Molten Salt Reactor Fuel Wedge Alignment and Sealing
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Solution Overview
Problem
Current electricity generation methods face challenges such as pollution, resource depletion, and environmental concerns, including potential meltdowns and nuclear waste, and are limited by geographical conditions and intermittent energy production.
Innovation Solution
A molten salt reactor system with a graphite reactor core and fuel wedges that allow fissionable fuel to flow through channels, enabling efficient energy production while allowing for easy replacement of components and regulation of fuel flow to optimize energy output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional fossil fuel burning methods are used to generate electricity, then energy production is achieved, but pollution and carbon dioxide emissions increase significantly
Solution Approach 1:
The invention changes the fundamental parameter of the energy generation process by using nuclear fission instead of chemical combustion. The molten salt reactor uses uranium-235 fission to heat molten salt, which then drives a turbine to generate electricity, completely avoiding the combustion process that produces pollution and CO2 emissions while maintaining high energy production efficiency
Solution Approach 2:
The invention converts the harmful effect of nuclear energy (potential meltdown risk) into a benefit through passive safety design. The molten salt reactor uses natural convection of molten salt to cool the core and generates electricity during normal operation, but automatically shuts down and drains the fuel to a safe storage cask if temperature rises, turning the thermal energy that could cause meltdown into a self-regulating safety mechanism
2Productivity
If nuclear power plants are used to generate electricity, then energy production is achieved, but environmental damage from meltdowns, uranium mining, and nuclear waste occurs
Solution Approach 1:
The invention converts the harmful effect of nuclear energy (potential meltdown risk) into a benefit through passive safety design. The molten salt reactor uses natural convection of molten salt to cool the core and generates electricity during normal operation, but automatically shuts down and drains the fuel to a safe storage cask if temperature rises, turning the thermal energy that could cause meltdown into a self-regulating safety mechanism
Solution Approach 2:
The invention adopts a disposable fuel element design where the fuel is contained in sealed aluminum cladding tubes that are replaced as complete units. The fuel elements have a designed service life and are then disposed of as low-level waste, eliminating the need for complex long-term storage of highly radioactive materials and reducing the burden of nuclear waste management
3Object-generated harmful factors
If solar-power and wind-power systems are used to generate electricity, then clean energy production is achieved, but electricity generation is limited to when sunlight and wind are available
Solution Approach 1:
The invention achieves continuous operation by using nuclear fission as the heat source, which can operate continuously unlike solar and wind systems that depend on weather conditions. The molten salt reactor maintains a steady chain reaction that continuously heats the molten salt, driving the turbine to generate electricity 24/7 without interruption by environmental factors
Solution Approach 2:
The invention changes the fundamental parameter of the energy generation process by using nuclear fission instead of chemical combustion. The molten salt reactor uses uranium-235 fission to heat molten salt, which then drives a turbine to generate electricity, completely avoiding the combustion process that produces pollution and CO2 emissions while maintaining high energy production efficiency
4Object-generated harmful factors
If geothermal and hydroelectric power systems are used to generate electricity, then clean energy production is achieved, but system placement is limited to specific geographical locations
Solution Approach 1:
The invention achieves universality by using nuclear fission as the heat source, which can be deployed in any location where the reactor can be sited, unlike geothermal and hydroelectric systems that require specific geological or geographical conditions. The molten salt reactor design with passive safety features and modular construction allows it to be built in a wider range of locations, including areas without access to water bodies or specific geological formations
Data Source
AI summary
Systems and methods for providing and using molten salt reactors are described. While the systems can include any suitable component, in some cases, they include a graphite reactor core defining an internal space that houses one or more fuel wedges, where each wedge defines one or more fuel channels that extend from a first end to a second end of the wedge. In some cases, one or more of the fuel wedges comprise multiple wedge sections that are coupled together end to end and/or in any other suitable manner. In some cases, one or more alignment pins also extend between two sections of a fuel wedge to align the sections. In some cases, one or more seals are also disposed between two sections of a fuel wedge. Thus, in some cases, the reactor core can be relatively long (e.g., to be a pipeline reactor). Other implementations are also described.