KR20080030973A - An unmanned auto sensor of sludge sedimentation height in setting pond by infrared beam - Google Patents

An unmanned auto sensor of sludge sedimentation height in setting pond by infrared beam Download PDF

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KR20080030973A
KR20080030973A KR1020080022684A KR20080022684A KR20080030973A KR 20080030973 A KR20080030973 A KR 20080030973A KR 1020080022684 A KR1020080022684 A KR 1020080022684A KR 20080022684 A KR20080022684 A KR 20080022684A KR 20080030973 A KR20080030973 A KR 20080030973A
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sludge
height
sedimentation
tank
settling
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KR1020080022684A
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Korean (ko)
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정지승
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신한건설산업(주)
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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
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20—Driving mechanisms
    • 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
    • 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

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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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

An unmanned system for automatic sensing of sludge settling height in a setting pond by infrared beam is provided to prevent the settled sludge from mixing with purified water and solve a water contamination problem accordingly by discharging and removing sludge settled and accumulated on the bottom of a settling tank, and reduce operating cost of a wastewater treatment apparatus and improve reliability of the wastewater treatment apparatus by automatically checking the settling height of sludge. In a settling tank comprising: a first treatment tank including a cylindrical pipe, a plurality of inclined plates, and blocking plates for preventing floating of sludge; and a second treatment tank including a settling part, a concentrating part, and a discharge pipe, an unmanned system for automatic sensing of sludge settling height in a setting pond by infrared beam is characterized in that an unmanned automatic sludge height sensing system(200) for sensing the setting height of sludge settled and accumulated in the concentrating part and the settling part is formed on one side of the second treatment tank in a way that the unmanned automatic sludge height sensing system is installed at a position corresponding to that of the settling part. The unmanned automatic sludge height sensing system comprises: a suspended solid inflow part(210) which is projected from one side face of the second treatment tank, and of which a bottom face is inclined to discharge settled sludge smoothly; a sensing part(220) including a transparent window(223), a floodlight part(221), and a light receiving part(222); and a cleaning part(230) including a cleaning water pipe(231) and spray nozzles.

Description

적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치{An unmanned auto sensor of sludge sedimentation height in setting pond by infrared beam}An unmanned auto sensor of sludge sedimentation height in setting pond by infrared beam}

본 발명은 터널공사 현장에서 토사와 같은 부유물이 혼입되어 발생한 현탁수를 처리하는 폐수처리장치의 침전조에 관한 것으로, 보다 상세하게는 침전조로 유입된 처리수 내의 잔여 부유물이 응집 활성화되어서 비중의 증가로 농축조와 침전부에 걸쳐 침강되어 쌓이는 슬러지의 높이를 감지하고 감지된 신호에 의해 배출밸브를 자동 개방시켜 슬러지를 주기적으로 자동 배출시킬 수 있게 함에 따라 슬러지 배출에 필요한 작업인력 사용을 해소함과 동시에 슬러지 배출시기를 놓쳐 침강되었던 슬러지의 일부가 부양하여 정화수와 함께 배출되는 문제점을 해소한 발명인 것이다.The present invention relates to a sedimentation tank of a wastewater treatment apparatus for treating suspended water generated by mixing suspended solids such as soil and sediment at a tunnel construction site. More specifically, the residual suspended matter in the treated water introduced into the sedimentation tank is coagulated and activated to increase specific gravity. By detecting the height of sludge accumulated and settled in the thickening tank and sedimentation part, the discharge valve is automatically opened by the detected signal to periodically discharge the sludge, thus eliminating the use of the work force required for sludge discharge and at the same time It is an invention that solves the problem that part of the sludge that has been settled over time is suspended and discharged together with the purified water.

일반적으로 공사현장 즉, 터널공사 현장에서는 터널을 굴착하는 중에 건수 및 지하수와 같은 물이 공사중인 터널 내부에 발생하게 된다.In general, at the construction site, that is, the tunnel construction site, water such as dry water and groundwater is generated inside the tunnel under construction during the excavation of the tunnel.

상기와 같이 터널공사 현장에서 발생된 물에는 굴삭중에 발생하는 토사가 유입되어 탁해진다.As described above, the water generated at the tunnel construction site is infiltrated by turbidity generated during excavation.

상기와 같이 토사의 혼입으로 발행된 물을 정화하지 않고 하천으로 방류할 경우, 물에 하천 바닥에 토사가 퇴적되어 미생물의 생성 및 활동을 저하시켜 하천수의 수질 악화를 초래 함은 물론 현탁물인 토사가 어류의 아가미를 막아 어류의 생육을 방해 할 뿐만 아니라, 심지어는 어류의 생육이 불가능 한 죽은 하천으로 변화시키게 된다.When discharged into the river without purifying the water issued by the incorporation of the soil as described above, the soil is deposited on the bottom of the river in the water to reduce the production and activity of microorganisms, leading to deterioration of the water quality of the river water, as well as the suspended soil It not only prevents the gills of fish and prevents them from growing, but even transforms them into dead rivers, where it is impossible to grow them.

상기한 문제점을 방지하기 위하여 터널공사 현장에서 발생되는 현탁수(이하 "처리수" 라 합니다)는 정화과정을 거쳐 방류하고 있고, 처리수를 정화하는 방법으로는 물에 혼입된 토사등과 같은 부유물을 침전시켜 처리수를 정화하는 침전방식의 폐수설비를 이용하게 된다.In order to prevent the above problems, suspended water (hereinafter referred to as "treated water") generated at the tunnel construction site is discharged through a purification process, and a method of purifying the treated water is suspended matter such as earth and sand mixed in water. Sedimentation is used to sedimentation wastewater facility to purify the treated water.

침전방식에 의해 현탁물이 혼입된 처리수의 부유물을 침전시키는 폐수설비는, 터널공사 현장으로부터 발생한 처리수 내의 부유물을 침강 분리시킴과 동시에 처리수내의 유해성 물질을 살균한 후, 여과 과정을 거쳐 여과된 맑은 물을 방류하게 된다.The wastewater facility that precipitates the suspended matter in the treated water containing the suspended matter by sedimentation method sediments and separates the suspended matter in the treated water generated from the tunnel construction site, sterilizes the harmful substances in the treated water, and then filters the filtered water. Discharged clear water.

