Graphite electrode consumption and breakage is common in practice. What causes these? Here is the analysis for reference.
Factors | Body Breakage | Nipple Breakage | Loosening | Spalling | Electtode Loss | Oxidation | Electorde Consumption |
Non-conductors in charge | ◆ | ◆ | |||||
Heavy scrap in charge | ◆ | ◆ | |||||
Transformer overcapacity | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ | |
Three phase imbalance | ◆ | ◆ | ◆ | ◆ | ◆ | ||
Phase Rotation | ◆ | ◆ | |||||
Excessive Vibration | ◆ | ◆ | ◆ | ||||
Clamper Pressure | ◆ | ◆ | |||||
Roof electrode socket not align with electrode | ◆ | ◆ | |||||
Cooling water sprayed on electrodes above roof | △ | ||||||
Scrap preheating | △ | ||||||
Secondary voltage too high | ◆ | ◆ | ◆ | ◆ | ◆ | ||
Secondary current too high | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ | |
Power too low | ◆ | ◆ | ◆ | ◆ | ◆ | ||
Oil consumption too high | ◆ | ◆ | ◆ | ||||
Oxygen Consumption too high | ◆ | ◆ | ◆ | ||||
long time heating | ◆ | ||||||
Electrode dipping | ◆ | ◆ | |||||
Dirty connection part | ◆ | ◆ | |||||
Poor maintenance for lift plugs and tightening tools | ◆ | ◆ | |||||
Insufficient connection | ◆ | ◆ |
◆ Stands for being good factors
△ Stands for being bad factors
Post time: May-17-2022