Reactor for corrosive reaction mixtures

US5899566A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Siegfried Zingel · Krefeld, DE
• Wilfried Burow · Krefeld, DE
• Martin Anstock · Krefeld, DE
• Dieter Zeitz · Krefeld, DE
• Olaf Schmidt-Park · Krefeld, DE

Key dates

• Filing date: Jun 18, 1997
• Grant date: May 4, 1999
• Expiry date: Jun 18, 2017

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J19/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A reactor for corrosive and abrasive reaction mixtures having an upper setion and a conically tapered lower reaction section, with a screw mixer consisting of a jacketed band surrounding a conveyor screw, suspended fron the top of the reactor, and an inlet for solid reactants which leads directly into the vertical conveying device.