CN102050636A - Basalt fiber reinforced porous ceramic product and method for preparing same by using coal ore - Google Patents
Basalt fiber reinforced porous ceramic product and method for preparing same by using coal ore Download PDFInfo
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- CN102050636A CN102050636A CN2010101504981A CN201010150498A CN102050636A CN 102050636 A CN102050636 A CN 102050636A CN 2010101504981 A CN2010101504981 A CN 2010101504981A CN 201010150498 A CN201010150498 A CN 201010150498A CN 102050636 A CN102050636 A CN 102050636A
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000010304 firing Methods 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 7
- 239000003607 modifier Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000011226 reinforced ceramic Substances 0.000 abstract description 3
- 238000000498 ball milling Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 235000019738 Limestone Nutrition 0.000 description 5
- 239000010459 dolomite Substances 0.000 description 5
- 229910000514 dolomite Inorganic materials 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003361 porogen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明公开了一种玄武岩纤维增强多孔陶瓷制品，按重量百分比该材料包括以下组分：50％～57％的煤矿石，40％～49％的造孔剂，0.1％～2％的烧成改良剂，0.1％～5％的玄武岩纤维，利用煤矿石制备玄武岩纤维增强多孔陶瓷制品的方法为：将煤矿石、造孔剂、烧成改良剂破碎混合，湿法球磨，然后将玄武岩纤维加入混合物中继续搅拌，成型干燥，采用无压坯烧结工艺，在可控温场的隧道窑内烧制，生成含均匀封闭微孔的轻质玄武岩纤维增强陶瓷制品。本发明提高了多孔陶瓷材料的力学性能和耐久性，原材料来源广泛，制品可用于建筑墙体，实现节能保温，而且实现了资源化综合利用并且保证了制品性能的均一性和稳定性。The invention discloses a basalt fiber reinforced porous ceramic product. The material comprises the following components by weight percentage: 50% to 57% of coal ore, 40% to 49% of pore-forming agent, and 0.1% to 2% of fired Improver, 0.1% to 5% basalt fiber, the method of using coal ore to prepare basalt fiber reinforced porous ceramic products is: crushing and mixing coal ore, pore-forming agent, and firing modifier, wet ball milling, and then adding basalt fiber Stirring is continued in the mixture, the molding is dried, and the non-compact sintering process is adopted, and fired in a tunnel kiln with a controllable temperature field to produce light-weight basalt fiber-reinforced ceramic products with uniformly closed micropores. The invention improves the mechanical properties and durability of the porous ceramic material, has wide sources of raw materials, and the product can be used for building walls, realizes energy saving and heat preservation, realizes comprehensive utilization of resources and ensures the uniformity and stability of product performance.
Description
技术领域technical field
本发明涉及一种陶瓷制品，特别是一种玄武岩纤维增强多孔陶瓷制品及利用煤矿石制备该制品的方法。 The invention relates to a ceramic product, in particular to a basalt fiber reinforced porous ceramic product and a method for preparing the product from coal ore. the
背景技术Background technique
专利号为CN200410026753.6的专利公布了一种制备轻质陶瓷板的方法，在矿物原料中加入烧失量为10％～15％的膨石粉，使砖坯内部形成气孔，制成密度为0.7～0.9g/cm3轻质材料。但多孔陶瓷材料普遍具有韧性低、脆性大、易开裂的缺点，限制了此类材料的应用范围。 Patent No. CN200410026753.6 discloses a method for preparing light-weight ceramic plates, adding puffed stone powder with an ignition loss of 10% to 15% to the mineral raw materials to form pores inside the adobe, and the density is 0.7-15%. 0.9g/cm3 lightweight material. However, porous ceramic materials generally have the disadvantages of low toughness, high brittleness, and easy cracking, which limit the application range of such materials. the
发明内容Contents of the invention
本发明的目的在于提供一种玄武岩纤维增强多孔陶瓷制品及利用煤矿石制备该制品的方法。 The object of the present invention is to provide a basalt fiber reinforced porous ceramic product and a method for preparing the product using coal ore. the
