SED-20SZ-I — High-Efficiency Wet Mix Granulator
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SED-20SZ-I high-shear wet mix granulator. 20 L conical bowl (LABORTECNIC-style), optimum working volume 6-14 L (3-7 kg/batch at 0.5-0.6 g/mL bulk density). 35°-angle 4-blade impeller at 20-500 rpm via 3 kW VFD; side-moun
Funcionamiento
Powder is loaded into the conical 20 L bowl (manually, by vacuum loader, or by lift loader). A 35°-tilted 4-blade impeller (3 kW, 20-500 rpm) creates a tumbling mass while binder is sprayed in via the pressurized dual-fluid nozzle (60° cone, 0.1-1 mm droplets) from a peristaltic-fed binder tank. Simultaneously, the side-mounted chopper (0.55 kW, 20-2900 rpm) shears agglomerates. The combined action turns the powder into uniform hollow granules while the air-purge protects shaft seals. End-point control determines mix-time; the pneumatic discharge valve at the bowl bottom opens and the impeller sweeps the product into the next station (sizing or drying).
