FR3129714A1 - Thermocline thermal storage system - Google Patents
Thermocline thermal storage system Download PDFInfo
- Publication number
- FR3129714A1 FR3129714A1 FR2112670A FR2112670A FR3129714A1 FR 3129714 A1 FR3129714 A1 FR 3129714A1 FR 2112670 A FR2112670 A FR 2112670A FR 2112670 A FR2112670 A FR 2112670A FR 3129714 A1 FR3129714 A1 FR 3129714A1
- Authority
- FR
- France
- Prior art keywords
- storage
- heat transfer
- transfer fluid
- storage volume
- thermal energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000013529 heat transfer fluid Substances 0.000 claims abstract description 26
- 230000008901 benefit Effects 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims description 15
- 239000012782 phase change material Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000002826 coolant Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/026—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat with different heat storage materials not coming into direct contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0078—Heat exchanger arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0082—Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
Système de stockage thermique par thermocline L’invention concerne un système de stockage thermique comprenant - un premier ensemble de stockage (10) comprenant : un premier volume de stockage (11), chaud, apte à recevoir un premier fluide caloporteur, un premier échangeur thermique (12) configuré pour échanger de l'énergie thermique issue d'une source chaude (2) au profit d'un premier fluide caloporteur, un premier circuit fluidique (13), configuré pour assurer la connexion fluidique entre le premier échangeur (12) et le premier volume de stockage (11) et apte à recevoir le premier fluide caloporteur, - un deuxième ensemble de stockage (20) comprenant :un deuxième volume de stockage ((11), froid, apte à recevoir un deuxième fluide caloporteur, un deuxième échangeur thermique (21), configuré pour échanger de l'énergie thermique du deuxième fluide caloporteur, - un deuxième circuit fluidique (23) distinct du premier circuit fluidique (13), configuré pour assurer la connexion fluidique entre le deuxième échangeur (22) et le deuxième volume de stockage (21) et apte à recevoir le deuxième fluide caloporteur, - le système comprend un troisième échangeur thermique (1) agencé entre le premier volume de stockage (11) et le deuxième volume de stockage (21). Figure pour l’abrégé : Fig.1 Thermocline thermal storage system The invention relates to a thermal storage system comprising - a first storage assembly (10) comprising: a first storage volume (11), hot, capable of receiving a first heat transfer fluid, a first heat exchanger (12) configured to exchange thermal energy from a source hot (2) for the benefit of a first heat transfer fluid, a first fluid circuit (13), configured to ensure the fluid connection between the first exchanger (12) and the first storage volume (11) and capable of receiving the first fluid heat carrier, - a second storage assembly (20) comprising: a second storage volume ((11), cold, capable of receiving a second heat transfer fluid, a second heat exchanger (21), configured to exchange thermal energy from the second fluid heat transfer fluid, - a second fluidic circuit (23) distinct from the first fluidic circuit (13), configured to ensure the fluidic connection between the second exchanger (22) and the second storage volume (21) and capable of receiving the second heat transfer fluid, - the system comprises a third heat exchanger (1) arranged between the first storage volume (11) and the second storage volume (21). Figure for abstract: Fig.1
Description
La présente invention concerne les Systèmes de Stockage Thermique (SST), et plus particulièrement, thermoclines pouvant utiliser des Matériaux à Changement de Phase (MCP). L'invention trouvera son application pour le stockage et le transfert d'énergie notamment renouvelable issue par exemple de centrales solaires thermodynamiques, par exemple, une centrale solaire combinée à un cycle organique de Rankine (OCR) ou à de la vapeur pour produire de l’électricité. L'invention pourra s'appliquer dans des réseaux de chaleur et de froid notamment pour des systèmes de transfert d’énergie passif, c'est à dire sans circulation mécanique de fluide.The present invention relates to Thermal Storage Systems (TSS), and more particularly, thermoclines that can use Phase Change Materials (PCM). The invention will find its application for the storage and transfer of energy, in particular renewable energy resulting for example from thermodynamic solar power plants, for example, a solar power plant combined with an organic Rankine cycle (OCR) or with steam to produce 'electricity. The invention can be applied in heating and cooling networks, in particular for passive energy transfer systems, that is to say without mechanical circulation of fluid.
ETAT DE LA TECHNIQUESTATE OF THE ART
La recherche d'énergie alternative aux énergies fossiles a conduit à des déploiements à grande échelle d'énergie renouvelable (principalement éolienne et solaire photovoltaïque).The search for alternative energy to fossil fuels has led to large-scale deployments of renewable energy (mainly wind and solar photovoltaic).
