Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Eco-Friendly Drying Technology using Superheated Steam

과열 증기 이용 친환경 건조기술

  • Kim, Og Sin (Department of Chemical Engineering, Sungkyunkwan University) ;
  • Lee, Dong Hyun (Department of Chemical Engineering, Sungkyunkwan University) ;
  • Chun, Won Pyo (Waste Heat Energy Research Center, Korea Institute of Energy Research)
  • 김옥신 (성균관대학교 화학공학과) ;
  • 이동현 (성균관대학교 화학공학과) ;
  • 전원표 (한국에너지기술연구원 폐열에너지연구센터)
  • Received : 2007.09.11
  • Accepted : 2008.01.12
  • Published : 2008.04.30
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Abstract

For being recent high oil price age, the interest in superheated steam drying technology is increasing as the method to enhance the energy efficiency of drying process consuming a lot of energy. This technology uses the superheated steam as drying medium to dry the materials and has advantages that can save the energy by recycling the evaporated high-temperature steam, enhance the quality of dried products, and minimize the exhaust of environmental pollution materials. In this work, it has been introduced from general drying principle to the principle and related studies of drying technology using superheated steam, using examples of superheated steam with dryer types, and industrial applications.

최근 고유가 시대를 맞이하여 에너지 다소비 공정인 건조 공정의 에너지 효율을 향상시키기 위한 방법으로 과열증기를 이용한 건조방식이 많은 관심의 대상이 되고 있다. 이 기술은 과열증기를 건조매체로 사용하여 피건조물을 건조하는 방식으로써 고온의 증발 증기를 재활용함으로써 에너지를 절약할 수 있고 건조된 제품의 품질이 향상되며 환경오염 물질의 배출을 최소화 할 수 있는 등의 장점이 있다. 본고에서는 과열증기를 이용한 건조기술의 원리와 관련 연구들을 소개한 후 건조기 형태에 따른 과열증기의 이용 사례 및 산업적 응용분야에 대하여 중점적으로 소개하고자 한다.

Keywords

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