Methods and apparatus for latent heat (phase change) thermal storage and associated heat transfer and exchange

A technology of phase change heat storage and heat transfer, applied in the direction of heat exchange materials, chemical instruments and methods, heat storage equipment, etc., can solve the problems of latent heat storage methods and devices that have not been successfully commercially applied

Active Publication Date: 2014-06-25
BLUELAGOON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Second, due to the corrosive nature of molten salt it requires specialized heat exchangers
The heat transfer between the storage medium, the HTS and the working medium has not been properly addressed, and as a result, latent heat storage methods and devices have not been successfully commercialized so far.

Method used

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  • Methods and apparatus for latent heat (phase change) thermal storage and associated heat transfer and exchange
  • Methods and apparatus for latent heat (phase change) thermal storage and associated heat transfer and exchange
  • Methods and apparatus for latent heat (phase change) thermal storage and associated heat transfer and exchange

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Embodiment Construction

[0050] In various embodiments, systems and methods are provided that operate using phase change materials for efficient heat storage, heat exchange, and heat conversion. In particular, certain innovations described herein relate to the application of phase change materials (PCMs) as thermal storage materials and / or heat transfer / exchange media. In addition, the invention provides a specific method of controlling such a system, in particular a computer implementation of such a method.

[0051] Aspects of various embodiments of the invention, such as those set forth in some of the following embodiments, may be combined with integrating an evaporation-concentration heat exchange structure with a phase change latent heat energy storage device, using a liquid-gas phase change material as a heat transfer / Exchange media are related to systems and methods for using solid-liquid phase change materials as thermal energy storage media.

[0052] In certain embodiments, methods of contro...

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PUM

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Abstract

In various embodiments, phase change and heat exchange methods between heat collection, heat transfer, heat exchange, heat storage, and heat utility systems are described. In certain embodiments, the heat transfer fluids / heat exchange fluids, heat storage media, and working media in the system are all phase change materials with transition temperatures close to each other and in decreasing order and perform their respective function through phase changes within a relatively narrow temperature range. Methods to control heat transfer rate, heat exchange and / or heat charging / discharging rate between heat collection, thermal energy storage and heat utility apparatus at will are provided. Methods of controlling such systems are also provided.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit and priority of USSN 61 / 446,335, filed February 24, 2011, USSN 61 / 533,626, filed September 12, 2011, and 61 / 570,520, filed December 24, 2011. The aforementioned applications are hereby incorporated by reference in their entirety. [0003] Statement of Government Sponsorship [0004] (Not applicable) Background technique [0005] Energy storage is of considerable importance in energy-consuming applications. These applications include conventional and renewable utility power generation, building heating and air conditioning, industrial process heating and more. Energy storage allows nuclear and coal plants to switch from generating electricity during low demand times to generating electricity during peak demand times. Energy storage to meet grid demand is even more important for wind and solar plants because the electrical output of these sources varies with time of day and weather c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K3/00F22D3/04F22B1/00F24H7/00
CPCF28D20/0056F01K3/00C09K5/04F28D2020/0047Y02E60/145C09K5/063F03G6/003F28D20/0034F03G6/065F28D20/025F28D20/021Y02E10/46Y02B10/20F28D20/023Y02E60/14F03G6/004
Inventor 项晓东张融
Owner BLUELAGOON TECH
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