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Flexible installation of a hydrocarbon liquefaction unit

a hydrocarbon liquefaction and installation technology, which is applied in the direction of refrigeration and liquifaction, lighting and heating equipment, solidification, etc., can solve the problems of large societal risk, large available land, and high environmental restrictions, so as to reduce mechanical effects, reduce ground footprint, and limit thermal losses

Pending Publication Date: 2021-10-07
LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a method for liquefying natural gas using a combination of compression and expansion principles. The method allows for the efficient production of cold and the use of a smaller installation footprint. The patent also describes an alignment system for the different modules used in the liquefaction process. Overall, the patent simplifies the process of designing and installing a natural gas liquefaction plant.

Problems solved by technology

The available land is generally small and must meet strict environmental restrictions.
However, their hazardousness results in factory configurations that are very spread out with a very high societal risk.

Method used

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  • Flexible installation of a hydrocarbon liquefaction unit

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Embodiment Construction

[0056]FIG. 1 shows a representation of a schematic diagram of a liquefaction unit according to one embodiment of the invention.

[0057]In FIG. 1, the hydrocarbon fluid liquefaction unit 1 comprises:[0058]at least one cryogenic cold box 2 comprising:[0059]at least one heat exchanger;[0060]a fixed assembly zone 8 on its outer wall;[0061]a device 3 for the various equipment required for implementing the cold fluid required for the liquefaction of a natural gas stream from a hydrocarbon supply stream;[0062]an interconnection module 4 comprising a pipe holder means and a set of pipes, control valves, and electricity connection and instrumentation 5, 6, 7, designed to connect said at least one cold box 2 to the at least one equipment device 3 for the cycle for refrigerating and / or separating C6+ type hydrocarbon elements contained in the natural gas.

[0063]The interconnection module 4 rests on a frame that allows it to be handled and is connected to the cold box in the vicinity of said assem...

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Abstract

Natural gas liquefaction unit including at least one cryogenic cold box having at least one heat exchanger; a fixed assembly zone on its outer wall; at least one closed loop nitrogen refrigeration cycle; at least one device for equipment required for implementing the liquefaction of a natural gas stream from a hydrocarbon supply stream; at least one interconnection module comprising a pipe holder means and a set of pipes and valves, designed to connect said at least one cold box to at least one equipment device for the cycle for refrigerating and / or separating C6+ type hydrocarbon elements contained in the natural gas, wherein the interconnection module rests on a frame allowing it to be handled and is connected to the cold box and to the other method or equipment sub-assemblies located around said fixed assembly zone.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of priority under 35 U.S.C. § 119 (a) and (b) to French Patent Application No. 2003456, filed Apr. 7, 2020, the entire contents of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]The technical field of the invention is that of the liquefaction of natural gas using a nitrogen refrigeration cycle.[0003]The present invention relates to an installation of a natural gas liquefaction unit using a nitrogen refrigeration cycle and its unit.BACKGROUND OF THE INVENTION[0004]Natural gas liquefaction methods need to be used in order to reduce the environmental impact. Market developments promote the use of liquefiers close to public areas in order to ensure more efficient management of deliveries. The available land is generally small and must meet strict environmental restrictions.[0005]Commonly, this type of unit uses mixed coolants that are mixtures of gas with high yields for the liquefac...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F25J1/02F25J1/00F25J3/02
CPCF25J1/0238F25J1/0022F25J3/0247F25J1/0222F25J2240/40F25J2230/24F25J2230/32F25J2230/60F25J1/0259F25J1/0072F25J1/005F25J1/0204F25J1/0288F25J2270/16
Inventor FARGES, ORIANEPLAMONDON, YOLANDSZAMLEWSKI, CHRISTOPHE
Owner LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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