マリンエンジニアリング
Online ISSN : 1884-3778
Print ISSN : 1346-1427
ISSN-L : 1346-1427
余剰天然ガス (BOG) の安全で, 経済的な焼却炉について
Peter BreidenichStefan Jurga小俣 明
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2005 年 40 巻 3 号 p. 334-336

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Until recently, LNG carriers have been equipped with steam propulsion systems. Boil-Off Gas (BOG) is then fired in the steam generating plant by dual fuel burners. When the amount of BOG is greater than required for propulsion, excess steam is dumped into the main condenser of the steam turbine and cooled down. The main condenser is sized accordingly. This dumping facility is not available for LNG carriers with alternative propulsion systems, however. New ship designs thus require a safe and economical BOG treatment when there is no other use for the gas. Venting to the atmosphere is not considered acceptable for environmental and safety reasons.

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