CN106316418A - Castable for aluminum industry - Google Patents
Castable for aluminum industry Download PDFInfo
- Publication number
- CN106316418A CN106316418A CN201610618584.8A CN201610618584A CN106316418A CN 106316418 A CN106316418 A CN 106316418A CN 201610618584 A CN201610618584 A CN 201610618584A CN 106316418 A CN106316418 A CN 106316418A
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- China
- Prior art keywords
- parts
- mesh
- castable
- powder
- andalusite
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Classifications
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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
-
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- 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 aims at providing castable for aluminum industry. The castable is good in construction performance and high in strength and can remove impurities such as iron oxide in materials. The castable which can achieve the high CO erosion resistance, the good wear resistance and the good construction performance in a strong reducing atmosphere and always has the good performance at medium temperature, low temperature and high temperature is finally obtained.
Description
Technical field
The invention belongs to technical field of refractory materials, be specifically related to a kind of aluminum industry castable.
Background technology
There is the characteristic that high alumina, high silicon, grindability difference and indissoluble go out in China's duralumin stone type bauxite, oxidizing aluminum produced
Journey brings the biggest trouble, and for now, tube digestion mode is increasingly becoming a kind of development trend, and molten salt furnace is then
The firing equipment of most critical in tube digestion system.
At present, the burner hearth of alumina producer molten salt furnace is generally formed by High-Alumina castable refractory is integrated poured, and makes burner hearth
Liner body organizational structure becomes to loosen very much, even burst apart.In use, strongly the washing away of high-temperature flue gas and coal ash, burner hearth
The fluctuation of temperature, can make burner hearth liner body suffer serious erosion, cause large area to peel off.When the damage of burner hearth liner body is the most serious
Time, it is necessary to blowing out is repaired, and this not only wastes mass energy, also has a strong impact on being normally carried out of production.
CN105130464A discloses a kind of molten salt furnace castable and preparation method thereof, by gangue grog, corundum fine powder,
The explosion-proof fiber of hydrated alumina, silicon powder, low melting point, water reducer form.But this castable hardness is low, wear no resistance；With
Time, castable mobility is bad, solidifies too fast, and bond strength is relatively low in early days, had a strong impact on the middle low temperature of product both 900 DEG C with
Under performance, to molten salt furnace safety in production bring bigger hidden danger, additionally, there is also be difficult to construction, therefore still need to improve.
Summary of the invention
It is an object of the present invention to provide a kind of aluminum industry castable, workability is good, and intensity is higher, can be with scavenging material
The impurity such as the ferrum oxide contained, final acquisition is a kind of can have stronger Resistance to CO ability in strongly reducing atmosphere, has again
There are preferable anti-wear performance, good workability, also ensure that castable is respectively provided with good under middle low temperature and high temperature simultaneously
A kind of castable of performance.
For achieving the above object, the above-mentioned technical purpose of the present invention has the technical scheme that one
Aluminum industry castable, is made up of the component of following parts by weight:
Flint clay 50-60 part
Carborundum 7-10 part
Calcium hexaluminate 5-8 part
Yongji clay 1-3 part
Andalusite 3-4 part
Flint clay powder 8-12 part
Cutting powder 3-6 part
Zinc silicate zirconium powder 3-6 part
Andalusite micropowder 3-6 part
Automolite micropowder 1 part
Zinc oxide ultra_fine powders 3-5 part
CA60 cement 3-6 part
Outer doping 1 part
Additional mobility improves additive 0.1 part.
Further, a kind of aluminum industry castable, it is made up of the component of following parts by weight:
12-5mm flint clay 50-60 part
5-3mm carborundum 7-10 part
3-1mm calcium hexaluminate 5-8 part
1-0mm andalusite 3-4 part
200 mesh Yongji clay 1-3 parts
325 mesh flint clay powder 8-12 parts
325 mesh cutting powder 3-6 parts
Zinc silicate zirconium powder 3-6 part
800 mesh andalusite micropowder 3-6 parts
1000 mesh automolite micropowders 1 part
1000 mesh zinc oxide ultra_fine powders 3-5 parts
CA60 cement 3-6 part
Outer doping REFPAC®100 1 parts
Additional mobility improves additive Peramin®AL 200 0.1 parts.
Further, described cutting powder is the garbage produced during monocrystalline silicon production, described in be mainly composed of
SiC75%, elemental silicon 25%.
Further, the mesh number of described andalusite micropowder is 800 mesh, alumina content 60%, iron oxide content ＜
0.2%。
Further, described automolite micropowder or the mesh number being called franklinite micropowder are 1000 mesh.
Further, the mesh number of described zinc oxide ultra_fine powders is 1000 mesh.
Further, described additive REFPAC®100, density is at 1.0-1.2 gram every cubic centimetre.
Further, described mobility improves additive Peramin®AL 200, density is at 1.45-1.55 gram every cube
Centimetre.
