PICKLING EQUIPMENT

PROBLEM TO BE SOLVED: To provide pickling equipment in which SiO2particles in a pickling solution generated during pickling of various silicon steel sheets can be decreased, and long-term operation and the period of maintenance work can be prolonged and productivity is high. SOLUTION: The pickling e...

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Bibliographische Detailangaben
Hauptverfasser:	OTA TOSHIYUKI, IIDA SHIZUO, BABA YUKIO, SAKAMOTO JUN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide pickling equipment in which SiO2particles in a pickling solution generated during pickling of various silicon steel sheets can be decreased, and long-term operation and the period of maintenance work can be prolonged and productivity is high. SOLUTION: The pickling equipment equipped with a pickling tank 3 for performing pickling of the steel sheet 1 containing silicon by successively passing the steel sheet 1 and a circulating route 5 for circulating the pickling solution in the pickling tank 3 is provided with ultrasonic vibrator transducers 10, 14 and 18 which oscillate ultrasonic waves of different frequencies f 1, f 2, and f 3 to the pickling solution circulating in the circulating route at separation tanks 9, 13 and 17 such that the SiO2particles of the grain sizes different from each other of the respective frequencies f 1, f 2, an f 3 are removed by flocculation and settlement. COPYRIGHT: (C)2006,JPO&NCIPI