CN111704438A - High-radiation nano coating for heat storage checker brick of hot blast stove and preparation method thereof - Google Patents
High-radiation nano coating for heat storage checker brick of hot blast stove and preparation method thereof Download PDFInfo
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- 239000002103 nanocoating Substances 0.000 title claims abstract description 57
- 239000011449 brick Substances 0.000 title claims abstract description 32
- 238000005338 heat storage Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 66
- 230000005855 radiation Effects 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 34
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 239000000440 bentonite Substances 0.000 claims abstract description 17
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 17
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 17
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 17
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 14
- 229910000480 nickel oxide Inorganic materials 0.000 claims abstract description 14
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 13
- 239000010431 corundum Substances 0.000 claims abstract description 13
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 11
- 239000011707 mineral Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- GNMQOUGYKPVJRR-UHFFFAOYSA-N nickel(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ni+3].[Ni+3] GNMQOUGYKPVJRR-UHFFFAOYSA-N 0.000 claims description 6
- 238000001723 curing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000001238 wet grinding Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229940117975 chromium trioxide Drugs 0.000 claims 1
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003471 anti-radiation Effects 0.000 description 5
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The invention relates to the technical field of hot blast stoves, and discloses a high-radiation nano coating for a heat storage checker brick of a hot blast stove, which comprises the following raw materials in parts by weight: 10-20 parts of brown corundum, 50-100 parts of bentonite, 40-80 parts of chromium oxide, 20-40 parts of titanium oxide, 10-20 parts of silicon carbide, 10-20 parts of silicon micropowder, 15-20 parts of nickel oxide, 10-25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50-60 parts of radiation powder base material, 5-10 parts of defoaming agent, 5-10 parts of flatting agent and 5-10 parts of anti-settling agent. According to the high-radiation nano coating for the hot blast stove heat storage checker brick and the preparation method thereof, the aluminum-silicon sol powder is added into the high-radiation nano coating solution, the aluminum-silicon sol powder has strong binding power and high temperature resistance (1500-1600 ℃), so that the coating is firm, the high temperature resistance effect of the radiation nano coating is improved, and the silicon micropowder in parts by weight is added according to the requirement, is a hard, wear-resistant and chemically stable mineral, can improve the weather resistance of the coating, and has excellent high temperature resistance.
Description
Technical Field
The invention relates to the technical field of hot blast stoves, in particular to a high-radiation nano coating for a heat storage checker brick of a hot blast stove and a preparation method thereof.
Background
The hot blast stove is a heat power machine, is widely applied in China in the end of the 70 th 20 th century, becomes an updating product of an electric heat source and a traditional steam power heat source in many industries, at present, heat is transferred in the hot blast stove through modes of conduction, convection, radiation comprehensive heat transfer and the like, and in recent years, the adoption of a path of enhanced radiation heat transfer is very important at home and abroad to save energy consumption.
The heat-resistant coating for the exterior of the energy-saving and environment-friendly hot blast stove provided by the Chinese granted patent CN 109021643A has the beneficial effects that the direction of use is wide, the service life of the product is long, the service life of equipment can be prolonged, and the exterior of the equipment is ensured not to be easily damaged, but the traditional hot blast stove coating has poor radiation resistance and high temperature effect, can only be applied to low and medium temperature conditions mostly, has greatly reduced radiation rate along with the extension of the use time, has poor adhesive capacity, and is easy to fall off when being coated, so that the high-radiation nano coating for the heat storage checker brick of the hot blast stove and the preparation method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-radiation nano coating for the heat storage checker brick of the hot blast stove and the preparation method thereof, which have the advantages of good adhesiveness, good anti-radiation effect and the like, and solve the problems that the traditional hot blast stove coating has poor anti-radiation and high-temperature effects, can only be applied under low and medium temperature conditions mostly, has greatly reduced radiation rate along with the prolonging of service time, has poor adhesive force and is easy to fall off during coating.
