CN104962177A - High-temperature-corrosion-resistant wear-resistant paint for power plant boiler pipelines and preparation method thereof - Google Patents
High-temperature-corrosion-resistant wear-resistant paint for power plant boiler pipelines and preparation method thereof Download PDFInfo
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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
The invention discloses a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint and preparation method thereof, particularly relate to a kind of inorganic mineral material that adopts and prepare high-temperature corrosion resistance wear-resistant coating and preparation method thereof on boiler of power plant pipeline surface, belong to technical field of chemical paint.
Background technology
The demand of fast development to the energy of industry accelerates high-parameters heavy-duty generator group and puts into operation, more and more harsher to boiler surface requirement, the factor such as High Temperature High Pressure and corrosive wear and abnormal running cause the early stage booster of boiler tubing to become the principal element affecting power industry safe operation.Major part power plant of current China mainly solves pipe leakage problem because corrosive wear causes by changing leakage pipe, adopts the method labour intensity greatly, time-consumingly affects power benefit.Therefore solve boiler tubing high-temperature anticorrosion and wear-resistantly become the major issue being directly connected to profit from power plant.The present invention adopts inorganic mineral to be main raw material, by forming inorganic metal complexing layer and Ceramic glaze in metallic surface, prepares high-temperature corrosion resistance, anti abrasive New-type boiler pipeline coatings, improves the benefit of power industry.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint and preparation method thereof is provided, boiler tubing surface preparation coating have high-temperature corrosion resistance, wear-resisting, extend pipeline in advantages such as High Temperature High Pressure strong acid-base corrosive environment working lives, this preparation method adopts inorganic mineral to be that high-temperature anticorrosion paint developed by starting material, solve the problem such as boiler tubing high temperature pressure corrosion and erosive wear resistant, extend the pipeline replacement cycle, promote power industry benefit.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint, this coating is made up of epoxy resin E-20, silicone oligomer, kaolin, wollastonite, talcum powder, potassium felspar sand, albite, nano-calcium carbonate.
A preparation method for boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint, comprises the following steps:
(1) measure dimethylbenzene 5L, epoxy resin E-20 4000-5000g, be placed in isothermal reaction still, keep temperature 90-100 DEG C, be stirred to epoxy resin and all dissolved, form solution A stand-by;
(2) above-mentioned solution A is warming up to 110 DEG C, then takes silicone oligomer 2000-3000g, be slowly added drop-wise in solution A, limit edged stirs, and maintenance stirring velocity is 3000 ~ 5000r/min, forms solution B after reaction 3h;
(3) take that granularity is 3000 object ultrafine kaolin 3000-4000g, granularity is 1200 object wollastonite 300-600 gram, granularity is 1200 object talcum powder 200 grams, granularity is 1200 object potassium felspar sand 100g, granularity is 1200 object albite 100 grams, granularity is 12000 object nano-calcium carbonate 40-80g, measure dehydrated alcohol 10L, be placed in high energy ball mill, after ball milling 3-5h, form slurries C;
(4) pour slurries C into solution B, rapid stirring fully mixes, and keeps stirring velocity at 5000-6000 r/min, namely forms boiler tubing high-temperature anticorrosion paint after stirring 1-3h.
Further, in described step (1): epoxy resin E-20 4500g, water bath heating temperature is 95 DEG C.
Further, in described step (2): silicone oligomer 2500g, stirring velocity is 4000r/min.
Further, in described step (3): 3000 object ultrafine kaolin 3500g, granularity are 1200 object wollastonite 500g.
Further, in described step (3): granularity is 12000 object nano-calcium carbonate 50g.
Further, in described step (4): stirring velocity keeps 6000 r/min, stir 2h.
In sum, preparation method's tool of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint of the present invention is utilized to have the following advantages:
(1) raw materials is based on inorganic mineral raw material, and raw material sources are convenient cheap;
(2) high-temperature anticorrosion paint prepared by forms metal complex layer in metallic surface, and in use forms Ceramic glaze in metallic surface, high temperature resistant more than 1150 DEG C, has high-temperature corrosion resistance, the advantage such as wear-resisting.
Embodiment
A kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint, this coating is made up of epoxy resin E-20, silicone oligomer, kaolin, wollastonite, talcum powder, potassium felspar sand, albite, nano-calcium carbonate.
A preparation method for boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint, comprises the following steps:
(1) measure dimethylbenzene 5L, epoxy resin E-20 4000-5000g, be placed in isothermal reaction still, keep temperature 90-100 DEG C, be stirred to epoxy resin and all dissolved, form solution A stand-by;
(2) above-mentioned solution A is warming up to 110 DEG C, then takes silicone oligomer 2000-3000g, be slowly added drop-wise in solution A, limit edged stirs, and maintenance stirring velocity is 3000 ~ 5000r/min, forms solution B after reaction 3h;
(3) take that granularity is 3000 object ultrafine kaolin 3000-4000g, granularity is 1200 object wollastonite 300-600 gram, granularity is 1200 object talcum powder 200 grams, granularity is 1200 object potassium felspar sand 100g, granularity is 1200 object albite 100 grams, granularity is 12000 object nano-calcium carbonate 40-80g, measure dehydrated alcohol 10L, be placed in high energy ball mill, after ball milling 3-5h, form slurries C;
(4) pour slurries C into solution B, rapid stirring fully mixes, and keeps stirring velocity at 5000-6000 r/min, namely forms boiler tubing high-temperature anticorrosion paint after stirring 1-3h.
