CN109678538B - Anti-aging agent for high-temperature-resistant infrared coating and preparation method thereof - Google Patents
Anti-aging agent for high-temperature-resistant infrared coating and preparation method thereof Download PDFInfo
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- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 59
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 56
- 238000000576 coating method Methods 0.000 title claims abstract description 51
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- 239000011812 mixed powder Substances 0.000 claims abstract description 22
- 239000005388 borosilicate glass Substances 0.000 claims abstract description 21
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 20
- 239000011575 calcium Substances 0.000 claims abstract description 20
- ZRBFEDMQRDRUDG-UHFFFAOYSA-N silicon hexaboride Chemical compound B12B3[Si]45B3B2B4B51 ZRBFEDMQRDRUDG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 3
- 102000020897 Formins Human genes 0.000 claims description 2
- 108091022623 Formins Proteins 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052681 coesite Inorganic materials 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 229910052906 cristobalite Inorganic materials 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052682 stishovite Inorganic materials 0.000 claims description 2
- 229910052905 tridymite Inorganic materials 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 238000005303 weighing Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 21
- 238000000227 grinding Methods 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000009991 scouring Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 25
- 230000032683 aging Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 239000000156 glass melt Substances 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- CFOAUMXQOCBWNJ-UHFFFAOYSA-N [B].[Si] Chemical compound [B].[Si] CFOAUMXQOCBWNJ-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Resistance Heating (AREA)
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Abstract
An anti-aging agent for high-temperature resistant infrared paint and a preparation method thereof are characterized in that: a. 20-50 parts of silicon dioxide, 15-32 parts of silicon hexaboride, 15-32 parts of calcium hexaboride, 1-8 parts of boron trioxide and 3-12 parts of borosilicate glass, and adding the mixture into a mixing tank for premixing for 5-30 min; b. then adding the mixture into a fluidized bed type jet mill for shaping and mixing, and grading by a grader at 1200-2300 r/min to obtain mixed powder with the average particle size of 0.1-4 mu m; c. placing the mixed powder in a high-temperature furnace, heating to 850-1100 ℃ at the speed of 2-7 ℃/min, preserving heat for 1-3 h, and cooling along with the furnace to obtain a sintering material; d. crushing the sintered material to an average particle size of 0.5-5 mm, adding the crushed material into a fluidized bed type jet mill for superfine grinding, and using a classifier of 2400-3000 r/min to obtain the anti-aging agent for the high-temperature resistant infrared coating, wherein the average particle size of the anti-aging agent is 0.1-2 mu m. The invention has simple composition and simple and convenient preparation steps; has good stability, high-temperature infrared radiation capability, oxidation resistance and high-temperature complex atmosphere scouring resistance.
Description
Technical Field
The invention belongs to the technical field of high-temperature protection of refractory materials, and particularly relates to an anti-aging agent for a high-temperature-resistant infrared coating and a preparation method thereof.
Background
In recent years, the research and development and application of high-temperature resistant infrared coatings are widely concerned at home and abroad, and a batch of novel high-temperature resistant infrared coatings are developed and applied to a new field of high-temperature equipment, such as a glass melting furnace; however, the high-temperature resistant infrared coatings still have the problem of poor ageing resistance, so that the infrared spectrum radiance of the coatings is reduced along with the prolonging of the service time in a complex high-temperature atmosphere, and the service aging and energy-saving effect of the coatings are seriously influenced.
Disclosure of Invention
The invention aims to solve the problem of poor aging resistance of the existing high-temperature-resistant infrared coating, and provides an anti-aging agent for the high-temperature-resistant infrared coating and a preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the anti-aging agent for the high-temperature-resistant infrared coating is characterized by being prepared from the following raw materials in parts by weight: 20-50 parts of silicon dioxide, 15-32 parts of silicon hexaboride, 15-32 parts of calcium hexaboride, 1-8 parts of boron trioxide and 3-12 parts of borosilicate glass.
Further, the anti-aging agent for the high-temperature resistant infrared coating is preferably prepared from the following raw materials in parts by weight: 23-28 parts of silicon dioxide, 17-20 parts of silicon hexaboride, 17-20 parts of calcium hexaboride, 2-3 parts of boron trioxide and 4-6 parts of borosilicate glass.
Further, the anti-aging agent for the high-temperature resistant infrared coating is preferably prepared from the following raw materials in parts by weight: 30-35 parts of silicon dioxide, 22-25 parts of silicon hexaboride, 22-25 parts of calcium hexaboride, 3-4 parts of boron trioxide and 7-8 parts of borosilicate glass.
