CN101502815A - Method for preparing zirconium orthosilicate - Google Patents
Method for preparing zirconium orthosilicate Download PDFInfo
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- CN101502815A CN101502815A CNA200910024810XA CN200910024810A CN101502815A CN 101502815 A CN101502815 A CN 101502815A CN A200910024810X A CNA200910024810X A CN A200910024810XA CN 200910024810 A CN200910024810 A CN 200910024810A CN 101502815 A CN101502815 A CN 101502815A
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Abstract
The invention discloses a preparation method of zirconium silicate, comprising the steps of adding zircon sands in a ball mill, and then adding a grinding medium, water and a grinding auxiliary agent, grinding for 36-40h once to obtain ultra-fine powder with particle size of 1.0-10 microns. The weight ratio of the zircon sand to the grinding medium to water to the grinding auxiliary agent is 1:2.2-2.7:0.4-0.6:0.0003-0.0005. The invention uses a ball mill, regulates the grinding medium, water and the grinding auxiliary agent, and processes and grinds the zircon sands once to obtain the ultra-fine powder meeting the requirements of the zirconium silicate with relatively short period. The zirconium content and other medium components all meet the requirements of zirconium silicate industry standard. The method of the invention has no acid washing and calcining process seriously polluting the environment. Thus, the preparation method saves energy and is environment-friendly.
Description
Technical field
The invention belongs to the ceramic industry technical field, be specifically related to a kind of preparation method of zirconium silicate.
Background technology
Zirconium silicate is one of requisite raw material of ceramic industry, and it mainly acts on is that milkiness brightens.Be widely used in ceramic industry at present in glaze and the blank, with in the inorganic pigment, zirconium silicate is widely used in zirconium base pigment such as vanadium zirconium indigo plant, zirconium praseodymium yellow, zirconium iron pink at pottery.Along with the continuous development of China's ceramic industry, the consumption of zirconium silicate is increasing, and the annual zirconium silicate output of China was greatly about 27.6～300,000 tons in 2007.
The zirconium silicate chemical general formula is ZrSiO
4, theory consists of ZrO
267.2%, SiO
232.8%.Characteristics such as zirconium silicate is a kind of important high temperature Inorganic Non-metallic Materials, has many premium properties, and is good as thermal stability, and thermal conductivity is low, the coefficient of expansion is little, elevated temperature strength is big.The raw material of zirconium silicate production are zircon sands, mainly originate from states such as Australia, South Africa, Vietnam, Indonesia, and also there is the part industry in Hainan Province of China.That zircon sand manifests because of the difference of impurity content is red, yellow, light gray and different colours such as brown, is insoluble to bronsted lowry acids and bases bronsted lowry.Owing to select for use its chemical analysis of zircon sand of different regions slightly different, zircon sand generally is a white and light grey after grinding to form zirconium silicate in zirconium silicate, and proportion is heavier, and true specific gravity is about 4.7g/cm
3, the bulk specific weight of powder is at 1.8g/cm
3About.
Zirconium silicate is as ceramic opacifiers usefulness, and the major technique factor of its whitening effect influence is had: 1. chemical analysis, 2. grain diameter and distribution situation, 3. impurity phase content, 4. loss on ignition and moisture content; The technological factor of Sheng Chaning also can influence its result of use simultaneously, comprises the 1. stability of zirconium silicate, 2. the dispersiveness of zirconium silicate in medium (water).
The processing of zirconium silicate is a kind of physical refining process, and it should guarantee two basic premises for product of ceramic enterprise, promptly brightens and stablizes, and zirconium silicate has dry method and two kinds of processing modes of wet method at present.
Dry process carries out after the classification coarse fodder being returned in the Raymond mill with the dry classification machine based on Raymond mill, toward covering circulation; Enter to stir in mill or the sand mill after wet method processing is ground with one of ball mill branch or twice again and grind, the material of grinding economy-combat powder operation after pickling, rinsing, press filtration, calcining becomes finished product.
The shortcoming of dry process is that energy consumption is big, noise big, environment (dust) is seriously polluted, but owing to technology simply still is employed.
The shortcoming of wet method processing is that technological process is too complicated, and spent pickling acid is seriously polluted to environment, and calcine technology has improved production cost, plays powder and classification because dust pollution produces harmful effect to surrounding environment.
Summary of the invention
Technical problem to be solved by this invention provides the preparation method of the easy zirconium silicate of a kind of technology.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of preparation method of zirconium silicate: zircon sand is added in the ball mill, add abrasive media, water and grinding aid again, disposable grinding 36～40h obtains the superfine powder of 1.0～10 particulates, wherein, the weight ratio of zircon sand, abrasive media, water and grinding aid is 1:2.2～2.7:0.4～0.6:0.0003～0.0005.
Wherein, the draw ratio of ball mill requires 1.9～2.5, and rotating speed is at 23～27 rev/mins.
Wherein, described abrasive media is high alumina medium ball, Zirconia reinforced alumina medium ball, Zirconium oxide plasticizing zirconium silicate medium ball or zirconia media ball.Wherein, described high alumina medium ball, its aluminum content are more than 92%.
Wherein, described abrasive media particle diameter is
15mm,
13mm,
10mm,
8mm and
The combination of any two kinds of specifications or any three kinds of specifications or any four kinds of specifications among the 6mm.
