Apparatus for continuously withdrawing solids which form a sediment in a liquid

US4005016A · kind A · utility

Assignee

• Dr. C. Otto & Comp. GmbH

Inventors

• Egon Haese · Bochum, DE
• Hans Moll · Marl, DE

Key dates

• Filing date: Jul 7, 1975
• Grant date: Jan 25, 1977
• Expiry date: Jul 7, 1995

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J8/0015
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

This disclosure pertains to an apparatus within a container wherein solid particles of the type that form a sediment in a liquid, are withdrawn from a liquid-filled processing chamber at the upper side of a funnel-shaped plate into a liquid-filled collecting chamber below the plate. In one embodiment, the funnel-shaped plate includes a central discharge nozzle that forms an annular discharge gap by extending downwardly within the side walls of a bell-shaped chamber that is inverted and contains a mushroom-shaped distributor supported above its bottom wall by a liquid supply pipe. The top surface of the mushroom-shaped distributor has a conical shape with the apex extending upwardly to the terminal end of the discharge nozzle. In a second embodiment, the annular opening in the funnel-shaped plate contains a cylindrical hood to form an annular space that is closed at its bottom by an oblique wall forming part of a fluid discharge chamber which delivers fluid upwardly along a ring-shaped sleeve that projects into the hood and forms an annular discharge gap therewith for the solid particles that pass downwardly within the sleeve into the underlying collecting chamber.