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Pipeline system and method for emptying a pipeline system

A pipeline system and pipeline technology, applied in pipeline systems, solar heating systems, solar collectors using working fluids, etc., can solve problems such as excessive radiation loss in solar fields

Active Publication Date: 2014-06-11
BASF AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Continuous thermal operation of all components of the system will result in excess radiation losses from the solar field

Method used

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  • Pipeline system and method for emptying a pipeline system
  • Pipeline system and method for emptying a pipeline system
  • Pipeline system and method for emptying a pipeline system

Examples

Experimental program
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Embodiment Construction

[0044] figure 1 The solar field of a parabolic trough solar power plant with discharge container according to the prior art is shown.

[0045] The solar field 1 of the parabolic trough solar power plant has a plurality of solar loops 3 . The solar loops 3 are each formed with pipes 5 through which a heat transfer medium flows. According to the invention, molten salt, preferably solar salt, that is to say a mixture of potassium nitrate and sodium nitrate in a ratio of 40:60, or a eutectic mixture in a ratio of 44:56, or nitrite, is used as heat transfer medium.

[0046] In the solar loop 3 the heat transfer medium is heated by incident solar energy. For this purpose, the duct 5 is closed in sections by glass tubes. The space between the pipe 5 and the glass tube 7 is evacuated. Below the glass tube 7 there is also a parabolic trough in which incident sunlight is reflected and directed onto the glass tube 7 . Due to the radiation incident on the glass tube 7, heat is trans...

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PUM

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Abstract

The invention relates to a pipeline system for transporting a molten salt, comprising at least one pipeline (5) through which the molten salt flows, at least one inflow and at least one outflow, wherein the pipeline (5) through which the molten salt flows has at least one gradient that is inclined with respect to the horizontal and is respectively connected at the lowest positions by way of a drainage valve (25) to a drainage line (27) and at the highest positions to an aeration valve (23). The invention also relates to a method for emptying the pipeline system.

Description

technical field [0001] The present invention relates to a pipeline system for conveying molten salt / salt, comprising at least one pipeline through which the molten salt flows, at least one inlet and at least one outlet. The invention also relates to a method for emptying a pipeline system for conveying molten salt. Background technique [0002] Pipe systems for transporting molten salt are used, for example, in solar power plants / solar installations, in particular parabolic trough solar power plants or Fresnel power plants. The pipe system is usually constructed in the form of a network, which is used to collect solar energy in solar power plants. In this type of solar power plant, the sun's radiant energy is concentrated onto receivers by parabolic mirrors. The combination of parabolic mirror and receiver is called a collector. A row of collectors is connected in series to form a so-called solar loop. For this purpose, the receivers are respectively connected to the pip...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F17D3/10F24J2/07F24J2/24F24S10/70F24S20/20
CPCF24J2/07F03G6/067F03G6/06F24J2/245F17D3/10Y02E10/46F24J2/4634F24S20/20F24S40/60F24S10/742Y02E10/44
Inventor J·沃特曼M·鲁茨M·盖特纳K·希尔勒-阿恩特S·毛雷尔M·莱登伯格K·盖耶F·加尔利希斯
Owner BASF AG