The Rotary Drum Pre-Cleaner: An Essential Solution for Silo Storage Efficiency
In modern grain handling operations, the journey from field to storage is fraught with challenges. Harvested grain arrives at reception facilities carrying a wide array of impurities—straw fragments, corn cobs, stones, paper, rope ends, wood pieces, leaves, and other field debris. These contaminants not only compromise grain quality but also pose serious risks to storage infrastructure and downstream processing equipment. This is where the rotary drum pre-cleaner emerges as an indispensable solution, particularly in silo storage applications.
The rotary drum pre-cleaner is a critical first-line solution for silo storage facilities. It removes large impurities (straw, stones, rope, cobs) and fine contaminants (dust, broken kernels) before grain enters the silo, protecting bucket elevators, conveyors, and dryers from damage. By ensuring only clean grain is stored, it prevents moisture pockets, mold growth, and insect infestation, thus preserving grain quality and reducing post-storage losses. The machine works via a rotating cylindrical screen that separates materials by size, with self-cleaning brushes to avoid clogging. It offers high throughput (up to 375 t/h), low energy consumption, compact design, and minimal maintenance. Installed at the intake point—before drying or silo entry—it significantly lowers maintenance costs, extends equipment life, and enhances overall operational efficiency for wheat, corn, rice, soybeans, and other grains.
| Type | TCQYS85*190 | TCQYS100*320 | TCQYS100*420 | TCQYS125*320 | TCQYS125*420 | TCQYS125*520 | |||
| Capacity（t/h） | Wheat | Mesh Size (mm) |
Φ22 | 30-60 | 70-110 | 100-140 | 80-140 | 110-170 | 120-190 |
| Φ20 | |||||||||
| Φ18 | |||||||||
| Φ16 | |||||||||
| Outer sieve plate aperture(mm)Φ22 | |||||||||
| Corn | Mesh Size (mm) |
Φ24 | 30-60 | 80-110 | 100-150 | 100-150 | 120-170 | 130-190 | |
| Φ22 | |||||||||
| Φ20 | |||||||||
| Φ18 | |||||||||
| Outer sieve plate aperture(mm)Φ22 | |||||||||
| Soybean | Mesh Size (mm) |
Φ24 | 30-70 | 60-120 | 100-150 | 90-150 | 120-180 | 130-200 | |
| Φ20 | |||||||||
| Φ18 | |||||||||
| Φ16 | |||||||||
| Φ14 | |||||||||
| Outer sieve plate aperture(mm)Φ22 | |||||||||
| Rice | Mesh Size (mm) |
Φ24 | 30-40 | 60-80 | 80-120 | 80-110 | 100-140 | 120-160 | |
| Φ22 | |||||||||
| Φ20 | |||||||||
| Outer sieve plate aperture(mm)Φ22 | |||||||||
