Apparatus for extracting granular or finely divided solid materials from a gas under pressure

US4278451A · kind A · utility

Assignee

• Gutehoffnungshutte Stockrade AG · DE

Inventors

• Rolf Van Der Piepen · Bochum, DE
• Frohmut Vollhardt · Haiger, DE

Key dates

• Filing date: Jul 5, 1979
• Grant date: Jul 14, 1981
• Expiry date: Jul 5, 1999

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S48/02
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method of and apparatus for extracting granular or finely divided or powdered solid materials from a gas under high pressure, particularly slag from synthesized gas generated in connection with the gasification of coal. The invention is carried out by using a U-shaped receptacle containing a molten medium which seals off the gas chamber from the atmosphere and has a higher specific gravity than said solid materials. The solid materials are pushed below the surface of the molten medium and, by means of lateral movement, are floated up to the atmosphere, where they are contained. The U-shaped receptacle has a first tank-like arm and a second tubular arm, with a connecting conduit joining the two. This connecting conduit is inclined upwardly towards the second arm. The first arm, which is acted upon by gas pressure, contains lowering means for lowering the solid materials to the level of the connecting conduit.