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Pickling is an important part of the production process of hot-dip galvanizing equipment. How to effectively remove oxidation and rust from the surface of steel parts and how to ensure the improvement of galvanizing efficiency. The following is a brief description of the chemical reaction of pickling in hot-dip galvanizing equipment.

Iron oxide (FeO), iron trioxide (Fe203), iron tetroxide (Fe304) and iron hydroxide (Fe(OH)) often exist on the surface of iron and steel, and these elements must be completely removed before dipping into the plating agent.

Iron oxide is easy to chemical reaction with acid and dissolved, ferric oxide (Fe203), ferric tetraoxide and hydrochloric acid reaction to generate ferrous chloride and hydrogen, and gas is able to reduce ferric oxide and ferric tetraoxide for ferrous oxide, which further reacts with hydrochloric acid to generate chlorine, ferrous chloride is soluble in dry water.

This shows that after a special chemical reaction, the hot-dip galvanizing equipment has successfully pickled and galvanized the steel. The chemical reaction in the pickling of the hot-dip galvanizing equipment provides a guarantee for the efficiency of the subsequent hot-dip galvanizing.

Hebei Annuo Automation Technology Co., Ltd.

Hebei Annuo is a global provider of Hot Dip Galvanizing Plant and Solutions, Specialty General HDG plant design and manufacture service. Hebei Annuo was founded in 1998, with more than 20 years experience in Galvanizing field, has built more than 30 complete Hot dip galvanizing plants in China and abroad. We have got ISO9001 and CE Certificates. Our products have been favored by more and more clients with the professional design, excellent quality and considerate service.

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