High Consumption Prevention Measures for Self-Baking Electrodes in Submerged Arc Furnaces
1. Electrode Paste Indicator Control:
Control key indicators of the electrode paste, such as resistance, volatile matter, and ash content. Rongxing firmly believes in the principle of "one furnace, one formula." Each batch electrode paste is customized according to the different furnace conditions and parameter requirements of customers. For example, for the most important indicator, volatile matter, our engineer will determine the most suitable value after research, and ensure that the volatile matter error of the finished electrode paste is within ±0.1%, finally guarantee that the electrode paste plays its maximum role in the smelting process.
Reasonable electrode paste indicators are a prerequisite for the normal operation of the electric furnace. Electrode consumption is not necessarily the lower the better, but rather a balance must be achieved between sintering and consumption.
2. Electrode Lowering Control and Precise Baking Status:
Standardize the electrode paste feeding method: add small amounts frequently, distribute evenly, prevent Electrode Paste Hanging, bridging, and ensure dense filling inside the electrode.
Strictly control the length and embedment depth of the electrode working end according to the furnace type and process parameters, so as to reduce oxidation of the electrode sidewall and electrode end burn-off. Monitor the electrode temperature to determine the baking status.
If electrodes are underbaked, appropriately slow down the lowering speed and utilize the residual heat in the copper tile area for thorough baking; if electrodes are overbaked, appropriately increase the lowering frequency and reduce the heating time of the upper electrode.
3. Standardize load operation and stabilize furnace conditions:
Within permissible limits, load increases should be performed smoothly to avoid localized electrode burnout.
4. Regular equipment inspection and optimization:
Regularly inspect copper tiles and clamping devices, and replace worn parts promptly;
Maintain devices such as the electrode holder and electrode shell to prevent wear and tear caused by equipment issues;
Statistically analyze electrode consumption, optimize and adjust accordingly. Conduct actual detection and prevention of abnormal electrode consumption, and pre-set emergency response procedures to control abnormal large-scale consumption at the source.
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