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. 05, 2014
Filed:
Sep. 30, 2010
Hideki Ito, Tokyo, JP;
Naoyuki Kamiyama, Tokyo, JP;
Makoto Tsutsui, Tokyo, JP;
Seiji Kagawa, Tokyo, JP;
Tatsuto Nagayasu, Tokyo, JP;
Norikazu Inaba, Tokyo, JP;
Hideki Ito, Tokyo, JP;
Naoyuki Kamiyama, Tokyo, JP;
Makoto Tsutsui, Tokyo, JP;
Seiji Kagawa, Tokyo, JP;
Tatsuto Nagayasu, Tokyo, JP;
Norikazu Inaba, Tokyo, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A gypsum dewatering deviceinstalled in a desulfurization facilityin which sulfur oxide in flue gas G is absorbed by limestone in an absorber, includes a belt filterthat absorbs sulfur oxide and dewaters gypsum slurry SS fed from the absorberto form a gypsum cake SC, a vacuum suction mechanismthat sucks moisture in the gypsum cake SC via the belt filter, a moisture measuring means Hthat measures a moisture content of the gypsum cake SC to be dewatered by the belt filter, a heating meansthat heats the gypsum cake SC dewatered by the belt filterby hot water or steam, and a control meansthat controls a heated state by the heating meanswhen the moisture content of the gypsum cake SC input from the moisture measuring means Hhas exceeded a predetermined amount.