Heat Exchange Chamber Insulation for Thermal Loss Reduction
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Solution Overview
Problem
Current heat exchange systems for renewable energy storage suffer from significant thermal losses, which reduce their efficiency and effectiveness in managing fluctuating energy output from sources like wind and solar.
Innovation Solution
The integration of a thermal insulation layer, composed of materials such as ceramics, sinter, and mineral wool, within the heat exchange chamber to minimize heat loss, combined with a method of attaching this insulation using gluing, spraying, or foaming, and the use of a heat storage material like stones or phase change materials, facilitates efficient heat transfer and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If thermal insulation layer is added to heat exchange chamber, then thermal losses are reduced, but device complexity increases
Solution Approach 1:
The thermal insulation layer is nested within the heat exchange chamber, placing the insulating material inside the chamber boundaries rather than as a separate external component. This nested arrangement reduces thermal losses while avoiding the need for additional external insulation structures, thereby limiting the increase in device complexity.
Solution Approach 2:
The thermal insulation layer is implemented as a thin film or layer rather than a bulky insulation structure. This approach provides effective thermal insulation to reduce energy losses while maintaining a compact design that does not significantly increase the overall device complexity or volume.
2Productivity
If thermal insulation layer is integrated into heat exchange chamber interior, then round trip efficiency is enhanced, but manufacturing complexity increases
Solution Approach 1:
The thermal insulation layer is attached to the heat exchange chamber boundaries before the heat storage material is filled into the chamber. This preliminary action allows the insulation to be installed on the chamber structure itself, simplifying the overall manufacturing process by avoiding the need to handle and install insulation after the chamber is assembled and filled with storage material.
Solution Approach 2:
The thermal insulation layer is applied specifically to the heat exchange chamber boundaries where thermal losses occur, rather than insulating the entire system uniformly. This localized approach enhances round trip efficiency at the critical heat exchange interfaces while keeping manufacturing complexity manageable by focusing insulation efforts only where needed.
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
This solution significantly reduces thermal losses, enhancing the round trip efficiency of the heat exchange system and allowing for the effective storage and retrieval of thermal energy for electricity generation, particularly suitable for high-temperature applications.
Implementation Method 1
At least one thermal insulation layer (1182) is at least partly arranged in the heat exchange chamber interior (112) between the heat exchange chamber boundaries (111) and the heat storage material (121)
Implementation Method 2
a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid
Data Source
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AI summary
The invention refers to a heat exchange system with at least one heat exchange chamber. The heat exchange chamber comprises heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber. The heat exchange chamber boundaries comprise at least one first opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid. At least one thermal insulation layer is at least partly arranged in the heat exchange chamber interior between the heat exchange chamber boundaries and the heat storage material. In a preferred embodiment the thermal insulation layer comprises at least one thermal insulation material which is selected from the group consisting of ceramics, sinter, bricks, foamed clay, mineral wool, mineral foam, mineral fibers and foam glass.