High-temperature-corrosion-resistant wear-resistant paint for power plant boiler pipelines and preparation method thereof

A technology of high-temperature corrosion-resistant and wear-resistant coatings, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of affecting power generation efficiency, high labor intensity, labor and time-consuming, etc., and achieve the effect of convenient and cheap raw material sources

Inactive Publication Date: 2015-10-07
广东华材实业股份有限公司 +1
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  • Summary
  • Abstract
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  • Application Information

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Problems solved by technology

At present, most power plants in my country mainly solve the problem of pipeline leakage caused by corrosion and wear by replacing leaking pipelines. This method is labor-intensive, labor-intensive and time-consuming, which affects power generation efficiency.

Method used

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Embodiment Construction

[0020] A high-temperature corrosion-resistant and wear-resistant coating for boiler pipes in power plants, the coating is composed of epoxy resin E-20, organic silicon oligomers, kaolin, wollastonite, talcum powder, potassium feldspar, albite feldspar, and nano-calcium carbonate .

[0021] A method for preparing a high-temperature corrosion-resistant wear-resistant coating for boiler pipes in a power plant, comprising the following steps:

[0022] (1) Measure 5L of xylene and 4000-5000g of epoxy resin E-20, put them in a constant temperature reactor, keep the temperature at 90-100°C, stir until the epoxy resin is completely dissolved, and form solution A for use;

[0023] (2) Heat the above solution A to 110°C, then weigh 2000-3000g of silicone oligomer, slowly add it dropwise to solution A, stir while adding, keep the stirring speed at 3000-5000r / min, and react for 3 hours Solution B is formed;

[0024] (3) Weigh 3000-4000g of superfine kaolin with a particle size of 3000 m...

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Abstract

The invention discloses a high-temperature-corrosion-resistant wear-resistant paint for power plant boiler pipelines and a preparation method thereof, and particularly relates to a high-temperature-corrosion-resistant wear-resistant coating prepared from an inorganic mineral material on a power plant boiler pipeline surface and a preparation method thereof, belonging to the technical field of chemical paints. The paint is composed of an epoxy resin E-20, an organosilicon low polymer, kaolin, wollastonite, talcum powder, potash feldspar, albite and nano calcium carbonate. The paint is a high-temperature corrosion-resistant developed by using the inorganic mineral as the raw material, solves the problems of high-temperature high-pressure corrosion, scour abrasion resistance and the like in the boiler pipeline, prolongs the pipeline replacement period, and enhances the benefit of the power generation industry.

Description

technical field [0001] The invention discloses a high-temperature corrosion-resistant and wear-resistant coating for power plant boiler pipes and a preparation method thereof, in particular to a high-temperature corrosion-resistant wear-resistant coating prepared on the surface of a power plant boiler pipe by using inorganic mineral materials and a preparation method thereof, belonging to chemical coatings technology field. Background technique [0002] The rapid development of industry and the demand for energy have accelerated the operation of high-parameter and large-capacity generator sets. The requirements for the heating surface of the boiler are becoming more and more stringent. Factors such as high temperature, high pressure, corrosion and wear, and abnormal operation have caused early explosion of boiler pipes. The main factors affecting the safe operation of the power generation industry. At present, most power plants in my country mainly solve the problem of pipe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D183/04C09D5/08C09D7/12
Inventor 李新唐知桥吴信唐子奉
Owner 广东华材实业股份有限公司
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