Les systèmes de stockage constituent une solution prometteuse, adaptable à une grande variété de situations en permettant le découplage entre production et demande.Storage systems are a promising solution, adaptable to a wide variety of situations by allowing the decoupling between production and demand.
Une part importante de l’énergie consommée mondialement étant thermique, le stockage de cette forme d’énergie bénéficie d’un intérêt grandissant de la part des chercheurs et des industriels.Since a large part of the energy consumed worldwide is thermal, the storage of this form of energy is attracting growing interest from researchers and industrialists.
L'énergie solaire à concentration (CSP pour Concentration Solar Plant en anglais) intégrant un stockage d'énergie thermique (TES pour Thermal Energy Storage en anglais) peut fournir une production d'électricité continue et pilotable, indépendamment de l'intermittence de la source solaire.Concentrated solar power (CSP) integrating thermal energy storage (TES) can provide continuous and controllable electricity production, regardless of the source's intermittency. solar.
Une solution étudiée consiste en un stockage d'énergie thermique thermocline dual média. Ce stockage d'énergie dont un mode de réalisation particulier est décrit dans le document EP3417230 consiste en une seule cuve, remplie d’un mélange d’un fluide caloporteur et d’un solide. En charge, le fluide chaud est introduit par le haut du réservoir et cède son énergie au lit de solide dont la température s’élève. En décharge, le fluide froid est introduit par le bas du réservoir et se réchauffe par contact avec le solide. Dans ce document, la cuve comprend un moyen de régulation thermique à l'entrée et à la sortie de la cuve pour maintenir le gradient thermique dans la cuve.A studied solution consists of a dual media thermocline thermal energy storage. This energy storage, a particular embodiment of which is described in document EP3417230, consists of a single tank, filled with a mixture of a heat transfer fluid and a solid. Under load, the hot fluid is introduced from the top of the tank and transfers its energy to the solid bed, the temperature of which rises. In discharge, the cold fluid is introduced from the bottom of the tank and is heated by contact with the solid. In this document, the tank comprises a thermal regulation means at the inlet and at the outlet of the tank to maintain the thermal gradient in the tank.
Cependant, cette solution ne permet pas de régler parfaitement la problématique de l'intermittence de la source et donc des différences entre la production d'énergie et son utilisation.However, this solution does not make it possible to perfectly solve the problem of the intermittency of the source and therefore of the differences between the production of energy and its use.
La présente invention a pour but de proposer une solution qui permet d'optimiser le stockage et la restitution d'énergie thermique en fonction des besoins et des ressources disponibles.The aim of the present invention is to propose a solution which makes it possible to optimize the storage and the restitution of thermal energy according to the needs and the available resources.
Les autres objets, caractéristiques et avantages de la présente invention apparaîtront à l'examen de la description suivante et des dessins d'accompagnement. Il est entendu que d'autres avantages peuvent être incorporés.The other objects, features and advantages of the present invention will become apparent from a review of the following description and the accompanying drawings. It is understood that other benefits may be incorporated.
RESUMESUMMARY
Pour atteindre cet objectif, selon un mode de réalisation l'invention prévoit un système de stockage thermique comprenant
un premier ensemble de stockage d'énergie thermique comprenant :
– un premier volume de stockage, chaud, apte à recevoir un premier fluide caloporteur,
– un premier échangeur thermique, chaud, configuré pour échanger de l'énergie thermique issue d'une source chaude au profit d'un premier fluide caloporteur,
un deuxième ensemble de stockage d'énergie thermique comprenant :
- un deuxième volume de stockage, froid, apte à recevoir un deuxième fluide caloporteur,
- un deuxième échangeur thermique, froid, configuré pour échanger de l'énergie thermique du deuxième fluide caloporteur
caractérisé en ce que :
- le premier ensemble de stockage comprend un premier circuit fluidique, chaud, configuré pour assurer la connexion fluidique entre le premier échangeur et le premier volume de stockage et apte à recevoir le premier fluide caloporteur,
- le deuxième ensemble de stockage comprend un deuxième circuit fluidique, froid, configuré pour assurer la connexion fluidique entre le deuxième échangeur et le deuxième volume de stockage et apte à recevoir le deuxième fluide caloporteur,
le premier circuit fluidique et le deuxième circuit fluidique étant distincts, c'est à dire, non connectés fluidiquement, et
- le système comprend un troisième échangeur thermique agencé entre le premier volume de stockage et le deuxième volume de stockage qui sont distincts pour assurer l'échange thermique entre le premier et le deuxième volume de stockage.To achieve this objective, according to one embodiment the invention provides a thermal storage system comprising
a first thermal energy storage assembly comprising:
– a first storage volume, hot, suitable for receiving a first heat transfer fluid,
– a first heat exchanger, hot, configured to exchange thermal energy from a hot source for the benefit of a first heat transfer fluid,
a second thermal energy storage assembly comprising:
- a second storage volume, cold, suitable for receiving a second heat transfer fluid,
- a second heat exchanger, cold, configured to exchange thermal energy from the second heat transfer fluid
characterized in that:
- the first storage assembly comprises a first fluidic circuit, hot, configured to ensure the fluidic connection between the first exchanger and the first storage volume and capable of receiving the first heat transfer fluid,
- the second storage assembly comprises a second fluidic circuit, cold, configured to ensure the fluidic connection between the second exchanger and the second storage volume and capable of receiving the second heat transfer fluid,
the first fluidic circuit and the second fluidic circuit being distinct, that is to say, not fluidically connected, and
- the system comprises a third heat exchanger arranged between the first storage volume and the second storage volume which are separate to ensure the heat exchange between the first and the second storage volume.
