CN114573356A - Regenerated corundum air-permeable brick cup and preparation method thereof - Google Patents
Regenerated corundum air-permeable brick cup and preparation method thereof Download PDFInfo
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- CN114573356A CN114573356A CN202011382414.7A CN202011382414A CN114573356A CN 114573356 A CN114573356 A CN 114573356A CN 202011382414 A CN202011382414 A CN 202011382414A CN 114573356 A CN114573356 A CN 114573356A
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- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 145
- 239000010431 corundum Substances 0.000 title claims abstract description 145
- 239000011449 brick Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000010227 cup method (microbiological evaluation) Methods 0.000 title description 2
- 239000000843 powder Substances 0.000 claims abstract description 106
- 239000002245 particle Substances 0.000 claims abstract description 88
- 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 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004568 cement Substances 0.000 claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 25
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 25
- 239000011029 spinel Substances 0.000 claims abstract description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims abstract description 21
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 14
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000001095 magnesium carbonate Substances 0.000 claims description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 6
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 6
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 101100434462 Arabidopsis thaliana ADS3 gene Proteins 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000003674 animal food additive Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a regenerated corundum air-permeable brick cup and a preparation method thereof, which are characterized by comprising the following components in parts by weight: regenerated corundum particles: 50-70 parts by mass; corundum particles: 0-20 parts by mass; corundum powder: 3-10 parts by mass; alumina micropowder: 3-10 parts by mass; chromium oxide powder: 0-5 parts by mass; capacitor spinel powder: 3-10 parts by mass; magnesia powder: 0-5 parts by mass; silicon micropowder: 0-2 parts of a stabilizer; calcium aluminate cement: 0-10 parts by mass; water reducing agent: 0.1-1 part by mass; explosion-proof agent: the mass fraction is 0.1 to 2; the invention has the beneficial effects that the defects of the prior art are overcome, and the regenerated corundum seat brick with reasonable component proportion and strong air permeability and the production method are provided.
Description
Technical Field
The invention relates to an air brick for the industry in the field of metal smelting, in particular to a regenerated corundum air brick cup and a preparation method thereof.
Background
The air brick consists of a brick core and a brick cup, is used as an air supply element at the bottom of the metal smelting furnace, and has an unusually severe use environment. In order to protect the core of the air brick and fully exert the integral function of the air brick, the brick cup is generally made of expensive corundum materials.
Disclosure of Invention
The invention aims to provide a regenerated corundum air-permeable brick cup and a preparation method thereof aiming at the defects of the prior art.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The regenerated corundum air-permeable brick cup is characterized by comprising the following components in parts by weight: regenerated corundum particles: 50-70 parts by mass; corundum particles: 0-20 parts by mass; corundum powder: 3-10 parts by mass; alumina micropowder: 3-10 parts by mass; chromium oxide powder: 0-5 parts by mass; capacitor spinel powder: 3-10 parts by mass; magnesia powder: 0-5 parts by mass; silicon micropowder: 0-2 parts of a stabilizer; calcium aluminate cement: 0-10 parts by mass; water reducing agent: 0.1-1 part by mass; explosion-proof agent: the mass fraction is 0.1 to 2.
Further, the particle size of the regenerated corundum particles is more than 0.088mm and less than or equal to 5mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the granularity of the corundum particles is more than 0.088mm and less than or equal to 1mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the particle size of the corundum powder is more than 0.02mm and less than or equal to 0.044mm, and the content of alumina in the corundum powder is more than or equal to 95 wt%; the granularity of the alumina micro powder is less than or equal to 0.02 mm; the granularity of the chromium oxide powder is less than or equal to 0.088 mm; the granularity of the capacitance spinel powder is less than or equal to 0.088 mm; the granularity of the magnesite powder is less than or equal to 0.044mm, and the content of alumina in the magnesite powder is greater than or equal to 95 wt%; the granularity of the silicon micro powder is less than or equal to 0.01mm, and the content of alumina in the silicon micro powder is more than or equal to 95 wt%; the particle size of the calcium aluminate cement is less than or equal to 0.044mm, and the content of alumina in the calcium aluminate cement is more than or equal to 70 wt%; the water reducing agent is one or a plurality of ADS3, ADW1 and sodium tripolyphosphate; the explosion-proof agent is one or 2 of organic fiber and metal aluminum powder.