(II) technical scheme
In order to achieve the purposes of good adhesion and good radiation resistance, the invention provides the following technical scheme:
the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following raw materials in parts by weight: 10-20 parts of brown corundum, 50-100 parts of bentonite, 40-80 parts of chromium oxide, 20-40 parts of titanium oxide, 10-20 parts of silicon carbide, 10-20 parts of silicon micropowder, 15-20 parts of nickel oxide, 10-25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50-60 parts of radiation powder base material, 5-10 parts of defoaming agent, 5-10 parts of flatting agent and 5-10 parts of anti-settling agent.
Preferably, the bentonite is a non-metal mineral product with montmorillonite as a main mineral component, and the chemical composition of the aluminum-silicon sol powder is 14.97% of silicon dioxide and 70.24% of aluminum oxide.
Preferably, the chemical composition of the radiation powder base material is 5-10% of silicon carbide, 5-10% of silicon dioxide, 25-30% of aluminum oxide, 5-10% of titanium dioxide, 5-10% of chromium oxide, 5-7% of nickel oxide and 11-13% of zirconium dioxide, the maximum particle size of the radiation powder base material is less than 300 meshes, and the coating thickness is 2-4 microns.
Preferably, the feed comprises the following raw materials in parts by weight: 10 parts of brown corundum, 50 parts of bentonite, 40 parts of chromium oxide, 20 parts of titanium oxide, 10 parts of silicon carbide, 10 parts of silicon micropowder, 15 parts of nickel oxide, 10 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50 parts of radiation powder base material, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent.
Preferably, the feed comprises the following raw materials in parts by weight: 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 40 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 20 parts of nickel oxide, 25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 60 parts of radiation powder base material, 10 parts of defoaming agent, 10 parts of flatting agent and 10 parts of anti-settling agent.
The preparation method of the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following steps:
1) weighing 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 80 parts of aluminum oxide, 20 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 15 parts of nickel oxide, 15 parts of zirconium oxide, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent according to a weight ratio, and putting the mixture into ball milling equipment for wet milling for 2 hours;
2) taking out the slurry mixed in the step 2), drying, curing, sintering at high temperature, crushing, finely grinding and screening to obtain a high-radiation nano coating matrix;
3) taking 300 parts of aluminum-silicon sol powder by weight, adding water to adjust the density to be 1.47-1.32g/cm 3;
4) mixing the fine powder matrix premixed in the step 2) and the aluminum-silicon sol solution in the step 3), adding the mixture into stirring equipment, stirring for 20-30 minutes, and uniformly mixing to obtain a high-radiation nano coating solution;
5) taking 60 parts of radiation powder base material according to the parts by weight, and mixing the radiation powder base material with the high-radiation nano coating solution obtained in the step 4).
(III) advantageous effects
Compared with the prior art, the invention provides the high-radiation nano coating for the heat storage checker brick of the hot blast stove and the preparation method thereof, and the high-radiation nano coating has the following beneficial effects:
1. the high-radiation nano coating for the hot blast stove heat storage checker brick and the preparation method thereof are characterized in that aluminum-silicon sol powder is added into a high-radiation nano coating solution, and diluted aluminum-silicon sol powder is added into the mixed high-radiation nano coating solution, wherein the aluminum-silicon sol powder has strong cohesive force and high temperature resistance (1500-1600 ℃), so that the coating is firm, and has the functions of resisting dirt, dust, aging, fire and the like, the adhesiveness of the radiation nano coating is effectively increased, the radiation nano coating is quickly adhered to the hot blast stove during spraying, the high-temperature resistance effect of the radiation nano coating is improved, silicon micropowder in parts by weight is added according to requirements, the silicon micropowder is a hard, wear-resistant and chemically stable mineral, the weather resistance of the coating can be improved, and the high-temperature resistance performance is excellent.
