Automatic Auxiliary Crane for Electrolysis Maintenance
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Solution Overview
Problem
Conventional electrolysis installations face productivity losses due to electrode failures, such as short circuits and faulty metal deposition, which require manual maintenance, leading to crane unavailability and reduced operational time.
Innovation Solution
An automatic auxiliary crane system for electrolysis installations that identifies anomalies using sensors and performs electrode extraction, replacement, and repositioning, allowing the main crane to maintain normal operations while the auxiliary crane handles maintenance tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual maintenance is performed using the main crane, then electrode failures can be addressed, but the main crane becomes unavailable and productivity decreases
Solution Approach 1:
The maintenance function is segmented from the main crane operation. An auxiliary crane is introduced specifically for maintenance tasks, while the main crane continues production operations. This segmentation eliminates the conflict between maintenance needs and productivity requirements.
Solution Approach 2:
The auxiliary crane acts as an intermediary device between the main crane and the maintenance requirements. It handles electrode extraction, replacement, and repositioning without interfering with the main crane's production function, thus maintaining both reliability and productivity.
2Productivity
If automatic auxiliary crane is used for maintenance, then productivity increases through continuous main crane operation, but device complexity increases
Solution Approach 1:
The auxiliary crane is designed with multi-functionality, handling various maintenance tasks including electrode extraction, replacement, and repositioning. This universal design consolidates multiple maintenance functions into a single device, managing complexity while maintaining productivity benefits.
Solution Approach 2:
The system enables self-service through automated detection and maintenance execution. Sensors automatically detect electrode anomalies, and the auxiliary crane autonomously performs maintenance tasks without requiring manual intervention, thus maintaining productivity while managing operational complexity.
3Measurement precision
If sensors remain static with respect to the electrolysis tank, then detection capability is maintained, but adaptability to different electrode positions is reduced
Solution Approach 1:
The static sensors provide continuous feedback on electrode conditions at fixed positions. This feedback mechanism maintains measurement precision for detecting anomalies such as temperature increases, electrical contact faults, and metal deposition irregularities, while the system adapts through automated response to detected conditions.
Data Source
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AI summary
The maintenance method of an electrolysis installation comprises the stages of: - Identifying anomalies in the electrodes - Extracting, removing and replacing the anomalous electrodes moving them from the electrolytic tanks of the plant to the repair and replacement area. - Repositioning new electrodes the extraction, removal and replacement of the electrodes as well as the repositioning of new electrodes being carried out by means of an auxiliary crane comprising: - A Main Structure - A Longitudinal Translation System - A Main Lifting System - An Electrode Collection System The automatic auxiliary crane is used for maintenance in an electrolytic cell house, while the function of the Automatic Auxiliary Bridge Crane consists in the handling, inspection and maintenance of Electrodes, identifying anomalies in the electrodes located in the tanks.