Further, the anti-aging agent for the high-temperature resistant infrared coating is preferably prepared from the following raw materials in parts by weight: 38-45 parts of silicon dioxide, 28-30 parts of silicon hexaboride, 28-30 parts of calcium hexaboride, 5-7 parts of boron trioxide and 9-10 parts of borosilicate glass.
Further, the average particle size of the silicon dioxide is 0.5-5 mu m, and SiO is2The content is more than or equal to 96 wt%; the average particle size of the silicon hexaboride is 0.1-3 μm; the average particle size of the calcium hexaboride is 0.1-3 mu m; the borosilicate glass has an average particle diameter of 0.1 to 10 [ mu ] m and SiO2Content is more than or equal to 35wt%, B2O3Less than or equal to 28wt%, Na2O+K2O content is less than or equal to 20wt%, Al2O3Less than or equal to 11wt%, Fe2O3The content is less than or equal to 0.5wt percent, and the balance is CaO.
The preparation method of the anti-aging agent for the high-temperature-resistant infrared coating is characterized by comprising the following steps of:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 5-30 min;
b. adding the premixed mixture into the gas consumption of 3 or 6m3Shaping and mixing in a fluidized bed type jet mill for min, and controlling the rotating speed of a jet mill classifier to be 1200-2300 r/min to obtain uniform mixed powder with the average particle size of 0.1-4 mu m;
c. b, placing the uniformly mixed powder obtained in the step b into a high-temperature furnace, heating to 850-1100 ℃ at the speed of 2-7 ℃/min, preserving heat for 1-3 h, and cooling along with the furnace to obtain a sintered material;
d. c, crushing the sintered material obtained in the step c until the average particle size is 0.5-5 mm, meeting the requirement of the feeding size of an airflow mill classifier, and then adding the crushed material into a classifier with the air consumption of 3 or 6m3And (3) performing superfine treatment on the fluidized bed type jet mill in the presence of a superfine powder, controlling the rotating speed of a jet mill classifier to be 2400-3000 r/min, and performing superfine treatment to obtain the anti-aging agent for the high-temperature resistant infrared coating, wherein the average particle size of the anti-aging agent is 0.1-2 mu m.
When the temperature is lower than 1000 ℃, boron trioxide, silicon dioxide and borosilicate glass powder form a boron-silicon self-healing glass melt which can be rapidly filled into formed cracks and react with silicon dioxide components in the infrared coating to generate a silicon dioxide-glass melt protective film, so that the cracks are healed, the cracks are prevented from expanding, the radiation base material is wrapped or covered, and the reduction of the radiance of the high-temperature resistant infrared coating caused by the oxidation of the radiation base material is prevented; when the temperature is higher than 1000 ℃, silicon dioxide, silicon hexaboride, calcium hexaboride and borosilicate glass generate a protective layer which takes silicon-oxygen tetrahedron as a network structure and takes a high-viscosity glass body and a high-radiation agent as a filling body and has the self-healing characteristic, and the protective layer covers or wraps a radiation base material, wherein the oxidation of the radiation base material is slowed down due to the diffusion of an oxidation medium on one hand, and an oxidation product fills cracks on the other hand, so that the radiation base material has the self-healing function.
The invention has the beneficial effects that: 1. the composition is simple, and the preparation steps are simple and convenient; 2. the anti-aging coating is applied to high-temperature-resistant infrared coatings, generates an anti-aging layer which takes silicon-oxygen tetrahedrons as network structures and takes high-viscosity glass bodies and high radiant agents as fillers and has self-healing characteristics in a high-temperature complex atmosphere environment, and has stable and good high-temperature infrared radiation capability, oxidation resistance and high-temperature complex atmosphere scouring resistance.
Drawings
FIG. 1 is a graph showing the anti-aging effect of the antioxidant for a high temperature infrared ray-resistant paint of example 1.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 40 parts of silica having an average particle size of 3 μm, 28 parts of silicon hexaboride having an average particle size of 0.1 μm, 23 parts of calcium hexaboride having an average particle size of 2 μm, 5 parts of diboron trioxide, and 8 parts of borosilicate glass having an average particle size of 8 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 26 min;
b. then adding the gas to the gas consumption of 3m3In a fluidized bed type jet mill of min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 1750r/min, and uniform mixed powder with the average particle size of 2 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 900 ℃ at the speed of 5 ℃/min, preserving heat for 2h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material until the average grain diameter is 2.7mm, and adding the crushed sintering material until the gas consumption is 6m3In a fluidized bed type jet mill of min, the superfine grinding is carried out under the condition that the rotating speed of a jet mill classifier is 2700r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 1 mu m is obtained.
