Heat storage device, heat storage system and method for operating a heat storage device
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Solution Overview
Problem
Existing heat storage devices have a heat storage capacity that leaves room for improvement, with efficiency being a key area for enhancement.
Innovation Solution
A heat storage device comprising a storage container with a support matrix for heating elements, heat storing means, and a gas flow system that includes a heating element for heating and storing gas, and a method for introducing and withdrawing heat using a gas flow through openings, with features such as flow homogenizers and honeycomb structures to enhance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a heating element is added to the storage container, then heat storage capacity and efficiency are improved, but device complexity increases
Solution Approach 1:
The heating element is integrated directly into the storage container, merging the heating function with the storage structure. This combination allows the heating element to be supported by the container walls or integrated mounting structures, eliminating the need for separate external heating devices and complex mounting mechanisms, thereby improving heat storage capacity while minimizing additional complexity
Solution Approach 2:
The storage container serves multiple functions: it stores thermal energy, provides structural support for the heating element, and acts as a reaction mass for thermal management. This multi-functionality improves overall system efficiency by using the same structure for multiple purposes, adding heating capability without proportionally increasing device complexity
2Stability of the object's composition
If multiple heating elements are positioned at defined distances, then heat distribution uniformity is improved, but device complexity increases
Solution Approach 1:
The heating system is divided into multiple discrete heating elements positioned at specific intervals within the storage container. This segmentation allows each heating element to independently contribute to heat distribution, creating more uniform thermal fields throughout the storage medium while maintaining a modular structure that limits overall complexity
Solution Approach 2:
Heating elements are positioned at specifically defined distances from each other and from the storage medium based on thermal analysis. This local optimization ensures that heat is distributed uniformly across different regions of the storage container, with each heating element's position carefully selected to achieve optimal thermal coverage without requiring excessive numbers of elements
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 efficiently stores and releases thermal energy, stabilizing electrical grids by utilizing excess electrical energy from fluctuating sources, and minimizing electrical energy consumption and thermal inertia.
Implementation Method 1
a heating element (7) for heating the gas
Implementation Method 2
storing means (11), which are disposed downstream of the heating element (7), for storing heat of the heated gas
Data Source
AI summary
A heat storage device, a heat storage system comprising at least one heat storage device, and a method for operating a heat storage device.


