The present invention relates to a gas treatment system and an offshore structure including the same. The system provided in an offshore structure to receive gas from a gas well and treat the same comprises: a cooling unit cooling the gas produced from the gas well; a distillation unit performing cryogenic distillation to separate carbon dioxide from the cooled gas; a carbon dioxide treatment unit re-injecting the separated carbon dioxide into an underground re-injection well; and a liquefying unit liquefying the gas from which the carbon dioxide is separated. The carbon dioxide treatment unit includes: a carbon dioxide pump applying pressure to carbon dioxide in a liquid state so that the carbon dioxide is in a supercritical state; and a control valve provided downstream of the carbon dioxide pump, and adjusted in opening on the basis of a pressure measurement value for the carbon dioxide in the liquid state to reduce variations of pressure against the carbon dioxide in the re-injection well. Therefore, a problem due to freezing or the like can be prevented from occurring.

    본 발명은 가스 처리 시스템 및 이를 포함하는 해양 구조물에 관한 것으로서, 해양 구조물에 마련되어 가스정으로부터 가스를 공급받아 처리하는 시스템으로서, 상기 가스정에서 생산되는 가스를 냉각하는 냉각부; 냉각된 가스에서 이산화탄소를 분리하기 위해 극저온 증류하는 증류부; 분리된 이산화탄소를 지하의 재주입정으로 재주입하는 이산화탄소 처리부; 및 이산화탄소가 분리된 가스를 액화하는 액화부를 포함하며, 상기 이산화탄소 처리부는, 액체 상태의 이산화탄소를 초임계 상태가 되도록 가압하는 이산화탄소 펌프; 및 상기 이산화탄소 펌프의 하류에 마련되며, 액체 상태의 이산화탄소에 대한 압력 측정값을 바탕으로 개도가 조절되어 상기 재주입정에서의 이산화탄소의 압력 변동을 줄이는 제어밸브를 포함하는 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 구조물


    Contributors:
    HWANG SAE BOM (author) / SEO YU TAEK (author) / PARK KI HEUM (author)

    Publication date :

    2020-01-08


    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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