Dynamic Magnetic Separator Positioning for Conveyor Impact Protection
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Solution Overview
Problem
Magnetic separators in crushing and screening plants are prone to damage due to materials of comparable size or larger impacting them at a fixed distance from the conveyor belt, leading to increased risk of damage and reduced versatility and efficiency.
Innovation Solution
A magnetic separator with a lifter mechanism that can move closer to or farther from the conveyor belt based on material height, minimizing impact risk and enhancing detection and removal capabilities under varying conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the magnetic separator is placed at a fixed distance from the conveyor belt, then the separator can effectively detect and remove magnetic material, but the separator is more prone to accidental damage from materials of comparable size or greater
Solution Approach 1:
The magnetic separator is made movable relative to the conveyor belt through a positioning system that allows adjustment of the separation distance. This dynamic positioning enables the separator to adapt to varying material conditions while maintaining effective detection capability, resolving the contradiction between fixed positioning for reliability and adjustable positioning for versatility.
Solution Approach 2:
The distance parameter between the magnetic separator and conveyor belt is made variable rather than fixed. By changing this critical parameter based on material characteristics, the system achieves both reliable operation (when positioned optimally) and adaptability (when adjusting for different material sizes and conditions).
2Measurement precision
If the magnetic separator is placed closer to the conveyor belt for better detection, then detection precision improves, but the risk of impact damage from materials increases
Solution Approach 1:
The magnetic separator's position is made dynamically adjustable, allowing it to move closer to the conveyor belt for improved detection precision when material conditions permit, and move farther away when impact risk becomes excessive. This dynamic positioning resolves the contradiction between proximity for precision and distance for protection.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor material conditions and adjust the separator's position accordingly. When materials of concerning size are detected, the system automatically increases the separation distance to reduce impact risk while maintaining detection capability, thus resolving the precision-damage risk contradiction.
3Device complexity
If the magnetic separator is made stationary at a fixed distance, then the device complexity is reduced, but the versatility and efficiency under varying working conditions deteriorates
Solution Approach 1:
Rather than maintaining a complex stationary structure with multiple adjustment mechanisms, the invention employs a simplified movable platform with motorized positioning. This approach reduces mechanical complexity while enabling versatile adaptation to different working conditions through controlled movement and electronic positioning.
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
Reduces the likelihood of separator damage, increases versatility, and enhances efficiency by allowing faster maintenance and reduced downtime.
Implementation Method 1
a lifter (12) which is associable with the conveyor belt (7) and adapted to attract and transport the magnetic material
Data Source
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AI summary
The present invention relates to a perfected magnetic separator (8) for the detection and removal of magnetic material from a volume of material arranged on a transport surface (11) of a conveyor belt (7), the magnetic separator (8) comprising a lifter (12) which is associable with the conveyor belt (7) and adapted to attract and transport the magnetic material, and wherein: the lifter (12) is movable with respect to the conveyor belt (7) towards/away from the transport surface (11) between a close position wherein the lifter (12) has a first distance from the conveyor belt (7), a spaced position wherein the lifter (12) has a second distance which is greater than the first distance from the conveyor belt (7), and wherein the lifter (12) is configured to move from the close position to the spaced position and vice versa depending on a protrusion of the material arranged on the conveyor belt (7) with respect to the first distance.