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System and method for heat storage and release, with a collar

A heat storage and release system technology, applied in the field of AACAES system, can solve the problems of the overall efficiency loss of the storage device, the overall performance loss of the system, etc.

Inactive Publication Date: 2020-07-24
INST FR DU PETROLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This temperature distribution inhomogeneity in the fixed bed results in a loss of overall efficiency of the storage device and a loss of overall performance of the system

Method used

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  • System and method for heat storage and release, with a collar
  • System and method for heat storage and release, with a collar
  • System and method for heat storage and release, with a collar

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Embodiment Construction

[0049] The present invention relates to a heat storage and release system. In this embodiment, a fluid (eg, compressed gas) flows through a fixed bed of heat storing and releasing particles, enabling heat exchange between the fluid and the particles. The particles are selected from materials capable of storing and releasing heat.

[0050] The system according to the invention comprises:

[0051] - at least one storage enclosure,

[0052] - at least one fluid flowing through the closed storage volume,

[0053] - At least one fixed bed of heat storing and releasing particles. These solid particles, hereinafter referred to as "storage particles", exchange heat with the fluid during heat storage and release phases, with heat stored in the particles between these two stages. According to the invention, the heat storage particles are distributed over at least one fixed bed. A fixed bed is understood to be an arrangement of heat storage particles, wherein the particles are fixed...

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PUM

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Abstract

The invention relates to a system and a method for heat storage and recovery, comprising at least one fixed bed (2) of storage particles. The fixed bed (2) of particles comprises an obstacle (4), forexample a collar, arranged on the periphery of the fixed bed (2) of storage particles, and substantially perpendicularly to the circulation flow (3) of said fluid. The invention also relates to a system and a method for energy storage and recovery using the heat storage and recovery system and method.

Description

technical field [0001] The invention relates to the field of energy storage by compressed gas, in particular air (CAES—Compressed Air Energy Storage). In particular, the present invention relates to an AACAES (Advanced Adiabatic Compressed Air Energy Storage) system in which storage of gas and storage of generated heat is provided. Background technique [0002] In compressed air energy storage (CAES) systems, energy desired for later use is stored as compressed air. For storage, energy, especially electrical energy, drives an air compressor, while for discharge (déstockage), compressed air drives a turbine, possibly connected to a generator. The efficiency of this solution is not optimal, since part of the energy of the compressed air appears as unused heat. In fact, in the CAES method, only the mechanical energy of the air is used, i.e. all the heat generated upon compression is removed. For example, compressed air at 8 MPa (80 bar, bar) is heated to about 150° C. during...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/00F02C6/16F28F9/22F28D17/00
CPCF02C6/16F28D17/005F28D20/0056F28D2020/0069F28F9/22Y02E60/14Y02E60/16F28D17/04
Inventor C·普拉斯P·巴尔兹S·彭塞特E·桑斯G·维奈
Owner INST FR DU PETROLE