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Pyrolysis and carbonization equipment for waste lithium batteries in South Korea
The operational process of lithium‑battery pyrolysis and carbonization equipment is straightforward: it consists of four main steps—pre‑treatment, pyrolysis and carbonization, product separation, and environmentally friendly treatment.
Keywords:
Lubricating oil
Vacuum
Portable
Precision
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Product Description
The operational workflow of lithium‑battery pyrolysis and carbonization equipment is straightforward: it consists of four main steps—pre‑treatment, pyrolysis and carbonization, product separation, and environmentally friendly disposal—and runs fully automatically with minimal manual intervention.
Preprocessing: The spent lithium batteries are disassembled, discharged, crushed, and sorted to separate copper–aluminum fragments and black powder (a mixture of positive and negative electrode materials), with impurities removed, thereby preparing the material for subsequent pyrolysis.
Pyrolytic carbonization: The pre-treated feedstock is fed into the pyrolysis furnace via an explosion-proof feeding system. The furnace maintains an oxygen-free environment (oxygen content ≤ 2%), and precise temperature control (500–800°C) induces thermal decomposition of organic components such as electrolytes and binders, converting them into combustible gases. Meanwhile, materials like separators are carbonized into carbon black, while metallic components (e.g., lithium, cobalt, nickel, copper, aluminum) retain their original physical form.
Product separation: The combustible gases generated during pyrolysis, after purification, can be recycled for equipment heating, enabling self-sufficient thermal energy and reducing energy consumption; the carbon black can be used as an industrial filler or further processed; and the metallic materials, through subsequent sorting, yield high-purity copper, aluminum, lithium, and other products that can be directly reused in battery production.
Environmental treatment: The small amount of flue gas generated during the pyrolysis process is treated through multi-stage processes, including cyclone dust collection, baghouse filtration, an quench tower, and acid–alkali absorption towers, before being discharged in compliance with emission standards. Emission concentrations of particulate matter, VOCs, and other pollutants are significantly lower than national limits, achieving zero external discharge across the entire “gas–liquid–solid” process.
In short, this system is like giving spent lithium batteries a thorough “deep clean,” effectively removing harmful organic compounds while preserving all valuable resources, thereby achieving the dual objectives of harmless disposal and high-value resource recovery.
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