Detailed Project Report (DPR) on MELTING OF COPPER AND ROLLING PROCESS FOR GETTING CIRCLES

Copper scrap is highly suitable for recycling because copper retains significant value and can be recovered for further industrial use. The material is relatively easy to identify, clean, collect, and process. Scrap can come from electrical wires and cables, plumbing components, manufacturing operations, machinery, water systems, and other applications. Proper segregation is essential because contaminants such as solder, tin, zinc, or other metals can affect the suitability of the scrap and may require additional refining or treatment.

Common copper scrap sources include factory scrap, copper tubes, electrical machinery components, wires, power cables, plumbing pipes, pipe joints, valves, copper cylinders, boilers, and water heaters. The suitability of each scrap stream depends on its composition and contamination level. Copper containing tin may have applications in bronze production, while solder-contaminated copper may need purification or refining. Sorting and removing unsuitable joints or contaminants before melting can help maintain better control over the quality of the molten metal.

Segregation is important because different copper scrap streams can contain different alloying elements and contaminants. Solder, zinc, tin, and other unwanted materials can alter the composition of the melt and affect subsequent processing. For example, solder-contaminated copper may require refining, while copper containing tin can be directed toward appropriate alloy production when its composition is suitable. Separating scrap before charging the furnace therefore supports more consistent melting, better process control, and improved quality of the material intended for rolling.

Equipment for copper melting and rolling can include scrap preparation facilities, melting furnaces, casting or metal-forming equipment, rolling machinery, and auxiliary finishing equipment. The report specifically covers copper melting furnaces and a roll grinding machine, along with suppliers of plant and machining equipment. Supporting facilities may also be required for material handling, inspection, surface treatment, and process control. The final equipment configuration depends on the selected raw materials, product specifications, production method, and desired quality of the finished copper circles.

Important quality factors include chemical composition, physical properties, dimensional accuracy, thickness, surface condition, and conformity with applicable specifications. The melting stage must produce material with controlled composition, while rolling operations must achieve the required dimensions and tolerances. Proper preparation of the copper scrap is also important because contaminants can adversely affect the resulting material. Inspection and process control throughout melting, mechanical working, and finishing help ensure that the finished copper circles meet the intended application and quality requirements.