Natural Rubber Separation Using Vibration and Gas Flow
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Solution Overview
Problem
Existing methods for separating impurities from natural rubber derived from plant material often result in a reduction of rubber quality or are inefficient.
Innovation Solution
A separation device and method utilizing a motor-driven mechanism that transmits mechanical impulses and a gas flow to create new surfaces on natural rubber, leveraging differences in surface-to-volume ratio and density to separate impurities effectively while minimizing rubber quality loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing separation methods are used to remove impurities from natural rubber, then impurity removal is achieved, but rubber quality is reduced
Solution Approach 1:
The separation device segments the impurity removal process into distinct functional zones: a gas injection zone that introduces controlled gas flow to lift impurities, and a separation zone where impurities are carried away by gas flow while rubber remains. This segmentation allows selective removal of impurities without subjecting the rubber to degrading mechanical or chemical treatments throughout the entire process.
Solution Approach 2:
Gas flow serves as an intermediary medium between the impurities and the removal mechanism. The gas is injected into the rubber mass, selectively penetrates to impurity locations, and carries impurities away through pressure differential. This intermediary approach avoids direct mechanical contact that would damage rubber quality while achieving effective impurity removal.
2Productivity
If mechanical impulses are applied to separate impurities, then separation efficiency is improved, but rubber quality may deteriorate
Solution Approach 1:
The device employs vibrational mechanical impulses transmitted through the rubber mass to facilitate impurity separation. The vibration frequency and amplitude are controlled to be sufficient for breaking impurity-rubber bonds and enabling gas penetration, yet below the threshold that would cause rubber degradation. This resonant approach maximizes separation efficiency while preserving rubber quality.
Solution Approach 2:
The system dynamically adjusts key parameters including gas pressure, gas flow rate, and vibration frequency based on the specific rubber-impurity mixture being processed. By optimizing these parameters within safe ranges, the device achieves high separation efficiency while maintaining rubber quality parameters within acceptable specifications.
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
Achieves high-purity, high-quality natural rubber separation by efficiently removing impurities without significant quality reduction, utilizing a mechanism that creates new surfaces and uses airflow to differentiate and remove contaminants based on their geometry and mass.
Implementation Method 1
the device includes a mechanism driven by a motor of the separation device, wherein the mechanism is configured to convey the impurities within the device. The driven mechanism comes into contact with the mixture of natural rubber and impurities and transmits a mechanical impulse to it.
Implementation Method 2
a gas supply and a gas discharge for generating a flow of gas through the device and for removing the impurities
Implementation Method 3
the gas flow exerts a smaller force on the rubber particles relative to their mass than on impurities, which, due to their size and geometry, have a larger surface-to-volume ratio
Implementation Method 4
Due to its higher mass and smaller surface-to-volume ratio, the natural rubber remains in the container
Implementation Method 5
the impurities, due to their size and geometry, have a larger surface-to-volume ratio
Data Source
Figure 1
AI summary
The invention relates to a separation device (1) for separating impurities (2) contained in natural rubber (3) from plant material, comprising a device (4) for receiving the natural rubber (3) containing the impurities (2), wherein the device (4) receives a mechanism (6), wherein the mechanism (6) is driven by a motor (8) of the separation device (1), and a gas supply (9) and a gas discharge (11) for generating a flow through the device (4) with a gas and for removing the impurities (2), wherein the mechanism (6) is configured to create new surfaces on the natural rubber (3) and to convey the impurities (2) within the device (4).