An electric arc furnace is an industrial device that utilizes the high temperatures generated by an electric arc to heat and melt materials.
It operates by generating an electric arc-either between electrodes and the material or between the electrodes themselves-and using the arc's intense heat (which can exceed several thousand degrees Celsius) to rapidly heat the material to a molten state. The core components of an electric arc furnace include the furnace body, electrode system, power supply system, and control system. The furnace body is typically lined with refractory materials to withstand high-temperature environments. The electrode system is responsible for generating and maintaining the arc; the material and shape of the electrodes significantly influence arc stability and heating efficiency. The power supply system provides the necessary electrical energy, with its voltage and current regulation capabilities directly affecting the arc's temperature and power output. Finally, the control system monitors and adjusts operational parameters to ensure stable and efficient furnace performance.