Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on the Method to Avoid the Gas Group IIC Equipment of Explosion Proof Electrical Equipment Adjacent to the Source of Release of Hydrogen Handling Facility

수소 취급설비의 누출원에 인접한 방폭전기기기의 가스그룹 IIC 기기 회피 방안에 관한 연구

  • 변윤섭 (울산과학대학교 화학공학과)
  • Received : 2022.06.21
  • Accepted : 2022.08.11
  • Published : 2022.08.30
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Abstract

Appropriate explosion proof electrical equipment should be installed in hazardous areas. In areas where hydrogen is handled, explosion proof electrical equipment adjacent to the hydrogen handing facility must be reviewed for selection of gas group IIC (or IIB+H2) equipment. When selecting explosion proof electrical equipment for the flammable substance handling facility in areas where hydrogen and flammable substance are handled, the method to avoid gas group IIC (or IIB+H2) equipment has been suggested by using the operating pressure of the hydrogen handling facility. When the operating pressure of the outdoor hydrogen handling facility is 1.065 MPa or less, it has been confirmed that there is no need to install gas group IIC (or IIB+H2) equipment for the flammable substance handling facility adjacent to the hydrogen handling facility. And the method of selecting explosion proof electrical equipment for the flammable substance handling facility has been suggested as a flowchart, so it will be able to be utilized when selecting appropriate explosion proof electrical equipment.

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References

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