CN103601525B - Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material - Google Patents
Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material Download PDFInfo
- Publication number
- CN103601525B CN103601525B CN201310630755.5A CN201310630755A CN103601525B CN 103601525 B CN103601525 B CN 103601525B CN 201310630755 A CN201310630755 A CN 201310630755A CN 103601525 B CN103601525 B CN 103601525B
- Authority
- CN
- China
- Prior art keywords
- voltage electric
- light heat
- waste material
- insulation brick
- electric porcelain
- 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.)
- Active
Links
Abstract
The present invention is specifically related to a kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.Its technical scheme is: first with the clay of the high-voltage electric porcelain waste material of 65.0 ~ 95.0wt% and 5.0 ~ 35.0wt% for raw material, the additional described bonding agent of raw material 2.0 ~ 4.0wt% and the water of 4.0 ~ 8.0wt%, mixing, the pore-forming material of 500 ~ 1000L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, compression moulding; Then dry 20 ~ 28h under 60 ~ 120 DEG C of conditions, is incubated 4 ~ 8h, obtains mullite light heat-insulation brick under 1200 ~ 1500 DEG C of conditions.The main chemical compositions of described high-voltage electric porcelain waste material is: Al
2o
3content>=55.0wt%, SiO
2content>=38.0wt%, K
2o content>=3.0wt%, Na
2o content>=0.3wt%.The present invention have technique simple, economize on resources and eco-friendly feature, obtained mullite light heat-insulation brick compressive strength is higher, volume stability is higher, volume density is lower and thermal conductivity is lower.
Description
Technical field
The invention belongs to the technical field of insulating refractory, be specifically related to a kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.
Background technology
Electrotechnical ceramics (electroceramics) mainly refers to the insulating ceramic being used for ultra-high-tension power transmission line and power station and various electrical appliance, and also claiming insulator, is the important component part of power industry.Ceramic material mainly contains conventional ceramic, high silicon porcelain and aluminium matter porcelain, folding strength need reach 120 ~ 160MPa.Aluminium matter porcelain is also referred to as high tension insulator material, and high tension insulator material is generally applied to, in high voltage power transmission and transforming circuit, standing the impact of high pressure and external environment for a long time, has the feature of height endurability and high mechanical strength.To crack in shaping, dry and sintering process due to high tension insulator material or in porcelain, ferrotitanium content overproof will cause porcelain base dielectric properties not up to standard, and then be eliminated as high-voltage electric porcelain waste material; Or in environment for use, stand high-tension current and rugged environment impact for a long time, crack and cause electric breakdown phenomena, also can be eliminated as high-voltage electric porcelain waste material.The aftertreatment present situation of current China ceramic industry solid waste is very undesirable, process majority for high-voltage electric porcelain waste material adopts landfill method, not only occupy a large amount of soil, also pollute the soil of surrounding, water body, air etc., serious harm is caused to ecotope.By high-voltage electric porcelain waste material resource utilization, use Green Design Technology to carry out design again and arrangement to the life cycle of high-voltage electric porcelain waste material, require that it meets environmental protection requirement, harmless to ecotope, natural resources and energy resources is consumed configuration most effectively.
Light mullite brick is a kind of alumina content is 50 ~ 80wt%, with mullite (3Al
2o
32SiO
2) be principal crystalline phase and the novel high-quality insulating refractory in conjunction with phase.Compared with traditional refractory materials, mullite light thermal-shield refractory material is because making the hot working efficiency of Industrial Stoves and other Thermal Equipments and work-ing life be increased dramatically with good characteristics such as its high porosity, high strength, low volume density and lower thermal conductivities.At present, raw material mainly bauxitic clay, kyanite, sillimanite, commercial alumina and the silicon powder of mullite product is prepared in industry, huge to the consumption of natural matter, is unfavorable for the sustainable use of resource.
" a kind of preparation method of corundum-mullite light heat-insulating material " (CN103011884A) patented technology, disclose with ceramic powder is raw material, additional 35 ~ 50wt% silicon sol is that bonding agent and a certain amount of whipping agent obtain foam slurry, drying after injection forming is also burnt till at 1500 ~ 1700 DEG C, obtains corundum-mullite light heat-insulation brick.The defect of the method is mainly reflected in: the raw materials cost of (1) the method is higher; (2) firing temperature is high, and energy consumption is high; (3) time of drying is long.
