CN103896605B - A kind of method of kyanite synthesis of dichroite-mullite composite - Google Patents
A kind of method of kyanite synthesis of dichroite-mullite composite Download PDFInfo
- Publication number
- CN103896605B CN103896605B CN201410070813.8A CN201410070813A CN103896605B CN 103896605 B CN103896605 B CN 103896605B CN 201410070813 A CN201410070813 A CN 201410070813A CN 103896605 B CN103896605 B CN 103896605B
- Authority
- CN
- China
- Prior art keywords
- dichroite
- kyanite
- mullite composite
- synthesis
- conditions
- 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.)
- Expired - Fee Related
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
A kind of method that the present invention relates to kyanite synthesis of dichroite mullite composite material.Its technical scheme is: load in ball grinder by the kyanite of 60 ~ 80wt% and the talcum of 20 ~ 40wt%, and ball milling 3 ~ 5h crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 72h, mechanical pressing；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1370 DEG C, is incubated 2 6h, cools down with stove, obtain cordierite-mullite composite.The feature that the present invention has low cost, firing temperature is low and conversion ratio is high, synthesized cordierite-mullite composite impurity is less, bulk density is relatively big and compressive resistance is high.
Description
Technical field
The invention belongs to dichroite-mullite technical field of composite materials.A kind of method being specifically related to kyanite synthesis of dichroite-mullite composite.
Background technology
Blue spar ore is to have variform anhydrous aluminosilicate mineral, belongs to high aluminum mineral raw material.Chemical composition is generally Al2O3·SiO2Or Al2SiO5Owing to its bulking effect can offset the contraction of some material, make product have high volume and change little, Heat stability is good, resistance to anti-slag and wear-resistant feature, it is not required to calcine discharging directly use, adapt to be rapidly fired to, save the energy, be widely used in the fields such as metallurgy, pottery, glass, machinery, electric power and chemical industry.
Dichroite-mullite composite as one of 21st century high-temperature field basic material is a kind of important kiln furniture material, there is the advantage that high-temperature behavior is good, high temperature mechanical strength is high, good thermal shock, refractoriness under load high, use temperature is high and chemical stability is good, it is widely used in burning till soft magnetism (ferrite) and kiln furnitures, Based High Temperature Ceramic Roller, saggar material, push pedal material, refractory slab material and the refractory brick material etc. of electronic isolation pottery, it is considered as one of the most rising high temperature thermal shock resistant ceramic material, obtains extensive concern.
At present, general employing natural material or pure-oxide solid-phase sintering synthesis of dichroite-mullite composite.Lei Zhongxing (Lei Zhongxing, the physical and mechanical properties of mullite-cordierite compound, fire resistance and microstructure [J] in situ, 2007,32 (3): 34 ~ 37) with kaolinite, talcum, aluminum oxide synthesis of dichroite-mullite composite, firing temperature is 1400 DEG C, and bulk density is 1.9g/m3Left and right, compressive resistance is up to 111MPa；Malin (Malin, Lu's the eleventh of the twelve Earthly Branches is raw, Xue Na etc. dichroite-mullite complex phase ceramic prepares [J], 2008,40 (6): 756 ~ 758) etc. with talcum, Suzhou soil, commercial alumina for raw material synthesis of dichroite-mullite diphase ceramic material at 1390 DEG C, sample maximum compressive resistance is 278MPa, and bulk density is 2.13g/m3。
In above-mentioned technology, use natural material or pure-oxide solid-phase sintering synthesis of dichroite-mullite composite, though there being its advantage, but having that firing temperature is high, raw material mixing is uneven and easily causes the shortcoming of the wasting of resources, goods consistency is the highest, impurity is mutually more and performance is not apparent from improving for it.
Summary of the invention
It is contemplated that overcome prior art defect, it is therefore an objective to provide a kind of and synthesize that low cost, firing temperature be low and conversion ratio is high by the method for kyanite synthesis of dichroite-mullite composite；The impurity of the dichroite-mullite composite synthesized by this method is less, bulk density is relatively big and compressive resistance is high.
