CN109336623A - A kind of heat storage strong radiation coat coating and preparation method - Google Patents
A kind of heat storage strong radiation coat coating and preparation method Download PDFInfo
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- CN109336623A CN109336623A CN201811261347.6A CN201811261347A CN109336623A CN 109336623 A CN109336623 A CN 109336623A CN 201811261347 A CN201811261347 A CN 201811261347A CN 109336623 A CN109336623 A CN 109336623A
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- heat storage
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- strong radiation
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- 238000005338 heat storage Methods 0.000 title claims abstract description 53
- 239000011248 coating agent Substances 0.000 title claims abstract description 49
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 230000005855 radiation Effects 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 16
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 8
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004927 clay Substances 0.000 claims abstract description 8
- 238000010790 dilution Methods 0.000 claims abstract description 8
- 239000012895 dilution Substances 0.000 claims abstract description 8
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 3
- 239000011449 brick Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 6
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000020584 Polyploidy Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005245 sintering 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
- C04B35/111—Fine ceramics
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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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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Abstract
The present invention relates to the technical fields of metallurgy and coating, and component and structural homogeneity can be improved more particularly to a kind of heat storage strong radiation coat coating and preparation method, with more stable infrared emittance, and the thermal shock resistance of coating can be improved, reduction falls off, and improves energy-saving long-acting；Be to be composed of the following parts by weight: 0-100 parts of boron carbide, 1-150 parts of zirconium oxide, 0-100 parts of chrome green, 1-30 parts of bentonite, 1-100 parts of fire clay, 1-10 parts of lanthana, 300-600 parts of Brown Alundum, 100-500 parts of green silicon carbide, 0-150 parts of silica, 200-500 parts of Aluminum sol and 10-50 parts of carboxymethyl cellulose, preparation method includes the following steps: (1) raw material mixes；(2) raw material is ground；(3) dilution is handled；(4) compo.
Description
Technical field
The present invention relates to the technical fields of metallurgy and coating, more particularly to a kind of heat storage strong radiation coat coating and system
Preparation Method.
Background technique
The effect of blast furnace hot-blast stove be by blast heating to require temperature, thus combustion of coke with iron ore also
Original is at molten iron.Iron Works hot-blast stove generally uses the blowing system of " two, which burn one, send " either " two, which burn two, send ", burns furnace mistake
Checker brick first absorb the radiations heat energy of combustion chamber high temperature flue gas when journey, improve the temperature of chamber of hot-blast stove；When air supply process, lead to
The cold wind entered is heated to 1150-1300 DEG C through checker brick, is then sent to blast furnace.How to improve wind-warm syndrome is the key that blast furnace process
Technology, common method are multifuel combustion high heating value gas, oxygen-enriched burning furnace, increase the heat exchange area of stove fillings, change grid
The methods of the material of brick, density improve wind-warm syndrome.
It is a large amount of both at home and abroad to study table with the continuous development of material preparation technology and high temp, infrared radiation mechanism study
It is bright, strong radiation coat coating is sprayed on industrial furnace inner wall, the blackness of stove inner wall can be improved, and improves heat exchange in furnace,
The matching of material and radiated wave is improved, heat loss is reduced, to improve the thermal efficiency of stove, the energy conservation effect of 3-5% can be reached
Fruit.The raw material of the strong radiation coat coating of foreign countries' better performances mainly use the higher transiting metal oxidation of radiance at present
The polyploid of object, nitride and boride mainly improves radiance by way of high temperature sintering.Cost is relatively high in this way,
However simply by the direct mechanical mixture of raw material, it is difficult to which the component for controlling high radiation paint is uniform with structure, causes coating
Radiance is unstable, is easy to appear falls off in practical applications, and energy-saving effect is unable to long-term effect.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can be improved component and structural homogeneity, have more stable
Infrared emittance, and the thermal shock resistance of coating can be improved, reduction falls off, and improves the heat storage height radiation of energy-saving long-acting
Composite layer paint and preparation method.
