KR960003919B1 - Apparatus for waste water treatment - Google Patents

Apparatus for waste water treatment Download PDF

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Publication number
KR960003919B1
KR960003919B1 KR1019930015816A KR930015816A KR960003919B1 KR 960003919 B1 KR960003919 B1 KR 960003919B1 KR 1019930015816 A KR1019930015816 A KR 1019930015816A KR 930015816 A KR930015816 A KR 930015816A KR 960003919 B1 KR960003919 B1 KR 960003919B1
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South Korea
Prior art keywords
tank
conduit
filtration tank
waste
waste oil
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KR1019930015816A
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Korean (ko)
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KR950005756A (en
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조원배
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조원배
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The apparatus for treating waste water including a lot of waste oil induces the sedimentation of the condensed sludge floating on the waste water by using the chemical coagulant in a short while. The apparatus comprises the ion membrane(3) mounted at the vortex shaft(18) of the filtering tank(1) elongated to the processing tank(21), connected to the motor(10); the impeller(19) provided at the bottom of the processing tank; the filtering fabric(7b) fastened at the discharging port(7a); the branch pipe(7) connected with the slurry discharging pipe(5) and slurry feeding pipe(6); the air tank(23) and waste-oil collector(8) for supporting the filtering tank; the injector(22b) and the sensor(22a) connected with the waste-oil suction tube(22c); and the oil-water separator(22) connected with the waste-oil collector.

Description

폐수 처리장치Wastewater treatment unit

제 1 도는 본 발명의 전체개략도.1 is a schematic of the present invention.

제 2 도는 본 발명의 단면도임.2 is a cross-sectional view of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 여과조 3 : 이온막1: filtration tank 3: ion membrane

4 : 회전축 5 : 슬러리배출도관4: rotating shaft 5: slurry discharge conduit

5a : 밸브장치 6 : 슬러지이송도관5a: Valve device 6: Sludge transfer conduit

7 : 분류도관 7a : 배출구7: Classification conduit 7a: Outlet

7b : 여과포 8 : 폐유수집기7b: filter cloth 8: waste oil collector

9 : 폐유공급도관 10 : 모터9: waste oil supply conduit 10: motor

11: 콤프레서 12 : 펌프11: compressor 12: pump

13 : 배기관 14 : 안전휀스13 exhaust pipe 14 safety fence

15 : 계단 16 : 폐수공급도관15: staircase 16: wastewater supply conduit

17 : 스트레이너 18 : 와류축17: strainer 18: vortex shaft

19 : 임펠러 20 : 응집제공급도관19 impeller 20 flocculant supply conduit

21 : 처리조 22 : 유수분리기21: treatment tank 22: oil water separator

22a : 오일센서 22b : 인젝터22a: oil sensor 22b: injector

22c : 폐오일흡입도관 22d : 오일스트레이너22c: Waste oil suction conduit 22d: Oil strainer

23 : 에어탱크 23a : 에어인입도관23: air tank 23a: air inlet conduit

24 : 유층24: oil layer

본 발명은 폐수, 특히 다량의 폐유 등 오일성분이 포함된 폐수의 처리장치에 관한 것이다.The present invention relates to an apparatus for treating wastewater, particularly wastewater containing oil components such as a large amount of waste oil.

산업시설을 운영함에 있어서 각종 폐수의 방출은 불가피한 것이다. 이에 폐수를 일정수준으로 정화시켜 방출하도록 규정하고 있는 바, 이들 폐수정화에 대한 각종 장치와 화학처리제 또는 생물학적 처리제가 제공되어 오고 있다.In operating industrial facilities, the discharge of various wastewater is inevitable. As a result, the wastewater has been regulated to be discharged to a certain level, and various apparatuses and chemical or biological treatment agents for these wastewater purifications have been provided.

본 발명은 종래 사용되어 오던 화학응집제에 의한 페수처립법을 사용하여 정화된 페수 중에 부유되어 있는 응집된 오니의 침전유도를 최단시간 내에 가능하게 한 새로운 폐수처리장치에 관한 것이다.The present invention relates to a new wastewater treatment apparatus that enables the induction of precipitation of flocculated sludge suspended in purified wastewater using a wastewater impregnation method using a chemical coagulant, which has been conventionally used, in the shortest time.

이하, 본 발명의 구체적인 일실시예를 첨부한 도면에 의하여 설명한다.Hereinafter, with reference to the accompanying drawings a specific embodiment of the present invention.

