CN110698210A - Ladle bottom castable with long service life and low cost and preparation method thereof - Google Patents
Ladle bottom castable with long service life and low cost and preparation method thereof Download PDFInfo
- Publication number
- CN110698210A CN110698210A CN201910948510.4A CN201910948510A CN110698210A CN 110698210 A CN110698210 A CN 110698210A CN 201910948510 A CN201910948510 A CN 201910948510A CN 110698210 A CN110698210 A CN 110698210A
- Authority
- CN
- China
- Prior art keywords
- granularity
- alumina
- ladle bottom
- white corundum
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The invention relates to the technical field of refractory materials, in particular to a ladle bottom castable material with long service life and low cost and a preparation method thereof, which comprises the steps of recovering alumina ceramics, white corundum, fused magnesia-alumina spinel, pure calcium aluminate cement, alpha-alumina micropowder, sodium tripolyphosphate, metal aluminum powder and organic fibers, wherein the recovered alumina ceramics, white corundum, fused magnesia spinel, pure calcium aluminate cement, alpha-alumina micropowder, sodium tripolyphosphate, metal aluminum powder and organic fibers are proportioned by weight, the service life of the ladle bottom castable material prepared by the invention is equivalent to that of a high-grade ladle bottom castable material, the production cost is reduced, the corrosion and permeability of ladle slag of the ladle bottom castable material can be improved, the thickness of a metamorphic layer of a ladle bottom working layer is reduced, and part of waste alumina ceramics can be recovered and consumed, reduce the consumption of non-renewable data of bauxite ore.
Description
Technical Field
The invention relates to the technical field of refractory materials, in particular to a 2D plane marble paint and a preparation method thereof.
Background
In recent years, with the development of continuous casting technology and external refining, the ladle not only is a container for containing molten steel, but also is an apparatus for refining molten steel. How to improve the service life of the ladle lining material has become a key subject of research by most people. Along with the increase of the temperature of the molten steel, the residence time of the molten steel in the steel ladle is prolonged, so that the refractory material of the lining of the steel ladle bears larger erosion loss, the erosion rate of the ladle wall is seriously inconsistent with the erosion rate of the refractory material of the ladle bottom, and the service life of the steel ladle is shortened. The method has the advantages that the castable material for the ladle bottom is practically improved, the erosion resistance and the permeability of the castable for the ladle bottom are improved, the service life of the castable is further prolonged, and the method becomes a key for further prolonging the service life of the ladle. The alumina ceramics are fragile, a large amount of waste products are generated in the actual production, the longer the time is, the more the waste alumina ceramics are accumulated, and the problem that how to treat the waste alumina ceramics is troublesome is solved.
In conclusion, the invention solves the existing problems by designing the ladle bottom castable with long service life and low cost and the preparation method thereof.
Disclosure of Invention
The invention aims to provide a ladle bottom castable with long service life and low cost and a preparation method thereof so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a ladle bottom castable with long service life and low cost and a preparation method thereof comprise recycled alumina ceramics, white corundum, fused magnesia spinel, pure calcium aluminate cement, alpha-alumina micropowder, sodium tripolyphosphate, metal aluminum powder and organic fiber, wherein the recycled alumina ceramics, the white corundum, the fused magnesia spinel, the pure calcium aluminate cement, the alpha-alumina micropowder, sodium tripolyphosphate, the metal aluminum powder and the organic fiber are mixed according to the weight proportion, 10-30 parts of the recycled alumina ceramics, 30-60 parts of the white corundum, 3-10 parts of the fused magnesia, 2-12 parts of the fused magnesia spinel, 3-8 parts of the pure calcium aluminate cement, 4-10 parts of the alpha-alumina micropowder, 0.08-0.015 part of the sodium tripolyphosphate and 0.01-0.04 part of the metal aluminum powder, 0.1-0.6 part of organic fiber.
Preferably, the recovered alumina ceramic contains greater than or equal to 99% of alumina by weight, has a volume density greater than or equal to 3.15g/cm3, and has particle sizes of 15-8mm, 8-5mm and 5-3mm respectively.
