| 摘要 |
A boil-off gas reliquefaction system and method are disclosed. The boil-off gas reliquefaction system comprises: a compressor which compresses boil-off gas generated in a storage tank formed in a ship or an offshore structure; a heat exchanger which exchanges the heat of the boil-off gas compressed in the compressor with the boil-off gas to be induced to the compressor; and an expansion unit which adiabatically expands the compressed boil-off gas heat-exchanged in the heat exchanger, wherein the compressor is a multi-stage compressor which repeats compression and intercooling, and wherein the boil-off gas compressed through a part of the multi-stage compressor is induced to the heat exchanger. Therefore, the present invention improves operation stability and reduces maintenance and replacement costs by preventing a pipe conduit from clogging without a separate oil separator. |