Further, the feed additive comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
Further, the feed additive comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
Further, the feed comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
Further, the feed additive comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.6 part of magnesia powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of metal aluminum powder.
Further, the feed additive comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
Further, the feed additive comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber.
A preparation method of a recycled corundum air-permeable brick cup comprises the following steps:
the first step is as follows: preparing raw materials according to the formula composition of the regenerated corundum air-permeable brick cup, and inspecting the raw materials according to national standards;
the second step is that: material preparation and water adding and stirring: weighing each component according to the designed proportion of the recycled corundum air-permeable brick cup, placing the components in a stirrer, stirring for 10min, uniformly mixing, then adding water accounting for 5% of the total weight of each component, continuously stirring for 15min, and uniformly mixing to obtain pug;
the third step: pouring and demolding: injecting the pug obtained in the second step into a mould, and vibrating and compacting until the surface is dense and slurried; after demolding, drying for 24-48 hours at 50 ℃ to obtain a gas-permeable brick cup blank;
the fourth step: baking: heating and baking the green brick obtained in the second step to 120-300 ℃ for 16-36 h, and discharging the residual free water and crystal water to obtain the thermal shock resistant corundum air-permeable brick cup;
the fifth step: and packaging and warehousing the detected product.
The invention has the beneficial effects that the defects of the prior art are overcome, and the regenerated corundum seat brick with reasonable component proportion and strong air permeability and the production method are provided.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
The regenerated corundum air-permeable brick cup is characterized by comprising the following components in parts by weight: regenerated corundum particles: 50-70 parts by mass; corundum particles: 0-20 parts by mass; corundum powder: 3-10 parts by mass; alumina micropowder: 3-10 parts by mass; chromium oxide powder: 0-5 parts by mass; capacitance spinel powder: 3-10 parts by mass; magnesia powder: 0-5 parts by mass; silicon micropowder: 0-2 parts of a stabilizer; calcium aluminate cement: 0-10 parts by mass; water reducing agent: 0.1-1 part by mass; explosion-proof agent: the mass fraction is 0.1 to 2.
The particle size of the regenerated corundum particles is more than 0.088mm and less than or equal to 5mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the granularity of the corundum particles is more than 0.088mm and less than or equal to 1mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the particle size of the corundum powder is more than 0.02mm and less than or equal to 0.044mm, and the content of alumina in the corundum powder is more than or equal to 95 wt%; the granularity of the alumina micro powder is less than or equal to 0.02 mm; the granularity of the chromium oxide powder is less than or equal to 0.088 mm; the granularity of the capacitance spinel powder is less than or equal to 0.088 mm; the granularity of the magnesite powder is less than or equal to 0.044mm, and the content of alumina in the magnesite powder is greater than or equal to 95 wt%; the granularity of the silicon micro powder is less than or equal to 0.01mm, and the content of alumina in the silicon micro powder is more than or equal to 95 wt%; the particle size of the calcium aluminate cement is less than or equal to 0.044mm, and the content of alumina in the calcium aluminate cement is more than or equal to 70 wt%; the water reducing agent is one or a plurality of ADS3, ADW1 and sodium tripolyphosphate; the explosion-proof agent is one or 2 of organic fiber and metal aluminum powder.
Specific example 1:
the composition comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
Specific example 2:
the composition comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
Specific example 3:
the composition comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
Specific example 4:
the composition comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.6 part of magnesia powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of metal aluminum powder.
Specific example 5:
the composition comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
Specific example 6:
the composition comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber.