Preferably, the white corundum contains, by mass, not less than 99% of aluminum oxide, not less than 0.3% of ferric oxide, and has a volume density not less than 3.56g/cm3, and particle sizes of 5-3mm, 3-1mm, 1-0mm and 200-325 meshes.
Preferably, the fused magnesia contains, by mass, not less than 97% of magnesium oxide, not less than 1.0% of calcium oxide, not less than 1.2% of silica, and has particle sizes of 1-0mm and-200 meshes, respectively.
Preferably, the electrically fused magnesia-alumina spinel contains 70% or more of alumina and 25% or more of magnesium oxide by mass, and the particle size of the electrically fused magnesia-alumina spinel is 1-0 mm.
Preferably, the pure calcium aluminate cement contains ≧ 70% of aluminum oxide by mass, and has a particle size of 325 mesh.
Preferably, the alpha-alumina fine powder contains ≧ 99% by mass of alumina, and has particle sizes of 3 microns and 1 micron.
Preferably, the method comprises the following steps:
s1, the weight ratio is: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns and 3-8% of alpha-alumina micro powder with the granularity of 1 micron;
s2, taking recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm as the aggregate of the ladle bottom castable, and taking other raw materials as powder;
s3, firstly adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer, secondly adding all powder materials, firstly stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder materials, then adding a proper amount of water to ensure that the aggregate and the powder materials have good fluidity, and then casting the mixture on a vibration table to form a sample with the granularity of 40mm multiplied by 160 mm;
and S4, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom castable.
Compared with the prior art, the invention has the beneficial effects that:
1. compared with the cost of using white corundum in the prior art, the method has the advantages that the recycled alumina ceramic is used for partially replacing the white corundum, so that the production cost can be greatly reduced, and the enterprise cost is saved.
2. Compared with the erosion resistance and permeability of the prior technical scheme, the ladle bottom castable prepared by the invention can obviously improve the erosion permeability and reduce the thickness of the metamorphic layer of the ladle bottom working layer, thereby prolonging the service life.
3. According to the invention, the recycled alumina ceramic is introduced into the ladle bottom castable to replace part of white corundum, so that the prepared ladle bottom castable has the same service life as high-grade ladle bottom castable, the production cost is reduced, the corrosion and permeability of the ladle bottom castable against ladle slag can be improved, the thickness of the metamorphic layer of the ladle bottom working layer is reduced, part of waste alumina ceramic can be recycled, and the consumption of non-renewable materials of bauxite ore is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides a technical scheme that:
a ladle bottom castable with long service life and low cost and a preparation method thereof comprise recycled alumina ceramics, white corundum, fused magnesia spinel, pure calcium aluminate cement, alpha-alumina micropowder, sodium tripolyphosphate, metal aluminum powder and organic fiber, wherein the recycled alumina ceramics, the white corundum, the fused magnesia spinel, the pure calcium aluminate cement, the alpha-alumina micropowder, sodium tripolyphosphate, the metal aluminum powder and the organic fiber are mixed according to the weight proportion, 10-30 parts of the recycled alumina ceramics, 30-60 parts of the white corundum, 3-10 parts of the fused magnesia, 2-12 parts of the fused magnesia spinel, 3-8 parts of the pure calcium aluminate cement, 4-10 parts of the alpha-alumina micropowder, 0.08-0.015 part of the sodium tripolyphosphate and 0.01-0.04 part of the metal aluminum powder, 0.1-0.6 part of organic fiber.
Detailed description of the preferred embodiments
Example 1:
step 1, the weight ratio is as follows: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns and 3-8% of alpha-alumina micro powder with the granularity of 1 micron;
step 2, adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer;
step 3, adding all the powder, stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder, and adding a proper amount of water to ensure that the aggregate and the powder have good fluidity;
and 4, pouring a sample of 40mm multiplied by 160mm on a vibration table, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom castable.
