WARMING UP APPARATUS FOR LNG CARGO TANK MAINTENANCE

摘要

The present invention relates to an apparatus for warming up an LNG storage tank. More specifically, the apparatus for warming up an LNG storage tank using a defrost gas generated during a gas liquefaction process of an FLNG top side before maintenance and repair the LNG storage tank. The present invention uses the defrost gas generated during the gas liquefaction process of the FLNG top side without providing an additional compressor and an additional heater required only for test operation of a gas in order to provide excellent reliability of a board device, improve economic efficiency and have an advantage of securing a space inside a ship.