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Hot-dip galvanizing process

A hot-dip galvanizing and process technology, applied in the direction of hot-dip galvanizing process, metal material coating process, coating, etc., can solve the problems of low efficiency of galvanizing treatment, improve the effect of galvanizing, and reduce the heating required Time, efficiency improvement effect

Pending Publication Date: 2019-01-11
王康
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to make up for the deficiencies of the prior art, the invention proposes a hot-dip galvanizing process, which is mainly used to solve the problem that the efficiency of galvanizing treatment is relatively low

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Embodiment Construction

[0026] use Figure 1-Figure 4 A hot-dip galvanizing process according to an embodiment of the present invention is described as follows.

[0027] Such as Figure 1 to Figure 3 Shown, a kind of hot-dip zinc process of the present invention, this process comprises the steps:

[0028] S1: Turn on the heating box on the hot-dipping galvanizing equipment to heat up the zinc liquid in the galvanizing furnace, and pass the high-temperature steam formed by the liquid in the high-temperature evaporation heating box into the zinc liquid to heat the zinc liquid; Bottom heating, combined with high-temperature steam directly passing through the upper part of the zinc liquid for heating, makes the zinc liquid heat up quickly, reduces the preparation time before hot-dip galvanizing treatment, and improves work efficiency;

[0029] S2: Put the workpiece to be galvanized into the preheating tank through the discharge plate of the hot-dip galvanizing equipment, and use the temperature generat...

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Abstract

The invention belongs to the technical field of hot-dip galvanizing processes, in particular to a hot-dip galvanizing process. The hot-dip galvanizing process comprises the following steps of openinga heating tank on a hot-dip galvanizing device, heating a zinc solution in a dip galvanizing furnace, injecting high-temperature steam formed by liquid in a high-temperature evaporation heating box into the zinc solution to heat the zinc solution, feeding a workpiece needing to be galvanized into a preheating trough through a feeding plate of the hot-dip galvanizing device, preheating the workpiece through the temperature generated by the heating box, and after the zinc solution is heated and the workpiece is preheated, conveying the workpiece into the dip galvanizing furnace through a grabberfor hot-dip galvanizing treatment. By carrying out bottom heating on the zinc solution and cooperatively injecting the high-temperature steam directly to the upper portion of the zinc solution for heating, the zinc solution can be quickly heated, the time of preparation before hot-dip galvanizing treatment is shortened, and the work efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of hot-dip galvanizing process, in particular to a hot-dip galvanizing process. Background technique [0002] Hot-dip galvanizing is also called hot-dip galvanizing. As an effective metal anti-corrosion method, it has been widely used in metal structure facilities in various industries. [0003] 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 be formed on the surface of zinc. 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 steel substrate, the zinc coating is an anodic coating. It is mainly used to prevent the corrosion of steel. The qualit...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C2/02
CPCC23C2/06C23C2/003C23C2/02
Inventor 不公告发明人
Owner 王康