CN104529373A - High-temperature-resisting anti-corrosion crucible - Google Patents
High-temperature-resisting anti-corrosion crucible Download PDFInfo
- Publication number
- CN104529373A CN104529373A CN201410770027.9A CN201410770027A CN104529373A CN 104529373 A CN104529373 A CN 104529373A CN 201410770027 A CN201410770027 A CN 201410770027A CN 104529373 A CN104529373 A CN 104529373A
- Authority
- CN
- China
- Prior art keywords
- crucible
- powder
- coating
- orders
- particle diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a high-temperature-resisting anti-corrosion crucible which comprises a crucible base body and a coating layer paved on the surface of the crucible base body, wherein the coating layer is prepared from the following raw materials in percentage by weight: 40-50% of mullite powder, 30-40% of alumina powder, 10-20% of cordierite powder and 5-10% of aluminum silicate cement; the crucible base body is a crucible which is made of a high-temperature resisting material in the market. The preparation method mainly comprises the following steps: preparing a coating, washing and coating. The high-temperature-resisting anti-corrosion crucible disclosed by the invention can endure high temperature being greater than 900-1000 DEG C and is good in chemical stability and very high in oxidation resistance and acid/alkali corrosion property, the coating layer is high in binding force with the crucible base body, is not easy to drop off, free of material contamination, long in anti-corrosion period and high in efficiency, and moreover the preparation process is simple, easy to operate and beneficial in popularization and application.
Description
Technical field
The invention belongs to crucible anticorrosion process field, particularly a kind of fire resistant anticorrosive crucible.
Background technology
Crucible is the container of fusing and finishing metal liquid and solid-liquid heating, reaction, is the guarantee chemical reaction basis of carrying out smoothly.According to the difference of raw materials for production, crucible can be divided into plumbago crucible, clay crucible, metallic crucible, quartz crucible etc.But quartz crucible and the corrosion of porcelain crucible matter crisp and alkali resistance poor, metallic crucible (as Iron reutilization) easily corrosion, oxidation resistance is poor, although high temperature resistant, the corrosion resistant ability of plumbago crucible is slightly stronger, but production cost is higher, oxidation resistance is poor under the high temperature conditions.Generally speaking, these crucibles have a common shortcoming to be exactly corrosion resistance difference, easily oxidized under the high temperature conditions.Protection against corrosion crucible conventional at present smears anticorrosive coating coating on crucible base top layer.But there are the following problems for existing protection against corrosion crucible: (1) anticorrosion cycle is short; (2) corrosion protection coating operation sequence is complicated, and conditional request is harsh; And in use easily produce toxic gas, contaminate environment, and very large to the harm of human body; (3) preservative activity is single, and inefficiency adopts the crucible of acid-resistant anti-corrosion coating for acid material, adopts the crucible of alkaline-resisting corrosion protection coating for alkaline material; (4) crucible corrosion protection coating resistance to elevated temperatures is poor; (5) binding ability of coating and crucible base is poor, easily comes off, contaminated material.
Summary of the invention
For existing fire resistant anticorrosive crucible Problems existing, the object of the present invention is to provide a kind of fire resistant anticorrosive crucible and preparation method thereof.It is strong that this fire resistant anticorrosive crucible has high temperature resistant, acid-alkali-corrosive-resisting ability, coating difficult drop-off, and the anticorrosion cycle is long, efficiency is high, effectively can solve the problem of crucible resistance to oxidation, acid-alkali-corrosive-resisting ability; And preparation method is simple, easy to operate, pollution-free.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 40 ~ 50% mullite powders, 30 ~ 40% aluminum oxide powders, 10 ~ 20% trichroite powder and 5 ~ 10% pure aluminium silicate cement.
According to above-mentioned fire resistant anticorrosive crucible, the particle diameter of described mullite powder is 300 ~ 500 orders, and the particle diameter of aluminum oxide powder is 300 ~ 500 orders, and the particle diameter of trichroite powder is 50 ~ 100 orders, and the particle diameter of pure aluminium silicate cement is 150 ~ 300 orders.
The preparation method of above-mentioned fire resistant anticorrosive crucible, comprises the following steps:
(1) prepare coating: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, stir 20 ~ 30min after mixing, the mixture be uniformly mixed; Mass ratio (1.2 ~ 1.5) by mixture and water glass: the proportioning of 1 adds water glass in mixture, stirring 30 ~ 40min to mixing, namely obtaining coating;
(2) clean: with the surfaces externally and internally of alcohol or water cleaning crucible matrix, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 1 ~ 5 layer of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
According to the preparation method of above-mentioned fire resistant anticorrosive crucible, wherein, described in step (3), the proportion of water glass is 1.1 ~ 1.5.
