Electrolytic copper rectifier

Electrolytic refining of copper is to cast the fire-refined copper into anode plates, use pure copper sheets as cathode plates, and alternately load them into the electrolytic cell. The electrolyte consists of an aqueous solution of copper sulfate and sulfuric acid. Under the action of direct current, the copper on the anode and the base metal with a more negative potential dissolve into the solution.

Purpose of electrolytic refining:
Reducing the impurity content in copper: Through electrolytic refining, the impurities in copper can be reduced, thereby improving the performance of copper to meet the requirements of various applications.
Recovering valuable metals: Valuable metals, especially precious metals and scattered metals, can be recovered during electrolytic refining.

Electrolytic copper-copper refining-copper deposition
Copper refining refers to the process of purifying crude copper (copper with more impurities) by physical or chemical methods to obtain high-purity copper. Crude copper is usually extracted from copper ore by pyrometallurgy and contains a variety of impurities (such as gold, silver, iron, nickel, sulfur, etc.). The main purpose of copper refining is to remove these impurities and improve the purity and performance of copper to make it suitable for industrial applications. Copper refining is usually divided into two stages: fire refining and electrolytic refining.

Copper deposition and copper refining
Copper deposition is one of the core steps of copper refining, which is used to reduce copper ions to high-purity copper during electrolytic refining.
Copper refining is a broader process, including fire refining and electrolytic refining, aimed at purifying crude copper and recovering by-products.
The progress of copper deposition technology has directly promoted the improvement of copper refining efficiency and product quality. The two complement each other and together form the foundation of the modern copper metallurgical industry.

SCR&IGBT electrolytic copper power supply

Basic principle: The AC input voltage is transformed by a transformer to obtain low-voltage AC power, and then converted into DC by a thyristor to obtain the required output voltage and current. The control circuit samples the output voltage and output current, and controls the phase angle of the thyristor triggering conduction moment through phase control after closed-loop feedback, so that the output voltage or current remains stable.