Abstract:
A fixing device of a first barrier-reinforcing member is disclosed. An exemplary embodiment provides a fixing device of a first barrier-reinforcing member for supporting first and second corrugated portions that are formed in a first barrier to cross each other in a liquefied natural gas storage tank including a heat-insulating board and a first barrier positioned thereon and forming an inner wall, including: a fixing bracket including a coupling portion fixedly inserted in insertion grooves formed under lateral sides of a crossing portion where the first and second corrugated portions cross, and a body coupled to one side of the coupling portion; and a first fastening member for fastening an impact-absorbing plate between the heat-insulating board and the first barrier with the other side of the body. The reinforcing member is fixed to inner sides of the first and second corrugated portions by the impact-absorbing plate.
Abstract:
The present invention relates to an arrangement for containment of liquid natural gas (LNG) in a hull compartment of a marine construction, comprising a self-supporting primary barrier, a secondary barrier surrounding the self-supporting primary barrier, and an access space between the self-supporting primary barrier and the secondary barrier, wherein the self-supporting primary barrier is a liquid-tight self-supporting LNG tank and is connected with the hull compartment by support devices penetrating the secondary barrier, the secondary barrier is a liquid-tight thermal insulation connected with the interior surface of the hull nd is sealed to the support devices by a flexible liquid tight seal, so that the self-supporting primary barrier and the secondary barrier are separately connected with the hull compartment to prevent transfer of forces between the primary barrier and the secondary barrier.
Abstract:
Disclosed is a container for storing, transporting, and dissociating hydrate pellets, the container comprising: a first container (100) made up of a plurality of frames; a second container (200) which is rotatably installed inside the first container (100), stores hydrate pellets therein, and has an internal surface to which a heat insulating member is attached; and a refrigerating machine (300) which is installed inside the first container (100) and refrigerates the second container (200), wherein the second container (200) is equipped with a heating wire (210), which is heated to dissociate the hydrate pellets by being supplied with power, or with a hot water tube (220), through which hot water flows to dissociate the hydrate pellets, on the internal surface thereof.
Abstract:
A cryogenic liquid storage tank includes a base plate and side wall extending upwardly. The base plate and side wall include an outer leaf enveloping an inner leaf. The outer leaf part of the base plate includes a lower, outer leaf concrete bottom plate on a substrate. The bottom plate is continuous with an outer leaf reinforced concrete layer of the outer side wall. An inward surface of the bottom plate and concrete layer of the outer leaf are lined with a continuous outer leaf metallic membrane. A bottom insulation layer is arranged above the outer leaf metallic membrane on the bottom plate. The inner leaf includes an inner leaf concrete bottom layer on the bottom insulation portion. The inner leaf metal membrane is lined with an inner leaf inner concrete layer. The outer leaf hoop stress reinforced outer concrete wall supporting an insulated dome structure.
Abstract:
An article is provided that can be used as a heating source for various applications. The article includes an environmentally friendly gaseous fuel mixture within a gas cylinder that is both non-corrosive and refillable. More specifically, the gaseous fuel mixture contains hydrogen and methane. Methods of using the article as a heating source are also provided.
Abstract:
A fluidtight tank including a bearing structure, a fluidtight barrier, the fluidtight barrier having a polygonal, cylindrical shape and including a vertical wall and a bottom wall, in which the said vertical wall of the fluidtight barrier has a plurality of vertical panels the bearing structure surrounding the vertical wall, and in which the bottom wall includes a plurality of rectangular components arranged in sectors that are the image of one another but rotated, the edges of the rectangular components of one of the sectors being respectively parallel and perpendicular to one of the vertical panels, wherein the number of the vertical panels is twice the number of the sectors.
Abstract:
When manufacturing a low-temperature tank (1), a plurality of unit tanks (10) that are able to be connected together by mutually different objects, and that are each capable of storing low-temperature liquefied gas are manufactured in a factory that is distant from a construction site. The unit tanks (10) are then transported to the construction site, and an inner tank (2) is then assembled at the construction site by connecting together the plurality of unit tanks (10). An outer tank (3) is then formed around the inner tank (2).
Abstract:
A new procedure for constructing cryogenic storage tanks involves erecting a freestanding metal liner. The liner is sized and configured to withstand the hydraulic forces the concrete wall of the tank being poured without the need for temporary stiffeners on the inside surface of lower portions of the liner. Lateral tension ties can be connected to anchor ties on an outward surface of the liner and used to tie the liner to outer formwork. These ties may be spaced up to about 2 m apart. Studs can also be provided on the outer surface of the liner, and a cylindrical ring of cryogenic steel can be integrated into the liner.
Abstract:
Provided is a method for operating a fuel supply system for a marine structure. The fuel supply system includes a BOG compression unit configured to receive and compress BOG generated in a storage tank, a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit, a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus, and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump. The fuel supply system includes a recondenser installed at an upstream side of the high-pressure pump, and the recondenser recondenses a portion or all of the generated BOG by using liquefied gas supplied from the storage tank. During a ballast voyage process, all of the BOG is supplied to and recondensed by the recondenser, and an operation of the reliquefaction apparatus is interrupted.
Abstract:
In various embodiments, lined underground reservoirs and/or insulated pipeline vessels are utilized for storage of compressed fluid in conjunction with energy storage and recovery systems.