Title:
INPUT AMOUNT DETERMINATION METHOD OF ACID CLEANING LIQUID
Document Type and Number:
Japanese Patent JP2015199990
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an input amount determination method capable of reducing an input amount of unused fresh acid, in an acid cleaning treatment line using a used waste acid.SOLUTION: When an input amount of an acid cleaning liquid on an acid cleaning treatment line 1 using a used waste acid collected from an acid cleaning tank 11 and unused fresh acid, is determined, based on a descaling property and plate width of a hot rolled steel strip which is subjected to acid cleaning treatment, and an input state of the waste acid in the acid cleaning tank 11, an input amount of the fresh acid is determined.
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Inventors:
NISHIDA TETSUO
Application Number:
JP2014079675A
Publication Date:
November 12, 2015
Filing Date:
April 08, 2014
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C23G1/08; C23G1/36; C23G3/02
Domestic Patent References:
JPH11269679A | 1999-10-05 | |||
JPS60141881A | 1985-07-26 |
Attorney, Agent or Firm:
Tetsuya Mori
Suzuki Isobe
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka
Suzuki Isobe
Hide Tanaka Tetsu
Ichi Hirose
Toru Miyasaka
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