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THE CALCULATORS

Closed-Circuit Grinding with Classification

Calculates recirculating load and total mill throughput for a closed-circuit grinding system based on classifier efficiency and fresh feed rate.

📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
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1. Define Input Parameters

2. Engineering Output

Recirculating Load (R)
- kg h⁻¹
Total Mill Throughput (M)
- kg h⁻¹

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Context & Assumptions

Closed-circuit grinding recycles oversized particles back to the mill, improving throughput and energy efficiency. Accurate prediction of recirculating load is essential for equipment sizing and control tuning.

Understand the Engineering Principles

Review the step-by-step derivations, typical industrial limits, and scale-up rules.

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