Le système selon l'invention permet de transférer simultanément des puissances différentes par les deux échangeurs thermiques. En effet, la présence de deux circuits fluidiques distincts permet d'avoir des débits différents, des écarts de températures différents dans le premier volume de stockage et dans le deuxième volume de stockage.The system according to the invention makes it possible to simultaneously transfer different powers via the two heat exchangers. Indeed, the presence of two separate fluidic circuits makes it possible to have different flow rates, different temperature differences in the first storage volume and in the second storage volume.
Avantageusement, le système selon l'invention permet un stockage très hautes températures telles par exemple de l'ordre de 500 à 850°C, par exemple avec le plomb comme fluide caloporteur qui fonctionne avantageusement par convection naturelle limitant l'usage de pompe ou circulateur mécanique qui présenterai des fragilités dans un environnement de très hautes températures.Advantageously, the system according to the invention allows storage at very high temperatures such, for example, of the order of 500 to 850° C., for example with lead as the heat transfer fluid which advantageously operates by natural convection limiting the use of a pump or circulator mechanism which will present fragilities in an environment of very high temperatures.
BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF FIGURES
Les buts, objets, ainsi que les caractéristiques et avantages de l’invention ressortiront mieux de la description détaillée d’un mode de réalisation de cette dernière qui est illustré par les dessins d’accompagnement suivants dans lesquels :The aims, objects, as well as the characteristics and advantages of the invention will emerge better from the detailed description of an embodiment of the latter which is illustrated by the following accompanying drawings in which:
Les dessins sont donnés à titre d'exemples et ne sont pas limitatifs de l’invention. Ils constituent des représentations schématiques de principe destinées à faciliter la compréhension de l’invention et ne sont pas nécessairement à l'échelle des applications pratiques.The drawings are given by way of examples and do not limit the invention. They constitute schematic representations of principle intended to facilitate understanding of the invention and are not necessarily scaled to practical applications.
Claims (12)
- un premier ensemble de stockage (10) d'énergie thermique comprenant :
– un premier échangeur thermique (12) configuré pour échanger de l'énergie thermique issue d'une source chaude (2) au profit d'un premier fluide caloporteur,
- un deuxième ensemble de stockage (20) d'énergie thermique comprenant :
- un deuxième échangeur thermique (22) configuré pour échanger de l'énergie thermique du deuxième fluide caloporteur
caractérisé en ce que :
- le premier ensemble de stockage (10) comprend un premier circuit fluidique (13) configuré pour assurer la connexion fluidique entre le premier échangeur (12) et le premier volume de stockage (11) et apte à recevoir le premier fluide caloporteur,
- le deuxième ensemble de stockage (20) comprend un deuxième circuit fluidique (23) configuré pour assurer la connexion fluidique entre le deuxième échangeur (22) et le deuxième volume de stockage (21) et apte à recevoir le deuxième fluide caloporteur,
le premier circuit fluidique (13) et le deuxième circuit fluidique (23) étant distincts, et
- le système comprend un troisième échangeur thermique (1) agencé entre le premier volume de stockage (11) et le deuxième volume de stockage (21) qui sont distincts pour assurer l'échange thermique entre le premier (11) et le deuxième (21) volume de stockage.Thermal storage system including
- a first thermal energy storage assembly (10) comprising:
– a first heat exchanger (12) configured to exchange thermal energy from a hot source (2) for the benefit of a first heat transfer fluid,
- a second thermal energy storage assembly (20) comprising:
- a second heat exchanger (22) configured to exchange thermal energy from the second heat transfer fluid
characterized in that:
