In the resource recycling of waste lead-acid batteries, the rotary kiln and refining furnace are indispensable core equipment. Each performs its own duties, bringing new life to discarded batteries.
Rotary Kiln: The Pioneer of Rough Smelting, Unlocking Lead Resources
As the first key process in the smelting stage, the rotary kiln undertakes the core mission of "raw material conversion". Driven by high temperatures ranging from 1000℃ to 1200℃, it processes materials such as lead paste and lead grids after crushing and separation. The rotation of the cylinder ensures full reaction of materials, realizing the melting and initial separation of lead. Whether it is waste materials with low lead content or smelting residues, it can handle them efficiently, converting complex raw materials into crude lead and laying a solid foundation for subsequent purification. Meanwhile, with its high recovery rate and eco-friendly design, it reduces resource waste and pollution.
Refining Furnace: The Expert of Purification, Producing High-Quality Lead
If the rotary kiln is responsible for "rough processing", the refining furnace is the key to "precision processing". It receives the crude lead from the rotary kiln and removes impurities such as antimony and arsenic through precise temperature control and the action of refining agents. Advanced refining furnaces can also improve efficiency through uniform heating design and reduce pollution with the help of flue gas purification systems. Eventually, crude lead is purified into high-purity refined lead, which meets the standards for lead ingot production or lead alloy preparation.
From raw materials to finished products, the "melting and separation" of the rotary kiln and the "impurity removal and purification" of the refining furnace form a perfect synergy. They enable the efficient recycling of valuable resources in waste lead-acid batteries, protecting the environment while creating sustainable value.
