Heating device, heating system, heat storage device and heat storage system
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Solution Overview
Problem
Existing heating devices for heating gas streams do not achieve the highest standards of efficiency, particularly in terms of heating output and material temperature management.
Innovation Solution
A heating device comprising two electrical connection elements and at least one heating plate unit with multiple heating plate strips, where adjacent strips are connected via a conductive spacer structure, allowing for high heating output with low material temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If heating plate strips are arranged in parallel with large total cross-section, then heating output is improved, but material temperature would increase
Solution Approach 1:
The heating device is segmented into multiple heating plate strips arranged in parallel, each strip being a separate conductive element. This segmentation allows the total heating surface area to be distributed across multiple strips, increasing the overall heating output while each individual strip operates at manageable temperature levels, preventing excessive material temperature in any single location.
Solution Approach 2:
The heating plate strips are arranged in a spatial configuration that utilizes multiple dimensions - they are positioned side by side in parallel, creating a multi-dimensional heat transfer surface. This dimensional arrangement increases the total effective heating area without concentrating thermal load in one location, thereby improving heating output while maintaining lower material temperatures through distributed thermal management.
2Power
If heating plate strips are arranged to provide large surface area, then heating output is improved, but flow resistance increases
Solution Approach 1:
The heating surface is segmented into multiple separate heating plate strips rather than using a single large solid block. This segmentation creates gaps and channels between the strips that allow gas flow to pass through, reducing flow resistance while maintaining a large total heating surface area for high heating output.
3Reliability
If heating plate strips are connected via conductive spacer structure, then electrical connection is improved, but device complexity increases
Solution Approach 1:
The spacer structure serves multiple functions simultaneously: it provides mechanical support to maintain the parallel arrangement of heating plate strips, provides electrical connection between adjacent strips through its conductive material, and maintains proper spacing for gas flow. This multi-functionality reduces device complexity by combining several required functions into a single integrated component rather than requiring separate elements for each function.
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 a high heating output with low material temperatures, reducing energy consumption and increasing efficiency while maintaining high flow velocities and low flow resistance.
Implementation Method 1
heating device for heating a gas stream... two electrical connection elements for connection to a power source and at least one heating plate unit... heating plate strips which lie in the gas stream
Implementation Method 2
adjacent heating plate strips in the first end regions and the second end regions are each connected to one another via a conductive spacer structure
Data Source
Figure 1
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AI summary
A heating device for heating a gas stream is proposed, comprising two electrical connection elements (43, 44) for connection to a power source and at least one heating plate unit (39A, 39B, 39C, 39D, 39E) with an inlet side and an outlet side, which includes a plurality of heating plate strips (45, 46) lying in the gas stream and each having a first end region and a second end region, wherein adjacent heating plate strips (45, 46) in the first end regions and the second end regions are connected to each other via a conductive spacer structure (47). The conductive spacer structure (47) includes lining plates (48) that are arranged between adjacent heating plate strips (45, 46) and connect them to each other.