" a kind of Mullite light-weight micropore thermal insulation brick " (CN102775129A) patented technology, disclose with the magnesia removing red bauxite and 10 ~ 30wt% of the coal gangue of 40 ~ 79.8wt%, 10 ~ 30wt%, mixing and ball milling after adding water extrusion moulding obtains mud cake, ramming or casting after mud cake is pulverized, obtained dichroite-mullite light fire brick.The defect of the method is mainly reflected in: (1) complicated process of preparation, and ramming product performance uncontrollability is high; (2) preparation section is complicated, and the production cycle is long.
Summary of the invention
The present invention is intended to overcome prior art defect, object be to provide a kind of technique simple, economize on resources and the eco-friendly method utilizing high-voltage electric porcelain waste material to prepare mullite light heat-insulation brick; With the compressive strength of the mullite light heat-insulation brick prepared by this method and volume stability higher, volume density and thermal conductivity lower.
For achieving the above object, the technical solution adopted in the present invention is: first with the clay of the high-voltage electric porcelain waste material of 65.0 ~ 95.0wt% and 5.0 ~ 35.0wt% for raw material, the additional described bonding agent of raw material 2.0 ~ 4.0wt% and the water of 4.0 ~ 8.0wt%, mixing, the pore-forming material of 500 ~ 1000L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, compression moulding; Then dry 20 ~ 28h under 60 ~ 120 DEG C of conditions, is incubated 4 ~ 8h, namely obtains mullite light heat-insulation brick under 1200 ~ 1500 DEG C of conditions.
The particle diameter of described high-voltage electric porcelain waste material is all less than 0.074mm; The main chemical compositions of high-voltage electric porcelain waste material is: Al
2o
3content>=55.0wt%, SiO
2content>=38.0wt%, K
2o content>=3.0wt%, Na
2o content>=0.3wt%.
The particle diameter of described clay is all less than 0.088mm, and the main chemical compositions of clay is: Al
2o
3content>=40.0wt%, SiO
2content>=55.0wt%, K
2o content>=1.5wt%, Na
2o content>=1.0wt%.
Described forming pressure is 4.0 ~ 8.0MPa.
Described pore-forming material is the one in polystyrene spheres, graphite and pelletted pitch.
Described bonding agent is one or both in spent pulping liquor, sodium lignosulfonate, vinasse and starch.
Owing to adopting technique scheme, the present invention is raw materials used is current bulk deposition and the high-voltage electric porcelain waste material of not being fully used, and turns waste into wealth, not only slow down environmental stress and also a saving the expense processing a large amount of high-voltage electric porcelain waste material; Production technique is simple, and feed pressure is shaping, burns till and can obtain mullite light heat-insulation brick after drying; Obtained mullite light heat-insulation brick Al
2o
3content>=50.0wt%, pore size distribution is mainly distributed in less than 15 μm, and integrated distribution is between 5 ~ 8 μm, and volume density is 0.83 ~ 1.18g/cm
3, apparent porosity is 45.0 ~ 65.0%, reheating linear change rate on reheating ± 0.5%, and cold crushing strength is 16.0 ~ 32.0MPa, and 300 DEG C record thermal conductivity is 0.257 ~ 0.342Wm
-1k
-1.
Therefore, the present invention have technique simple, economize on resources and eco-friendly feature, obtained mullite light heat-insulation brick compressive strength is higher, volume stability is higher, volume density is lower and thermal conductivity is lower.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, not limiting the scope of the invention.
For avoiding repetition, first the relevant technologies improve parameter unification involved by this embodiment is described below:
The particle diameter of described high-voltage electric porcelain waste material is all less than 0.074mm; The main chemical compositions of high-voltage electric porcelain waste material is: Al
2o
3content>=55.0wt%, SiO
2content>=38.0wt%, K
2o content>=3.0wt%, Na
2o content>=0.3wt%.