Positive beneficial effect of the present invention:
(1) fire resistant anticorrosive crucible of the present invention can tolerate the high temperature of 900 ~ 1000 DEG C, chemical stability is good, there is very strong resistance to oxidation, acid-alkali-corrosive-resisting ability, paint coatings and crucible base binding ability strong, coating difficult drop-off, not contaminated material, the anticorrosion cycle is long, efficiency is high (specific performance parameter is in table 1).
(2) fire resistant anticorrosive crucible material of the present invention is easy to get, with low cost, and preparation technology is simple, easy to operate, is conducive to promoting the use of.
Embodiment
Set forth the present invention further below in conjunction with embodiment, but do not limit content of the present invention.
Embodiment 1:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 40% mullite powder, 30% aluminum oxide powder, 20% trichroite powder and 10% pure aluminium silicate cement; Wherein, the particle diameter of described mullite powder is 300 orders, and the particle diameter of aluminum oxide powder is 300 orders, and the particle diameter of trichroite powder is 50 orders, and the particle diameter of pure aluminium silicate cement is 150 orders.
Embodiment 2:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 50% mullite powder, 35% aluminum oxide powder, 10% trichroite powder and 5% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 400 orders, and the particle diameter of aluminum oxide powder is 400 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 200 orders.
Embodiment 3:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 45% mullite powder, 40% aluminum oxide powder, 10% trichroite powder and 5% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 500 orders, and the particle diameter of aluminum oxide powder is 500 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 300 orders.
Embodiment 4:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 45% mullite powder, 35% aluminum oxide powder, 15% trichroite powder and 5% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 350 orders, and the particle diameter of aluminum oxide powder is 450 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 300 orders.
Embodiment 5:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 45% mullite powder, 30% aluminum oxide powder, 15% trichroite powder and 10% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 300 orders, and the particle diameter of aluminum oxide powder is 500 orders, and the particle diameter of trichroite powder is 50 orders, and the particle diameter of pure aluminium silicate cement is 150 orders.
Embodiment 6:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 40% mullite powder, 40% aluminum oxide powder, 10% trichroite powder and 10% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 350 orders, and the particle diameter of aluminum oxide powder is 400 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 300 orders.Described crucible base is commercially available high temperature resistant material crucible.
Embodiment 7:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 50% mullite powder, 30% aluminum oxide powder, 10% trichroite powder and 10% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 350 orders, and the particle diameter of aluminum oxide powder is 400 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 300 orders.
Embodiment 8:
A kind of fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, described crucible base is commercially available high temperature resistant material crucible, described paint coatings is prepared from by the raw material of following weight percent: 48% mullite powder, 32% aluminum oxide powder, 10% trichroite powder and 10% pure aluminium silicate cement; The particle diameter of wherein said mullite powder is 350 orders, and the particle diameter of aluminum oxide powder is 400 orders, and the particle diameter of trichroite powder is 100 orders, and the particle diameter of pure aluminium silicate cement is 300 orders.Described crucible base is commercially available high temperature resistant material crucible.
Embodiment 9:
One of preparation method of the fire resistant anticorrosive crucible that one of above-described embodiment 1 ~ 8 is described arbitrarily, comprises the following steps:
(1) coating is prepared: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, after mixing, stir 20min, the mixture be uniformly mixed; In mixture, add water glass by the proportioning of the mass ratio 1.2:1 of mixture and water glass, stir 30min to mixing, namely obtain coating, the proportion of wherein said water glass is 1.1;
(2) clean: with the surfaces externally and internally of alcohol washes crucible base, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 2 layers of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
Embodiment 10:
The preparation method two of the fire resistant anticorrosive crucible that one of above-described embodiment 1 ~ 8 is described arbitrarily, comprises the following steps:
(1) coating is prepared: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, after mixing, stir 25min, the mixture be uniformly mixed; The proportioning being 1.4:1 by the mass ratio of mixture and water glass adds water glass in mixture, and stir 35min to mixing, namely obtain coating, the proportion of wherein said water glass is 1.2;
(2) clean: with the surfaces externally and internally of water cleaning crucible matrix, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 1 layer of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
Embodiment 11:
The preparation method three of the fire resistant anticorrosive crucible that one of above-described embodiment 1 ~ 8 is described arbitrarily, comprises the following steps:
(1) coating is prepared: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, after mixing, stir 28min, the mixture be uniformly mixed; The proportioning being 1.5:1 by the mass ratio of mixture and water glass adds water glass in mixture, and stir 35min to mixing, namely obtain coating, the proportion of wherein said water glass is 1.4;
(2) clean: with the surfaces externally and internally of alcohol washes crucible base, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 3 layers of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
Embodiment 12:
The preparation method four of the fire resistant anticorrosive crucible that one of above-described embodiment 1 ~ 8 is described arbitrarily, comprises the following steps:
(1) coating is prepared: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, after mixing, stir 30min, the mixture be uniformly mixed; The proportioning being 1.3:1 by the mass ratio of mixture and water glass adds water glass in mixture, and stir 40min to mixing, namely obtain coating, the proportion of wherein said water glass is 1.5;
(2) clean: with the surfaces externally and internally of water cleaning crucible matrix, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 4 layers of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
Embodiment 13:
The preparation method five of the fire resistant anticorrosive crucible that one of above-described embodiment 1 ~ 8 is described arbitrarily, comprises the following steps:
(1) coating is prepared: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, after mixing, stir 26min, the mixture be uniformly mixed; The proportioning being 1.4:1 by the mass ratio of mixture and water glass adds water glass in mixture, and stir 38min to mixing, namely obtain coating, the proportion of wherein said water glass is 1.2;
(2) clean: with the surfaces externally and internally of alcohol washes crucible base, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 5 layers of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the present invention or similar change all should be encompassed in the scope of the claims in the present invention.
