Introduction to Destoner Machines
The TQSF gravity destoner efficiently removes stones, pebbles, glass fragments, and other high-density impurities from grain raw materials. Its processing capacity depends on the type of grain and impurity content. Employing advanced grain cleaning technology and precision manufacturing, this grain destoner machine provides reliable, high-efficiency separation performance, large throughput, low noise levels, minimal dust emission, and convenient operation and maintenance. It is essential equipment for modern grain processing lines, rice mills, oilseed pretreatment plants, and seed cleaning facilities.
Gravity Destoner Technical Data
| Model | Capacity(t/h) | Amplitude(mm) | Suction air volume(m³/h) |
|---|---|---|---|
| TQSF43 | 1-1.5 t/h | 3000 m³/h | 4-5 mm |
| TQSF60 | 3-5 t/h | 4500 m³/h | |
| TQSF80 | 5-7 t/h | 6000 m³/h | |
| TQSF100 | 7-9 t/h | 8000 m³/h | |
| TQSF150 | 11-14 t/h | 12000 m³/h |
Working Principle & Technical Features
This destoner machine employs a double-layer sieve structure: the upper screen handles grading, while the lower screen specifically removes stones. Adjustable screen inclination and airflow volume ensure optimal cleaning results for various grain types.
- Processing Capacity: 1-14 t/h (wheat as an example).
- Applicable Materials: Wheat, rice, corn, soybeans, sorghum, millet, chickpeas, coffee beans, and other granular crops.
- Separation Capability: Efficiently removes stones, soil, glass fragments, clods, and heavy impurities.
- Air Suction Function: External air system effectively eliminates light impurities like weed seeds, dust, and husks, enhancing overall grain quality.
This machine integrates a destoner, blower, vibrating sieve, and grading system into one unit, widely used in grain cleaning lines, rice milling systems, oilseed pretreatment workshops, flour mills, and feed processing plants. An optional independent suction duct ensures stable high airflow even in demanding processing environments.
Main Advantages of the TQSF Gravity Destoner
- Modular compact design with stable structure and easy installation.
- Efficiently separates stones and heavy impurities from grains with a single machine.
- Dual-layer separation system delivers high throughput and exceptional cleaning performance.
- Adjustable screen inclination and controllable airflow adapt flexibly to diverse grain processing requirements.
- Multiple vibration frequencies and optimized screen angles ensure high-precision separation.
- Dual-motor vibration drive system operates smoothly with stable performance.
- Robust mechanical components minimize maintenance requirements and extend service life.
Application of Gravity Destoners in Oilseed Pretreatment
In oil mill plants—such as soybean oil plants, sunflower seed processing lines, peanut oil extraction plants, and various cottonseed or rapeseed pretreatment systems—grain destoner machines play a critical role. Removing stones and heavy objects protects downstream equipment like flakers, crushers, and screw presses, ensuring stable operation and extended service life. Efficient stone removal enhances raw material purity and helps maintain consistent oil yield and quality during extraction.
Why Choose Huatai?
As China’s leading manufacturer of oilseed processing and grain cleaning equipment with over 30 years of experience, Huatai offers:
- Customizable grain cleaning solutions
- Highly reliable destoners
- Complete oil mill engineering design (pre-treatment, pressing, oil extraction, refining)
- Professional technical support and installation services
Whether you require a single gravity grading destoner or a fully integrated grain processing line, we are ready to support your project.