CN100406531C - Anticorrosive flue paint - Google Patents
Anticorrosive flue paint Download PDFInfo
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- CN100406531C CN100406531C CNB2005100321643A CN200510032164A CN100406531C CN 100406531 C CN100406531 C CN 100406531C CN B2005100321643 A CNB2005100321643 A CN B2005100321643A CN 200510032164 A CN200510032164 A CN 200510032164A CN 100406531 C CN100406531 C CN 100406531C
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Abstract
The present invention relates to anticorrosion flue paint. Alkali metal silicate and organic silicon are film forming agents of the paint, and the content is 17.7 to 78%. Phosphate is used as a curing agent, and the content of the curing agent is 0.1 to 17% of the content of the film forming agents. Fiber and scales are reinforcing materials, and the content of the reinforcing materials is 0.1 to 37% of the content of the film forming agents. Silica powder is used as grading filler, and the content of the grading filler is 0.1 to 91% of the content of the film forming agents. Aluminate is used as a micro swelling agent, and the content of the micro swelling agent is 0.1 to 15% of the content of the film forming agents. The paint contains double components, and is used for resisting heat and dilute acid corrosion to environment on the inner wall of a flue.
Description
Technical field
The present invention relates to a kind of not only heat-resisting but also acid proof anticorrosive coating product, be particularly useful for flue inwall high temperature and diluted acid corrosive environment.
Background technology
Known, chimney and flue have higher temperature, also have the acid attack composition.Known heat-stable coating products such as organic silicon coating, zinc-rich paint acid corrosion-resistant performance are bad; And acid resistance preferably coating products such as phenolic coating, furans coating, epoxy vinyl coating thermotolerance all within 200 ℃; A kind of inorganic sodium silicate mastic product is heat-resisting to be reached more than 300 ℃ though other has, and also has acid resistance, exists hole many, and the deficiency that fragility is big can not be used as coating.Document [1] but the high temperature of 500～600 ℃ of the phosphoric acid salt zinc-rich paint withstand long term exposure of development, favorable rust preventing effect, and have characteristics such as fast drying, strong adhesion, hard wear resistant, but its acid resistance dielectric corrosion not.Document [2] has been introduced a kind of silicate coating, is coated on the base material and toasts 1h down at 130～200 ℃.This product generally is used for the outer surface of building protection, is not suitable for the protection against corrosion under the acidic medium condition.
For overcoming the acidproof and heat-resisting deficiency that can not take into account simultaneously of above-mentioned anticorrosive coating product, the present invention relates to the heat-resisting acid-resistant anticorrosion paint of a kind of chimney, the acid resistance that it has good thermotolerance to become reconciled can be solidified use simultaneously at a lower temperature.
Summary of the invention
It is to be the coating compound film former with alkalimetal silicate and organosilicon that the present invention solves this technical problem institute employing method, and its content is 17.7-78%; Phosphoric acid salt is solidifying agent, and its content is the 0.1-17% of membrane-forming agent; Fiber and scale are strongthener, and its content is the 0.1-37% of membrane-forming agent; Siliceous powder is a graded stuffing, and its content is the 0.1-91% of membrane-forming agent; Aluminate is a micro-expanding agent, and its content is the 0.1-15% of membrane-forming agent.
Formulation principle is alkalimetal silicate and organosilicon
After compoundHave heat-resisting and acid resistance, the coating after fully solidifying can be used in high temperature and sour environment for a long time; Phosphate firming agent can the deeply-curing alkalimetal silicate; Contraction when micro-expanding agent can compensating coating solidifies; Graded stuffing can be adjusted coating thermal expansivity and density; Scale and fiber play enhancement to coating.
Coating adopts two-pack, and a component is an alkali metal silicate aqueous solution, and another component is pulvis or the soup compound that filler, solidifying agent, auxiliary agent mix.Also can be that a component is alkali metal silicate aqueous solution, color stuffing, auxiliary agent in addition, another component be a solidifying agent.Two components are mixed before construction, are painted on the flue inwall with suitable technology then.The preparation technology of this coating and other coating are similar.Earlier solid materialss such as face, filler are made slurry through dispersion or grinding, then base-material, ancillary component are pressed the mixing of prescription regulation, pass through ball milling, filtration, packing again.Solidifying agent separates packing with base-material.
Embodiment
Example 1 raw material a potassium silicate solution 100g, b phosphoric acid silicon 7g part, c flaky-glass 11g, d gathers Union carbide A-162 2.5g, e hydrated SiO 2 4.5g, f carbon fibre 0.2g, g potassium chromium sulfate 1g, h calcium aluminate 1.7g.
Earlier raw material a, d, f, h being one group mixes, again raw material b, c, e, g are mixed for another group, first component and second component mixing, be coated on the cement test plate (panel), it is 400 μ m, anti-350 ℃ of temperature, the corrosive of anti-dilute sulphuric acid coating that heating can obtain thickness again.
Example 2 raw material a sodium silicate solution 100g, b condensation of aluminum phosphate 8g part, c flakey mica 8g, d sodium methyl silicate 2.5g, e SILICA FUME 2.5g, f borosilicate fiber 0.7g, g silica powder 13g, h magnesium aluminate 1.6g
Raw material a, d, h are one group mix that b, c, e, f, another group of g mix, two groups of mixings are coated on the iron and steel test plate (panel), are heating and curing, and obtain 250 μ m, anti-400 ℃ of temperature, sulfuric acid corrosion resistant coating.
