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Flammability and Thermal Stabilities of Heat Transfer Oils

열매체유의 인화성과 열안정성

  • Lee, Keun-Won (Center for Chemical Safety and Health, Occupational Safety & Health Research Institute, Kosha) ;
  • Lee, Jung-Suk (Center for Chemical Safety and Health, Occupational Safety & Health Research Institute, Kosha) ;
  • Choi, Yi-Rac (Center for Chemical Safety and Health, Occupational Safety & Health Research Institute, Kosha)
  • 이근원 (한국산업안전보건공단 산업안전보건연구원) ;
  • 이정석 (한국산업안전보건공단 산업안전보건연구원) ;
  • 최이락 (한국산업안전보건공단 산업안전보건연구원)
  • Received : 2011.02.21
  • Accepted : 2011.04.21
  • Published : 2011.04.30

Abstract

Heat transfer oils are used in applications such as heating systems of chemical plant, refinery heat exchange systems, gas plant process, injection molding systems, and pulp and paper processing. These oils are extremely stable and resistance to thermal and oxidative degradation. In the event of a spill or accidental release of heat transfer oils, it can be ignite easily when there is an ignition source. This paper discusses the flammability and thermal stabilities of new and used oils. The flammability of the oils are assessed by measuring changes in flash point and auto ignition temperature. The thermal stability of oils are evaluated by the thermal screening unit ($TS^u$) and the differential scanning calorimeter (DSC). From the experimental results, it is suggested to give fire hazard characteristics to safe precautions for the proper use and treatment of heat transfer oils.

열매체유는 화학공장의 가열시스템, 열교환 시스템, 가스플랜트 공정, 사출성형 시스템 및 펄프제지 공정 등에 사용된다. 열매체유는 고열이나 산화분해에 아주 안정하고 저항성이 있으며, 누출이나 방출의 경우 점화원을 만나면 쉽게 발화한다. 본 논문은 열메체유의 신유와 사용유에 대해 인화성과 열적 안정성을 고찰하였다. 열매체유의 인화성은 인화점과 자연발화점을 측정하여 평가하였고, 열적안정성은 열안정성시험기와 시차주사열량기를 사용하여 평가하였다. 실험결과로부터 열매체유의 적절한 사용과 취급과 관련된 안전대책 수립을 위해 화재 위험 특성을 제시하였다.

Keywords

References

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Cited by

  1. A Study on the Actual Status of Heat Transfer oils in Industries for Process Safety Management vol.18, pp.5, 2014, https://doi.org/10.7842/kigas.2014.18.5.33
  2. A Study on the Actual Conditions of Safety Management in Thermal Oil System vol.29, pp.5, 2014, https://doi.org/10.14346/JKOSOS.2014.29.5.060