The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 1989
Filed:
Dec. 01, 1986
Roland Nied, Bonstetten, DE;
Herbert Hackl, Augsburg, DE;
Alpine Aktiengesellschaft, Augsburg, DE;
Abstract
The invention concerns a method for the continuous production of a solid granulate by drying and simultaneous granulation in a flow bed. In this connection, the solid to be granulated, in the form of a solution or suspension, is sprayed into or onto the bed of material consisting of pregranulated solid and fluidized by an injected drying gas of suitable temperature, a corresponding quantity of granulate is discharged from the bed of material and separately therefrom the drying gas is drawn off together with the water vapor produced. In order to obtain a mode of operation independent of the flow velocity of the drying gas, the granules of the fluidized bed of material are continuously subjected to a centrifugal force classification, the mixture of drying gas and water vapor serving as carrier gas for classification.