SED-20SDW-C — Mikrowellen-Tunneltrockner
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SED-20SDW-C tunnel microwave dryer rated at 20 kW microwave output (23 kW total connected load). 2450 MHz frequency, 2 microwave cavities, top-fed standard rectangular waveguide, ≥20 dB inter-feed isolation, VSWR <2 at r
Funktionsweise
Product travels on a PTFE conveyor through two top-fed 2450 MHz microwave cavities housed in a tunnel chamber with leakage suppressors at each end. Magnetrons (Panasonic/Toshiba) deliver up to 20 kW of microwave energy whose dipole excitation of water molecules drives volumetric heating. A central PLC reads the German Optris IR pyrometer aimed at the bed and modulates microwave power to hold the setpoint (50-150 °C). A bottom-in/top-out airflow scheme uses a 0.75 kW centrifugal fan and PVC ducting to lift the released water vapour out of the cavity and vent it outdoors via a roof stack.
