Rotating Reactor Scraper for Continuous Hydrogen Production
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Solution Overview
Problem
Existing systems face challenges in continuously extracting hydrogen from hydrogen carrier compounds while effectively removing solid byproducts, which hinders efficient hydrogen production and recycling of byproducts.
Innovation Solution
A device with a vertically rotating reactor and tilting nozzles that spray intersecting cones of liquid reagents, combined with a scraper mechanism to separate and collect the byproduct, ensuring continuous hydrogen production and efficient byproduct removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If solid hydrogen carriers are used to enable continuous hydrogen extraction, then hydrogen production continuity is improved, but the complexity of removing solid byproducts increases
Solution Approach 1:
The reactor interior is segmented into functional zones: a reaction zone where hydrogen carrier and proton source mix, and a separate byproduct removal zone with scraper mechanisms. This segmentation allows continuous hydrogen production in the reaction zone while independently managing solid byproduct removal in the byproduct zone, resolving the contradiction between continuous production and byproduct removal complexity.
Solution Approach 2:
The invention extracts and removes solid byproducts from the reaction system using scraper mechanisms that continuously scrape the reactor walls. This extraction of harmful solid byproducts prevents them from interfering with the continuous hydrogen production process, enabling uninterrupted hydrogen extraction while maintaining system functionality.
2Productivity
If liquid reagents are sprayed on reactor surface to enable continuous reaction, then hydrogen production rate is improved, but control of reagent mixing and reaction becomes more difficult
Solution Approach 1:
The system uses dynamic spray nozzles that rotate with the reactor, continuously injecting liquid reagents onto the rotating reactor surface. This dynamic approach ensures uniform mixing and controlled reaction progression, improving hydrogen production rate while maintaining ease of operation through the coordinated rotation and spraying mechanism.
Solution Approach 2:
The invention employs hydraulic spray systems to deliver liquid reagents onto the reactor surface. The pneumatic and hydraulic delivery mechanisms provide precise control over reagent flow rates and distribution patterns, enabling high hydrogen production rates while maintaining easy control over the mixing and reaction process.
3Productivity
If scraper mechanism is added to remove byproduct, then byproduct removal efficiency is improved, but device complexity increases
Solution Approach 1:
The scraper mechanism is merged with the reactor rotation system, where scrapers are mounted on the rotating reactor wall and move with it. This merging of functions allows the scraper to effectively remove byproducts while utilizing the existing rotational motion, improving byproduct removal efficiency without significantly increasing device complexity.
Solution Approach 2:
The scraper mechanism serves multiple functions: removing solid byproducts from the reactor surface, maintaining reaction zone integrity, and working coordination with the spray system. This multi-functionality improves byproduct removal efficiency while avoiding the need for separate dedicated components, thereby limiting the increase in device complexity.
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 solution enables continuous and controlled hydrogen production from liquid reagents, improving gas production rates and facilitating the recycling of byproducts, particularly suitable for hydrogen-polysiloxane systems.
Implementation Method 1
two nozzles attached to the shaft, configured to spray the first and second reagents respectively on the reactor surface
Implementation Method 2
a scraper attached to the shaft, configured to separate the byproduct from the reactor surface
Implementation Method 3
a shaft centered on the revolution axis and rotating relative to the reactor surface
Data Source
AI summary
A device is provided for controlled production of a gas from first and second liquid reagents that, when mixed, produce the gas and a non-gaseous byproduct, the device comprising a reactor surface having a substantially vertical revolution axis; a shaft centered on the revolution axis and rotating relative to the reactor surface; two nozzles attached to the shaft, configured to spray the first and second reagents respectively on the reactor surface, wherein the two nozzles are tilted toward each other so that the first and second reagents are sprayed with intersecting cones on a common area of the reactor surface; and a scraper attached to the shaft, configured to separate the byproduct from the reactor surface while following the nozzles at a distance sufficient to let the reagents react.