Drying is a key step before crops storage, which can prevent seed germination and inhibit bacterial growth. Therefore, the air flow-rate is a decisive factor in drying efficiency.
The perforated metal provides a good solution for grain drying. It has high strength and can support a large amount of grain particles, and the flowing air can take away the moisture through the holes.
Mild steel and stainless steel are the commonly used materials, and 60° staggered round hole is the most popular pattern.
60° staggered round hole perforated screen for corn drying.
Stainless steel round hole perforated metal for coffee bean drying.
