CN109369203A - Density mullite brick and preparation method thereof in high intensity - Google Patents
Density mullite brick and preparation method thereof in high intensity Download PDFInfo
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- CN109369203A CN109369203A CN201811592565.8A CN201811592565A CN109369203A CN 109369203 A CN109369203 A CN 109369203A CN 201811592565 A CN201811592565 A CN 201811592565A CN 109369203 A CN109369203 A CN 109369203A
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- mullite
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- 239000011449 brick Substances 0.000 title claims abstract description 52
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052863 mullite Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 7
- 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 17
- 239000000843 powder Substances 0.000 claims abstract description 13
- 235000013312 flour Nutrition 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 6
- 235000012216 bentonite Nutrition 0.000 claims abstract description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920005610 lignin Polymers 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 239000004927 clay Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 238000003303 reheating Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000011819 refractory material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 description 1
- 229910052849 andalusite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052850 kyanite Inorganic materials 0.000 description 1
- 239000010443 kyanite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052851 sillimanite Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 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
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
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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
- 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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- 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
- C04B2235/9615—Linear firing shrinkage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses density mullite bricks in a kind of high intensity, it is by 20 ~ 40 parts of raw material light-weight mullite, 3 ~ 0mm gives up 10 ~ 20 parts of poly light mullite brick, 200 10 ~ 20 parts of mesh calcined kaolin powder, 600 1 ~ 5 part of mesh a alumina powders, three 5 ~ 15 parts of mountain flours, 200 1 ~ 5 part of mesh sodium bentonites, 5 ~ 10 parts of bonding clay, 3 ~ 5 parts of lignin liquor；Wherein, 10 ~ 20 parts of 4 ~ 2mm light-weight mullite aggregate；2 ~ 1mm light-weight mullite aggregate, 10 ~ 20 parts of mixed sinterings form.The finished bricks volume density that the present invention prepares is between light mullite brick and heavy mullite brick, with relatively high compressive resistance and lower thermal coefficient, 5 times higher than conventional lightweight high-alumina brick of finished product brick body compressive resistance (in national standard GB/T3395-2014, the compressive resistance standard highest of light weeight alumina brick DLG170-1.3L, standard value is 5Mpa), bulk density improves only 0.3 ~ 0.5 g/cm3, while high-temperature behavior is more preferable, can meet the performance requirement that part Industrial Stoves cannot be excessively high to refractory product intensity relative requirement height but thermal coefficient completely.
Description
Technical field
The present invention relates to refractory materials, and more particularly, to density mullite brick in a kind of high intensity, the invention further relates to this
The preparation method of brick body.
Background technique
Under normal circumstances, the relationship between the high-temperature behavior, bulk density, intensity and thermal conductivity of various refractory materials is in just
Than the bulk density of i.e. refractory material is higher, and intensity is higher, and thermal coefficient is higher.On most Industrial Stoves, it is intended to resistance to
Fiery material has lower thermal coefficient with good properties at high temperature and while higher-strength, to improve heat energy utilization effect
Rate.
It being restricted by the high-temperature behavior and intensity of light heat-insulating material, lightweight refracrory cannot be used directly as kiln lining,
The utilization efficiency of heat energy of kiln can only be caused to be greatly lowered using the good refractory material of high-temperature behavior as kiln lining.
In the reasonable scope for the high-temperature behavior for making refractory material and thermal coefficient control, various high temperature kilns are adopted mostly
Use alumina bubble brick as kiln lining.But the mechanism of heat insulation and production method by alumina bubble brick are limited, aluminium oxide
The structure of hollow sphere brick is more loose, and bond strength is poor, and cold crushing strength is lower, but production cost is higher.Due to oxygen
The compressive resistance for changing aluminium hollow sphere brick is lower, cannot use on the kiln for having material or hot wind to wash away as work furnace lining.For
Meet part Industrial Stoves to the performance requirement of refractory product, it would be highly desirable to develop that a kind of thermal coefficient is relatively low while intensity is higher
Refractory brick, used using meeting as Industrial Stoves kiln lining.