This coating is two-pack, is used for the heat-resisting and corrosive environment of anti-diluted acid of flue inwall.260-430 ℃ of coating heatproof, acid resistance medium for a long time.The coating cost is lower.
Claims (6)
1. an anticorrosive flue paint is characterized in that alkalimetal silicate and organosilicon are the coating compound film former; Phosphoric acid salt is solidifying agent; Fiber and scale are strongthener jointly; Aluminate is a micro-expanding agent; Siliceous powder is a graded stuffing.
2. anticorrosive flue paint according to claim 1, it is characterized in that alkalimetal silicate and organosilicon compound film former are wherein two or more compound of water glass, potassium silicate, lithium silicate, sodium methyl silicate, poly-Union carbide A-162, its content is 17.7-78%.
3. anticorrosive flue paint according to claim 1 is characterized in that phosphate firming agent is aluminum phosphate, phosphoric acid silicon or the mixture of the two, and its content is the 0.1-17% of membrane-forming agent.
4. anticorrosive flue paint according to claim 1, it is characterized in that scale and fiber reinforced material are mica flake, borosilicate scale, graphite scale, resistant metal scale and carbon fiber, borosilicate fiber, resistant metal fiber, the wherein two or more combination of fibrous magnesium silicate, its content is the 0.1-37% of membrane-forming agent.
5. anticorrosive flue paint according to claim 1 is characterized in that the aluminate micro-expanding agent is calcium aluminate, magnesium aluminate or its double salt, and its content is the 0.1-15% of membrane-forming agent.
6. anticorrosive flue paint according to claim 1 is characterized in that it is silicon powder, hydrated SiO 2, silica powder, ceramic powder or wherein two or more combinations that the silex final stage is joined filler, and its content is the 0.1-91% of membrane-forming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100321643A CN100406531C (en) | 2005-09-16 | 2005-09-16 | Anticorrosive flue paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100321643A CN100406531C (en) | 2005-09-16 | 2005-09-16 | Anticorrosive flue paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740253A CN1740253A (en) | 2006-03-01 |
| CN100406531C true CN100406531C (en) | 2008-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100321643A Expired - Fee Related CN100406531C (en) | 2005-09-16 | 2005-09-16 | Anticorrosive flue paint |
Country Status (1)
| Country | Link |
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| CN (1) | CN100406531C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702963B (en) * | 2012-06-28 | 2015-07-15 | 福建百花化学股份有限公司 | Sulfur-containing flue anticorrosion paint and preparation method thereof |
| CN103627226B (en) * | 2013-11-27 | 2015-09-23 | 天津中科化工有限公司 | A kind of solar energy glass antireflective antifouling paint and production method thereof |
| CN108017974A (en) * | 2017-12-27 | 2018-05-11 | 洛阳神佳窑业有限公司 | A kind of preparation method of fireproof coating |
| CN108929096A (en) * | 2018-08-13 | 2018-12-04 | 山东科宇能源有限公司 | Novel flue anticorrosive paint |
| CN108997604A (en) * | 2018-09-08 | 2018-12-14 | 佛山市禅城区诺高环保科技有限公司 | The preparation method of iron film is covered in a kind of anticorrosion |
| CN113337145B (en) * | 2021-06-03 | 2022-03-01 | 苏州大学 | MXene reinforced silicate adhesive ceramic coating and preparation method thereof |
| CN113698802B (en) * | 2021-08-24 | 2022-04-22 | 金隅微观（沧州）化工有限公司 | Graphene hybridized organic-inorganic anticorrosive paint and preparation method thereof |
| CN116769400B (en) * | 2023-05-19 | 2024-04-19 | 广州力盾环保工程有限公司 | Plugging material for dry suction tower flue gas pipeline and plugging method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468924A (en) * | 2003-06-02 | 2004-01-21 | 海洋化工研究院 | Synthesis of high-molar ratio potassium silicate adhesive and aqueous anticorrosive paint composition |
| US20040062873A1 (en) * | 2000-10-11 | 2004-04-01 | Christian Jung | Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way |
| CN1580160A (en) * | 2003-08-03 | 2005-02-16 | 陈泽峰 | Temperature-proof anticorrosive coating |
| US20050175831A1 (en) * | 2004-02-06 | 2005-08-11 | Dong-Ryul Kim | Plastic substrate having multi-layer structure and method for preparing the same |
-
2005
- 2005-09-16 CN CNB2005100321643A patent/CN100406531C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040062873A1 (en) * | 2000-10-11 | 2004-04-01 | Christian Jung | Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way |
| CN1468924A (en) * | 2003-06-02 | 2004-01-21 | 海洋化工研究院 | Synthesis of high-molar ratio potassium silicate adhesive and aqueous anticorrosive paint composition |
| CN1580160A (en) * | 2003-08-03 | 2005-02-16 | 陈泽峰 | Temperature-proof anticorrosive coating |
| US20050175831A1 (en) * | 2004-02-06 | 2005-08-11 | Dong-Ryul Kim | Plastic substrate having multi-layer structure and method for preparing the same |
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| Publication number | Publication date |
|---|---|
| CN1740253A (en) | 2006-03-01 |
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