Method for preparing anti-corrosion and wear-resistant coating by using secondary aluminum ash as raw material

An anti-corrosion and wear-resistant, secondary aluminum technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of high cost, low operating temperature, complex preparation process, etc., and achieve the effect of low cost, low price and wide source.

Pending Publication Date: 2022-05-27
江苏东台超凡创新新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the treatment of secondary aluminum ash in my country mainly adopts stacking and roadbed landfill, which not only occupies a large amount of land, but also wastes precious aluminum resources, which does not match the national conditions of my country's lack of aluminum ore resources. At the same time, the secondary aluminum ash is placed for a long time In the air or in contact with water, a large amount of flammable and toxic gases will be produced, causing serious air and water pollution, which is not in line with the national green development policy
There are also related studies that propose that the secondary aluminum ash is purified and chemically reacted to prepare chemical products such as polyaluminum chloride flocculant, aluminum sulfate, and basic

Method used

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  • Method for preparing anti-corrosion and wear-resistant coating by using secondary aluminum ash as raw material
  • Method for preparing anti-corrosion and wear-resistant coating by using secondary aluminum ash as raw material

Examples

Experimental program
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Example Embodiment

[0023] Example 1

[0024] A method for preparing anti-corrosion and wear-resistant paint by utilizing secondary aluminum ash as a raw material, the steps of which are as follows:

[0025] S1. First, add 100 parts by mass of secondary aluminum ash to 300 parts by mass of water, mix evenly to obtain a mixed solution; then stir the mixed solution at 70°C for 3 hours, and filter to obtain a filter residue; The filter residue is washed and dried to obtain secondary aluminum ash pretreatment powder; wherein, the chemical composition of the secondary aluminum ash is: Al is 9.6wt%, Al 2 O 3 70.6wt%, SiO 2 is 8.7wt%, and other components are 11.1wt%;

[0026] S2, adding 100 parts of quality of the secondary aluminum ash pretreatment powder and 40 parts of quality silicon carbide into the planetary ball mill, and ball-milling for 10h at a rotational speed of 1750r / min to obtain mixed fine powder;

[0027] S3, the described mixed fine powder of 100 parts of quality and the high chlor...

Example Embodiment

[0029] Example 2

[0030] A method for preparing anti-corrosion and wear-resistant paint by utilizing secondary aluminum ash as a raw material, the steps of which are as follows:

[0031] S1. First, add 100 parts by mass of secondary aluminum ash to 500 parts by mass of water, and mix evenly to obtain a mixed solution; then the mixed solution is stirred at 80°C for 3 hours, and filtered to obtain a filter residue; The filter residue is washed and dried to obtain secondary aluminum ash pretreatment powder; wherein, the chemical composition of the secondary aluminum ash is: Al is 5.2wt%, Al 2 O 3 69.4wt%, SiO 2 is 11.8wt%, and other components are 13.6wt%;

[0032] S2, adding 100 parts of mass of the secondary aluminum ash pretreatment powder and 30 parts of mass of silicon carbide into a planetary ball mill, and ball-milling for 8h at a rotational speed of 1600 r / min to obtain mixed fine powder;

[0033] S3, the described mixed fine powder of 100 parts of quality and the hi...

Example Embodiment

[0035] Example 3

[0036] A method for preparing anti-corrosion and wear-resistant paint by utilizing secondary aluminum ash as a raw material, the steps of which are as follows:

[0037] S1. First, add 100 parts by mass of secondary aluminum ash to 410 parts by mass of water, and mix evenly to obtain a mixed solution; then the mixed solution is stirred at 65°C for 4 hours, and filtered to obtain a filter residue; The filter residue is washed and dried to obtain secondary aluminum ash pretreatment powder; wherein, the chemical composition of the secondary aluminum ash is: Al is 1.2wt%, Al 2 O 3 82.8wt%, SiO 2 is 5.4wt%, and other components are 10.6wt%;

[0038] S2, adding 100 parts of quality of the secondary aluminum ash pretreatment powder and 50 parts of quality silicon carbide into a planetary ball mill, and ball-milling for 10h at a rotational speed of 2000r / min to obtain mixed fine powder;

[0039] S3, the described mixed fine powder of 100 parts of quality and the ...

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Abstract

The invention provides a method for preparing an anti-corrosion and wear-resistant coating by utilizing secondary aluminum ash, and particularly relates to the technical field of treatment by utilizing the secondary aluminum ash, the method comprises the following steps: firstly, adding the secondary aluminum ash into water to prepare a mixed solution; filtering the mixed solution to obtain filter residues, and washing and drying the filter residues to obtain secondary aluminum ash pretreatment powder; adding the secondary aluminum ash pretreatment powder and silicon carbide into a planetary ball mill for ball milling to obtain mixed fine powder; then putting the mixed fine powder, high chlorinated polyethylene resin, an organic solvent and deionized water into a stirring kettle to be mixed and stirred to prepare pug; and adding the anti-corrosion pigment and the auxiliary agent into the stirring kettle, stirring until the mixture is viscous, and adding the inorganic flame retardant to obtain the anti-corrosion and wear-resistant coating. According to the invention, efficient recycling of the secondary aluminum ash is realized, the production cost is relatively low, the production process is simple, and the prepared anti-corrosion and wear-resistant coating has excellent performance.

Description

technical field [0001] The invention belongs to the technical field of secondary aluminum ash treatment, and in particular relates to a method for preparing an anti-corrosion and wear-resistant coating by using secondary aluminum ash as a raw material. Background technique [0002] Secondary aluminum ash is the product of the slag produced in the production process of electrolytic aluminum or cast aluminum after cooling and processing. It is a recyclable resource. Generally, 30-50Kg of secondary aluminum slag is produced for every ton of aluminum produced. The composition is Al, Al 2 O 3 , Fe, SiO 2 , nitrides, metal oxides, etc., among which Al and Al are the most abundant 2 O 3 Up to 10-80wt%. [0003] At present, the treatment of secondary aluminum ash in my country mainly adopts the methods of stacking and roadbed landfill, which not only occupies a lot of land, but also wastes precious aluminum resources, which does not match the national conditions of my country's...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D123/28C09D7/61C09D7/65C09D5/08
CPCC09D1/00C09D123/286C09D7/61C09D7/65C09D5/08C08K2003/2227C08K2003/0812C08K3/08C08K3/22C08K3/36C08K3/34
Inventor 徐书山华科伟王世名邓明马道成
Owner 江苏东台超凡创新新材料科技有限公司
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