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Electrolytic pickling device of stainless steel steel strip and electrolytic pickling manner and annealing of stainless steel steel strip, pickling manner
Electrolytic pickling device of stainless steel steel strip and electrolytic pickling manner and annealing of stainless steel steel strip, pickling manner
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机译:不锈钢带的电解酸洗装置及电解酸洗方式及不锈钢带的退火,酸洗方式
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摘要
PROBLEM TO BE SOLVED: To prevent a pattern defect called as an electrolytic pattern and caused by the ununiformity of electrolytic reaction and surface roughness, in a descaling device for a stainless steel strip, by constituting an electrolytic pickling cell of a cathode reaction cell and an anode reaction cell. ;SOLUTION: A stainless steel strip S subjected to annealing after cold rolling is subjected to pretreatment by molten salt and is thereafter introduced into a sulfuric acid electrolytic pickling cell 3 in which an anode reaction cell 10 and a cathode reaction cell 11 are separately made independent via an immersion roll 7. The steel strip S is first subjected to anode electrolysis via an anode 8, and is next subjected to cathode electrolysis via a cathode 9 to melt oxidized coating film under reduction and furthermore to activate the surface, and, at this time, the situation that, after the molten salt components adhered to the steel strip S are melted away in the reaction cell 10, they penetrate into the reaction cell 11 and check the melting of the oxidized coating film of the steel strip S under reduction can be prevented, by which the purpose can be attained.;COPYRIGHT: (C)1997,JPO
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