Double barrier for liquefied gas storage tank and method of constructing the same

A liquefied gas storage tank and liquefied gas technology, applied in the direction of gas processing/storage, fixed capacity gas storage tank, outer wall of container structure, etc., can solve the problems of large storage tank volume, high material cost, etc.

Inactive Publication Date: 2011-05-11
KC液化天然气科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the conventional storage tank occupies a considerable area on land due to its large volume, and requires a lot of materials and a relatively high cost in the construction of the cylindrical wall

Method used

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  • Double barrier for liquefied gas storage tank and method of constructing the same
  • Double barrier for liquefied gas storage tank and method of constructing the same
  • Double barrier for liquefied gas storage tank and method of constructing the same

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] refer to figure 2 with image 3 , the double barrier for land-based liquefied gas storage tanks includes: a sealing wall 10 as a primary barrier, directly in contact with the liquefied gas stored in the storage tank; and an insulating wall 20 as a secondary barrier, arranged on the tank body 3 and the sealing wall 10 to prevent heat transfer from the outside of the tank and leakage of liquefied gas.

[0026] The sealing wall 10 (that is, the primary barrier) is continuously formed of a metal material (such as stainless steel (SUS) or the like) that can withstand the low-temperature environment inside the tank. The sealing wall 10 may be formed with corrugations 11 to absorb thermal deformation of the storage tank that occurs during receiving the liquefied gas.

[0027] The insulating wall 20 as a secondary barrier includes a primary insulating ...

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PUM

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Abstract

A double-barner for a land-based liquefied gas storage tank and a method of constructing the same are disclosed. The double-barrier includes an insulating wall inside a tank body of the storage tank, and a sealing wall disposed inside the insulating wall to primarily prevent leakage of a liquefied gas while directly contacting the liquefied gas in the storage tank. The insulating wall includes a plurality of insulating panels attached to the tank body and separated from each other, and a space between the insulating panels is filled with an insulating material to secondarily prevent leakage of the liquefied gas. The double-barrier can doubly prevent leakage of the liquefied gas without additional installation of a secondary barrier outside the storage tank.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2009-0106532 filed on Nov. 5, 2009, which is hereby incorporated by reference for all purposes as if in its entirety. technical field [0003] The present invention relates to a double barrier for a land-based liquefied gas storage tank and a construction method thereof, more particularly, to a double barrier for a land-based liquefied gas storage tank and a construction method thereof, in which the wall of the storage tank Including a sealing barrier and an insulating barrier, so as to double prevent the leakage of liquefied gas without installing an additional secondary barrier on the outside of the storage tank. Background technique [0004] In general, onshore liquefied gas storage tanks are generally cylindrical and have a flat bottom, and are used to store liquefied gas used as fuel, such as liquefied natural gas (LNG), liquefied p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/12F17C1/00
CPCF17C3/022F17C2201/0119F17C2203/0333F17C2203/035F17C2203/0358F17C2203/0604F17C2203/0607F17C2203/0629F17C2203/0636F17C2203/0643F17C2203/0678F17C2209/227F17C2209/232F17C2209/238F17C2221/011F17C2221/014F17C2221/033F17C2221/035F17C2223/0161F17C2223/033F17C2260/036F17C2270/0134B65D90/06F17C3/04
Inventor 梁永明尹仁铢李英范崔成熹金映均
Owner KC液化天然气科技有限公司
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