A method for regenerating corundum air-permeable brick cup comprises the following steps:
the first step is as follows: preparing raw materials according to the formula composition of the regenerated corundum air-permeable brick cup, and inspecting the raw materials according to national standards;
the second step: preparing materials, adding water and stirring: weighing the components according to the designed proportion of the regenerated corundum air-permeable brick cup, placing the components in a stirrer, stirring for 10min, uniformly mixing, then adding water accounting for 5% of the total weight of the components, continuously stirring for 15min, and uniformly mixing to obtain pug;
the third step: pouring and demolding: injecting the pug obtained in the second step into a mould, and vibrating and compacting until the surface is dense and slurried; after demolding, drying for 24-48 hours at 50 ℃ to obtain a gas-permeable brick cup blank;
the fourth step: baking: heating and baking the green brick obtained in the second step to 120-300 ℃ for 16-36 h, and discharging the residual free water and crystal water to obtain the thermal shock resistant corundum air-permeable brick cup;
the fifth step: and packaging and warehousing the detected product.
The invention has the beneficial effects that the defects of the prior art are overcome, and the regenerated corundum seat brick with reasonable component proportion and strong air permeability and the production method are provided.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (9)
1. The regenerated corundum air-permeable brick cup is characterized by comprising the following components in parts by weight: regenerated corundum particles: 50-70 parts by mass; corundum particles: 0-20 parts by mass; corundum powder: 3-10 parts by mass; alumina micropowder: 3-10 parts by mass; chromium oxide powder: 0-5 parts by mass; capacitor spinel powder: 3-10 parts by mass; magnesia powder: 0-5 parts by mass; silicon micropowder: 0-2 parts of a stabilizer; calcium aluminate cement: 0-10 parts by mass; water reducing agent: 0.1-1 part by mass; explosion-proof agent: the mass fraction is 0.1 to 2.
2. A recycled corundum air brick cup according to claim 1, characterized in that: the particle size of the regenerated corundum particles is more than 0.088mm and less than or equal to 5mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the granularity of the corundum particles is more than 0.088mm and less than or equal to 1mm, and the content of alumina in the regenerated corundum particles is more than or equal to 95 wt%; the particle size of the corundum powder is more than 0.02mm and less than or equal to 0.044mm, and the content of alumina in the corundum powder is more than or equal to 95 wt%; the granularity of the alumina micro powder is less than or equal to 0.02 mm; the granularity of the chromium oxide powder is less than or equal to 0.088 mm; the granularity of the capacitance spinel powder is less than or equal to 0.088 mm; the granularity of the magnesite powder is less than or equal to 0.044mm, and the content of alumina in the magnesite powder is greater than or equal to 95 wt%; the granularity of the silicon micro powder is less than or equal to 0.01mm, and the content of alumina in the silicon micro powder is more than or equal to 95 wt%; the granularity of the calcium aluminate cement is less than or equal to 0.044mm, and the content of alumina in the calcium aluminate cement is more than or equal to 70 percent by weight; the water reducing agent is one or more of ADS3, ADW1 and sodium tripolyphosphate; the explosion-proof agent is one or 2 of organic fiber and metal aluminum powder.
3. The recycled corundum air brick according to claim 2, characterized in that the recycled corundum air brick comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
4. The recycled corundum air brick according to claim 2, characterized in that the recycled corundum air brick comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
5. The recycled corundum air brick according to claim 2, characterized in that the recycled corundum air brick comprises the following components in parts by weight: 35 parts of regenerated corundum particles with the granularity of 3-5 mm; 15 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.1 part of metal aluminum powder.
6. The recycled corundum air brick according to claim 2, characterized in that the recycled corundum air brick comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 5 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 7 parts of capacitor spinel powder; 0.6 part of magnesia powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of metal aluminum powder.
7. The recycled corundum air brick cup according to claim 2, characterized in that the recycled corundum air brick cup comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 20 parts of corundum particles; 4 portions of corundum powder with the granularity of 0.02 to 0.044; 10 parts of alumina micro powder; 2 parts of chromium oxide powder; 7 parts of capacitor spinel powder; 0.5 part of silicon micropowder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber; 0.05 part of metal aluminum powder.