For achieving the above object, the technical solution adopted in the present invention is: load in ball grinder by the kyanite of 60 ~ 80wt% and the talcum of 20 ~ 40wt%, and ball milling 3 ~ 5h crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 72h, mechanical pressing；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1370 DEG C, is incubated 2-6h, cools down with stove, obtain dichroite-mullite composite.
The main chemical compositions of described kyanite is: Al2O3Content >=55wt%, SiO2Content >=35wt%, ZrO2Content >=3wt%, Fe2O3Content≤1.5wt%.
The main chemical compositions of described talcum is: content of MgO >=30wt%, SiO2Content >=60wt%, Fe2O3Content≤1wt%.
The briquetting pressure of described mechanical pressing is 20 ~ 40Mpa.
Using technique scheme, the present invention has a following good effect:
Owing to raw material of the present invention is natural crystal kyanite and talcum, and the two reserves abundance price is low, therefore resulting product low cost；Owing to raw material impurity of the present invention is few mutually, the purity of resulting product is high；Owing to the present invention uses rational calcining system fabricated in situ, the bulk density of resulting product is relatively big, and compressive resistance is high.
Therefore, the feature that the present invention has low cost, firing temperature is low and conversion ratio is high, synthesized dichroite-mullite composite impurity is less, bulk density is relatively big and compressive resistance is high.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described, not the restriction to its protection domain.
For avoiding repeating, existing by as follows for the raw material Unify legislation involved by this detailed description of the invention, embodiment repeats no more:
The main chemical compositions of described kyanite is: Al2O3Content >=55wt%, SiO2Content >=35wt%, ZrO2Content >=3wt%, Fe2O3Content≤1.5wt%.
The main chemical compositions of described talcum is: content of MgO >=30wt%, SiO2Content >=60wt%, Fe2O3Content≤1wt%.
Embodiment
1
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 60 ~ 70wt% and the talcum of 30 ~ 40wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 56h, mechanical pressing under the conditions of 20 ~ 30Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1270 DEG C, is incubated 4 ~ 6h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 320 ~ 350MPa.
Embodiment
2
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 60 ~ 70wt% and the talcum of 30 ~ 40wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 56h, mechanical pressing under the conditions of 20 ~ 30Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1270 ~ 1320 DEG C, is incubated 3 ~ 5h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 1.9 ~ 2.1g/m3, compressive resistance is 420 ~ 450MPa.
Embodiment
3
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 60 ~ 70wt% and the talcum of 30 ~ 40wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 56h, mechanical pressing under the conditions of 20 ~ 30Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1320 ~ 1370 DEG C, is incubated 2 ~ 4h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 370 ~ 400MPa.
Embodiment
4
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 65 ~ 75wt% and the talcum of 25 ~ 35wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 56 ~ 64h, mechanical pressing under the conditions of 25 ~ 35Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1270 DEG C, is incubated 4 ~ 6h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 320 ~ 350MPa.
Embodiment
5
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 65 ~ 75wt% and the talcum of 25 ~ 35wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 56 ~ 64h, mechanical pressing under the conditions of 25 ~ 35Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1270 ~ 1320 DEG C, is incubated 3 ~ 5h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 370 ~ 400MPa.
Embodiment
6
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 65 ~ 75wt% and the talcum of 25 ~ 35wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 56 ~ 64h, mechanical pressing under the conditions of 25 ~ 35Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1320 ~ 1370 DEG C, is incubated 2 ~ 4h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 320 ~ 350MPa.
Embodiment
7
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 70 ~ 80wt% and the talcum of 20 ~ 30wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 64 ~ 72h, mechanical pressing under the conditions of 30 ~ 40Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1270 DEG C, is incubated 4 ~ 6h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 320 ~ 350MPa.
