APPARATUS FOR DISCHARGING BULK MATERIAL
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United States of America Patent
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Issued Date -
Aug 8, 2013
app pub date -
Dec 12, 2011
filing date -
Dec 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for discharging bulk material from a container containing gas includes a single-shaft screw conveyor including a conveying tube having an axis of symmetry. A purge tank is disposed downstream of the screw conveyor with the conveying tube opening into the purge tank. The purge tank includes ports for a supply and discharge of a purge gas stream and an outlet opening for the bulk material. A closing cone with a cone tip and an axis of symmetry is shiftably mounted on its axis of symmetry. The closing cone is pressed with the cone tip from outside into an outlet opening of the conveying tube. The axis of symmetry of the closing cone coincides with the axis of symmetry of the conveying tube.
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