Lean (Dilute)
Vacuum Conveying - Lean Phase
Lean or dilute phase vacuum conveying systems generally use positive displacement exhausters to provide a vacuum (up to 50%) to convey materials through a pipeline to receiving vessel where the air and product are filtered and separated. Lower capacity fan-based systems are also available.
Applications
Lean phase vacuum systems are particularly suitable for conveying low to moderate capacity materials over medium distances, from multiple points to a single destination. They are versatile and adaptable, and their low operating pressures allow less expensive pipelines and fittings to be used. This method is frequently used for central vacuum cleaning systems or to draw product from multiple silos and other applications that require a reticulated network of vacuum pipes to convey product to a single collection point.Specifications
| Convey Rates: | < 10 tonnes/h. |
| Convey Distances: | up to 100 m |
| Air mover: | positive displacement (Roots Type) exhauster or fan |
| Operating Pressure: | <50% vacuum |
| Air Ratios: | low to medium |
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