The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Mar. 18, 2022
Thyssenkrupp Polysius Gmbh, Beckum, DE;
Thyssenkrupp Ag, Essen, DE;
Eike Willms, Dortmund, DE;
Patrick Brunelot, Marseilles, FR;
Martin Uhde, Ennigerloh, DE;
Olaf Ontrup, Herzebrock-Clarholz, DE;
Constantin Kimmig, Soest, DE;
Jost Lemke, Ennigerloh, DE;
thyssenkrupp Polysius GmbH, Beckum, DE;
thyssenkrupp AG, Essen, DE;
Abstract
The present invention relates to apparatus for thermal treatment of a mineral starting material, wherein the apparatus comprises a calciner, wherein the calciner comprises at least a first calciner section and a second calciner section, wherein the first calciner section is arranged vertically, wherein the second calciner section is arranged at an incline, wherein the second calciner section has an angle α between the horizontal and the flow direction of the second calciner section, wherein the angle α is between 20° and 80°, wherein the first calciner section has a first hydraulic diameter d, wherein the second calciner section has a second hydraulic diameter d, wherein the second hydraulic diameter dis less than or equal to the first hydraulic diameter dmultiplied by the sine of the angle α.