Fluidized Inertia Table With Reciprocating Density Separation
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Solution Overview
Problem
Existing methods for separating materials, such as sieves and vibrating screens, are inefficient in distinguishing between materials based on specific gravity and density, particularly in waste streams containing valuable elements like metals.
Innovation Solution
A fluidized inertia system with a dynamic moment of inertia created by a cam and motor mechanism, combined with a fluid dispensing system, separates materials through reciprocating motion and adjustable tray angles, ensuring heavier materials are carried forward and lighter materials are carried backward.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional sieves and vibrating screens are used for material separation, then the separation process is simple in structure, but the separation efficiency based on specific gravity and density is poor
Solution Approach 1:
The patent applies the dynamics principle by creating a fluidized bed with time-varying motion characteristics. The bed undergoes periodic fluidization and consolidation cycles, creating dynamic separation conditions that exploit differences in specific gravity and density more effectively than static screening methods. This dynamic approach allows particles to be continuously repositioned based on their density characteristics.
Solution Approach 2:
The patent implements parameter changes by varying the motion parameters of the separation bed, including amplitude, frequency, and fluidization intensity. These parameters are adjusted to optimize separation efficiency for different material combinations. The system transitions between different operational states (fluidized vs. consolidated) to enhance separation based on specific gravity differences.
2Productivity
If a fluidized bed system is implemented to improve separation efficiency, then separation accuracy based on density increases, but the device complexity and operational complexity increase
Solution Approach 1:
The patent merges multiple functions into a single integrated system. The separation bed combines fluidization capabilities, vibration mechanisms, and material conveyance in one unified structure. This consolidation achieves high separation efficiency while avoiding the need for multiple separate processing stages, thereby managing system complexity.
Solution Approach 2:
The fluidized bed system exhibits self-service characteristics where the material bed itself performs the separation function through its fluidized state. The particles automatically stratify based on density without requiring complex external control mechanisms for each particle. The system leverages the inherent properties of the materials being separated to achieve the separation goal.
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 effectively separates materials by exploiting changing inertia and fluid dynamics, enhancing the separation efficiency and accuracy of materials based on specific gravity and density, with adjustable parameters for varying material types and sizes.
Implementation Method 1
A fluidized inertia system with a dynamic moment of inertia created by a cam and motor mechanism
Implementation Method 2
separates materials through reciprocating motion and adjustable tray angles, ensuring heavier materials are carried forward and lighter materials are carried backward
Implementation Method 3
a fluid dispensing system to create a fluidized bed
Implementation Method 4
separates materials by exploiting changing inertia and fluid dynamics, enhancing the separation efficiency and accuracy of materials based on specific gravity and density
Data Source
AI summary
A fluidized inertia table for separating materials between an upstream delivery station and a downstream receiving station is provided. The fluidized inertia table for separating materials creates a moment of inertia and/or rotary motion which are then translated into reciprocating or jarring motions and separates the materials loaded onto the tray.