- the first storage assembly (10) comprises a first fluidic circuit (13) configured to ensure the fluidic connection between the first exchanger (12) and the first storage volume (11) and capable of receiving the first heat transfer fluid,
- the second storage assembly (20) comprises a second fluidic circuit (23) configured to ensure the fluidic connection between the second exchanger (22) and the second storage volume (21) and capable of receiving the second heat transfer fluid,
the first fluidic circuit (13) and the second fluidic circuit (23) being separate, and
- the system comprises a third heat exchanger (1) arranged between the first storage volume (11) and the second storage volume (21) which are separate to ensure the heat exchange between the first (11) and the second (21 ) storage volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2112670A FR3129714B1 (en) | 2021-11-29 | 2021-11-29 | Thermocline thermal storage system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2112670A FR3129714B1 (en) | 2021-11-29 | 2021-11-29 | Thermocline thermal storage system |
| FR2112670 | 2021-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3129714A1 true FR3129714A1 (en) | 2023-06-02 |
| FR3129714B1 FR3129714B1 (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR2112670A Active FR3129714B1 (en) | 2021-11-29 | 2021-11-29 | Thermocline thermal storage system |
Country Status (1)
| Country | Link |
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| FR (1) | FR3129714B1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219076A (en) * | 1978-03-02 | 1980-08-26 | Robinson Glen P Jr | Heat transfer system |
| EP1906101A1 (en) * | 2006-09-13 | 2008-04-02 | Franz Josef Eller | Storage assembly and reuse method for thermal energy |
| KR20080046334A (en) * | 2006-11-22 | 2008-05-27 | 이상훈 | Air-conditioning apparatus |
| DE102010006882A1 (en) * | 2010-01-29 | 2011-08-04 | Selent, Stefan, 12557 | Excess heat accumulator for storing excess heat resulting during operation of e.g. block-type thermal power station, has cavity filled with liquid storage medium, where excess heat is introduced into cavity by heat exchanger |
| EP2592358A1 (en) * | 2011-11-10 | 2013-05-15 | CYTHELIA Expertise et Conseil, société de conseils et d'études en énergie solaire | Facility for temperature control and hot-water production and method for implementing such a facility |
| FR3054878A1 (en) * | 2016-08-05 | 2018-02-09 | Jean-Luc Bertrand | THERMAL ENERGY STORAGE DEVICE |
| EP3417230A1 (en) | 2016-02-19 | 2018-12-26 | IFP Energies nouvelles | System and method for storing and releasing heat comprising a bed of particles and thermal regulation means |
| US20190011197A1 (en) * | 2015-08-20 | 2019-01-10 | Hutchinson | Block and unit for storing thermal energy |
-
2021
- 2021-11-29 FR FR2112670A patent/FR3129714B1/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219076A (en) * | 1978-03-02 | 1980-08-26 | Robinson Glen P Jr | Heat transfer system |
| EP1906101A1 (en) * | 2006-09-13 | 2008-04-02 | Franz Josef Eller | Storage assembly and reuse method for thermal energy |
| KR20080046334A (en) * | 2006-11-22 | 2008-05-27 | 이상훈 | Air-conditioning apparatus |
| DE102010006882A1 (en) * | 2010-01-29 | 2011-08-04 | Selent, Stefan, 12557 | Excess heat accumulator for storing excess heat resulting during operation of e.g. block-type thermal power station, has cavity filled with liquid storage medium, where excess heat is introduced into cavity by heat exchanger |
| EP2592358A1 (en) * | 2011-11-10 | 2013-05-15 | CYTHELIA Expertise et Conseil, société de conseils et d'études en énergie solaire | Facility for temperature control and hot-water production and method for implementing such a facility |
| US20190011197A1 (en) * | 2015-08-20 | 2019-01-10 | Hutchinson | Block and unit for storing thermal energy |
| EP3417230A1 (en) | 2016-02-19 | 2018-12-26 | IFP Energies nouvelles | System and method for storing and releasing heat comprising a bed of particles and thermal regulation means |
| FR3054878A1 (en) * | 2016-08-05 | 2018-02-09 | Jean-Luc Bertrand | THERMAL ENERGY STORAGE DEVICE |
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| Publication number | Publication date |
|---|---|
| FR3129714B1 (en) | 2023-12-08 |
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