상기와 같이 터널공사 현장에서 발생한 처리수를 폐수설비를 이용하여 정화시키는 과정을 도1에 의해 구체적으로 설명하면 다음과 같다.The process of purifying the treated water generated at the tunnel construction site using the wastewater facility as described above will be described in detail with reference to FIG. 1.

터널공사 현장에서 발생한 처리수가 침사조(10)로 유입되어 돌과 같은 큰 입자의 부유물이 침강 분리되어진다.The treated water generated in the tunnel construction site is introduced into the sedimentation tank 10, and the large particles of suspended matter such as stones are sedimented and separated.

상기 침사조(10)에서 큰 입자의 부유물이 분리되어진 처리수는 정량펌프(13)에 의해 펌핑되어 중화/반응조(20)로 공급된다.The treated water from which the large particles of suspended solids are separated in the immersion tank 10 is pumped by the metering pump 13 and supplied to the neutralization / reaction tank 20.

중화/반응조(20)로 공급된 처리수는 교반날개(23)를 갖고 전동모터(21)에 의해 회전하는 교반축(22)의 회전으로 교반되어지게 되고, 상기와 같이 교반되어지는 처리수는 약제통(60)으로부터 공급된 황산과 섞여 처리수내에 포함되어 있는 세균성 유해물질이 살균됨과 동시에 약제통(70)으로부터 공급되어진 황산반토와 섞이면서 처리수내의 부유물이 1차 응집되어지게 된다.The treated water supplied to the neutralization / reaction tank 20 is stirred by the rotation of the stirring shaft 22 rotating by the electric motor 21 with the stirring blade 23, and the treated water stirred as described above The bacterial harmful substances contained in the treated water are mixed with the sulfuric acid supplied from the medicine container 60 while being sterilized and mixed with the alumina sulfate supplied from the medicine container 70 to firstly aggregate the suspended matter in the treated water.

상기와 같이 1차 응집되어진 부유물은 아래로 침강되어져 슬러지펌프(도면에 특정부호로 표시하지 않았음)를 통해 수거되어지게 된다.As described above, the first flocculated suspended matter is settled down and collected through a sludge pump (not shown in the drawing).

상기 중화/반응조(20)에서 부유물이 1차 응집되어 정화되어진 처리수는 중화/반응조(20)와 연결된 이송관(90)을 통해 침전조로 공급되어지게 된다.In the neutralization / reaction tank 20, the treated water in which the suspended matter is first agglomerated and purified is supplied to the settling tank through the transfer pipe 90 connected to the neutralization / reaction tank 20.

상기 중화/반응조(20)에서 정화된 처리수가 이송관(90)을 따라 이송할때 이송관(90)에는 약제통(80)으로부터 고분자응집제가 투입되어져 중화/반응조(20)에서 응집되어지지 않은 처리수 내의 미세 부유물이 2차 응집되어지게 된다.When the treated water purified in the neutralization / reaction tank 20 is transported along the transfer pipe 90, the polymer coagulant is introduced into the transfer pipe 90 from the chemical container 80 so that it is not aggregated in the neutralization / reaction tank 20. Fine suspended matter in the treated water is secondary to agglomeration.

상기 고분자응집제에 의해 미세 부유물이 응집되어진 처리수는 이송관(90)내에서 지그재그로 설치된 버플판에 의해 이송속도가 규제되어서 느린 속도로 이송되어지게 된다.The treated water in which fine suspended solids are agglomerated by the polymer coagulant is controlled by a baffle plate provided in a zigzag pattern in the transfer pipe 90 so that the treated water is transferred at a slow speed.

상기 이송관(90)을 따라 이송하는 처리수는 경사판을 갖는 침전조로 유입되어지게 되는 것이다.The treated water transferred along the transfer pipe 90 is introduced into the settling tank having the inclined plate.

상기 이송관(90)을 통해 처리수가 유입되어지는 침전조에는 전술한 약제통(60)(70)(80)으로부터 약품들이 재차 투입되어지게 된다.In the settling tank into which the treated water is introduced through the transfer pipe 90, the chemicals are re-injected from the aforementioned medicine containers 60, 70, and 80.

상기 침전조에 유입된 처리수는 경사판에 의해 저류하거나 저유속으로 흐르면서 현탁수 내의 잔여 부유물의 응집이 활성화되어지게 되고, 응집이 활성화되어 비중이 커진 부유물이 자체 비중에 의해 침전조의 아래로 침강되어서 분리되어지게 된다.The treated water introduced into the sedimentation tank is stored by the inclined plate or flows at a low flow rate to activate the flocculation of the remaining suspended matter in the suspended water, and the flocculation is activated to increase the specific gravity of the suspended solids sedimented down the sedimentation tank by its specific gravity. Will be.

부유물이 침강되어 정화되어진 맑은 물은 여과조(도면에 도시하지 않았음)에서 최종적으로 처리되어진 후, 방류조(50)를 거쳐 방류되어지게 되는 것이다.The clear water, which is suspended and purified by the suspended solids, is finally treated in a filtration tank (not shown), and then discharged through the discharge tank 50.

한편, 침강 분리되어진 상기 침전조 하부에 침강되어 쌓인 부유물(슬러지)은 슬러지배출관(130)을 통해 탈수기(40)로 이송되어 수분이 제거되어진 후 케이크 상태로 처리되어지게 된다.Meanwhile, the sediment (sludge) accumulated by sedimentation in the lower part of the sedimentation tank which has been sedimented and separated is transferred to the dehydrator 40 through the sludge discharge pipe 130 to be treated as a cake after water is removed.

이상에서 설명한 바와 같이 터널공사 현장에서 발생한 현탁액을 포함하는 처리수를 정화처리 하는 폐수설비에서는 처리수를 최종적으로 정화처리하는 침전조의 기능에 따라 정화효율이 달라질 수 있다.As described above, the purification efficiency may vary depending on the function of the sedimentation tank which finally purifies the treated water in the wastewater facility for treating the treated water including the suspension generated at the tunnel construction site.

상기 정화효율의 향상을 결정하는 요인 중의 하나가 침전조의 하부 농축부(112)와 침전부(111)에 침강하여 쌓이는 부유물(슬러지)을 적기에 제거하지 않을 경우, 정화효율이 떨어지게 된다.If one of the factors determining the improvement of the purification efficiency does not remove the suspended matter (sludge) accumulated by sedimentation in the lower concentration part 112 and the precipitation part 111 of the settling tank in a timely manner, the purification efficiency is lowered.

상기 농축부(112)와 침전부(112)에 침강하여 쌓이는 슬러지를 제때 처리하지 않고 지나치게 높은 높이로 쌓이도록 방치하면, 침전지(100)로 유입되는 처리수가 최상단에 위치하는 슬러지에 대하여 지나치게 빠른 유속으로 부딪치기 때문에 최상단에 위치하는 부유물(슬러지)이 부유되어지게 되는 것이다.If the sludge accumulated by sedimentation and sedimentation unit 112 is left to accumulate to an excessively high height without being processed in a timely manner, the flow rate of the treated water flowing into the sedimentation basin 100 is too fast for the sludge located at the top. Because of the collision with the suspended solids (sludge) is located at the top is to be floating.

상기와 같이 슬러지가 지나치게 높은 높이로 쌓여 부유되는 부유물은 방류되어지는 정화수에 혼입 방류되어 폐기물처리시설의 신뢰성을 저하시키게 되는 요인이 되기도 한다.As mentioned above, the suspended solids accumulated at an excessively high height are mixed and discharged into the purified water to be discharged, which may reduce the reliability of the waste treatment facility.

상기한 문제점을 해소하기 위하여 농축부와 침전부로 침강되어 쌓이는 슬러 지가 지나치게 높은 높이로 쌓이는 것을 방지함과 더불어 적기에 배출시킬 수 있도록 농축부와 침전부에 쌓인 슬러지의 배출시기를 작업자가 투시창을 통해 확인한 후 배출 처리하게 된다.In order to solve the above problems, the sludge accumulated by the sedimentation unit and the sedimentation unit is prevented from being accumulated at an excessively high level, and the timing of discharge of the sludge accumulated in the concentration unit and the sedimentation unit can be discharged by a worker through the sight glass. After confirming, it will be discharged.

상기와 같이 작업자에 의해 슬러지의 배출시기를 체크함으로써, 상기에서 기술한 문제점을 해결하였으나, 작업자가 수시로 슬러지가 쌓인 정도를 확인해야 하는 작업상의 불편함이 있었다.By checking the discharge time of the sludge by the worker as described above, the problem described above was solved, but there was an inconvenience in the work that the operator must check the degree of sludge accumulation from time to time.

본 발명은 상기한 종래 침전조의 단점을 해결하기 위하여 개발한 것으로, 그 목적은 슬러지가 침강되어 쌓이는 침전부 내의 슬러지 높이를 슬러지 높이 무인자동 감지장치가 자동 감지하고, 감지된 신호에 의해 배출밸브를 자동 개방시켜서 침전조의 농축부와 침전부에 쌓인 슬러지를 제거할 수 있도록 한 것으로서, 침전조 내에 침강되어 쌓인 슬러지를 적기에 배출 제거함에 따라 침전부에 침강되었던 슬러지가 제차 부유되어 정화수에 혼입 방류되는 것을 방지함과 동시에 정화수로의 슬러지 혼입 방류로 야기될 수 있는 수질오염을 근본적으로 해결하였고, 슬러지가 침강하여 쌓이는 높이를 자동 체크함에 따라 침전부를 점검해야할 작업자가 불필요하여 폐수처리장치의 운전비용을 절감할 수 있으며, 처리수의 안정적인 정화처리로 폐수처리설비의 신뢰성을 향상시킬 수 있는 것을 특징으로 하는 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치를 제공함에 있다. The present invention has been developed in order to solve the disadvantages of the conventional sedimentation tank, the object is that the sludge height unmanned automatic detection device automatically detects the sludge height in the sedimentation accumulating sludge sedimentation, and discharge valve by the detected signal Automatically open to remove the sludge accumulated in the sedimentation tank and the sedimentation section of the sedimentation tank, the sludge that sedimented in the sedimentation section is suspended in the sedimentation and discharged into the purified water as timely discharged sludge accumulated in the sedimentation tank At the same time, it fundamentally solved the water pollution that could be caused by sludge mixing and discharge into the purified water.Reducing the operating cost of the wastewater treatment system by eliminating the need to check the sediment by automatically checking the height of sludge accumulation and accumulation. Wastewater treatment facility with stable purification of treated water It is a clarifier sludge sedimentation height unmanned automatic detection apparatus according to that can improve reliability in an infrared beam, characterized in providing.

상기한 목적을 달성하기 위한 본 발명은 상,하로 긴 길이를 가지는 침전조(100)의 내부에 원통형 관체(121)가 설치되어 있되, 상기 관체(121) 내에는 중화/반응조(20)로부터 공급된 처리수가 저류하거나 저유속으로 흐를 수 있도록 아래로 가면서 좁아지는 상광하협형을 이룸과 동시에 중앙에 처리수이송로(123)가 형성되어 있는 경사판(122)이 상,하로 등 간격을 이루며 다수 설치되어 있고, 상기 경사판(122)의 처리수이송로(123)와 나란하는 위치의 상부에 슬러지부양 방지용 차단판(124)이 설치되어 있는 제1처리조(120)와; 상기 제1처리조(120)를 통해 유입된 처리수로부터 부유물이 응집 분리되는 침전부(111)가 하부에 위치하여 있고, 상기 침전부(111)에서 처리수로부터 응집 분리되어진 부유물이 침강되어지는 농축부(112)가 부유물배출관(114)을 구비하여 하부에 형성되어 있으며, 상기 침전부에 쌓이는 슬러지의 높이를 확인할 수 있도록 슬러지확인창이 설치되어 있으며, 침전부(111)로부터 정화처리된 처리수를 여과조(40)로 보내는 배출관(117)이 상부에 설치되어 있는 제2처리조(110)로 구성된 침전조에 있어서, The present invention for achieving the above object is provided with a cylindrical tube 121 in the interior of the settling tank 100 having a long length, up and down, in the tube body 121 is supplied from the neutralization / reaction tank 20 The slanted plate 122, which has a treatment water transport path 123 formed in the center, is installed in a plurality of spaces at the same time. A first treatment tank 120 in which a sludge flotation blocking plate 124 is installed at an upper portion of the inclined plate 122 parallel to the treated water transport path 123; The sedimentation unit 111 in which the flocculates are separated from the treated water introduced through the first treatment tank 120 is located at the lower portion, and the flocculant flocculated from the treated water is precipitated in the precipitation unit 111. Concentrator 112 is formed at the bottom with a float discharge pipe 114, the sludge confirmation window is installed to check the height of the sludge accumulated in the sedimentation section, the treated water purified from the sedimentation unit 111 In the sedimentation tank consisting of the second treatment tank 110, the discharge pipe 117 for sending to the filtration tank 40 is installed at the top,

