CN112852290A - High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof - Google Patents
High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof Download PDFInfo
- Publication number
- CN112852290A CN112852290A CN202110274203.XA CN202110274203A CN112852290A CN 112852290 A CN112852290 A CN 112852290A CN 202110274203 A CN202110274203 A CN 202110274203A CN 112852290 A CN112852290 A CN 112852290A
- Authority
- CN
- China
- Prior art keywords
- resistant
- temperature
- corrosion
- emissivity
- ceramic coating
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of coatings, in particular to a high-temperature-resistant corrosion-resistant high-emissivity ceramic coating and a preparation method thereof, the high-temperature-resistant corrosion-resistant high-emissivity ceramic coating consists of 5-12% of a filler, 20-38% of a rare earth emitting agent, 1-3% of a ceramic additive, 2-5% of a metal oxide, 15-25% of a binder, 0.5-1.5% of an auxiliary agent and 18-35% of water, has the comprehensive advantages of metal and ceramic composite materials, has high corrosion resistance, high hardness, wear resistance, high thermal shock resistance, high emissivity and high thermal conductivity, can be tightly combined with a base material to form compact chemical inert protection, forms a protective layer on a heating surface of a furnace body and a pipeline, can bear the highest high temperature of 3300 ℃, greatly reduces the wear of the heating surface caused by high-temperature airflow, reduces the high-temperature, the service life of the furnace body and the pipeline is prolonged, and the emissivity and the heat exchange efficiency are high, and the emissivity is not less than 0.95; the preparation method of the high-temperature-resistant corrosion-resistant high-emissivity ceramic coating is simple in process and low in preparation cost.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a high-temperature-resistant corrosion-resistant high-emissivity ceramic coating and a preparation method thereof.
Background
In the operation process of various industrial furnaces, pipelines and thermal equipment, heating surfaces of the furnaces, the pipelines and the thermal equipment are all in a high-temperature environment, high-temperature sulfides, chlorides, sulfates and the like contained in high-temperature gas can cause serious corrosion to the furnaces, the pipelines and the thermal equipment, and in order to reduce the abrasion and corrosion to the furnaces, the pipelines and the thermal equipment, the high-temperature-resistant and corrosion-resistant coating is coated on the heating surfaces to serve as a protective layer, so that the abrasion of high-temperature airflow to the heating surfaces can be greatly reduced, the high-temperature corrosion rate is reduced, and the service lives of the furnaces, the pipelines and the thermal equipment are prolonged.
The high-emissivity coating is a coating with good heat radiation performance, and has the functions of increasing heat radiation and enhancing heat transfer as a novel functional material. The high-emissivity coating can be directly sprayed or brushed on heating surfaces or inner walls of furnace bodies of various industrial furnaces, thermal equipment and the like, can strengthen radiation heat exchange between a heat source and the heating surfaces or the heating bodies, so as to achieve the purposes of improving the heat utilization rate of the furnaces and the thermal equipment and saving energy, and has good energy-saving effect in application of industrial boilers, furnaces and the thermal equipment.
However, because the coating is used in a severe environment with high temperature, high pressure and corrosivity, the coating material has poor wear resistance and corrosion resistance due to low bonding strength between the coating material and a base material, and the coating is easy to crack and fall off or corrode and damage in the using process, thereby influencing the using effect and the service life. On the other hand, the physical and chemical characteristics of the pipeline material and the refractory material of the heating surface, especially the heat exchange efficiency directly influence the safety, energy saving, production capacity and environmental protection performance of various industrial furnaces in the petrochemical industry, the electric power industry and other industries, the contamination and slagging of the heating surface can reduce the surface emissivity and increase the heat conduction resistance, and the problems of a series of safety, energy saving, capacity, environmental protection and the like such as reduction of the furnace thermal efficiency, insufficient load capacity, overhigh temperature level of a hearth, local overheating of the heating surface, increase of the emission of nitrogen oxides and the like are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a high-temperature-resistant corrosion-resistant high-emissivity ceramic coating, has the comprehensive advantages of metal and ceramic composite materials, has high corrosion resistance, high hardness, wear resistance, high thermal shock resistance, high emissivity and high thermal conductivity, can be tightly combined with a base material to form compact chemical inert protection, can bear the high temperature of 3300 ℃ to the maximum extent, is more suitable for the severe environment of heating surfaces of various industrial furnaces and thermal equipment, and plays an important role in guaranteeing the safety, energy conservation, production capacity and environmental protection performance of the operation of various industrial furnaces and thermal equipment.
