LNG COMPRESSION TRAIN INCLUDING ONE CENTRIFUGAL COMPRESSOR AND LNG PLANT

The present invention relates to a compression train for a natural gas liquefaction process. The compression train includes a driving machine and only one centrifugal compressor rotated and driven by the driving machine. The compressor is configured to compress a refrigerant gas with a molecular wei...

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Bibliographische Detailangaben
Hauptverfasser: FORMICHINI MARCO, IURISCI GIUSEPPE, GRIMALDI ANGELO, MATINA DARIO, SASSANELLI GIUSEPPE, BECHERUCCI DAVIDE, CRISTALLO ANTONIO
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:The present invention relates to a compression train for a natural gas liquefaction process. The compression train includes a driving machine and only one centrifugal compressor rotated and driven by the driving machine. The compressor is configured to compress a refrigerant gas with a molecular weight of less than 30 g/mol from suction pressure to discharge pressure. A ratio between the discharge pressure and the suction pressure is greater than 10, preferably greater than 12, and more preferably greater than 15. An LNG plant includes one or more compression trains according to the present invention. Accordingly, the present invention can obtain a higher LNG yield in a smaller space and/or a smaller occupied area. 천연가스 액화 프로세스를 위한 압축 트레인. 압축 트레인은, 구동 기계 및, 상기 구동 기계에 의해 회전 구동되는 단지 하나의 원심형 압축기를 포함하고; 압축기는, 30 g/mol 미만의 분자량을 갖는 냉매 가스를 흡입 압력으로부터 토출 압력까지 압축하도록 구성되며; 토출 압력과 흡입 압력 사이의 비율은, 10 초과, 바람직하게 12 초과, 더욱 바람직하게 15 초과이다. LNG 플랜트는 본 발명에 따른 압축 트레인을 하나 이상 포함한다.