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US 2018/0066329 A1Published application
Stirrers for crystallizing evaporator
AssigneeSudzucker Aktiengesellschaft
InventorJochen ARNOLD
Life of this patent
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Abstract
A stirrer for a crystallizing evaporator such a crystallizing evaporator for crystallizing sucrose from concentrated beet juice. The stirrer includes at least one active flow-conducting means selected from a group consisting of a plurality of flow-conducting propellers arranged along a shaft of the stirrer and a screw running along the shaft.
Claims8
A stirrer for a vacuum pan, suitable for circulating a solution or suspension to be crystallized in a vessel, comprising a shaft,
- a main propeller disposed in a primary mixing zone and connected to the shaft;
- and
- at least one active flow-conducting means on the shaft and upstream of the main propeller for active flow guidance of the solution or suspension, the at least one active flow-conducting means is selected from a group consisting of:
- 1) a plurality of flow-conducting propellers each having a flow-conducting propeller diameter less than 50% of a main propeller diameter of the main propeller, the plurality of propellers arranged at a distance from each other along the shaft, and
- 2. a screw running along the shaft, having a screw that is a diameter at most 50% of the main propeller diameter.
2 more elements
Dependencies are inferred from the claim text.