The invention also aims to provide a preparation method of the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating, which is simple in process and low in preparation cost.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-temperature-resistant corrosion-resistant high-emissivity ceramic coating comprises the following components in parts by weight:
5-12% of a filler;
20-38% of rare earth emitting agent;
1-3% of ceramic additive;
2-5% of metal oxide;
15-25% of a binder;
0.5 to 1.5 percent of auxiliary agent;
18-35% of water;
wherein the filler comprises calcined kaolin, silica, an inorganic black pigment; the ceramic additive is silicon or boron nitride or silicon carbide; the binder is one or two of styrene-acrylic emulsion and silica sol; the auxiliary agent comprises a dispersing agent and a defoaming agent.
Preferably, the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating comprises the following components in parts by weight: 5-10.5% of filler, 20-33% of rare earth propellant, 1.5-3% of ceramic additive, 4-5% of metal oxide, 17-25% of binder, 0.5-1% of assistant and 25-34% of water.
Preferably, the ceramic additive comprises one or a mixture of two or more of silicon carbide, silicon nitride and boron nitride.
Preferably, the metal oxide contains one or a mixture of two or more of nickel oxide, aluminum oxide, and zirconium oxide.
Preferably, the rare earth emitting agent comprises at least one of cerium oxide, yttrium oxide and lanthanum oxide.
Preferably, the inorganic black pigment is one or two of copper-chromium black and cobalt black.
Preferably, the binder consists of 25 to 26wt% of styrene-acrylic emulsion and 74 to 75wt% of silica sol.
Preferably, the auxiliary agent consists of 50wt% of a dispersing agent and 50wt% of a defoaming agent.
Preferably, the particle sizes of the filler and the rare earth emitting agent are both 200-400 nm.
A preparation method of a high-temperature-resistant corrosion-resistant high-emissivity ceramic coating comprises the following steps:
1) weighing the filler and the rare earth emitting agent according to the weight parts, and grinding the filler and the rare earth emitting agent by using a ball mill until the granularity is 200-400 nanometers to prepare a nanometer mixture A;
2) mixing the binder and water, adding the auxiliary agent under the stirring state at normal temperature, and uniformly stirring;
3) and continuously and sequentially adding the nano mixture A, the ceramic additive and the metal oxide under the state of stirring at normal temperature, and uniformly stirring.
Compared with the prior art, the invention has the following beneficial effects:
1. the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating disclosed by the invention has the comprehensive advantages of metal and ceramic composite materials: a) high heat transfer capacity: high emissivity, high thermal conductivity, and resistance to contamination, slagging and dust deposition; b) high corrosion resistance: high chemical stability, compact structure and high temperature corrosion resistance; c) high reliability: high hardness, high antiwear performance, tight combination and high thermal shock resistance.
2. The high-temperature-resistant corrosion-resistant high-emissivity ceramic coating can be tightly combined with a base material in a mechanical, physical and high-temperature solid-phase reaction chemical bond mode, and a protective layer is formed on heating surfaces of a furnace body, a pipeline and thermal equipment, so that the combination firmness of the coating and the base material is greatly improved, the coating is not easy to crack and fall off, the abrasion of high-temperature airflow to the heating surfaces can be greatly reduced, the high-temperature corrosion rate is reduced, and the service lives of the furnace body and the pipeline are prolonged.
