• 제목/요약/키워드: 흡입식 슬러지 수집기

검색결과 5건 처리시간 0.017초

수치시뮬레이션을 이용한 흡입식 슬러지 수집기의 유동해석 (Flow Analysis of the Rotating Sludge Suction Collector by Numerical Simulation)

  • 서상호;노형운;변종훈
    • 한국유체기계학회 논문집
    • /
    • 제9권5호
    • /
    • pp.22-27
    • /
    • 2006
  • Sedimentation phenomenon of suspended solids occurs by the gravitational force. Pollution particles are separated from slowly flowing waste water in clarifier. Recently, the sludge suction collector is Preferred rather than the scraper type sludge collector due to the enhancement of the clarifier efficiency. The sludge suction collector is usually operated by the user's experiences without any scientific and/or technical consideration. To evaluate the performance of sludge suction collector, the three dimensional numerical simulation was conducted by the finite volume method. To analyze the performance, the velocity vectors and the suction flow rates of the orifices were investigated. The result showed that each suction flow rate through out the collector was equivalent in the sludge suction collector and the efficiency of suction collector was good to remove high concentrated sludge in clarifier.

흡입식 슬러지 수집기가 회전할 때의 유동특성 변화 (Variation of Flow Characteristics in the Rotating Suction Sludge Collector)

  • 진희남;변종윤;노형운;서상호
    • 대한기계학회:학술대회논문집
    • /
    • 대한기계학회 2004년도 춘계학술대회
    • /
    • pp.1851-1856
    • /
    • 2004
  • Sedimentation phenomenon of suspended solids occurs by the gravitational force. Pollution particles are separated from slowly flowing wastewater in clarifier. Recently, the sludge suction collector is preferred rather than the scraper type sludge collector due to enhancement of the clarifier efficiency. The sludge suction collector is usually operated by the user's experiences without any scientific and/or technical consideration. To evaluate the performance of sludge suction collector, the three dimensional computer simulation was conducted by the finite volume method. To analyze the performance, the velocity vectors and the suction flow rates of the orifices were investigated. The result showed that each suction flow rate through out the collector was equivalent in the sludge suction collector and the efficiency of suction collector was good to remove high concentrated sludge in clarifier.

  • PDF

침전지의 흡입식 슬러지 수집기에 대한 성능해석 (Performance Analysis for Sludge Suction Collector in Clarifier)

  • 진희남;변종윤;서상호;노형운
    • 유체기계공업학회:학술대회논문집
    • /
    • 유체기계공업학회 2003년도 유체기계 연구개발 발표회 논문집
    • /
    • pp.415-420
    • /
    • 2003
  • Sedimentation phenomenon of suspended solids occurs by the gravitational force. Pollution particles are separated from slowly flowing wastewater in clarifier. Recently, the sludge suction collector is preferred rather than the scraper type sludge collector due to enhancement of the clarifier efficiency. The sludge suction collector is usually operated by the user's experiences without any scientific and/or technical consideration. To evaluate the performance of sludge suction collector, the three dimensional computer simulation was conducted by the finite volume method. To analyze the performance, the velocity vectors and the suction flow rates of the orifices were investigated. The result showed that each suction flow rate through out the collector was equivalent in the sludge suction collector and the efficiency of suction collector was good to remove high concentrated sludge in clarifier.

  • PDF

장방형 흡입식 슬러지 수집기에서 수로의 최적설계 및 폐수 유동특성 (Optimal Design on a Channel of Rectangular Suction Sludge Collector and the Flow Characteristics of Wastewater)

  • 용정권;최청렬;김창녕
    • 대한기계학회:학술대회논문집
    • /
    • 대한기계학회 2008년도 추계학술대회A
    • /
    • pp.1034-1039
    • /
    • 2008
  • Recently, the sludge suction collector is preferred rather than the scraper type sludge collector due to enhancement of the clarifier efficiency. The sludge suction collector is usually operated by the user's experience without any scientific and technical consideration. There are many factors that should be considered for higher quality of discharged water and stabilized flow in the rectangular sludge suction collector but, the optimal design on the inflow channel and orifices connecting with the inflow channel is needed for similar flow rates at the orifices. The 4 cases of channel geometry are considered and mass flow rates of each case at the orifices are evaluated using Computational Fluid Dynamics applied VOF(Volume of Fraction) model.

  • PDF

비산먼지 저감기능을 구비한 슬러지 흡입식 도로절단기의 작업생산성 분석 (Work Productivity Analysis of Sludge Suction Type Pavement Cutter Equipped with Scattered Dust Reduction Function)

  • 전은비;김균태
    • 한국건설관리학회논문집
    • /
    • 제24권4호
    • /
    • pp.3-13
    • /
    • 2023
  • 본 연구는 국내에서 주로 사용되는 습식 도로절단기와 비산먼지 저감을 위해 개발된 슬러지 흡입식 도로절단기(이하 자동식 도로절단기)의 작업생산성을 비교 분석하여 자동식 도로절단기의 성능 및 활용성을 검증하는 것을 목적으로 한다. 이를 위해 먼저 국내에서 주로 사용되는 습식 수동식 도로절단기와 자동식 도로절단기의 개발 현황을 조사하고, 도로 절단 작업을 세부적으로 분석하였다. 또한, 동일한 조건의 테스트베드에 두 장비를 적용하여 깊이별 절단 시간을 측정하여, 표준절단 성능을 도출하였다. 하지만 테스트베드에서 측정된 데이터는 실제 도로절단 현장의 다양한 변수를 반영하지 못한다는 한계가 있다. 따라서 본 연구에서는 현장 조사를 통해 데이터를 수집하여 절단 거리와 시간 사이의 상관성을 분석한 후, 단순회귀분석을 통해 도로절단기 생산성 산정모델을 제시하였다. 회귀식에서 도출된 값을 테스트베드에서 도출한 표준절단 성능과 비교 분석한 결과, 회귀분석식을 통해 도출한 절단 성능은 표준절단 성능과 유사한 경향을 보였다. 마지막으로, 정량적으로 측정하기는 어려우나 생산성에 영향을 주는 세가지 세부작업에 대해 정성적으로 비교 분석하여 개발된 자동식 도로절단기의 활용성을 검증하였다.