Segmented Bladed Grinder Covers for Plaster Waste Maintenance
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Solution Overview
Problem
Existing grinders are not suitable for processing plaster waste due to insufficient robustness, leading to premature wear and frequent, complicated maintenance, making them cost-ineffective for recycling gypsum.
Innovation Solution
A bladed grinder with a reinforced steel frame, removable cover sections, and reversible fastening system for wearing parts, allowing easy access and maintenance, and optimized blade configuration for efficient plaster separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional grinder structure is used for plaster waste, then the grinder can process waste materials, but the structure becomes worn prematurely and requires frequent, complicated maintenance
Solution Approach 1:
The cover is divided into multiple removable sections that can be independently accessed and maintained. This segmentation allows maintenance personnel to access specific worn areas without disassembling the entire grinder, significantly reducing maintenance complexity while maintaining structural integrity during operation
Solution Approach 2:
The grinder incorporates replaceable wearing parts that can be easily removed and replaced when worn. These parts are designed to be discarded after reaching their service life and replaced with new components, eliminating the need to replace entire assemblies and reducing maintenance time
2Productivity
If a conventional grinder structure is used for plaster waste, then the grinder can perform grinding operations, but the maintenance frequency is too high and too complicated, detracting from productivity
Solution Approach 1:
By segmenting the cover into removable sections, the design enables quick access to internal components for maintenance. This reduces the time required for maintenance operations while allowing the grinder to maintain high productivity during operation, as maintenance can be performed on individual sections rather than requiring full disassembly
Solution Approach 2:
The grinder is designed with pre-positioned access points and removable cover sections that allow maintenance personnel to perform routine maintenance tasks quickly. The structure is prepared in advance with consideration for maintenance accessibility, enabling fast replacement of wearing parts before they fail completely
3Strength
If a conventional grinder structure is used for plaster waste, then the grinder can process plaster, but the covers are subjected to significant physical stresses and require onerous maintenance
Solution Approach 1:
The cover is divided into multiple removable sections that can be independently maintained. This segmentation reduces the maintenance burden by allowing personnel to access and replace worn parts in specific sections without handling the entire cover assembly, making maintenance less onerous while the full cover structure maintains the required strength
Solution Approach 2:
The grinder incorporates replaceable wearing parts in specific high-stress areas of the cover. These local reinforcement elements are designed to withstand the significant physical stresses in critical zones while allowing the rest of the structure to remain simpler, reducing overall maintenance burden
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
Facilitates maintenance, extends the grinder's lifespan, and improves the efficiency of plaster recycling by reducing maintenance time and costs.
Implementation Method 1
a main rotation shaft (30) comprising a plurality of blades (40) fastened radially on said main rotation shaft (30)
Implementation Method 2
in the bottom part apertures covered with separation screens for filtering the defragmented gypsum
Data Source
AI summary
Disclosed is a bladed grinder (20) for plaster waste, comprising a frame (10) comprising a support for a rotating shaft, comprising a main rotating shaft (30) comprising a plurality of vanes (40) radially attached on the main rotating shaft (30), comprising a system for rotating the main rotating shaft (30), comprising at least one inlet opening (60) for introducing waste comprising plaster, comprising at least one outlet opening for recovering large size waste, comprising, in the lower portion, openings covered with separation grids for filtering the defragmented gypsum, comprising a partially cylindrical cover which covers a continuous surface, characterised in that the cover is divided into at least two removable cover sections (50).