Continuous hot dip galvanizing zinc liquid aluminium content adjusting method

The invention provides a continuous hot dip galvanizing zinc liquid aluminium content adjusting method. In the continuous hot dip galvanizing technical process, the total Al content in zinc liquid is detected, and the steps are carried out: if the total Al content is less than or equal to 0.185%(wei...

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Bibliographische Detailangaben
Hauptverfasser:	LIU CHUNFU, ZHANG NIUNIU, ZHOU YILIN, LIU JUNWEN, JIN YONGQING, JIANG YINGZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR 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 METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention provides a continuous hot dip galvanizing zinc liquid aluminium content adjusting method. In the continuous hot dip galvanizing technical process, the total Al content in zinc liquid is detected, and the steps are carried out: if the total Al content is less than or equal to 0.185%(weight), a main zinc ingot (1) metal is added; if the total Al content is more than 0.185%(weight) andless than or equal to 0.190%(weight), the main zinc ingot (1) and a main zinc ingot (2) are added based on the weight ratio of 1:4; if the total Al content is more than 0.190%(weight) and less than or equal to 0.195%(weight), the main zinc ingot (1) and the main zinc ingot (2) are added based on the weight ratio of 1:8; if the total Al content is more than 0.195%(weight) and less than 0.22%(weight), the main zinc ingot (2) is added; if the total Al content is more than or equal to 0.22%(weight), a pure zinc ingot and the main zinc ingot (2) are added based on the weight ratio of 1:4; and in the adding process, the unc