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Method for preparing steel products surface antiseptic treatment agent

A technology of anti-corrosion treatment and production method, which is applied in the direction of metal material coating process, coating, solid diffusion coating, etc., can solve the problems of increased heating temperature, shallow powder galvanized layer, long heat preservation time, etc. The effect of increased thickness, uniform powder galvanized layer, and short heat preservation time

Inactive Publication Date: 2008-06-04
TIANJIN HANLONG ZINC PLATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Powder galvanizing agent for anti-corrosion treatment of iron and steel products. Generally, the heat preservation time is long and the powder galvanized layer is shallow. Nitrogen medium or sulfosalicylic acid is used. The production cost is high, the process is complicated, the heating temperature is increased, and the use is limited.

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0006] Embodiment: A kind of preparation method of surface anticorrosion treatment agent of iron and steel products, zinc powder 65%, fly ash 15%, floating beads 10.5%, sodium fluoride 3.5%, iron oxide 3.5%, ammonium chloride 2.5%, in the seal rotation In the heating protection, evenly heat to 400 ℃, keep warm for 2 hours, and the zinc layer is 55mm.

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PUM

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Abstract

The invention discloses a production method for steel iron product surface antseptic treatment agent. Zinc powder of 65 percent, fine coal ash of 15 percent, bleaching bead of 10.5 percent, sodium fluoride of 3.5 percent, ferric oxide of 3.5 percent and ammonium chloride of 2.5 percent are evenly heated to 400 DEG C in a hermetically rotary heating furnace, and is made a thermal insulation for two hours, the thickness of the galvanized layer is 55 mm. The invention has the following advantages: the invention has low production cost, even powdergalvanized layer, short thermal insulation time, thickened galvanized layer and small energy consumption.

Description

technical field [0001] The invention relates to a method for preparing a surface anticorrosion treatment agent for iron and steel products. Background technique [0002] The powder galvanizing agent for anti-corrosion treatment of steel products generally has a long heat preservation time and a shallow powder galvanized layer. It uses nitrogen medium or adds sulfosalicylic acid. The production cost is high, the process is complicated, the heating temperature is increased, and the use is limited. Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned defects and provide a method for preparing a surface anticorrosion treatment agent for steel products. [0004] The technical solution of the present invention is: a method for preparing a surface anticorrosion treatment agent for steel products, characterized in that: 50-85 parts of zinc powder, 6-30 parts of fly ash, 5-25 parts of floating beads, potassium fluoroborate or flu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C10/28
Inventor 刘贵喜
Owner TIANJIN HANLONG ZINC PLATING