Journal of the Korean Institute of Gas (한국가스학회지)

The Korean Institute of GAS (한국가스학회)
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Development of Performance Verification Method for Components of IoT-based Industrial Valve Safety Management System

IoT 기반 산업용 밸브 안전관리 시스템 구성장치의 성능검증 방안 개발

  • Kim, Jae-Ok (Institutes of Gas R&D, Korea Gas Safety Corporation) ;
  • Lyu, Geun-Jun (Institutes of Gas R&D, Korea Gas Safety Corporation) ;
  • Lee, Kyung-Sik (Institutes of Gas R&D, Korea Gas Safety Corporation) ;
  • Kim, Jung-Hoon (Institutes of Gas R&D, Korea Gas Safety Corporation)
  • 김재옥 (한국가스안전공사 가스안전연구원) ;
  • 유근준 (한국가스안전공사 가스안전연구원) ;
  • 이경식 (한국가스안전공사 가스안전연구원) ;
  • 김정훈 (한국가스안전공사 가스안전연구원)
  • Received : 2020.04.03
  • Accepted : 2020.09.16
  • Published : 2020.10.31
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Abstract

Valve leak accidents in petrochemistry plants and gas utilities cause human and property damage. The main reason why happen gas inhalation, poisoning, fire and explosion accidents is gas valve leakage. To prevent gas leakage, inspectors check the facilities in the field. And they are at risk of gas leak accidents. So we applied IoT-based risk assessment, monitoring and automatic control system. It can detect both internal and external gas leakage, do real-time monitoring of industrial valve in the plant by using hybrid sensor. As the new safety management system for industrial valve is developed, it needs method to evaluate device performance and environmental components for the system. This study is about development of method to verify performance of the explosion-proofed hybrid sensing system include gas detector and optical fiber sensor supporting wire and wireless communication.

석유화학 플랜트 및 가스 시설물의 밸브 사고는 심각한 인적·물적 피해를 유발하며 이러한 시설에서의 주요사고 원인은 밸브에서의 가스 누출로 인한 흡입, 중독, 화재 및 폭발사고이다. 가스 누출을 예방하기 위한 점검은 인력에 의해 직접 검사가 이루어지는 경우가 많으며, 점검자는 가스 누출사고의 위험에 직접적으로 노출된다. 이러한 사고를 예방하기 위하여 IoT 기반 위험 분석 및 위험성 평가 모니터링 시스템과 자동제어 시스템을 적용하였다. 이를 통하여 산업용 밸브의 내·외부 가스 누출을 검지하고 하이브리드 센서를 통한 국부 및 전역 센싱으로 플랜트 현장에서의 밸브 이상으로 인한 사고를 실시간으로 모니터링 할 수 있다. 이와 같이 새로운 산업용 밸브 안전관리 시스템이 개발됨에 따라 관련 구성장치에 대한 성능 및 현장부합성에 대한 평가방안이 요구되었다. 본 연구에서는 산업용 유무선 통신을 지원하고 가스센서와 광섬유센서를 포함하는 방폭형 하이브리드 센싱 시스템과 자동제어가 가능한 액추에이터 패키지의 성능을 평가하기 위한 시험 항목 및 방법을 제시하였고 시스템의 신뢰성을 확보할 수 있는 구성장치의 성능검증 방안을 개발하였다.

Keywords

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