CN107721457A - A kind of preparation method of environment-friendly type porous ceramics - Google Patents
A kind of preparation method of environment-friendly type porous ceramics Download PDFInfo
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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Abstract
The present invention relates to a kind of preparation method of environment-friendly type porous ceramics, comprise the following steps：(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio, obtains solid mixture；(3) solid mixture is calcined at 900 1000 DEG C, calcination time is that 2h obtains calcined product, and calcined product ball mill grinding is obtained into calcined powder；(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.The porous ceramics of the present invention, preparation method is simple, and the degree of communication between hole is high, and production is environment friendly and pollution-free.
Description
Technical field
The present invention relates to new material technology field, and in particular to a kind of preparation method of environment-friendly type porous ceramics.
Background technology
Porous ceramics has the performance for having very much uniqueness, its internal three-dimensional structure with uniqueness, due to depositing for inner void
Porous material is compared with dense material, and its peculiar property is mainly reflected in low-density and high surface area.According to porous material
Framework material, ceramic chemical property is more stable, can at a higher temperature use, will not melt, sinter or reflect.
Therefore in many application scenarios, porous ceramics has irreplaceable low level.At present, porous ceramics, especially high-voidage are prepared
Rate, high degree of communication, the porous ceramics of uniform pore diameter still lack a kind of low cost, and degree of controllability is high, resistant to elevated temperatures technology.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of environment-friendly type porous ceramics
Preparation method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of preparation method of environment-friendly type porous ceramics, bag
Include following steps：
(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；The preset weight ratio is 5:2；
(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio,
Obtain solid mixture；The preset ratio is 7:2:3:1:1；
(3) solid mixture is calcined at 900-1000 DEG C, calcination time is that 2h obtains calcined product, will
Calcined product ball mill grinding obtains calcined powder；
(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；
(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；
(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.
The beneficial effects of the invention are as follows：The porous ceramics of the present invention, preparation method is simple, and the degree of communication between hole is high,
Produce environment friendly and pollution-free.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, a diameter of 50-150 μm of the wood-fibred.
Further, the mass ratio of the calcined powder and solvent mixture is 4:1.
Further, the particle diameter of the calcined powder is 80 mesh.
Further, the heating evaporation temperature in step (5) is 100-150 DEG C, and the heating evaporation time is 1-2h.
Further, the heating-up temperature in step (6) is 200-300 DEG C, heat time 1-2h；The high temperature sintering temperature
For 700-1200 DEG C, the high temperature sintering time is 0.5-2h.
Further, the porosity of the environmentally friendly porous ceramics is 40%-50%.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of preparation method of environment-friendly type porous ceramics of the present embodiment, comprises the following steps：
(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；
(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio,
Obtain solid mixture；
(3) solid mixture is calcined at 900 DEG C, calcination time is that 2h obtains calcined product, will be calcined
Product ball mill grinding obtains calcined powder；
(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；
(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；
(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.
The porous ceramics of the present embodiment, preparation method is simple, and the degree of communication between hole is high, and production is environment friendly and pollution-free.
A diameter of 50 μm of the wood-fibred of the present embodiment.
The mass ratio of the calcined powder and solvent mixture of the present embodiment is 4:1.
The particle diameter of the calcined powder of the present embodiment is 80 mesh.
Heating evaporation temperature in the present embodiment step (5) is 100 DEG C, and the heating evaporation time is 1h.
Heating-up temperature in the present embodiment step (6) is 200 DEG C, heat time 1h；The high temperature sintering temperature is 700
DEG C, the high temperature sintering time is 0.5h.
The porosity of the environmentally friendly porous ceramics of the present embodiment is 40%.
Embodiment 2
A kind of preparation method of environment-friendly type porous ceramics of the present embodiment, comprises the following steps：
(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；
(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio,
Obtain solid mixture；
(3) solid mixture is calcined at 950 DEG C, calcination time is that 2h obtains calcined product, will be calcined
Product ball mill grinding obtains calcined powder；
(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；
(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；
(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.
The porous ceramics of the present embodiment, preparation method is simple, and the degree of communication between hole is high, and production is environment friendly and pollution-free.
A diameter of 100 μm of the wood-fibred of the present embodiment.
The mass ratio of the calcined powder and solvent mixture of the present embodiment is 4:1.
The particle diameter of the calcined powder of the present embodiment is 80 mesh.
Heating evaporation temperature in the present embodiment step (5) is 120 DEG C, and the heating evaporation time is 1.5h.
Heating-up temperature in the present embodiment step (6) is 250 DEG C, heat time 1-2h；The high temperature sintering temperature is
1000 DEG C, the high temperature sintering time is 1h.
The porosity of the environmentally friendly porous ceramics of the present embodiment is 45%.
