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Ceramic processing technology

A ceramic processing and process technology, applied in the field of ceramics, can solve the problems of affecting the safety of material performance, reducing the use effect of ceramics, and high expansion coefficient of ceramics, and achieve the effects of improving thermal expansion coefficient, increasing compactness, and improving thermal expansion coefficient.

Inactive Publication Date: 2021-04-13
XUCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the material is subjected to large temperature changes, the thermal expansion coefficient directly affects the performance and safety of the material; the existing ceramic processing technology is relatively simple, and sintering aids are mostly used for sintering, and the formed ceramic has a high coefficient of expansion and reduces The effect of using ceramics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of ceramic processing technique of the present embodiment, comprises the following steps:

[0027] Step 1, modification of bentonite: add bentonite to the surface agent and stir at a low speed, the stirring speed is 50r / min, and the stirring time is 10min, then wash with water, dry, then grind to 50 mesh, and send it into the steam explosion machine Blasting treatment, the blasting pressure is 1 MPa, the blasting time is 10 minutes, then the reaction temperature is raised to 150 ° C, kept for 10 minutes, and then cooled to room temperature, that is enough;

[0028] Step 2, selection of raw materials: 35 parts of spodumene, 5 parts of modified bentonite, 2 parts of sintering aid, 1 part of siliceous clay;

[0029] Step 3, mixing of raw materials; add the raw materials in step 2 to the mixer in turn for mixing treatment, first stir at a high speed of 1200r / min for 15min, and then stir at a low speed of 300-400r / min for 35min;

[0030] Step 4, hot press calcination...

Embodiment 2

[0041] A kind of ceramic processing technique of the present embodiment, comprises the following steps:

[0042] Step 1, modification of bentonite: add bentonite to the surface agent and stir at a low speed, the stirring speed is 100r / min, and the stirring time is 20min, then wash with water, dry, then grind to 100 mesh, and send it into the steam explosion machine Blasting treatment, the blasting pressure is 3MPa, the blasting time is 20min, and then the reaction temperature is raised to 150°C, kept for 10min, and then cooled to room temperature;

[0043] Step 2, selection of raw materials: 55 parts of spodumene, 10 parts of modified bentonite, 6 parts of sintering aid, 3 parts of siliceous clay;

[0044] Step 3, mixing of raw materials; add the raw materials in step 2 to the mixer in turn for mixing treatment, first stir at a high speed of -1500r / min for 25min, and then stir at a low speed of 400r / min for 45min;

[0045] Step 4, hot press calcination treatment: put the raw ...

Embodiment 3

[0056] A kind of ceramic processing technique of the present embodiment, comprises the following steps:

[0057] Step 1, modification of bentonite: add bentonite to the surface agent and stir at a low speed, the stirring speed is 750r / min, and the stirring time is 15min, then wash with water, dry, then grind to 75 mesh, and send it into the steam explosion machine Blasting treatment, the blasting pressure is 2 MPa, the blasting time is 15 minutes, then the reaction temperature is raised to 150 ° C, kept for 10 minutes, and then cooled to room temperature, that is enough;

[0058] Step 2, selection of raw materials: 40 parts of spodumene, 7.5 parts of modified bentonite, 4 parts of sintering aid, 2 parts of siliceous clay;

[0059] Step 3, mixing of raw materials; the raw materials in step 2 are sequentially added to the mixer for mixing treatment, first stirring at a high speed of 1350r / min for 20min, and then stirring at a low speed of 350r / min for 40min;

[0060] Step 4, ho...

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PUM

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Abstract

The invention discloses a ceramic processing technology which comprises the following steps: 1, modifying bentonite: adding bentonite into a surfactant, stirring at a low speed of 50-100r / min for 10-20min, washing with water, drying, and grinding to 50-100 meshes; in ceramic processing, spodumene is used as a base material, bentonite is treated in a surface agent, then blasting treatment is carried out, wollastonite in the surface agent is inserted into the bentonite in a penetrating mode, meanwhile, the effect of wollastonite on bentonite can be improved through shell powder, and therefore in the hot-pressing calcination process, the spodumene is jointly improved through bentonite and wollastonite.

Description

technical field [0001] The invention relates to the technical field of ceramics, in particular to a ceramic processing technology. Background technique [0002] Ceramics is the general term for pottery and porcelain. Common ceramic materials are clay, alumina, kaolin and so on. Ceramic materials generally have higher hardness, but poor plasticity. In addition to being used in tableware and decoration, ceramics also play an important role in the development of science and technology. The raw material of ceramics is obtained by quenching the earth's original large resource clay. The nature of clay is tough, it can be molded when it meets water at room temperature, it can be carved when it is slightly dry, and it can be ground when it is completely dry; it can be made into pottery when it is fired to 700 degrees, and it can be filled with water; corrosion. The flexibility of its usage has various creative applications in today's culture and technology. Pottery was invente...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/19C04B35/622C04B35/64C01B33/40
CPCC04B35/19C04B35/622C04B35/64C01B33/40C04B2235/349C04B2235/602C04B2235/6562C04B2235/6565C04B2235/6567C04B2235/9607
Inventor 郭慧慧
Owner XUCHANG UNIV
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