Measurement of parameters in reactors having moving stirrers

US6149295A · kind A · utility

Assignee

• BASF SE

Inventors

• Dieter Volkmer · Schifferstadt, DE
• Peter Schey · Ludwigshafen, DE
• Herbert Plotz · Schifferstadt, DE
• Franz Langhauser · Bad Dürkheim, DE
• Dirk Meckelnburg · Ludwigshafen, DE
• Hans-Josef Klein · Marpingen, DE
• Michael Bergner · Freinsheim, DE
• Jurgen Oelze · Ludwigshafen, DE

Key dates

• Filing date: Sep 21, 1999
• Grant date: Nov 21, 2000
• Expiry date: Sep 21, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/002
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process and apparatus for the measurement of parameters in reactors having moving stirrers which contain probes in the reactor interior, wherein at least two probes connected via a multiplexer to a sensor signal amplifier by connecting cables located in the moving stirrers are installed on the surface of the moving stirrers, and the measurement data obtained by the probes are passed via the connecting cables to a sensor signal amplifier and from thence are passed on to an electronic evaluation unit by non-contact, inductive signal transmission by means of a contactless sensor tap.