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:
Feb. 29, 2000
Filed:
Jul. 10, 1998
Applicant:
Inventors:
Jan Bergman, Orglelvagen, SE;
Hans Sjoberg, Valebergsvagen, SE;
Assignee:
Kvaerner Pulping AB, Karlstad, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ; B01F / ;
U.S. Cl.
CPC ...
366264 ; 366270 ; 366306 ; 366307 ; 366317 ; 422227 ; 422228 ;
Abstract
A mixing apparatus for mixing black liquor from cellulose production with ash from flue gases which is generated on combustion of black liquor. The mixing apparatus contains a cylindrical tank, a stirrer mechanism having a propeller secured on the upper part of a vertical shaft, rotating baffles secured on the lower part of the shaft, and stationary, vertical, radial baffles arranged around, and at a distance from, the rotating baffles. The invention also provides a method for mixing black liquor and ash.