CN1133331A - Polyphenyl sulfoether resin anti-corrosive paint - Google Patents
Polyphenyl sulfoether resin anti-corrosive paint Download PDFInfo
- Publication number
- CN1133331A CN1133331A CN 95110162 CN95110162A CN1133331A CN 1133331 A CN1133331 A CN 1133331A CN 95110162 CN95110162 CN 95110162 CN 95110162 A CN95110162 A CN 95110162A CN 1133331 A CN1133331 A CN 1133331A
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- still
- coating
- acid
- suspension
- polyphenyl
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Abstract
The present invention discloses a polyphenylene sulfide resin anticorrosive coating used on the acid tar small still of coking plant. Said coating is made up by using polyphenylene sulfide resin powder, industrial diabase powder and industrial ethyl alcohol as raw materials. Firstly, the above-mentioned raw materials are made into a suspension, then the suspension is ground and made into the invented anticorrosive coating with acid-resisting and alkali-resisting properties. Said coating material can be applied to the internal wall of acid tar small still, then an anticorrosive coating layer is formed, so that said small still can be used for 3 years, not only can be substituted for stainless steel still, titanium still, but also its cost is reduced.
Description
The invention belongs to coating, be specially a kind of polyphenyl sulfoether resin anti-corrosive paint that is used on the little still of coke-oven plant's acid tar.
In the equipment in refining benzene workshop, coke-oven plant, a kind of reactor that is called the little still of acid tar is arranged, this still is because of being to use mutually alternately and under the processing condition of 100 ℃ temperature in the bronsted lowry acids and bases bronsted lowry liquid phase, to the material of making this still require can be acidproof again can be alkaline-resisting.This still generally is to manufacture with stainless steel plate, titanium plate at present, or the still liner is with the porcelain plate of acid-fast alkali-proof.Use stainless steel plate, titanium plate to manufacture, higher because of material price, make the expense of manufacturing cost higher, and lining is when trouble is taken a lot of work with the porcelain plate of acid-fast alkali-proof, and the little still of the acid tar of above-mentioned three kinds of materials is very undesirable again work-ing life.Therefore need a kind of not only acidproof but also alkali proof coating, coating is coated on the internal surface of the little still of acid tar that the carbon steel steel plate manufactures, to satisfy the processing condition requirement.
The purpose of this invention is to provide a kind of polyphenyl sulfoether resin anti-corrosive paint, this coating is because of acid-fast alkali-proof, on the internal surface that is sprayed on the little still of acid tar that the carbon steel steel plate manufactures, forms protective layer through plasticizing, alternative stainless steel still, titanium still or acid and alkali-resistance porcelain plate have satisfied the processing requirement of still.
To achieve these goals, the present invention is to be raw material with polyphenylene sulfide resin cosmetics, industrial diabase flour, industrial alcohol, is mixed with suspension earlier, grinds again.
Coating of the present invention can be sprayed on the still internal surface of the little still of coke-oven plant's acid tar, coating combines firmly with the internal surface of still after plastifying, form the acidproof and alkali proof protective system layer of one deck, be used for the internal layer protective system of the little still of acid tar that coke-oven plant's carbon steel steel plate manufactures.The little still of acid tar sulfuric acid (90-93%) and alkali (34-37%) mutually alternately, temperature is under 100 ℃ processing condition, after spraying this coating, the little still of acid tar can use 3 years, minimumly also reach 1 year, be 3 times of stainless steel still work-ing life, being 4 times of titanium still, is lining 10 times with the acid and alkali-resistance porcelain plate, and its cost is respectively above-mentioned three's 1/3,1/5 and 1/2.
This coating is except the internal layer protective system of the little still of acid tar that can be used for the coke-oven plant, because it has preferably acid resistance (except that oxidisability acid, organic acid or mineral acid to other all have acid resistance) and alkali resistance, can also be used for the protection against corrosion of chemical industry equipment.
Below in conjunction with embodiment the present invention is done to be described in detail:
It is as follows to prepare the present invention used raw material and proportioning (weight):
100 parts in polyphenylene sulfide acid resin powder (granularity 100 μ m)
Industry diabase flour (granularity 90 μ m) 10-25 parts
400-700 parts of industrial alcohols (95-98%)
Its preparation process is with behind the above-mentioned material metage, mixes, and is mixed with suspension, suspension is put into ball grinder or the colloidal mill that rotating speed is 60-80 rev/mins of sealings again and is ground 24 hours, promptly gets the protective system of grey pulpous state.
Embodiment:
With polyphenylene sulfide resin cosmetics (granularity 100 μ m) 100kg, industry diabase flour (granularity 90 μ m) 20kg, industrial alcohol (95-98%) 600kg mix mutually, be mixed with suspension, the ball grinder of suspension being put into rotating speed again and be 60-80 rev/mins of sealings ground 24 hours, promptly obtained 718kg grey slurry coating material.