Preferential, the weight portion of described castable consists of:
12-5mm flint clay 50-60 part,
5-3mm carborundum 7-10 part,
3-1mm calcium hexaluminate 5-8 part,
1-0mm andalusite 3-4 part
200 mesh Yongji clay 1-3 parts
325 mesh flint clay powder 8-12 parts
325 mesh cutting powder 3-6 parts
Zinc silicate zirconium powder 3-6 part
800 mesh andalusite micropowder 3-6 parts
1000 mesh automolite micropowders 1 part
1000 mesh zinc oxide ultra_fine powders 3-5 parts
CA60 cement 3-6 part
Outer doping REFPAC®100 1 parts
Additional mobility improves additive Peramin®AL 200 0.1 parts.
Preferential, the weight portion of described castable consists of 12-5mm flint clay 50 parts, 5-3mm carborundum 10 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 4 parts, 200 mesh Yongji clays 1 part, 325 10 parts of mesh flint clay powder, 325
Mesh 5 parts of powder of cutting, zinc silicate zirconium powder 5 parts, 800 mesh andalusite micropowders 3 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh
Zinc oxide ultra_fine powders 3 parts, CA60 cement 3 parts, outer doping REFPAC®100 1 parts, additional mobility improves additive
Peramin®AL 200 0.1 parts.
Preferential, the weight portion of described castable consists of 12-5mm flint clay 50 parts, 5-3mm carborundum 7 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 3 parts, 200 mesh Yongji clays 1 part, 325 8 parts of mesh flint clay powder, 325 mesh
6 parts of powder of cutting, zinc silicate zirconium powder 5 parts, 800 mesh andalusite micropowders 3 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh oxygen
Change zinc powder 5 parts, CA60 cement 6 parts, outer doping REFPAC®100 1 parts, additional mobility improves additive Peramin®
AL 200 0.1 parts.
Preferential, the weight portion of described castable consists of 12-5mm flint clay 55 parts, 5-3mm carborundum 8 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 3 parts, 200 mesh Yongji clays 2 parts, 325 9 parts of mesh flint clay powder, 325 mesh
3 parts of powder of cutting, zinc silicate zirconium powder 3 parts, 800 mesh andalusite micropowders 4 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh oxygen
Change zinc powder 3 parts, CA60 cement 4 parts, outer doping REFPAC®100 1 parts, additional mobility improves additive Peramin®
AL 200 0.1 parts.
Compared with prior art, what the present invention brought has the beneficial effect that the andalusite of addition, calcium hexaluminate, zinc zirconium silicate
Deng all having good opposing reducing atmosphere and erosion-resistant performance；Use ultra-fine andalusite micropowder, so that red post
Stone reacts in relatively low temperature, can absorb thermal stress, and generation mullite offsets material under applied at elevated temperature mutually
The contraction of material, stablizes the performance of castable；By introducing automolite micropowder as crystal seed, promotion zinc oxide ultra_fine powders and material
In iron tramp generation chemical reaction, generate franklinite of good performance, it is to avoid in system, the existence of iron tramp is to watering
The infringement of material feeding performance；The cutting powder used, because having SiC and elemental silicon, improves thermal shock resistance and the non-oxidizability of material
Can, also save material cost；Use that cement, Yongji clay are compound makees bonding agent, it is to avoid castable low temperature and middle elevated temperature strength
The defect relatively low etc. performance so that castable all has higher intensity again at whole temperature stage from low temperature to middle temperature to high temperature
With excellent combination property, change original only preferable defect of high-temperature behavior；The additive added can control aluminic acid
Salt cement rate of dissolution and firm time, make workability persistently reliable, adapts to the fluctuation of current many raw material qualities；Flowing
Property improve additive and can accelerate castable moistening, improve the stirring efficiency of castable, construction of no matter vibrating or flow automatically, can
Fast and effeciently get rid of bubble to guarantee concordance and the degree of compaction of castable.By using the technical program, can be to fire-resistant
The performances such as the ferrous contaminants of material is carried out " purification ", optimizes material overall performance, improves the wearability of product, corrosion resistance,
Making the bulk life time of the castable of the present invention is more than 3 times of currently used product, substantially increases the bulk life time of furnace lining.
Detailed description of the invention
Embodiment 1,12-5mm flint clay 50 parts, 5-3mm carborundum 10 parts, 3-1mm calcium hexaluminate 5 parts, the red post of 1-0mm
4 parts of stone, 200 mesh Yongji clays 1 part, 325 10 parts of mesh flint clay powder, 325 mesh 5 parts of powder of cutting, zinc silicate zirconium powder 5 parts, 800
Mesh andalusite micropowder 3 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh zinc oxide ultra_fine powderses 3 parts, CA60 cement 3 parts, additional
Additive REFPAC®100 1 parts, additional mobility improves additive Peramin®AL 200 0.1 parts.
