liquefaction system of boil-off gas and ship having the same
liquefaction system of boil-off gas and ship having the same
- New search for: LEE GEUN BO
- New search for: KWAK JEONG MIN
- New search for: LEE JIN KWANG
- New search for: LIM WON SUB
- New search for: LEE GEUN BO
- New search for: KWAK JEONG MIN
- New search for: LEE JIN KWANG
- New search for: LIM WON SUB
The present invention relates to a boil-off gas (BOG) re-liquefaction system and a vessel thereof, including a liquefying portion for liquefying BOG by using a mixed refrigerant. The liquefying portion includes: a re-liquefier for liquefying BOG by heat exchange with a mixed refrigerant; a mixed refrigerant compressor, which is a screw type using oil for sealing and lubrication, and which compresses the mixed refrigerant; and an oil treatment portion for separating the oil from the compressed mixed refrigerant and recirculating the resultant oil to the mixed refrigerant compressor, wherein the oil treatment portion is configured to allow at least a part of the oil to go around the mixed refrigerant compressor and to be mixed with the compressed mixed refrigerant.
본 발명은 증발가스 재액화 시스템 및 선박에 관한 것으로서, 혼합냉매를 이용하여 증발가스를 액화시키는 액화부를 포함하고, 상기 액화부는, 상기 증발가스를 상기 혼합냉매와 열교환시켜 액화하는 재액화기; 실링 및 윤활을 위해 오일을 사용하는 스크류 타입이고 상기 혼합냉매를 압축하는 혼합냉매 압축기; 및 압축된 상기 혼합냉매에서 상기 오일을 분리해 상기 혼합냉매 압축기로 재순환시키는 오일 처리부를 포함하며, 상기 오일 처리부는, 상기 오일 중 적어도 일부가 상기 혼합냉매 압축기를 우회하여 압축된 상기 혼합냉매에 혼합되도록 하는 것을 특징으로 한다.
Document information
liquefaction system of boil-off gas and ship having the same
증발가스 재액화 시스템 및 선박
2018-01-03
Patent
Electronic Resource
Korean
| 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 / F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT , Verflüssigen, Verfestigen oder Trennen von Gasen oder Gasgemischen durch Druck- und Kältebehandlung |
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