Fuel Production System Optimizing Hydrogen Supply via Energy Feedback
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Solution Overview
Problem
Existing fuel production systems using renewable energy sources like solar or wind power face challenges in reducing energy loss and fuel production costs while minimizing carbon emissions.
Innovation Solution
A fuel production system that includes a water electrolyzer to generate hydrogen, a gasifier to produce synthesis gas from biomass, and a controller to optimize the supply of water-electrolyzed hydrogen based on energy calculations, ensuring efficient energy conversion and minimizing energy loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If water electrolysis is performed using renewable power to generate hydrogen for fuel production, then carbon emissions are reduced, but energy loss increases and fuel production costs increase
Solution Approach 1:
The controller continuously monitors the composition of synthesis gas and adjusts the hydrogen supply amount from the water electrolyzer accordingly. This feedback mechanism ensures that hydrogen is supplied only when needed to maintain optimal synthesis gas composition, avoiding unnecessary energy consumption from continuous electrolysis and reducing overall energy loss in the system.
Solution Approach 2:
The system dynamically adjusts the operational parameters including hydrogen supply rate, synthesis gas flow rate, and electrolysis intensity based on real-time composition analysis. This dynamic control allows the system to optimize energy utilization by matching hydrogen production with actual fuel synthesis requirements, thereby reducing energy loss while maintaining low carbon emissions.
2Object-generated harmful factors
If water electrolysis is performed using renewable power to generate hydrogen for fuel production, then carbon emissions are reduced, but fuel production costs increase
Solution Approach 1:
The controller uses real-time feedback from synthesis gas composition analysis to optimize hydrogen supply, ensuring that water electrolysis operates only when it contributes to efficient fuel production. This prevents wasteful energy consumption and reduces the overall cost of fuel production while maintaining low carbon emissions.
Solution Approach 2:
The system changes operational parameters such as hydrogen supply rate and electrolysis intensity based on synthesis gas composition requirements. By dynamically adjusting these parameters, the system optimizes the efficiency of fuel production, reducing unnecessary energy consumption and associated costs while maintaining environmental benefits.
3Productivity
If hydrogen is continuously supplied from water electrolysis to maintain optimal synthesis gas composition, then fuel production efficiency is improved, but energy consumption increases
Solution Approach 1:
The controller monitors synthesis gas composition in real-time and adjusts hydrogen supply from the water electrolyzer only when composition deviations are detected. This feedback-based control maintains optimal synthesis gas composition for efficient fuel production while avoiding continuous energy-consuming electrolysis, thus balancing productivity with energy consumption.
Solution Approach 2:
Instead of continuous hydrogen supply, the system employs periodic adjustments based on composition analysis. Hydrogen is supplied in controlled intervals when needed to correct composition deviations, maintaining fuel production efficiency while significantly reducing overall energy consumption compared to continuous electrolysis operation.
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 effectively reduces energy loss and fuel production costs while maintaining low carbon emissions by optimizing the supply of water-electrolyzed hydrogen, enhancing energy conversion efficiency and adjusting the synthesis gas composition for optimal fuel production.
Implementation Method 1
a water electrolyzer configured to electrolyze water to generate water-electrolyzed hydrogen
Data Source
AI summary
Fuel production system includes: synthesis gas generation unit configured to generate synthesis gas containing hydrogen and carbon monoxide from carbon-containing raw material; fuel production unit configured to produce fuel from synthesis gas generated; water electrolyzer configured to electrolyze water to generate water-electrolyzed hydrogen; hydrogen supply unit configured to supply water-electrolyzed hydrogen generated to synthesis gas generation unit; and controller. The controller is configured to perform: calculating input energy based on first energy possessed by raw material, second energy consumed by water electrolyzer, third energy consumed by synthesis gas generation unit, and fourth energy consumed by fuel production unit; calculating recovered energy based on fifth energy possessed by fuel produced; and determining supply amount of water-electrolyzed hydrogen to be supplied based on input energy and recovered energy calculated.