Device for aerating dispersions
AssigneeAndritz Inc.
InventorsBernhard Scherzinger, Helmuth Gabl
Life of this patent
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Abstract
A device and process for aerating dispersions, particularly for flotation of pulp suspensions, in a de-inking process where the pulp suspension containing dirt particles is sprayed into a tank together with air. The air is injected at a minimum of two successive points and mixed with the suspension.
Claims6
An aerating device for use in a flotation unit for de-inking pulp suspensions comprising a first injector defining an injection channel, the injection channel having inlet and discharge ends defining a flow direction and at least a first suction point and a second suction point leading into the injection channel arranged in series in the flow direction and further comprising a plurality of impulse exchange pipes, a one of the impulse exchange pipes being disposed downstream of each suction point in the flow direction.
Dependencies are inferred from the claim text.