2. The high-radiation nano coating for the hot blast stove heat storage checker brick and the preparation method thereof are characterized in that a radiation powder base material is added, the radiation powder base material is added into a high-radiation nano coating raw material during the production of the high-radiation nano coating, the radiation base material is mixed by adopting a plurality of anti-radiation raw materials, when the high-radiation nano coating is coated, the radiation base powder is firstly mixed with the high-radiation nano coating, then the mixed raw material is stood for 10 minutes, then the high-radiation nano coating is sprayed on the hot blast stove heat storage checker brick, the temperature inside the hot blast stove heat storage checker brick is higher, the high-radiation nano coating can be rapidly solidified after high temperature, the high-radiation nano coating can be attached to the surface of the hot blast stove heat storage checker brick after the solidification of the high-radiation nano coating, the adhesiveness of the high-radiation nano coating is effectively improved, the high-radiation nano coating has, and the descent amplitude is smaller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following raw materials in parts by weight: 10 parts of brown corundum, 50 parts of bentonite, 40 parts of chromium oxide, 20 parts of titanium oxide, 10 parts of silicon carbide, 10 parts of silicon micropowder, 15 parts of nickel oxide, 10 parts of zirconium oxide and 300 parts of aluminum-silicon sol powder, wherein the bentonite is a non-metal mineral product with montmorillonite as a main mineral component, the aluminum-silicon sol powder comprises 14.97% of silicon dioxide and 70.24% of aluminum oxide, 50 parts of radiation powder base material, and the radiation powder base material comprises 5% of silicon carbide, 5% of silicon dioxide, 25% of aluminum oxide, 5% of titanium dioxide, 5% of chromium sesquioxide, 5% of nickel sesquioxide and 11% of zirconium dioxide, the maximum particle size of the radiation powder base material is less than 300 meshes, the coating thickness is 2 microns, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent.
The preparation method of the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following steps:
1) weighing 10 parts of brown corundum, 50 parts of bentonite, 40 parts of chromium oxide, 20 parts of titanium oxide, 10 parts of silicon carbide, 10 parts of silicon micropowder, 15 parts of nickel oxide, 10 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50 parts of radiation powder base material, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent according to a weight ratio, and putting the mixture into ball milling equipment for wet milling for 2 hours;
2) taking out the slurry mixed in the step 2), drying, curing, sintering at high temperature, crushing, finely grinding and screening to obtain a high-radiation nano coating matrix;
3) taking 300 parts of aluminum-silicon sol powder by weight, adding water to adjust the density to be 3 of 1.47/cm;
4) mixing the fine powder matrix premixed in the step 2) and the aluminum-silicon sol solution in the step 3), adding the mixture into stirring equipment, stirring for 20 minutes, and uniformly mixing to obtain a high-radiation nano coating solution;
5) taking 50 parts of radiation powder base material according to the parts by weight, and mixing the radiation powder base material with the high-radiation nano coating solution obtained in the step 4).
Example two: the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following raw materials in parts by weight: 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 40 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 20 parts of nickel oxide, 25 parts of zirconium oxide and 300 parts of aluminum-silicon sol powder, wherein the bentonite is a non-metal mineral product with montmorillonite as a main mineral component, the aluminum-silicon sol powder comprises 14.97% of silicon dioxide and 70.24% of aluminum oxide, 60 parts of radiation powder base material, and the radiation powder base material comprises 10% of silicon carbide, 10% of silicon dioxide, 30% of aluminum oxide, 10% of titanium dioxide, 10% of chromium sesquioxide, 7% of nickel sesquioxide and 13% of zirconium dioxide, the maximum particle size of the radiation powder base material is less than 300 meshes, the coating thickness is 4 microns, 10 parts of defoaming agent, 10 parts of flatting agent and 10 parts of anti-settling agent.
The preparation method of the high-radiation nano coating for the heat storage checker brick of the hot blast stove comprises the following steps:
1) weighing 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 40 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 20 parts of nickel oxide, 25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 60 parts of radiation powder base material, 10 parts of defoaming agent, 10 parts of leveling agent and 10 parts of anti-settling agent according to a weight ratio, and putting into ball milling equipment for wet milling for 2 hours;
2) taking out the slurry mixed in the step 2), drying, curing, sintering at high temperature, crushing, finely grinding and screening to obtain a high-radiation nano coating matrix;
3) taking 300 parts of aluminum-silicon sol powder by weight, adding water to adjust the density to be 3 of 1.32 g/cm;
4) mixing the fine powder matrix premixed in the step 2) and the aluminum-silicon sol solution in the step 3), adding the mixture into stirring equipment, stirring for 30 minutes, and uniformly mixing to obtain a high-radiation nano coating solution;
5) taking 60 parts of radiation powder base material according to the parts by weight, and mixing the radiation powder base material with the high-radiation nano coating solution obtained in the step 4).
