LNG storage tank and ship having thereof
AssigneePosco
InventorsSang-Hun Son, Myung-Hyun Noh, Eung-Soo Kim
Life of this patent
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Abstract
A liquefied gas storage tank according to an embodiment of the present invention may comprise: a tank unit in which liquefied gas is stored; an inner box unit disposed inside the tank unit and installed at the bottom portion of the tank unit; and a pump unit that has an inlet pipe part formed to pass through a lower wall portion of the inner box unit and communicate with the inside of the inner box unit, and suctions the liquefied gas stored in the tank unit through the inlet pipe part, thereby supplying the liquefied gas to the outside.
Claims13
A liquefied gas storage tank, comprising:
- a tank unit in which liquefied gas is stored;
- an inner box unit that is disposed inside the tank unit and installed at a bottom portion of the tank unit;
- and
- a pump unit that has an inlet pipe formed to pass through a lower wall portion of the inner box unit and communicate with the inside of the inner box unit, and suctions the liquefied gas stored in the tank unit through the inlet pipe and supplies the liquefied gas to the outside,
- wherein the inner box unit is formed to be depressed downwardly from the bottom portion of the tank unit, and
- wherein the lower wall portion of the inner box unit is formed at a lower height than the bottom portion of the tank unit.
A liquefied gas storage tank, comprising:
- a tank unit in which liquefied gas is stored;
- an inner box unit that is disposed inside the tank unit and installed at a bottom portion of the tank unit;
- and
- a pump unit that has an inlet pipe formed to pass through a lower wall portion of the inner box unit and communicate with the inside of the inner box unit, and suctions the liquefied gas stored in the tank unit through the inlet pipe and supplies the liquefied gas to the outside,
- wherein the inner box unit is provided to surround a periphery of the inlet pipe,
- wherein the inner box unit includes a backflow prevention unit provided so that the liquefied gas is introduced but not discharged, and
- wherein the backflow prevention unit includes a difference pressure pipe having a differential pressure inlet end portion that extends outwardly of the inner box unit and a differential pressure outlet end portion that extends into the inner box unit and is disposed at a height lower than the differential pressure inlet end portion.
A liquefied gas storage tank, comprising:
- a tank unit in which liquefied gas is stored;
- an inner box unit that is disposed inside the tank unit and installed at a bottom portion of the tank unit;
- a pump unit that has an inlet pipe formed to pass through a lower wall portion of the inner box unit and communicate with the inside of the inner box unit, and suctions the liquefied gas stored in the tank unit through the inlet pipe and supplies the liquefied gas to the outside;
- and
- a cryogenic unit that is provided to be in contact with at least the inlet pipe, and has the liquefied gas contained therein,
- wherein the cryogenic unit includes an insertion cylinder part that is provided to pass through the inlet pipe so that the inside of the inner box unit communicates with the inlet pipe and formed in a cylindrical shape in contact with the inlet pipe.
Dependencies are inferred from the claim text.