A kind of heat storage strong radiation coat coating of the invention, is to be composed of the following parts by weight:
A kind of heat storage strong radiation coat coating of the invention, the boron carbide, zirconium oxide, chrome green, bentonite,
Fire clay, lanthana, Brown Alundum, green silicon carbide and silica granularity be 320 mesh or more.
A kind of heat storage strong radiation coat coating of the invention, the Aluminum sol are the Aluminum sol that solid content is 30-50%.
A kind of heat storage strong radiation coat coating of the invention, construction technology the following steps are included:
A, surface of heat accumulator is purged using compressed air；
B, Aluminum sol is sprayed in surface of heat accumulator；
C, heat storage strong radiation coat coating is dipped in surface of heat accumulator.
A kind of heat storage strong radiation coat coating of the invention, the heat storage are chamber of hot-blast stove checker brick or accumulation of heat
Ball.
A kind of heat storage strong radiation coat coating of the invention, the surface of heat accumulator dip the painting of heat storage strong radiation coat
Material with a thickness of 100-200 μm.
A kind of preparation method of heat storage strong radiation coat coating of the invention, comprising the following steps:
(1) raw material mix: weigh respectively boron carbide, zirconium oxide, chrome green, bentonite, fire clay, lanthana,
Brown Alundum, green silicon carbide and silica are put into batch mixer and are uniformly mixed；
(2) raw material is ground: mixed raw material is added in ball mill and is ground, raw material is ground to 800 mesh or more,
Obtain powder；
(3) dilution is handled: Aluminum sol is diluted with water；
(4) compo: by after the powder obtained after grinding and dilution Aluminum sol and carboxymethyl cellulose be sequentially placed into
It is stirred in dispersion grinding all-in-one machine, thick suspension is made, obtains heat storage strong radiation coat coating.
A kind of preparation method of heat storage strong radiation coat coating of the invention, the Aluminum sol temperature in the step (3)
It is 50 DEG C ± 5 DEG C, the temperature of the water is 50 DEG C ± 5 DEG C.
Compared with prior art the invention has the benefit that
1, heat storage strong radiation coat coating of the invention can permeate in the open pore of surface of heat accumulator, at pinning
Shape is formed with heat storage and is seeped in conjunction with state, improves resistance to thermal shock stability.
2, heat storage strong radiation coat coating of the invention can be stored for a long time at room temperature never degenerates, and tests according to accumulation of heat
Standard (GB/T 31934-2015) is detected, and heat storage strong radiation coat coating of the invention is in chamber of hot-blast stove grid
The coating that brick or accumulation of heat ball surface are formed can make chamber of hot-blast stove checker brick or heat-storing sphere accumulation of heat rate improve 10-30%,
Heat storage capacity is improved, achievees the purpose that energy efficiency, gas saving 3-10%.
3, heat storage strong radiation coat coating of the invention is applied to chamber of hot-blast stove checker brick or heat-storing sphere whole table
Face, infrared emittance 0.89-0.94.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
Embodiment 1
80 parts of boron carbide of the granularity more than 320 mesh, 100 parts of zirconium oxide, 80 parts of chrome green, bentonite are weighed respectively
15 parts, 20 parts of fire clay, 10 parts of lanthana, 500 parts of Brown Alundum, 500 parts of green silicon carbide and 00 part of silica 1 are put into mixing
It is uniformly mixed in machine, mixed raw material is added in ball mill and is ground, raw material is ground to 800 mesh or more, obtains powder
The Aluminum sol that 500 parts of solid contents are 30-50% is diluted with water by material, and the temperature for controlling Aluminum sol and water is 50 DEG C ± 5
DEG C, by after the powder obtained after grinding and dilution Aluminum sol and 50 parts of carboxymethyl celluloses be sequentially placed into dispersion grinding all-in-one machine
In be stirred, thick suspension is made, obtains heat storage strong radiation coat coating.
