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:
Jul. 22, 2014
Filed:
Dec. 17, 2009
Roberto Fedi, Bergamo BG, IT;
Antonio Clausi, Bergamo BG, IT;
Giovanni Cinti, Bergamo BG, IT;
Italcementi S.p.A., Bergamo BG, IT;
Abstract
The present invention concerns an apparatus for the production of clinker from raw meal, comprising: a rotary kiln (), optionally a precalciner; a multi-stage cyclone preheater () connected downstream of said rotary kiln () with respect to the direction of flow of the fumes () of a combustion taking place in said kiln (); an electrofilter () connected downstream of said preheater () with respect to said direction of flow of the combustion fumes (); characterized in that it comprises a first inlet () for feeding raw meal to said combustion fumes (), said inlet () being arranged downstream of said preheater () and upstream of said electrofilter () with respect to said direction of flow of the combustion fumes (), and in that it comprises a second inlet () for feeding partially preheated raw meal () from said electrofilter () to said preheater (). The present invention also concerns an improved process for the production of clinker from raw meal.