3. The high-temperature-resistant corrosion-resistant high-emissivity ceramic coating disclosed by the invention can bear high corrosion, acid and alkali resistance, has high emissivity and high heat exchange efficiency, forms compact chemical inert protection between a substrate and a severe use environment, can bear the high temperature of 3300 ℃ at most, is suitable for the severe environments of heating surfaces of various industrial boilers and thermal equipment, and plays an important role in guaranteeing the safety, energy conservation, production capacity and environmental protection performance of the operation of various industrial boilers and thermal equipment.
4. The preparation method of the high-temperature-resistant corrosion-resistant high-emissivity ceramic coating is simple in process and low in preparation cost.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The invention provides a high-temperature-resistant corrosion-resistant high-emissivity ceramic coating which is prepared from the following components in parts by weight: 5-12% of filler, 20-38% of rare earth propellant, 1-3% of ceramic additive, 2-5% of metal oxide, 15-25% of binder, 0.5-1.5% of assistant and 18-35% of water;
wherein the filler comprises calcined kaolin, rare earth oxide silica, an inorganic black pigment; the ceramic additive is silicon or boron nitride or silicon carbide; the binder is one or two of styrene-acrylic emulsion and silica sol, so that the pH value of a composite binder system can be reduced, the binder system is more stable and reliable, and the film forming property is better; the auxiliary agent comprises a dispersing agent and a defoaming agent.
In a specific embodiment, the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating comprises the following components in parts by weight: 5-10.5% of filler, 20-33% of rare earth propellant, 1.5-3% of ceramic additive, 4-5% of metal oxide, 17-25% of binder, 0.5-1% of assistant and 25-34% of water.
In a specific embodiment, the ceramic additive comprises one or a mixture of two or more of silicon carbide, silicon nitride, and boron nitride.
In a specific embodiment, the metal oxide comprises one or a mixture of two or more of nickel oxide, aluminum oxide, and zirconium oxide.
In a specific embodiment, the rare earth oxide emitting agent comprises at least one of cerium oxide, yttrium oxide and lanthanum oxide, and the rare earth emitting agent has the effects of passivation and inert ceramic materials, so that the original single passivation protection characteristic is improved, the ceramic coating has better high-temperature-resistant oxidation resistance under a high-temperature reducing atmosphere, higher emissivity and thermal stability, and is not degraded and attenuated, the emissivity is improved to 0.95, and the highest temperature resistance is improved to 3300 ℃.
In a specific embodiment, the inorganic black pigment is one or two of copper-chromium black and cobalt black.
In a specific embodiment, the binder consists of 25-26wt% of styrene-acrylic emulsion and 74-75wt% of silica sol.
In a specific embodiment, the auxiliary agent consists of 50wt% of a dispersing agent and 50wt% of a defoaming agent.
In a specific implementation mode, the particle sizes of the filler and the rare earth emitting agent are both 200-400 nm, the particle size distribution is finer, the advantages of the nano material are fully exerted, the ceramic coating is thinner, the reliability is better, and the ceramic coating is combined with the base material by means of chemical bonds and does not crack.
The invention also provides a preparation method of the high-temperature-resistant corrosion-resistant high-emissivity ceramic coating, which comprises the following steps: 1) weighing the filler and the rare earth emitting agent according to the weight parts, and grinding the filler and the rare earth emitting agent to obtain a nano mixture A with the granularity of 200-400 nm by using a ball mill; 2) mixing the binder and water, adding the auxiliary agent under the stirring state at normal temperature, and uniformly stirring; 3) and continuously and sequentially adding the nano mixture A, the ceramic additive and the metal oxide under the state of stirring at normal temperature, and uniformly stirring.
The high-temperature-resistant corrosion-resistant high-emissivity ceramic coating is tightly combined with a base material in a mechanical, physical and high-temperature solid-phase reaction chemical bond mode, so that the surface of the base material can form compact chemical inert protection in a severe use environment, has good wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can bear the high temperature of 3300 ℃ at most, is more suitable for the severe environment of various boiler heating surfaces, the protective layer is formed on the heating surface of the furnace body and the pipeline, so that the abrasion of high-temperature airflow to the heating surface can be greatly reduced, the high-temperature corrosion rate is reduced, the service life of the furnace body and the pipeline is prolonged, the emissivity and the heat exchange efficiency are high, the preparation method has the comprehensive advantages of metal and ceramic composite materials, plays an important role in guaranteeing the safety, energy conservation, production capacity and environmental protection performance of various boilers, and has the advantages of simple process and low preparation cost.
