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Medium solvent plating assisting method for galvanizing process

A process and solvent technology, which is applied in the field of medium-solvent assisted plating for galvanizing process, can solve problems such as low production efficiency, high production cost, and unreasonable solvent assisted plating process, so as to improve galvanizing quality and reduce zinc dross The generation, the effect of reducing production cost

Inactive Publication Date: 2016-07-06
CHONGQING JINSHENG MACHINERY PARTS MFG CO LTD
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Problems solved by technology

[0002] The existing steel wire hot-dip galvanizing process flow: wire setting-off→annealing→slow cooling→pickling→water washing→plating help→drying→dip galvanizing→scraping zinc→winding up, solvent-assisted plating in the galvanizing process is hot-dip galvanizing An important process in zinc pretreatment, but the solvent-assisted plating process in the prior art zinc process is unreasonable, the production efficiency is low, and the production cost is high

Method used

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with embodiment:

[0011] A kind of medium solvent fluxing method for galvanizing process, its technique comprises following requirement:

[0012] (1) The composition of the plating flux: the content of zinc chloride and ammonium chloride in the plating flux is 260-300 grams per liter, and the ratio of the two kinds of zinc chloride, ammonium chloride and ammonium zinc is 1.2 respectively And 1.4; Add 2-3 grams per liter of nonionic surfactant in the plating flux;

[0013] (2) PH value of the plating flux: the pH value of the plating flux is controlled within the range of 4-5, which can purify the steel wire after pickling and make up for the deficiency of pickling; when the pH is lower than 4, it will Make the steel wire in the solution and corrode in the air before drying out of the solution to produce iron ions, so more iron ions will be brought into the zinc pot, which will lead to more zinc slag;...

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Abstract

The invention discloses a medium solvent plating assisting method for a galvanizing process. The medium solvent plating assisting method for the galvanizing process is characterized by including the technological requirements that (1) according to the composition of a plating assistant agent, the content of zinc chloride and ammonium chloride in the plating assistant agent is 260-300 g / L, the ratio of the sum of the zinc chloride and the ammonium chloride to ammonium and the ratio of the sum of the zinc chloride and the ammonium chloride to zinc are 1.2 and 1.4 correspondingly, and 2-3 g / L of a nonionic surface active agent is added into plating assistant liquid; (2) the PH value of the plating assistant liquid is controlled to be 4-5; and (3) the temperature of the plating assistant liquid is controlled to be 60-80 DEG C. According to the medium solvent plating assisting method for the galvanizing process, the steel surface can be activated, a steel wire is prevented from being oxidized in air in the time period from a plating assistant bath to a zinc pot, the galvanizing quality is improved, the quantity of generated zinc residues is reduced, and accordingly the production cost is reduced.

Description

technical field [0001] The invention belongs to a medium-solvent auxiliary plating method used in the galvanizing process. Background technique [0002] The existing steel wire hot-dip galvanizing process flow: wire setting-off→annealing→slow cooling→pickling→water washing→plating help→drying→dip galvanizing→scraping zinc→winding up, solvent-assisted plating is hot-dip galvanizing An important process in the zinc pretreatment, but the solvent-assisted plating process in the prior art zinc process is unreasonable, the production efficiency is low, and the production cost is high. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies in the above-mentioned technologies. The present invention provides a medium-solvent plating method for galvanizing process, which can improve the quality of galvanizing and reduce the generation of zinc dross, thereby reducing production costs. [0004] The technical scheme that realizes the obj...

Claims

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Application Information

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IPC IPC(8): C23C2/02C23C2/06
Inventor 杨斌
Owner CHONGQING JINSHENG MACHINERY PARTS MFG CO LTD
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