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Powder and Bulk Solids Handling
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Rotary Airlock Valves
Aspect Typical value or condition Planning use Vane count Typically 6, 8, or 10 vanes per rotor Vane count affects…
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Preventing Conveying Line Blockages
A line that ran cleanly last week starts to surge and deliver less. The usual pneumatic conveying line blockage causes…
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Pneumatic Conveying Systems
Conveying mode Air velocity Air pressure Other design marker Planning use Dilute phase Typically 18–35 m/s Up to 1 bar…
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Screw Conveyor Basics
How does a screw conveyor work? A spinning, corkscrew-shaped flight inside a trough pushes material forward by positive displacement and…
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Dilute Phase vs Dense Phase Conveying
Criterion Dilute (lean) phase Dense phase Planning use Air velocity 15-30 m/s 3-8 m/s, at higher pressure Velocity is the…
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Mass Flow vs Funnel Flow
Mass flow vs funnel flow comes down to wall slip. Choose mass flow for cohesive, caking, flood-prone or segregating powders.…
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Belt Conveyors for Bulk Materials
A belt conveyor for bulk materials suits high flow rates, but spillage, carryback and dust decide whether it runs cleanly.…