The particle diameter of described clay is all less than 0.088mm, and the main chemical compositions of clay is: Al
2o
3content>=40.0wt%, SiO
2content>=55.0wt%, K
2o content>=1.5wt%, Na
2o content>=1.0wt%.
Repeat no more in embodiment.
embodiment 1
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 65.0 ~ 70.0wt% and 30.0 ~ 35.0wt% for raw material, the additional described water of raw material 4.0 ~ 5.0wt% and the spent pulping liquor of 2.0 ~ 2.5wt%, mixing, the polystyrene spheres of 500 ~ 700L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 4.0 ~ 6.0MPa pressure forming; Then dry 20 ~ 28h under 60 ~ 90 DEG C of conditions, at 1200 ~ 1300 DEG C of condition insulation 4 ~ 6h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 0.83 ~ 0.89g/cm
3; Apparent porosity is 62.7 ~ 65.0%; Cold crushing strength 16.0 ~ 19.6MPa; 300 DEG C of thermal conductivities are 0.257 ~ 0.283Wm
-1k
-1.
embodiment 2
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 70.0 ~ 75.0wt% and 25.0 ~ 30.0wt% for raw material, the additional described water of raw material 5.0 ~ 6.0wt% and the sodium lignosulfonate of 2.5 ~ 3.0wt%, mixing, the graphite of 700 ~ 900L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 5.0 ~ 7.0MPa pressure forming; Then dry 20 ~ 28h under 70 ~ 100 DEG C of conditions, at 1300 ~ 1400 DEG C of condition insulation 6 ~ 8h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 0.92 ~ 1.01g/cm
3; Apparent porosity is 52.8 ~ 55.2%; Cold crushing strength 18.4 ~ 21.7MPa; 300 DEG C of thermal conductivities are 0.275 ~ 0.308Wm
-1k
-1.
embodiment 3
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 75.0 ~ 80.0wt% and 20.0 ~ 25.0wt% for raw material, the additional described water of raw material 6.0 ~ 7.0wt% and the vinasse of 3.0 ~ 3.5wt%, mixing, the pelletted pitch of 800 ~ 1000L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 6.0 ~ 8.0MPa pressure forming; Then dry 20 ~ 28h under 80 ~ 110 DEG C of conditions, at 1400 ~ 1500 DEG C of condition insulation 5.0 ~ 7.0h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 1.11 ~ 1.18g/cm
3; Apparent porosity is 45.0 ~ 48.5%; Cold crushing strength 27.8 ~ 32.0MPa; 300 DEG C of thermal conductivities are 0.311 ~ 0.342Wm
-1k
-1.
embodiment 4
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 80.0 ~ 85.0wt% and 15.0 ~ 20.0wt% for raw material, the additional described water of raw material 7.0 ~ 8.0wt% and the starch of 3.5 ~ 4.0wt%, mixing, the polystyrene spheres of 600 ~ 800L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 5.0 ~ 7.0MPa pressure forming; Then dry 20 ~ 28h under 90 ~ 120 DEG C of conditions, at 1250 ~ 1350 DEG C of condition insulation 4.5 ~ 6.5h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 0.88 ~ 0.94g/cm
3; Apparent porosity is 48.4 ~ 51.4%; Cold crushing strength 20.5 ~ 23.4MPa; 300 DEG C of thermal conductivities are 0.266 ~ 0.297Wm
-1k
-1.
embodiment 5
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 85.0 ~ 90.0wt% and 10.0 ~ 15.0wt% for raw material, the sodium lignosulfonate of the additional described water of raw material 4.5 ~ 5.5wt%, the spent pulping liquor of 1.0 ~ 1.5wt% and 1.0 ~ 1.5wt%, mixing, the graphite of 500 ~ 700L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 4.0 ~ 6.0MPa pressure forming; Then dry 20 ~ 28h under 60 ~ 90 DEG C of conditions, at 1350 ~ 1450 DEG C of condition insulation 5.5 ~ 7.5h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 0.98 ~ 1.05g/cm
3; Apparent porosity is 54.9 ~ 58.0%; Cold crushing strength 23.6 ~ 26.5MPa; 300 DEG C of thermal conductivities are 0.289 ~ 0.317Wm
-1k
-1.