Claims (4)
1. a fire resistant anticorrosive crucible, comprise crucible base and the paint coatings being overlying on crucible base surface, it is characterized in that, described crucible base is commercially available high temperature resistant material crucible, and described paint coatings is prepared from by the raw material of following weight percent: 40 ~ 50% mullite powders, 30 ~ 40% aluminum oxide powders, 10 ~ 20% trichroite powder and 5 ~ 10% pure aluminium silicate cement.
2. fire resistant anticorrosive crucible according to claim 1, it is characterized in that, the particle diameter of described mullite powder is 300 ~ 500 orders, and the particle diameter of aluminum oxide powder is 300 ~ 500 orders, the particle diameter of trichroite powder is 50 ~ 100 orders, and the particle diameter of pure aluminium silicate cement is 150 ~ 300 orders.
3. a preparation method for fire resistant anticorrosive crucible according to claim 1, is characterized in that, comprise the following steps:
(1) prepare coating: take mullite powder, aluminum oxide powder, trichroite powder and pure aluminium silicate cement by weight percentage, stir 20 ~ 30min after mixing, the mixture be uniformly mixed; Mass ratio (1.2 ~ 1.5) by mixture and water glass: the proportioning of 1 adds water glass in mixture, stirring 30 ~ 40min to mixing, namely obtaining coating;
(2) clean: with the surfaces externally and internally of alcohol or water cleaning crucible matrix, remove the impurity on its surface;
(3) coating: after crucible base drying, within it outside surface sprays the coating described in 1 ~ 5 layer of step (1) equably, and every coating thickness is 0.05 ~ 0.1mm, namely obtains fire resistant anticorrosive crucible.
4. the preparation method of fire resistant anticorrosive crucible according to claim 3, is characterized in that, described in step (1), the proportion of water glass is 1.1 ~ 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770027.9A CN104529373A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resisting anti-corrosion crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770027.9A CN104529373A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resisting anti-corrosion crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104529373A true CN104529373A (en) | 2015-04-22 |
Family
ID=52845061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770027.9A Pending CN104529373A (en) | 2014-12-15 | 2014-12-15 | High-temperature-resisting anti-corrosion crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104529373A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815789A (en) * | 2015-05-04 | 2015-08-05 | 河南勃达微波设备有限责任公司 | Microwave device cavity corrosion resistance technology |
| CN105924049A (en) * | 2016-05-13 | 2016-09-07 | 句容联众科技开发有限公司 | Concrete for dry quenching furnace |
| CN109320208A (en) * | 2018-12-12 | 2019-02-12 | 怀化学院 | Damaged ceramic crucible reuse method and its ceramic crucible of preparation |
| CN109400137A (en) * | 2018-12-12 | 2019-03-01 | 怀化学院 | Anode material of lithium battery firing fire-clay crucible and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538480A (en) * | 1990-12-05 | 1993-02-19 | Shin Etsu Chem Co Ltd | Forming method for heat-resistant insulated coating film |
| CN103360094A (en) * | 2013-07-29 | 2013-10-23 | 莱芜钢铁集团泰东实业有限公司 | Fireproof oxygen blowing tube coating |
| CN103626466A (en) * | 2013-11-25 | 2014-03-12 | 杜玉村 | High temperature and wear resistant protective agent as well as preparation method and construction method thereof |
| CN103819165A (en) * | 2013-12-05 | 2014-05-28 | 江南大学 | High-temperature inorganic surface wear-resistant paint for CFB (circulating fluid bed) boiler and preparation method of high-temperature inorganic surface wear-resistant paint |
| CN104109902A (en) * | 2014-05-16 | 2014-10-22 | 江西赛维Ldk太阳能高科技有限公司 | Crucible for polysilicon ingot casting, coating structure of crucible and coating preparation method |
-
2014
- 2014-12-15 CN CN201410770027.9A patent/CN104529373A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538480A (en) * | 1990-12-05 | 1993-02-19 | Shin Etsu Chem Co Ltd | Forming method for heat-resistant insulated coating film |