Surface of heat accumulator is purged using compressed air, and sprays Aluminum sol in surface of heat accumulator, finally in accumulation of heat
Heat storage strong radiation coat coating is dipped in body surface face, and heat storage is chamber of hot-blast stove checker brick or heat-storing sphere, and heat storage
Surface dip heat storage strong radiation coat coating with a thickness of 100-200 μm.
It is tested with infrared emittance of the two waveband emissivity tester to obtained heat storage strong radiation coat coating,
Infrared emittance is 0.94 under room temperature state.Amount of stored heat test is carried out with checker brick sample, accumulation of heat rate improves 25%；Use accumulation of heat
Ball sample carries out amount of stored heat test, and accumulation of heat rate improves 29%；Thermal shock resistance: 1300 DEG C, water cooling recycles 20 times, flawless,
Without peeling.
Embodiment 2
50 parts of boron carbide of the granularity more than 320 mesh, 80 parts of zirconium oxide, 60 parts of chrome green, bentonite are weighed respectively
10 parts, 15 parts of fire clay, 7 parts of lanthana, 500 parts of Brown Alundum, 300 parts of green silicon carbide and 80 parts of silica are put into batch mixer
In be uniformly mixed, will mixed raw material be added ball mill in grind, raw material is ground to 800 mesh or more, obtains powder,
The Aluminum sol that 300 parts of solid contents are 30-50% is diluted with water, and the temperature for controlling Aluminum sol and water is 50 DEG C ± 5 DEG C, it will
Aluminum sol and 30 parts of carboxymethyl celluloses after the powder obtained after grinding and dilution be sequentially placed into dispersion grinding all-in-one machine in into
Row stirring, is made thick suspension, obtains heat storage strong radiation coat coating.
Surface of heat accumulator is purged using compressed air, and sprays Aluminum sol in surface of heat accumulator, finally in accumulation of heat
Heat storage strong radiation coat coating is dipped in body surface face, and heat storage is chamber of hot-blast stove checker brick or heat-storing sphere, and heat storage
Surface dip heat storage strong radiation coat coating with a thickness of 100-200 μm.
It is tested with infrared emittance of the two waveband emissivity tester to obtained heat storage strong radiation coat coating,
Infrared emittance is 0.91 under room temperature state.Amount of stored heat test is carried out with checker brick sample, accumulation of heat rate improves 19%；Use accumulation of heat
Ball sample carries out amount of stored heat test, and accumulation of heat rate improves 23%；Thermal shock resistance: 1300 DEG C, water cooling recycles 20 times, flawless,
Without peeling.
Embodiment 3
30 parts of boron carbide of the granularity more than 320 mesh, 45 parts of zirconium oxide, 30 parts of chrome green, bentonite 6 are weighed respectively
Part, 8 parts of fire clay, 3 parts of lanthana, 350 parts of Brown Alundum, 150 parts of green silicon carbide and 50 parts of silica are put into batch mixer
It is uniformly mixed, mixed raw material is added in ball mill and is ground, raw material is ground to 800 mesh or more, obtains powder, it will
The Aluminum sol that 200 parts of solid contents are 30-50% is diluted with water, and the temperature for controlling Aluminum sol and water is 50 DEG C ± 5 DEG C, will be ground
Aluminum sol and 15 parts of carboxymethyl celluloses after the powder obtained after mill and dilution are sequentially placed into dispersion grinding all-in-one machine and carry out
Stirring, is made thick suspension, obtains heat storage strong radiation coat coating.
Surface of heat accumulator is purged using compressed air, and sprays Aluminum sol in surface of heat accumulator, finally in accumulation of heat
Heat storage strong radiation coat coating is dipped in body surface face, and heat storage is chamber of hot-blast stove checker brick or heat-storing sphere, and heat storage
Surface dip heat storage strong radiation coat coating with a thickness of 100-200 μm.
