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Anticorrosive ethenyl ester resin glass flake surface coating paint forwet flue desulfating equipment

A vinyl ester resin, wet flue gas desulfurization technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of difficult maintenance and high material cost, and achieve the effects of convenient construction, good temperature resistance and low cost.

Inactive Publication Date: 2006-11-15
JIANGSU LANLING CHEMICAL GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantages of high cost and difficult maintenance of the materials used in the anti-corrosion of flue gas desulfurization equipment, the present invention provides a vinyl ester resin glass flake surface coating for anti-corrosion of wet flue gas desulfurization equipment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Specific composition and weight of an optimal vinyl ester resin glass flake coating for wet desulfurization units:

[0021] ingredient name

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Embodiment 2

[0025] Concrete composition and weight of vinyl ester resin glass flake coating for wet desulfurization unit:

[0026] ingredient name

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Embodiment 3

[0030] Concrete composition and weight of vinyl ester resin glass flake coating for wet desulfurization unit:

[0031] ingredient name

[0032]

[0033] ingredient name

[0034] The preparation of the present invention is carried out by general preparation process, and its preparation process is as follows:

[0035] Preparation of vinyl ester resin glass flake coating (primer coating) for wet desulfurization unit: firstly, the vinyl resin, filler and solvent are prepared in proportion; It is uniform; put it into a sand mill for grinding, and after the grinding reaches a fineness of ≤40μm, put it into a dispersion kettle, add accelerators in proportion, mix evenly, and pack it as component A. Then package the curing agent as component B. During on-site construction, mix components A and B in proportion before use.

[0036] Preparation of vinyl ester resin glass flake coating (intermediate coating) for wet desulfurization unit: firstly, vinyl re...

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Abstract

The invention relates to vinyl ester resin glass scale coating for anti-corrosion of the wet fume sweetener for electric power plant which is composed of the vinyl ester resin 31.13-55.22%, assistant 1.75-2.97%, dyestuff 1.07-2.97%, the glass scale 2.19-14.92%, the thixotropic agent 2.00-3.41%, the solvent0.01-0.30%, the accelerator 0.37-0.58%, the firming agent 0.90-1.27% and the filler 26.44-55.66%. The invention has the good impermeability and wearing resistance, low shrinkage ratio and thermal expansion coefficient. So it can be used under 180DEG C in long time, also it can resist to 220DEG C.

Description

technical field [0001] The invention relates to an anti-corrosion coating, in particular to a vinyl ester resin glass flake surface coating coating suitable for anti-corrosion of wet flue gas desulfurization equipment in power plants. Background technique [0002] In the wet flue gas desulfurization process, there is corrosion in every link of the desulfurization system, and there are various forms of corrosion, mainly including: chemical corrosion, electrochemical corrosion, high temperature corrosion, crystallization corrosion, and abrasion corrosion. At present, the anti-corrosion material of flue gas desulfurization equipment is often made of nickel-based alloy or carbon steel with high-nickel alloy plate inside. They all have the following disadvantages: high cost and difficult maintenance. Contents of the invention [0003] In order to overcome the disadvantages of high cost and difficult maintenance of the materials used in the anti-corrosion of flue gas desulfuriza...

Claims

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Application Information

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IPC IPC(8): C09D201/02C09D5/08
Inventor 魏富榕夏泽是银峰陈建刚高新田
Owner JIANGSU LANLING CHEMICAL GROUP CO LTD