| CN103360094A (en) * | 2013-07-29 | 2013-10-23 | 莱芜钢铁集团泰东实业有限公司 | Fireproof oxygen blowing tube coating |
| CN103626466A (en) * | 2013-11-25 | 2014-03-12 | 杜玉村 | High temperature and wear resistant protective agent as well as preparation method and construction method thereof |
| CN103819165A (en) * | 2013-12-05 | 2014-05-28 | 江南大学 | High-temperature inorganic surface wear-resistant paint for CFB (circulating fluid bed) boiler and preparation method of high-temperature inorganic surface wear-resistant paint |
| CN104109902A (en) * | 2014-05-16 | 2014-10-22 | 江西赛维Ldk太阳能高科技有限公司 | Crucible for polysilicon ingot casting, coating structure of crucible and coating preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815789A (en) * | 2015-05-04 | 2015-08-05 | 河南勃达微波设备有限责任公司 | Microwave device cavity corrosion resistance technology |
| CN105924049A (en) * | 2016-05-13 | 2016-09-07 | 句容联众科技开发有限公司 | Concrete for dry quenching furnace |
| CN109320208A (en) * | 2018-12-12 | 2019-02-12 | 怀化学院 | Damaged ceramic crucible reuse method and its ceramic crucible of preparation |
| CN109400137A (en) * | 2018-12-12 | 2019-03-01 | 怀化学院 | Anode material of lithium battery firing fire-clay crucible and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102585571B (en) | Infrared energy-saving coating with anti-corrosion and anti-coking functions and preparation method thereof | |
| CN104529373A (en) | High-temperature-resisting anti-corrosion crucible | |
| CN102219495B (en) | Infrared radiation coating and use method thereof | |
| CN104651932B (en) | A kind of polycrystalline quartz ceramic crucible and preparation method thereof | |
| CN103723928B (en) | A kind of Superhydrophilic nano TiO 2the preparation method of film | |
| CN105199497A (en) | Preparation and coating method of anti-corrosive anti-scale coating material | |
| CN105084921A (en) | Preparation process for anticorrosion saggar for calcination of lithium battery cathode material | |
| CN103693976A (en) | Method for preparing silicon oxide-based ceramic core for titanium and titanium alloy casting | |
| CN103466682A (en) | Preparation method of Cu2O-CuO composite oxide | |
| CN102010186B (en) | Low-temperature-sintered high-alumina porcelain and preparation method thereof | |
| CN109487245A (en) | A kind of preparation method of super-hydrophobic aqua oxidation aluminium film | |
| CN104327555A (en) | Water-based strippable coating and preparation method thereof | |
| CN101289206A (en) | Method for preparing thermal spraying alumina powder | |
| CN105349032A (en) | Environment-friendly, heat-insulating, waterproof and heat-resisting type coating for building external wall and preparation method of environment-friendly, heat-insulating, waterproof and heat-resisting type coating | |
| CN108299878A (en) | A kind of anti-forging graphene oxide protective coating of aqueous medium temperature and preparation method thereof | |
| CN111073503B (en) | High-temperature-resistant high-emissivity anticorrosive paint | |
| CN102161584A (en) | Formula of black craft ceramic and production process of black craft ceramic | |
| CN104356805A (en) | Anti-static thermal insulation water-based paint and preparation method thereof | |
| CN104151896A (en) | Radiation curing epoxy resin powder coating used for ceramic | |
| CN104774017A (en) | Mullite high-temperature clay and preparation method thereof | |
| NL2024151A (en) | High-temperature resistant silicon-based aerogel powder and preparation method thereof | |
| CN105860611A (en) | Infrared radiation paint and preparation method thereof | |
| CN109054517A (en) | Automatic cleaning coating slurry, automatic cleaning coating and self-cleaning ceramic brick and preparation method thereof for ceramic surface | |
| CN101875566A (en) | High-temperature energy-saving coating for ceramics | |
| CN112250452B (en) | Alumina water-based coating material, preparation method thereof and crucible coating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170510 |
|
| AD01 | Patent right deemed abandoned |