Example 2
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 35 parts of silica having an average particle size of 2 μm, 15 parts of silicon hexaboride having an average particle size of 2 μm, 30 parts of calcium hexaboride having an average particle size of 1.6 μm, 6 parts of diboron trioxide, and 6 parts of borosilicate glass having an average particle size of 1 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 20 min;
b. then adding the gas to the gas consumption of 6m3In a fluidized bed type jet mill of/min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 2200r/min, and uniform mixed powder with the average grain diameter of 0.9 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 850 ℃ at the speed of 2 ℃/min, preserving heat for 3h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintered material to average grain size of 0.8mm, and adding into gas consumption of 6m3In a fluidized bed type jet mill of min, the superfine grinding is carried out at the rotating speed of a jet mill classifier of 2800r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 0.5 mu m is obtained.
Example 3
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 20 parts of silicon dioxide having an average particle size of 0.5 μm, 30 parts of silicon hexaboride having an average particle size of 1.6 μm, 15 parts of calcium hexaboride having an average particle size of 1 μm, 1 part of diboron trioxide, and 9 parts of borosilicate glass having an average particle size of 5.5 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 5 min;
b. then adding the gas to the gas consumption of 6m3In a fluidized bed type jet mill of min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 1200r/min, and uniform mixed powder with the average grain diameter of 2.1 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 1000 ℃ at the speed of 6 ℃/min, preserving heat for 3h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material until the average grain diameter is 5mm, and adding the crushed sintering material until the gas consumption is 3m3In a fluidized bed type jet mill of min, the superfine grinding is carried out under the condition that the rotating speed of a jet mill classifier is 2400r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 2 mu m is obtained.
Example 4
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 46 parts of silica having an average particle size of 4 μm, 19 parts of silicon hexaboride having an average particle size of 1 μm, 32 parts of calcium hexaboride having an average particle size of 0.8 μm, 7 parts of diboron trioxide, 12 parts of borosilicate glass having an average particle size of 3 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 25 min;
b. then adding the gas to the gas consumption of 3m3In a fluidized bed type jet mill of min, shaping and mixing are carried out under the rotating speed of a jet mill classifier of 1500r/min, and uniform mixed powder with the average grain diameter of 4 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 975 ℃ at the speed of 4.5 ℃/min, preserving heat for 1h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material until the average grain diameter is 2.8mm, and adding the crushed sintering material until the gas consumption is 6m3In a fluidized bed type jet mill of min, the superfine grinding is carried out under the condition that the rotating speed of a jet mill classifier is 2500r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 1.1 mu m is obtained.
Example 5
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 29 parts of silica having an average particle size of 1 μm, 23 parts of silicon hexaboride having an average particle size of 3 μm, 24 parts of calcium hexaboride having an average particle size of 0.3 μm, 4 parts of diboron trioxide, and 7 parts of borosilicate glass having an average particle size of 0.1 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 17 min;
b. then adding the gas to the gas consumption of 6m3In the fluidized bed type jet mill of/min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 2300r/min,obtaining uniform mixed powder with the average grain diameter of 0.1 mu m;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 1100 ℃ at the speed of 3 ℃/min, preserving heat for 2h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material to an average grain diameter of 0.5mm, and adding the crushed sintering material until the gas consumption is 6m3In a fluidized bed type jet mill of min, the superfine grinding is carried out under the rotating speed of a jet mill classifier of 3000r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 0.1 mu m is obtained.
Example 6
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 50 parts of silica having an average particle size of 2 μm, 27 parts of silicon hexaboride having an average particle size of 1.5 μm, 29 parts of calcium hexaboride having an average particle size of 1.5 μm, 8 parts of diboron trioxide, and 11 parts of borosilicate glass having an average particle size of 6 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 30 min;
b. then adding the gas to the gas consumption of 3m3In a fluidized bed type jet mill of/min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 1300r/min, and uniform mixed powder with the average grain diameter of 3 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 1050 ℃ at the speed of 7 ℃/min, preserving heat for 3h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material until the average grain diameter is 3mm, and adding the crushed sintering material until the gas consumption is 6m3In a fluidized bed type jet mill of min, the superfine grinding is carried out under the condition that the rotating speed of a jet mill classifier is 2500r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 1.6 mu m is obtained.
