Features: 1. Hot air modification process to reduce pollution and wear 2. Built-in classifier to improve product fineness 3. Hot air recycling, greatly saving energy consumption 4. High-precision temperature control system, using PLC to automatically control process parameters 5. Adjustable dosing design, suitable for different additives (such as stearic acid and coupling agent) and compound modification 6. Wear-resistant and anti-pollution insulation cylinder, further reducing energy consumption