본 발명은 종래 응집제 투여 후 침전을 유도하는 처리조, 응집조, 침전조의 적어도 3가지 이상의 대단위 폐수저장조 또는 탱크가 사용되는 대신에 여과조(1) 1대당 1개의 처리조(21)만이 필요한 것에 특징이 있다.The present invention is characterized in that only one treatment tank (21) per filter tank (1) is required instead of using at least three or more large-scale wastewater storage tanks or tanks of a treatment tank, flocculation tank, and precipitation tank which induce precipitation after conventional flocculant administration. There is this.

제 1 도에 도시하듯이 일정형태의 처리조(21)의 개방된 상부에 여과조(1)의 하부가 대향되도록 설치된다. 여과조(1)의 하부에서 길게 연장된 와류축(18)은 상부의 모터(1)의 구동축과 일체로 연결되며, 와류축(18)의 선단에는 임펠러(19)가 설치되고, 제 2 도에 도시하듯이 와류축(18)이 여과조(1)를 통과하는 곳에서는 이온막(3)이 다판으로 설치되어 있다.As shown in FIG. 1, the lower part of the filtration tank 1 is installed in the open upper part of the processing tank 21 of a certain form so that it may oppose. The vortex shaft 18 extending long from the lower part of the filtration tank 1 is integrally connected with the drive shaft of the upper motor 1, and an impeller 19 is installed at the tip of the vortex shaft 18, and FIG. As shown, the ion membrane 3 is provided in multiple board | plates in the place where the vortex shaft 18 passes the filtration tank 1. As shown in FIG.

처리조(21)의 측벽에는 유수분리기(22)가 설치되어져 폐오일흡입도관(22c)에 의하여 연통되어 있다.The oil / water separator 22 is provided on the side wall of the processing tank 21, and is communicated with the waste oil suction conduit 22c.

전체적인 배관관계를 설명한다.Describe the overall piping relationship.

여과조(1)의 하부에 설치되는 슬러리배출도관(5)은 길게 연장되어 일방향은 분류도관(7)에까지 연통되어지며, 다른 방향은 밸브장치(5a)로 연결되게 하였다. 여과조(1)의 하부에는 선단에 스트레이너가 설치된 폐수공급도관(16)이 처리조(21)의 저면에까지 연장되어 있다. 여과조(1)의 상부에서 저면까지는 배기관(13)이 형성되어져 처리중 발생되는 배기가스를 방출하도록 한다.The slurry discharge conduit 5 installed at the lower part of the filtration tank 1 is extended so that one direction communicates with the fractionation conduit 7 and the other direction is connected to the valve device 5a. In the lower part of the filtration tank 1, the wastewater supply conduit 16 provided with the strainer at the front end extends to the bottom face of the treatment tank 21. An exhaust pipe 13 is formed from the top to the bottom of the filtration tank 1 to discharge the exhaust gas generated during the treatment.

에어탱크(23)에는 콤프레서(11)에서 공급되는 고압의 공기가 이송될 수 있도록 에어인입도관(23a)이 연결되며, 타측에는 에어배출도관(23b)이 설치되어 여과조(1)와 연결되어 있다. 폐유수집기(8)에서 연장되는 폐유공급도관(9)은 유수분리기(22)와 연결되어 인젝터(22b)의 작동에 의하여 공급되는 폐유를 수납하도록 한다.The air inlet conduit 23a is connected to the air tank 23 so that the high pressure air supplied from the compressor 11 can be transferred, and the air discharge conduit 23b is installed at the other side and is connected to the filtration tank 1. . The waste oil supply conduit 9 extending from the waste oil collector 8 is connected to the oil water separator 22 to accommodate the waste oil supplied by the operation of the injector 22b.

별도로 설치된 도면에 도시하지 아니한 약품공급기에서 연장되어 나온 통상의 응집제공급도관(20)은 처리조(21)의 개방 상부에 일정 높이를 두고 설치되어 있다.A conventional flocculant supply conduit 20 extending from the chemical feeder not shown in the separately installed drawings is installed at a predetermined height in the open upper portion of the treatment tank 21.

처리조(21)는 공장의 페수배출로와 연결되어 지하 또는 지상에 설치할 수 있다.The treatment tank 21 may be connected to the wastewater discharge path of the factory and installed in the basement or the ground.

이상의 구조를 본 발명은 폐수처리장치의 자동차 세차폐수처리를 예로하여 설명한다.The present invention will be described by taking the car wash wastewater treatment of the wastewater treatment apparatus as an example.