Embodiment
8
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 70 ~ 80wt% and the talcum of 20 ~ 30wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 64 ~ 72h, mechanical pressing under the conditions of 30 ~ 40Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1270 ~ 1320 DEG C, is incubated 3 ~ 5h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 350 ~ 380MPa.
Embodiment
9
A kind of method of kyanite synthesis of dichroite-mullite composite.The kyanite of 70 ~ 80wt% and the talcum of 20 ~ 30wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 64 ~ 72h, mechanical pressing under the conditions of 30 ~ 40Mpa；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1320 ~ 1370 DEG C, is incubated 2 ~ 4h, cools down with stove, obtain dichroite-mullite composite.
The present embodiment synthesis dichroite-mullite composite after testing: bulk density is 2.0 ~ 2.2g/m3, compressive resistance is 350 ~ 380MPa.
Using technique scheme, the present invention has a following good effect:
Owing to raw material of the present invention is natural crystal kyanite and talcum, and the two reserves abundance price is low, therefore resulting product low cost；Owing to raw material impurity of the present invention is few mutually, the purity of resulting product is high；Owing to the present invention uses rational calcining system fabricated in situ, the bulk density of resulting product is 1.9 ~ 2.2g/m3, compressive resistance is 320 ~ 450MPa, therefore bulk density is relatively big, and compressive resistance is high.
Therefore, the feature that the present invention has low cost, firing temperature is low and conversion ratio is high, synthesized dichroite-mullite composite impurity is less, bulk density is relatively big and compressive resistance is high.
Claims (3)
1. the method with kyanite synthesis of dichroite-mullite composite, it is characterised in that the kyanite of 60 ~ 80wt% and the talcum of 20 ~ 40wt% are loaded in ball grinder, ball milling 3 ~ 5h, crosses 180 mesh sieves, obtains compound；It is that 1 (0.03 ~ 0.04) mixes in mass ratio by compound and distilled water, expects 48 ~ 72h, mechanical pressing；Then under the conditions of 100 ~ 120 DEG C, it is dried 12 ~ 24h, under the conditions of 1220 ~ 1370 DEG C, is incubated 2-6h, cools down with stove, obtain dichroite-mullite composite；
The main chemical compositions of described kyanite is: Al2O3Content >=55wt%, SiO2Content >=35wt%, ZrO2Content >=3wt%, Fe2O3Content≤1.5wt%.
The method of kyanite synthesis of dichroite-mullite composite the most according to claim 1, it is characterised in that the main chemical compositions of described talcum is: content of MgO >=30wt%, SiO2Content >=60wt%, Fe2O3Content≤1wt%.
The method of kyanite synthesis of dichroite-mullite composite the most according to claim 1, it is characterised in that the briquetting pressure of described mechanical pressing is 20 ~ 40Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070813.8A CN103896605B (en) | 2014-02-28 | 2014-02-28 | A kind of method of kyanite synthesis of dichroite-mullite composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070813.8A CN103896605B (en) | 2014-02-28 | 2014-02-28 | A kind of method of kyanite synthesis of dichroite-mullite composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896605A CN103896605A (en) | 2014-07-02 |
| CN103896605B true CN103896605B (en) | 2016-08-17 |
Family
ID=50988235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410070813.8A Expired - Fee Related CN103896605B (en) | 2014-02-28 | 2014-02-28 | A kind of method of kyanite synthesis of dichroite-mullite composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103896605B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279884B (en) * | 2018-08-29 | 2022-02-18 | 广东金刚新材料有限公司 | High-strength cordierite-mullite ceramic roller and preparation method thereof |
| CN109305808A (en) * | 2018-10-16 | 2019-02-05 | 武汉科技大学 | A kind of anode material of lithium battery firing saggar and preparation method thereof |
