Electrically Heated Reforming Reactor for Catalyst Bed Temperature Control
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Solution Overview
Problem
Existing reforming technologies for converting methane into fuels are inefficient and costly, and existing technologies for converting methane into fuels are inefficient and costly, and existing technologies for converting methane into fuels are inefficient and costly, and existing technologies for converting methane into fuels are inefficient and costly.
Innovation Solution
The use of a new electrically heated reactors and associated reforming processes that provide for the efficient conversion of methane into fuels are inefficient and costly, and existing technologies for converting methane into products are inefficient and costly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional combustion furnace is used for heating catalyst bed, then high temperature is achieved, but system complexity and infrastructure requirements increase
Solution Approach 1:
The patent replaces the mechanical combustion furnace system with an electrical heating system. Heating elements are directly inserted into the catalyst bed to provide heat electrically, eliminating the need for complex combustion infrastructure, burners, and furnace systems while achieving the required high temperatures for reforming reactions.
Solution Approach 2:
The invention extracts the heating function from the external combustion furnace and places heating elements directly within the catalyst bed. This separation allows the heating system to be independent of the reactor structure, enabling simpler, more compact designs with direct heat transfer to the catalyst.
2Power
If combustion furnace is used for heat input, then required heat is provided, but CO2 emissions are generated
Solution Approach 1:
The patent substitutes electrical heating for combustion-based heating, replacing chemical energy conversion with electrical energy conversion. This eliminates CO2 emissions from the heating process while maintaining the ability to provide high temperatures required for endothermic reforming reactions.
Solution Approach 2:
The invention changes the energy source parameter from chemical combustion to electrical heating. This parameter change eliminates carbon emissions while providing the necessary thermal energy, transforming the process from a carbon-intensive operation to a cleaner alternative.
3Temperature
If conventional furnace design is used, then high temperature processing is achieved, but compactness and transportability are reduced
Solution Approach 1:
The invention extracts the heating function from a large external furnace and integrates compact heating elements directly into the catalyst bed. This allows the reactor to be downsized while maintaining high temperature processing capability, as the heating system is now embedded rather than external.
Solution Approach 2:
The heating elements are nested directly within the catalyst bed structure, with heating coils or elements positioned inside or among the catalyst particles. This nested arrangement maximizes heat transfer efficiency while minimizing the overall reactor volume required for high-temperature processing.
Data Source
AI summary
Electrically heated reforming reactors and associated reforming processes are disclosed, which benefit from a number of advantages in terms of attaining and controlling the input of heat to catalytic conversion processes such as in the reforming of hydrocarbons (e.g., methane) using H2O and/or CO2 as an oxidant. The disclosed reactors provide the ability to target the input of heat to specific regions within a catalyst bed volume. This allows for the control of the temperature profile in one or more dimensions (e.g., axially and/or radially) and/or otherwise tailoring heat input for processing specific reformer feeds, achieving specific reformer products, effectively utilizing the catalyst, and/or compensating for a number of operating parameters (e.g., flow distribution). Dynamic control of the heat input may be used in response to changes in feed or product composition and/or catalyst activity.