Silo for maize andor grass

The complete harvest (MS = 750Mg/a) of maize (density pS = 0.7 Mg/m3) ofone year shall be stored in a concrete silo, which is accessible to traffic. The dimensions can be freely chosen. The gras is dried and stored on fields.

Design

410 | Attachment I Typical design calculation for an agricultural biogas plant Silo conveyors

Two screw conveyors in series with nominal capacity VSC = 1m3/h each and motor capacity PSC = 5 kW each are driven between silo and preparation tank twice a day for tSC=1h/d.

Design

Total power consumption of the two screw conveyors: (PSC)tot=2 PSC • 2 • tSC/24h = 2 ■ 5kW ■ 2 ■ 1h/24h = 0.8kW

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