公开(公告)号：US12139797B2

公开(公告)日：2024-11-12

申请号：US17439720

申请日：2019-03-22

Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.

Inventor： Kosei Tsuji ,  Ryusuke Nakatsuka ,  Takahiro Yagi ,  Masashi Yoshikawa ,  Hideaki Takatani ,  Toyoaki Yasui ,  Takuya Hirata

IPC: C23G3/02 ,  C23G1/08 ,  C23G1/36

Abstract: An acid solution preparation device is an acid solution preparation device for preparing an acid solution used for pickling of a steel plate, the device including a sealed tank for storing the acid solution, a gas supply part for supplying an oxygen-containing gas from outside of the sealed tank to the sealed tank, and a purge part for discharging a gas in the sealed tank to the outside.