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Regenerative thermal energy system, a power generating facility comprising such a system and a method of operating the same

A thermal energy and facility technology, applied in the field of regenerative thermal energy storage systems, can solve problems such as increasing the capital construction cost of the A-CAES system

Inactive Publication Date: 2015-04-08
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, strengthening the wall will increase the capital cost of the A-CAES system

Method used

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  • Regenerative thermal energy system, a power generating facility comprising such a system and a method of operating the same
  • Regenerative thermal energy system, a power generating facility comprising such a system and a method of operating the same
  • Regenerative thermal energy system, a power generating facility comprising such a system and a method of operating the same

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Embodiment Construction

[0015] In the following description and appended claims, reference will be made to various terms which are defined below.

[0016] The singular forms "a", "an" and "the" include plural forms unless the context clearly dictates otherwise.

[0017] "Optional" or "optionally" means that the subsequently described event or circumstance may or may not occur, and that the description includes instances where the event occurs and instances where it does not.

[0018] Approximate language used throughout this specification and in the claims may be used to modify any quantitative representation that can reasonably be varied without altering the essential function of the subject matter concerned. Accordingly, a value modified by one or more terms such as "about" and "substantially" is not to be limited to the precise value specified. In at least some cases, the approximate language may correspond to the precision of the instrument used to measure the value. Here and throughout the spe...

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Abstract

A regenerative thermal energy system includes a heat exchange reactor that includes a top entry portion, a lower entry portion, and a bottom discharge portion. The system also includes at least one fluid source coupled in flow communication with the at least one heat exchange reactor at the lower entry portion. The system also includes at least one cold particle storage source coupled in flow communication with the at least one heat exchange reactor at the top entry portion. The system further includes at least one thermal energy storage (TES) vessel coupled in flow communication with the heat exchange reactor at each of the bottom discharge portion and the top entry portion. The heat exchange reactor is configured to facilitate direct contact and counter-flow heat exchange between solid particles and a fluid.

Description

technical field [0001] The field of the invention relates generally to energy storage, and more specifically, to regenerative thermal energy storage (TES) systems associated with adiabatic compressed air energy storage (A-CAES) systems. Background technique [0002] At least some known A-CAES systems use inflatable seals (eg, pressure vessels or underground caverns) to store hot compressed air. Storage facilities using man-made pressure vessels require the walls of the containment to be strong enough to withstand the high pressure caused by the compressed air for extended periods of time. Furthermore, these known pressure vessels are exposed to high temperatures due to the compression of the air stored therein. Accordingly, some known pressure vessels are made from expensive metal alloys with thick walls to withstand temperatures of about 450 degrees Celsius (°C) (842 degrees Fahrenheit (°F)). Other known seals include thick concrete walls with complex structures to promot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K3/00F01K27/00F02C6/16F02C7/10F28C3/14
CPCF28C3/14F01K3/00F28D20/0056F28D19/02F01K27/00Y02E60/16Y02E60/14F01K3/02F02C6/16F02C7/10
Inventor M. A. 冈萨雷斯萨拉扎M. 比伯尔M. 芬肯拉思
Owner GENERAL ELECTRIC CO