Embodiment 3
A kind of preparation method of environment-friendly type porous ceramics of the present embodiment, comprises the following steps：
(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；
(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio,
Obtain solid mixture；
(3) solid mixture is calcined at 1000 DEG C, calcination time is that 2h obtains calcined product, will be calcined
Product ball mill grinding obtains calcined powder；
(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；
(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；
(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.
The porous ceramics of the present embodiment, preparation method is simple, and the degree of communication between hole is high, and production is environment friendly and pollution-free.
A diameter of 150 μm of the wood-fibred of the present embodiment.
The mass ratio of the calcined powder and solvent mixture of the present embodiment is 4:1.
The particle diameter of the calcined powder of the present embodiment is 80 mesh.
Heating evaporation temperature in the present embodiment step (5) is 150 DEG C, and the heating evaporation time is 2h.
Heating-up temperature in the present embodiment step (6) is 300 DEG C, heat time 2h；The high temperature sintering temperature is
1200 DEG C, the high temperature sintering time is 2h.
The porosity of the environmentally friendly porous ceramics of the present embodiment is 50%.
The environmentally friendly porous ceramics being prepared using the preparation method of the present embodiment 1-3 environment-friendly type porous ceramics, have compared with
High porosity, and intensity is preferable.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of preparation method of environment-friendly type porous ceramics, it is characterised in that comprise the following steps：
(1) acetone and water are mixed by preset weight ratio, obtains solvent mixture；
(2) silica, alundum (Al2O3), di-iron trioxide, carborundum and wood-fibred are mixed by preset ratio, obtained
Solid mixture；
(3) solid mixture is calcined at 900-1000 DEG C, calcination time is that 2h obtains calcined product, will be calcined
Product ball mill grinding obtains calcined powder；
(4) calcined powder is evenly spread in solvent mixture, ceramic slurry is made；
(5) ceramic slurry is subjected to heating evaporation, forms ceramic green；
(6) to the ceramic green heat simultaneously high temperature sintering, form environment-friendly type porous ceramics.
A kind of 2. preparation method of environment-friendly type porous ceramics according to claim 1, it is characterised in that the wood-fibred it is straight
Footpath is 50-150 μm.
A kind of 3. preparation method of environment-friendly type porous ceramics according to claim 1 or claim 2, it is characterised in that the calcining powder
The mass ratio of end and solvent mixture is 4:1.
A kind of 4. preparation method of environment-friendly type porous ceramics according to claim 1 or claim 2, it is characterised in that the calcining powder
The particle diameter at end is 80 mesh.
5. the preparation method of a kind of environment-friendly type porous ceramics according to claim 1 or claim 2, it is characterised in that in step (5)
Heating evaporation temperature is 100-150 DEG C, and the heating evaporation time is 1-2h.
6. the preparation method of a kind of environment-friendly type porous ceramics according to claim 1 or claim 2, it is characterised in that in step (6)
Heating-up temperature is 200-300 DEG C, heat time 1-2h；The high temperature sintering temperature is 700-1200 DEG C, the high temperature sintering time
For 0.5-2h.
7. the preparation method of a kind of environment-friendly type porous ceramics according to claim 1 or claim 2, it is characterised in that the environmental protection is more
The porosity of hole ceramics is 40%-50%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711129421.4A CN107721457A (en) | 2017-11-15 | 2017-11-15 | A kind of preparation method of environment-friendly type porous ceramics |
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| CN201711129421.4A CN107721457A (en) | 2017-11-15 | 2017-11-15 | A kind of preparation method of environment-friendly type porous ceramics |
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| CN107721457A true CN107721457A (en) | 2018-02-23 |
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| CN201711129421.4A Withdrawn CN107721457A (en) | 2017-11-15 | 2017-11-15 | A kind of preparation method of environment-friendly type porous ceramics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133978A (en) * | 2018-08-31 | 2019-01-04 | 王召惠 | A kind of preparation method of high intensity high thermal conductivity porous ceramics |
| CN111620678A (en) * | 2020-05-27 | 2020-09-04 | 新化县群华陶瓷科技有限公司 | Organic composite porous ceramic material and preparation method thereof |
-
2017
- 2017-11-15 CN CN201711129421.4A patent/CN107721457A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133978A (en) * | 2018-08-31 | 2019-01-04 | 王召惠 | A kind of preparation method of high intensity high thermal conductivity porous ceramics |
| CN111620678A (en) * | 2020-05-27 | 2020-09-04 | 新化县群华陶瓷科技有限公司 | Organic composite porous ceramic material and preparation method thereof |
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