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Copper Smelting Process

2023-05-23

Copper smelting technology has gone through a long process, and the copper smelting process is an important part of the copper industry chain. Understanding the copper smelting process is of great help in analysing the cost changes, production trends and output fluctuations of enterprises. Copper smelting technology is divided into two types of smelting: pyrometallurgy and wet smelting. Copper is still mainly pyrometallurgy, which accounts for 85% of the world's total copper production, while pyrometallurgy is mainly based on copper sulphide concentrate, which is formed into electrolytic copper through smelting, blowing, pyrorefining and electrolytic refining.


Pyrometallurgy is carried out through copper smelting furnaces. Oil-fired copper smelting furnaces are fuelled by diesel fuel, the advantages of which are mainly high productivity, lower energy consumption, better quality of electrolytic copper and better recovery of valuable metals from the copper ore.


Fire smelting is carried out through the copper melting furnace, fuel oil type copper melting furnace is diesel fuel, the main advantages in: 

  1. uniform heating, to ensure that the heating workpiece core table temperature difference is small, through the temperature control system can be fine control of the temperature, to ensure that the product repeat accuracy.

  2. The equipment designed to protect the function such as over-current protection, underwater protection, overheating protection, over-voltage protection, short circuit protection, phase failure protection, etc.The method greatly increased the reliability of the equipment is also convenient for the maintenance of the equipment.

  3. The equipment has various display functions such as frequency display, current display, voltage display and power display, which makes the working condition of the equipment intuitive and provides more guidance for the design of induction loops and capacitor adjustment.

  4. The copper electrolysis is of good quality and can recover valuable metals from the copper ore.