Copper Electrolysis Machine


500-5000 Kg/Day

Raw Materials:

Scrap Copper, Crude Copper, Impure Copper, Copper Powder from PCB Recycling, etc.

Final Products:

99.99% Copper


Project Description

Copper Electrolysis Machine is used to Refine the copper from the mixed metal powder, copper purity 99.99%.

Anode plates are hung by their "handles" in electrolytic copper refining tank. Pure copper cathode sheets suspended on solid copper bars are inserted into the same tank, one sheet between each anode. When an electric current is passed from the anodes through the electrolyte to the cathodes, copper from the anodes moves into the solution and is plated onto the starter sheet. Impurities from the anodes settle to the bottom of the tank.

Copper Electrolysis Machine

The copper anode will be casting into anode plates in molds semi-automatically. After pretreatment removing of tin, lead, iron,aluminum starts charging of the copper material into the furnace which is followed by smelting process. When the impurities are removed follows the slag removal and phase of reduction with natural gas. Reduction is aimed to remove the free oxygen. After the reduction the process is ended by casting, where the final product is casted into the form of copper anodes.

Copper Anodes(Plates) Casting MachineCopper Anodes(Plates) Casting Machine

The refining anodes taken out from the refining furnace is changed into electrolytic copper with purity of 99.99% through an electrolysis process: During electrolysis, copper (II) ions leave the impure copper anode and since they are positive, migrating to the negative cathode. From time to time, the pure copper is scraped off the cathode. Impurities from the copper anode, such as gold, silver, platinum and tin, collect at the bottom of the electrolyte solution, deposited as anode slime.

The Specific Equipment Configuration Depends On The OutputThe Specific Equipment Configuration Depends On The Output

Scrap Copper, Crude Copper, Impure Copper, Copper Powder from PCB Recycling, etc.

The Separated metal part be smelted and cast into anode board for the process of copper electrolysis. since a large number of non-ferrous metals, rare earth metals and precious metals are used in the production of the circuit board , if in conventional electrolytic method, the anode often get passivated and causing electrolysis can not work normally. Here we suggest adopting pulse automatic pole changing electrolysis system, it not only solve the anode passivation problem effectively, but also help anode mud loose off. The time is set and adjusted arbitrarily by the control cabinet.

The electrolysis system is composed of a number of automatic IGBT power control module, belonging to digital pulse power equipment. Semiautomatic formwork mold is adopted during casting of the anode plate, and in order to shorten the electrolysis cycle, the anode thickness is generally controlled to 10 mm to 30 mm. In the electrolysis, Cu2+ obtains the the electron and turns into pure copper at the cathode.

At the same time, gold, silver, palladium and the platinum remains in the anode mud. the anode mud be washed, undertake reducing smelting and oxidation smelting in frequency furnace, then we can get the precious metal alloy block. Then have it water broken, and then through the precious metal to make liquid extraction separation and refining a variety of precious metals.

In the workshop, all place producing exhausting gas must be set up tail gas absorption device with the ozone, all places producing tail liquid must establish fluid diversion device, the tail liquid will be lead to the waste water treatment plant and be discharged or reused after meet the standard.

Copper Electrolysis Machine Craft Diagram

1. After processing the tail liquid can be consistent with national environmental requirements;

2. Automatic controlling, compared with other processes, labor costs can be reduced by 50%;

3. The exhaust gas treatment system can produce useful chemicals, creating added value;

4. Advanced technology make the electrolytic cycle much shorter.

Technical Parameter
Note : Processing capacities are the average value, depending on the capacity, the number of stand-alone units is different, Please inquire according to your needs.
ModelCapacity(Kg/Day)Energy Consumption(KWH)Electrolytic CycleCopper Capacity(Kg)Copper purity
TDJ-50050028015 Days/48H37099.99%
TDJ-1000100057015 Days/48H75099.99%
TDJ-20002000113015 Days/48H150099.99%
TDJ-50005000285015 Days/48H375099.99%

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Test and inspection

Before delivery, we all equipment will imitate the real production environment, use the customer need to deal with material test, to ensure the production line performance and production meet customer requirement. We sincerely invite customers came to the scene for final test.