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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Abstract
The invention discloses a basalt fiber reinforced porous ceramic product which comprises the following components in percentage by weight: 50 to 57 percent of coal ore, 40 to 49 percent of pore forming agent, 0.1 to 2 percent of sintering modifier and 0.1 to 5 percent of basalt fiber. A method for preparing the basalt fiber reinforced porous ceramic product by using coal ore comprises the following steps of: crushing the coal ore, the pore forming agent and the sintering modifier and mixing, wet ball-milling, adding the basalt fiber into the mixture, continuously stirring, modeling and drying, and sintering in a tunnel kiln with controllable temperature field by adopting a compaction-free sintering process to generate the lightweight basalt fiber reinforced ceramic product with uniform closed micropores. The mechanical property and the durability of the porous ceramic material are improved, the sources of the raw materials are wide, the product can be applied to building walls, can realize energy conservation and heat insulation, comprehensive resource utilization is realized, and uniformity and stability of product performance are ensured.
Description
Technical field
The present invention relates to a kind of ceramic, particularly a kind of basalt fibre strengthens porous ceramic articles and utilizes coal ore to prepare the method for these goods.
Background technology
The patent No. is that the patent of CN200410026753.6 has been announced a kind of method for preparing the light ceramics plate, and the adding loss on ignition is 10%～15% swollen stone flour in raw mineral materials, makes the inner pore that forms of adobe, and making density is 0.7～0.9g/cm3 light material.But porous ceramic film material generally has the shortcoming that toughness is low, fragility is big, easy to crack, has limited the range of application of this type of material.
Summary of the invention
The object of the present invention is to provide a kind of basalt fibre enhancing porous ceramic articles and utilize coal ore to prepare the method for these goods.
The technical solution that realizes the object of the invention is: a kind of basalt fibre strengthens porous ceramic articles, and this material comprises following component by weight percentage:
Coal ore 50%～57%
Pore-forming material 40%～49%
Burn till modifying agent 0.1%～2%
Basalt fibre 0.1%～5%
Utilize coal ore to prepare the method that basalt fibre strengthens porous ceramic articles, this method is: with coal ore, pore-forming material, burn till that modifying agent is broken to be mixed, wet ball grinding, then basalt fibre is added and continue in the mixture to stir, shaping and drying, adopt no pressed compact sintering process, in the tunnel furnace of temperature controllable field, fire, generate the lightweight basalt fibre that contains even closed porosity and strengthen ceramic.
The present invention compared with prior art, its remarkable advantage: the present invention has adopted basalt fibre enhancement techniques cheaply, give full play to the enhancing of basalt fibre in material structure, effect is split in toughness reinforcing and resistance, has improved the mechanical property and the weather resistance of porous ceramic film material.Starting material wide material sources of the present invention use a large amount of coal ore, and goods can be used for construction wall, realize energy-saving heat preserving.The present invention has not only solved the problem of environmental pollution of coal ore, and has realized comprehensive utilization of resources.The present invention adopts temperature controllable field tunnel furnace technology, stablizes control kiln temperature field and heat flow field, has guaranteed the homogeneity and the stability of product properties.
Embodiment
Basalt fibre of the present invention strengthens porous ceramic articles, and this material comprises following component by weight percentage:
Coal ore 50%～57%
Pore-forming material 40%～49%
Burn till modifying agent 0.1%～2%
Basalt fibre 0.1%～5%
In above-mentioned each component, pore-forming material is Wingdale, rhombspar and potter's clay.Burning till modifying agent is fine silica powder.Fiber is a basalt fibre, and staple length is 2mm～15mm, and Fibre diameter is 10 μ m-40 μ m.
Preparing the method that basalt fibre of the present invention strengthens porous ceramic articles is: with coal ore, pore-forming material, burn till that modifying agent is broken to be mixed, wet ball grinding 16 hours-24 hours, then basalt fibre is added and continue in the mixture to stir 5 minutes～10 minutes, shaping and drying, adopt no pressed compact sintering process, in the tunnel furnace of temperature controllable field, fire, generate the lightweight basalt fibre that contains even closed porosity and strengthen ceramic through 1100 ℃-1250 ℃.
In above-mentioned preparation method, calcination equipment is a temperature controllable field tunnel furnace, adopts the homogeneous and controllable of the method realization kiln temperature of thermocouple temperature measurement and automatic regulate fuel flow.
Further specify the present invention below in conjunction with embodiment, the invention is not restricted to these embodiment.
