CN106083069A - A kind of preparation method of electric elements electronic ceramic powder - Google Patents
A kind of preparation method of electric elements electronic ceramic powder Download PDFInfo
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- CN106083069A CN106083069A CN201610391575.XA CN201610391575A CN106083069A CN 106083069 A CN106083069 A CN 106083069A CN 201610391575 A CN201610391575 A CN 201610391575A CN 106083069 A CN106083069 A CN 106083069A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
Abstract
The invention discloses the preparation method of a kind of electric elements electronic ceramic powder, its concrete preparation process is: (1) preliminary attrition grinding: ceramic powder preparation mixed adds water after mixing and stirring, and inserts in agitation grinding equipment and grinds；(2) dry pelletize: after ground slurry being dried, then insert spray drying device is dried granulation；(3) pre-burning: the ceramic particle of preparation is inserted in pre-firing and calcine；(4) secondary grinds: after air-cooled for the ceramic material after pre-burning, inserts water and stands cooling and mix and stir, then grinding in ball grinder inserted by the slurry after mixing and stirring, and obtains electronic ceramic powder after having ground；The invention has the beneficial effects as follows: process system, parameter is arranged rationally, the electronic ceramic powder fine size obtained, it is possible to decrease the temperature when subsequent calcination, also introduces pre-sinter process, can calcine that to obtain ceramic structure finer and close after being allowed to, and performance is more preferable.
Description
Technical field
The present invention relates to process for electroceramics field, the preparation of a kind of electric elements electronic ceramic powder
Method.
Background technology
Electronic ceramics refers to can utilize in the electronics industry the pottery of electricity, magnetic property.Electronic ceramics be by surface,
The accurate control of crystal boundary and dimensional structure and finally obtain the pottery with New function.It is at chemical composition, microstructure and machine
On electrical property, all it is essentially different with general electric power pottery.Mainly it has high mechanical strength, high temperature resistant height
Wet, radioprotective, dielectric constant changes in a wide range, and dielectric loss angle tangent is little, and temperature coefficient of capacitance can be adjusted
Whole, dielectric strength and insulating resistance value are high, and ageing properties excellence etc..
The preparation method of electronic ceramics is varied, and preparation process is the most similar, electronic ceramic powder in preparation flow
Preparation electronic ceramics performance afterwards is had considerable influence, and general powder preparation method exist powder particles thin not,
The problem such as uneven, has a strong impact on the performance of electronic ceramics.
Summary of the invention
It is an object of the invention to, for solving the problems of the prior art, disclose a kind of electric elements electronic ceramic powder
Preparation method.
For achieving the above object, the invention discloses the preparation method of a kind of electric elements electronic ceramic powder, its tool
Preparation step is:
(1) preliminary attrition grinding: the water of quality 0.6-0.8 times of ceramic powder addition preparation mixed own, mixes and stirs 5-8 and divides
Zhong Hou, inserts in agitation grinding equipment and grinds 2-3 hour；
(2) pelletize is dried: after being dried 3-5 minute at 140-160 DEG C by ground slurry, then insert in spray drying device
Being dried granulation, baking temperature is set as 300 DEG C, and dried microparticle aqueous content is 2%-4%；
(3) pre-burning: being inserted by the ceramic particle of preparation in pre-firing and calcine 2-3 hour, calcining heat is set as 800-900 DEG C；
(4) secondary grinds: by air-cooled for the ceramic material after pre-burning after 100-150 DEG C, the 1-1.2 times of water inserting ceramic material quality is quiet
After putting cooling 10-12 minute, mix and stir 5-8 minute, then grinding in ball grinder 18-24 hour inserted by the slurry after mixing and stirring, and arranges
Drum speed is 24-38rpm, obtains electronic ceramic powder after having ground.
The technique that wherein said agitation grinding equipment uses can be bar type Ball-stirring mill, disc type Ball-stirring mill, spiral (tower
Formula) Ball-stirring mill, rod disc type Ball-stirring mill, circular-gap Ball-stirring mill.
Advantages of the present invention and good effect be:
The inventive method process system, parameter is arranged rationally, the electronic ceramic powder fine size obtained, it is possible to decrease at subsequent calcination
Time temperature, also introduce pre-sinter process, after being allowed to, can calcine that to obtain ceramic structure finer and close, performance is more preferable.
Detailed description of the invention
Specific embodiment one:
A kind of preparation method of electric elements electronic ceramic powder, its concrete preparation process is:
(1) preliminary attrition grinding: the water of the quality of ceramic powder addition 0.6 times that preparation is mixed own, after mixing and stirring 5 minutes,
Insert in bar type Ball-stirring mill equipment and grind 2 hours；
(2) pelletize is dried: after being dried 3 minutes at 140 DEG C by ground slurry, then insert in spray drying device and do
Dry granulation, baking temperature is set as 300 DEG C, and dried microparticle aqueous content is 2%-4%；
(3) pre-burning: being inserted by the ceramic particle of preparation in pre-firing and calcine 2 hours, calcining heat is set as 800 DEG C；
(4) secondary grinds: by air-cooled for the ceramic material after pre-burning after 100 DEG C, and the 1 times of water inserting ceramic material quality stands cooling 10
After minute, mixing and stirring 5 minutes, then the slurry after mixing and stirring inserts grinding in ball grinder 18 hours, arranging drum speed is 24rpm,
Grinding obtains electronic ceramic powder after completing.
Specific embodiment two:
A kind of preparation method of electric elements electronic ceramic powder, its concrete preparation process is:
(1) preliminary attrition grinding: the water of the quality of ceramic powder addition 0.8 times that preparation is mixed own, after mixing and stirring 8 minutes,
Insert in disc type agitation grinding equipment and grind 3 hours；
(2) pelletize is dried: after being dried 5 minutes at 160 DEG C by ground slurry, then insert in spray drying device and do
Dry granulation, baking temperature is set as 300 DEG C, and dried microparticle aqueous content is 2%-4%；
(3) pre-burning: being inserted by the ceramic particle of preparation in pre-firing and calcine 3 hours, calcining heat is set as 900 DEG C；
(4) secondary grinds: by air-cooled for the ceramic material after pre-burning after 150 DEG C, and the 1.2 times of water inserting ceramic material quality stand cooling
After 12 minutes, mixing and stirring 8 minutes, then the slurry after mixing and stirring inserts grinding in ball grinder 24 hours, arranging drum speed is
38rpm, obtains electronic ceramic powder after having ground.
Specific embodiment three:
A kind of preparation method of electric elements electronic ceramic powder, its concrete preparation process is:
(1) preliminary attrition grinding: the water of the quality of ceramic powder addition 0.7 times that preparation is mixed own, after mixing and stirring 6 minutes,
Insert in circular-gap agitation grinding equipment and grind 2.5 hours；
(2) pelletize is dried: after being dried 4 minutes at 150 DEG C by ground slurry, then insert in spray drying device and do
Dry granulation, baking temperature is set as 300 DEG C, and dried microparticle aqueous content is 2%-4%；
(3) pre-burning: being inserted by the ceramic particle of preparation in pre-firing and calcine 2.5 hours, calcining heat is set as 850 DEG C；
(4) secondary grinds: by air-cooled for the ceramic material after pre-burning after 130 DEG C, and the 1.1 times of water inserting ceramic material quality stand cooling
After 11 minutes, mixing and stirring 7 minutes, then the slurry after mixing and stirring inserts grinding in ball grinder 23 hours, arranging drum speed is
31rpm, obtains electronic ceramic powder after having ground.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (2)
1. the preparation method of an electric elements electronic ceramic powder, it is characterised in that its concrete preparation process is:
(1) preliminary attrition grinding: the water of quality 0.6-0.8 times of ceramic powder addition preparation mixed own, mixes and stirs 5-8 and divides
Zhong Hou, inserts in agitation grinding equipment and grinds 2-3 hour；
(2) pelletize is dried: after being dried 3-5 minute at 140-160 DEG C by ground slurry, then insert in spray drying device
Being dried granulation, baking temperature is set as 300 DEG C, and dried microparticle aqueous content is 2%-4%；
(3) pre-burning: being inserted by the ceramic particle of preparation in pre-firing and calcine 2-3 hour, calcining heat is set as 800-900 DEG C；
(4) secondary grinds: by air-cooled for the ceramic material after pre-burning after 100-150 DEG C, the 1-1.2 times of water inserting ceramic material quality is quiet
After putting cooling 10-12 minute, mix and stir 5-8 minute, then grinding in ball grinder 18-24 hour inserted by the slurry after mixing and stirring, and arranges
Drum speed is 24-38rpm, obtains electronic ceramic powder after having ground.
The preparation method of a kind of electric elements electronic ceramic powder the most according to claim 1, it is characterised in that: described
Agitation grinding equipment use technique can be bar type Ball-stirring mill, disc type Ball-stirring mill, spiral (tower) Ball-stirring mill, rod disc type stir
Mix mill, circular-gap Ball-stirring mill.
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| CN201610391575.XA CN106083069A (en) | 2016-06-06 | 2016-06-06 | A kind of preparation method of electric elements electronic ceramic powder |
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| CN201610391575.XA CN106083069A (en) | 2016-06-06 | 2016-06-06 | A kind of preparation method of electric elements electronic ceramic powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159112A (en) * | 2020-09-30 | 2021-01-01 | 泗阳群鑫电子有限公司 | High-energy-storage ceramic capacitor dielectric material and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058504A (en) * | 2006-04-18 | 2007-10-24 | 绵阳开元磁性材料有限公司 | Preparation technique for soft-magnetic manganese-zinc ferrite powder |
| CN102603192A (en) * | 2012-02-29 | 2012-07-25 | 深圳光启创新技术有限公司 | Porous glass ceramic material, preparation method and prepared metamaterial substrate |
| CN105399422A (en) * | 2015-12-15 | 2016-03-16 | 广东国华新材料科技股份有限公司 | STLA microwave dielectric ceramic material and preparation method and application thereof |
-
2016
- 2016-06-06 CN CN201610391575.XA patent/CN106083069A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058504A (en) * | 2006-04-18 | 2007-10-24 | 绵阳开元磁性材料有限公司 | Preparation technique for soft-magnetic manganese-zinc ferrite powder |
| CN102603192A (en) * | 2012-02-29 | 2012-07-25 | 深圳光启创新技术有限公司 | Porous glass ceramic material, preparation method and prepared metamaterial substrate |
| CN105399422A (en) * | 2015-12-15 | 2016-03-16 | 广东国华新材料科技股份有限公司 | STLA microwave dielectric ceramic material and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159112A (en) * | 2020-09-30 | 2021-01-01 | 泗阳群鑫电子有限公司 | High-energy-storage ceramic capacitor dielectric material and preparation process thereof |
| CN112159112B (en) * | 2020-09-30 | 2021-08-27 | 泗阳群鑫电子有限公司 | High-energy-storage ceramic capacitor dielectric material and preparation process thereof |
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Application publication date: 20161109 |