Further, in described step (1): epoxy resin E-20 4500g, water bath heating temperature is 95 DEG C.
Further, in described step (2): silicone oligomer 2500g, stirring velocity is 4000r/min.
Further, in described step (3): 3000 object ultrafine kaolin 3500g, granularity are 1200 object wollastonite 500g.
Further, in described step (3): granularity is 12000 object nano-calcium carbonate 50g.
Further, in described step (4): stirring velocity keeps 6000 r/min, stir 2h.
In sum, preparation method's tool of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint of the present invention is utilized to have the following advantages:
(1) raw materials is based on inorganic mineral raw material, and raw material sources are convenient cheap;
(2) high-temperature anticorrosion paint prepared by forms metal complex layer in metallic surface, and in use forms Ceramic glaze in metallic surface, high temperature resistant more than 1150 DEG C, has high-temperature corrosion resistance, the advantage such as wear-resisting.
This enforcement must be also most preferred embodiment of the present invention, as long as scope carries out expanding or reducing experiment within the scope of this announcement and according to content of the present invention, is all content disclosed by the invention, all protects by the present invention.
Claims (7)
1. a boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint, this coating is made up of epoxy resin E-20, silicone oligomer, kaolin, wollastonite, talcum powder, potassium felspar sand, albite, nano-calcium carbonate.
2. a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 1, its preparation method comprises the following steps:
(1) measure dimethylbenzene 5L, epoxy resin E-20 4000-5000g, be placed in isothermal reaction still, keep temperature 90-100 DEG C, be stirred to epoxy resin and all dissolved, form solution A stand-by;
(2) above-mentioned solution A is warming up to 110 DEG C, then takes silicone oligomer 2000-3000g, be slowly added drop-wise in solution A, limit edged stirs, and maintenance stirring velocity is 3000 ~ 5000r/min, forms solution B after reaction 3h;
(3) take that granularity is 3000 object ultrafine kaolin 3000-4000g, granularity is 1200 object wollastonite 300-600 gram, granularity is 1200 object talcum powder 200 grams, granularity is 1200 object potassium felspar sand 100g, granularity is 1200 object albite 100 grams, granularity is 12000 object nano-calcium carbonate 40-80g, measure dehydrated alcohol 10L, be placed in high energy ball mill, after ball milling 3-5h, form slurries C;
(4) pour slurries C into solution B, rapid stirring fully mixes, and keeps stirring velocity at 5000-6000 r/min, namely forms boiler tubing high-temperature anticorrosion paint after stirring 1-3h.
3. the preparation method of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 2, it is characterized in that: in described step (1): epoxy resin E-20 4500g, water bath heating temperature is 95 DEG C.
4. the preparation method of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 2, it is characterized in that: in described step (2): silicone oligomer 2500g, stirring velocity is 4000r/min.
5. the preparation method of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 2, is characterized in that: in described step (3): 3000 object ultrafine kaolin 3500g, granularity are 1200 object wollastonite 500g.
6. the preparation method of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 2, is characterized in that: in described step (3): granularity is 12000 object nano-calcium carbonate 50g.
7. the preparation method of a kind of boiler of power plant pipeline high-temperature corrosion resistance wear-resistant paint according to claim 2, is characterized in that: in described step (4): stirring velocity keeps 6000 r/min, stirs 2h.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118458A (en) * | 2016-06-30 | 2016-11-16 | 贵州德江韫韬科技有限责任公司 | A kind of fire-resistant oxidation resistant coating of solar energy lamppost and preparation method thereof |
| CN107052349A (en) * | 2017-04-20 | 2017-08-18 | 华能国际电力股份有限公司 | A kind of method that wall surface is modified inside and outside austenitic steel boiler tube |
| CN110108631A (en) * | 2019-05-20 | 2019-08-09 | 上海应用技术大学 | The prediction technique of stainless steel tube service life in a kind of coal damping machine |
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2015
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| JPS56143265A (en) * | 1980-04-11 | 1981-11-07 | Kyokuto Gomme Kk | Corrosion-resistant rust-inhibiting protecting agent for wet heat |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118458A (en) * | 2016-06-30 | 2016-11-16 | 贵州德江韫韬科技有限责任公司 | A kind of fire-resistant oxidation resistant coating of solar energy lamppost and preparation method thereof |
| CN107052349A (en) * | 2017-04-20 | 2017-08-18 | 华能国际电力股份有限公司 | A kind of method that wall surface is modified inside and outside austenitic steel boiler tube |
| CN110108631A (en) * | 2019-05-20 | 2019-08-09 | 上海应用技术大学 | The prediction technique of stainless steel tube service life in a kind of coal damping machine |
| CN110108631B (en) * | 2019-05-20 | 2021-11-19 | 上海应用技术大学 | Prediction method for service life of stainless steel pipe in coal conditioner |
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Application publication date: 20151007 |