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Surge Bin/Airlocks

As switchgrass is dumped into the surge bin, the material is in final processed form and ready to be sent to the OGS boiler for firing. The surge bin is essentially a staging container that holds switchgrass before it enters the pneumatic transport system. Two screw feed conveyors at the bottom of the bin push the switchgrass into the rotary airlocks.

The rotary airlocks transport switchgrass from the surge bin into the pressurized pneumatic transport pipes. This equipment allows for the transfer of material into the pneumatic pipes without any loss of pressure.