Example 7
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 23 parts of silica having an average particle size of 0.5 μm, 32 parts of silicon hexaboride having an average particle size of 1.6 μm, 18 parts of calcium hexaboride having an average particle size of 0.1 μm, 5 parts of diboron trioxide, and 3 parts of borosilicate glass having an average particle size of 10 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 9 min;
b. then adding the gas to the gas consumption of 6m3In a fluidized bed type jet mill of/min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 1400r/min, and uniform mixed powder with the average grain diameter of 2.5 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 930 ℃ at the speed of 4 ℃/min, preserving heat for 2h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintering material until the average grain diameter is 2mm, and adding the crushed sintering material until the gas consumption is 6m3In a fluidized bed type jet mill of/min, the superfine grinding is carried out under the condition that the rotating speed of a jet mill classifier is 2600r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 1.2 mu m is obtained.
Example 8
An anti-aging agent for a high-temperature-resistant infrared coating is prepared from the following raw materials in parts by weight: 38 parts of silica having an average particle size of 1 μm, 24 parts of silicon hexaboride having an average particle size of 0.5 μm, 27 parts of calcium hexaboride having an average particle size of 3 μm, 6 parts of diboron trioxide, 5 parts of borosilicate glass having an average particle size of 0.5 μm.
A preparation method of an anti-aging agent for a high-temperature-resistant infrared coating specifically comprises the following steps:
a. mixing the raw materials according to the weight part ratio, adding the mixture into a mixing tank, and premixing for 18 min;
b. then adding the gas to the gas consumption of 6m3In a fluidized bed type jet mill of min, shaping and mixing are carried out under the condition that the rotating speed of a jet mill classifier is 2100r/min, and uniform mixed powder with the average grain diameter of 1.6 mu m is obtained;
c. then placing the uniformly mixed powder into a high-temperature furnace, heating to 1080 ℃ at the speed of 5 ℃/min, preserving heat for 1h, and cooling along with the furnace to obtain a sintering material;
d. crushing the sintered material to average particlesThe diameter is 1mm, and then the gas consumption is 3m3In a fluidized bed type jet mill of min, the superfine grinding is carried out at the rotating speed of a jet mill classifier of 2850r/min, and the anti-aging agent for the high-temperature resistant infrared coating with the average grain diameter of 0.8 mu m is obtained.
FIG. 1 is a graph showing the anti-aging effect of the anti-aging agent for a high temperature infrared paint in example 1, and it can be seen from the graph that after the anti-aging agent of the present invention is used in a high temperature infrared paint, the infrared spectrum radiance of the anti-aging agent for a high temperature infrared paint is still as high as 0.915 at a high temperature for one year, the attenuation rate is only 5.375%/year, the anti-aging agent for a high temperature infrared paint is fully shown, and the anti-aging agent for a high temperature infrared paint has excellent high temperature anti-aging effect.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and that the application is capable of use in various other combinations, modifications, and environments. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (5)
1. The preparation method of the anti-aging agent for the high-temperature-resistant infrared coating is characterized by comprising the following steps of:
a. weighing the following raw materials in parts by weight: 20-50 parts of silicon dioxide, 15-32 parts of silicon hexaboride, 15-32 parts of calcium hexaboride, 1-8 parts of boron trioxide and 3-12 parts of borosilicate glass, mixing the raw materials, adding the mixture into a mixing tank, and premixing for 5-30 min;
b. adding the premixed mixture into the gas consumption of 3 or 6m3Shaping and mixing in a fluidized bed type jet mill for min, and controlling the rotating speed of a jet mill classifier to be 1200-2300 r/min to obtain uniform mixed powder with the average particle size of 0.1-4 mu m;
c. b, placing the uniformly mixed powder obtained in the step b into a high-temperature furnace, heating to 850-1100 ℃ at the speed of 2-7 ℃/min, preserving heat for 1-3 h, and cooling along with the furnace to obtain a sintered material;
d. firstly, crushing the sintered material obtained in the step c until the average grain diameter is 0.5-5 mm, meeting the requirement of the feeding size of an airflow mill classifier,then adding the gas to the gas consumption of 3 or 6m3And (3) performing superfine treatment on the fluidized bed type jet mill in the presence of a superfine powder, controlling the rotating speed of a jet mill classifier to be 2400-3000 r/min, and performing superfine treatment to obtain the anti-aging agent for the high-temperature resistant infrared coating, wherein the average particle size of the anti-aging agent is 0.1-2 mu m.