The following detailed description is given in conjunction with specific examples
Example 1.
Weighing 3 parts by mass of calcined kaolin, 1 part by mass of silicon dioxide, 1 part by mass of copper-chromium black, 20 parts by mass of cerium oxide and 18 parts by mass of yttrium oxide, and grinding the weighed materials by using a ball mill until the granularity is 200-400 nm to prepare a nano mixture A; weighing 4.25 parts by mass of styrene-acrylic emulsion, 12.75 parts by mass of silica sol and 34.5 parts by mass of water, mixing, adding 0.25 part by mass of Hensic H-4200 dispersing agent and 0.25 part by mass of Hensic H-210 defoaming agent under the state of stirring at normal temperature, stirring uniformly, continuing stirring, adding the nano mixture A, 0.5 part by mass of silicon carbide, 0.5 part by mass of silicon nitride, 2 parts by mass of nickel oxide, 1 part by mass of aluminum oxide and 1 part by mass of zirconium oxide, and stirring uniformly to obtain the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating.
Example 2.
Weighing 8 parts by mass of calcined kaolin, 2 parts by mass of silicon dioxide, 1 part by mass of copper-chromium black, 1 part by mass of cobalt black, 12 parts by mass of cerium oxide, 4 parts by mass of yttrium oxide and 4 parts by mass of lanthanum oxide, and grinding the materials by using a ball mill until the granularity is 200-400 nm to prepare a nano mixture A; weighing 6.5 parts by mass of styrene-acrylic emulsion, 18.5 parts by mass of silica sol and 35 parts by mass of water, mixing, adding 0.75 part by mass of Hensic H-4200 dispersing agent and 0.75 part by mass of Hensic H-210 defoaming agent under stirring at normal temperature, stirring uniformly, continuing stirring, adding the nano mixture A, 0.5 part by mass of silicon carbide, 0.5 part by mass of silicon nitride, 0.5 part by mass of boron nitride, 3 parts by mass of nickel oxide and 2 parts by mass of aluminum oxide, and stirring uniformly to obtain the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating.
Example 3.
Weighing 7 parts by mass of calcined kaolin, 1.5 parts by mass of silicon dioxide, 1 part by mass of copper-chromium black, 1 part by mass of cobalt black, 20 parts by mass of cerium oxide, 10 parts by mass of yttrium oxide and 8 parts by mass of lanthanum oxide, and grinding the materials by using a ball mill until the particle size is 200-400 nm to prepare a nano mixture A; weighing 6.5 parts by mass of styrene-acrylic emulsion, 18.5 parts by mass of silica sol and 18 parts by mass of water, mixing, adding 0.25 part by mass of Hensic H-4200 dispersing agent and 0.25 part by mass of Hensic H-210 defoaming agent under the state of stirring at normal temperature, stirring uniformly, continuing stirring, adding the nano mixture A, 1.5 parts by mass of silicon carbide, 1 part by mass of silicon nitride, 0.5 part by mass of boron nitride, 3 parts by mass of nickel oxide and 2 parts by mass of aluminum oxide, and stirring uniformly to obtain the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating.
Example 4.
Weighing 8 parts by mass of calcined kaolin, 2 parts by mass of silicon dioxide, 2 parts by mass of cobalt black, 18 parts by mass of cerium oxide and 15 parts by mass of lanthanum oxide, and grinding the materials by using a ball mill until the granularity is 200-400 nm to prepare a nano mixture A; weighing 3.8 parts by mass of styrene-acrylic emulsion, 11.2 parts by mass of styrene-acrylic emulsion and 34 parts by mass of water, mixing, adding 0.5 part by mass of Hensic H-4200 dispersing agent and 0.5 part by mass of Hensic H-210 defoaming agent under a normal-temperature stirring state, uniformly stirring, continuously stirring, adding the nano mixture A, 3 parts by mass of silicon carbide and 2 parts by mass of nickel oxide, and uniformly stirring to obtain the high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating.