8. The recycled corundum air brick according to claim 2, characterized in that the recycled corundum air brick comprises the following components in parts by weight: 30 parts of regenerated corundum particles with the granularity of 3-5 mm; 20 parts of regenerated corundum particles with the granularity of 1-2.9 mm; 10 parts of regenerated corundum particles with the granularity of 0-0.9 mm; 10 parts of corundum particles; 6 parts of corundum powder with the granularity of 0.02-0.044; 10 parts of alumina micro powder; 5 parts of capacitor spinel powder; 6 parts of calcium aluminate cement; 0.8 part of a water reducing agent; 0.1 part of organic fiber.
9. The method for preparing the recycled corundum air brick cup according to any one of claims 1 to 8, comprising the following steps:
the first step is as follows: preparing raw materials according to the formula composition of the regenerated corundum air-permeable brick cup, and inspecting the raw materials according to national standards;
the second step: material preparation and water adding and stirring: weighing each component according to the designed proportion of the recycled corundum air-permeable brick cup, placing the components in a stirrer, stirring for 10min, uniformly mixing, then adding water accounting for 5% of the total weight of each component, continuously stirring for 15min, and uniformly mixing to obtain pug;
the third step: pouring and demolding: injecting the pug obtained in the second step into a mould, and vibrating and compacting until the surface is dense and slurried; after demoulding, drying for 24-48 hours at 50 ℃ to obtain an air-permeable brick cup adobe;
the fourth step: baking: heating and baking the green brick obtained in the second step to 120-300 ℃ for 16-36 h, and discharging the residual free water and crystal water to obtain the thermal shock resistant corundum air-permeable brick cup;
the fifth step: and packaging and warehousing the detected product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011382414.7A CN114573356A (en) | 2020-12-01 | 2020-12-01 | Regenerated corundum air-permeable brick cup and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011382414.7A CN114573356A (en) | 2020-12-01 | 2020-12-01 | Regenerated corundum air-permeable brick cup and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114573356A true CN114573356A (en) | 2022-06-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5641720A (en) * | 1994-11-29 | 1997-06-24 | Hoechst Ceramtec Aktiengesellschaft | Corundum porcelain composition, processes for its preparation and use |
| RU2006132165A (en) * | 2006-09-06 | 2008-03-20 | Открытое акционерное общество "Чел бинский металлургический комбинат" (RU) | FIRE-RESISTANT CONCRETE MASS FOR THE PRODUCTION OF LAYING OF CONSTRUCTIVE ELEMENTS OF UNITS |
| CN102010159A (en) * | 2010-10-29 | 2011-04-13 | 无锡市宜宏耐火材料有限公司 | Energy-saving type air permeable brick and preparation method thereof |
| CN102173826A (en) * | 2010-12-30 | 2011-09-07 | 中南大学 | Corundum breathable seat brick with high thermal shock resistance and production method thereof |
| CN102351551A (en) * | 2011-07-18 | 2012-02-15 | 无锡市宜宏耐火材料有限公司 | Energy-saving swing-groove for continuous casting tundish and preparation method thereof |
-
2020
- 2020-12-01 CN CN202011382414.7A patent/CN114573356A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5641720A (en) * | 1994-11-29 | 1997-06-24 | Hoechst Ceramtec Aktiengesellschaft | Corundum porcelain composition, processes for its preparation and use |
| RU2006132165A (en) * | 2006-09-06 | 2008-03-20 | Открытое акционерное общество "Чел бинский металлургический комбинат" (RU) | FIRE-RESISTANT CONCRETE MASS FOR THE PRODUCTION OF LAYING OF CONSTRUCTIVE ELEMENTS OF UNITS |
| CN102010159A (en) * | 2010-10-29 | 2011-04-13 | 无锡市宜宏耐火材料有限公司 | Energy-saving type air permeable brick and preparation method thereof |
| CN102173826A (en) * | 2010-12-30 | 2011-09-07 | 中南大学 | Corundum breathable seat brick with high thermal shock resistance and production method thereof |
| CN102351551A (en) * | 2011-07-18 | 2012-02-15 | 无锡市宜宏耐火材料有限公司 | Energy-saving swing-groove for continuous casting tundish and preparation method thereof |
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