After experiments, the raw materials are added into the original hot blast stove heat storage checker brick coating, and are mixed through drying, curing, high-temperature sintering, crushing, fine grinding and screening, then diluted aluminum-silicon sol powder is added, and when the hot blast stove heat storage checker brick coating is coated, a radiation powder base material is added into the coating, so that the hot blast stove heat storage checker brick coating has the advantages of high wear resistance, good adhesion property, good stability, higher radiation rate at high temperature, smaller descending amplitude, excellent high temperature resistance, high bonding strength and no falling off after 5 times of thermal shock.
The invention has the beneficial effects that: the high-radiation nano coating for the hot blast stove heat storage checker brick and the preparation method thereof are characterized in that aluminum-silicon sol powder is added into a high-radiation nano coating solution, and diluted aluminum-silicon sol powder is added into the mixed high-radiation nano coating solution, wherein the aluminum-silicon sol powder has strong cohesive force and high temperature resistance (1500-1600 ℃), so that the coating is firm, and has the functions of resisting dirt, dust, aging, fire and the like, the adhesiveness of the radiation nano coating is effectively increased, the radiation nano coating is quickly adhered to the hot blast stove during spraying, the high-temperature resistance effect of the radiation nano coating is improved, silicon micropowder in parts by weight is added according to requirements, the silicon micropowder is a hard, wear-resistant and chemically stable mineral, the weather resistance of the coating can be improved, and the high-temperature resistance performance is excellent.
And, through adding the radiation powder base material, while coating the production in high radiation nanometer, add the radiation powder base material in the high radiation nanometer and scribble the raw materials, the radiation base material adopts multiple antiradiation raw materials to mix, while coating the high radiation nanometer coating, mix radiation base powder and high radiation nanometer coating at first, then stand 10 minutes with raw materials after mixing, spray the high radiation nanometer coating on the hot-blast furnace heat accumulation checker brick, the internal temperature of hot-blast furnace heat accumulation checker brick is higher, the high radiation nanometer coating will solidify rapidly after the high temperature, will adhere to the surface of the hot-blast furnace heat accumulation checker brick after the high radiation nanometer coating solidifies, the adhesiveness of the high radiation nanometer coating of effective improvement, possess good stability, have higher radiance under high temperature, and the descent width is minor, solve the traditional hot-blast furnace coating antiradiation and high temperature effect bad, most of the products can only be applied under low and medium temperature conditions, and the radiance is greatly reduced along with the prolonging of the service life, the adhesive capability is poor, and the products are easy to fall off when being coated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-radiation nano coating for the heat storage checker brick of the hot blast stove is characterized by comprising the following raw materials in parts by weight: 10-20 parts of brown corundum, 50-100 parts of bentonite, 40-80 parts of chromium oxide, 20-40 parts of titanium oxide, 10-20 parts of silicon carbide, 10-20 parts of silicon micropowder, 15-20 parts of nickel oxide, 10-25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50-60 parts of radiation powder base material, 5-10 parts of defoaming agent, 5-10 parts of flatting agent and 5-10 parts of anti-settling agent.
2. The high-emissivity nano paint for the heat-accumulating checker brick of the hot-blast stove according to claim 1, wherein the bentonite is a non-metallic mineral product having montmorillonite as a main mineral component, and the alumina-silica sol powder has a chemical composition of 14.97% of silica and 70.24% of alumina.
3. The high emissivity nano coating for a heat accumulating checker brick of a hot blast stove according to claim 1, wherein the chemical composition of the radiation powder base material is 5-10% of silicon carbide, 5-10% of silicon dioxide, 25-30% of aluminum oxide, 5-10% of titanium dioxide, 5-10% of chromium trioxide, 5-7% of nickel trioxide, and 11-13% of zirconium dioxide, the maximum particle size of the radiation powder base material is < 300 mesh, and the coating thickness is 2-4 μm.