통상의 자동차 세차폐수에는 다량의 폐유가 함유되어 있어 처리조(21)에 저장시켜 놓으면 극성이 다른 폐유는 물과 층 분리가 되어지는 것이다. 이때에 형성된 유층(24)에 폐오일흡입도관(22c)이 접하여 있으므로 폐오일흡입도관(22c)을 통하여 유수분리기(22)에 폐유가 도입되므로 센서(22a)의 신호에 의거 인젝터(22b)가 작동되어 폐유공급도관(9)을 통하여 폐유는 폐유수집기(8)에 이송되어져 수집되어지는 것이다.In a typical car wash waste water, a large amount of waste oil is contained, and when stored in the treatment tank 21, waste oils having different polarities are separated from water. Since the waste oil suction conduit 22c is in contact with the oil layer 24 formed at this time, the waste oil is introduced into the oil / water separator 22 through the waste oil suction conduit 22c, so that the injector 22b is based on the signal of the sensor 22a. Through operation, the waste oil is collected and transported to the waste oil collector 8 through the waste oil supply conduit 9.

폐유가 충분히 분리제거되면 화학응집제가 응집제공급도관(20)을 통하여 폐수의 PH, 오염도, 화합물농도 등에 의거 자동투입되며, 이 응집제의 투입과 함께 모터(10)가 작동하여 와류측(4)의 회전으로 임펠러(19)와 이온막(3)이 함께 회전된다. 회전속도는 분당 5∼30회 정도가 적당하다. 회전이 계속되면 응집처리제의 작용으로 폐수내의 오염물이 응집되면 폐수내에 부유된다.When the waste oil is sufficiently separated and removed, the chemical coagulant is automatically introduced through the coagulant supply conduit 20 based on the pH, the pollution level, the compound concentration, etc. of the wastewater. By rotation, the impeller 19 and the ion membrane 3 rotate together. Rotational speed is appropriate about 5 to 30 times per minute. If the rotation continues, the contaminants in the wastewater are suspended in the wastewater due to the action of the flocculant.

화학처리 된 폐수는 폐수공급도관(16)을 통하여 여과조(1)의 하부에 공급되어 회전하는 이온막(3)에 전기적 인력에 의하여 응집되어 하부에 침적되는 것이다.The chemically treated wastewater is supplied to the lower portion of the filtration tank 1 through the wastewater supply conduit 16 and is agglomerated by electrical attraction to the rotating ion membrane 3 to be deposited on the lower portion.

여과조(1)에는 에어탱크(23)에서 에어인입도관(23)을 통하여 공급되는 고압공기가 수납된 여과조내의 압력을 7kg/㎠∼70kg/㎠으로 유지시켜 침전을 가속화한다.In the filtration tank 1, the pressure in the filtration tank containing the high pressure air supplied from the air tank 23 through the air inlet pipe 23 is maintained at 7 kg / cm 2 to 70 kg / cm 2 to accelerate the precipitation.

침적된 오니들은 슬러리배출도관(5)을 빠져나가서 슬러지이송도관(6)을 관통하여 분류도관(7)에 축적되며, 배출구(7a)에 매달린 여과포(7b)에 오니들이 걸러지도록 한다. 밸브(5a)는 슬러리배출도관(5)에 오니들이 강하게 뭉쳐져 분류도관으로 물의 이동이 방해될 때마다 자동 개폐되어 점질상 오니는 배출시켜 준다.The deposited sludge passes through the slurry discharge conduit 5 and passes through the sludge transfer conduit 6 to accumulate in the fractionation conduit 7 so that the sludge is filtered through the filter cloth 7b suspended from the outlet 7a. Valve (5a) is a sludge bunched strongly in the slurry discharge conduit (5) is automatically opened and closed every time the movement of water to the fractionation conduit is discharged viscous sludge discharge.

여과포의 세망크기는 오니가 통과할 수 없을 정도로 미세하므로 깨끗이 정화된 물은 그대로 통과하여 낙하배출되고 오니는 여과포에 잔류하므로 폐수의 정화가 완료되는 것이다.The semantic size of the filter cloth is so fine that sludge cannot pass, so the purified water is passed through as it is, and the sludge remains in the filter cloth so that the purification of waste water is completed.