The high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating prepared in the embodiments 1 to 4 has good wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can bear high temperature as high as 3300 ℃, and has emissivity not less than 0.95.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The high-temperature-resistant corrosion-resistant high-emissivity ceramic coating is characterized by comprising the following components in parts by weight:
wherein the filler comprises calcined kaolin, silica, an inorganic black pigment; the ceramic additive is silicon or boron nitride or silicon carbide; the binder is one or two of styrene-acrylic emulsion and silica sol; the auxiliary agent comprises a dispersing agent and a defoaming agent.
2. The high-temperature-resistant, corrosion-resistant and high-emissivity ceramic coating according to claim 1, which is composed of the following components in parts by weight:
3. the high temperature, corrosion and emissivity ceramic coating of claim 1, wherein the ceramic additive comprises one or a mixture of two or more of silicon carbide, silicon nitride, and boron nitride.
4. The high temperature, corrosion and emissivity ceramic coating of claim 1, wherein the metal oxide comprises one or a mixture of two or more of nickel oxide, aluminum oxide, and zirconium oxide.
5. The high temperature, corrosion resistant, high emissivity ceramic coating of claim 1, wherein the rare earth emitting agent comprises at least one of cerium oxide, yttrium oxide, lanthanum oxide.
6. The high temperature resistant, corrosion resistant and high emissivity ceramic coating of claim 1, wherein the inorganic black pigment is one or both of copper chromium black and cobalt black.
7. The high temperature, corrosion and emissivity ceramic coating of claim 1, wherein said binder is comprised of 25 to 26wt% styrene acrylic emulsion, and 74 to 75wt% silica sol.
8. The high temperature, corrosion and emissivity ceramic coating of claim 1, wherein said adjuvant is comprised of 50wt% dispersant, and 50wt% defoamer.
9. The high temperature and corrosion resistant high emissivity ceramic coating of any one of claims 1 to 8, wherein the particle size of the filler and the rare earth emitting agent are both 200-400 nm.
10. A method for preparing a high temperature resistant, corrosion resistant and high emissivity ceramic coating of any one of claims 1 to 8, comprising the steps of:
1) weighing the filler and the rare earth emitting agent according to the weight parts, and grinding the filler and the rare earth emitting agent by using a ball mill at normal temperature to the granularity of 200-400 nanometers to prepare a nanometer mixture A;
2) mixing the binder and water, adding the auxiliary agent under the stirring state at normal temperature, and uniformly stirring;
3) and continuously and sequentially adding the nano mixture A, the ceramic additive and the metal oxide under the state of stirring at normal temperature, and uniformly stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274203.XA CN112852290A (en) | 2021-03-15 | 2021-03-15 | High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274203.XA CN112852290A (en) | 2021-03-15 | 2021-03-15 | High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112852290A true CN112852290A (en) | 2021-05-28 |
Family
ID=75994440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110274203.XA Pending CN112852290A (en) | 2021-03-15 | 2021-03-15 | High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112852290A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667407A (en) * | 2021-08-19 | 2021-11-19 | 连城凯克斯科技有限公司 | Preparation method of ceramic coating on surfaces of wire winding shaft and fixed pulley |
| CN115105949A (en) * | 2022-07-08 | 2022-09-27 | 潮州市索力德机电设备有限公司 | Method for reducing NOx emission of ceramic gas tunnel kiln |
| CN115260805A (en) * | 2022-08-22 | 2022-11-01 | 亚士创能新材料(滁州)有限公司 | Industrial heat-insulating coating and preparation method and application thereof |
| CN115677180A (en) * | 2022-11-03 | 2023-02-03 | 包头市安德窑炉科技有限公司 | Method for improving glass flame melting furnace performance by using multifunctional material |
