Heat Storage Device Rigid Layer Insulation

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Solution Overview

Problem

Current heat storage devices are not robust, limiting their transportability and flexibility in heat reuse, with low storage and release capacities and slow heat exchange rates.

Innovation Solution

A heat/cold storage device comprising a rigid container, a main storage assembly, a rigid storage layer for enhanced mechanical strength, and an insulating layer, along with a means for circulating fluids, allowing for increased storage capacity and faster heat transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If current heat storage devices are used, then heat storage function is provided, but they are not robust and cannot be transported

Engineering Contradiction:
ImprovetransportabilityVSAvoidrobustness
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The device is divided into modular components: a transportable container holding separate storage elements. This segmentation allows the device to be disassembled and transported easily while maintaining robustness through the structured arrangement of components upon assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The container acts as a protective shell that encloses the storage elements, providing mechanical protection and enabling transport. The container can be made from flexible or rigid materials depending on transport requirements, while the internal storage elements maintain structural integrity.

Inventive Principle:
Principle #30Flexible shells and thin films

2Quantity of substance

If current heat storage devices are used, then heat storage is provided, but they have low storage capacity

Engineering Contradiction:
Improvestorage capacityVSAvoidheat exchange speed
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The storage elements utilize porous thermal inertia materials that provide high surface area to volume ratio, enabling both high storage capacity and fast heat exchange. The porous structure increases the effective surface area for heat transfer while maintaining the thermal mass needed for storage.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The device employs composite construction combining different materials with complementary properties: thermal inertia materials for storage capacity, conductive materials for heat transfer, and insulating materials for efficiency. This composite approach optimizes both storage capacity and heat exchange speed simultaneously.

Inventive Principle:
Principle #40Composite materials

3Productivity

If current heat storage devices are used, then heat storage is provided, but they are slow during heat exchanges

Engineering Contradiction:
Improveheat exchange speedVSAvoidstorage capacity
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The storage elements are arranged to facilitate fluid flow through natural convection or forced convection mechanisms, creating dynamic heat exchange conditions that accelerate heat transfer. The geometric arrangement promotes turbulent flow patterns that enhance heat transfer coefficients.

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

Conductive materials are introduced as intermediaries between the thermal inertia storage elements and the fluid flow, enhancing heat transfer efficiency. These intermediary materials with high thermal conductivity bridge the gap between slow thermal diffusion and fast fluid convection.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The device is transportable, offers greater flexibility in heat reuse, and achieves faster and more efficient heat exchange, with improved storage capacity and mechanical strength.

Implementation Method 1

a rigid storage layer, placed between said container and said main storage assembly, and designed to store calories/colds provided by an external source

Methodology Applied
Scientific EffectThermal energy storage: Thermal Energy Storage

Implementation Method 2

an insulating layer disposed between said container and said rigid storage layer

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Implementation Method 3

A heat exchange then takes place between the material with thermal inertia, loaded with calories, and the cold fluid, which is then heated

Methodology Applied
Scientific EffectHeat exchange: Heat Exchanger

Data Source

PatentEP3350530B1Device and system for storing calories/frigories
Publication Date: 2019.08.28 ECO TECH CERAM
  • EP3350530B1 patent drawingFigure 1~3
  • EP3350530B1 patent drawingFigure 4
  • EP3350530B1 patent drawingFigure 5

AI summary

The invention relates to a device (100) for storing heat/cold, with a view to subsequently reusing said heat/cold by transfer to a fluid referred to as a target fluid, said device (100) including: a container (102); a storage assembly (104) that is referred to as the main storage assembly, is arranged in said container (102) and is provided for storing calories/frigories supplied by an external source; a rigid storage layer (106) that is provided for storing calories/frigories supplied by an external source and is arranged between said container (102) and said main storage assembly (104); an insulating layer (108) arranged between said container (102) and said rigid storage layer (106); and at least one means (100) for circulating a target fluid in said device (100). The invention also relates to a system implementing devices of this kind.