Method for preparing plating aid for preventing omission of heat dip galvanization

A technology of hot-dip galvanizing and fluxing agent, applied in hot-dip plating process, coating, metal material coating process, etc., can solve the problems of reducing iron ions in fluxing agent, unsatisfactory effect, etc. The effect of reducing the amount of reclaimed water treated and generated

Active Publication Date: 2009-01-07
巩义市恒星金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reducing the content of iron ions in the flux has been a long-term research and problem to be solved in the hot-dip galvanizing field at home and abroad, but the effect is not ideal

Method used

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  • Method for preparing plating aid for preventing omission of heat dip galvanization
  • Method for preparing plating aid for preventing omission of heat dip galvanization
  • Method for preparing plating aid for preventing omission of heat dip galvanization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment one, see figure 2 , image 3 , using the existing steel wire hot-dip galvanizing method to remove rust on the surface of the steel wire with hydrochloric acid, using the characteristics of the fast wire routing speed and bringing hydrochloric acid and iron salt into the fluxing solvent with the surface of the steel wire, using the zinc slag (FeZn 13 ) from the zinc pot, put it into a mold and cool it into a square shape with a size of approximately: length 400×width 300×height 100 (mm), and directly place the cooled and formed zinc dross block vertically along the periphery of the flux bath. Using hydrochloric acid and zinc slag (FeZn 13 The chemical principle of the reaction of metal zinc in ) to form zinc chloride, the contact reaction area between the zinc slag block and the solution is large, and the zinc chloride in the fluxing solvent is produced all the time, and it is kept within a certain range, which meets the requirements of hot-dip galvanizing for...

Embodiment 2

[0039] Embodiment two, with the similarity of embodiment one no longer restate, difference is:

[0040] The plating flux solvent components include ammonium chloride 35-40g / L, zinc chloride 10-12g / L, alkylphenol polyoxyethylene ether OP-10 1-2g / L, pH value 5-6, and water balance.

Embodiment 3

[0041] Embodiment three, the similarity with embodiment one is no longer repeated, and difference is:

[0042] The components of the plating flux solvent include ammonium chloride 30-35g / L, zinc chloride 12-15g / L, alkylphenol polyoxyethylene ether op-10 2-2.5g / L, pH value 5-6, and water balance.

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Abstract

The invention relates to a preparation method for a plating assistant agent which prevents the hot-galvanized leakage on the surface of a steel wire. The method includes: dipping the steel wire after being washed by muriatic acid and bathed into a water solvent slot; fishing out the slag of zinc from the bottom part of a steel wire hot-galvanized smelted zinc boiler; putting into an ammonium chloride water solvent slot after being cooled; heating the water solvent containing the ammonium chloride and maintaining the temperature between 70 to 75 DEG C; wherein, the initial content of the ammonium chloride is 30 to 45g/L; the initial pH value is 2 to 3; a method for utilizing the muriatic acid brought in by the steel wire after being washed by the muriatic acid to generate a chemical reaction with the slag of zinc to generate zinc chloride is used to form the mixed water solvent of the zinc chloride and the ammonium chloride which meets the quality demand for producing a galvanized layer by the hot-galvanized steel wire. The method has the advantages of simple technique, low production cost, stable quality, being capable of industrial production, etc. The consumption for the ammonium chloride for producing each ton of steel wire can be saved by 40 to 50 percent; the generating amount of the slag of zinc (FeZn13) is reduced; the zinc consumption is reduced; the zinc can be saved by 10 to 15 percent.

Description

1. Technical field: [0001] The invention relates to the hot-dip galvanizing technology in the metal product industry, in particular to a preparation method of a fluxing agent for preventing missing plating on the hot-dip galvanized surface of steel wires. 2. Background technology: [0002] Hot-dip galvanizing (Hot-dip galvanizing) is a surface treatment method commonly used for metal products. It uses the low melting point of metal zinc to adhere to the characteristics of high melting point steel surface, and adopts an anti-corrosion method. The main purpose of hot-dip galvanizing of metal products is anti-corrosion rather than decoration. Partial exposure of iron on the surface of metal products is also called missing plating, which is an unacceptable defect of galvanized layer specified in all standards. The hot-dip galvanized layer has excellent corrosion resistance, and its service life in the atmospheric environment can generally reach 15 to 20 years. Its coating is bri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/06C23C2/02
Inventor 苗立贤焦宗保张保胡
Owner 巩义市恒星金属制品有限公司
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