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Conveying


Handling abrasives HC conveyors from Cyclonair make moving difficult materials easier


HC series semi-dense phase conveyors from Cyclonaire Corporation offers a new range of high-capacity semi-dense phase pneumatic conveying for single or multiple ingredients. They are designed to handle materials that are abrasive and fluidizable. Standard units have conveying capacities up to 80 tonnes per hour and more, depending on model and application. HC conveyors can be used for bulk bag, railcar, and trailer unloading and in-plant transfer. Equipped with optional load cells, HC conveyors can weigh and batch and provide inventory control. HC series conveyors use only positive air pressure for both vacuum loading and pressurised conveying, and Cyclonaire makes high-efficiency medium-pressure blower packages specifically tailored to the job. A proprietary Cyclonaire venturi assembly creates the vacuum used for loading. In vacuum mode, the conveyor fills its transfer vessel by drawing material from one or more storage silos, hopper-bottom railcars, trailers, or other supply sources. Cycling between loading the transfer


vessel and unloading it is automatic. A high-level control senses when the transfer vessel is full and automatically switches to the pressurized discharge mode for conveying material from the vessel to its destination. Integral dust separation minimizes venturi wear.


Side inlet loading is an option for applications with limited headroom. Side inlets reduce both overall and vacuum height and may be located low in the transfer vessel for fine, aeratable materials. Because HC units operate only on positive airflow, there is no need for high-maintenance filtration. Standard automated controls allow for minimal operator supervision. A variety of control options are available that can be integrated into existing plant control platforms.


Conventional conveying systems often have significant problems with particle degradation, abrasion, and system wear when moving abrasive materials like cement. But because of their unique design, Cyclonaire HC conveyors are inherently


14 Solids & Bulk Handling • October 2011


www.solidsandbulk.co.uk


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