A coupling portion 4a of a coupling pipe 4 coupled to the inside of the inlet port 3 and a coupling protrusion 4b of both sides are coupled to each other. 5c are formed so as to form an escape preventing piece 5d at the inner end of the engaging groove,
Figure 112016090408811-pat00012
The lower end of the discharge pipe 6 is engaged with the discharge stall so that the discharge pipe 6 having the handle 6c formed on the upper end engaging portion 6a and the engaging protrusion 6b formed on both sides of the upper end engaging portion.

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1 : 여과조용 용기 1a : 뚜껑
2 : 여과통 2a : 미세여과공
2b : 손잡이 2c : 지지판
3 : 유입구 3a,3b : 접속관
3c : 결합홈 3d : 이탈방지편
4 : 연결관 4a : 결합부
4b : 결합돌부 4c : 손잡이
5 : 배출구 5a,5b : 접속관
5c : 결합홈 5d : 이탈방지편
6 : 배출관 6a : 결합부
6b : 결합돌부 6c : 손잡이
100 : 여과실 100a : 걸림턱
100b : 통수구 200 : 유수분리 및 침전실
200a : 통수구 300 : 방류실
400,500 : 칸막이1: container for filtration tank 1a: lid
2: filter bag 2a: fine filter ball
2b: handle 2c: support plate
3: inlet 3a, 3b: connecting tube
3c: coupling groove 3d: deviation prevention piece
4: Connector 4a: Coupling portion
4b: engaging projection portion 4c: handle
5: outlet 5a, 5b: connecting pipe
5c: coupling groove 5d:
6: discharge pipe 6a:
6b: engaging projection 6c: handle
100: Fruit 100a: Hanging jaw
100b: Water outlet 200: Oil separation and precipitation chamber
200a: water pipe 300: discharge chamber
400,500: partition

Claims (1)

일정규격을 가지고 상부가 개방되며, 개방부에 뚜껑(1a)이 개폐되고 직4각형으로 되는 여과조용 용기(1)와, 여과조 용기의 양측벽에 유입구(3)와 배출구(5)가 형성되어 유입구 내측에 연결관(4)이 접속되고, 여과조 용기의 유입구(3)와 배출구(5)측에 여과실(100)과 방류실(300)이 형성되어 있으며, 여과실(100)의 내측 걸림턱(100a)위에 여과통(2)이 장치되는 것에 있어서,
여과실(100)과 방류실(300) 사이에 유수분리 및 침전실(200)이 형성되게 칸막이를 배치하여 유수분리 및 침전실은 칸막이(400)(500) 하단과 용기 바닥사이에 통수구(100b)(200a)을 형성하여 서로 연통되게 하고, 유입구(3)의 내측면에는 상단이 개방되게 결합홈(3c)을 형성하고, 결합홈(3c) 내측단에 이탈방지편(3d)을 형성하여 유입구(3) 내측에 결합되는 연결관(4)의 결합부(4a) 양측 결합돌부(4b)가 결합되게 하며, 방류조의 배출구(5)의 내측면에는 상단이 개방되게 U형상의 결합홈(5c)을 형성하여, 결합홈 내측단에 이탈방지편(5d)을 형성하여 "
Figure 112016090408811-pat00013
"형상으로 되어 상단 결합부(6a)에 손잡이(6c)가 형성되고, 상단결합부 양측에 결합돌부(6b)가 형성된 배출관(6)을 하단이 방류실속에 잠기도록 결합시켜서 되는 생활하수 유수 분리 여과조.A container 1 for a filtration tank in which an upper portion is opened with a predetermined standard and a lid 1a is opened and closed in a rectangular shape and an opening portion is formed in both side walls of the filtration tank container; And a filtration chamber 100 and a discharge chamber 300 are formed on the inlet 3 and outlet 5 sides of the filtration vessel and the inner side of the filter chamber 100 In the case where the filter bag 2 is mounted on the jaw 100a,
A partition is disposed between the filtration chamber 100 and the discharge chamber 300 to form a water separation and precipitation chamber 200. The water separation and precipitation chamber is provided between the lower end of the partition 400 and the bottom of the vessel, The coupling groove 3c is formed in the inner side surface of the inlet 3 so as to open the upper end and the separation preventing piece 3d is formed at the inner end of the coupling groove 3c A coupling portion 4a of a coupling pipe 4 coupled to the inside of the inlet port 3 and a coupling protrusion 4b of both sides are coupled to each other. 5c are formed so that the release preventing pieces 5d are formed at the inner ends of the coupling grooves,
Figure 112016090408811-pat00013
A drainage pipe 6 having a handle 6c formed on the upper end engaging portion 6a and a coupling protrusion 6b formed on both sides of the upper end engaging portion so that the lower end of the discharge pipe 6 is locked to the discharge stall, Filtration tank.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107055686A (en) * 2017-03-28 2017-08-18 刘奎东 A kind of floating level oil catcher and oily water separating equipment
WO2019148332A1 (en) * 2018-01-30 2019-08-08 江苏科力斯通新材料有限公司 Water purification pool capable of processing wastewater leakage
KR20210070055A (en) 2019-12-04 2021-06-14 (주)오택 Sewage water separation filtration tank
CN114436418A (en) * 2022-01-04 2022-05-06 上海星级酒店设备工程有限公司 Full-automatic food and beverage water oil separating equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200385714Y1 (en) * 2005-02-11 2005-06-02 김태영 Settling tank for sewer
KR20130022717A (en) * 2011-08-26 2013-03-07 남기윤 Apparatus for removing non-point source pollution from rainwater with control function

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200385714Y1 (en) * 2005-02-11 2005-06-02 김태영 Settling tank for sewer
KR20130022717A (en) * 2011-08-26 2013-03-07 남기윤 Apparatus for removing non-point source pollution from rainwater with control function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107055686A (en) * 2017-03-28 2017-08-18 刘奎东 A kind of floating level oil catcher and oily water separating equipment
WO2019148332A1 (en) * 2018-01-30 2019-08-08 江苏科力斯通新材料有限公司 Water purification pool capable of processing wastewater leakage
KR20210070055A (en) 2019-12-04 2021-06-14 (주)오택 Sewage water separation filtration tank
KR20220050108A (en) 2019-12-04 2022-04-22 (주)오택 Sewage water separation filtration tank
CN114436418A (en) * 2022-01-04 2022-05-06 上海星级酒店设备工程有限公司 Full-automatic food and beverage water oil separating equipment

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