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Dense Phase Pressure Conveying Systems Dense Phase Pressure Conveying systems, as illustrated here, are used in applications calling for the transport of hard to handle materials. In this system, materials are unloaded from a railcar to silos with subsequent on-demand delivery of products to in-plant process bins. In a typical Whirl-Air Dense Phase Pressure Conveying system, the railcar is spotted over a track mounted hopper/transporter. Material is discharged from railcar into transporter. The vessel fills then pressurizes, conveying the material to a selected silo. This system can be set up with manual or automatic switching, utilizing precision Whirl-Air two and three-way switches. In the system shown above, the system is manual. From silos, screw conveyors feed the materials into a weigh-hopper for down-stream on demand conveying to use bins. Typical dense phase pressure conveying systems of this configuration are capable of conveying 10 to 100 tons per hour. A variation to the in-ground dense phase system is totally above ground, dense phase high-vacuum unloading system. |
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