Apparatus for continuously removing crystals from a mother liquor and for washing the crystals
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United States of America Patent
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-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Dec 11, 1989
filing date -
Dec 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for continuously removing from the mother liquor the crystals contained in a suspension of crystals in the mother liquor and for washing the crystals with a washing liquid, comprising a closed cylindrical chamber, feed devices for the suspension of crystals, discharge devices for removing the disintegrated crystal bed, feed devices for washing liquid, filter devices in the form of a flat ring for extracting mother liquor from the suspension supplied, while retaining crystals, transport devices in the form of rotating blades which are fitted in the cylindrical chamber above the filter devices and stator blades above the rotating blades being able to move backwards and forwards over a certain stroke in the axial direction between the filter devices and the stator blades fitted at a distance above the filter devices.
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