Conduit for guiding a medium

A medium and pipeline technology, applied in the field of pipeline layout, can solve problems such as energy consumption

Inactive Publication Date: 2010-02-03
LINDE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this is energy-intensive and ineffective for correspondingly long-distance pipelines

Method used

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  • Conduit for guiding a medium

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Embodiment Construction

[0017] The pipe arrangement comprises the actual medium pipe 1 in which the medium flow is conducted, a cooling medium return line 2 surrounding the medium line 1 and a cooling medium supply line 3 .

[0018] Furthermore, it is also possible to provide a sleeve 4 surrounding the above-mentioned pipes 1 to 3 , which is preferably designed in a flexible manner. Preferably, the space between the bushing and the cooling medium return line is at least partially, preferably completely, filled with insulating material 5 . Preferably, the insulating material 5 is polyurethane foam, or provides vacuum insulation.

[0019] An undesired heat input from the environment to the line arrangement and the medium line 1 , respectively, is effectively attenuated by means of this heat insulating material.

[0020] The optional means provided in the casing 4 for fixing and / or stabilizing the medium line 1 , the coolant return line and / or the coolant supply line 3 are not shown in the figures.

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Abstract

The present invention relates to a conduit arrangement for guiding a medium, espectially compressed gaseous hydrogen. The conduit arrangement has a medium conduit (1), a cooling medium recirculation conduit (2) enclosing the medium pipeline, and a cooling medium feed conduit (3). The cooling medium recirculation conduit (2) and the cooling medium feed conduit (3) are arranged in direct thermal contact. The conduit arrangement is enclosed by a jacket tube (4).

Description

technical field [0001] The invention relates to a piping arrangement for conducting a medium, in particular compressed gaseous hydrogen. Background technique [0002] Typical piping arrangements for conducting media are used, for example, in hydrogen refueling stations. Hydrogen compressed to a pressure between 25 and 900 bar is conveyed in gaseous form from the compressor to the dispensing pump ( ) and petrol pumps ( ). The compressed hydrogen is typically cooled to a temperature of about -20°C. The distance or length of piping between the compressor / cooler and the charging pump is typically 1 to 70 meters. In conventional pipelines longer than 10 to 12 meters, the compressed hydrogen is undesirably heated to ambient temperature. [0003] The heating of the compressed hydrogen to ambient temperature cannot also be avoided by insulating these pipes, since hydrogen has a high thermal conductivity and immediately releases its coldness to the medium pipes and draws heat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/19F16L53/00
CPCY02E60/321F17D1/082Y02E60/34F17C1/12F17C7/00Y02P90/45
Inventor R·阿德勒M·施特尔莱茵
Owner LINDE AG
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