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. 06, 2019
Filed:
Dec. 09, 2015
Applicant:
Tsukishima Kikai Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
TSUKISHIMA KIKAI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 3/24 (2006.01); F26B 17/32 (2006.01); F26B 23/10 (2006.01);
U.S. Cl.
CPC ...
F26B 17/32 (2013.01); F26B 3/24 (2013.01); F26B 23/10 (2013.01);
Abstract
To provide a drying method for terephthalic acid and a horizontal rotary dryer allowing easy performance of mass processing of the terephthalic acid and enabling size reduction by improving drying performance of the dryer. In a method of drying terephthalic acid by using a horizontal rotary dryer, a rotating shell is rotated to make a critical speed ratio α defined by expression 1 and expression 2 become 17 to less than 80% to dry the processing material,=2.21½  Expression 1α=·100  Expression 2