Dilute Phase Vacuum Conveying System

Flexible, Clean & Reliable Powder Transfer Over Distances

Orchid’s Dilute Phase Vacuum Conveying Systems are designed for continuous and dust-free conveying of powders and granules using negative pressure. Unlike compact powder transfer systems meant for batch operations, this solution is ideal for medium-distance transfer, multi-point feeding, and flexible routing through pipelines.

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Working Principle

The system maintains a vacuum inside the conveying pipeline. As material is introduced from hoppers, bag dump stations, or silos, the air stream carries it at high velocity toward a receiving vessel. At the receiver, a filter system separates the material from the air before discharging it into the next process step.

👉 Because of the negative pressure, any leakage draws air inward — ensuring dust-free and safe operation.

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Key Features

• Continuous Conveying – Reliable medium-distance transfer up to 100m.
• Flexible Layouts – Works with bends, vertical lifts, and space-restricted plants.
• Multi-Point Feeding – Can collect from multiple sources into one receiver.
• Dust-Free Operation – Closed pipeline prevents contamination and spillage.
• Low Maintenance – Minimal moving parts, long-life filters, and easy cleaning.
• Hygienic Design – Stainless-steel construction with CIP/SIP options.
• Safe for Flameproof Zones – Engineered for compliance in controlled environments.

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Applications Across Industries

• Pharmaceuticals & Nutraceuticals → Transfer of excipients, nutraceutical powders, and formulation blends.
• Chemicals & Petrochemicals → Conveying additives, catalysts, and fine specialty powders.
• Food & Spices → Hygienic movement of sugar, starch, flour, cocoa, and spice blends.
• Brewery & Distilleries → Handling of malt, starch, and fermentation ingredients.
• Plastics & Polymers → Transport of pigments, resins, masterbatch powders, and small granules.
• Paints & Dyes → Dust-controlled handling of pigments and fillers.
• Power & Energy → Conveying of biomass powders and fly ash.

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Benefits for Your Plant

• Cleaner and safer working environment with dust-free transfer
• Flexibility in plant layout with pipelines that can navigate bends and height changes
• Improved process integration with multi-source to single receiver options
• Hygiene compliance for food and pharma applications
• Reduced manual handling and improved operator safety

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Technical Highlights

• Capacity Range: Few kg/hr – multiple tons/hr (continuous transfer)
• Conveying Distance: Up to 100m (short to medium range)
• Applications: Bulk powders like starch, flour, pigments, catalysts, biomass ash
• Construction: SS304/316L or carbon steel (depending on industry)
• Filter System: Pulse-jet cleaned cartridge receiver, optional HEPA
• Control System: PLC + HMI with batch or continuous conveying modes
• Special Add-ons: Multi-source feeding, flexible routing with bends & vertical lifts