CN101096460A - Preparation method of temperature-resistant and erosion-resistant coating for walling of flue - Google Patents
Preparation method of temperature-resistant and erosion-resistant coating for walling of flue Download PDFInfo
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- CN101096460A CN101096460A CNA2006100145222A CN200610014522A CN101096460A CN 101096460 A CN101096460 A CN 101096460A CN A2006100145222 A CNA2006100145222 A CN A2006100145222A CN 200610014522 A CN200610014522 A CN 200610014522A CN 101096460 A CN101096460 A CN 101096460A
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Abstract
The invention discloses a high temperature-resistant and corrosion resistant paint making method of flue inwall, which comprises the following steps: blending 100g potassium silicate solution, 2.5g polymethyl triethoxy silane, 0.2g carbon element and 1.7g calcium aluminate evenly; blending 7g silicon phosphate, 11g scale shaped glass, 4.5g hydrated silica and 1g chromic potassium sulfate evenly; blending two composite liquids evenly to coat on the cement board; heating to obtain the coating with thickness at 400pm to resist 350 deg. c and diluted sulfur acid.
Description
Technical field
The present invention relates to a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for.
Background technology
Known heat-resisting organosilicon coating, zinc-rich paint acid corrosion-resistant performance are bad; Acid resistance preferably phenolic coating, epoxy vinyl coating thermotolerance all within 200 ℃; Reach more than 300 ℃ though inorganic sodium silicate mastic is heat-resisting, also have acid resistance, exist hole many, the deficiency that fragility is big can not be used as coating.But the high temperature that phosphoric acid salt zinc-rich paint withstand long term exposure is 500-600 ℃, favorable rust preventing effect, and have characteristics such as fast drying, strong adhesion, hard wear resistant, but its acid resistance dielectric corrosion not.Silicate coating is used for the outer surface of building protection, is not suitable for the protection against corrosion under the acidic medium condition.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for is provided.
Technical scheme of the present invention is: a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for is the coating membrane-forming agent with alkalimetal silicate and organosilicon, 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, and solid materialss such as face, filler through disperseing or grinding and make slurry, are mixed base-material, ancillary component then by the prescription regulation, passes through ball milling, filtration, packing again.Solidifying agent separates packing with base-material.
The present invention has the following advantages: good thermotolerance and acid resistance are arranged, can solidify use at a lower temperature simultaneously, the coating cost is lower.
Embodiment
Embodiment 1: a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for, with raw material potassium silicate solution 100g, gather Union carbide A-162 2.5g, carbon fibre 0.2g earlier, calcium aluminate 1.7g mixes, again with raw material phosphoric acid silicon 7g, flaky-glass 11g, hydrated SiO 2 4.5g, potassium chromium sulfate 1g mixes, above-mentioned two mixing solutions mixings, be coated on the cement test plate (panel), it is 400pm, anti-350 ℃ of temperature, the corrosive of anti-dilute sulphuric acid coating that heating can obtain thickness again.
Embodiment 2: a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for, and sodium silicate solution 100g, sodium methyl silicate 2.5g,, magnesium aluminate 1.6g mixes, again with condensation of aluminum phosphate 8g, flakey mica 8g, SILICA FUME 2.5g, borosilicate fiber 0.7g, silica powder 13g mixes, with above-mentioned mixing solutions mixing, be coated on the iron and steel test plate (panel), be heating and curing, obtain 250pm, anti-400 ℃ of temperature, sulfuric acid corrosion resistant coating.
Claims (1)
1, a kind of high temperature resistant and corrosion resistant preparation method for coating of flue inwall that is used for is characterized in that: sodium silicate solution 100g, and sodium methyl silicate 2.5g,, magnesium aluminate 1.6g mixes, again with condensation of aluminum phosphate 8g, flakey mica 8g, SILICA FUME 2.5g, borosilicate fiber 0.7g, silica powder 13g mixes, with above-mentioned mixing solutions mixing, be coated on the iron and steel test plate (panel), be heating and curing, obtain 250pm, anti-400 ℃ of temperature, sulfuric acid corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100145222A CN101096460A (en) | 2006-06-30 | 2006-06-30 | Preparation method of temperature-resistant and erosion-resistant coating for walling of flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100145222A CN101096460A (en) | 2006-06-30 | 2006-06-30 | Preparation method of temperature-resistant and erosion-resistant coating for walling of flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101096460A true CN101096460A (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100145222A Withdrawn CN101096460A (en) | 2006-06-30 | 2006-06-30 | Preparation method of temperature-resistant and erosion-resistant coating for walling of flue |
Country Status (1)
| Country | Link |
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| CN (1) | CN101096460A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627226A (en) * | 2013-11-27 | 2014-03-12 | 天津市职业大学 | Solar glass antireflection antifouling paint and production method thereof |
| CN111363416A (en) * | 2020-05-21 | 2020-07-03 | 天津市宏越新材料有限公司 | Intumescent steel structure fireproof coating and preparation method and application thereof |
| CN112250351A (en) * | 2020-10-16 | 2021-01-22 | 洛阳嘉德节能科技有限公司 | Anticorrosive and anti-coking coating for coal-fired boiler and spraying method thereof |
-
2006
- 2006-06-30 CN CNA2006100145222A patent/CN101096460A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627226A (en) * | 2013-11-27 | 2014-03-12 | 天津市职业大学 | Solar glass antireflection antifouling paint and production 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 |
| CN111363416A (en) * | 2020-05-21 | 2020-07-03 | 天津市宏越新材料有限公司 | Intumescent steel structure fireproof coating and preparation method and application thereof |
| CN111363416B (en) * | 2020-05-21 | 2022-04-22 | 天津市宏越新材料有限公司 | Intumescent steel structure fireproof coating and preparation method and application thereof |
| CN112250351A (en) * | 2020-10-16 | 2021-01-22 | 洛阳嘉德节能科技有限公司 | Anticorrosive and anti-coking coating for coal-fired boiler and spraying method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |