Adjustable Compacting Element for Recycled Plastic Agglomeration
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Solution Overview
Problem
Existing systems for processing materials like recycled waste plastic face challenges in adjusting compression force and compression ratio according to initial bulk density and desired bulk density, leading to potential clogs and inefficiencies in compacting and agglomerating processes.
Innovation Solution
A system comprising a compacting device with a changeable compacting chamber and a moveable compacting element that reduces volume to compact materials, allowing for adjustable compression force and ratio, and a closing element for pipelined operation to prevent clogs and improve throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a screw conveyor is used for compacting material, then material can be supplied to the treatment device, but compression force and compression ratio are challenging to adjust according to initial bulk density and desired bulk density
Solution Approach 1:
The patent employs a movable compacting element that can be positioned at different locations within the compacting chamber, allowing dynamic adjustment of compression force and compression ratio. This movable element enables the system to adapt to different bulk densities of material without requiring complex mechanical adjustments, thereby resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The patent changes the physical parameter of compacting element position within the compacting chamber to adjust compression parameters. By moving the compacting element to different positions, the system can vary compression force and compression ratio to match different material bulk densities, achieving adaptability through simple parameter change rather than complex mechanism.
2Productivity
If continuous operation is implemented without pipelined mode, then system simplicity is maintained, but processing efficiency and throughput are reduced due to inability to compact and treat materials simultaneously
Solution Approach 1:
The patent divides the processing system into distinct functional segments: a compacting device with a compacting chamber and a treatment device. These segmented components can operate independently and simultaneously, enabling pipelined operation where one batch is being compacted while another is being treated. This segmentation increases productivity without requiring complex integration mechanisms.
Solution Approach 2:
The patent introduces a closing element as an intermediary component that controls the passage between the compacting chamber and treatment device. This closing element enables pipelined operation by selectively opening and closing the passage, allowing material to be transferred only when the treatment device is ready, thereby increasing throughput without creating complex synchronization mechanisms.
3Adaptability or versatility
If a fixed compacting chamber volume is used, then device simplicity is maintained, but compression ratio cannot be adjusted according to desired bulk density after compacting
Solution Approach 1:
The patent employs a movable compacting element that can be positioned at different locations within the compacting chamber, allowing dynamic adjustment of the effective compacting volume and compression ratio. This simple dynamic adjustment mechanism enables adaptation to different desired bulk densities without requiring complex variable volume chamber designs, resolving the contradiction between adaptability and device complexity.
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
Enables flexible adjustment of compression forces and ratios, preventing clogs and enhancing processing efficiency by allowing simultaneous compacting and treatment of materials in a pipelined operational mode, improving the conversion of materials into agglomerates, pellets, or nozzle-extruded products.
Implementation Method 1
a compacting element moveable in the compacting chamber to reduce the volume of the compacting chamber so as to compact the material
Implementation Method 2
Heat needed by the process is provided by mechanical action directed to the plastic material, and this heat is enough to melt and agglomerate the plastic material
Implementation Method 3
this heat is enough to melt and agglomerate the plastic material into relatively homogenous granules
Implementation Method 4
a closing element for closing a passage from the compacting chamber to the treatment device when the compacting element is compacting the material
Data Source
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AI summary
A system for processing material, for example recycled material, comprises a compacting device (101) for compacting the material and a treatment device (102) for agglomerating, pelletizing, or nozzle-extruding the compacted material. The compacting device comprises a compacting chamber (103) and a compacting element (104) that is moveable in the compacting chamber to reduce the volume of the compacting chamber so as to compact the material to be delivered to the treatment device. As the material is compacted prior to being agglomerated, pelletized, or nozzle-extruded, supply of the material to the treatment device can be more reliable especially when the material is chopped waste plastic or other fluffy material including much air. Furthermore, efficiency of the agglomeration, pelletizing, or nozzle-extruding is improved because the compacting increases density of the material prior to the agglomeration, pelletizing, or nozzle-extruding process.