Hydrogen Supply Switching for Syngas Ratio Control in Biomass Fuel Production
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Solution Overview
Problem
Existing fuel production systems face inefficiencies in adjusting the H2/CO ratio of synthesis gas, leading to hydrogen deficiency and increased byproduct generation, which affects the overall production efficiency and carbon dioxide emissions.
Innovation Solution
A fuel production system that includes a controller to switch hydrogen supply locations between the raw material supply area and synthesis gas discharge area based on byproduct detection, using an electrolyzer to generate hydrogen from renewable energy, and adjust the H2/CO ratio to optimize synthesis gas composition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If hydrogen is supplied to the gasification furnace to adjust the H2/CO ratio, then the hydrogen deficiency is improved, but the proportion of hydrogen consumed in byproduct generation increases
Solution Approach 1:
The patent divides the gasification system into multiple hydrogen supply locations: the gasification furnace and the synthesis gas discharge area. This segmentation allows selective hydrogen supply to different zones, enabling optimization of the H2/CO ratio while minimizing hydrogen consumption in byproduct generation by supplying hydrogen where it is most needed.
Solution Approach 2:
The patent applies local quality by providing hydrogen supply at specific locations (gasification furnace and synthesis gas discharge area) rather than uniformly throughout the system. This localized approach ensures that hydrogen is supplied where it can most effectively adjust the H2/CO ratio without being wasted in byproduct generation zones.
2Productivity
If hydrogen supply location is fixed, then the system structure is simple, but the production efficiency of different fuels cannot be optimized
Solution Approach 1:
The patent implements a dynamic hydrogen supply control system that can switch between different supply locations (gasification furnace and synthesis gas discharge area) based on operating conditions and target fuel requirements. This dynamic capability enables optimization of fuel production efficiency without requiring complex reconfiguration, as the system adapts hydrogen supply to match production demands.
Solution Approach 2:
The hydrogen supply device is designed with multi-functionality, capable of supplying hydrogen to multiple locations (gasification furnace and synthesis gas discharge area) and adjusting the H2/CO ratio for different target fuels. This universal design allows a single device to perform multiple functions, optimizing fuel production efficiency without significantly increasing system complexity.
3Quantity of substance
If hydrogen is supplied to adjust synthesis gas composition, then the H2/CO ratio is improved, but the generated amount of carbon dioxide increases
Solution Approach 1:
The patent employs feedback control mechanisms to monitor and adjust hydrogen supply based on the actual H2/CO ratio and operating conditions. This feedback approach prevents excessive hydrogen supply that would lead to increased carbon dioxide generation, while ensuring sufficient hydrogen is supplied to achieve the target H2/CO ratio for efficient fuel production.
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 system efficiently adjusts synthesis gas composition, reducing carbon dioxide emissions and improving energy efficiency by optimizing hydrogen supply to enhance fuel production efficiency.
Implementation Method 1
an electrolyzer (for example, the electrolyzer 60 described later) which generates hydrogen from water by way of electrical power generated using a renewable energy
Data Source
AI summary
A fuel production system and a fuel production method are provided which can efficiently perform adjusting of a synthesis gas composition by hydrogen supply, while suppressing the generated amount of carbon dioxide by a system overall. A fuel production system includes: a gasification furnace which gasifies a biomass raw material to generate a synthesis gas containing hydrogen and carbon monoxide; a liquid fuel production device which produces a liquid fuel from the synthesis gas generated by the gasification furnace; a hydrogen supply pump which supplies hydrogen to a raw material supply area or a synthesis gas discharge area; a byproduct sensor which detects a byproduct amount generated inside the gasification furnace; and a controller which switches a hydrogen supply location by the hydrogen supply pump between the raw material supply area and synthesis gas discharge area, based on the byproduct amount detected by the byproduct sensor.