Sandvik Process Systems, Inc.

Gebruder Sulzer Aktiengesellschaft

Yavus Oezoguz

Joachim Ulrich

Manfred Stepanski

An endless steel band or belt (12) moves upwardly (see arrow 65). The upper length or run (17) of the band or belt (12) is cooled or heated by a fluid flowing from nozzles (43, 59). A feeding station (21) supplies a liquid mixture which mixture runs downwardly along the crystallizing surface (11) of the belt. A crystal layer is thus formed on the crystallizing surface 11. This crystal layer is moved upwardly in counter-current. The remaining liquid, the mother liquor, which is substantially free from crystallizable substance, flows downwardly. A device (22) for changing the inclination angle (.alpha.) of the crystallizing surface permits the crystallizing device to be adjusted in a simple way in accordance with the requirement of the crystallizating process. For automatic operation, a control unit (C) can associate the angle of inclination (.alpha.), the speed of movement of the band or belt (12), and hence of the crystallization surface (11) thereon and the temperature profile of the crystallization surface for optimum crystallization.

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Bremen, Germany

Yavus Oezoguz