In the embodiment, the components are, by mass, 25 parts of recycled alumina ceramic, 56 parts of white corundum, 6 parts of fused magnesia, 5 parts of pure calcium aluminate cement, 8 parts of alpha-alumina micropowder, 0.1 part of sodium tripolyphosphate, 0.02 part of metal aluminum powder and 0.3 part of organic fiber, wherein the sodium tripolyphosphate, the metal aluminum powder and the organic fiber are added.
Example 2
Step 1, the weight ratio is as follows: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns and 3-8% of alpha-alumina micro powder with the granularity of 1 micron;
step 2, adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer;
step 3, adding all the powder, stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder, and adding a proper amount of water to ensure that the aggregate and the powder have good fluidity;
and 4, pouring a sample of 40mm multiplied by 160mm on a vibration table, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom castable.
In the embodiment, the components are, by mass, 30 parts of recycled alumina ceramic, 51 parts of white corundum, 6 parts of fused magnesia, 5 parts of pure calcium aluminate cement, 8 parts of alpha-alumina micropowder, 0.1 part of sodium tripolyphosphate, 0.02 part of metal aluminum powder and 0.3 part of organic fiber, wherein the sodium tripolyphosphate, the metal aluminum powder and the organic fiber are added.
Example 3
Step 1, the weight ratio is as follows: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns and 3-8% of alpha-alumina micro powder with the granularity of 1 micron;
step 2, adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer;
step 3, adding all the powder, stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder, and adding a proper amount of water to ensure that the aggregate and the powder have good fluidity;
and 4, pouring a sample of 40mm multiplied by 160mm on a vibration table, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom castable.
In the embodiment, the components are, by mass, 35 parts of recycled alumina ceramic, 46 parts of white corundum, 6 parts of fused magnesia, 5 parts of pure calcium aluminate cement, 8 parts of alpha-alumina micropowder, 0.1 part of sodium tripolyphosphate, 0.02 part of metal aluminum powder and 0.3 part of organic fiber, wherein the sodium tripolyphosphate, the metal aluminum powder and the organic fiber are added.
Example 4
Step 1, firstly, the weight ratio is as follows: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns, 3-8% of alpha-alumina micro powder with the granularity of 1 micron,
step 2, adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer;
step 3, adding all the powder, stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder, adding a proper amount of water to ensure that the aggregate and the powder have good fluidity,
and 4, casting the mixture on a vibration table to obtain a sample of 40mm multiplied by 160mm, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom casting material.
In the embodiment, the components are, by mass, 40 parts of recycled alumina ceramic, 41 parts of white corundum, 6 parts of fused magnesia, 5 parts of pure calcium aluminate cement, 8 parts of alpha-alumina micropowder, 0.1 part of sodium tripolyphosphate, 0.02 part of metal aluminum powder and 0.3 part of organic fiber, wherein the sodium tripolyphosphate, the metal aluminum powder and the organic fiber are added.
The test data of examples 1, 2, 3 and 4 are shown in the following table.
The recycled alumina ceramic is introduced into the ladle bottom castable to replace part of white corundum, so that the prepared ladle bottom castable has the same service life as high-grade ladle bottom castable, the production cost is reduced, the corrosion and permeability of the ladle bottom castable against ladle slag can be improved, the metamorphic layer thickness of a ladle bottom working layer is reduced, part of waste alumina ceramic can be recycled, and the consumption of non-renewable materials of bauxite ore is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A ladle bottom castable with long service life and low cost and a preparation method thereof comprise recycled alumina ceramics, white corundum, fused magnesia spinel, pure calcium aluminate cement, alpha-alumina micro powder, sodium tripolyphosphate, metal aluminum powder and organic fiber, and is characterized in that the recycled alumina ceramics, the white corundum, the fused magnesia spinel, the pure calcium aluminate cement, the alpha-alumina micro powder, the sodium tripolyphosphate, the metal aluminum powder and the organic fiber are mixed according to the weight proportion, the recycled alumina ceramics is 10-30 parts, the white corundum is 30-60 parts, the fused magnesia is 3-10 parts, the fused magnesia is 2-12 parts, the pure calcium aluminate cement is 3-8 parts, the alpha-alumina micro powder is 4-10 parts, the sodium tripolyphosphate is 0.08-0.015 part, 0.01-0.04 part of metal aluminum powder and 0.1-0.6 part of organic fiber.
