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Hot dip galvanizing production method and production line therefor

A technology of hot-dip galvanizing and production method, which is applied in the direction of hot-dip galvanizing, superimposed layer plating, coating, etc., can solve the problems of harsh use environment, complicated situation, low efficiency, etc., and achieve high production efficiency and structural Reasonable layout effect

Inactive Publication Date: 2007-05-16
潍坊长安铁塔股份有限公司
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AI Technical Summary

Problems solved by technology

Large workpieces such as iron towers are bulky, complicated, and used in harsh environments. The production mainly relies on manual handling and operation. The production process of hot-dip galvanizing is backward, low in efficiency, high in energy consumption, and serious in environmental pollution.

Method used

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  • Hot dip galvanizing production method and production line therefor

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Embodiment Construction

[0018] The hot-dip galvanizing production method of the present invention comprises the steps of degreasing treatment, pickling and rust removal, fluxing treatment, drying, hot-dip galvanizing, water cooling, passivation treatment and the like. The steps are described in detail below:

[0019] A) degreasing treatment: put the workpiece into the degreasing tank with degreasing liquid through rail transport vehicles and driving cars, set the degreasing time according to the amount of oil on the surface of the workpiece, and then send the degreasing workpiece into the clear water tank for cleaning;

[0020] B) pickling and derusting; hoist the above-mentioned degreasing and water-washed workpieces with a crane, put them in a hydrochloric acid tank for pickling, and the pickling time depends on the degree of rust on the workpiece surface; the pickled workpieces are then sent to the washing tank Internal flushing;

[0021] C) plating fluxing treatment; the workpiece rinsed after t...

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Abstract

The invention discloses heat-immersed zinc depositing manufacturing method and manufacturing line of large-scale of working piece, which comprises the following steps: degreasing; pickling; derusting; assisting the depositing; drying; proceeding heat immersing the deposited zinc; cooling; passivating. The manufacturing line contains pickling area and zinc depositing area between raw material area and production area, wherein the pickling area concludes degreasing groove, clear water groove of pickling area and pickling groove; the zinc deposited area is composed of a row of clear water groove of zinc depositing area, depositing assisting groove, drying box, zinc depositing stove, cooling groove and passive groove. The invention can finish large scale of zinc depositing work with rational structure layout, which improves manufacturing efficiency.

Description

technical field [0001] The invention belongs to a galvanizing method, in particular to a hot-dip galvanizing production method for large workpieces and a production line thereof. Background technique [0002] Metal materials are easy to corrode. In order to prolong the service life of metal workpieces, one of the commonly used methods is to coat a layer of zinc on its surface. The zinc layer can prevent the oxidation of metal materials and greatly extend the service life. Large workpieces such as iron towers are bulky, complicated, and used in harsh environments. The production mainly relies on manual handling and operation. The hot-dip galvanizing production process is backward, low in efficiency, high in energy consumption, and serious in environmental pollution. Contents of the invention [0003] The object of the present invention is to provide a hot-dip galvanizing production method with high efficiency and low energy consumption and a production line thereof. [00...

Claims

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Application Information

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IPC IPC(8): C23C28/00C23C2/06C23C2/02C23C2/26C23C22/00C23G5/00C23G1/02
Inventor 王光顺张世华王军宿明奇王勇韩福禄荆兆胜李成民
Owner 潍坊长安铁塔股份有限公司
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