- F-LNG 탑사이드 화재 안전 시스템
- F-LNG 플로팅 LNG; Topside fire risk 탑사이드 화재 위험; LNG fire 액화천연가스 화재; High expansion foam 고팽창 포말
- Publication Year
- 한국해양대학교 대학원
- Global economic recession after the financial crisis of 2008 and increase of the supply ability of shale gas of the U.S.A. are creating a negative impact on the F-LNG market.
However it is expected to expand the F-LNG market due to the continuous rising of LNG demand in the world energy markets and interest in clean energy by environment-friendly policies. Also, there are many middle and small scale gas wells near shore and offshore gas reserves which are needed to develop F-LNG on a suitable economic scale.
The offshore platforms and FPSO are exposed to hazards related to hydrocarbon fire and explosion. These hazardous accidents make serious consequences for the structural safety, human lives, and surrounding environment. In particular, the liquefaction process is exposed to high fire and explosion risk due to large liquefied inventory of light hydrocarbon and high operating pressure.
The objective of this paper is to evaluate suitability of fire protection systems and suggest an improvement plan by studying the characteristics
of topside of F-LNG and installed fire protection system during construction.
According to NFPA 11A "Standard for Medium and High expansion foam systems" high expansion foam can only satisfactorily protect LNG fire and the amount of radiation from a burning LNG spill can be reduced by as much as 95 percent with some high expansion foams. This reduction is due in part to the foam barrier, which reduces vaporization by blocking heat feedback from the flames to the LNG.
In conclusion, installation of high expansion foam systems should be considered for modules having leak potential including, S3(Dehydration unit), S5(Main cooling heat exchanger 1st & 2nd train), main deck liquid dome and loading station.
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F-LNG 탑사이드 화재 안전 시스템.pdf
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