ULTRAFAST PICKLING METHOD AND INSTALLATION THEREFOR
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
Sep 8, 2021
filing date -
Sep 11, 2020
priority date (Note) -
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Abstract
A pickling installation for applying a pickling treatment to a metal strip in continuous movement, the pickling treatment using an acid solution, the pickling installation including: a plurality of cascading treatment tanks among which at least one treatment tank includes a spray/injection section for spraying/injecting the acid solution on the metal strip; and collection means for retrieving the sprayed acid solution after use and redirecting the sprayed acid solution to each spray/injection section. The at least one treatment tank has a first header in front of a first face of the metal strip and a second header in front of a second face of the metal strip. In a first treatment tank configuration, each of the first header and the second header have an internal flat surface intended to be parallel respectively to first and second faces of metal strip, and at a distance thereof.
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