CN108546123A - A kind of zirconic acid calcium material and preparation method thereof with high-purity - Google Patents
A kind of zirconic acid calcium material and preparation method thereof with high-purity Download PDFInfo
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- CN108546123A CN108546123A CN201810840156.9A CN201810840156A CN108546123A CN 108546123 A CN108546123 A CN 108546123A CN 201810840156 A CN201810840156 A CN 201810840156A CN 108546123 A CN108546123 A CN 108546123A
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Abstract
The invention discloses a kind of zirconic acid calcium materials with high-purity, including below according to the raw material of parts by weight：2 10 parts of calcium hydroxide, 15 50 parts of lime stone, 50 120 parts of zirconium oxide, 20 50 parts of modification dolomite, 8 30 parts of silicon powder.The invention also discloses the preparation methods of the zirconic acid calcium material with high-purity.The purity of zirconic acid calcium material prepared by the present invention is high, crystalline form physically well develops, the present invention cooperates with dual sintering processes by adding modification dolomite, calcium hydroxide and silicon powder, plays synergistic effect, zirconic acid calcium transformation ratio can be effectively improved, and then the purity of product is improved, meanwhile, the grain size of the zirconic acid calcium material of production is good, the physical property and electric property for effectively increasing material, have a vast market foreground.
Description
Technical field
It is specifically a kind of with the zirconic acid calcium material of high-purity and its preparation side the present invention relates to technical field of inorganic material
Method.
Background technology
In recent years, with the continuous development of science and technology, more and more new materials are used to prepare in electronic component, are promoted
Mobile communication and portable terminal just develop towards lightweight, miniaturization, integrated, high reliability and inexpensive direction.Its
In, calcium zirconate is a kind of new inorganic material with unique electrical performance, can be used for the excellent circuit components of processability,
Device volume can be effectively reduced, realizes that component develops to miniaturization, integrated, high reliability and inexpensive direction.
Currently, sintering synthetic method is a kind of common preparation method of calcium zirconate, production cost is relatively low, is suitble to scale metaplasia
Production, still, the calcium zirconate conversion ratio of traditional sintering synthetic method is relatively low, and lower solid phase reaction temperature leads to zirconic acid calcium transformation ratio
It is relatively low, and then the purity of product is affected, meanwhile, the grain growth of the calcium zirconate of production is incomplete, has seriously affected calcium zirconate
The physical property and electric property of material, and then it is unfavorable for the excellent circuit components of processability.Therefore, design one kind has
The zirconic acid calcium material of high-purity, becomes current problem to be solved.
Invention content
The purpose of the present invention is to provide a kind of zirconic acid calcium material and preparation method thereof with high-purity, it is above-mentioned to solve
The problem of being proposed in background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：2-10 parts of calcium hydroxide, stone
15-50 parts of lime stone, 50-120 parts of zirconium oxide, 20-50 parts of modification dolomite, 8-30 parts of silicon powder；Wherein, the modification dolomite
Preparation method be to weigh suitable dolomite to crush into 100-300 mesh powders, 2-10 times of aforementioned powder volume is added
Deionized water be uniformly mixed, be then placed in microwave reactor and carry out microwave treatment, 200-400 is ground to after dry
Mesh is to get the modification dolomite.
As a further solution of the present invention：Including below according to the raw material of parts by weight：4-7 parts of calcium hydroxide, lime stone
20-40 parts, 70-100 parts of zirconium oxide, 30-40 parts of modification dolomite, 10-20 parts of silicon powder.
As further scheme of the invention：Including below according to the raw material of parts by weight：6 parts of calcium hydroxide, lime stone
28 parts, 84 parts of zirconium oxide, 37 parts of modification dolomite, 14 parts of silicon powder.
As further scheme of the invention：The radiated time of the microwave treatment is 4-12min；The microwave treatment
Power be 80-180W.
As further scheme of the invention：The calcium hydroxide, lime stone, zirconium oxide and silicon powder are industry
It is pure, and granularity is respectively less than 10 μm.
The preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 40-100 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 4-12h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min and is sintered 6h, in removing
Layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture≤2%, then be warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and be sintered 9h, sintering knot
After beam remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Product is effectively increased by dual sintering
Conversion ratio.
As further scheme of the invention：In step 3), the briquetting pressure 60MPa of the dry-press process.
As further scheme of the invention：In step 4), the pressure of the friction press is 300-400T, and is added
Press number 4-8 times；Temperature when the famine base is dried is 120-160 DEG C.
Application of the zirconic acid calcium material with high-purity in preparing high-purity zirconic acid calcium product.
Compared with prior art, the beneficial effects of the invention are as follows：
The purity of zirconic acid calcium material prepared by the present invention is high, and crystalline form is physically well developed, mutually constituted with 120 ° between three particles
Angle crystal boundary, the present invention cooperate with dual sintering processes by adding modification dolomite, calcium hydroxide and silicon powder, play association
With the effect of synergy, zirconic acid calcium transformation ratio can be effectively improved, and then improve the purity of product, meanwhile, the calcium zirconate material of production
The grain size of material is good, effectively increases the physical property and electric property of material, has a vast market foreground.