Summary of the invention
Can not it come directly as density in the high intensity that liner of industry kiln uses the purpose of the present invention is to provide a kind of
Stone brick, the present invention also provides the preparation methods of the brick body.
To achieve the above object, the present invention can take following technical proposals:
It is of the present invention high intensity in density mullite brick, be by raw material light-weight mullite, 3 ~ 0mm give up poly light mullite brick,
200 mesh calcined kaolin powder, 600 mesh a alumina powders, three mountain flours, 200 mesh sodium bentonites, bonding clay, lignin liquor are pressed
It is prepared according to following weight parts proportion:
20 ~ 40 parts of light-weight mullite, 3 ~ 0mm gives up 10 ~ 20 parts of poly light mullite brick, 200 10 ~ 20 parts of mesh calcined kaolin powder, and 600
1 ~ 5 part of mesh a alumina powder, three 5 ~ 15 parts of mountain flours, 200 1 ~ 5 part of mesh sodium bentonites, 5 ~ 10 parts of bonding clay, lignin liquor 3
~ 5 parts；Wherein, 10 ~ 20 parts of 4 ~ 2mm light-weight mullite aggregate；10 ~ 20 parts of 2 ~ 1mm light-weight mullite aggregate.
The brick that gives up of poly light mullite used in the present invention is waste and old brick body that Industrial Stoves are removed, as brick body raw material,
The manufacturing cost that brick body can be reduced improves the comprehensive utilization ratio of resource
Density mullite brick is the preparation method comprises the following steps: be put into sand mixer or edge runner-wet mill for each material of precise in high intensity of the invention
It is kneaded uniformly, after being put into mold, with >=10KN/cm on press machine2Pressure be pressed into semi-finished product adobe, be sent into after dry
Tunnel oven is warming up to 1200 ~ 1500 DEG C of firings 6-12 hours, and apparent porosity >=30%, bulk density 1.6- are obtained after natural cooling
1.8g/cm3, cold crushing strength >=30Mpa, 1400 DEG C of x24h reheating linear change rate on reheating≤0.4%, 1200 DEG C thermal coefficients≤
0.75% finished product brick body.
Through examining, the chemical component mass percent of finished product brick body is Al2O3 45-65%；SiO2 35-55%, Fe2O3 、
Other impurity composition total amounts such as CaO are 1-2.5%
The advantage of the invention is that the finished bricks volume density prepared between light mullite brick and heavy mullite brick, has
There are relatively high compressive resistance and lower thermal coefficient, finished product brick body compressive resistance 5 times of (states higher than conventional lightweight high-alumina brick
Mark in GB/T3395-2014, the compressive resistance standard highest of light weeight alumina brick DLG170-1.3L, standard value 5Mpa), volume
Density improves only 0.3 ~ 0.5 g/cm3, while high-temperature behavior is more preferable, and it is strong to refractory product can to meet part Industrial Stoves completely
Spend the performance requirement that relative requirement height but thermal coefficient cannot be excessively high.
Specific embodiment
More detailed explanation is done to the present invention below by specific embodiment, in order to the reason of those skilled in the art
Solution.
It unless otherwise specified, is that common synthesis is light the raw materials used present invention is marketable material, such as light-weight mullite aggregate
Matter mullite, three mountain flours are commercially available kyanite, sillimanite and andalusite race powder (80-200 mesh).Used in the present invention it is poly- it is light not
Carrying out the stone brick that gives up is waste and old brick body that Industrial Stoves are removed, and the present invention uses the poly light mullite brick that gives up to can be effectively reduced into as raw material
This, while improving comprehensive utilization of resources efficiency.
Embodiment 1 prepare roaster, heating furnace high intensity in density mullite brick, finished bricks require compressive resistance it is big
Thermal coefficient when 30mpa, 1000 DEG C reduces as far as possible, it is desirable that is not more than 0.8w/m.k.
