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System and method for heating storage tank of liquefied gas

A technology for liquefied gas and liquid, applied in the direction of gas processing/storage purpose, gas/liquid distribution and storage, method of container discharge, etc.

Pending Publication Date: 2022-01-25
GAZTRANSPORT & TECHNIGAZ
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] At present, there are no means to prevent the risk of deterioration of latex and paint on the inner surface of the support structure of the tank, which is integrated or installed in the support structure of the tank, arranged and fixed to it

Method used

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  • System and method for heating storage tank of liquefied gas
  • System and method for heating storage tank of liquefied gas
  • System and method for heating storage tank of liquefied gas

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Embodiment Construction

[0079] The term "vertical" here means extending in the direction of the Earth's gravitational field. The term "horizontal" here means extending in a direction perpendicular to the vertical direction.

[0080] In the following, the present invention is illustrated by means of a vessel 70 of LNGC (Liquefied Natural Gas Carrier) type typically comprising four sealed and insulated tanks 71 . In fact, it is on this type of structure housing prior art storage devices that, thanks to the invention, the Applicant has been able to notice potential faults and thus solve them. However, it is conceivable to apply the features of the present invention to another type of vessel for the transport / storage of liquefied gas, or even a different type of structure, such as land or sea tank (gravity-based storage (GBS)) type structures, Among them, the questions and / or requirements are similar.

[0081] More precisely, the LNGC type vessel 70 represented in the drawings has four tanks 71: three ...

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Abstract

The present invention relates to a system and method for heating a storage tank (71) of liquefied gas. A step is provided for heating at least one ballast tank (20) and / or heating the inter-deck space (23) above the tank when the ballast tank (20) is at least substantially emptied of seawater.

Description

technical field [0001] The invention relates to the field of storage devices for liquefied gases, the storage devices comprising sealed and thermally insulated tanks. In particular, the present invention relates to the field of sealed and insulated tanks for storing and / or transporting liquefied gases at extremely low temperatures, such as for transporting ethane (about -90°C), ethylene (about -104°C ) and temperature such as liquefied petroleum gas (Liquefied Petroleum Gas, LPG) tanks between -50°C and 0°C, or for transporting liquefied natural gas (Liquefied Natural Gas, LNG) at about -162°C at atmospheric pressure or such as A tank of ammonia liquefied gas (about -30°C). The tank can be used to transport and store liquefied gas, or to contain liquefied gas used as fuel for propelling floating structures (ships). Background technique [0002] Document FR2991430, filed in the name of the applicant, describes an example of a storage device for liquefied gases comprising a ...

Claims

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Application Information

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IPC IPC(8): B63B25/16B63J2/14
CPCB63B25/16B63J2/14F17C13/004F17C2201/0157F17C2201/052F17C2221/033F17C2223/0161F17C2223/033F17C2227/0316F17C2227/0383F17C2250/0439F17C2250/0491F17C2250/0631F17C2260/032F17C2270/0107F17C2227/0304F17C2227/0309B63B43/06B63B27/24F17C3/027F17C13/12F17C13/026F17C2221/035F17C2260/04F17C2270/0105
Inventor 弗里德里克·洛米尔洛朗·斯佩塔尔保罗·贝尔纳特马克·邦尼塞尔D·布雷纳克
Owner GAZTRANSPORT & TECHNIGAZ
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