농축부(112)와 침전부(111)로 침강되어 쌓이는 슬러지의 침강 높이를 감지하는 슬러지 높이 무인자동 감지장치(200)가 제2처리조(110)의 일측으로 형성되어지되, 상기 슬러지 높이 무인자동 감지장치(200)는 침전부(111)에 위치하도록 설치됨을 특징으로 하는 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치에 의해 달성된다.Sludge height unmanned automatic detection device 200 for detecting the settling height of the sludge accumulated by sedimentation section 112 and sedimentation unit 111 is formed to one side of the second treatment tank 110, the sludge height unmanned The automatic sensing device 200 is achieved by the unmanned automatic sensing device in the sludge settling height in the sedimentation basin by the infrared beam, characterized in that installed in the precipitation section 111.

이상에서 설명한 바와 같은 본 발명의 적외선빔에 의한 침전지내 슬러지 침 강 높이 무인자동 감지장치, 슬러지가 침강되어 쌓이는 농축부(112)와 침전부(111)내의 슬러지 높이를 슬러지 높이 무인자동 감지장치(200)가 자동 감지하고, 감지된 신호에 의해 슬러지배출밸브(131)를 자동 개방시켜서 침전조(100)의 농축부(112)와 침전부(111)에 쌓인 슬러지를 제거할 수 있도록 한 것으로써, 침전조(100) 내에 침강되어 쌓인 슬러지를 적기에 배출 제거함에 따라 침전부(111)에 침강되었던 슬러지가 재차 부유되어 정화수에 혼입 방류되는 것을 사전에 방지함과 동시에 정화수로의 슬러지 혼입 방류로 야기될 수 있는 수질오염을 근본적으로 해결하였고, 슬러지가 침강하여 쌓이는 높이를 자동 체크함에 따라 침전부(111)를 점검해야할 작업자가 불필요하여 폐수처리장치의 운전비용을 절감할 수 있으며, 처리수의 안정적인 정화처리로 폐수처리설비의 신뢰성을 향상시킬 수 있는 매우 유용한 발명인 것이다.Sludge sedimentation height unmanned automatic detection device in the sedimentation basin by the infrared beam of the present invention as described above, sludge height unmanned automatic detection device for the sludge height in the thickening section 112 and the sedimentation section 111 is accumulated by the sludge ( 200 automatically detects, by automatically opening the sludge discharge valve 131 according to the detected signal to remove the sludge accumulated in the concentration section 112 and the precipitation section 111 of the settling tank 100, As the sludge accumulated in the sedimentation tank 100 is discharged and removed in a timely manner, the sludge that has settled in the sedimentation unit 111 is prevented from being suspended again and mixed into the purified water in advance, and at the same time, it is caused by the sludge mixed discharge into the purified water. It basically solved possible water pollution, and it is unnecessary for the worker to check the sedimentation part 111 by automatically checking the height of sludge settling and wastewater treatment plant. In can reduce operating costs, and will be very useful inventions that can improve the reliability of the wastewater treatment plant as a reliable purification treatment of the processing.

이하, 상기한 목적을 달성하기 위한 바람직한 실시예를 첨부된 도면에 의하여 상세하게 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.

도 1 내지 도 4에서 도시한 바와 같이 본 발명에 의한 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치는, 상하류식으로 제1처리조(120)와 제2처리조(110)로 이루어진 침전조(100)의 제2처리조(110)의 일측으로 슬러지 높이 무인자동 감지장치(200)가 설치되어지되, 상기 제2처리조(110)의 침전부(112)에 위치하도록 설치되어진 것이다.1 to 4, the unmanned automatic detection device of the sludge settling height in the sedimentation basin by the infrared beam according to the present invention, the sedimentation tank consisting of the first treatment tank 120 and the second treatment tank 110 in the up and down manner. The sludge height unmanned automatic sensing device 200 is installed at one side of the second processing tank 110 of 100, but is installed to be located at the settling part 112 of the second processing tank 110.

상기 슬러지 높이 무인자동 감지장치(200)는, 제2처리조(110)의 침전부(111) 와 통하는 부유물유입부(210)와, 침강되어지는 처리수내의 슬러지 농도에 따라 작동하는 감지부(220)와; 상기 감지부(220)의 투명창(223)을 세척해주는 세척부(230)로 이루어져 있다.The sludge height unmanned automatic detection device 200, the suspended solids inlet 210 communicates with the settling portion 111 of the second treatment tank 110, and a sensing unit that operates according to the sludge concentration in the sedimentation treatment water ( 220); It consists of a washing unit 230 for washing the transparent window 223 of the sensing unit 220.

상기 부유물유입부(210)는 제2처리조(110)의 일측면으로부터 돌출 형성되고, 침전부(111)로 침강되어 쌓이는 슬러지가 혼입된 부유물이 유입되어 질 수 있도록 도통 되어 있으며, 침강된 슬러지의 배출이 원활하게 이루어질 수 있도록 저면이 경사를 이루며 형성되어 있다.The float inlet 210 is formed to protrude from one side of the second treatment tank 110, the sludge accumulated by sedimentation in the sedimentation unit 111 is conductive so that the mixed matter is introduced, the sedimentation sludge is introduced. The bottom is formed inclined so that the discharge can be made smoothly.