Specific implementation mode
Technical scheme of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：2 parts of calcium hydroxide, lime
15 parts of stone, 50 parts of zirconium oxide, 20 parts of modification dolomite, 8 parts of silicon powder；Wherein, the preparation method of the modification dolomite is to claim
Suitable dolomite is taken to crush into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 2
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：10 parts of calcium hydroxide, lime
50 parts of stone, 120 parts of zirconium oxide, 50 parts of modification dolomite, 30 parts of silicon powder；Wherein, the preparation method of the modification dolomite is
It weighs suitable dolomite and crushes into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 3
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：6 parts of calcium hydroxide, lime
32.5 parts of stone, 85 parts of zirconium oxide, 35 parts of modification dolomite, 19 parts of silicon powder；Wherein, the preparation method of the modification dolomite is
It weighs suitable dolomite and crushes into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 4
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：4 parts of calcium hydroxide, lime
20 parts of stone, 70 parts of zirconium oxide, 30 parts of modification dolomite, 10 parts of silicon powder；Wherein, the preparation method of the modification dolomite is to claim
Suitable dolomite is taken to crush into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 5
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：7 parts of calcium hydroxide, lime
40 parts of stone, 100 parts of zirconium oxide, 40 parts of modification dolomite, 20 parts of silicon powder；Wherein, the preparation method of the modification dolomite is
It weighs suitable dolomite and crushes into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 6
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：5.5 parts of calcium hydroxide, stone
30 parts of lime stone, 85 parts of zirconium oxide, 35 parts of modification dolomite, 15 parts of silicon powder；Wherein, the preparation method of the modification dolomite is
It weighs suitable dolomite and crushes into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Embodiment 7
A kind of zirconic acid calcium material with high-purity, including below according to the raw material of parts by weight：6 parts of calcium hydroxide, lime
28 parts of stone, 84 parts of zirconium oxide, 37 parts of modification dolomite, 14 parts of silicon powder；Wherein, the preparation method of the modification dolomite is to claim
Suitable dolomite is taken to crush into 200 mesh powders, the deionized water that 6 times of aforementioned powder volume is added mix
It is even, it is then placed in microwave reactor and carries out microwave treatment, 300 mesh are ground to get the modification dolomite after dry；It is described
The radiated time of microwave treatment is 8min；The power of the microwave treatment is 130W；The calcium hydroxide, lime stone, zirconium oxide
It is technical pure with silicon powder, and granularity is 8 μm.
In the present embodiment, the preparation method of the zirconic acid calcium material with high-purity, steps are as follows：
1) calcium hydroxide and silicon powder are weighed according to parts by weight, is sent into ball mill is milled to granularity altogether after mixing
For 70 mesh, mixture A is obtained；
2) the mixture A obtained in step 1) is heated to 500 under carbon dioxide atmosphere with the heating rate of 2 DEG C/min
DEG C, 8h is then kept the temperature, mixture B is cooled to room temperature to obtain；
3) lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, adds in step 2) and obtains
Mixture B, after mixing be sent into ball mill in using ethyl alcohol be medium progress ball milling 2h, then dried and ground, with
Glycerine is that bonding agent carries out dry-press process with the briquetting pressure of 60MPa, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min
It is sintered 6h, removes upper layer dross, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4) the mixture C obtained in step 3) is pressed into waste base using friction press, then by waste base be dried to
Residual moisture is 1.5%, then is warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and is sintered 9h, sintering
After remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get；Production is effectively increased by dual sintering
The conversion ratio of product；Wherein, the pressure of the friction press is 350T, and the number 6 times of pressurizeing；When the famine base is dried
Temperature is 140 DEG C.
Comparative example 1
Compared with Example 7, calcium hydroxide and silicon powder are free of, other are same as Example 7.
Comparative example 2
Compared with Example 7, modification dolomite is free of, other are same as Example 7.
Comparative example 3
Compared with Example 7, modification dolomite, calcium hydroxide and silicon powder are free of, other are same as Example 7.
Performance test
The zirconic acid calcium material of the preparation of embodiment 7 and comparative example 1-3 is detected, testing result is as shown in table 1.
As can be seen that the present invention is micro- by adding calcium hydroxide and silicon from data comparison of the embodiment 7 with comparative example 1
Powder can effectively improve zirconic acid calcium transformation ratio；It is added from can be seen that the present invention in the data comparison of embodiment 7 and comparative example 2
Modification dolomite can effectively improve zirconic acid calcium transformation ratio；In addition, can be with from the data comparison of embodiment 7 and comparative example 1-3
Find out, the present invention is cooperated by modification dolomite, calcium hydroxide and silicon powder, plays synergistic effect, can
Further effectively improve zirconic acid calcium transformation ratio.
