Mobile Recycling Plant Single Engine Power and Retractable Conveyor
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Solution Overview
Problem
Existing mobile material processing plants face inefficiencies in resource utilization, transportation, and scalability, particularly in converting between operational and transport states, and in achieving adequate ground clearance during transport.
Innovation Solution
A mobile recycling plant design featuring a single on-board drive engine powering both the crusher and generator, a retractable return conveyor, a multi-deck screen with non-parallel decks, and an adjustable magnet support with bi-directional discharge, allowing for continuous generator operation, improved ground clearance, and efficient conversion between operational and transport states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a single drive engine powers both the crusher and generator, then resource efficiency is improved, but the engine must operate continuously even when the crusher is not operating
Solution Approach 1:
An hydraulic coupling system is introduced as an intermediary between the single drive engine and the crusher. This coupling allows the engine to continuously power the generator while enabling selective engagement/disengagement of the crusher, resolving the contradiction between continuous operation and resource efficiency.
Solution Approach 2:
The single drive engine is designed to perform multiple functions: continuously powering the generator and selectively powering the crusher through the hydraulic coupling system. This multi-functionality allows one engine to replace what would traditionally require two separate engines, improving resource efficiency.
2Adaptability or versatility
If the return conveyor is made retractable for transport, then ease of transportation is improved, but the mechanism for lowering the discharge chute becomes more complex
Solution Approach 1:
The discharge chute lowering mechanism is merged with the return conveyor lowering mechanism. Both components are lowered together as a single integrated operation, reducing the overall complexity by eliminating separate mechanisms for each component.
Solution Approach 2:
The return conveyor is designed with dynamic characteristics, allowing it to be lowered and raised as needed for transport and operation. This dynamic design enables the conveyor to adapt between fixed operational position and lowered transport position, improving transport capability.
3Adaptability or versatility
If the screen is lowered to increase ground clearance, then transport capability is improved, but the screening function is compromised
Solution Approach 1:
The screen is designed as a dynamic component that can change its position between a lowered transport configuration and a raised operational configuration. This dynamic positioning allows the screen to provide ground clearance during transport while maintaining proper screening function during operation.
Solution Approach 2:
The screening system is segmented into multiple decks that can be independently positioned. This segmentation allows the screen to be lowered for transport while maintaining the structural integrity and functional capability of the screening decks when raised for operation.
4Adaptability or versatility
If the magnet support is made adjustable with bi-directional discharge, then adaptability is improved, but the mechanism complexity increases
Solution Approach 1:
The magnet support is designed with dynamic adjustment capabilities, allowing it to be positioned in multiple locations and configured for bi-directional discharge. This dynamic design enables the magnet to adapt to different operational requirements while maintaining a relatively simple underlying mechanism.
Data Source
AI summary
A mobile recycling plant with a single diesel engine to power the crusher intermittently and the generator continuously, with a return conveyor discharge chute 502 that is automatically stowed by merely folding the top portion of the return conveyor, with an automatic retraction of the return conveyor 130 by merely lower the screening machine, with a dual screen dual angle screening machine, and with a system for deploying a ferrous metal removal system 160.