2. The ladle bottom castable with long service life and low cost and the preparation method thereof according to claim 1 are characterized in that the recycled alumina ceramic contains > 99% of alumina by weight, has a volume density of > 3.15g/cm3, and has particle sizes of 15-8mm, 8-5mm and 5-3mm respectively.
3. The high-life low-cost ladle bottom castable and the preparation method thereof according to claim 1, wherein the white corundum contains aluminum oxide not less than 99% and ferric oxide not less than 0.3% by mass, the volume density not less than 3.56g/cm3, and the particle sizes are 5-3mm, 3-1mm, 1-0mm and 200-325 meshes respectively.
4. The high-life low-cost ladle bottom castable and the preparation method thereof according to claim 1, wherein the fused magnesia contains, by mass, not less than 97% of magnesium oxide, not less than 1.0% of calcium oxide, not less than 1.2% of silicon dioxide, and the particle sizes thereof are respectively 1-0mm and 200 meshes.
5. The ladle bottom castable with long service life and low cost and the preparation method thereof according to claim 1 are characterized in that the electro-fused aluminum-magnesium spinel contains 70% or more of aluminum oxide and 25% or more of magnesium oxide by mass, and the particle size of the electro-fused aluminum-magnesium spinel is 1-0 mm.
6. The ladle bottom castable with long service life and low cost and the preparation method thereof according to claim 1 are characterized in that the pure calcium aluminate cement contains not less than 70% of aluminum oxide by mass and has a particle size of-325 meshes.
7. The ladle bottom castable with long service life and low cost and the preparation method thereof according to claim 1 are characterized in that the alpha-alumina micro powder contains not less than 99% of alumina by mass, and the particle size of the alpha-alumina micro powder is 3 microns and 1 micron.
8. The preparation method of the ladle bottom castable with long service life and low cost according to claim 1 is characterized by comprising the following steps:
s1, the weight ratio is: 10-20% of recycled alumina ceramic with the granularity of 15-8mm, 10-15% of recycled alumina ceramic with the granularity of 8-5mm, 3-9% of recycled alumina ceramic with the granularity of 5-3mm, 5-11% of white corundum with the granularity of 5-3mm, 10-20% of white corundum with the granularity of 3-1mm, 1-13% of white corundum with the granularity of 1-0mm, 5-13% of white corundum with the granularity of-200 meshes, 1-5% of white corundum with the granularity of-325 meshes, 1-7% of fused magnesia with the granularity of 1-0mm, 1-7% of fused magnesia with the granularity of-200 meshes, 1-10% of fused alumina magnesia spinel with the granularity of 1-0mm and 1-10% of pure calcium aluminate cement with the granularity of-325 meshes, 2-8% of alpha-alumina micro powder with the granularity of 3 microns and 3-8% of alpha-alumina micro powder with the granularity of 1 micron;
s2, taking recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm as the aggregate of the ladle bottom castable, and taking other raw materials as powder;
s3, firstly adding recycled alumina ceramics with the granularity of 15-8mm, 8-5mm and 5-3mm and white corundum with the granularity of 5-3mm and 3-1mm into a stirrer, secondly adding all powder materials, firstly stirring for 3-5 minutes to fully and uniformly stir the aggregate and the powder materials, then adding a proper amount of water to ensure that the aggregate and the powder materials have good fluidity, and then casting the mixture on a vibration table to form a sample with the granularity of 40mm multiplied by 160 mm;