4. The high-emissivity nano coating for the heat-accumulating checker brick of the hot-blast stove according to claim 1, comprising the following raw materials in parts by weight: 10 parts of brown corundum, 50 parts of bentonite, 40 parts of chromium oxide, 20 parts of titanium oxide, 10 parts of silicon carbide, 10 parts of silicon micropowder, 15 parts of nickel oxide, 10 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 50 parts of radiation powder base material, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent.
5. The high-emissivity nano coating for the heat-accumulating checker brick of the hot-blast stove according to claim 1, comprising the following raw materials in parts by weight: 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 40 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 20 parts of nickel oxide, 25 parts of zirconium oxide, 300 parts of aluminum-silicon sol powder, 60 parts of radiation powder base material, 10 parts of defoaming agent, 10 parts of flatting agent and 10 parts of anti-settling agent.
6. The preparation method of the high-radiation nano coating for the heat storage checker brick of the hot blast stove is characterized by comprising the following steps of:
1) weighing 20 parts of brown corundum, 100 parts of bentonite, 80 parts of chromium oxide, 80 parts of aluminum oxide, 20 parts of titanium oxide, 20 parts of silicon carbide, 20 parts of silicon micropowder, 15 parts of nickel oxide, 15 parts of zirconium oxide, 5 parts of defoaming agent, 5 parts of flatting agent and 5 parts of anti-settling agent according to a weight ratio, and putting the mixture into ball milling equipment for wet milling for 2 hours;
2) taking out the slurry mixed in the step 2), drying, curing, sintering at high temperature, crushing, finely grinding and screening to obtain a high-radiation nano coating matrix;
3) taking 300 parts of aluminum-silicon sol powder by weight, adding water to adjust the density to be 1.47-1.32g/cm 3;
4) mixing the fine powder matrix premixed in the step 2) and the aluminum-silicon sol solution in the step 3), adding the mixture into stirring equipment, stirring for 20-30 minutes, and uniformly mixing to obtain a high-radiation nano coating solution;
5) taking 60 parts of radiation powder base material according to the parts by weight, and mixing the radiation powder base material with the high-radiation nano coating solution obtained in the step 4).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051057A1 (en) * | 2003-09-09 | 2005-03-10 | Evans Timothy O. | Thermal protective coating for ceramic surfaces |
| CN102320806A (en) * | 2011-06-24 | 2012-01-18 | 北京中太投资管理有限公司 | Micronano superfine powder high-temperature high-radiance paint and preparation method thereof |
| JP2016040226A (en) * | 2014-01-31 | 2016-03-24 | ニチアス株式会社 | Heat insulator and manufacturing method therefor |
| CN106634570A (en) * | 2016-12-13 | 2017-05-10 | 中钢集团洛阳耐火材料研究院有限公司 | High temperature-resistant, high-radiation, anti-cracking and energy-saving coating and preparation method |
| CN109336623A (en) * | 2018-10-26 | 2019-02-15 | 刘新华 | A kind of heat storage strong radiation coat coating and preparation method |
-
2020
- 2020-05-28 CN CN202010471278.2A patent/CN111704438A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051057A1 (en) * | 2003-09-09 | 2005-03-10 | Evans Timothy O. | Thermal protective coating for ceramic surfaces |
| CN102320806A (en) * | 2011-06-24 | 2012-01-18 | 北京中太投资管理有限公司 | Micronano superfine powder high-temperature high-radiance paint and preparation method thereof |
| JP2016040226A (en) * | 2014-01-31 | 2016-03-24 | ニチアス株式会社 | Heat insulator and manufacturing method therefor |
| CN106634570A (en) * | 2016-12-13 | 2017-05-10 | 中钢集团洛阳耐火材料研究院有限公司 | High temperature-resistant, high-radiation, anti-cracking and energy-saving coating and preparation method |
| CN109336623A (en) * | 2018-10-26 | 2019-02-15 | 刘新华 | A kind of heat storage strong radiation coat coating and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 徐怀平: "《远红外加热技术》", 28 February 1979, 河北人民出版社 * |
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