Pickling apparatus and pickling method
AssigneePrimetals Technologies Japan, Ltd.
InventorsNaohiko Matsuda, Takashi Nakano, Yuki Maehashi, Shinji Namba, Masashi Yoshikawa, Kosei Tsuji, Takahiro Yagi, Ryusuke Nakatsuka
Life of this patent
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Abstract
A pickling apparatus for pickling a strip of metal being conveyed is equipped with: a pickling tank for storing an acid solution; a surrounding part disposed in the pickling tank so as to surround the strip immersed in the acid solution in the pickling tank; and an oxidant supply part for supplying a liquid oxidant toward an inside of the surrounding part.
Claims14
A pickling apparatus for pickling a strip of metal being conveyed, comprising:
- a pickling tank for storing an acid solution;
- a surrounding part disposed in the pickling tank so as to surround a strip immersed in the acid solution in the pickling tank;
- and
- an oxidant supply part for supplying a liquid oxidant toward an inside of the surrounding part,
- wherein the surrounding part includes an upper plate part and a lower plate part disposed so as to cover both faces of the strip, and a pair of side plate parts disposed so as to connect the upper plate part and the lower plate part on both sides of the strip.
A pickling method for pickling a strip of metal being conveyed, comprising:
- a step of conveying the strip in a state where the strip is immersed in an acid solution stored in a pickling tank and the strip is surrounded by a surrounding part disposed in the pickling tank;
- and
- a step of supplying a liquid oxidant toward an inside of the surrounding part,
- wherein the surrounding part includes an upper plate part and a lower plate part disposed so as to cover both faces of the strip, and a pair of side plate parts disposed so as to connect the upper plate part and the lower plate part on both sides of the strip.
Dependencies are inferred from the claim text.