Modular VSI Crusher Distributor Plate Wear Resistance
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Solution Overview
Problem
Vertical shaft impact (VSI) crusher distributor plates experience significant abrasive wear due to the nature of crushable materials, requiring frequent servicing and replacement, and are difficult to handle and install due to their size and weight, with modular designs posing challenges in assembly and disassembly within restricted crusher inspection hatches.
Innovation Solution
A modular distributor plate assembly with an abrasion-resistant insert and a low-profile design, featuring attachment elements at the perimeter for secure locking to the rotor, minimizing thickness and weight to enhance handling and reduce downtime, while maximizing material flow and crushing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the distributor plate is made thicker to increase wear resistance, then the abrasion wear resistance is improved, but the weight and handling difficulty increase
Solution Approach 1:
The distributor plate uses a composite construction with a metal work plate base and ceramic or carbide inserts mounted on the contact surface. The ceramic/carbide material provides superior abrasion resistance while the metal base provides structural support, allowing the plate to be thinner and lighter than a solid metal plate of equivalent wear resistance.
Solution Approach 2:
The distributor plate is divided into a work plate component and separate insert components. The inserts are individual replaceable elements that can be mounted on the work plate, allowing the wear-resistant function to be separated from the structural support function, thereby reducing overall weight while maintaining wear resistance.
2Reliability
If the distributor plate is made thicker to increase wear resistance, then the abrasion wear resistance is improved, but the thickness and flow volume are increased
Solution Approach 1:
By using ceramic or carbide inserts with extremely high wear resistance, the plate can achieve the required durability with minimal thickness. The inserts provide the wear protection function in a thin layer, allowing the overall plate thickness to be minimized while maintaining adequate wear resistance.
3Weight of moving object
If modular distributor plates are used to reduce weight and facilitate handling, then the weight and handling ease are improved, but the assembly and disassembly complexity increase
Solution Approach 1:
The distributor plate is segmented into a work plate and separate insert components. The inserts are designed to be easily mounted and removed from the work plate using simple attachment mechanisms such as clips, clips, or adhesive, reducing assembly complexity compared to traditional bolted modular designs.
4Ease of operation
If attachment elements are provided at the perimeter of the distributor plate, then the attachment and detachment ease are improved, but the plate design complexity increases
Solution Approach 1:
The attachment elements are designed to enable service personnel to independently attach and detach the distributor plate using simple tools. The perimeter-mounted design allows for straightforward alignment and securing without requiring complex internal mechanisms or specialized assembly procedures.
Data Source
AI summary
An abrasion wear resistant distributor plate assembly is mountable to protect a rotor within a vertical shaft impact crusher for material fed into the rotor. A distributor plate is arranged so as to be resistant to the operational abrasive wear resulting from contact with a flow of crushable feed material through the crusher rotor. Attachment components are provided around a perimeter of the plate to facilitate mounting and decoupling of the plate at the rotor during servicing or replacement procedures.