LNG STORAGE TANK RESTRAINT SYSTEM OF BOIL-OFF GAS AND BUBBLE RISE RESTRAINT STRUCTURE THEEOF

摘要

Disclosed is a vapor gas restraint system of a cargo hold. The vapor gas restraint system of a cargo hold includes a cargo hold for storing liquefied natural gas; a vapor gas injection pipe reaching from the top of the cargo hold to the inner bottom of the cargo hold; a compressor connected to the top side of the vapor gas injection pipe to forcibly inject vapor gas generated from the cargo hold into the inner bottom of the cargo hold; and a bubble rise restraining structure installed on the inner bottom of the cargo hold and connected to the bottom of the vapor gas injection pipe.