Isotropic Quantization Sorting of Automobile Shredder Residue

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Solution Overview

Problem

Current systems for recycling automobile shredder residue are inefficient in separating recyclable materials, leading to significant waste and contamination, as they are not designed to handle the heterogeneous nature of the residue effectively.

Innovation Solution

The implementation of a substantially isotropic quantization sorting system utilizing a wind tunnel with horizontal laminar air flow to dynamically influence the descent of automobile shredder residue, allowing for effective separation of recyclable materials into cleaner, more uniform collections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional sorting systems (magnets, eddy current, air separation, flotation, screening, sensor sorting) are used to process automobile shredder residue, then some recyclable materials can be recovered, but the end products still contain contamination and recyclable components that end up as waste in landfills

Engineering Contradiction:
Improverecovery of recyclable materialsVSAvoidpurity of recyclable products
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system segments the sorting process into multiple sequential stages: pre-sorting with traditional methods (magnets, eddy current, air separation), followed by isotropic quantization sorting that further divides materials into narrowly sized fractions. This multi-stage segmentation allows each method to target specific material types and size ranges, achieving both high recovery and high purity by progressively eliminating contamination at each stage

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The isotropic quantization sorting system applies local quality by creating narrowly sized fractions (e.g., 1/8 inch, 1/4 inch, 1/2 inch, 1 inch size ranges) with specific size distributions. Each size fraction is processed with tailored sorting parameters and collection methods optimized for that specific size range, ensuring maximum purity for each material stream while maintaining high overall recovery rates

Inventive Principle:
Principle #3Local quality

2Device complexity

If traditional sorting systems are used, then processing can be kept relatively simple, but significant waste (up to 80-90% of recyclable materials) ends up in landfills

Engineering Contradiction:
Improvesorting system complexityVSAvoidwaste of recyclable materials
Core Design Contradiction:
Device complexityVSLoss of substance

Solution Approach 1:

The system performs preliminary action by using traditional sorting methods (magnets, eddy current, air separation) to remove large portions of recyclable materials before the main isotropic quantization sorting process. This pre-concentration step reduces the volume of material requiring intensive sorting while ensuring that highly recyclable materials are captured early, thereby minimizing overall waste without requiring the entire system to be overly complex

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The isotropic quantization sorting system employs dynamic parameters including variable air flow rates, adjustable conveyor speeds, and real-time monitoring of fraction composition. These dynamic adjustments allow the system to optimize recovery efficiency for different material mixes and size distributions, achieving high recovery rates (reducing waste by 80-90%) while maintaining manageable system complexity through adaptive control rather than static over-engineering

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If automobile shredder residue is processed with traditional methods, then the process is straightforward, but the recyclable products are unclean and the recycling efficiency is reduced

Engineering Contradiction:
Improveease of processingVSAvoidquality of recyclable products
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The isotropic quantization sorting system acts as an intermediary stage between traditional sorting methods and final recycling processes. It receives pre-sorted material and applies controlled size-based separation to produce narrowly fractionated streams, then delivers high-purity products to recycling facilities. This intermediary step cleans up contamination that traditional methods miss while maintaining ease of operation through automated, standardized processing protocols

Inventive Principle:
Principle #24Intermediary (Mediator)

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 approach significantly increases the recovery of recyclable materials, reducing waste by up to 80-90% and producing higher-quality recyclable products, enhancing the recycling process efficiency and monetary value of recovered materials.

Implementation Method 1

horizontal laminar air flow may be provided in a wind tunnel system so that materials such as automobile shredder residue can be effectively sorted

Methodology Applied
Scientific EffectLaminar flow: Laminar Flow

Implementation Method 2

providing a gravitationally driven descent of the automobile shredder residue in the wind tunnel sorting system

Methodology Applied
Scientific EffectGravitation: Gravitation

Data Source

PatentUS8226019B2Systems for isotropic quantization sorting of automobile shredder residue to enhance recovery of recyclable resources
Publication Date: 2012.07.24 ALTER TRADING CORP
  • US8226019B2 patent drawing
  • US8226019B2 patent drawing
  • US8226019B2 patent drawing

AI summary

Systems and methods for increasing recyclable material recovery from automobile shredder residue. Embodiments include substantially isotropic quantization separation of automobile shredder residue such as a wind tunnel system and even substantially horizontal laminar air flow and can be used with or without out other traditional automobile shredder residue sorting systems perhaps creating additional recyclable quantities and even better separated results such as with zorba and zurik and the like.