Device for the formation of granulated or agglomerated substances

US4318771A · kind A · utility

Assignee

• Glatt Maschinen—und Apparatebau AG · CH

Inventors

• Erwin Grab · Lörrach, DE
• Werner Glatt · Achim (Weser), DE

Key dates

• Filing date: Jul 16, 1980
• Grant date: Mar 9, 1982
• Expiry date: Jul 16, 2000

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2/16
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A device for the formation of a granulated substance. The device has a container which is open at the bottom and can be closed off by a movable bottom member of solid construction. Additionally, two other bottom members, which have lattices with different mesh widths or openings, can be optionally moved under the container instead of the solid member, which bottom member does not have openings. A stirrer is arranged in the container, which has a top container section that contains a filter connected to a suction fan. In order to form a granulated substance, the container is first closed off by the solid bottom member and a powdery material and a liquid are introduced into the container for mixing with each other by means of a stirrer. Subsequently, the solid bottom member is replaced by one of the lattice bottom members and warm air is drawn into the container. In this way, the humid mixed material is whirled about, dried and granulated. Then, the granulated material is discharged from the container and simultaneously sifted. Thus, a powdery substance of different components can be mixed with a liquid in the container while avoiding a disintegration of the powder components and, su…