Graphitized petroleum coke is mainly used in lithium battery anodes, carburants, graphite electrode production, and high-temperature materials, featuring high conductivity, purity, and thermal stability.

【Graphitization】How to Reduce Graphitization Power Consumption

To reduce power consumption during the graphitization process, the following strategies can be adopted:

1. Optimize Furnace Core Temperature Monitoring

By closely monitoring temperature changes in the graphitization furnace core, unnecessary energy waste caused by improper power control can be avoided. For example, during power-on stages, controlling the rate of temperature increase can help conserve energy while improving product quality.

2. Improve Internal Series Graphitization Furnace Design

Internal heating series-connected graphitization furnaces offer higher energy efficiency compared to Acheson furnaces, as they eliminate the need for resistive materials, thus reducing excess heat loss. Additionally, optimizing furnace structure and material selection—such as using high-temperature-resistant linings and high-strength steel frameworks—can enhance structural integrity and durability.

Figure 1 Power Balance of the Power Supply Network for the Graphitization Furnace

Figure 2 Heat Balance of the Graphitization Furnace

3. Implement Technological Upgrades

Technical upgrades to the graphitization furnace—including improvements to the structure and materials, and the adoption of more efficient cooling systems like internal cooling—can reduce water usage and corrosion risks, thereby lowering energy consumption and costs.

4. Strengthen Production Management

Enhancing production planning and scheduling, improving the heating process, optimizing the temperature rise curve, and reinforcing furnace maintenance are all crucial measures to boost energy efficiency and minimize waste.

5. Utilize Time-of-Use Electricity Pricing

In regions where time-of-use electricity pricing is applied, operating graphitization furnaces during off-peak hours can significantly reduce electricity costs.

6. Conclusion

By implementing the above strategies, carbon enterprises can not only reduce power consumption in the graphitization process but also improve production efficiency and economic benefits, thereby maintaining a competitive edge in the market.

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