Title:
SCRAPER DEVICE FOR CRYSTALLIZATION TANK
Document Type and Number:
WIPO Patent Application WO/2017/056472
Kind Code:
A1
Abstract:
Provided is a scraper device for a crystallization tank, the device being able to precisely scrape off a crystallized substance (crystals) adhered to the inner surface of a crystallization tank, even if protrusions and recesses have formed on the inner surface of the crystallization tank. In order to scrape off a crystallized substance 32 adhered to an inner surface 3a of an inner cylinder 3, a scraper device 10 is provided with protruding section-use scrapers 12 for scraping off the crystallized substance 32 adhered to protruding sections 3A, and recessed section-use scrapers 14 for scraping off the crystallized substance 32 adhered to recessed sections 3B.
Inventors:
OYA KENICHI (JP)
OHNO MASAKATSU (JP)
TOYODA HIROSHI (JP)
TAKADA MOTOKI (JP)
OHNO MASAKATSU (JP)
TOYODA HIROSHI (JP)
TAKADA MOTOKI (JP)
Application Number:
PCT/JP2016/004337
Publication Date:
April 06, 2017
Filing Date:
September 26, 2016
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B01D9/02; C25D21/18
Domestic Patent References:
| WO2008023778A1 | 2008-02-28 |
Foreign References:
| JP2012000651A | 2012-01-05 | |||
| JP2012246263A | 2012-12-13 |
Attorney, Agent or Firm:
KUMASAKA, Akira et al. (JP)
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