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고체 고온공정에서 효율적 에너지 관리 - (1) 공정 열정산 및 평가 방법

Efficient Energy Management for Pyro-processing of Solids - (1) Heat & Mass Balance and Evaluation

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초록

Pyro-process of solids is the way to heat solid materials under high temperature. In this processing, energy efficient use is one of the main concerns due to its high energy consumption of bulk materials. To calculate the energy use of processes, heat & mass balance in simplified 0-dimensional model was performed. Energy calculation by this simplified model can lead to confusion due to simplification. Thus, it is necessary to understand considerations of energy analysis. In this study, cement manufacturing as a very common example of pyroprocessing of solids, was introduced for explaining considerations of energy analysis for energy efficient use.

Abstract

Pyro-process of solids is the way to heat solid materials under high temperature. In this processing, energy efficient use is one of the main concerns due to its high energy consumption of bulk materials. To calculate the energy use of processes, heat & mass balance in simplified 0-dimensional model was performed. Energy calculation by this simplified model can lead to confusion due to simplification. Thus, it is necessary to understand considerations of energy analysis. In this study, cement manufacturing as a very common example of pyroprocessing of solids, was introduced for explaining considerations of energy analysis for energy efficient use.

참고문헌 (7)

  1. G. Kabir, "Energy audit and conservation opportunities for pyroprocessing unit of a typical dry process cement plant", Energy, 35, pp.1237~1243 (2010)
  2. Y. Cengel, "Thermodynamics: An engineering approach" (2011), McGraw-Hill
  3. S. Khurana, "Energy balance and cogeneration for a cement plant", Ap-plied Thermal Engineering, 22, pp.485~494 (2002)
  4. T.J. Hahn, "Thermal performance evaluation of pyroprocessing of solid powder", Master, pp.2014
  5. 엄민제, "로터리킬른 반응기 설계를 위한 성능해석 모형", 한국연소학회지, 18(3), pp.9~23 (2013), 한국연소학회
  6. T. Engin, "Energy auditing and recovery for dry type cement rotary kiln systems - A case study", Energy Conversion and Management, 46, pp.551~562 (2005)
  7. S. Karellas, "Energetic and exergetic analysis of waste heat recovery systems in the cement industry", Energy, 58, pp.147~156 (2013)

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