Tech Team · Kintek Solution

To melt copper with induction, a medium frequency induction furnace is used. This process involves several key steps and considerations to ensure efficient and high-quality melting.

Summary of the Process:

1. Material Feeding and Melting Sequence: The process begins with the proper feeding of copper alloy into the furnace and following a specific melting sequence.
2. Induction Heating Mechanism: The furnace uses electromagnetic induction to heat and melt the copper. This involves passing an alternating current through a copper coil, which generates a magnetic field that induces eddy currents in the copper alloy, leading to its heating and eventual melting.
3. Temperature Control and Quality Assurance: The furnace can reach temperatures close to 2000°C, suitable for melting copper alloys. The stirring effect caused by the magnetic force helps in the uniform distribution of heat and removal of oxides, enhancing the quality of the melted copper.

Detailed Explanation:

1. Material Feeding and Melting Sequence:

   • Feeding Principle: The copper alloy is carefully loaded into the furnace. The choice of material feeding method can affect the efficiency and quality of the melting process. Proper feeding ensures that the material is distributed evenly within the furnace, facilitating uniform heating.
   • Melting Sequence: The sequence in which different components of the copper alloy are introduced can impact the melting efficiency and the final properties of the melted copper. This sequence is determined based on the specific properties and requirements of the copper alloy being melted.

2. Induction Heating Mechanism:

   • Electromagnetic Induction: The medium frequency induction furnace operates by passing an alternating current through a water-cooled copper coil. This coil acts as the primary of a transformer, with the copper alloy serving as the secondary. The alternating magnetic field induces eddy currents in the copper alloy, which generate heat due to the electrical resistance of the material.
   • Stirring Effect: The magnetic forces generated during the induction process also cause a stirring effect in the melting pool. This helps in the uniform distribution of heat and aids in the floating of flux and oxides, which can be removed to improve the quality of the melted copper.

3. Temperature Control and Quality Assurance:

   • Temperature Range: The furnace can achieve temperatures close to 2000°C, which is sufficient for melting most copper alloys. Precise temperature control is crucial for maintaining the desired properties of the melted copper.
   • Quality Enhancement: The stirring effect not only aids in temperature uniformity but also helps in the removal of impurities such as oxides. This results in a higher quality end product, suitable for various industrial applications.

Conclusion: Using a medium frequency induction furnace to melt copper involves careful management of material feeding, leveraging electromagnetic induction for heating, and maintaining precise temperature control to ensure the production of high-quality melted copper. This process is efficient, clean, and well-suited for industrial applications requiring precise control over metal melting.

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