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:
Nov. 22, 2016
Filed:
Apr. 27, 2012
Sohei Akinaga, Ehime, JP;
Tomohiro Ookubo, Ehime, JP;
Tatsuki Kobayashi, Ehime, JP;
Hiroyuki Hatanaka, Ehime, JP;
Sohei Akinaga, Ehime, JP;
Tomohiro Ookubo, Ehime, JP;
Tatsuki Kobayashi, Ehime, JP;
Hiroyuki Hatanaka, Ehime, JP;
MIURA CO., LTD., Ehime, JP;
Abstract
To achieve a downsized drain tank without reducing an effective drain recovery rate. A closed drain recovery system includes: a steam boiler (); a closed-type drain tank (); an air-open-type makeup water tank (); a steam introduction line () for introducing a first flush steam within the drain tank () to the makeup water tank (); a surplus drain introduction line () for introducing surplus drain to the makeup water tank () from the drain tank (); and condensing units () and () provided for the makeup water tank (), and configured to condense one or both of the first flush steam and a second flush steam by bringing the one or both of the first flush steam and the second flush steam into contact with the makeup water within the makeup water tank (), the second flush steam being generated from the surplus drain.