Impact of Particle-Size Control on Bulk-Solids Flow Behavior

By McKinnon Ray and Eric Maynard, Jenike & Johanson, Inc.

Particle size matters.

When it comes to processing bulk solids, whether in mining, food production, or pharmaceuticals, particle size is a key factor in determining how materials will flow through equipment. But particle-size control doesn’t just affect the grinding or screening processes—it can have a profound impact on your entire solids-handling system.

In this whitepaper, we explore the critical connection between particle size and flowability, and how improper particle-size control can cause significant process disruptions and safety hazards.

Why This Whitepaper Is Essential Key Takeaways from this Whitepaper:

• The impact of comminution and screening on flowability: Learn how different size-reduction and screening methods can affect the material’s flow characteristics.
• Real-world case studies: Discover how improper particle size control led to operational problems in industries ranging from mining to food processing.
• Practical solutions: Explore scientifically-backed approaches to prevent flowability issues and optimize material handling processes.

Common Particle-Size Control Problems

• Cohesive Bridging: Material adheres to itself, forming an arch and causing blockages at bin outlets, leading to “no-flow” conditions.
• Mechanical Interlocking: Coarse, anisotropic materials interlock, creating stable arches that block material flow.
• Ratholing: A stable, open channel forms above the bin outlet, leading to stagnant material around the flow channel, reducing storage capacity.

Why This Whitepaper Is Essential

Particle-size control is not just about efficiency—it’s about preventing costly mistakes and optimizing your operations. Improper particle-size management can lead to:

• Reduced throughput
• Increased downtime
• Product quality issues
• Safety concerns

By downloading this whitepaper, you’ll gain valuable insights into how to effectively control particle size, improve flowability, and prevent issues that can disrupt your operations. Learn how to assess the risks of size reduction processes and implement strategies to maintain smooth, uninterrupted flow.

Download the Whitepaper Now!

Complete the form below to access the full whitepaper and start optimizing your bulk-solids flow today.