Spraying coating process process of the present invention is:
1, the metal finishing that is sprayed: for used still, advanced row metal surface treatment sprays the degreaser emulsion agent on the metallic surface, and to remove the greasy dirt of metallic surface, the raw material and the proportioning of its degreaser emulsion agent are as follows:
Proportioning raw materials (weight %)
Kerosene 67
Turps 22.5
Lauric acid 5.4
Trolamine 3.6
Ethylene glycol butyl ether 1.5
To remove the little still of smeary acid tar then, and put into 350-360 ℃ of heating of sintering oven 1 hour, the Residual oil carbonization adopts the adding pressure type dry method to carry out sandblast again, and the blasting craft condition is as follows:
Sand-blast material: quartz sand
Sand grains diameter: all by the 5mm screen(ing) machine
Minimum air pressure: the 0.5MPa in nozzle ingress
Nozzle minimum diameter: 6-8mm
Nozzle angle: 30 °-75 °
Spray distance: 80-200mm
After the sandblasting, blow off with the clean pressurized air of 0.8MPa again, use industrial alcohol flushing surface at last, anticorrosion with painting coating behind the airing.
2, the spraying of protective system
Coating is put into feed pot, with 0.2-1.0MPa pressure air ejection material, with the even mobile nozzle of 2 meters/component velocity, and appropriateness is rotated the kettle that is sprayed, to guarantee that coating is even, put into sintering oven after with the pressurized air of 0.5MPa the ethanol in the coating being dried up again and plastify.
3, plasticizing
Behind each anticorrosion with painting coating, dope layer all will plastify, and the thickness that finally reaches dope layer is 0.3-0.5mm, and dope layer is avoided any collision and impact therebetween, forms satisfactory dope layer at last.Its plastifying processing condition are as shown in the table:
| Number of times condition project | ????1 | ????2 | ????3 | ????4 | ????5 |
| Thickness of coating layer (mm) | 0.15 | ?0.15 | ?0.15 | ?0.15 | ?0.15 |
| Plasticization temperature (℃) | 290 | ?360 | ?370 | ?370 | ?370 |
| Fusion time (mim) | 15 | ?30 | ?30 | ?30 | ?30 |
| Tapping temperature (℃) | 200 | ?200 | ?200 | ?200 | ?200 |
The protective system layer quality index that obtains after above-mentioned spraying is:
Outward appearance: smooth smooth, be lead
Wear resistance: 0.02 gram (wear loss)
Stripping strength: 3.95 kilograms per centimeter
2
Coating film thickness: 0.30-0.45mm
Claims (1)
1, a kind of polyphenyl sulfoether resin anti-corrosive paint is characterized in that, prepares the used raw material of this coating and proportioning (weight) is:
100 parts in polyphenylene sulfide resin cosmetics (granularity 100 μ m)
Industry diabase flour (granularity 90 μ m) 10-25 parts
400-700 parts of industrial alcohols (95-98%)
Its preparation process is with behind the above-mentioned material metage, mixes, and is mixed with suspension, and the ball grinder of suspension being put into rotating speed again and be 60-80 rev/mins of sealings ground 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110162 CN1133331A (en) | 1995-04-12 | 1995-04-12 | Polyphenyl sulfoether resin anti-corrosive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110162 CN1133331A (en) | 1995-04-12 | 1995-04-12 | Polyphenyl sulfoether resin anti-corrosive paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1133331A true CN1133331A (en) | 1996-10-16 |
Family
ID=5077574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95110162 Pending CN1133331A (en) | 1995-04-12 | 1995-04-12 | Polyphenyl sulfoether resin anti-corrosive paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1133331A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368494C (en) * | 2006-03-01 | 2008-02-13 | 陆丕禾 | Water-base heat insulating building paint and its pot rolling prepn process |
| CN100427784C (en) * | 2002-10-08 | 2008-10-22 | Ntn株式会社 | Electrolytic corrosion preventive antifriction bearing |
| CN101857770A (en) * | 2010-05-27 | 2010-10-13 | 北京航空航天大学 | Hydrophobic coating material for geothermal water conveying metal pipe and one-step film forming method for preparing hydrophobic coating |
| CN105238113A (en) * | 2015-11-13 | 2016-01-13 | 江苏有能电力自动化有限公司 | Efficient, convenient and rapid mobile monitoring device |
| CN107931076A (en) * | 2017-11-30 | 2018-04-20 | 安徽雷萨重工机械有限公司 | A kind of method for lifting clump weight surface abrasion resistance |
-
1995
- 1995-04-12 CN CN 95110162 patent/CN1133331A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427784C (en) * | 2002-10-08 | 2008-10-22 | Ntn株式会社 | Electrolytic corrosion preventive antifriction bearing |
| CN100368494C (en) * | 2006-03-01 | 2008-02-13 | 陆丕禾 | Water-base heat insulating building paint and its pot rolling prepn process |
| CN101857770A (en) * | 2010-05-27 | 2010-10-13 | 北京航空航天大学 | Hydrophobic coating material for geothermal water conveying metal pipe and one-step film forming method for preparing hydrophobic coating |
| CN101857770B (en) * | 2010-05-27 | 2012-10-10 | 北京航空航天大学 | Hydrophobic coating material for geothermal water conveying metal pipe and one-step film forming method for preparing hydrophobic coating |
| CN105238113A (en) * | 2015-11-13 | 2016-01-13 | 江苏有能电力自动化有限公司 | Efficient, convenient and rapid mobile monitoring device |
| CN107931076A (en) * | 2017-11-30 | 2018-04-20 | 安徽雷萨重工机械有限公司 | A kind of method for lifting clump weight surface abrasion resistance |
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