Disclosed are a liquefied gas loading system for a ship and a method thereof. The liquefied gas loading system for a ship in accordance with the present invention comprises: a cargo tank provided on the ship and storing liquefied gas transferred from an outboard liquefied gas terminal; a pressure tank provided in the ship to store boil-off gas generated from the liquefied gas when the ship operates; a compander expansion unit receiving the boil-off gas stored in the pressure tank, expanding the boil-off gas and transferring the boil-off gas to the liquefied gas terminal; and a compander compression unit for receiving and compressing the boil-off gas generated when the liquefied gas is transferred to the cargo tank and transferring the boil-off gas to the liquefied gas terminal. The compander compression unit is axially connected to the compander expansion unit to compress the boil-off gas by the expansion energy of the boil-off gas in the compander expansion unit. The present invention can ensure the safety of the ship by appropriately adjusting the pressure of the cargo tank.

    선박의 액화가스 선적 시스템 및 방법이 개시된다. 본 발명의 선박의 액화가스 선적 시스템은, 선박에 마련되며 선외 액화가스 터미널로부터 이송되는 액화가스를 저장하는 카고탱크; 상기 선박의 운항 시 상기 액화가스로부터 발생하는 증발가스를 저장하도록 상기 선박에 마련되는 압력탱크; 상기 압력탱크에 저장된 상기 증발가스를 공급받아 팽창시켜 상기 액화가스 터미널로 이송하는 컴팬더 팽창부; 및 상기 카고탱크로 액화가스가 이송될 때 발생하는 증발가스를 공급받아 압축시켜 상기 액화가스 터미널로 이송하는 컴팬더 압축부;를 포함하여, 상기 컴팬더 압축부는 상기 컴팬더 팽창부에 축으로 연결되어 상기 컴팬더 팽창부에서의 증발가스의 팽창에너지에 의해 상기 증발가스를 압축하는 것을 특징으로 한다.


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    Title :

    Liquefied Gas Loading System And Method For Ship


    Additional title:

    선박의 액화가스 선적 시스템 및 방법


    Contributors:
    RYU CHAN SUN (author) / KIM HYONG WOO (author) / LEE YUN JU (author) / KIM YOON KEE (author) / SONG JI HOON (author) / HEO SEONG WOOK (author) / OH MIN HYEOK (author)

    Publication date :

    2021-07-20


    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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