2. The method for preparing the anti-aging agent for the high-temperature infrared coating according to claim 1, wherein the anti-aging agent comprises the following components in percentage by weight: preferably prepared from the following raw materials in parts by weight: 23-28 parts of silicon dioxide, 17-20 parts of silicon hexaboride, 17-20 parts of calcium hexaboride, 2-3 parts of boron trioxide and 4-6 parts of borosilicate glass.
3. The method for preparing the anti-aging agent for the high-temperature infrared coating according to claim 1, wherein the anti-aging agent comprises the following components in percentage by weight: preferably prepared from the following raw materials in parts by weight: 30-35 parts of silicon dioxide, 22-25 parts of silicon hexaboride, 22-25 parts of calcium hexaboride, 3-4 parts of boron trioxide and 7-8 parts of borosilicate glass.
4. The method for preparing the anti-aging agent for the high-temperature infrared coating according to claim 1, wherein the anti-aging agent comprises the following components in percentage by weight: preferably prepared from the following raw materials in parts by weight: 38-45 parts of silicon dioxide, 28-30 parts of silicon hexaboride, 28-30 parts of calcium hexaboride, 5-7 parts of boron trioxide and 9-10 parts of borosilicate glass.
5. The method for preparing the anti-aging agent for the high-temperature infrared coating according to claim 1, wherein the anti-aging agent comprises the following components in percentage by weight: the average particle diameter of the silicon dioxide is 0.5-5 mu m, and SiO is2The content is more than or equal to 96 wt%; the average particle size of the silicon hexaboride is 0.1-3 μm; the average particle size of the calcium hexaboride is 0.1-3 mu m; the borosilicate glass has an average particle diameter of 0.1 to 10 [ mu ] m and SiO2Content is more than or equal to 35wt%, B2O3Less than or equal to 28wt%, Na2O+K2O content is less than or equal to 20wt%, Al2O3Less than or equal to 11wt%, Fe2O3The content is less than or equal to 0.5wt percent, and the balance is CaO.
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| US3652318A (en) * | 1969-11-13 | 1972-03-28 | Moeller J D Optik | Process for the production of antidazzle glass filters |
| CN101648817A (en) * | 2009-08-28 | 2010-02-17 | 中材高新材料股份有限公司 | High temperature resistance low-expansion high-radiation (reflecting) inorganic waterproof coating |
| CN102858716A (en) * | 2010-03-17 | 2013-01-02 | Sgl碳股份公司 | Material composition, production thereof and use of same |
| CN105860612A (en) * | 2016-06-14 | 2016-08-17 | 安徽华光光电材料科技集团有限公司 | Energy-saving paint resistant to high temperature and high infrared radiation and preparation method thereof |
| CN106065204A (en) * | 2016-06-12 | 2016-11-02 | 深圳市凯盛科技工程有限公司 | A kind of energy-saving industrial furnace |
| CN106084908A (en) * | 2016-06-14 | 2016-11-09 | 深圳市凯盛科技工程有限公司 | A kind of glass melter infrared high-radiation energy-saving coating and preparation method thereof |
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2019
- 2019-01-28 CN CN201910080252.2A patent/CN109678538B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652318A (en) * | 1969-11-13 | 1972-03-28 | Moeller J D Optik | Process for the production of antidazzle glass filters |
| CN101648817A (en) * | 2009-08-28 | 2010-02-17 | 中材高新材料股份有限公司 | High temperature resistance low-expansion high-radiation (reflecting) inorganic waterproof coating |
| CN102858716A (en) * | 2010-03-17 | 2013-01-02 | Sgl碳股份公司 | Material composition, production thereof and use of same |
| CN106065204A (en) * | 2016-06-12 | 2016-11-02 | 深圳市凯盛科技工程有限公司 | A kind of energy-saving industrial furnace |
| CN105860612A (en) * | 2016-06-14 | 2016-08-17 | 安徽华光光电材料科技集团有限公司 | Energy-saving paint resistant to high temperature and high infrared radiation and preparation method thereof |
| CN106084908A (en) * | 2016-06-14 | 2016-11-09 | 深圳市凯盛科技工程有限公司 | A kind of glass melter infrared high-radiation energy-saving coating and preparation method thereof |
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| CN109678538A (en) | 2019-04-26 |
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