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US 2006/0124784 A1Published application
Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids
AssigneeRicoh Company, Ltd.
InventorsMutsumi Takahashi, Nobuyasu Makino, Fumitoshi Murakami, Makoto Hirai
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Abstract
A fluidized bed pulverizing and classifying apparatus is disclosed having a vessel that includes a pulverizing section having a pulverizing nozzle spraying compressed air to pulverize a powder, a classifying section located over the pulverizing section, including a classifying rotor classifying the powder, and a fluidized bed. The vessel also contains a supply of secondary air.
Claims8
A fluidized bed pulverizing and classifying apparatus comprising:
- a vessel comprising:
- a pulverizing section comprising a pulverizing nozzle configured to spray compressed air to pulverize a powder;
- a classifying section located over the pulverizing section, comprising a classifying rotor configured to classify the powder;
- and
- a fluidized bed, and
- an air supplier configured to supply secondary air.
3 more elements
(canceled)
Dependencies are inferred from the claim text.