Apparatus for continuously removing crystals from a mother liquo

Details Apparatus for continuously removing crystals from a mother liquo Apparatus for continuously removing crystals from a mother liquo

1989-12-11

1992-04-07

Dawson, Robert A.

Liquid purification or separation

Diverse distinct separators

Including a filter

62123, 62544, 210297, 210298, 210396, 210415, B01D 3301

Patent

active

051025442

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.

REFERENCES:
patent: 3328972 (1967-07-01), Svanoe
patent: 3333436 (1967-08-01), Johnson et al.
patent: 3494139 (1970-02-01), Shapiro et al.
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patent: 4332599 (1982-06-01), Thijssen et al.
patent: 4475355 (1984-10-01), Thijssen et al.
patent: 4491462 (1985-01-01), Thijssen et al.
patent: 4734102 (1988-03-01), Thijssen et al.
patent: 4774008 (1988-09-01), Roodenrijs
patent: 4830645 (1989-05-01), Ghodsizadeh et al.

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