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A kind of anti-corrosion coating and its application

An anti-corrosion and coating technology, applied in the field of coatings, can solve the problems of high price and independent development of high-precision turbine equipment, and achieve the effect of improving compatibility, high strength, and stabilizing technical requirements

Active Publication Date: 2020-11-10
DONGFANG TURBINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, the anti-corrosion coatings used in the water-liquid passage and / or steam passage of high-precision turbine equipment have been monopolized by foreign companies, which is not only expensive, but also has a negative impact on the independent development of high-precision turbine equipment in my country. technical constraints

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The raw material ratio of the present invention is composed of the following parts by weight: 45 parts of vinyl resin, 21 parts of vinyl benzene, 4 parts of iron oxide red, 2 parts of aluminum powder, 0.5 part of barium sulfate, 1.2 parts of zinc powder, 4.5 parts of zinc phosphate, 2 parts of talc, 2 parts of silicon dioxide, 5 parts of ethanol, 1 part of butanol, 0.5 parts of isopropanol.

[0037] The above-mentioned anti-corrosion coatings are respectively used as equipment surface coatings for water-liquid passages and steam passages of steam turbine units.

Embodiment 2

[0039] The raw material ratio of the present invention is composed of the following parts by weight: 55 parts of vinyl resin, 25 parts of vinylbenzene, 3 parts of iron oxide red, 2 parts of aluminum powder, 0.8 part of barium sulfate, 0.8 part of zinc powder, 3.5 parts of zinc phosphate, 3.2 parts of talc, 0.8 parts of silicon dioxide, 4 parts of ethanol, 1.5 parts of butanol, and 1 part of isopropanol.

[0040] The above-mentioned anti-corrosion coatings are respectively used as equipment surface coatings for water-liquid passages and steam passages of steam turbine units.

Embodiment 3

[0042] The raw material ratio of the present invention is composed of the following parts by weight: 68 parts of vinyl resin, 27 parts of vinylbenzene, 5 parts of iron oxide red, 3 parts of aluminum powder, 1.5 parts of barium sulfate, 1.5 parts of zinc powder, 5.5 parts of zinc phosphate, 2.5 parts of talc, 1.5 parts of silicon dioxide, 2.5 parts of ethanol, 2 parts of butanol, and 2 parts of isopropanol.

[0043] The above-mentioned anti-corrosion coatings are respectively used as equipment surface coatings for water-liquid passages and steam passages of steam turbine units.

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PUM

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Abstract

The invention discloses an anti-corrosion coating and its application. The raw material ratio of the coating is composed of the following parts by weight: 40-80 parts of vinyl resin, 14-30 parts of vinyl benzene, 3-5 parts of iron oxide red, 2-3 parts of aluminum powder, and 0.1-2 parts of barium sulfate , 0.8-2 parts of zinc powder, 3-6.5 parts of zinc phosphate, 1-3.2 parts of talcum powder, 0.2-3 parts of silicon dioxide, 2.5-8.5 parts of ethanol, 0.2-2 parts of butanol, 0.2-2 parts of isopropanol . The invention can effectively, reliably and stably meet the technical requirements for restricted elements and harmful substances in RCC-M, thereby fully meeting the technical requirements for using anti-corrosion coatings on the surface of high-precision turbine equipment, and is especially suitable for the water liquid of steam turbine units Equipment surface coating of channels and / or steam channels.

Description

technical field [0001] The invention relates to a coating, in particular to an anti-corrosion coating and the application of the anti-corrosion coating. Background technique [0002] Anti-corrosion coatings refer to materials that are coated on the surface of an object and form a thin film under certain conditions to protect and decorate the coated object. [0003] Although many existing domestic coatings have good anti-corrosion effects, they usually contain more or less fluorine, sulfur, other halogens, sulfides, fluorides, chlorides and / or nitrites, etc. Harmful substances included. Anti-corrosion coatings containing these harmful substances will basically not have any special effects when used for general object protection, but when they are used for the protection of high-precision turbine equipment-such as fluid passage equipment of steam turbine units, there will be the following technologies Impact: The harmful substances in the anti-corrosion coating are released ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D5/10C09D7/61C09D7/63
CPCC08K3/34C08K3/36C08K5/05C08K13/02C08K2003/0812C08K2003/0893C08K2003/2272C08K2003/3045C08K2003/321C09D5/103C09D5/106C09D163/10
Inventor 李全德倪荣龚显龙戴君巩秀芳胡维成杨功显
Owner DONGFANG TURBINE CO LTD