Disclosed are a boil-off gas treatment system and a method for a ship. According to the present invention, the boil-off gas treatment system for the ship comprises: a compressor which receives boil-off gas generated from liquefied gas stored in a storage tank in the ship and compresses the boil-off gas; a heat exchanger which receives all or part of the compressed gas compressed by the compressor, and cools the compressed gas by making the compressed gas exchange heat with uncompressed boil-off gas which is going to be supplied to the compressor; a reliquefaction unit which receives, additionally cools, and reliquefies the compressed gas cooled in the heat exchanger; a first fuel supply line which separates flash gas including gas in the reliquefaction unit, and supplies the flash gas as fuel to a power generator engine of the ship; and a branch line which is placed between the heat exchanger and the reliquefaction unit to branch the compressed gas and supplies the branched compressed gas to the power generator engine. The branch line joins the first fuel supply line on a front end of the heat exchanger. The fuel which is going to be supplied to the power generator engine along the first fuel supply line passes through the heat exchanger and exchanges heat in the heat exchanger, and then is supplied to the power generator engine. The present invention aims to provide a boil-off gas treatment system and method for the ship, which are able to increase the cooling performance of the heat exchanger, and to improve the reliquefaction performance.

    선박의 증발가스 처리 시스템 및 방법이 개시된다. 본 발명의 선박의 증발가스 처리 시스템은, 선박의 저장탱크에 저장된 액화가스로부터 발생하는 증발가스를 공급받아 압축하는 압축기; 상기 압축기에서 압축된 압축가스의 전부 또는 일부를 공급받아 상기 압축기로 공급될 미압축 증발가스와 열교환으로 냉각시키는 열교환기; 상기 열교환기에서 냉각된 상기 압축가스를 공급받아 추가 냉각하여 재액화시키는 재액화부; 상기 재액화부에서 미액화된 가스를 포함한 플래시 가스를 분리하여 선내 발전엔진의 연료로 공급하는 제1 연료공급라인; 및 상기 열교환기와 상기 재액화부 사이에서 상기 압축가스를 분기하여 상기 발전엔진으로 공급하는 분기라인;을 포함하며, 상기 분기라인은 상기 열교환기의 전단에서 상기 제1 연료공급라인으로 합류되고, 상기 제1 연료공급라인을 따라 상기 발전엔진으로 공급될 연료는 상기 열교환기를 거쳐 열교환 후 상기 발전엔진으로 공급되는 것을 특징으로 한다.


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    Titel :

    Boil-Off Gas Treatment System and Method for Ship


    Weitere Titelangaben:

    선박의 증발가스 처리 시스템 및 방법


    Beteiligte:
    KWAK IN JUNG (Autor:in) / CHOI WON JAE (Autor:in) / LEE JOON CHAE (Autor:in) / CHOI JIN HO (Autor:in) / PARK JU WOON (Autor:in) / SHIN HYUN JUN (Autor:in)

    Erscheinungsdatum :

    2021-05-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / 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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