Rotating Rotor Passages with Packing for Mass Transfer
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Solution Overview
Problem
Existing mass-transfer machines between liquids and gases within rotors face inefficiencies in material transfer and manufacturing complexity, particularly in optimizing contact area between liquid and gas.
Innovation Solution
Incorporating a rotor design with radial or angled passages filled with packing materials like woven or structured metal or plastic fibers, which increase the contact area between the liquid and gas, facilitating precise and effective mass transfer while being easy to manufacture and assemble.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rotor uses a packing structure to increase contact area between liquid and gas, then mass transfer efficiency is improved, but device complexity increases
Solution Approach 1:
The rotor is segmented into multiple radial passages instead of using a continuous packing structure. Each passage is filled with packing material, dividing the packing into discrete, manageable sections. This segmentation maintains the total contact area for mass transfer while simplifying the overall structure and making it easier to manufacture and assemble.
Solution Approach 2:
The patent uses packing material filled into radial passages within the rotor. The packing material provides porous structure that increases the contact area between liquid and gas phases, thereby enhancing mass transfer efficiency while maintaining a relatively simple rotor geometry.
2Area of stationary object
If the rotor design includes multiple passages with packing, then contact area between liquid and gas is increased, but manufacturing complexity increases
Solution Approach 1:
The rotor is divided into multiple radial passages that can be independently manufactured and assembled. The packing material is filled into these separate passages, allowing for modular manufacturing. This approach increases the total contact area while keeping each individual passage simple to manufacture, and the entire structure can be assembled by inserting passages into the rotor body.
3Productivity
If the rotor uses radial passages with packing, then mass transfer is enhanced, but assembly complexity increases
Solution Approach 1:
The rotor is segmented into multiple radial passages that can be manufactured separately and then assembled into the rotor body. The packing material is pre-filled into these passages, creating modular units that simplify the overall assembly process. This segmentation maintains high mass transfer efficiency while making the rotor easier to assemble compared to a monolithic packed structure.
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 design enhances mass transfer efficiency and material transport by increasing the contact area between liquid and gas, making the process more effective and simpler to produce and assemble, with improved performance in a compact rotor design.
Implementation Method 1
liquid is supplied to the center of the rotor and is driven outward by the centrifugal force generated by rotation of the rotor
Implementation Method 2
gas surrounding the rotor is forced inward through the rotor by the gas pressure, counter to the liquid flow in the rotor
Data Source
AI summary
In an apparatus for mass transfer between a liquid and a gas inside a rotor, the liquid is supplied to a center of the rotor and is driven outward by centrifugal force generated by rotation of the rotor, the gas surrounding the rotor is forced inward through the rotor by a pressure of the gas, counter to the liquid flow in the rotor, and the rotor has a plurality of passages lying in the plane of the rotor that begin at a center of the rotor and terminate at an outer circumference of the rotor. The passages are each filled with a packing that increases the area of contact between the liquid and the gas.