여과조(1)에서 오니를 거르는 도중에 발생되는 폐가스는 배기관(13)을 통하여 방출되며, 여과조 상부의 모터,콤프레서 등의 정비점검을 사람이 직접계단(15)을 통하여 올라가서 점검이 가능한 것이다. 분류도관(7)은 분할칸(7c)을 설치하여 분할사용도 가능하다.Waste gas generated while filtering sludge from the filtration tank 1 is discharged through the exhaust pipe 13, and a person can directly check the maintenance inspection of a motor, a compressor, etc. at the upper part of the filtration tank through the stairs 15. The sorting conduit 7 can also be dividedly used by providing a split compartment 7c.

본 발명에서 고압에 의한 오니 침전가속은 종래와 같이 침전시간의 경과가 필요없이 응집제 투여후 즉시 제거가능하므로 대형의 처리조, 응집조, 침전조 등의 설비가 필요없으며, 단위시간당 폐수처리능력도 최대로 할 수 있는 것이다.In the present invention, the sludge settling acceleration by the high pressure can be removed immediately after administration of the flocculant, without the need for the passage of the settling time as in the prior art, and thus does not require a large treatment tank, a flocculation tank, a settling tank, etc. I can do it.

Claims (2)

화학적 응집제 등의 투여 후 오니를 침전제거하는 처리조, 응집조, 침전조 등으로 구성되는 폐수처리장치에 있어서, 모터(1)의 구동축에 연결되어 처리조(21)의 하부까지 연장된 와류축(18)의 여과조(1) 내부통과 부분에는 이온막(3)이 설치되고, 그 여과조(1) 노출되어 처리조(21) 하부까지는 선단에 임펠러(19)가 설치되며, 여과조(1)의 상부에는 다수의 배출구(7a)에 여과포(7b)가 체결되어져 있고, 여과조 하부의 슬러리 배출도관(5)과 슬러지이송도관(6)에 연통된 분류도관(7)이 설치되며, 여과조(1)의 외주벽에 별도의 2 이상 에어탱크(23)와 폐유수집기(8)가 여과조(1)를 지지하여 주면서 설치되며, 처리조(21)의 일측벽에는 인젝터(22b), 센서(22a)가 폐오일흡입도관(22c)를 통하여 연통되어져 있고 상부는 폐유공급도관(9)를 통하여 폐유수집기(8)에 이어져 있는 유수분리기(22)가 설치되는 것을 특징으로 하는 폐수처리장치.In the wastewater treatment apparatus consisting of a treatment tank, a flocculation tank, a precipitation tank, etc. which precipitates sludge after administration of a chemical flocculant, etc., the vortex shaft connected to the drive shaft of the motor 1 and extended to the lower part of the treatment tank 21 ( An ion membrane 3 is provided in the inner passage portion of the filtration tank 1 of 18), and an impeller 19 is installed at the tip of the filtration tank 1 exposed to the lower portion of the treatment tank 21, and an upper portion of the filtration tank 1 is provided. The filter cloth (7b) is fastened to the plurality of outlets (7a), the slurry discharge conduit (5) and the fractionation conduit (7) in communication with the sludge transfer conduit (6) at the bottom of the filtration tank is provided, Two or more air tanks 23 and waste oil collector 8 are installed on the outer circumferential wall while supporting the filtration tank 1, and an injector 22b and a sensor 22a are closed on one side wall of the treatment tank 21. It is communicated through the oil suction conduit 22c and the upper part is connected to the waste oil collector 8 through the waste oil supply conduit 9. A waste water treatment apparatus characterized in that the processor (22) is installed. 제 1 항에 있어서, 여과조(1)의 외주에 설치되는 에어탱크(23)와 폐유수집기(8)가 적어도 2 이상 설치되며, 에어탱크(23)와 콤프레서(11)의 고압공기도관이 연결되고 고압공기는 에어공급도관(23b)을 통하여 여과조에 이송될 수 있으며, 여과조(1)의 상부의 펌프(12)는 인젝터(22b), 폐수공급도관, 폐유공급도관(9)에 폐수 또는 폐유의 이송력 공급역할을 하는 것을 특징으로 하는 폐수처리장치.According to claim 1, At least two air tanks 23 and the waste oil collector 8 is installed on the outer periphery of the filtration tank 1, the high pressure air pipes of the air tank 23 and the compressor 11 is connected, The high pressure air may be transferred to the filtration tank through the air supply conduit 23b, and the pump 12 at the upper part of the filtration tank 1 may be connected to the injector 22b, the wastewater supply conduit, the waste oil supply conduit 9, Wastewater treatment device characterized in that it serves as a feed force supply.
KR1019930015816A 1993-08-14 1993-08-14 Apparatus for waste water treatment KR960003919B1 (en)

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