Movable Transfer Conveyor for Multi-Deck Screening Assembly
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Solution Overview
Problem
Conventional screening assemblies are not flexible, cost-saving, or energy-efficient, as they typically require dedicated transfer conveyors for different sizes of material, which limits their versatility and efficiency.
Innovation Solution
A compact multi-deck screening assembly with a single movable transfer conveyor that can selectively receive material from multiple screens, allowing for flexible positioning and reducing the need for additional conveyors, thus simplifying the structure and reducing energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated transfer conveyors are used for each screen deck, then material transport reliability is improved, but device complexity and cost increase
Solution Approach 1:
A single transfer conveyor is designed to serve multiple screen decks (first and second screens) by being positionable at different locations. The conveyor can selectively receive material from different screens based on operational requirements, eliminating the need for dedicated conveyors for each deck while maintaining reliable material transport functionality.
Solution Approach 2:
The transfer conveyor is made movable between different positions to adapt to different operational configurations. This dynamic positioning capability allows the same conveyor to serve different screens as needed, providing flexibility while reducing the total number of conveyors required in the system.
2Adaptability or versatility
If multiple transfer conveyors are installed, then material handling versatility is improved, but energy consumption increases
Solution Approach 1:
One transfer conveyor performs the work of multiple conveyors by being able to position itself to receive material from different screen decks. This multi-functional design maintains versatile material handling capability while operating only a single conveyor motor, thereby reducing overall energy consumption compared to running multiple dedicated conveyors.
3Device complexity
If a single transfer conveyor serves multiple screens, then device complexity is reduced, but positioning precision requirements increase
Solution Approach 1:
The transfer conveyor incorporates movable mounting mechanisms that enable precise positioning at different locations to serve various screen decks. This dynamic positioning system allows the conveyor to be accurately aligned with different discharge points while maintaining a simplified overall system structure with fewer conveyor units.
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 solution enables a cost-effective and energy-efficient screening process by eliminating the need for multiple transfer conveyors, enhancing maintenance accessibility and versatility, while allowing for efficient recirculation and distribution of materials.
Implementation Method 1
the drive means is operable to shift at least one of the discharge ends of the screening device and the receiving end of the first conveyor relative to the assembly frame
Implementation Method 2
a screening device coupled to the assembly frame, including a first screen and a second screen, the second screen being substantially vertically-stacked below the first screen
Data Source
Figure 1
Figure 2
Figure 3a
AI summary
A screening assembly for screening material and comprising of an assembly frame (201), a multi-deck screening device (202), a transfer conveyor (205) and a drive means, wherein the drive means is operable to shift at least one of the discharge ends of the screening device and the receiving end of the first conveyor (205) relative to the assembly frame, to allow the transfer conveyor to selectively receive material from an upper screen and from both screens at their respective discharge ends. A mobile material processing plant comprising said screening assembly is included.