Manufacture of cement

US4276092A · kind A · utility

Assignee

• LAFARGE · FR

Inventors

• Charles F. St. John · Beaconsfield, CA
• Gil A. Mercier · Rue du Bois des Loges, CA

Key dates

• Filing date: Dec 3, 1979
• Grant date: Jun 30, 1981
• Expiry date: Dec 3, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B7/60
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Volatiles-rich dust and kiln gases are removed from a cement kiln by means of a special by-pass probe system located in the inlet end of the kiln. The probe system is designated to prevent the build-up of solidified volatiles-rich dust on the probe surfaces.