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ProTec Polymer Processing will introduce its SOMOS RDF modular resin drying system at K 2019, saying it offers flexible stationary use without a central dry-air generator. The system consists of individual operating units with their own controllers and dry-air supply, which depending on desired throughput, can be combined into a variable overall system with central visualization and control.

The dryers are available with capacities from 50 to 400 liters and drying temperatures of 60 to 140 C—high-temperature models up to 180 C are available. When interconnected, the modules can be managed with a common operator control. Each module has an integrated air generator. ProTec says that compared to a central drying system, SOMOS RDF takes up less space and has simplified installation since it doesn’t require extensive supply and return air piping.

The PLC-based controller, which ProTec describes as Industry 4.0-capable, can store up to 200 formulations. To boost energy-saving, the system’s drying air volume is automatically adapted to actual throughput while regeneration cycles are controlled on the basis of the actual water content of the pellets. The SOMOS RDF system will be part of a production cell at the company’s K stand.