| CN110204309A (en) * | 2019-06-03 | 2019-09-06 | 武汉科技大学 | One kind composite diphase material of cordierite-mullite containing zirconium and preparation method thereof |
| CN112094127B (en) * | 2020-09-25 | 2023-02-28 | 南阳开元高温新材料有限公司 | Manufacturing process of kyanite tailing series sagger |
| CN115010504B (en) * | 2022-05-11 | 2022-12-30 | 郑州大学 | Method for preparing high-strength bauxite-based mullite homogeneous material by two-step method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802333A (en) * | 2003-01-30 | 2006-07-12 | 康宁股份有限公司 | Cordierite ceramic body and method |
| CN101316642A (en) * | 2005-11-30 | 2008-12-03 | 康宁股份有限公司 | Porous cordierite ceramic honeycomb article with improved strength and method of manufacturing same |
-
2014
- 2014-02-28 CN CN201410070813.8A patent/CN103896605B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802333A (en) * | 2003-01-30 | 2006-07-12 | 康宁股份有限公司 | Cordierite ceramic body and method |
| CN101316642A (en) * | 2005-11-30 | 2008-12-03 | 康宁股份有限公司 | Porous cordierite ceramic honeycomb article with improved strength and method of manufacturing same |
Non-Patent Citations (1)
| Title |
|---|
| 莫来石-堇青石复相耐火材料的制备及机理研究;王铁军;《中国优秀硕士学位论文全文数据库（工程科技I辑）》;20080315(第3期);结论部分以及2.2、2.3、3.3部分 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103896605A (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103896605B (en) | A kind of method of kyanite synthesis of dichroite-mullite composite | |
| Chen et al. | Mullite whisker network reinforced ceramic with high strength and lightweight | |
| CN102276276B (en) | Alumina hollow ball insulation product | |
| CN102030545A (en) | MgAl2O4-CaAl12O19 composite-phase high-temperature resistant material and preparation method thereof | |
| Lian et al. | Effect of in situ synthesized SiC whiskers and mullite phases on the thermo-mechanical properties of Al2O3–SiC–C refractories | |
| Ren et al. | Mechanism of low temperature sintered high-strength ferric-rich ceramics using bauxite tailings | |
| CN103864407A (en) | Pyroxene ceramic and preparation method thereof | |
| CN104671805B (en) | A kind of crusting resistant pouring material and preparation method thereof | |
| CN104355638B (en) | A kind of refractory material, its preparation method and refractory brick | |
| CN103708841A (en) | High strength and high thermal shock alumina bubble brick and preparation method thereof | |
| CN102351522A (en) | Method for preparing homogeneous mullite material from kyanite | |
| CN103408297A (en) | Calcium hexaluminate-mullite composite material and preparation method thereof | |
| CN103539465A (en) | High-performance magnesia-carbon brick and production method thereof | |
| CN102329143B (en) | Anti-skinning unshaped refractory material made of magnesium aluminate spinel used for cement kiln and preparation method and application of anti-skinning unshaped refractory material | |
| CN103626505A (en) | High-temperature andalusite push plate and preparation method | |
| CN103011870A (en) | Forsterite refractory and production method thereof | |
| CN107954710A (en) | A kind of carborundum combination titanium calcium aluminate multiple phase refractory material and preparation method thereof | |
| CN107140950A (en) | A kind of preparation method of sucrose combination MgO C fire resistant materials | |
| Kumar et al. | Low temperature synthesis of high alumina cements by gel‐trapped Co‐precipitation process and their implementation as castables | |
| Wu et al. | Preparation and performance study of mullite/Al2O3 composite ceramics for solar thermal transmission pipeline | |
| CN103524137A (en) | Magnesium carbon brick for steel-making converter and steel ladle, and preparation method of magnesium carbon brick | |
| CN105036167A (en) | Calcium hexaluminate and preparation method thereof | |
| CN105859297A (en) | Silicon carbide composite refractory material and preparation method thereof | |
| CN102603313A (en) | Anorthite-mullite complex-phase high-temperature resistant material and preparation method thereof | |
| CN102850044B (en) | Light cordierite-spinel castable and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170228 |