and S4, naturally drying the prepared sample for 24 hours at room temperature, demolding, and then preserving heat for 24 hours at the temperature of 110 ℃ to obtain the ladle bottom castable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948510.4A CN110698210A (en) | 2019-10-08 | 2019-10-08 | Ladle bottom castable with long service life and low cost and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948510.4A CN110698210A (en) | 2019-10-08 | 2019-10-08 | Ladle bottom castable with long service life and low cost and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110698210A true CN110698210A (en) | 2020-01-17 |
Family
ID=69196864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948510.4A Pending CN110698210A (en) | 2019-10-08 | 2019-10-08 | Ladle bottom castable with long service life and low cost and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110698210A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159214A (en) * | 2020-09-07 | 2021-01-01 | 浙江自立高温科技股份有限公司 | Castable for refining ladle working layer |
| CN112409001A (en) * | 2020-11-24 | 2021-02-26 | 瑞泰马钢新材料科技有限公司 | Aluminum-magnesium repairing material for steel ladle and preparation method thereof |
| CN112592163A (en) * | 2021-03-02 | 2021-04-02 | 北京利尔高温材料股份有限公司 | Ladle upper nozzle castable, prefabricated part and preparation method thereof |
| CN112794702A (en) * | 2020-12-30 | 2021-05-14 | 上海利尔耐火材料有限公司 | Steel ladle wall castable containing white corundum dust removal powder and preparation method thereof |
| CN112974785A (en) * | 2021-02-08 | 2021-06-18 | 北京首钢股份有限公司 | Steel ladle and steel ladle building method |
| CN114292118A (en) * | 2022-02-23 | 2022-04-08 | 上海利尔耐火材料有限公司 | Long-life castable for waste incinerator and preparation method thereof |
| CN116375456A (en) * | 2023-03-10 | 2023-07-04 | 北京瑞普同创科技发展有限公司 | Pouring material for tundish cover |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2218795A1 (en) * | 1996-10-29 | 1998-04-29 | North American Refractories Co. | Hydraulically-bonded monolithic refractories containing a calcium oxide-free binder comprised of a hydratable alumina source and magnesium oxide |
| CN102295460A (en) * | 2010-06-28 | 2011-12-28 | 淄博海泰高温材料科技有限公司 | Making method of high-strength alumina magnesia spinel pouring material for ladles |
| CN103159491A (en) * | 2013-04-11 | 2013-06-19 | 金刚新材料股份有限公司 | Preparation method of wear-resistant high-temperature-resistant casting material |
| CN105036773A (en) * | 2015-08-03 | 2015-11-11 | 丹东播磨耐火材料有限公司 | Steel ladle bottom concreting material |
| CN107188550A (en) * | 2017-07-18 | 2017-09-22 | 海城市中兴镁质合成材料有限公司 | A kind of refining ladle bag bottom magnesia spinel matter castable and its production method |
-
2019
- 2019-10-08 CN CN201910948510.4A patent/CN110698210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2218795A1 (en) * | 1996-10-29 | 1998-04-29 | North American Refractories Co. | Hydraulically-bonded monolithic refractories containing a calcium oxide-free binder comprised of a hydratable alumina source and magnesium oxide |
| CN102295460A (en) * | 2010-06-28 | 2011-12-28 | 淄博海泰高温材料科技有限公司 | Making method of high-strength alumina magnesia spinel pouring material for ladles |
| CN103159491A (en) * | 2013-04-11 | 2013-06-19 | 金刚新材料股份有限公司 | Preparation method of wear-resistant high-temperature-resistant casting material |
| CN105036773A (en) * | 2015-08-03 | 2015-11-11 | 丹东播磨耐火材料有限公司 | Steel ladle bottom concreting material |
| CN107188550A (en) * | 2017-07-18 | 2017-09-22 | 海城市中兴镁质合成材料有限公司 | A kind of refining ladle bag bottom magnesia spinel matter castable and its production method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159214A (en) * | 2020-09-07 | 2021-01-01 | 浙江自立高温科技股份有限公司 | Castable for refining ladle working layer |
| CN112409001A (en) * | 2020-11-24 | 2021-02-26 | 瑞泰马钢新材料科技有限公司 | Aluminum-magnesium repairing material for steel ladle and preparation method thereof |