embodiment 6
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 90.0 ~ 95.0wt% and 5.0 ~ 10.0wt% for raw material, the additional described water of raw material 5.5 ~ 6.5wt%, the vinasse of 1.5 ~ 2.0wt% and 1.5 ~ 2.0% starch, mixing, the pelletted pitch of 600 ~ 800L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 4.5 ~ 6.5MPa pressure forming; Then dry 20 ~ 28h under 70 ~ 100 DEG C of conditions, at 1380 ~ 1480 DEG C of condition insulation 4.0 ~ 6.0h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 1.05 ~ 1.12g/cm
3; Apparent porosity is 60.1 ~ 62.8%; Cold crushing strength 25.0 ~ 29.2MPa; 300 DEG C of thermal conductivities are 0.304 ~ 0.328Wm
-1k
-1.
embodiment 7
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 82.5 ~ 87.5wt% and 12.5 ~ 17.5wt% for raw material, the additional described water of raw material 6.5 ~ 7.5wt%, the spent pulping liquor of 1.5 ~ 2.0wt% and 1.0 ~ 1.5% starch, mixing, the polystyrene spheres of 650 ~ 850L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 5.5 ~ 7.5MPa pressure forming; Then dry 20 ~ 28h under 80 ~ 110 DEG C of conditions, at 1280 ~ 1380 DEG C of condition insulation 5.0 ~ 7.0h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 0.89 ~ 0.98g/cm
3; Apparent porosity is 51.1 ~ 53.0%; Cold crushing strength 19.0 ~ 22.5MPa; 300 DEG C of thermal conductivities are 0.271 ~ 0.299Wm
-1k
-1.
embodiment 8
A kind of mullite light heat-insulation brick based on high-voltage electric porcelain waste material and preparation method thereof.First with the clay of the high-voltage electric porcelain waste material of 72.5 ~ 77.5wt% and 22.5 ~ 27.5wt% for raw material, the vinasse of the additional described water of raw material 5.0 ~ 6.0wt%, the sodium lignosulfonate of 1.0 ~ 1.5wt% and 1.2 ~ 1.7wt%, mixing, the graphite of 550 ~ 750L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, 6.0 ~ 8.0MPa pressure forming; Then dry 20 ~ 28h under 90 ~ 120 DEG C of conditions, at 1350 ~ 1450 DEG C of condition insulation 4.5 ~ 6.5h, obtains mullite light heat-insulation brick.
Mullite light heat-insulation brick prepared by the present embodiment is after testing: volume density is 1.03 ~ 1.07g/cm
3; Apparent porosity is 57.5 ~ 60.3%; Cold crushing strength 25.5 ~ 28.8MPa; 300 DEG C of thermal conductivities are 0.296 ~ 0.325Wm
-1k
-1.
This embodiment is raw materials used is current bulk deposition and the high-voltage electric porcelain waste material of not being fully used, and turns waste into wealth, not only slow down environmental stress and also a saving the expense processing a large amount of high-voltage electric porcelain waste material; Production technique is simple, and feed pressure is shaping, burns till and can obtain mullite light heat-insulation brick after drying; Obtained mullite light heat-insulation brick Al
2o
3content>=50.0wt%, pore size distribution is mainly distributed in less than 15 μm, and integrated distribution is between 5 ~ 8 μm, and volume density is 0.83 ~ 1.18g/cm
3, apparent porosity is 45.0 ~ 65.0%, reheating linear change rate on reheating ± 0.5%, and cold crushing strength is 16.0 ~ 32.0MPa, and 300 DEG C record thermal conductivity is 0.257 ~ 0.342Wm
-1k
-1.
Therefore, this embodiment have technique simple, economize on resources and eco-friendly feature, obtained mullite light heat-insulation brick compressive strength is higher, volume stability is higher, volume density is lower and thermal conductivity is lower.
