Dense phase pneumatic conveying systems are used when the product quality is of highest interest. They minimize changes in bulk densitiy and particle size distribution and limit seggregation effects.
The absence of rotating parts in pressure vessels reduce maintenance cost, the advantageous ratio of product to conveying gas make our systems energy efficient.
Pressure vessels are utilized within dense phase conveying systems to introduce the bulk solids into the pipeline. Contrary to using rotary valves, the system has no leakage and is absolutely gas tight.
This allows a high pressure range from 1barg up to 6barg or more. The high loading and low velocity leads to gentle conveying and low wear of pipeline and receiver.
With dense phase conveying systems, the transport of bulk solids is possible from short distances up to long distances of several hundred meters.
|A pressure vessel is loaded from silo big-bag unloader or process equipment, i.e. mixer. The operation cycles include the refilling, applying of pressure and conveying of bulk material as plug or dune to the receiving hopper.|
The solids are conveyed as a continous layer with the "DenseFlow" PHF conveying system operating at moderate gas velocities of 15-25 m/s.
The solids are conveyed in moving bed flow as a dune on the bottom of the pipeline with the "DenseFlow®" PHF conveying system operating at moderate gas velocities of 10-25 m/s.
The solids are conveyed as a pulsed plug with the "PulseFlow" PTA conveying system operating at low gas velocities of 4-12 m/s.
The solids are conveyed as a pulsed plug with the patented "PulseLine" PTA PL conveying system operating at low gas velocities of 4-12 m/s over an extended conveying distance and with maximum process safety with exernal air injectors equipped along the pipeline.
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