상기 부유물유입부(210)의 양측벽(211)에 위치하도록 설치되는 감지부(220)는 상기 양측벽(211)에 설치되는 투명창(223)과, 상기 투명창(223) 중 어느 한곳에 투광부(221)와 수광부(222)가 설치되어 있다.The sensing unit 220 installed to be located at both side walls 211 of the floating inlet 210 may be disposed at any one of the transparent window 223 and the transparent window 223 installed at both side walls 211. The light portion 221 and the light receiving portion 222 are provided.

상기와 같이 일체로 투광부(221)와 수광부(222)가 일체로 된 감지부(220)는 투광부(221)에서 조사된 적외선빔의 반사량 변화를 수광부(222)에서 수신하여 적외선빔 반사량의 수신값에 따라 슬러지배출관(130)에 설치된 슬러지배출밸브(131)의 개폐가 결정되어 진다.As described above, the sensing unit 220 in which the light transmitting unit 221 and the light receiving unit 222 are integrally receives a change in the amount of reflection of the infrared beam irradiated from the light transmitting unit 221 at the light receiving unit 222 to determine the amount of the infrared beam reflectance. Opening and closing of the sludge discharge valve 131 installed in the sludge discharge pipe 130 is determined according to the received value.

즉, 처리수 내에 혼입된 슬러지의 농도에 농축부(112)와 침전부(111)에 점진적으로 높게 쌓여짐에 따라 부유물유입부(210)로 유입되는 처리수 내의 부유물(슬러지) 농도가 높아지게 되고, 부유물(슬러지)의 농도가 높아짐에 따라 감지부(220)를 구성하는 투광부(221)에서 조사된 적외선빔의 반사량이 증가되어지게 되고, 증가된 적외선빔의 반사량을 수광부(222)에서 수신하여 그 수신값에 의해 슬러지배출관(130)에 설치된 슬러지배출밸브(131)를 개방시켜 슬러지를 적기에 배출 탈수 처 리하게 된다.That is, as the concentration of sludge mixed in the treated water is gradually accumulated in the thickening unit 112 and the settling unit 111, the concentration of the suspended solids (sludge) in the treated water flowing into the floating inlet 210 is increased. As the concentration of suspended solids (sludge) increases, the reflectance of the infrared beam irradiated from the light transmitting unit 221 constituting the sensing unit 220 is increased, and the reflecting amount of the increased infrared beam is received by the light receiving unit 222. The sludge discharge valve 131 installed in the sludge discharge pipe 130 is opened according to the received value, and the sludge is discharged and dehydrated in a timely manner.

상기 감지부(220)의 투명창(223)을 세척하는 세척부(230)은 정화처리되어진 방류수가 방류되는 방류조(50)에 연결되어 세척수를 펌핑공급할 수 있도록 펌프모터를 포함하는 세척수관(231)을 구비하고, 상기 부유물유입부(210)의 양측벽(211) 상부로 연결설치된 단부에 투명창(223)에 낀 부유물을 세척해낼 수 있도록 분사노즐(232)이 상기 투명창(223)을 향하도록 설치되어 있는 것이다.The washing unit 230 for washing the transparent window 223 of the sensing unit 220 is connected to the discharge tank 50 in which the purified effluent is discharged to wash water pipes including a pump motor to supply the washing water. 231, the injection nozzle 232 to the transparent window 223 to wash off the floating matter caught in the transparent window 223 at the end connected to the upper side of the side wall 211 of the floating material inlet 210. It is installed to face.

전술한 구성으로 이루어진 본 발명의 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치가 설치되어진 폐수설비의 침전조(100)를 통해 토사와 같은 현탁물이 혼입된 처리수를 정화 처리하는 과정은 다음과 같다.The process of purifying the treated water in which the suspended matter such as soil is mixed through the sedimentation tank 100 of the wastewater facility in which the sludge settling height unmanned automatic detection device is installed in the sedimentation basin by the infrared beam of the present invention having the above-described configuration is as follows. Same as

상기 본원 발명의 침전조(100)에 의해 처리수 내의 부유물을 정화처리하는 과정을 공정별로 설명함에 있어 종래 기술과 동일한 기술에 대해서는 동일 부호로 표기하기로 하고 침전조(100)의 전처리 공정에서 처리수를 정화 처리하는 과정은 전기에서 설명한 바 있어 본원 발명에서는 생략하기로 한다.In describing the process of purifying the suspended matter in the treated water by the sedimentation tank 100 of the present invention for each process, the same technique as in the prior art will be denoted by the same reference numerals and the treated water in the pretreatment process of the sedimentation tank 100. The purifying process has been described above, and thus will be omitted in the present invention.

먼저, 침전조(100)를 구성하고 있는 제1처리조(120)에 약제통(60)의 황산과 약제통(70)의 황산반토가 공급되어 상기 처리수 내에 포함되어 있는 세균성 유해물질이 살균됨과 동시에 약제통(80)으로부터 고분자응집제가 투입되어 부유물이 응집되어진 처리수가 중화/반응조(20)로부터 공급되어 진다.First, sulfuric acid of the medicine container 60 and alumina sulfate of the medicine container 70 are supplied to the first treatment tank 120 constituting the settling tank 100 to sterilize bacterial harmful substances contained in the treated water. At the same time, the polymer coagulant is introduced from the medicine container 80, and the treated water in which the suspended matter is aggregated is supplied from the neutralization / reaction tank 20.

상기와 같이 제1처리조(120)에 유입된 처리수는 경사판(122)과 차단판(124)에 의해 저류하거나 저유속으로 흐르면서 약제통(80)으로부터 공급되어지는 고분자응집제에 의해 작은 입자의 부유물까지도 응집되어지게 된다.As described above, the treated water introduced into the first treatment tank 120 is stored by the inclined plate 122 and the blocking plate 124 or flows at a low flow rate. Even suspended solids are aggregated.

상기와 같이 경사판(122)을 따라 저류하거나 저유속으로 흐르는 처리수는 침강하는 거리가 길어지고, 반응/응집되는 시간이 늘어나 부유물의 응집효율이 높아지게 된다.As described above, the treated water that is stored along the inclined plate 122 or flows at a low flow rate has a long settling distance, and a reaction / aggregation time increases, thereby increasing flocculation efficiency of the suspended matter.

