Horizontal Heat Exchange Chamber Cooling Device
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Solution Overview
Problem
Existing heat exchange systems for energy storage face challenges in thermal stress on the ground and energy losses due to high temperature requirements and inefficient recycling of low-temperature heat in closed loops.
Innovation Solution
A high-temperature heat exchange system with a horizontal heat exchange chamber and a cooling device between the chamber and the soil, utilizing a heat transfer fluid and heat storage materials like sand or stones, with a cooling system comprising a piping network and cooling fluid to manage thermal stress and prevent ground heating, allowing for controlled heat exchange and energy storage at high temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the heat exchange chamber is placed directly on the soil for energy storage, then the system structure is simple and cost-effective, but the soil is heated up excessively causing thermal stress and legal compliance issues
Solution Approach 1:
A cooling device is introduced as an intermediary component between the heat exchange chamber and the soil. This cooling device includes a cooling fluid circulation system that actively manages heat transfer, preventing excessive soil heating while maintaining the beneficial direct-contact structure for heat storage operations.
2Object-affected harmful factors
If the storage is cooled down completely after every cycle to prevent soil heating, then soil thermal stress is reduced, but energy losses increase since low temperature heat cannot be recycled
Solution Approach 1:
The cooling device implements a feedback-controlled heat management system that continuously monitors temperature conditions and adjusts cooling fluid circulation accordingly. This allows the system to maintain acceptable soil temperatures while capturing and recycling heat energy that would otherwise be wasted, enabling partial rather than complete cooling cycles.
Solution Approach 2:
The system changes the operational parameters of heat management by transitioning from binary (fully cooled/not cooled) to continuous temperature control. The cooling device enables precise adjustment of cooling intensity and duration, allowing the system to operate in an optimized temperature range that prevents soil damage while maximizing heat recycling efficiency.
3Quantity of substance
If high temperature levels are used for steam cycle heat storage, then energy density increases, but temperature resistant materials and thermal insulation requirements increase system complexity
Solution Approach 1:
The cooling device serves as a thermal mediator that decouples the high-temperature heat storage operations from the soil environment. This allows the heat exchange chamber to operate at high temperatures for optimal energy density while the cooling system manages the thermal interface, reducing the burden on insulation and material selection.
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 system reduces thermal stress on the ground, minimizes energy losses by recycling heat, and enables efficient storage and retrieval of thermal energy for electricity generation, while adhering to environmental regulations by controlling soil temperature and preventing groundwater heating.
Implementation Method 1
At least one cooling device is arranged between the heat exchange chamber and the soil for inhibiting a heat transfer from the heat exchange chamber to the soil
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
AI summary
A heat exchange system with at least one horizontal heat exchange chamber with heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber is provided. The heat exchange chamber boundaries include 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. The heat exchange chamber is located at a soil area of a soil.