Grain purifier for wheat and corn milling

Optimize grain processing with a high-throughput purifier designed to enhance purity and grading of semolina, middlings, and other grain products, ensuring consistent quality and efficiency in your milling operations.

The Polaris Purifier MQRG from Bühler Group is engineered to meet the rigorous demands of grain and semolina purification in wheat, durum wheat, and corn milling operations. This high-capacity machine features a wide 520 mm sieve and a stackable design, offering a substantial processing area to handle increased throughput. Utilizing continuous operation, it processes large volumes while ensuring optimal grain purification and grading for products like whole wheat flour, durum semolina, and cornmeal.

Its fully enclosed system aligns with high sanitation standards, meeting FDA, BRC, and IFS requirements, while all product-contact surfaces are accessible for easy maintenance and cleaning. Equipped with an adjustable airflow and air distribution system, the Polaris Purifier MQRG enhances energy efficiency, reducing power consumption. Integration into existing lines is seamless, with modularity for stacking and flexibility in diverse milling applications, delivering reliable performance across a multitude of grain processing tasks.

Benefits

  • Enhances processing efficiency with up to 20% increased throughput over similar-sized purifiers.
  • Optimizes energy use through controlled airflow and distribution, lowering operational costs.
  • Ensures product safety and quality with compliance to FDA, BRC, and IFS food sanitation standards.
  • Provides operational flexibility across various grains with a versatile design adaptable to different milling needs.
  • Simplifies maintenance with easy-to-access components, reducing downtime and ensuring continuous production.
Applications
Grains,Durum wheat,Middlings,Wheat,Semolina,Corn
End products
Polenta,Pasta flour,Whole wheat flour,Durum semolina,Bran,Cornmeal,Corn grits,Couscous,Wheat middling
Steps before
Grinding,Milling,Dehulling
Steps after
Sifting,Grading,Packing,Palletizing
Input ingredients
wheat,durum wheat,corn,semolina,middlings
Output ingredients
purified grain,graded semolina,graded middlings
Sieve Width
520 mm
Screen Length
4 × 500 mm
Throughput Capacity
Increases up to 20%
Automation
Control of airflow and air distribution
Stackable Design
Yes,stackable for doubled capacity
Automation level
Manual / PLC / SCADA
Batch vs. continuous operation
Batch / Inline Continuous
CIP/SIP
CIP 121°C / SIP 135°C
Cleaning method
CIP / Manual
Energy efficiency
0.5–2 kWh/kg moisture
Density/particle size
0.5–2.5 g/cm³ / 50–1000 µm
Machine footprint
Compact,stackable
Sieve width
520 mm
Screen length
4 × 500 mm
Sieve area
Large area for high capacity
Housing material
Stainless steel
Market info
Buhler is renowned for manufacturing advanced process solutions for food, feed, and advanced materials. They are highly regarded for their innovation in milling technology and equipment quality.