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.

Date of Patent:
Jan. 31, 2017

Filed:

Mar. 22, 2012
Applicants:

Nobuyuki Ukai, Tokyo, JP;

Tatsuto Nagayasu, Tokyo, JP;

Naoyuki Kamiyama, Tokyo, JP;

Seiji Kagawa, Tokyo, JP;

Toshihiro Fukuda, Tokyo, JP;

Inventors:

Nobuyuki Ukai, Tokyo, JP;

Tatsuto Nagayasu, Tokyo, JP;

Naoyuki Kamiyama, Tokyo, JP;

Seiji Kagawa, Tokyo, JP;

Toshihiro Fukuda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 1/18 (2006.01); B01D 53/50 (2006.01); B01D 53/64 (2006.01); B01D 53/75 (2006.01); B01D 53/86 (2006.01); C02F 1/04 (2006.01); C02F 11/12 (2006.01); C02F 1/00 (2006.01); C02F 1/12 (2006.01); C02F 1/16 (2006.01); C02F 103/18 (2006.01);
U.S. Cl.
CPC ...
B01D 1/18 (2013.01); B01D 53/504 (2013.01); B01D 53/505 (2013.01); B01D 53/64 (2013.01); B01D 53/75 (2013.01); B01D 53/8625 (2013.01); C02F 1/048 (2013.01); C02F 11/121 (2013.01); B01D 2251/2062 (2013.01); B01D 2251/2065 (2013.01); B01D 2251/2067 (2013.01); B01D 2251/404 (2013.01); B01D 2251/606 (2013.01); B01D 2257/302 (2013.01); B01D 2257/404 (2013.01); B01D 2257/602 (2013.01); B01D 2258/0283 (2013.01); C02F 1/008 (2013.01); C02F 1/12 (2013.01); C02F 1/16 (2013.01); C02F 11/123 (2013.01); C02F 11/127 (2013.01); C02F 2103/18 (2013.01); C02F 2209/02 (2013.01);
Abstract

A spray-drying device includes a spray nozzle that sprays the dehydrated filtrate from the desulfurization wastewater, in a spray-drying device body, an inlet that is provided in the spray-drying device body and introduces flue gas for drying spray liquid, a dry area that is provided in the spray-drying device body and dries the dehydrated filtrate by the flue gas, an outlet that discharged the flue gas contributing to the drying, a plurality of thermometers that are provided in the dry area and measure temperatures of the inside, a determination unit that determines whether or not a spray-drying state of the dehydrated filtrate is satisfactory on the basis of the measurement results of the thermometers, and a control unit that adjusts the flue gas or the dehydrated filtrate when it is determined that the spray-drying is not satisfactory as a result of the determination of the determination unit.


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