Steel strip galvanized layer thickness control device

Abstract

The invention relates to the technical field of galvanized layer thickness control, in particular to a steel strip galvanized layer thickness control device. The steel strip galvanized layer thickness control device comprises supporting mechanisms, driving mechanisms, measuring mechanisms, air outlet mechanisms and galvanizing mechanisms, wherein the driving mechanisms are oppositely mounted on two sides of each supporting mechanism, the measuring mechanisms are in threaded connection to the tops of the two driving mechanisms, the air outlet mechanisms are oppositely mounted at one ends of the two measuring mechanisms, the distance between the two air outlet mechanisms is controlled through the driving mechanisms, molten zinc on strip steel molten zinc is blown to be thin, and redundant molten zinc is scraped back into the galvanizing mechanisms, so that the zinc layer with a certain thickness is formed without manual intervention, the thickness deviation of the zinc layer can be avoided, and the consistency, the stability and the yield of products are ensured. Each galvanizing mechanism is mounted on the inner side of the corresponding supporting mechanism, strip steel is galvanized through the galvanizing mechanisms, operation is simple, and comprehensive galvanizing is achieved. The opposite ends of the two air outlet mechanisms can be closed to prevent dust when not being used.

Description

technical field [0001] The invention relates to the technical field of galvanized layer thickness control, in particular to a galvanized layer thickness control device for a steel strip. Background technique [0002] Galvanizing refers to a surface treatment technology that coats a layer of zinc on the surface of metals, alloys or other materials for aesthetics and anti-rust effects. The main method used is hot-dip galvanizing. Zinc is easily soluble in acid and alkali, so it is called amphoteric metal. Zinc hardly changes in dry air. In humid air, a dense basic zinc carbonate film will form on the zinc surface. In the atmosphere containing sulfur dioxide, hydrogen sulfide and marine atmosphere, the corrosion resistance of zinc is poor, especially in the atmosphere of high temperature, high humidity and organic acid, the zinc coating is easily corroded. The standard electrode potential of zinc is -0.76V. For the iron and steel substrate, the zinc coating is an anodic coat...

AI Technical Summary

Problems solved by technology

As the manual intervention will be different due to different operators, it will inevitably cause deviations in the thickness of the zinc layer, affecting the consistency, stability and yield of the product, and the outlet of the air knife is exposed after the processing is completed. If it is not sealed, the dust enters the inside of the air knife from the air outlet, and when it is used again, the dust is directly blown onto the strip steel with zinc liquid, resulting in uneven galvanizing and affecting galvanizing

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