Embodiment 1
Choose coal ore 52%, Wingdale 7%, rhombspar 13%, potter's clay 28% adds 0.5% fine silica powder, the broken mixing, ball milling 24 hours adds and continues behind 0.5% basalt fibre to stir 8 minutes, through drying-granulating, through 1170 ℃ of no pressed compact sintering, the stupalith goods unit weight after the cold working is 0.48g/cm3 in tunnel furnace, and ultimate compression strength is greater than 25MPa, each freeze thawing is 3 hours in-20 ℃～20 ℃ water, 5 circulations do not have the phenomenon of damage, prove that its frost resistance is good.
Embodiment 2
Choose coal ore 52%, Wingdale 7%, rhombspar 13%, potter's clay 28% adds 0.5% fine silica powder, the broken mixing, ball milling 24 hours adds and continues behind 5% basalt fibre to stir 8 minutes, through drying-granulating, through 1170 ℃ of no pressed compact sintering, the stupalith goods unit weight after the cold working is 0.46g/cm3 in tunnel furnace, and ultimate compression strength is greater than 35MPa, each freeze thawing is 6 hours in-20 ℃～20 ℃ water, 10 circulations do not have the phenomenon of damage, prove that its frost resistance is good.
Embodiment 3
Choose coal ore 57%, Wingdale 6%, rhombspar 12%, potter's clay 25% adds 0.5% fine silica powder, the broken mixing, ball milling 24 hours adds and continues behind 0.5% basalt fibre to stir 8 minutes, through drying-granulating, through 1170 ℃ of no pressed compact sintering, the stupalith goods unit weight after the cold working is 0.55g/cm3 in tunnel furnace, and ultimate compression strength is greater than 28MPa, each freeze thawing is 6 hours in-20 ℃～20 ℃ water, 10 circulations do not have the phenomenon of damage, prove that its frost resistance is good.
Embodiment 4
Choose coal ore 57%, Wingdale 6%, rhombspar 12%, potter's clay 25% adds 0.5% fine silica powder, the broken mixing, ball milling 24 hours adds and continues behind 5% basalt fibre to stir 8 minutes, through drying-granulating, through 1170 ℃ of no pressed compact sintering, the stupalith goods unit weight after the cold working is 0.55g/cm3 in tunnel furnace, and ultimate compression strength is greater than 38MPa, each freeze thawing is 6 hours in-20 ℃～20 ℃ water, 10 circulations do not have the phenomenon of damage, prove that its frost resistance is good.
Claims (7)
1. a basalt fibre strengthens porous ceramic articles, and it is characterized in that: this material comprises following component by weight percentage:
Coal ore 50%～57%
Pore-forming material 40%～49%
Burn till modifying agent 0.1%～2%
Basalt fibre 0.1%～5%
2. basalt fibre according to claim 1 strengthens porous ceramic articles, and it is characterized in that: wherein pore-forming material is Wingdale, rhombspar and potter's clay.
3. basalt fibre according to claim 1 strengthens porous ceramic articles, and it is characterized in that: wherein burning till modifying agent is fine silica powder.
4. basalt fibre according to claim 1 strengthens porous ceramic articles, and it is characterized in that: wherein basalt fibre length is 2mm～15mm, and Fibre diameter is 10 μ m-40 μ m.
5. utilize coal ore to prepare the method that basalt fibre strengthens porous ceramic articles, it is characterized in that this method is: with coal ore, pore-forming material, burn till that modifying agent is broken to be mixed, wet ball grinding, then basalt fibre is added and continue in the mixture to stir, shaping and drying, adopt no pressed compact sintering process, in the tunnel furnace of temperature controllable field, fire, generate the lightweight basalt fibre that contains even closed porosity and strengthen ceramic.
6. the coal ore of utilizing according to claim 5 prepares the method that basalt fibre strengthens porous ceramic articles, and it is characterized in that: the wet ball grinding time is 16 hours-24 hours, and churning time is 5 minutes～10 minutes.
7. the coal ore of utilizing according to claim 5 prepares the method that basalt fibre strengthens porous ceramic articles, and it is characterized in that: firing temperature is 1100 ℃-1250 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101504981A CN102050636A (en) | 2010-04-20 | 2010-04-20 | Basalt fiber reinforced porous ceramic product and method for preparing same by using coal ore |
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| CN2010101504981A CN102050636A (en) | 2010-04-20 | 2010-04-20 | Basalt fiber reinforced porous ceramic product and method for preparing same by using coal ore |
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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 |
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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 | Novel light high-porosity ceramic filter material and preparation method thereof |
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Application publication date: 20110511 |