또한 경사판(122)과 차단판(124)을 처리수가 지나칠 때 와류가 발생하여 교반이 일어나 약제통(80)으로부터 공급되어진 고분자응집제가 처리수 내의 부유물과 골고루 섞여 응집이 활성화되어 진다.In addition, when the treated water passes through the inclined plate 122 and the blocking plate 124, vortices are generated, and agitation occurs, and the polymer coagulant supplied from the medicine container 80 is evenly mixed with the suspended matter in the treated water to activate the aggregation.

상기와 같와 고분자응집제에 의해 부유물의 응집이 활성화되어지므로, 작은 입자의 부유물(슬러지) 분리가 가능하게 된다.As described above, the flocculation of the suspended solids is activated by the polymer flocculant, so that the suspended solids (sludge) can be separated from the small particles.

상기 제1처리조(120)에서 응집되어 비중이 커진 부유물(슬러지)을 가지는 처리수는 제2처리조(110)의 침전부(111)로 유입되어지게 되고, 상기 침전부(111)로 유입된 처리수의 부유물은 자체 비중에 의해 하부의 농축부(112)에 침강되어지게 된다.The treated water having the suspended solids (sludge) having a specific gravity aggregated in the first treatment tank 120 is introduced into the settling portion 111 of the second treatment tank 110, and flows into the settling portion 111. The suspended matter of the treated water is settled in the lower portion 112 by its specific gravity.

상기 농축부(112)로 침강되어지는 부유물은 부유물부상방지판(116)을 지나 그 하부에 위치하게 되고, 상기 부유물비상방지판(116)에 의해 침강된 부유물이 부상하지 않고 안정되게 침강 유지되어지게 되는 것이다.The suspended matter that is settled by the concentration unit 112 is positioned below the float floating prevention plate 116, and the suspended matter settled by the floating emergency prevention plate 116 is stably maintained without being floated. You lose.

상기에서와 같이 비중이 큰 부유물이 분리되어진 처리수는 상부로 부양 이동하게 된다.As described above, the treated water from which the floating material having a large specific gravity is separated is lifted upward.

상기와 같이 제2처리조(110)로 유입된 처리수가 부양할 수 있는 것은 제2처리조(110)의 배출관(117)이 제1처리조(120)로 처리수를 유입시키는 응집 /반응조(20)보다 낮은 위치에 위치하기 때문에 부양 이동이 가능하게 되는 것이다As described above, the treated water introduced into the second treatment tank 110 may support the flocculation / reaction tank in which the discharge pipe 117 of the second treatment tank 110 introduces the treated water into the first treatment tank 120 ( Because it is located lower than 20), it is possible to move the float

전술한 바와 같이 처리수로부터 분리되어 농축부(112)와 침전부(111)에 침강되어진 슬러지는 슬러지배출관(130)을 통해 배출되어 탈수기(40)에서 탈수 처리되어지게되는 것이다.As described above, the sludge separated from the treated water and sedimented in the concentration unit 112 and the settling unit 111 is discharged through the sludge discharge pipe 130 to be dewatered in the dehydrator 40.

상기와 같이 농축부(112)와 침전부(111)에 쌓인 부유물(슬러지)의 배출 처리는 감지장치에 의해 이루어진다.As described above, the discharge treatment of the suspended matter (sludge) accumulated in the thickening unit 112 and the sedimentation unit 111 is performed by a sensing device.

슬러지를 배출시켜 처리하는 상태를 좀더 구체적으로 설명하면 아래와 같다.The state in which the sludge is discharged and described in more detail is as follows.

상기의 농축부(112)와 침전부(111)에 슬러지가 차곡차곡 쌓여 그 높이가 높아지고, 슬러지의 쌓인 높이가 높아졌을 때 무인자동감지장치(200)의 감지부(220)가 작동한다.When the sludge is piled up on the thickening unit 112 and the sedimentation unit 111 and the height thereof increases, the detection unit 220 of the unmanned automatic detecting device 200 operates when the accumulated height of the sludge increases.

상기 무인자동감지장치(200)의 감지부(220)의 작동은, 슬러지가 농축부(112)에순차적으로 쌓이는 동안에는 침전부(111)에 위치하는 처리수의 혼탁도 농도가 낮아 감지부(220)의 투광부(221)에서 조사된 적외선빔의 반사량이 수광부(222)에 수지되어지지 않는다.The operation of the sensing unit 220 of the unmanned automatic sensing device 200 is low, while the turbidity concentration of the treated water located in the precipitation unit 111 is low while the sludge is sequentially accumulated in the concentrating unit 112. The amount of reflection of the infrared beam irradiated from the light transmitting portion 221 of the?

그러나 슬러지가 농축부(112)를 넘어 침전부(111)에 까지 점진적으로 쌓이게 되면, 침전부(111)에 위치하는 처리수의 혼탁 농도가 점진적으로 높아지게 된다.However, when the sludge gradually accumulates in the sedimentation unit 111 beyond the concentration unit 112, the turbidity concentration of the treated water located in the sedimentation unit 111 gradually increases.

따라서, 감지부(220)의 수광부(222)에서 인식하는 투광부(221)로부터의 조사된 적외선빔의 반사량이 점진적으로 증가하게 된다.Therefore, the amount of reflection of the irradiated infrared beam from the light transmitting unit 221 recognized by the light receiving unit 222 of the sensing unit 220 gradually increases.

상기와 같이 수광부(222)에 인식하는 투광부(221)의 적외선빔의 반사량은 처리수의 혼탁도 높으면 높을수록 반사량이 증가하게 되고, 상기 수광부(222)에서 인식된 적외선빔의 수신값이 높아지게 되면, 수광부(222)에 인식된 신호에 의해 슬러 지배출관(130)에 설치된 슬러지배출밸브(131)가 개방되어져 슬러지를 탈수기(40)로 배출 처리하게 되는 것이다.As described above, the higher the turbidity of the treated water is, the higher the reflection amount of the infrared beam of the light transmitting unit 221 recognized by the light receiving unit 222 is, the higher the reflection amount is, and the higher the reception value of the infrared beam recognized by the light receiving unit 222 is. When the sludge discharge valve 131 installed in the sludge governing outlet pipe 130 is opened by the signal recognized by the light receiving unit 222, the sludge is discharged to the dehydrator 40.

상기 감지기(220)의 수광부(222)에 인신된 반사량의 값은 설비시공시 현장 조건에 따라 달라지게 된다.The value of the amount of reflection received by the light receiving unit 222 of the detector 220 is changed depending on the site conditions during installation.

따라서, 혼탁도에 의해 수광부(222)에서 적외선빔을 인식하는 인식값이 달라질 수 있다.Therefore, the recognition value of recognizing the infrared beam by the light receiving unit 222 may vary according to turbidity.

감지부(220)가 작동되어지는 일예를 들어보면, 투광부(221)의 적외선빔이 조사되었을 때 처리수를 투과하는 적외선빔의 투과량을 "100"으로 하였을 때, 그 투과량이 "50" 이하로 떨어져 상기 수광부(222)에 적외선빔의 반사량이 "50"이상이되면 슬러지배출밸브(131)를 개방시켜 처리할 수 있도록 하는 방식에 준하여 감지부(220)가 작동하게되는 것이다.For example, when the sensing unit 220 is operated, when the infrared beam of the light transmitting unit 221 is irradiated, when the transmission amount of the infrared beam that passes through the treated water is set to "100", the transmission amount is "50" or less. When the amount of reflection of the infrared beam to the light receiving unit 222 is "50" or more, the sensing unit 220 is operated in a manner that allows the sludge discharge valve 131 to be opened and processed.

상기 감지부(220)의 작동에 의해 침전지(100)내의 슬러지를 배출 처리한 후에는 제차 농축부(112)와 침전부(111)에 쌓이는 슬러지의 원활한 처리를 위하여 부유물유입부(210)의 양측벽(211)으로 설치되어진 감지부(220)의 투명창(223)에 낀 이물질을 제거하여서 상기 감지부(220)가 정상적인 작동되어질 수 있도록 환경을 유지시키게 된다.After discharging the sludge in the sedimentation basin 100 by the operation of the sensing unit 220, both sides of the float inlet 210 for smooth treatment of the sludge accumulated in the secondary concentration section 112 and the sedimentation section 111 By removing the foreign matter caught in the transparent window 223 of the sensing unit 220 is installed to the wall 211 to maintain the environment so that the sensing unit 220 can be operated normally.

상기 투명창(223)의 세척은 세척부(230)에 의해 이루어지게 되는데, 상기 감지부(220)의 투명창(223) 세척은 방류조(50)의 방류수 사용이 가능하도록 연결된 세척수관(231)의 펌프모터(도면에 도시하지 않았음)를 작동시켜 부유물유입부(210)의 내부로 위치하도록 설치된 분사노즐(232)을 통해 세척수를 분사시켜 투명 창(223)에 낀 이물질을 제거함으로써, 감지부(220)가 항상 정상적으로 작동되어지면서 슬러지를 자동으로 배출 처리할 수가 있게 되는 것이다.The washing of the transparent window 223 is made by the washing unit 230, the washing of the transparent window 223 of the sensing unit 220 is connected to the washing water pipe 231 to enable the use of the discharge water of the discharge tank (50). By operating the pump motor (not shown in the drawing) to spray the cleaning water through the injection nozzle 232 installed to be located inside the float inlet 210 to remove the foreign matter caught in the transparent window 223, The sensing unit 220 is always able to automatically discharge the sludge while operating normally.

도 1은 현탁물이 혼입된 처리수를 정화처리 하는 폐수설비의 공정도.1 is a process diagram of a wastewater facility for purifying the treated water mixed with suspension.

도 2는 본 발명에 의한 침전조와 그 주변 설비의 일부를 나타낸 예시도.Figure 2 is an exemplary view showing a part of the sedimentation tank and the peripheral equipment according to the present invention.

도 3은 본 발명에 의한 침전조의 요부를 발췌한 사시 예시도.Figure 3 is an illustrative perspective view of the main portion of the sedimentation tank according to the present invention.

도 4는 본 발명에 의한 침전조의 요부를 발췌한 정면도.Figure 4 is a front view of the main portion of the sedimentation tank according to the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

100 : 침전조 110 : 제2처리조100: sedimentation tank 110: second treatment tank

111 : 침전부 112 : 농축부111: sedimentation unit 112: concentration unit

116 : 부유물부상방지판 117 : 배출관 116: floating float prevention plate 117: discharge pipe

120 : 제1처리조 121 : 관체120: first treatment tank 121: tube

122 : 경사판 123 : 처리수이송로 122: inclined plate 123: treated water transport path

124 : 차단판 130 : 슬러지배출관124: blocking plate 130: sludge discharge pipe

131 : 슬러지배출밸브 200 : 슬러지 높이 무인자동 감지장치131: sludge discharge valve 200: sludge height unmanned automatic detection device

210 : 부유물유입부 211 : 양측벽210: floating material inlet 211: both side walls

220 : 감지부 221 : 투광부220: detector 221: light emitting unit

222 : 수광부 223 ; 투명창222: light receiver 223; Transparent window

230 : 세척부 231 : 세척수관230: washing unit 231: washing water pipe

232 : 분사노즐 232: injection nozzle

Claims (2)

상,하로 긴 길이를 가지는 침전조(100)의 내부에 원통형 관체(121)가 설치되어 있되, 상기 관체(121) 내에는 중화/반응조(20)로부터 공급된 처리수가 저류하거나 저유속으로 흐를 수 있도록 아래로 가면서 좁아지는 상광하협형을 이룸과 동시에 중앙에 처리수이송로(123)가 형성되어 있는 경사판(122)이 상,하로 등 간격을 이루며 다수 설치되어 있고, 상기 경사판(122)의 처리수이송로(123)와 나란하는 위치의 상부에 슬러지부양 방지용 차단판(124)이 설치되어 있는 제1처리조(120)와; 상기 제1처리조(120)를 통해 유입된 처리수로부터 부유물이 응집 분리되는 침전부(111)가 하부에 위치하여 있고, 상기 침전부(111)에서 처리수로부터 응집 분리되어진 부유물이 침강되어지는 농축부(112)가 부유물배출관(114)을 구비하여 하부에 형성되어 있으며, 상기 침전부에 쌓이는 슬러지의 높이를 확인할 수 있도록 슬러지확인창이 설치되어 있으며, 침전부(111)로부터 정화처리된 처리수를 여과조(40)로 보내는 배출관(117)이 상부에 설치되어 있는 제2처리조(110)로 구성된 침전조에 있어서, The cylindrical tubular body 121 is installed in the settling tank 100 having a long length up and down, but the treated water supplied from the neutralization / reaction tank 20 is stored in the tubular body 121 so as to flow or flow at a low flow rate. A plurality of inclined plate 122 is formed at the same time as the upper and lower intervals to be narrowed down and the treatment water transport path 123 is formed in the center at equal intervals up and down, the treated water of the inclined plate 122 A first treatment tank 120 in which a sludge flotation blocking plate 124 is installed at an upper portion of the position parallel to the transfer path 123; The sedimentation unit 111 in which the flocculates are separated from the treated water introduced through the first treatment tank 120 is located at the lower portion, and the flocculant flocculated from the treated water is precipitated in the precipitation unit 111. Concentrator 112 is formed at the bottom with a float discharge pipe 114, the sludge confirmation window is installed to check the height of the sludge accumulated in the sedimentation section, the treated water purified from the sedimentation unit 111 In the sedimentation tank consisting of the second treatment tank 110, the discharge pipe 117 for sending to the filtration tank 40 is installed at the top, 농축부(112)와 침전부(111)로 침강되어 쌓이는 슬러지의 침강 높이를 감지하는 슬러지 높이 무인자동 감지장치(200)가 제2처리조(110)의 일측으로 형성되어지되, 상기 슬러지 높이 무인자동 감지장치(200)는 침전부(111)에 위치하도록 설치됨을 특징으로 하는 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치.Sludge height unmanned automatic detection device 200 for detecting the settling height of the sludge accumulated by sedimentation section 112 and sedimentation unit 111 is formed to one side of the second treatment tank 110, the sludge height unmanned Automatic detection device 200 is an unmanned automatic detection device of the sludge settling height in the sedimentation basin by the infrared beam, characterized in that installed in the precipitation section 111. 제1항에 있어서, 상기 슬러지 높이 무인자동 감지장치(200)는 제2처리조(110)의 일측면으로부터 돌출 형성되고, 침전부(111)로 침강되어 쌓이는 슬러지가 혼입된 부유물이 유입되어 질 수 있도록 도통 되어 있으며, 침강된 슬러지의 배출이 원활하게 이루어질 수 있도록 저면이 경사를 이루며 형성되어 있는 부유물유입부(210)와;According to claim 1, The sludge height unmanned automatic detection device 200 is formed to protrude from one side of the second treatment tank 110, the sludge accumulated by sedimentation accumulated in the precipitation section 111 is introduced into the It is conductive so as to be, and the floating material inlet 210 is formed with an inclined bottom surface so that the discharge of the settled sludge can be made smoothly; 상기 부유물유입부(210) 양측벽(211)에 설치되는 투명창(223)과, 상기 투명창(223) 중 어느 한곳으로 설치되어 적외선빔을 조사하는 투광부(221)와, 상기 투광부에서 조사된 적외선빔의 반사량 변화를 수광부(222)에서 수신하여 적외선빔 반사량의 수신값에 따라 슬러지배출관(130)에 설치된 슬러지배출밸브(131)를 개폐 제어하는 수광부(222)로 이루어진 감지부(220)와;A transparent window 223 installed on both side walls 211 of the floating inlet 210 and a transparent part 221 installed at any one of the transparent window 223 to irradiate an infrared beam; Detection unit 220 consisting of a light receiving unit 222 for receiving a change in the amount of reflection of the irradiated infrared beam in the light receiving unit 222 to open and control the sludge discharge valve 131 installed in the sludge discharge pipe 130 according to the received value of the infrared beam reflection amount )Wow; 상기 감지부(220)의 투명창(223)을 세척하는 세척부(230)은 정화처리되어진 방류수가 방류되는 방류조(50)에 연결되어 세척수를 펌핑공급할 수 있도록 펌프모터를 포함하는 세척수관(231)을 구비하고, 상기 부유물유입부(210)의 양측벽(211) 상부로 연결설치된 단부에 투명창(223)에 낀 이물질을 세척해낼 수 있도록 세척수관(231)의 단부에 설치되어 있는 분사노즐(232)로 이루어진 세척부(230)로 구성됨을 특징으로 하는 적외선빔에 의한 침전지내 슬러지 침강 높이 무인자동 감지장치.The washing unit 230 for washing the transparent window 223 of the sensing unit 220 is connected to the discharge tank 50 in which the purified effluent is discharged to wash water pipes including a pump motor to supply the washing water. 231, the injection is provided at the end of the washing water pipe 231 to wash off the foreign matter caught in the transparent window 223 at the end connected to the upper side of the side wall 211 of the float inlet 210 Unattended automatic detection device for sludge settling height in the sedimentation basin by the infrared beam, characterized in that consisting of a washing unit 230 consisting of a nozzle (232).
KR1020080022684A 2008-03-12 2008-03-12 An unmanned auto sensor of sludge sedimentation height in setting pond by infrared beam KR20080030973A (en)

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* Cited by examiner, † Cited by third party
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CN113048925A (en) * 2021-03-18 2021-06-29 清华四川能源互联网研究院 Method for measuring underwater sedimentation height of stilling pool and safely grading underwater sedimentation height
US20220152529A1 (en) * 2021-09-24 2022-05-19 Hohai University Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113048925A (en) * 2021-03-18 2021-06-29 清华四川能源互联网研究院 Method for measuring underwater sedimentation height of stilling pool and safely grading underwater sedimentation height
US20220152529A1 (en) * 2021-09-24 2022-05-19 Hohai University Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof
GB2604236A (en) * 2021-09-24 2022-08-31 Univ Hohai Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof
US11673076B2 (en) * 2021-09-24 2023-06-13 Hohai University Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof
GB2604236B (en) * 2021-09-24 2023-07-19 Univ Hohai Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof

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