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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.:

US 9669356 B1

PDFFull Text
Date of Patent:
Jun. 06, 2017

Filed:

Nov. 18, 2013

Air pollution control system and air pollution control method

Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Toshihiro Fukuda, Tokyo, JP;

Seiji Kagawa, Tokyo, JP;

Yoshito Tanaka, Tokyo, JP;

Takuro Soeda, Tokyo, JP;

Assignee:

MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Timothy Vanoy

Int. Cl.
CPC ...
B01D 53/34 (2006.01); B01D 53/38 (2006.01); B01D 53/50 (2006.01); B01D 53/74 (2006.01); B01D 53/75 (2006.01); B01D 53/78 (2006.01); B01D 53/80 (2006.01); F26B 3/12 (2006.01); F23J 15/00 (2006.01); F23J 15/02 (2006.01); F23J 15/04 (2006.01); F23J 15/06 (2006.01);
U.S. Cl.
CPC ...
B01D 53/80 (2013.01); B01D 53/501 (2013.01); B01D 53/505 (2013.01); B01D 53/75 (2013.01); F23J 15/003 (2013.01); F23J 15/006 (2013.01); F23J 15/025 (2013.01); F23J 15/04 (2013.01); F23J 15/06 (2013.01); F26B 3/12 (2013.01); B01D 2251/404 (2013.01); B01D 2257/302 (2013.01); B01D 2257/404 (2013.01); B01D 2257/602 (2013.01); B01D 2258/0283 (2013.01); F23J 2215/10 (2013.01); F23J 2215/20 (2013.01); F23J 2217/50 (2013.01); F23J 2219/40 (2013.01); Y02E 20/363 (2013.01); Y02P 70/40 (2015.11);
Abstract

Provided is an air pollution control system including: a boiler, a denitration apparatus; an air heater; a precipitator; a desulfurization apparatus; a dehydrator; a concentration apparatus that is configured to remove some of water of dehydrated filtrate from the dehydrator; a spray drying apparatus provided with a spray unit that is configured to spray concentrated/dehydrated filtrate concentrated by the concentration apparatus; and a flue gas introduction line through which branch gas branched from the flue gas is introduced to the spray drying apparatus.

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