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:
Mar. 25, 2014
Filed:
Jan. 22, 2009
Kazuhiko Soma, Tokyo, JP;
Takahiro Kawano, Tokyo, JP;
Tokuhiko Shirasaka, Sakura, JP;
Hidenori Isoda, Sakura, JP;
Osamu Yamaguchi, Sakura, JP;
Kazuhiko Soma, Tokyo, JP;
Takahiro Kawano, Tokyo, JP;
Tokuhiko Shirasaka, Sakura, JP;
Hidenori Isoda, Sakura, JP;
Osamu Yamaguchi, Sakura, JP;
Taiheiyo Cement Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a heavy metal removing apparatus which can efficiently remove the heavy metal contained in the dust produced by burning of the raw material containing the heavy metal, and a cement production system comprising the heavy metal removing apparatus. The heavy metal removing apparatuscomprises a cyclone separatorwhich separates exhaust gas containing the heavy metal from a part of the dust heated to a temperature equal to or more than a temperature at which the heavy metal can volatilize, a bag filterwhich is connected to the subsequent stage of the cyclone separatorand separates the exhaust gas containing the heavy metal from the remainder of the dust, and a heavy metal removal towerwhich is connected to the subsequent stage of the bag filter and removes the heavy metal from the exhaust gas.