Hydrogen Reactor Piston for Byproduct Ejection and Leakage Prevention
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Solution Overview
Problem
Existing systems face challenges in extracting hydrogen on-demand from hydrogen carrier compounds while effectively removing solid byproducts without hydrogen leakage.
Innovation Solution
A device and method utilizing a reactor cylinder with a piston to compress and expel solid byproducts, incorporating a gas discharge circuit with high- and low-pressure connections to minimize hydrogen leakage, allowing for controlled hydrogen production and byproduct removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a reactor system is used to produce hydrogen from carrier compounds, then hydrogen production efficiency is improved, but solid byproduct removal becomes difficult without hydrogen leakage
Solution Approach 1:
The reactor system is divided into distinct functional zones: a reaction zone for hydrogen production, a compression zone with a piston for byproduct consolidation, and a discharge zone with separate outlets. This segmentation allows simultaneous hydrogen collection and byproduct removal through different pathways, preventing hydrogen leakage during byproduct ejection.
Solution Approach 2:
A piston is introduced as an intermediary mechanical element between the reaction zone and byproduct discharge path. The piston compresses solid byproducts into a compact form and directs them through a dedicated solid outlet, while hydrogen gas bypasses the piston through a separate gas outlet. This intermediary mechanism enables independent control of byproduct removal and hydrogen collection, eliminating the trade-off between productivity and reliability.
2Ease of manufacture
If solid byproducts are removed from the reactor, then system maintenance is improved, but hydrogen leakage risk increases
Solution Approach 1:
The discharge system is segmented into two independent outlets: a first outlet for hydrogen gas and a second outlet for solid byproducts. The piston creates a sealed compression chamber that directs byproducts to the second outlet while maintaining hydrogen pressure toward the first outlet. This segmentation allows maintenance personnel to access and remove solid byproducts through the second outlet without exposing the hydrogen-rich first outlet, enabling maintenance without hydrogen leakage risk.
Solution Approach 2:
The piston acts as a mechanical intermediary that physically separates the byproduct ejection path from the hydrogen discharge path. During byproduct removal, the piston maintains a seal that prevents hydrogen from following the byproduct ejection route, while still allowing solid byproducts to be expelled through the dedicated solid outlet. This intermediary mechanism decouples maintenance operations from hydrogen containment requirements.
3Productivity
If byproducts are compressed against the cylinder end, then byproduct ejection efficiency is improved, but device complexity increases
Solution Approach 1:
The piston is designed as a multi-functional component that simultaneously: (1) compresses solid byproducts against the cylinder end to improve ejection efficiency, (2) seals the reaction zone to prevent hydrogen leakage during compression, and (3) directs both compressed byproducts and remaining hydrogen toward their respective outlets. This universal design consolidates multiple functions into a single mechanism, reducing overall device complexity despite the added compression capability.
Solution Approach 2:
The piston merges the compression function with the discharge control function. Rather than adding a separate compression device and separate discharge mechanism, the piston integrates both roles into a single moving component. The piston's axial movement along the cylinder axis provides both the compressive force needed for efficient byproduct ejection and the flow control necessary for preventing hydrogen leakage, simplifying the overall system architecture.
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
Enables efficient, controlled production of hydrogen with negligible hydrogen leakage, facilitating the recycling of byproducts and maintaining system integrity.
Implementation Method 1
compressing the byproduct against an end of the cylinder by a movable piston
Implementation Method 2
a check-valve to a storage tank for the produced gas
Implementation Method 3
an operated valve to a storage tank for the produced gas
Data Source
AI summary
A device is provided for controlled production of a gas from first and second fluid reagents that, when mixed, produce the gas and a byproduct, the device comprising a reactor cylinder; inlets configured to supply the reactor cylinder with the first and second reagents; a gas discharge circuit connected to the reactor cylinder; a piston inside the reactor cylinder, actuated from a first end of the reactor cylinder to move axially inside the cylinder to compress any byproduct against the second end of the cylinder and to expel any gas through the gas discharge circuit, wherein the gas discharge circuit is connected to the cylinder near the second end of the cylinder; and a closure device at the second end of the cylinder, having a closed position sealing the second end of the cylinder, and an open position fully freeing the second end of the cylinder so that any byproduct in the cylinder can be shifted out by the piston.