公开(公告)号：EP3926074A1

公开(公告)日：2021-12-22

申请号：EP19921211.9

申请日：2019-03-22

申请人： Primetals Technologies Japan, Ltd.

发明人： TSUJI, Kosei ,  NAKATSUKA, Ryusuke ,  YAGI, Takahiro ,  YOSHIKAWA, Masashi ,  TAKATANI, Hideaki ,  YASUI, Toyoaki ,  HIRATA, Takuya

IPC分类号： C23G3/00

摘要： 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.