According to one embodiment of the present invention, a gas treatment system includes: a re-liquefying device heat-exchanging a refrigerant and gas and re-liquefying the gas; a vapor-liquid separator supplied with the gas at least partially re-liquefied in the re-liquefying device to separate the same into vapor and liquid, supplying the vapor gas to a boil off gas compressor to use the same as fuel, and producing the liquid gas as liquefied gas to supply the same to a liquefied gas storage tank; and a surge preventing device preventing surge generation of the boil off gas compressor, wherein the surge preventing device vaporizes at least a part of the at least partially re-liquefied gas discharged from the re-liquefying device and increases a flow rate of the vapor supplied to the boil off gas compressor when the surge is generated in the boil off gas compressor.

    본 발명의 일 실시예에 따른 가스 처리 시스템은, 냉매와 가스를 열교환시켜 상기 가스를 재액화하는 재액화장치; 상기 재액화장치에서 적어도 일부 재액화된 가스를 공급받아 기상과 액상으로 분리하여, 상기 기상의 가스를 증발가스 압축기로 공급하여 연료로 사용하도록 하고, 상기 액상의 가스를 액화가스로 생산하여 액화가스 저장탱크로 공급하는 기액분리기; 및 상기 증발가스 압축기의 서지(surge) 발생을 방지하는 서지방지장치를 포함하고, 상기 서지방지장치는, 상기 증발가스 압축기에서 서지가 발생하는 경우, 상기 재액화장치로부터 배출되는 적어도 일부 재액화된 가스를 적어도 일부 기화시켜 상기 증발가스 압축기로 공급되는 상기 기상의 유량을 증가시키는 것을 특징으로 한다.


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    Title :

    gas treatment system and offshore plant having the same


    Additional title:

    가스 처리 시스템 및 이를 포함하는 해양 부유물


    Contributors:
    KIM YOUNG HUN (author) / NAM KI IL (author) / PARK SANG MIN (author) / HWANG HEE WON (author)

    Publication date :

    2019-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES



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