ZDZN TECH has independently developed high-performance ring roller mills and shaping machines, designed for the mechanical spheroidization of natural graphite.
The ring roller mill efficiently grinds flake graphite into fine powder, creating favorable conditions for the subsequent shaping process. During grinding, the powder surface is modified, enhancing specific surface area and tap density. These improvements significantly boost electrochemical performance, leading to higher first coulombic efficiency, greater reversible capacity, and excellent cycle stability in lithium-ion batteries.
Adopting a multi-stage structure with multiple temperature zones and a wrapped inner wall uniform heating process to improve material yield and quality.
The rotary furnace can achieve energy recovery and utilization, and the heat generated by the incineration of volatile raw materials can be reused in the furnace. Through the waste heat recovery system, the recovered heat is used for heating and drying.
Designed for natural graphite coating granulation process, the quality of granulation particle size can be adjusted, and the particle size distribution is concentrated.
Equipped with monitors that provide real-time feedback on equipment status, effectively controlling the separation, purification, and treatment of exhaust gases, acidic gases, etc.
Adjustable residence time and process of materials in the furnace to meet the time, temperature zone and control temperature requirements of different materials.
The gas pipeline system is equipped with a high-temperature purifier to filter dust, and the pipeline has smoke and gas tracing function to ensure that tar does not condense.
Surface treatment of electrode materials, such as coating or doping, to reduce side reactions with the electrolyte.
Coating a stable layer of material on the surface of the anode material to reduce side reactions and enhance structural stability.
| Parameter | Value |
| Capacity | 15 ton per day |
| Operating temperature | ~1050 ℃ |
| Discharge temperature | ≤80 ℃ |
| Power | 925 kW |
| Temperature zones | 12 |
| Furnace atmosphere | Oxygen / Nitrogen |
| Atmosphere consumption | 15-25 m³/h |
| Cooling water consumption | 50-70 m³/h |
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