实现本发明目的的技术解决方案为：一种玄武岩纤维增强多孔陶瓷制品，按重量百分比该材料包括以下组分： The technical solution that realizes the object of the present invention is: a kind of basalt fiber reinforced porous ceramic product, this material comprises the following components by weight percentage:
煤矿石 50％～57％ Coal ore 50%～57%
造孔剂 40％～49％ Porogen 40%～49%
烧成改良剂 0.1％～2％ Burning improver 0.1%～2%
玄武岩纤维 0.1％～5％ Basalt fiber 0.1%～5%
利用煤矿石制备玄武岩纤维增强多孔陶瓷制品的方法，该方法为：将煤矿石、造孔剂、烧成改良剂破碎混合，湿法球磨，然后将玄武岩纤维加入混合物中继续搅拌，成型干燥，采用无压坯烧结工艺，在可控温场的隧道窑内烧制，生成含均匀封闭微孔的轻质玄武岩纤维增强陶瓷制品。 A method for preparing basalt fiber-reinforced porous ceramic products from coal ore, the method is: crushing and mixing coal ore, pore forming agent, and firing modifier, wet ball milling, then adding basalt fiber to the mixture to continue stirring, molding and drying, using The compact-free sintering process is fired in a tunnel kiln with a controllable temperature field to produce lightweight basalt fiber-reinforced ceramic products with uniformly closed micropores. the
本发明与现有技术相比，其显著优点：本发明采用了低成本的玄武岩纤维增强技术，充分发挥玄武岩纤维在材料结构中的增强、增韧和阻裂效应，提高了多孔陶瓷材料的力学性能和耐久性。本发明的原材料来源广泛，使用大量煤矿石，制品可用于建筑墙体，实现节能保温。本发明不仅解决了煤矿石的环境污染问题，而且实现了资源化综合利用。本发明采用可控温场隧道窑技术，稳定控制窑炉温 度场和热流场，保证了制品性能的均一性和稳定性。 Compared with the prior art, the present invention has significant advantages: the present invention adopts the low-cost basalt fiber reinforcement technology, fully exerts the reinforcement, toughening and crack resistance effects of basalt fiber in the material structure, and improves the mechanical properties of porous ceramic materials. performance and durability. The raw material of the invention has wide sources, a large amount of coal ore is used, and the finished product can be used for building walls to realize energy saving and heat preservation. The invention not only solves the environmental pollution problem of coal ore, but also realizes the comprehensive utilization of resources. The invention adopts the tunnel kiln technology with controllable temperature field to stably control the temperature field and heat flow field of the kiln to ensure the uniformity and stability of product performance. the
具体实施方式Detailed ways
本发明玄武岩纤维增强多孔陶瓷制品，按重量百分比该材料包括以下组分： The basalt fiber reinforced porous ceramic product of the present invention comprises the following components by weight percentage:
煤矿石 50％～57％ Coal ore 50%～57%
造孔剂 40％～49％ Porogen 40%～49%
烧成改良剂 0.1％～2％ Burning improver 0.1%～2%
玄武岩纤维 0.1％～5％ Basalt fiber 0.1%～5%
在上述各组分中，造孔剂为石灰石、白云石和陶土。烧成改良剂是二氧化硅微粉。纤维为玄武岩纤维，纤维长度为2mm～15mm，纤维直径为10μm-40μm。 Among the above components, the pore-forming agents are limestone, dolomite and clay. The firing improver is silica fine powder. The fiber is basalt fiber, the fiber length is 2mm-15mm, and the fiber diameter is 10μm-40μm. the
制备本发明的玄武岩纤维增强多孔陶瓷制品的方法为：将煤矿石、造孔剂、烧成改良剂破碎混合，湿法球磨16小时-24小时，然后将玄武岩纤维加入混合物中继续搅拌5分钟～10分钟，成型干燥，采用无压坯烧结工艺，在可控温场的隧道窑内经过1100℃-1250℃烧制，生成含均匀封闭微孔的轻质玄武岩纤维增强陶瓷制品。 The method for preparing the basalt fiber-reinforced porous ceramic product of the present invention is as follows: crush and mix coal ore, pore-forming agent, and firing modifier, and wet ball mill for 16 hours to 24 hours, then add basalt fiber to the mixture and continue stirring for 5 minutes~ After 10 minutes, it is molded and dried. It is fired at 1100°C-1250°C in a tunnel kiln with a controllable temperature field by using a compact-free sintering process to produce a lightweight basalt fiber-reinforced ceramic product with uniformly closed micropores. the