Claims (5)
1. the preparation method based on the mullite light heat-insulation brick of high-voltage electric porcelain waste material, it is characterized in that first with the clay of the high-voltage electric porcelain waste material of 65.0 ~ 95.0wt% and 5.0 ~ 35.0wt% for raw material, the additional described bonding agent of raw material 2.0 ~ 4.0wt% and the water of 4.0 ~ 8.0wt%, mixing, the pore-forming material of 500 ~ 1000L is added again in raw material per ton, stir 4 ~ 6h, ageing mixture 15 ~ 30h, compression moulding; Then dry 20 ~ 28h under 60 ~ 120 DEG C of conditions, is incubated 4 ~ 8h, obtains mullite light heat-insulation brick under 1200 ~ 1500 DEG C of conditions;
The particle diameter of described high-voltage electric porcelain waste material is all less than 0.074mm; The main chemical compositions of high-voltage electric porcelain waste material is: Al
2o
3content>=55.0wt%, SiO
2content>=38.0wt%, K
2o content>=3.0wt%, Na
2o content>=0.3wt%;
The particle diameter of described clay is all less than 0.088mm, and the main chemical compositions of clay is: Al
2o
3content>=40.0wt%, SiO
2content>=55.0wt%, K
2o content>=1.5wt%, Na
2o content>=1.0wt%.
2. the preparation method of the mullite light heat-insulation brick based on high-voltage electric porcelain waste material according to claim 1, is characterized in that described forming pressure is 4.0 ~ 8.0MPa.
3. the preparation method of the mullite light heat-insulation brick based on high-voltage electric porcelain waste material according to claim 1, is characterized in that described pore-forming material is the one in polystyrene spheres, graphite and pelletted pitch.
4. the preparation method of the mullite light heat-insulation brick based on high-voltage electric porcelain waste material according to claim 1, is characterized in that described bonding agent is one or both in spent pulping liquor, sodium lignosulfonate, vinasse and starch.
5., based on a mullite light heat-insulation brick for high-voltage electric porcelain waste material, described mullite light heat-insulation brick is the mullite light heat-insulation brick prepared by preparation method of the mullite light heat-insulation brick based on high-voltage electric porcelain waste material according to any one of claim 1 ~ 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310630755.5A CN103601525B (en) | 2013-12-02 | 2013-12-02 | Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310630755.5A CN103601525B (en) | 2013-12-02 | 2013-12-02 | Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103601525A CN103601525A (en) | 2014-02-26 |
| CN103601525B true CN103601525B (en) | 2016-01-20 |
Family
ID=50119811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310630755.5A Active CN103601525B (en) | 2013-12-02 | 2013-12-02 | Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103601525B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177069A (en) * | 2014-08-25 | 2014-12-03 | 国家电网公司 | Waste-ceramic-based electric power insulator sintered brick and production technique thereof |
| CN107840638A (en) * | 2017-11-29 | 2018-03-27 | 吕梁耀金道冶金材料工程技术有限公司 | A kind of porcelain aluminium abrasive brick and preparation method thereof |
| CN108558421A (en) * | 2018-06-11 | 2018-09-21 | 无锡远能耐火材料有限公司 | Waste incinerator castable refractory and its method prepared by discarded high tension insulator |
| CN109384471A (en) * | 2018-12-19 | 2019-02-26 | 萍乡学院 | A method of insulating brick is prepared using electroceramics waste material |
| CN111187087B (en) * | 2020-01-16 | 2022-02-08 | 郑州大学 | Preparation method of lightweight castable aggregate |
| CN111689785A (en) * | 2020-06-10 | 2020-09-22 | 西安建筑科技大学 | Ceramsite proppant prepared from waste high-voltage electric porcelain and preparation process |
| CN112592202A (en) * | 2020-12-31 | 2021-04-02 | 山东潍耐节能材料有限公司 | Mullite heat-insulating brick and production process thereof |
| CN115745585A (en) * | 2022-11-23 | 2023-03-07 | 中国地质大学（北京） | Preparation method for preparing low-aluminum mullite refractory brick by using waste electroceramics |
| CN115710138A (en) * | 2022-11-24 | 2023-02-24 | 中国地质大学（北京） | Method for preparing high-temperature-resistant light heat-insulating material from waste electric porcelain |