1, it stocks up
40 parts of light-weight mullite, wherein 20 parts of 4 ~ 2mm light-weight mullite aggregate；20 parts of 2 ~ 1mm light-weight mullite aggregate；
3 ~ 0mm gives up 20 parts of poly light mullite brick；
200 20 parts of mesh calcined kaolin powder；
600 5 parts of mesh a alumina powders；
15 parts of three mountain flour of 80-120 mesh；
200 5 parts of mesh sodium bentonites；
200 10 parts of mesh bonding clays；
5 parts of lignin liquor；
2, preparation method
The above-mentioned material of precise is put into sand mixer together or edge runner-wet mill is kneaded uniformly (industry conventional method), is mixed
Pug be put into mold, with >=10KN/cm on press machine2Pressure be compressed into semi-finished product adobe, drying (is dried in the air naturally
Dry or low temperature drying) it is sent into tunnel oven is afterwards warming up to 1200 ~ 1500 DEG C of firing 6-12 hours, it is to be shown after kiln discharge natural cooling
The porosity >=30%, 1.6 ~ 1.8g/cm of bulk density3, cold crushing strength >=30Mpa, 1400 DEG C of x24h reheating linear change rate on reheating
≤ 0.4%, the finished product brick body of 1200 DEG C of thermal coefficient≤0.75%；The chemical component mass percent of finished product brick body is Al2O3
55%；SiO2 43.5% ；Fe2O3, other impurity composition total amounts such as CaO be 1.5%.
When preparing brick body, each raw material dosage can be adjusted in range disclosed by the invention, to meet the reality of kiln
It needs to be advisable.
Claims (3)
1. density mullite brick in a kind of high intensity, it is characterised in that: be by raw material light-weight mullite, 3 ~ 0mm it is useless poly- light not Lai
Stone brick, 200 mesh calcined kaolin powder, 600 mesh a alumina powders, three mountain flours, 200 mesh sodium bentonites, bonding clay, lignin
Solution is prepared according to following weight parts proportion:
20 ~ 40 parts of light-weight mullite, wherein 10 ~ 20 parts of 4 ~ 2mm light-weight mullite aggregate；2 ~ 1mm light-weight mullite aggregate 10 ~
20 parts；
3 ~ 0mm gives up 10 ~ 20 parts of poly light mullite brick, 200 10 ~ 20 parts of mesh calcined kaolin powder, 600 1 ~ 5 part of mesh a alumina powders,
Three 5 ~ 15 parts of mountain flours, 200 1 ~ 5 part of mesh sodium bentonites, 5 ~ 10 parts of bonding clay, 3 ~ 5 parts of lignin liquor.
2. it is according to claim 1 high intensity in density mullite brick, it is characterised in that: the poly light mullite give up brick be
The waste and old brick body that Industrial Stoves are removed.
3. density mullite brick preparation method in the high intensity of claim 1, it is characterised in that: put each material of precise
Enter sand mixer or edge runner-wet mill is kneaded uniformly, after being put into mold, with >=10KN/cm on press machine2Pressure be pressed into half at
Product adobe is sent into tunnel oven after dry and is warming up to 1200 ~ 1500 DEG C of firings 6-12 hours, obtained after natural cooling apparent porosity >=
30%, bulk density 1.6-1.8g/cm3, cold crushing strength >=30Mpa, 1400 DEG C of x24h reheating linear change rate on reheating≤0.4%,
The finished product brick body of 1200 DEG C of thermal coefficient≤0.75%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592565.8A CN109369203A (en) | 2018-12-25 | 2018-12-25 | Density mullite brick and preparation method thereof in high intensity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811592565.8A CN109369203A (en) | 2018-12-25 | 2018-12-25 | Density mullite brick and preparation method thereof in high intensity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723978A (en) * | 2019-10-30 | 2020-01-24 | 浙江自立高温科技股份有限公司 | Microporous mullite brick for permanent layer of steel ladle and preparation method thereof |
| CN112174651A (en) * | 2020-09-28 | 2021-01-05 | 山东工业职业学院 | Light refractory brick and preparation method thereof |
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| CN101717267A (en) * | 2009-11-24 | 2010-06-02 | 武汉科技大学 | Lightweight brick prepared from porzite roller rod waste material as raw material and preparation method thereof |
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