CN102745745A - Method for producing electric melting zirconia for zirconium iron pink glazes - Google Patents
Method for producing electric melting zirconia for zirconium iron pink glazes Download PDFInfo
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- CN102745745A CN102745745A CN2012102648397A CN201210264839A CN102745745A CN 102745745 A CN102745745 A CN 102745745A CN 2012102648397 A CN2012102648397 A CN 2012102648397A CN 201210264839 A CN201210264839 A CN 201210264839A CN 102745745 A CN102745745 A CN 102745745A
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- melting zirconia
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Abstract
The invention discloses a method for producing electric melting zirconia for zirconium iron pink glazes. The method sequentially includes the following steps of 1) subjecting an electric melting zirconia hollow sphere to a coarse grinding, and controlling the particle size D50 to be in a range from 13um to 18um; 2) feeding electric melting zirconia crude powders in a jet mill, controlling the working pressure of a jet milling nozzle to be in a range from 0.65Mpa to 0.8Mpa, and adjusting the operation control frequency of an induced draft fan to be in a range from 35Hz to 45Hz; and 3) adjusting the operation control frequency of a grader to be in a range from 35Hz to 45Hz, strictly controlling the particle size distribution of the electric melting zirconia powders, to enable D10 to be no less than 0.6 [mu]m, D50 to be maintained between 2.5[mu]m and 3.0[mu]m and the difference between D90 and D10 to be no more than 6um.
Description
Technical field
The invention belongs to the ceramic pigment technical field, be specifically related to the high-purity electro-melting zirconium white of in the zirconium-iron pink ceramic glaze, using.
Background technology
Zirconium is that ceramic pigment has the premium properties that color development is bright-coloured, compatibility is good; Thereby in pottery glaze commonly used, base colorant, occupy critical role; Wherein the most common, consumption is maximum for zirconium be three primary colors: vanadium zirconium indigo plant, zirconium praseodymium yellow, zirconium iron pink; Its principal crystalline phase is a zirconium silicate, is at high temperature generated by zirconium white and quartz.So zirconic physicochemical property comprises that chemically reactive, microtexture, powder granularity distribute, color development effect, the high-temperature stability of whole ceramic pigment had direct influence.
The ceramic pigment that generally adopts is at present used the electric smelting ZIRCONIUM DIOXIDE 99.5, is to add reductive agent desiliconization under the electric arc furnace high temperature action with zircon sand, blows ball through pressurized gas again and forms.Through disintegrating apparatus the electric-melting zirconia hollow ball that obtains is worked into the certain particle scope, just can directly be used for ceramic pigment.But the major issue that current electric-melting zirconia exists is exactly rational particle size distribution of none and grain size distribution; The speed of zirconium silicate lattice formation speed and color development ion entering lattice is inconsistent; The most size-grade distribution of electric-melting zirconia is wide on the current market, and reactive behavior is low, and effective fineness ratio is lower when generating colorant; Cause corresponding zirconium-iron pink pigment color development effect not high, and unstable.
Summary of the invention
The present invention be directed to the irrational shortcoming of the particle size distribution that exists in the prior art, a kind of working method that is used for the electric-melting zirconia of zirconium-iron pink glaze is provided.
Technical scheme of the present invention is: a kind of working method that is used for the electric-melting zirconia of zirconium-iron pink glaze may further comprise the steps successively:
1) earlier with the electric-melting zirconia hollow ball through coarse reduction, control size D50 is at 13-18um;
2) the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.65-0.8Mpa, and induced draft fan operation controlled frequency is transferred to 35-45Hz;
3) grading machine operation controlled frequency is transferred to 35-45Hz, and the size-grade distribution of strict control electric-melting zirconia powder makes D10 be not less than 0.6um, and D50 remains on 2.5-3.0um, and the difference of D90 and D10 is no more than 6um.
Further, the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.75Mpa, and induced draft fan operation controlled frequency is at 40Hz, and grading machine operation controlled frequency is at 40Hz.
The invention has the beneficial effects as follows:
1) realized the narrower particle size distribution of electric-melting zirconia powder; Than reasonably grain size distribution, improved the reactive behavior of electric-melting zirconia powder, make the effective particle ratio rising that wherein helps taking place high-temperature chemical reaction; Tinting strength promotes significantly; Promote brightness, red degree and the yellow degree of zirconium-iron pink pigment comprehensively, make the color development of colorant in glaze more bright-coloured, lucid and lively, improved the aesthetics of corresponding ceramic product.
2) regulation has designed the granulometric curve of electric-melting zirconia powder again, and the whole color development value of zirconium-iron pink pigment can be improved 15%, has strengthened the effect of zirconium-iron pink pigment in pottery greatly.
Embodiment
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1
A kind of working method that is used for the electric-melting zirconia of zirconium-iron pink glaze may further comprise the steps successively:
1) earlier with the electric-melting zirconia hollow ball through coarse reduction, control size D50 is at 13um;
2) the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.65Mpa, and induced draft fan operation controlled frequency is transferred to 35Hz;
3) grading machine operation controlled frequency is transferred to 35Hz, and the size-grade distribution of strict control electric-melting zirconia powder makes D10 be not less than 0.6um, and D50 remains on 2.5-3.0um, and the difference of D90 and D10 is no more than 6um.
Embodiment 2
A kind of working method that is used for the electric-melting zirconia of zirconium-iron pink glaze may further comprise the steps successively:
1) earlier with the electric-melting zirconia hollow ball through coarse reduction, control size D50 is at 18um;
2) the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.8Mpa, and induced draft fan operation controlled frequency is transferred to 45Hz;
3) grading machine operation controlled frequency is transferred to 45Hz, and the size-grade distribution of strict control electric-melting zirconia powder makes D10 be not less than 0.6um, and D50 remains on 2.5-3.0um, and the difference of D90 and D10 is no more than 6um.
Embodiment 3
1) earlier with the electric-melting zirconia hollow ball through coarse reduction, control size D50 is at 15um;
2) the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.75Mpa, and induced draft fan operation controlled frequency is at 40Hz, and grading machine operation controlled frequency is at 40Hz;
3) grading machine operation controlled frequency is transferred to 40Hz, and the size-grade distribution of strict control electric-melting zirconia powder makes D10 be not less than 0.6um, and D50 remains on 2.5-3.0um, and the difference of D90 and D10 is no more than 6um.
Claims (2)
1. a working method that is used for the electric-melting zirconia of zirconium-iron pink glaze is characterized in that, may further comprise the steps successively:
1) earlier with the electric-melting zirconia hollow ball through coarse reduction, control size D50 is at 13-18um;
2) the electric-melting zirconia meal is sent in the micronizer mill, and control airflow milling nozzle operation pressure is at 0.65-0.8Mpa, and induced draft fan operation controlled frequency is transferred to 35-45Hz;
3) grading machine operation controlled frequency is transferred to 35-45Hz, and the size-grade distribution of strict control electric-melting zirconia powder makes D10 be not less than 0.6um, and D50 remains on 2.5-3.0um, and the difference of D90 and D10 is no more than 6um.
2. a kind of working method that is used for the electric-melting zirconia of zirconium-iron pink glaze according to claim 1; It is characterized in that; The electric-melting zirconia meal is sent in the micronizer mill; Control airflow milling nozzle operation pressure is at 0.75Mpa, and induced draft fan operation controlled frequency is at 40Hz, and grading machine operation controlled frequency is at 40Hz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102648397A CN102745745A (en) | 2012-07-30 | 2012-07-30 | Method for producing electric melting zirconia for zirconium iron pink glazes |
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| CN2012102648397A CN102745745A (en) | 2012-07-30 | 2012-07-30 | Method for producing electric melting zirconia for zirconium iron pink glazes |
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| CN102745745A true CN102745745A (en) | 2012-10-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107531575A (en) * | 2015-04-07 | 2018-01-02 | 日本化学工业株式会社 | Dielectric ceramic material and its manufacture method and composite dielectric material |
| CN108408771A (en) * | 2018-03-06 | 2018-08-17 | 三祥新材股份有限公司 | A kind of production method of zirconium praseodymium yellow colour glaze electric-melting zirconia |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0403104A1 (en) * | 1989-06-15 | 1990-12-19 | Tioxide Group Limited | Shaped articles |
| CN101695679A (en) * | 2009-10-30 | 2010-04-21 | 蚌埠中恒新材料科技有限责任公司 | Method for producing electric-melting zirconia used for yellow zirconium praseodymium glaze |
| CN101703958A (en) * | 2009-10-30 | 2010-05-12 | 蚌埠中恒新材料科技有限责任公司 | Method for producing electric-melting zirconia used for turquoise pigment and glaze |
| CN101857463A (en) * | 2010-06-04 | 2010-10-13 | 深圳市永丰源实业有限公司 | Ceramic glaze and preparation method thereof |
-
2012
- 2012-07-30 CN CN2012102648397A patent/CN102745745A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0403104A1 (en) * | 1989-06-15 | 1990-12-19 | Tioxide Group Limited | Shaped articles |
| CN101695679A (en) * | 2009-10-30 | 2010-04-21 | 蚌埠中恒新材料科技有限责任公司 | Method for producing electric-melting zirconia used for yellow zirconium praseodymium glaze |
| CN101703958A (en) * | 2009-10-30 | 2010-05-12 | 蚌埠中恒新材料科技有限责任公司 | Method for producing electric-melting zirconia used for turquoise pigment and glaze |
| CN101857463A (en) * | 2010-06-04 | 2010-10-13 | 深圳市永丰源实业有限公司 | Ceramic glaze and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107531575A (en) * | 2015-04-07 | 2018-01-02 | 日本化学工业株式会社 | Dielectric ceramic material and its manufacture method and composite dielectric material |
| CN107531575B (en) * | 2015-04-07 | 2020-10-27 | 日本化学工业株式会社 | Dielectric ceramic material, method for producing same, and composite dielectric material |
| CN108408771A (en) * | 2018-03-06 | 2018-08-17 | 三祥新材股份有限公司 | A kind of production method of zirconium praseodymium yellow colour glaze electric-melting zirconia |
| CN108408771B (en) * | 2018-03-06 | 2020-04-21 | 三祥新材股份有限公司 | Production method of fused zirconia for yellow zirconium praseodymium glaze |
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Application publication date: 20121024 |