Rotary furnace for recycling used lead-acid batteries: an efficient solution for green recycling

#Industry ·2026-04-14

With increasingly stringent environmental protection requirements and the growing demand for resource recycling, the treatment of waste lead-acid batteries has become a focus of the industry. Rotary furnace technology, with its high efficiency and environmental friendliness, is becoming a key equipment in this field, providing strong technical support for the harmless disposal and resource recovery of waste batteries. **Core technical advantages** The rotary furnace adopts the principle of high-temperature smelting. By rotating the furnace body, the materials are uniformly heated, enabling the effective separation of components such as lead paste and grid plates. Its operating temperature can reach over 1000°C, which not only completely decomposes organic matter but also reduces lead compounds to metallic lead, with a recovery rate exceeding 95%. At the same time, the closed design combined with advanced exhaust gas treatment systems can effectively collect harmful gases such as sulfur oxides, ensuring that emissions meet environmental standards. **Significant application value** This equipment is not only suitable for large-scale recycled lead enterprises, but also can be adapted to small and medium-scale processing lines. Through an automated control system, it achieves precise management of processes such as material feeding, smelting, and slag removal, significantly reducing the risk of manual operation and energy consumption. For every ton of waste batteries processed, about 600 kg of recycled lead can be recovered, reducing the environmental pressure caused by the mining of primary lead ore and achieving a win-win situation in economic and environmental benefits. **Broad industry prospects** With the annual global waste lead-acid battery volume exceeding 100 million tons, rotary furnace technology will continue to be iteratively upgraded, integrating the Internet of Things and intelligent monitoring systems to further improve processing efficiency and resource recovery purity. This green technology will surely promote the improvement of the circular economy industry chain and inject new impetus into sustainable development. Choosing a rotary furnace is not only about selecting high-efficiency equipment, but also about fulfilling corporate social responsibility and jointly protecting the green environment.

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Jiangxi Mingxin Metallurgy Equipment Co., Ltd