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:
Sep. 13, 2022
Filed:
May. 01, 2018
Applicant:
Fpinnovations, Pointe-Claire, CA;
Inventors:
Bruce James Allison, Vancouver, CA;
Wei Ren, Richmond, CA;
Brennan Dubord, Quesnel, CA;
Jason Johnson, Quesnel, CA;
Assignee:
FPInnovations, Pointe-Claire, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 11/12 (2006.01); D21C 7/12 (2006.01); D21C 11/00 (2006.01);
U.S. Cl.
CPC ...
D21C 11/122 (2013.01); D21C 7/12 (2013.01); D21C 11/0064 (2013.01);
Abstract
Methods and systems for controlling operation of a smelt dissolving tank receiving a flow of smelt and having a vent stack in fluid communication are provided. A dissolving liquid is injected into the smelt dissolving tank at a predetermined injection rate. A temperature of a flow of vapour in the vent stack is measured with a sensor. The injection rate of the dissolving liquid is controlled based on the temperature of the flow of vapour.