Pulse-controlled metering device

Details Pulse-controlled metering device Pulse-controlled metering device

G - Physics

01

F

G01F 11/00 (2006.01) B65D 88/54 (2006.01) B65G 53/04 (2006.01) C25C 3/14 (2006.01)

Patent

CA 2112007

A pneumatic metering device for metering powdered materials, for example in connection with feeding aluminium oxide and aluminium fluoride to an electro- lysis cell for production of aluminium, consisting of a container (1) in the form of a relatively long, closed channel or similar with a fluidizing element (4) fitted in the base for supply of air for fluidization of material which is located in the channel. The container is fitted with an inlet (2) for feeding material from a store in the form of a silo or similar and an outlet (3) for metered dis- charge of material from it. The area (10) below the inlet (2) is inactive and is not supplied with fluidizing air, whereas air is supplied intermit- tently to the fluidizing element (4) which is designed to cover essentially all other parts of the base.

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