| CN112794702A (en) * | 2020-12-30 | 2021-05-14 | 上海利尔耐火材料有限公司 | Steel ladle wall castable containing white corundum dust removal powder and preparation method thereof |
| CN112974785A (en) * | 2021-02-08 | 2021-06-18 | 北京首钢股份有限公司 | Steel ladle and steel ladle building method |
| CN112592163A (en) * | 2021-03-02 | 2021-04-02 | 北京利尔高温材料股份有限公司 | Ladle upper nozzle castable, prefabricated part and preparation method thereof |
| CN114292118A (en) * | 2022-02-23 | 2022-04-08 | 上海利尔耐火材料有限公司 | Long-life castable for waste incinerator and preparation method thereof |
| CN114292118B (en) * | 2022-02-23 | 2024-04-16 | 上海利尔耐火材料有限公司 | Long-service-life castable for garbage incinerator and preparation method thereof |
| CN116375456A (en) * | 2023-03-10 | 2023-07-04 | 北京瑞普同创科技发展有限公司 | Pouring material for tundish cover |
| CN116375456B (en) * | 2023-03-10 | 2024-03-29 | 北京瑞普同创科技发展有限公司 | Pouring material for tundish cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110698210A (en) | Ladle bottom castable with long service life and low cost and preparation method thereof | |
| CN107805059B (en) | Ladle base brick and preparation method thereof | |
| CN103265297B (en) | Refining steel ladle carbon-free periclase spinel baking-free brick and preparation method thereof | |
| CN109734462B (en) | Aluminum dihydrogen phosphate combined steel fiber reinforced refractory castable and preparation method thereof | |
| CN112794702A (en) | Steel ladle wall castable containing white corundum dust removal powder and preparation method thereof | |
| CN101367662A (en) | Flame-proof pouring material formulated with ferrovanadium slag | |
| CN103693977A (en) | Regenerated pouring material used for swinging runner and prepared from waste slide plates and preparation method of regenerated pouring material | |
| CN111004041B (en) | Ladle bottom castable taking aluminum-chromium slag as main material and preparation method thereof | |
| CN105174974B (en) | Alumina fused cast refractory and method for producing same | |
| CN115340370B (en) | High-alumina self-flowing castable based on used refractory material and preparation method thereof | |
| CN109534831A (en) | Half cylinder of steel permanent layer castable | |
| CN114292118A (en) | Long-life castable for waste incinerator and preparation method thereof | |
| CN106631068A (en) | Bauxite-based homogenous corundum environment-friendly steel ladle base brick and preparation method | |
| CN106977216B (en) | Anti-erosion liner and preparation method thereof for aluminium melting furnace | |
| CN113943167B (en) | RH dip pipe castable and preparation method thereof | |
| CN114230320B (en) | Method for preparing precast brick from corundum magnesium aluminate spinel castable | |
| CN112500175B (en) | Light high-strength steel ladle permanent layer castable and preparation method thereof | |
| CN112341167B (en) | Aluminum-magnesium precast block for refined steel ladle and preparation method thereof | |
| CN113321495A (en) | Cement-free high-performance pumping furnace hearth material | |
| CN110451933A (en) | A kind of tundish prefabricated component and preparation method thereof | |
| JP2001302364A (en) | Alumina-magnesia-based castable refractory containing zirconium oxide and molten metal vessel for metal refining | |
| CN114836062A (en) | Magnesium phosphate-free coating for tundish | |
| CN1300649A (en) | Slag-stopping plate for tundish in conticasing | |
| CN114478031A (en) | Production process of unburned aluminum-magnesia-carbon brick for electric furnace steel ladle | |
| CN114736007A (en) | Low-heat-conductivity high-performance aluminum-magnesia-carbon molten pool brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |