Heating device, heating system, heat storage device and heat storage system
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Solution Overview
Problem
Existing heat storage devices for gas streams have inefficiencies in heating and heat transfer, leading to suboptimal performance in storing and releasing thermal energy.
Innovation Solution
A heating device comprising multiple heating plate strips connected via a conductive spacer structure, forming a bundle with a large surface area for heat transfer, and a heat storage system with a heating assembly that includes a mounting element and a thermally insulated heating channel to manage gas flow and temperature effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a conventional heating device is used to heat the gas stream, then the gas stream can be heated, but the heat performance is insufficient and the efficiency does not fulfill highest requirements
Solution Approach 1:
The heating device is segmented into multiple heating plate strips arranged in series, each strip contributing to the overall heating function. This segmentation allows for increased total heating surface area while maintaining manageable individual component sizes, thereby improving heat performance and efficiency
Solution Approach 2:
The heating plates are arranged in a multi-dimensional configuration with multiple strips stacked or positioned in series, transforming a single-plane heating surface into a multi-plane three-dimensional structure. This increases the total heat transfer surface area exposed to the gas stream, enhancing heat performance
2Power
If the heating surface area is increased to improve heat transfer, then the heat performance increases, but the flow resistance increases and flow speeds decrease
Solution Approach 1:
The heating surface is segmented into multiple separate heating plate strips rather than one large continuous surface. This segmentation creates multiple parallel flow paths for the gas stream, allowing heat transfer area to increase while flow resistance is distributed across multiple channels, maintaining flow speeds
Solution Approach 2:
The heating plates are arranged in a three-dimensional configuration where multiple strips are positioned in series or parallel, creating a multi-layer structure. This spatial arrangement increases total heat transfer surface area while the gaps between strips provide flow channels that prevent excessive flow resistance
3Power
If the heating surface area is increased to improve heat transfer, then the heat performance increases, but the material temperatures become excessively high
Solution Approach 1:
The heating function is distributed across multiple heating plate strips rather than concentrated in a single element. This distribution of heating duty across multiple surfaces allows the same total heat output with lower temperature differential across each individual plate, reducing peak material temperatures
Solution Approach 2:
The heating surface is extended into three-dimensional space with multiple strips arranged in series or parallel configurations. This multi-dimensional arrangement increases total heat transfer area, allowing the heating task to be accomplished with lower temperature gradients, thus reducing material temperatures
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 solution achieves high heat performance with low material temperatures and efficient thermal energy storage and release, enabling effective use in heat storage systems for power plants and industrial processes.
Implementation Method 1
The heating plate strips of the heating plate bundle provide a large surface for transferring heat between the heating device and the gas stream
Implementation Method 2
The heating device comprises two electric connection elements for being connected to a power source and at least one heating plate unit having an inlet side and an outlet side, which comprises a plurality of heating plate strips
Data Source
AI summary
A heating device for heating a gas stream is proposed, the heating device comprising two electric connection elements (43, 44) for being connected to a power source and at least one heating plate unit (39A, 39B, 39C, 39D, 39E) having an inlet side and an outlet side, which comprises a plurality of heating plate strips (45, 46) which are in the gas stream and each have a first end area and a second end area, adjacent heating plate strips (45, 46) being connected to each other in the first end areas and the second end areas each via a conductive spacer structure (47).