Embodiment 2,12-5mm flint clay 50 parts, 5-3mm carborundum 7 parts, 3-1mm calcium hexaluminate 5 parts, the red post of 1-0mm
3 parts of stone, 200 mesh Yongji clays 1 part, 325 8 parts of mesh flint clay powder, 325 mesh 6 parts of powder of cutting, zinc silicate zirconium powder 5 parts, 800 mesh
Andalusite micropowder 3 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh zinc oxide ultra_fine powderses 5 parts, CA60 cement 6 parts, attach outward
Add agent REFPAC®100 1 parts, additional mobility improves additive Peramin®AL 200 0.1 parts.
Embodiment 3,12-5mm flint clay 55 parts, 5-3mm carborundum 8 parts, 3-1mm calcium hexaluminate 5 parts, the red post of 1-0mm
3 parts of stone, 200 mesh Yongji clays 2 parts, 325 9 parts of mesh flint clay powder, 325 mesh 3 parts of powder of cutting, zinc silicate zirconium powder 3 parts, 800 mesh
Andalusite micropowder 4 parts, 1000 mesh automolite micropowders 1 part, 1000 mesh zinc oxide ultra_fine powderses 3 parts, CA60 cement 4 parts, attach outward
Add agent REFPAC®100 1 parts, additional mobility improves additive Peramin®AL 200 0.1 parts.
Being tested with regard to the performance of castable disclosed in the present invention and CN105130464A, test result is as follows
The present invention is tested on an equal amount of stove, test result indicate that, the stove resistance to reduction energy of the present invention,
Wearability, anti-destructive is the most superior, and the liner life-span of stove can reach more than 3 times of comparative example stove liner life-span
Claims (4)
1. an aluminum industry castable, is made up of the component of following parts by weight:
Flint clay 50-60 part
Carborundum 7-10 part
Calcium hexaluminate 5-8 part
Yongji clay 1-3 part
Andalusite 3-4 part
Flint clay powder 8-12 part
Cutting powder 3-6 part
Zinc silicate zirconium powder 3-6 part
Andalusite micropowder 3-6 part
Automolite micropowder 1 part
Zinc oxide ultra_fine powders 3-5 part
CA60 cement 3-6 part
Outer doping 1 part
Additional mobility improves additive 0.1 part.
Aluminum industry castable the most according to claim 1, it is characterised in that:
12-5mm flint clay 50-60 part
5-3mm carborundum 7-10 part
3-1mm calcium hexaluminate 5-8 part
1-0mm andalusite 3-4 part
200 mesh Yongji clay 1-3 parts
325 mesh flint clay powder 8-12 parts
325 mesh cutting powder 3-6 parts
Zinc silicate zirconium powder 3-6 part
800 mesh andalusite micropowder 3-6 parts
1000 mesh automolite micropowders 1 part
1000 mesh zinc oxide ultra_fine powders 3-5 parts
CA60 cement 3-6 part
Outer doping REFPAC®100,1 parts
Additional mobility improves additive Peramin®AL 200,0.1 part.
Aluminum industry castable the most according to claim 1, it is characterised in that: described cutting powder is monocrystalline silicon production process
The garbage of middle generation, described in be mainly composed of SiC75%, elemental silicon 25%.
Aluminum industry castable the most according to claim 1, it is characterised in that: it is characterized in that: described zinc oxide is micro-
The mesh number of powder is 1000 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618584.8A CN106316418A (en) | 2016-08-01 | 2016-08-01 | Castable for aluminum industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618584.8A CN106316418A (en) | 2016-08-01 | 2016-08-01 | Castable for aluminum industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106316418A true CN106316418A (en) | 2017-01-11 |
Family
ID=57739617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618584.8A Pending CN106316418A (en) | 2016-08-01 | 2016-08-01 | Castable for aluminum industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106316418A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674861A (en) * | 2012-05-24 | 2012-09-19 | 洛阳理工学院 | Refractory castable containing viscoplasticity phase and preparation method thereof |
| CN103058686A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Medium-density alkali-resistant casting material |
| CN104003745A (en) * | 2014-06-14 | 2014-08-27 | 张婷 | Wear-resisting anti-corrosion anti-crusting castables for cement kiln |
| CN105060903A (en) * | 2015-07-27 | 2015-11-18 | 鞍钢实业集团有限公司原燃料生产服务分公司 | Refractory castable with high thermal shock resistance |
| CN105461321A (en) * | 2014-08-21 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Hot metal mixer castable and preparation method thereof |
-
2016
- 2016-08-01 CN CN201610618584.8A patent/CN106316418A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674861A (en) * | 2012-05-24 | 2012-09-19 | 洛阳理工学院 | Refractory castable containing viscoplasticity phase and preparation method thereof |
| CN103058686A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Medium-density alkali-resistant casting material |
| CN104003745A (en) * | 2014-06-14 | 2014-08-27 | 张婷 | Wear-resisting anti-corrosion anti-crusting castables for cement kiln |
| CN105461321A (en) * | 2014-08-21 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Hot metal mixer castable and preparation method thereof |
| CN105060903A (en) * | 2015-07-27 | 2015-11-18 | 鞍钢实业集团有限公司原燃料生产服务分公司 | Refractory castable with high thermal shock resistance |
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Application publication date: 20170111 |
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