상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제34권3호
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  • Pages.221-230
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  • 2020
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  • 1225-7672(pISSN)
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  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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배관 해석 프로그램을 통한 해수담수화 플랜트 수압 시스템 분석

Analysis of hydraulic system for seawater desalination plant through piping analysis program

  • 최지혁 (국민대학교 건설시스템공학부) ;
  • 최용준 (국민대학교 건설시스템공학부) ;
  • 양흥식 (국민대학교 건설시스템공학부) ;
  • 이상호 (국민대학교 건설시스템공학부) ;
  • 최준석 (한국건설기술연구원 국토보전연구본부)
  • Choi, Jihyeok (School of Civil and Environmental Engineering, Kookmin University) ;
  • Choi, Yongjun (School of Civil and Environmental Engineering, Kookmin University) ;
  • Yang, Heungsik (School of Civil and Environmental Engineering, Kookmin University) ;
  • Lee, Sangho (School of Civil and Environmental Engineering, Kookmin University) ;
  • Choi, June-Seok (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
  • 투고 : 2020.05.07
  • 심사 : 2020.06.17
  • 발행 : 2020.06.15
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초록

In actual seawater desalination plant, the pressure loss due to frictional force of pipe is about 3~5 bar. Also, the pressure loss at pipe connection about 1~3 bar. Therefore, the total pressure loss in the pipe is expected to be about 4~8 bar, which translates into 0.111 to 0.222 kWh/㎥ of energy when converted into the Specific Energy Consumption(SEC). Reducing energy consumption is the most important factor in ensuring the economics of seawater desalination processes, but pressure loss in piping is often not considered in plant design. It is difficult to prevent pressure loss due to friction inside the pipe, but pressure loss at the pipe connection can be reduced by proper pipe design. In this study, seawater desalination plant piping analysis was performed using a commercial network program. The pressure loss and SEC for each case were calculated and compared by seawater desalination plant size.

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참고문헌

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