Rotating Polygonal Component in Distillation Columns
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Solution Overview
Problem
Traditional distillation columns face inefficiencies in separation due to tall column sizes, low separation efficiency at high liquid flow rates, cost inefficiencies, and issues like packing breakage and flooding, which hinder the separation of volatile components effectively.
Innovation Solution
A distillation column with a polygonal cross-section component that rotates within the chamber, inducing radial clearance changes and centrifugal removal of condensate, enhancing evaporation and condensation phase changes, and allowing for continuous high-throughput refining with reduced equilibration time and volumetric holdup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If taller distillation columns are used to achieve more phase changes and improve separation efficiency, then separation efficiency is improved, but column size and hold up volume increase
Solution Approach 1:
The patent applies the dynamics principle by introducing a rotating polygonal component that creates dynamic radial clearance changes during rotation. This dynamic motion generates varying vapor velocities and pressure differentials that enhance mass transfer efficiency without requiring increased column height, thereby improving separation efficiency while maintaining compact column size.
Solution Approach 2:
The rotating polygonal component creates periodic variations in radial clearance as it rotates, generating cyclic changes in vapor flow patterns and pressure differentials. This periodic action continuously renews the mass transfer driving forces, enhancing separation efficiency within a compact column configuration without requiring taller structures.
2Manufacturing precision
If more plates or layers of packing are added to achieve improved separation, then separation efficiency is improved, but process speed decreases
Solution Approach 1:
The rotating polygonal component introduces dynamic motion that actively enhances mass transfer rates through varying radial clearances and vapor velocities. This dynamic mechanism achieves high separation efficiency in a single stage or few stages, avoiding the need for multiple static plates or packing layers that would slow down the process, thereby maintaining high productivity.
Solution Approach 2:
The rotation of the polygonal component changes operational parameters such as radial clearance, vapor velocity, and pressure differential dynamically during operation. These parameter changes optimize mass transfer efficiency without requiring additional theoretical stages, thus maintaining fast process speed while achieving high separation efficiency.
3Productivity
If high liquid flow rates are processed, then productivity is improved, but separation efficiency decreases
Solution Approach 1:
The rotating polygonal component dynamically adjusts radial clearance during rotation, creating varying vapor velocities that maintain effective mass transfer even at high liquid flow rates. This dynamic mechanism prevents the loss of separation efficiency typically associated with high throughput by continuously renewing the mass transfer driving forces.
Solution Approach 2:
The periodic rotation of the polygonal component creates cyclic variations in radial clearance and vapor flow patterns, which maintain high mass transfer efficiency even when processing high liquid flow rates. This periodic renewal of mass transfer conditions allows high productivity without sacrificing separation quality.
4Productivity
If the column operates for extended periods, then productivity is improved, but packing breakage and flooding occur
Solution Approach 1:
The patent extracts the problematic packing material from the system and replaces it with a rotating polygonal component that has no moving parts subject to thermal expansion or mechanical breakage. This eliminates the reliability issues associated with prolonged operation of packed beds, allowing continuous high-productivity operation without packing degradation or flooding.
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 rotating polygonal cross-section component improves separation efficiency, reduces equilibration time, and minimizes volumetric holdup, enabling high plate numbers at high flow rates while simplifying the configuration and extending the lifespan of the column.
Implementation Method 1
The rapid velocity fluctuations induce rapid evaporation and condensation phase changes at the column wall
Implementation Method 2
The rapid velocity fluctuations induce rapid evaporation and condensation phase changes at the column wall
Implementation Method 3
The rotation of the component also removes the condensate by centrifugation, resulting in the preferential removal of the lower volatility component to the column wall
Implementation Method 4
The rapid velocity fluctuations induce rapid evaporation and condensation phase changes at the column wall by virtue of pressure variations
Implementation Method 5
The less volatile condensed phase is slowly removed from these equilibrium sites by gravity
Data Source
AI summary
A distillation column comprises at least one wall enclosing a chamber and at least one feed input, at least one condensate removal point and at least one vapor take-off point; wherein the column further comprises a polygonal cross-section component that is mounted within the chamber; and wherein the polygonal component is configured to rotate within the chamber in use.