It is tested with infrared emittance of the two waveband emissivity tester to obtained heat storage strong radiation coat coating,
Infrared emittance is 0.89 under room temperature state.Amount of stored heat test is carried out with checker brick sample, accumulation of heat rate improves 15%；Use accumulation of heat
Ball sample carries out amount of stored heat test, and accumulation of heat rate improves 21%；Thermal shock resistance: 1300 DEG C, water cooling recycles 20 times, flawless,
Without peeling.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made.
Claims (8)
1. a kind of heat storage strong radiation coat coating, which is characterized in that be to be composed of the following parts by weight:
2. a kind of heat storage strong radiation coat coating as described in claim 1, which is characterized in that the boron carbide, zirconium oxide,
Chrome green, bentonite, fire clay, lanthana, Brown Alundum, green silicon carbide and silica granularity be 320 mesh with
On.
3. a kind of heat storage strong radiation coat coating as described in claim 1, which is characterized in that the Aluminum sol is solid content
For the Aluminum sol of 30-50%.
4. a kind of heat storage strong radiation coat coating as described in claim 1, which is characterized in that its construction technology includes following
Step:
A, surface of heat accumulator is purged using compressed air；
B, Aluminum sol is sprayed in surface of heat accumulator；
C, heat storage strong radiation coat coating is dipped in surface of heat accumulator.
5. a kind of heat storage strong radiation coat coating as claimed in claim 4, which is characterized in that the heat storage is hot-blast stove
Regenerator lattice brick or heat-storing sphere.
6. a kind of heat storage strong radiation coat coating as claimed in claim 4, which is characterized in that the surface of heat accumulator is dipped
Heat storage strong radiation coat coating with a thickness of 100-200 μm.
7. a kind of preparation method of heat storage strong radiation coat coating, which comprises the following steps:
(1) raw material mixes: having weighed boron carbide, zirconium oxide, chrome green, bentonite, fire clay, lanthana, palm fibre respectively just
Beautiful, green silicon carbide and silica are put into batch mixer and are uniformly mixed；
(2) raw material is ground: mixed raw material being added in ball mill and is ground, raw material is ground to 800 mesh or more, is obtained
Powder；
(3) dilution is handled: Aluminum sol is diluted with water；
(4) compo: by after the powder obtained after grinding and dilution Aluminum sol and carboxymethyl cellulose be sequentially placed into dispersion
It is stirred in grinding all-in-one machine, thick suspension is made, obtain heat storage strong radiation coat coating.
8. a kind of preparation method of heat storage strong radiation coat coating as claimed in claim 7, which is characterized in that the step
(3) the Aluminum sol temperature in is 50 DEG C ± 5 DEG C, and the temperature of the water is 50 DEG C ± 5 DEG C.
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| CN201811261347.6A CN109336623A (en) | 2018-10-26 | 2018-10-26 | A kind of heat storage strong radiation coat coating and preparation method |
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| CN201811261347.6A CN109336623A (en) | 2018-10-26 | 2018-10-26 | A kind of heat storage strong radiation coat coating and preparation method |
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| CN111704438A (en) * | 2020-05-28 | 2020-09-25 | 郑州安耐克实业有限公司 | High-radiation nano coating for heat storage checker brick of hot blast stove and preparation method thereof |
| CN113387725A (en) * | 2021-06-30 | 2021-09-14 | 江西省萍乡市湘东石油化工填料厂 | Modified zirconia corundum slurry for honeycomb ceramic heat accumulator surface and pulping method thereof |
| CN114989646A (en) * | 2022-07-13 | 2022-09-02 | 刘新华 | Heat storage body high-radiation coating and preparation method thereof |
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| CN111704438A (en) * | 2020-05-28 | 2020-09-25 | 郑州安耐克实业有限公司 | High-radiation nano coating for heat storage checker brick of hot blast stove and preparation method thereof |
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| CN114989646A (en) * | 2022-07-13 | 2022-09-02 | 刘新华 | Heat storage body high-radiation coating and preparation method thereof |
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