在上述制备方法中，烧成设备为可控温场隧道窑，采用热电偶测温和自动调节燃料流量的方法实现窑炉温度的均匀可控。 In the above preparation method, the firing equipment is a tunnel kiln with a controllable temperature field, and the temperature of the kiln is uniform and controllable by adopting the method of thermocouple temperature measurement and automatic adjustment of fuel flow. the
下面结合实施例进一步说明本发明，本发明不限于这些实施例。 Further illustrate the present invention below in conjunction with embodiment, the present invention is not limited to these embodiment. the
实施例1 Example 1
选取煤矿石52％，石灰石7％，白云石13％，陶土28％，添加0.5％二氧化硅微粉，破碎混合，球磨24小时，添加0.5％玄武岩纤维后继续搅拌8分钟，经过干燥造粒，在隧道窑内经1170℃无压坯烧结，冷加工后的陶瓷材料制品容重为0.48g/cm3，抗压强度大于25MPa，在-20℃～20℃水中各冻融3小时，5次循环，无损坏现象，证明其抗冻性优良。 Select coal ore 52%, limestone 7%, dolomite 13%, pottery clay 28%, add 0.5% silica powder, crush and mix, ball mill for 24 hours, add 0.5% basalt fiber and continue stirring for 8 minutes, after drying and granulation, Sintered in a tunnel kiln without compact at 1170°C, the bulk density of ceramic material products after cold processing is 0.48g/cm3, and the compressive strength is greater than 25MPa. Freezing and thawing in water at -20°C to 20°C for 3 hours each, 5 cycles, no damage The phenomenon proves that it has excellent frost resistance. the
实施例2 Example 2
选取煤矿石52％，石灰石7％，白云石13％，陶土28％，添加0.5％二氧化硅微粉，破碎混合，球磨24小时，添加5％玄武岩纤维后继续搅拌8分钟，经过干燥造粒，在隧道窑内经1170℃无压坯烧结，冷加工后的陶瓷材料制品容重为0.46g/cm3，抗压强度大于35MPa，在-20℃～20℃水中各冻融6小时，10次循环，无损坏现象，证明其抗冻性优良。 Select coal ore 52%, limestone 7%, dolomite 13%, clay 28%, add 0.5% silica powder, crush and mix, ball mill for 24 hours, add 5% basalt fiber and continue stirring for 8 minutes, after drying and granulation, After sintering at 1170°C in a tunnel kiln without compaction, the ceramic material product after cold processing has a bulk density of 0.46g/cm3 and a compressive strength greater than 35MPa. Freezing and thawing in water at -20°C to 20°C for 6 hours each, 10 cycles, no damage The phenomenon proves that it has excellent frost resistance. the
实施例3 Example 3
选取煤矿石57％，石灰石6％，白云石12％，陶土25％，添加0.5％二氧化硅微粉，破碎混合，球磨24小时，添加0.5％玄武岩纤维后继续搅拌8分钟，经过干燥造粒，在隧道窑内经1170℃无压坯烧结，冷加工后的陶瓷材料制品容重为0.55g/cm3，抗压强度大于28MPa，在-20℃～20℃水中各冻融6小时，10次循环，无损坏现象，证明其抗冻性优良。 Select coal ore 57%, limestone 6%, dolomite 12%, pottery clay 25%, add 0.5% silica powder, crush and mix, ball mill for 24 hours, add 0.5% basalt fiber and continue stirring for 8 minutes, after drying and granulation, Sintered in a tunnel kiln without compact at 1170°C, the bulk density of ceramic material products after cold processing is 0.55g/cm3, and the compressive strength is greater than 28MPa. Freezing and thawing in water at -20°C to 20°C for 6 hours, 10 cycles, no damage The phenomenon proves that it has excellent frost resistance. the
实施例4 Example 4
选取煤矿石57％，石灰石6％，白云石12％，陶土25％，添加0.5％二氧化硅微粉，破碎混合，球磨24小时，添加5％玄武岩纤维后继续搅拌8分钟，经过干燥造粒，在隧道窑内经1170℃无压坯烧结，冷加工后的陶瓷材料制品容重为0.55g/cm3，抗压强度大于38MPa，在-20℃～20℃水中各冻融6小时，10次循环，无损坏现象，证明其抗冻性优良。 Select coal ore 57%, limestone 6%, dolomite 12%, clay 25%, add 0.5% silica powder, crush and mix, ball mill for 24 hours, add 5% basalt fiber and continue stirring for 8 minutes, after drying and granulation, Sintered in a tunnel kiln without compact at 1170°C, the bulk density of ceramic material products after cold processing is 0.55g/cm3, and the compressive strength is greater than 38MPa. Freeze and thaw in water at -20°C to 20°C for 6 hours, 10 cycles, no damage The phenomenon proves that it has excellent frost resistance. the
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623732A (en) * | 2012-03-28 | 2012-08-01 | 郭丰亮 | Solid oxide fuel cell coated with ceramic materials strengthened by basalt fibers |
