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Belt Extractor Capacity Calculation

Calculates the required linear belt speed for a belt extractor to achieve a target mass flow rate of bulk solids, considering belt geometry and material bulk density.

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1. Define Input Parameters

2. Engineering Output

Target mass flow (hourly) (m_dot_target)
- t h⁻¹
Bulk density (t m⁻³) (rho_t_m3)
- t m⁻³
Cross-sectional area of load (Area)
-
Volumetric flow rate (Q)
- m³ h⁻¹
Belt speed (m h⁻¹) (v_m_h)
- m h⁻¹
Belt speed (m min⁻¹) (v_m_min)
- m min⁻¹

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Context & Assumptions

Belt extractors are widely used in process plants to control the withdrawal of bulk solids from hoppers or silos. This calculation determines the linear belt speed necessary to achieve a specified mass throughput. Proper sizing prevents both under-feeding and over-feeding of downstream equipment, ensuring stable process operation.

Understand the Engineering Principles

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

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