Storage and mixing silo for bulk material
AssigneeKrupp Polysius AG
InventorsNorbert Ahrens, Heinrich Klockenbusch
Life of this patent
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Abstract
The invention relates to a storage and mixing silo for bulk material comprising a mixing compartment in the form of an annular chamber. The radial width and the height of the chamber are proportioned to the diameter of the silo, the chamber has a material inlet opening and a material outlet opening circumferentially spaced from one another, and the chamber has a plurality of independently aeratable zones.
Claims22
A storage and mixing silo for bulk material comprising an upstanding, cylindrical body having walls defining a storage compartment;
- radially inner and outer boundary walls and a base at the lower end of said body defining a mixing compartment having a lower annular chamber, said chamber and said storage compartment being in communication with one another via a material inlet opening in said inner boundary wall, and said outer boundary wall having at least one material outlet opening circumferentially spaced from said inlet opening;
- an overflow chute extending radially between said inner and outer boundary walls adjacent and in communication with said material outlet opening, said chute having upstanding overflow edges operable to determine the level of material in said mixing compartment;
- and air permeable means in said chamber extending circumferentially from said inlet opening to said outlet opening and forming a plurality of independently aeratable circumferentially extending zones, said annular chamber having a radial width of between about 0.25 and 0.37 times the diameter of said body and a height of between about 0.7 and 1.4 times said radial width.
A storage and mixing silo for bulk material comprising an upstanding, cylindrical body having walls defining a storage compartment;
- radially inner and outer boundary walls and a base at the lower end of said body defining a mixing compartment having a lower annular chamber, said chamber and said storage compartment being in communication with one another via a material inlet opening in said inner boundary wall, and said outer boundary wall having at least one material outlet opening circumferentially spaced from said inlet opening;
- a pair of radially extending, circumferentially spaced partitions in said annular chamber forming a control area diametrically opposite said outlet opening;
- and air permeable means in said chamber extending circumferentially from said inlet opening to said outlet opening and forming a plurality of independently aeratable circumferentially extending zones, said annular chamber having a radial width of between about 0.25 and 0.37 times the diameter of said body and a height of between about 0.7 and 1.4 times said radial width.
A storage and mixing silo for bulk material comprising an upstanding, cylindrical body having walls defining a storage compartment;
- radially inner and outer walls forming at the lower end of said body a mixing chamber external of said storage compartment, said chamber and said compartment being in communication with one another via a material inlet in said inner wall and said chamber extending arcuately from said inlet about said compartment toward a mixed material outlet substantially diametrically opposed to said material inlet;
- and air permeable means in said chamber extending from said material inlet to said mixed material outlet and forming a plurality of independently aeratable arcuately extending zones.
Dependencies are inferred from the claim text.