| CN102678620A (en) * | 2012-05-30 | 2012-09-19 | 郭丰亮 | Wear-resisting boiler induced-draft fan impeller |
| CN102701770A (en) * | 2012-03-27 | 2012-10-03 | 郭丰亮 | Continuous basalt fiber reinforced ceramic composite and preparation method for same |
| CN103042474A (en) * | 2012-12-07 | 2013-04-17 | 广东工业大学 | Basalt fiber-reinforced ceramic bond cubic boron nitride (CBN) grinding wheel and preparation method of basalt fiber-reinforced ceramic bond CBN grinding wheel |
| CN105130489A (en) * | 2015-08-19 | 2015-12-09 | 安徽建筑大学 | Method for preparing porous ceramic by utilizing gangue |
| CN106478077A (en) * | 2016-09-28 | 2017-03-08 | 广州凯耀资产管理有限公司 | A kind of porous thermal insulating ceramic material for building and preparation method thereof |
| CN112608130A (en) * | 2020-12-18 | 2021-04-06 | 天津大学 | Novel light high-porosity ceramic filter material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579991A (en) * | 2003-08-08 | 2005-02-16 | 江苏艺兴紫砂陶股份有限公司 | Light, heat-insulating, sound-proofing environmentally-friendly ceramic product and its manufacture process |
| CN101475400A (en) * | 2008-01-04 | 2009-07-08 | 广州锐得森特种陶瓷科技有限公司 | Floamed ceramic reinforcing fiber porous ceramic |
| CN101659543A (en) * | 2009-09-11 | 2010-03-03 | 金建福 | Zirconium-contained compound sintered ultralight inorganic material and preparation method thereof |
-
2010
- 2010-04-20 CN CN2010101504981A patent/CN102050636A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579991A (en) * | 2003-08-08 | 2005-02-16 | 江苏艺兴紫砂陶股份有限公司 | Light, heat-insulating, sound-proofing environmentally-friendly ceramic product and its manufacture process |
| CN101475400A (en) * | 2008-01-04 | 2009-07-08 | 广州锐得森特种陶瓷科技有限公司 | Floamed ceramic reinforcing fiber porous ceramic |
| CN101659543A (en) * | 2009-09-11 | 2010-03-03 | 金建福 | Zirconium-contained compound sintered ultralight inorganic material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 许顺红等: "泡沫陶瓷在环境污染治理中的应用", 《中国环保产业》, no. 3, 31 December 2008 (2008-12-31), pages 54 - 58 * |
| 马立建等: "氧化铝纤维增韧氧化铝陶瓷机理研究", 《耐火材料》, vol. 41, no. 2, 31 December 2007 (2007-12-31), pages 149 - 150 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701770A (en) * | 2012-03-27 | 2012-10-03 | 郭丰亮 | Continuous basalt fiber reinforced ceramic composite and preparation method for same |
| CN102623732A (en) * | 2012-03-28 | 2012-08-01 | 郭丰亮 | Solid oxide fuel cell coated with ceramic materials strengthened by basalt fibers |
| CN102678620A (en) * | 2012-05-30 | 2012-09-19 | 郭丰亮 | Wear-resisting boiler induced-draft fan impeller |
| CN103042474A (en) * | 2012-12-07 | 2013-04-17 | 广东工业大学 | Basalt fiber-reinforced ceramic bond cubic boron nitride (CBN) grinding wheel and preparation method of basalt fiber-reinforced ceramic bond CBN grinding wheel |
| CN103042474B (en) * | 2012-12-07 | 2015-10-07 | 广东工业大学 | A kind of basalt fibre strengthens Vitrified Bond CBN Grinding Wheel and preparation method thereof |
| CN105130489A (en) * | 2015-08-19 | 2015-12-09 | 安徽建筑大学 | Method for preparing porous ceramic by utilizing gangue |
| CN106478077A (en) * | 2016-09-28 | 2017-03-08 | 广州凯耀资产管理有限公司 | A kind of porous thermal insulating ceramic material for building and preparation method thereof |
| CN112608130A (en) * | 2020-12-18 | 2021-04-06 | 天津大学 | Novel light high-porosity ceramic filter material and preparation method thereof |
| CN112608130B (en) * | 2020-12-18 | 2022-03-15 | 天津大学 | A new type of lightweight high-porosity ceramic filter material and preparation method thereof |
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