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Lng storage tank and constructing method thereof

A technology for liquefied natural gas and storage tanks, which can be used in container filling methods, container structure manufacturing, container discharge methods, etc., and can solve problems such as stress concentration

Inactive Publication Date: 2007-01-17
KC LNG TECH CO LTD ENTIRE RIGHT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, part of the stress is generated by shaking or the movement of the hull, and therefore, there may be stress concentration in the corner part

Method used

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  • Lng storage tank and constructing method thereof
  • Lng storage tank and constructing method thereof
  • Lng storage tank and constructing method thereof

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Embodiment Construction

[0071] The structure of the present invention will be described in detail below with the accompanying drawings.

[0072] The invention relates to a liquefied natural gas storage tank for storing high-pressure and low-temperature liquefied natural gas. All the while, this LNG storage tank is constructed to be impact resistant and liquid tight at all times.

[0073] The LNG storage tank installed on a car or ship in which cargo moves is different from an underground storage tank that hardly moves because suitable countermeasures should be prepared to eliminate mechanical stress due to cargo moving inside the tank. However, the same mechanical stress relief measures used for LNG storage tanks installed on ships can also be used for underground storage tanks. Therefore, here, a liquefied natural gas storage tank installed on a ship is taken as an example to introduce its structure in detail.

[0074] The liquefied natural gas storage tank of the present invention includes a seco...

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Abstract

Disclosed is a liquid container adapted to store liquefied natural gas (LNG). The LNG storage container include a sealing wall directly contacting liquid contained in the tank and a structural wall, which is an exterior wall or inner structure integrated with the exterior wall. The container further includes a plurality of connectors mechanically connecting the sealing wall and the structural wall and an intermediate wall structure positioned between the structural wall and the interior wall. The intermediate wall structure is configured to move relative to at least one of the interior wall and the structural wall.

Description

technical field [0001] The present invention relates to a liquefied natural gas (LNG) storage tank installed in, for example, ships, underground storage tanks and vehicles, and a construction method thereof. More particularly, it relates to a liquefied natural gas (LNG) storage tank and a construction method thereof, in which the manufacturing process of the LNG storage tank for storing LNG conforming to cryogenic liquids is shortened by simplifying the structure thereof, and it is possible to firmly maintain liquid sealing Easily reduce stress due to mechanical deformation. Background technique [0002] Generally, liquefied natural gas (LNG) is produced by liquefying natural gas, a fossil fuel. A liquefied natural gas storage tank is classified into an underground storage tank installed or buried underground, and a mobile storage tank installed on transportation devices such as automobiles and ships, according to installation locations. [0003] The above-mentioned liquef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B25/08
CPCF17C2223/0161F17C2201/0166B63B3/68F17C2223/033F17C2270/0173F17C2209/228F17C2203/0631F17C2203/0358F17C2205/0119F17C2209/232F17C2270/0171F17C2270/0107B63B25/14F17C2221/033F17C2270/0105F17C2209/221F17C2203/0617B63B25/16F17C2260/033F17C2201/054F17C2203/0333F17C13/001F17C2270/0168Y10T29/49616Y10T29/49879
Inventor 梁永明洪性浩尹仁铢杨泳哲徐兴锡金知勋吴秉泽金映均
Owner KC LNG TECH CO LTD ENTIRE RIGHT
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