Patent · US Expired

Method and apparatus for the heat treatment of fine-grained material

US4288213A · kind A · utility

2Cited by

7References

15Claims

0Family size

Assignee

Klockner-Humboldt-Deutz AG · DE

Inventors

Horst Herchenbach
Hubert Ramesohl · Bensberg, DE
Joachim Fleischer · Essen, DE

Key dates

Filing date	Oct 15, 1979
Grant date	Sep 8, 1981
Priority date	—
Expiry date	Oct 15, 1999

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B7/44
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Method and apparatus for the heat treatment of fine-grained material, particularly raw material for the manufacture of cement wherein the material is pre-heated, calcined, sintered, and then cooled, the sintering of the substantially calcined material according to the present invention being carried out in the form of an airborne suspension.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.