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◎ During the operation of the low-speed rotating stirring screw, the centrifugal force, gravity, and friction cause the grinding medium and material to achieve an orderly cyclical movement and a macroscopic force balance. Inside the stirring screw, the material rises in a spiral motion at a speed lower than the lifting speed, while it descends in a spiral motion between the inner lining and the outer edge of the screw. However, at the microscopic level, the uneven force distribution creates dynamic speed differences and force changes, resulting in the material being subjected to strong compression, grinding, and a combination of force-induced breakage, micro-shearing, and splitting. Qualified material is conveyed upwards with the conveying medium, undergoes internal classification, and then flows out from the top of the stirred mill body by gravity.
I. Multiple Sealing and High-Efficiency Transmission
Utilizes multiple sealing technology on the drive shaft to effectively prevent dust from entering the bearings, extending their service life.** A planetary gear reducer (with water/oil cooling and temperature alarm) is directly connected to the Y-series motor, resulting in high transmission efficiency and low energy consumption. The segmented design of the main shaft facilitates maintenance, achieving stable low-speed operation and macroscopic force balance.
II. Optimized Liner Design
The cylinder grid liner is bolted together for easy installation and replacement. The grinding media forms a protective layer, reducing wear. The spiral liner is made of high-chromium wear-resistant cast iron using precision casting technology, offering excellent wear resistance, ensuring dimensional accuracy and interchangeability, and extending the service life.
III. Intelligent Lubrication and Temperature Control System
An integrated centralized lubrication system provides timed and metered oil supply to bearings and bushings; the reducer features built-in water-oil cooling, and the motor is equipped with an air cooler. Temperature sensors monitor and alarm in real time to prevent overheating damage and ensure stable operation over long periods.
IV. Drive Safety and Structural Reinforcement
Based on finite element simulation design, the drive system has a safety factor of 2.5; the main frame is welded from Q355B material, and high-strength bolt connections ensure rigidity; integrated monitoring of multiple parameters such as bearing temperature, oil pressure, and motor current, with PLC control enabling automated operation and fault early warning.
V. Low Energy Consumption and Internal Classification
The orderly movement of the stirring medium reduces ineffective collisions, lowering noise, vibration, and heat generation. Internal classification is achieved by utilizing differences in material specific gravity, with qualified fine materials being preferentially discharged, reducing over-grinding. The system achieves energy savings of over 50%, adapting to both dry and wet process requirements.
| Specifications and Models | Selected Power（kW） | Effective Volume（m³） | Equipment Weight（t） | Processing Capacity（t/h） |
|---|---|---|---|---|
| HTM - 250 | 250 | 12.5 | 52 | 26 - 32 |
| HTM - 400 | 400 | 24.3 | 74 | 42 - 51 |
| HTM - 500 | 500 | 29.7 | 101 | 52 - 64 |
| HTM - 600 | 600 | 33.1 | 107 | 63 - 77 |
| HTM - 850 | 850 | 43.7 | 135 | 86 - 105 |
| HTM - 1000 | 1000 | 53.3 | 153 | 104 - 128 |
| HTM - 1120 | 1120 | 68.4 | 194 | 117 - 143 |
| HTM - 1200 | 1200 | 68.4 | 198 | 125 - 153 |
| HTM - 1500 | 1500 | 88.9 | 237 | 157 - 192 |
| HTM - 2000 | 2000 | 112.5 | 311 | 209 - 256 |
| HTM - 2500 | 2500 | 138 | 385 | 261 - 320 |
| HTM - 3000 | 3000 | 166.5 | 458 | 314 - 384 |
| HTM - 3500 | 3500 | 192.3 | 531 | 366 - 448 |
| HTM - 4000 | 4000 | 219.9 | 603 | 418 - 512 |