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US 4,793,529 AGranted
Emptying device for a bulk silo
AssigneeClaudius Peters AG
InventorsWerner Krauss, Karl-Heinz Matthies
Life of this patent
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Abstract
The emptying device for a bulk silo (1) with flat or slightly inclined silo bottom (8) comprises an outer slope (2) and open air transport grooves (7) distributed over the silo bottom (8). The air driven conveying chutes (7) extend radially to a ventilated annular chamber (3) located inside the outer slope (2) of the silo bottom (8), the bottom of which annular chamber is provided with open air driven conveying chutes (4) and is inclined toward the discharge opening (5). The bottom of the annular chamber (3) is located lower than the silo bottom (8).
Claims5
A silo for bulk material comprising:
- a vertical silo housing (1) having an inclined bottom wall (8) terminating within a ventilate annular chamber (3);
- a circumferential inwardly sloped wall (2) from a vertical wall of said silo housing, spaced above said bottom wall (8) and over said annular chamber (3);
- a plurality of openings (6) between said sloped wall (2) and said bottom wall (8) leading into said annular chamber (3);
- said annular chamber (3) having a bottom wall lower than the bottom wall of the silo and downwardly inclined towards the vertical axis of the silo to a plurality of spaced apart discharge openings (5);
- a plurality of radially extending open air driven conveying chutes (7) distributed over the bottom wall (8) of the silo, through said openings (6) and terminating within said annular chamber (3);
- and a plurality of circumferentially arranged air driven conveying chutes (4) on said bottom wall of said annular chamber (3) directed towards said discharge openings (5).
3 more elements
Dependencies are inferred from the claim text.