TQSF Series Gravity Grading Destoner
Capacity: 4-2-t/h
The TQSF Series Gravity Grading Destoner is an advanced grain cleaning machine designed to remove small stones, clods, and heavy impurities from wheat, rice, maize, and other grains. It works on the principle of different specific gravity and airflow, ensuring efficient separation of stones while maintaining minimal grain loss. As an essential part of the […]
The TQSF Series Gravity Grading Destoner is an advanced grain cleaning machine designed to remove small stones, clods, and heavy impurities from wheat, rice, maize, and other grains. It works on the principle of different specific gravity and airflow, ensuring efficient separation of stones while maintaining minimal grain loss. As an essential part of the grain cleaning section in flour milling plants, rice mills, and maize processing lines, this destoner helps guarantee food safety and high-quality end products.

Technical Parameters of TQSF Gravity Grading Destoner
| Model | Capacity (t/h) Wheat | Capacity (t/h) Rice | Capacity (t/h) Maize | Air Flow (m³/h) | Power (kW) | Dimension (L×W×H)(mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| TQSF80a | 4–6 | 4–6 | 4–6 | 6700 | 0.25×2 | 1550×1300×1650 | 540 |
| TQSF100a | 7–10 | 6–8 | 6-9 | 8400 | 0.3×2 | 1650×1500×1780 | 615 |
| TQSF125a | 10–15 | 8–13 | 9–12 | 11500 | 0.3×2 | 1680×1750×2160 | 690 |
| TQSF150a | 15–18 | 13–15 | 12–14 | 14000 | 0.55×2 | 1680×2000×2160 | 730 |
| TQSF180a | 17–22 | 16–18 | 15–17 | 16800 | 0.55×2 | 1680×2300×2160 | 900 |
Key Features of TQSF Gravity Destoner


1、Adjustable sieve inclination and air volume, suitable for different grain processing industries.
2、Equipped with imported rubber springs on all four corners, ensuring low vibration, reduced noise, and stable operation.
3、Vibration motor adopts the well-known brand “Baofei Youste,” providing low energy consumption and stable performance.
4、High separation efficiency, effectively removing small stones and side-by-side stones from grain flow.
5、External fan connection and fully sealed structure, preventing dust leakage and ensuring an environmentally friendly working environment.
Application in Grain Processing
The TQSF destoner is widely used in:
- Wheat flour milling plants to remove stones, sand, and soil particles.
- Rice mills to separate husks, stones, and heavy impurities.
- Maize milling plants to ensure clean raw corn before grinding.
- Feed processing plants to improve feed quality by removing harmful stones and impurities.
Voson provides advanced grain cleaning equipment with stable quality, reliable performance, and long service life. The TQSF gravity destoner is easy to integrate into different wheat milling, maize milling, and rice processing lines, ensuring clean raw materials and efficient production.
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