| CN116120826A (en) * | 2023-03-28 | 2023-05-16 | 广东中科精纳新材料技术有限公司 | Preparation method of normal-temperature self-drying high-temperature anti-corrosion nano ceramic coating |
-
2021
- 2021-03-15 CN CN202110274203.XA patent/CN112852290A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667407A (en) * | 2021-08-19 | 2021-11-19 | 连城凯克斯科技有限公司 | Preparation method of ceramic coating on surfaces of wire winding shaft and fixed pulley |
| CN115105949A (en) * | 2022-07-08 | 2022-09-27 | 潮州市索力德机电设备有限公司 | Method for reducing NOx emission of ceramic gas tunnel kiln |
| CN115105949B (en) * | 2022-07-08 | 2023-08-11 | 潮州市索力德机电设备有限公司 | Method for reducing NOx discharged by ceramic gas tunnel kiln |
| CN115260805A (en) * | 2022-08-22 | 2022-11-01 | 亚士创能新材料(滁州)有限公司 | Industrial heat-insulating coating and preparation method and application thereof |
| CN115677180A (en) * | 2022-11-03 | 2023-02-03 | 包头市安德窑炉科技有限公司 | Method for improving glass flame melting furnace performance by using multifunctional material |
| CN115677180B (en) * | 2022-11-03 | 2024-01-30 | 包头市安德窑炉科技有限公司 | Method for improving glass flame melting furnace performance by utilizing multifunctional material |
| CN116120826A (en) * | 2023-03-28 | 2023-05-16 | 广东中科精纳新材料技术有限公司 | Preparation method of normal-temperature self-drying high-temperature anti-corrosion nano ceramic coating |
| CN116120826B (en) * | 2023-03-28 | 2024-01-16 | 广东中科精纳新材料技术有限公司 | Preparation method of normal-temperature self-drying high-temperature anti-corrosion nano ceramic coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112852290A (en) | High-temperature-resistant corrosion-resistant high-emissivity ceramic coating and preparation method thereof | |
| CN108531078B (en) | Ceramic surface material and surface coating | |
| CN102585571B (en) | Infrared energy-saving coating with anti-corrosion and anti-coking functions and preparation method thereof | |
| CN106587965B (en) | low-temperature sintering high-thermal-conductivity ceramic coating suitable for metal substrate and preparation method and application thereof | |
| CN102786820B (en) | Infrared radiation coating suitable for metal matrix and preparation method | |
| CN108587458B (en) | Ceramic surface material and surface coating | |
| CN102219495B (en) | Infrared radiation coating and use method thereof | |
| CN108485516B (en) | Ceramic surface material and surface coating | |
| CN109972070B (en) | Metal composite material with protective coating coated on surface and preparation process thereof | |
| CN107324826A (en) | High heat conduction wearing composite material | |
| CN111944334A (en) | Nano metal ceramic coating | |
| CN109534772B (en) | Novel superconducting ceramic film composite material and preparation method thereof | |
| CN105152630A (en) | Ceramic paint and application thereof | |
| CN109650882B (en) | Composite coating for fiber lining and preparation method thereof | |
| CN103864442A (en) | High-temperature nano ceramic coating with high emissivity | |
| CN101602607B (en) | Compound nitride-combined silicon carbide hanging plate for cement kiln preheaters, and firing method thereof | |
| CN106752132B (en) | High thermal conductivity anticorrosion ceramic coating and its preparation method and application for metallic recuperator | |
| CN108610960B (en) | Ceramic surface material and surface coating | |
| CN115724659B (en) | Multifunctional protective and energy-saving synergistic coating and preparation method thereof | |
| CN105152631A (en) | Ceramic paint and application thereof | |
| CN103553549A (en) | Heat-radiation coating material for ceramic kiln | |
| CN109385120B (en) | Aerogel high-temperature radiation resistant inorganic coating | |
| CN104108940A (en) | High-emissivity high-temperature ceramic coating suitable for metal and non-metal substrates | |
| CN103524138A (en) | Heat radiation coating for steel heating furnace | |
| CN104108939A (en) | Anti-contamination slag-bonding-resistant high-temperature ceramic coating suitable for metal substrates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |