Magnetic Oxygen Separator for Continuous Liquid-Air Extraction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for extracting pure oxygen from air are either expensive, complex, or inefficient, with non-cryogenic methods facing challenges in achieving high purity and continuous operation, while cryogenic methods incur high energy costs and equipment complexity.
Innovation Solution
A system utilizing a magnetic separator with a magnetic field gradient to separate oxygen from liquid air, leveraging the paramagnetic properties of oxygen to attract it away from other gases, allowing for efficient extraction and storage, with a feedback loop to enhance oxygen removal efficiency and reduce energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If adsorption method is used to extract oxygen from air, then the process is reversible and allows for continuous operation, but complete removal of oxygen is difficult to achieve with great certainty
Solution Approach 1:
The patent changes the fundamental parameter of oxygen separation from reversible adsorption to irreversible magnetic attraction. By utilizing oxygen's paramagnetic properties and applying a strong magnetic field gradient, the system achieves near-complete oxygen removal while maintaining continuous operation capability.
Solution Approach 2:
The patent replaces the chemical adsorption mechanism with a magnetic field-based separation mechanism. The magnetic field gradient creates a force that selectively attracts paramagnetic oxygen molecules, achieving both high removal efficiency and continuous operation without the equilibrium limitations of adsorption.
2Manufacturing precision
If chemical separation approaches are used to achieve 100% purity, then complete gas removal is achieved, but the process becomes quite complex to implement and difficult to operate continuously
Solution Approach 1:
The patent replaces complex chemical separation processes with a simpler magnetic field-based separation. The magnetic field gradient selectively attracts paramagnetic oxygen molecules through a tube, achieving high purity with a relatively simple device configuration that allows continuous operation.
Solution Approach 2:
The patent changes the separation mechanism from chemical reactions to magnetic field interaction. By exploiting oxygen's paramagnetic property and applying a controlled magnetic field gradient, the system achieves 100% purity with a simpler, more operationally flexible setup.
3Device complexity
If permeable membrane filtering is used to increase oxygen concentration, then the process is simple to implement, but high purity is not achieved because other permeable gases pass through unimpeded
Solution Approach 1:
The patent replaces physical membrane filtering with magnetic field-based separation. Instead of relying on differential permeability, the system uses a magnetic field gradient to selectively attract paramagnetic oxygen molecules, achieving high purity while maintaining operational simplicity.
Solution Approach 2:
The patent changes the separation criterion from gas permeability to magnetic susceptibility. By applying a magnetic field gradient, the system selectively separates oxygen based on its paramagnetic property, achieving high purity without the limitations of membrane permeability.
4Manufacturing precision
If ion transport membrane method is used to achieve pure oxygen, then 100% purity is achieved, but high energy costs are incurred for heating and recompressing
Solution Approach 1:
The patent replaces thermal and mechanical processing with magnetic field-based separation. Instead of heating and recompressing gases to achieve separation, the system uses a magnetic field gradient to selectively attract oxygen molecules, achieving high purity with minimal energy input.
Solution Approach 2:
The patent changes the separation mechanism from thermal/ion-based to magnetic field-based. By exploiting oxygen's paramagnetic property at ambient conditions, the system achieves 100% purity without the high energy costs associated with heating and compression.
5Manufacturing precision
If cryogenic extraction method with pressure and centrifuges is used to separate oxygen from air, then separation without liquefaction is achieved, but high energy costs and complex equipment are required
Solution Approach 1:
The patent replaces complex mechanical separation systems (centrifuges, pressure systems) with a magnetic field-based separation. The magnetic field gradient selectively attracts paramagnetic oxygen molecules through a tube, achieving effective separation with simpler equipment.
Solution Approach 2:
The patent changes the separation basis from density/pressure differences to magnetic susceptibility differences. By applying a magnetic field gradient, the system achieves effective oxygen separation with simpler equipment configuration.
6Manufacturing precision
If cryogenic extraction method with pressure relief is used to separate gases by boiling temperature, then complete gas separation is achieved, but energy losses occur at many stages and continuous operation is not possible
Solution Approach 1:
The patent replaces multi-stage thermal separation with a single-stage magnetic field-based separation. The magnetic field gradient selectively attracts paramagnetic oxygen molecules, achieving complete separation in one continuous process without the energy losses associated with multiple compression and expansion stages.
Solution Approach 2:
The patent changes the separation mechanism from thermal (boiling point differences) to magnetic (susceptibility differences). This allows complete oxygen separation in a continuous process with minimal energy input, eliminating the need for multiple staging operations.
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 achieves efficient oxygen extraction with reduced energy costs and complexity, enabling high-purity oxygen production while minimizing external work and cooling requirements, thus overcoming the limitations of existing methods.
Implementation Method 1
leveraging the paramagnetic properties of oxygen to attract it away from other gases
Implementation Method 2
the at least one magnet having a north pole end and a south pole end forming a magnetic field gradient therebetween and extending into an interior portion of the tube
Data Source
AI summary
A system for extracting oxygen from a liquid includes a separator allowing a liquid to pass lengthwise through the separator to produce a liquid mixture with the liquid having at least a portion of oxygen removed from the liquid. The separator includes a wall surrounding an interior portion of a tube. The wall has at least one aperture formed in the wall. The separator also includes at least one magnet positioned adjacently to the at least one aperture. The magnet has a north pole end and a south pole end. A magnetic field gradient is formed between the north pole end and the south pole end, and extends into an interior portion of the tube. The system also includes a storage tank fluidly coupled to the at least one aperture for storing the at least a portion of the oxygen removed from the liquid via the separator.