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Sealed Insulated Tank

A technology of thermal insulation and sealing layer, applied in the field of tank storage and/or tank wall structure, which can solve the problem of weak thermal insulation material, etc.

Active Publication Date: 2017-03-08
GAZTRANSPORT & TECHNIGAZ SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such sealing barriers and foundation insulation are relatively weak and may not necessarily be able to withstand the weight of, for example, masts used to load / unload natural gas tanks

Method used

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Examples

Experimental program
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Embodiment Construction

[0059] A hermetically insulated tank consists of tank walls secured to corresponding wall interior surfaces of a support structure. The supporting structure is, for example, the inner hull of a double-hulled hull or a building on land. For the storage of refrigerated liquids, such as LNG, the tank wall comprises at least one sealing barrier and at least one insulating barrier for safety, possibly including a secondary sealing barrier between the support structure and said sealing barrier, in this case referred to as the primary stage Seal the barrier, between.

[0060] The tank can be manufactured in different shapes, eg prismatic inside the hull of a boat, or cylindrical on land, and so on. By convention, "on top" means located close to the inside of the tank, and "below" means located close to the support structure 1 , regardless of the position of the tank wall relative to gravity.

[0061] figure 1 A liquid collection device 2 is shown passing through the top of a tank....

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PUM

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Abstract

A hermetically insulated tank arranged in a support structure (1) containing a liquid, said tank comprising walls fixed to said support structure, a tank wall having a primary sealing barrier, a primary insulating barrier, a secondary sealing barrier and a secondary insulation barrier, the tank comprising a perforated part passing through the tank wall, in which case the tank wall around the perforated part comprises: On the tank wall, and is covered with the first sealing layer to form the secondary sealing barrier, a circular plate is arranged at the same level as the first sealing layer and parallel to the tank wall to form the secondary sealing barrier, a first The second sealing layer (723a-d) is sealed in the form of a seal spanning the first sealing layer and the circular plate, surrounding the circular plate.

Description

technical field [0001] The present invention relates to the field of manufacture of a sealed and thermally insulated tank. In particular, the invention relates to tanks for the storage of cold or hot liquids, and more particularly to tanks for the storage and / or, marine transport of liquefied gases via support structures. The invention relates more particularly to the construction of the walls of tanks, such tanks comprising perforated members, such as feet, or conduits, and the like. Background technique [0002] Sealed insulated tanks are used in a variety of industries to store hot or cold products. For example, in the energy sector, liquefied natural gas (LNG) is a liquid that can be stored in onshore tanks or in tanks located in offshore facilities at atmospheric pressure of about -163 degrees Celsius. These offshore facilities are primarily barges, methane tanks used to transport products, and offshore facilities known especially by the acronyms FPSO and FSRU to stor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C3/02F17C13/12
CPCF17C3/027F17C13/126F17C2201/0104F17C2201/0157F17C2201/052F17C2203/0333F17C2203/0358F17C2203/0631F17C2203/0682F17C2205/018F17C2205/0355F17C2209/221F17C2209/227F17C2221/033F17C2223/0161F17C2223/033F17C2250/043F17C2250/0452F17C2250/0491F17C2260/033F17C2260/037F17C2260/038F17C2270/0107F17C2270/0113F17C2270/0121F17C2270/0136F17C3/02F17C13/12B63B25/14B63B25/16F17C3/025F17C3/04F17C13/004F17C2203/03F17C2260/02F17C2270/0105
Inventor 约翰·布戈塞巴斯蒂安·杜兰德
Owner GAZTRANSPORT & TECHNIGAZ SA
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