1 testing result table of table
| Group | Zirconic acid calcium transformation ratio | Grain size |
| Embodiment 7 | 97% | 7μm |
| Comparative example 1 | 86% | 5μm |
| Comparative example 2 | 84% | 4μm |
| Comparative example 3 | 80% | 6μm |
As can be seen that the purity of zirconic acid calcium material prepared by the present invention is high from result above, crystalline form physically well develops, three
Isogonism crystal boundary mutually is constituted with 120 ° between grain, the present invention cooperates with double by adding modification dolomite, calcium hydroxide and silicon powder
Weight sintering processes, play synergistic effect, can effectively improve zirconic acid calcium transformation ratio, and then improve the purity of product,
Meanwhile the grain size of the zirconic acid calcium material of production is good, effectively increases the physical property and electric property of material, has wide
Market prospects.
The better embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be without departing from the purpose of the present invention
Various changes can be made.There is no necessity and possibility to exhaust all the enbodiments.And it thus amplifies out apparent
Variation or variation be still in the protection scope of this invention.
Claims (10)
1. a kind of zirconic acid calcium material with high-purity, which is characterized in that including below according to the raw material of parts by weight：Calcium hydroxide
2-10 parts, 15-50 parts of lime stone, 50-120 parts of zirconium oxide, 20-50 parts of modification dolomite, 8-30 parts of silicon powder；Wherein, described
The preparation method of modification dolomite is to weigh suitable dolomite to crush into 100-300 mesh powders, and aforementioned powder is added
The deionized water of 2-10 times of volume is uniformly mixed, and is then placed in microwave reactor and is carried out microwave treatment, is ground after dry
To 200-400 mesh to get the modification dolomite.
2. the zirconic acid calcium material according to claim 1 with high-purity, which is characterized in that including below according to parts by weight
Raw material：4-7 parts of calcium hydroxide, 20-40 parts of lime stone, 70-100 parts of zirconium oxide, 30-40 parts of modification dolomite, silicon powder 10-
20 parts.
3. the zirconic acid calcium material according to claim 2 with high-purity, which is characterized in that including below according to parts by weight
Raw material：6 parts of calcium hydroxide, 28 parts of lime stone, 84 parts of zirconium oxide, 37 parts of modification dolomite, 14 parts of silicon powder.
4. the zirconic acid calcium material according to claim 1 with high-purity, which is characterized in that the radiation of the microwave treatment
Time is 4-12min；The power of the microwave treatment is 80-180W.
5. the zirconic acid calcium material according to claim 1 or 2 or 3 with high-purity, which is characterized in that the hydroxide
Calcium, lime stone, zirconium oxide and silicon powder are technical pure, and granularity is respectively less than 10 μm.
6. a kind of preparation method of the zirconic acid calcium material according to any one of claims 1 to 5 with high-purity, which is characterized in that
Steps are as follows：
1）Calcium hydroxide and silicon powder are weighed according to parts by weight, being milled to granularity altogether in feeding ball mill after mixing is
40-100 mesh obtains mixture A；
2）By step 1）In obtained mixture A be heated to 500 DEG C under carbon dioxide atmosphere with the heating rate of 2 DEG C/min,
Then 4-12h is kept the temperature, mixture B is cooled to room temperature to obtain；
3）Lime stone, zirconium oxide and modification dolomite are weighed according to parts by weight to be uniformly mixed, and add step 2）In obtain it is mixed
Material B is closed, it is medium progress ball milling 2h to be sent into after mixing in ball mill using ethyl alcohol, is then dried and is ground, with the third three
Alcohol is that bonding agent carries out dry-press process, then is warming up to 1480 DEG C with the heating rate of 5 DEG C/min and is sintered 6h, and it is floating to remove upper layer
Slag, crushing grinding obtains mixture C to 20 μm again after being cooled to room temperature；
4）By step 3）In obtained mixture C waste base is pressed into using friction press, then waste base is dried to remnants
Moisture≤2%, then be warming up to 1680 DEG C with the heating rate of 6 DEG C/min under the conditions of 10MPa and be sintered 9h, after sintering
Remove upper layer dross, with the rate of temperature fall of 2 DEG C/min be down to room temperature to get.
7. the preparation method of the zirconic acid calcium material according to claim 6 with high-purity, which is characterized in that step 3）
In, the briquetting pressure 60MPa of the dry-press process.
8. the preparation method of the zirconic acid calcium material according to claim 6 with high-purity, which is characterized in that step 4）
In, the pressure of the friction press is 300-400T, and number 4-8 times of pressurizeing.
9. the preparation method of the zirconic acid calcium material according to claim 8 with high-purity, which is characterized in that step 4）
In, the temperature when famine base is dried is 120-160 DEG C.
10. a kind of zirconic acid calcium material according to any one of claims 1 to 5 with high-purity is preparing high-purity zirconic acid calcium product
In application.
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