CN106083109A - A kind of spinel pouring material - Google Patents
A kind of spinel pouring material Download PDFInfo
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- CN106083109A CN106083109A CN201610618613.0A CN201610618613A CN106083109A CN 106083109 A CN106083109 A CN 106083109A CN 201610618613 A CN201610618613 A CN 201610618613A CN 106083109 A CN106083109 A CN 106083109A
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- andalusite
- micropowder
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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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
It is an object of the present invention to provide a kind of spinel pouring material, workability is good, intensity is higher, the impurity such as the ferrum oxide that can contain with scavenging material, final acquisition is a kind of can have stronger Resistance to CO ability in strongly reducing atmosphere, has again preferable anti-wear performance, good workability, also ensureing under middle low temperature and high temperature, castable all has a kind of castable of good performance simultaneously.
Description
Technical field
The invention belongs to technical field of refractory materials, be specifically related to a kind of spinel pouring material.
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 spinel pouring material, workability is good, and intensity is higher, can contain with scavenging material
The impurity such as some ferrum oxides, final acquisition is a kind of can have stronger Resistance to CO ability in strongly reducing atmosphere, has again
Preferably anti-wear performance, good workability, also ensure that, under middle low temperature and high temperature, castable all has good performance simultaneously
A kind of castable.
For achieving the above object, the above-mentioned technical purpose of the present invention has the technical scheme that one
Spinel pouring material, is made up of the component of following parts by weight:
Pink fused alumina 50-60 part
Aluminate 7-10 part
Calcium hexaluminate 5-8 part
Yongji clay 1-3 part
Andalusite 3-4 part
Zirconic acid calcium 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
Additional nano-cellulose 0.1 part.
Further, a kind of spinel pouring material, it is made up of the component of following parts by weight:
12-5mm pink fused alumina 50-60 part
5-3mm aluminate 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 zirconic acid calcium 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
Additional nano-cellulose 0.1 part.
Further, described cutting powder is the garbage produced during monocrystalline silicon production, described in be mainly composed of
SiC75%, elemental silicon 25%；Described aluminate, its alumina content >=78%.
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 pink fused alumina 50-60 part,
5-3mm aluminate 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 zirconic acid calcium 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
Additional nano-cellulose 0.1 part.
Preferential, the weight portion of described castable consists of 12-5mm pink fused alumina 50 parts, 5-3mm aluminate 10 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 4 parts, 200 mesh Yongji clays 1 part, 325 mesh zirconic acid calcium powders 10 parts, 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, additional nano-cellulose 0.1 part.
Preferential, the weight portion of described castable consists of 12-5mm pink fused alumina 50 parts, 5-3mm aluminate 7 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 3 parts, 200 mesh Yongji clays 1 part, 325 mesh zirconic acid calcium powders 8 parts, 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, additional nano-cellulose 0.1 part.
Preferential, the weight portion of described castable consists of 12-5mm pink fused alumina 55 parts, 5-3mm aluminate 8 parts,
3-1mm calcium hexaluminate 5 parts, 1-0mm andalusite 3 parts, 200 mesh Yongji clays 2 parts, 325 mesh zirconic acid calcium powders 9 parts, 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, additional nano-cellulose 0.1 part.
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 pink fused alumina 50 parts, 5-3mm aluminate 10 parts, 3-1mm calcium hexaluminate 5 parts, 1-0mm is red
4 parts of pillar, 200 mesh Yongji clays 1 part, 325 mesh zirconic acid calcium powders 10 parts, 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, additional nano-cellulose
0.1 part.
Embodiment 2,12-5mm pink fused alumina 50 parts, 5-3mm aluminate 7 parts, 3-1mm calcium hexaluminate 5 parts, 1-0mm is red
3 parts of pillar, 200 mesh Yongji clays 1 part, 325 mesh zirconic acid calcium powders 8 parts, 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, additional
Additive REFPAC®100 1 parts, additional mobility improves additive Peramin®AL 200 0.1 parts, additional nano-cellulose
0.1 part.
Embodiment 3,12-5mm pink fused alumina 55 parts, 5-3mm aluminate 8 parts, 3-1mm calcium hexaluminate 5 parts, 1-0mm is red
3 parts of pillar, 200 mesh Yongji clays 2 parts, 325 mesh zirconic acid calcium powders 9 parts, 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, additional
Additive REFPAC®100 1 parts, additional mobility improves additive Peramin®AL 200 0.1 parts, additional nano-cellulose
0.1 part.
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. a spinel pouring material, is made up of the component of following parts by weight:
Aluminate 7-10 part
Zirconic acid calcium powder 8-12 part
Pink fused alumina 50-60 part
Calcium hexaluminate 5-8 part
Yongji clay 1-3 part
Andalusite 3-4 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
Additional nano-cellulose 0.1 part.
A kind of spinel pouring material the most according to claim 1, it is characterised in that:
5-3mm aluminate 7-10 part
325 mesh zirconic acid calcium powder 8-12 parts
12-5mm pink fused alumina 50-60 part
3-1mm calcium hexaluminate 5-8 part
1-0mm andalusite 3-4 part
200 mesh Yongji clay 1-3 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
Additional nano-cellulose 0.1 part.
A kind of spinel pouring material the most according to claim 1, it is characterised in that: described cutting powder is monocrystalline silicon production mistake
In journey produce garbage, described in be mainly composed of SiC75%, elemental silicon 25%.
A kind of spinel pouring material the most according to claim 1, it is characterised in that: it is characterized in that: described zinc oxide
The mesh number of micropowder is 1000 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618613.0A CN106083109A (en) | 2016-08-01 | 2016-08-01 | A kind of spinel pouring material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618613.0A CN106083109A (en) | 2016-08-01 | 2016-08-01 | A kind of spinel pouring material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106083109A true CN106083109A (en) | 2016-11-09 |
Family
ID=57479734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618613.0A Pending CN106083109A (en) | 2016-08-01 | 2016-08-01 | A kind of spinel pouring material |
Country Status (1)
| Country | Link |
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| CN (1) | CN106083109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098709A (en) * | 2017-04-19 | 2017-08-29 | 浙江华尔耐科技股份有限公司 | A kind of sludge solid waste regeneration treatment haydite kiln castable |
Citations (1)
| 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 |
-
2016
- 2016-08-01 CN CN201610618613.0A patent/CN106083109A/en active Pending
Patent Citations (1)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098709A (en) * | 2017-04-19 | 2017-08-29 | 浙江华尔耐科技股份有限公司 | A kind of sludge solid waste regeneration treatment haydite kiln castable |
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Application publication date: 20161109 |
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