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1. (WO2018062860) UNIFORM TREATMENT APPARATUS AND PICKLING APPARATUS

Pub. No.:    WO/2018/062860    International Application No.:    PCT/KR2017/010738
Publication Date: Fri Apr 06 01:59:59 CEST 2018 International Filing Date: Thu Sep 28 01:59:59 CEST 2017
IPC: C23G 3/02
C23G 3/00
C23G 1/08
Applicants: POSCO
주식회사 포스코
Inventors: PARK, Hyoung-Kuk
박형국
NOH, Il-Hwan
노일환
KIM, Kyoung-Sik
김경식
KIM, Min-Woo
김민우
KIM, Min-Cheol
김민철
Title: UNIFORM TREATMENT APPARATUS AND PICKLING APPARATUS
Abstract:
A uniform treatment apparatus according to an embodiment of the present invention may comprise: a chamber member through which a steel plate passes; a nozzle member, provided in the chamber member, for injecting a complementary solution onto a central portion of the widthwise upper surface of the steel plate to flow the complementary solution from the central portion to an edge portion of the widthwise upper surface of the steel plate; and a separation plate member provided transversely to the chamber member so as to temporarily retain the complementary solution flowing from the upper surface of the steel plate. A pickling apparatus, according to another embodiment of the present invention, may comprise: an acid tank unit, provided on a path through which a steel plate moves, into which an acid solution is introduced to pickle the steel plate; and a pickling adjustment unit, provided in conjunction with the acid tank unit, for adjusting pickling strength with respect to the steel plate.