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:
Aug. 12, 2014
Filed:
Aug. 19, 2009
Applicants:
Daniel Trolin, Camacari, BR;
Fredrik Wilgotson, Karlstad, SE;
Peter Henricsson, Sundsvall, SE;
Inventors:
Assignee:
Valmet AB, Sundsvall, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C 7/00 (2006.01);
U.S. Cl.
CPC ...
D21C 7/00 (2013.01);
Abstract
The method and arrangement is for adding treatment liquor to comminuted cellulose material, preferably wood chips, during the manufacture of chemical pulp in a continuous process. The process uses a down-flow vessel where chips are descending down the vessel in a plug-flow and where treated chips are continuously fed out at the bottom of the vessel. By arranging more than two parallel pipes offset from the center of the vessel a better distribution of treatment liquor is obtained. Any disturbance of the chip plug flow descending down the vessel is reduced to a minimum.