| CN115700235A (en) * | 2022-11-24 | 2023-02-07 | 中国地质大学（北京） | Method for preparing refractory mortar from waste electric porcelain and waste cordierite ceiling board |
| CN115784756A (en) * | 2022-11-24 | 2023-03-14 | 中国地质大学（北京） | Preparation method of high-content waste electric ceramic base baking-free refractory brick |
| CN116396095A (en) * | 2023-04-10 | 2023-07-07 | 湖南工业大学 | Light heat-insulating brick and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633210A (en) * | 2009-08-28 | 2010-01-27 | 唐山市盈心耐火材料有限公司 | Method for preparing building material product from waste porcelain |
| CN102276242A (en) * | 2011-07-05 | 2011-12-14 | 武汉科技大学 | Mullite light bricks and preparation method thereof |
| CN102633512A (en) * | 2012-04-12 | 2012-08-15 | 武汉科技大学 | Abandoned molding sand based mullite light heat insulating bricks and preparation method thereof |
| CN102826861A (en) * | 2012-08-30 | 2012-12-19 | 安徽瑞泰新材料科技有限公司 | Alkali resistant brick and preparation method |
-
2013
- 2013-12-02 CN CN201310630755.5A patent/CN103601525B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633210A (en) * | 2009-08-28 | 2010-01-27 | 唐山市盈心耐火材料有限公司 | Method for preparing building material product from waste porcelain |
| CN102276242A (en) * | 2011-07-05 | 2011-12-14 | 武汉科技大学 | Mullite light bricks and preparation method thereof |
| CN102633512A (en) * | 2012-04-12 | 2012-08-15 | 武汉科技大学 | Abandoned molding sand based mullite light heat insulating bricks and preparation method thereof |
| CN102826861A (en) * | 2012-08-30 | 2012-12-19 | 安徽瑞泰新材料科技有限公司 | Alkali resistant brick and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103601525A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103601525B (en) | Based on the mullite light heat-insulation brick and preparation method thereof of high-voltage electric porcelain waste material | |
| CN103951452B (en) | A kind of preparation method of micropore aquamaine ground mass light thermal-shield refractory material | |
| CN101928153B (en) | Calcium hexaluminate and corundum composite porous light heat insulation refractory brick | |
| CN102701764B (en) | Sintered alumina-silica refractory material and preparation method thereof | |
| CN102276242B (en) | Mullite light bricks and preparation method thereof | |
| CN102276276B (en) | Alumina hollow ball insulation product | |
| CN105481464A (en) | Porous refractory material and preparation method thereof | |
| CN102701763A (en) | Low-aluminum sintered alumina-silica refractory material and preparation method thereof | |
| CN102351522A (en) | Method for preparing homogeneous mullite material from kyanite | |
| CN105503209B (en) | A kind of mullite lightweight thermal insulation brick based on flint clay and preparation method thereof | |
| CN102976778A (en) | Coal ash-based mullite light heat-insulation brick and preparation method thereof | |
| CN105060905A (en) | Low-aluminum alkali-resistant mullite brick and preparation method thereof | |
| CN103693975B (en) | Ultrahigh strength thermal shock resistance corundum/mullite product and manufacture method thereof | |
| CN104446595A (en) | Honeycomb ceramic heat accumulator prepared from rare earth tailings and preparation method of honeycomb ceramic heat accumulator | |
| CN106518115A (en) | Refractory material and preparation method thereof | |
| CN101781919A (en) | Low heat conduction light heat insulating silica brick | |
| CN103896605A (en) | Method for synthesizing cordierite-mullite composite material with kyanite | |
| CN103408312B (en) | Aluminum-silicon-based lightweight castable and preparation method thereof | |
| CN103964864A (en) | Heat storage brick and manufacturing method thereof | |
| CN104478415B (en) | A kind of alumina base multi-phase wear-resistant plate and preparation method thereof | |
| CN102850044A (en) | Light cordierite-spinel castable and preparation method thereof | |
| CN102557717B (en) | Porous cordierite-mullite composite ceramic material and preparation method thereof | |
| CN100494106C (en) | Ultralight low-conductive heat-insulation material and producing method thereof | |
| CN103496708B (en) | Raw material for synthesizing mullite and preparation method thereof | |
| CN104140274B (en) | One does not burn forsterite heat light material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |