High-Voltage Electrode Assembly for Pourable Material Fragmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for fragmenting and weakening pourable materials using high-voltage discharges face inefficiencies and contamination issues due to improper delimitation of the process zone, leading to reduced product quality and equipment wear.
Innovation Solution
A continuous method where a material flow is guided past a high-voltage electrode assembly with unmoved material zones laterally delimiting the process zone, preventing contamination and reducing equipment wear by using a conveyor belt or carousel-like device to manage the material flow and high-voltage punctures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the material flow is made wide to process large material quantities, then productivity is improved, but the processing quality deteriorates because not the entire material is processed
Solution Approach 1:
The material flow is segmented into a processed central zone and unprocessed boundary zones. The high-voltage electrode assembly only acts on the central zone where material is properly processed, while boundary zones remain unprocessed. This segmentation allows the system to handle wide material flows without compromising processing quality, as only the necessary central portion receives high-voltage treatment.
2Manufacturing precision
If the material flow is made narrow to ensure complete processing, then manufacturing precision is improved, but productivity deteriorates and device wear increases due to lateral delimiting walls
Solution Approach 1:
The boundary zones are extracted from the processing area and excluded from high-voltage treatment. By taking out the lateral boundary regions and leaving them unprocessed, the system avoids the need for lateral delimiting walls that cause wear and contamination. This extraction allows wider material flows to be handled while maintaining complete processing of the relevant central zone.
3Manufacturing precision
If lateral delimiting walls are used to define the process zone, then manufacturing precision is improved, but device complexity and wear increase
Solution Approach 1:
The material flow itself serves to define the process zone boundaries through the formation of unprocessed boundary zones. Instead of requiring external lateral delimiting walls, the system uses the material's own configuration - with unprocessed material at the boundaries - to naturally delimit the processing area. This self-service approach eliminates complex delimiting structures and their associated wear and contamination issues.
Data Source
AI summary
A method for fragmenting and/or weakening of pourable material by means of high-voltage discharges is disclosed. Thereby, a material flow of the pourable material is, immersed in a process liquid, guided past a high-voltage electrode assembly with one or more high-voltage electrodes, while high-voltage punctures through the material are produced by means of charging of the high-voltage electrodes with high-voltage pulses. The zone of the material flow in which the high-voltage punctures through the material are produced is delimited laterally by substantially unmoved zones of the same material as viewed in a guiding-past direction. With the disclosed method, it becomes possible to fragment and/or weaken pourable material in a continuous process by means of high-voltage punctures in a low-wear and low-contamination manner.