Preferred combination has:
Particle diameter is
15mm,
13mm,
The abrasive media of 10mm is by weight the mixture of 35～40:35～40:20～30.
Particle diameter is
13mm,
10mm,
The abrasive media of 8mm is by weight the mixture of 30～40:30～45:15～40.
Particle diameter is
0mm,
8mm,
The abrasive media of 6mm is by weight the mixture of 20～30:30～50:20～50.
Particle diameter is
13mm,
10mm,
8mm,
The abrasive media of 6mm is by weight the mixture of 20～25:30～40:30～40:10～20.
Wherein, described grinding aid is triethanolamine and the sodium pyrophosphate mixture by weight 2:1, or triethanolamine and calgon are by weight the mixture of 2:1.
Beneficial effect: the present invention adopts ball mill, by adjusting to abrasive media, water, grinding aid, with the short relatively time, disposable the zircon sand processing grinding is become the fine grinding of zirconium silicate requirement, and zirconium content and other medium composition all reach the requirement of zirconium silicate industry standard.And the inventive method produces the pickling and the calcine technology of severe contamination to environment, therefore not only energy-conservation but also environmental protection.
Description of drawings
Fig. 1 is conventional dry technological process of production figure;
Fig. 2 is conventional wet technological process of production figure.
The specific embodiment:
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand that the described concrete material proportion of embodiment, process conditions and result thereof only are used to illustrate the present invention, and should also can not limit the present invention described in detail in claims.
The employed ball mill of following examples is Jiangsu Al-rich-color glaze Co., Ltd's draw ratio of producing at 2.0 10T ball mill, and rotating speed is 27 rev/mins, and rated power is 130kw.
Embodiment 1:
The zircon sand of 10T diameter＜80 orders (0.16mm) is added in the ball mill, and (particle diameter is to add the 25T aluminum content and be high alumina medium ball more than 92%
13mm,
10mm,
8mm,
The high alumina medium ball of 6mm is by weight the mixture of 25:30:30:15), add 6T water and 3kg grinding aid (triethanolamine and sodium pyrophosphate are by weight the mixture of 2:1) again, disposable grinding 40h obtains superfine powder, and its particle diameter is after testing: d
50=1.25 μ m, d
90=4.78 μ m reach the particle requirement of superfine powder.
Embodiment 2:
The quartz sand of 10T diameter＜80 orders (0.16mm) is joined in the ball mill, and (particle diameter is to add 25T Zirconia reinforced alumina medium ball
13mm,
10mm,
The high alumina medium ball of 8mm is by weight the mixture of 40:40:20), add 5.5T water and 3.5kg grinding aid (triethanolamine and calgon are by weight the mixture of 2:1) again, disposable grinding 36h obtains superfine powder.After testing, its granularity is d
50=1.47 μ m, d
90=4.90 μ m reach the particle requirement of superfine powder.
Embodiment 3:
The quartz sand of 10T diameter＜80 orders (0.16mm) is joined in the ball mill, and (particle diameter is to add 22T zirconia media ball
15mm,
13mm,
The zirconia media ball of 10mm is by weight the mixture of 40:35:30), add 4T water and 3kg grinding aid (triethanolamine and calgon are by weight the mixture of 2:1) again, disposable grinding 38h obtains superfine powder.After testing, its granularity is d
50=1.55 μ m, d
90=5.32 μ m reach the particle requirement of superfine powder.
Embodiment 4:
The zircon sand of 10T diameter＜80 orders (0.16mm) is added in the ball mill, and (particle diameter is to add 27T Zirconium oxide plasticizing zirconium silicate medium ball
10mm,
8mm,
The high alumina medium ball of 6mm is by weight the mixture of 25:40:30), add 5T water and 5kg grinding aid (triethanolamine and sodium pyrophosphate are by weight the mixture of 2:1) again, disposable grinding 40h obtains superfine powder, and its particle diameter is after testing: d
50=1.17 μ m, d
90=3.98 μ m reach the particle requirement of superfine powder.
Claims (10)
1, a kind of preparation method of zirconium silicate, it is characterized in that zircon sand is added in the ball mill, add abrasive media, water and grinding aid again, disposable grinding 36～40h obtains the superfine powder of 1.0～10 particulates, wherein, the weight ratio of zircon sand, abrasive media, water and grinding aid is 1:2.2～2.7:0.4～0.6:0.0003～0.0005.
2, the preparation method of zirconium silicate according to claim 1, the draw ratio that it is characterized in that described ball mill is 1.9～2.5, rotating speed is 23～27 rev/mins.
3, the preparation method of zirconium silicate according to claim 1 is characterized in that described abrasive media is high alumina medium ball, Zirconia reinforced alumina medium ball, Zirconium oxide plasticizing zirconium silicate medium ball or zirconia media ball.
4, the preparation method of zirconium silicate according to claim 3 is characterized in that described high alumina medium ball, and its aluminum content is more than 92%.
5,, it is characterized in that described abrasive media particle diameter is according to the preparation method of claim 1 or 3 or 4 described zirconium silicates
With
In the combination of any two kinds of specifications or any three kinds of specifications or any four kinds of specifications.
6, the preparation method of zirconium silicate according to claim 5 is characterized in that described abrasive media particle diameter is
Mixture by weight 35～40:35～40:20～30.
7, the preparation method of zirconium silicate according to claim 5 is characterized in that described abrasive media particle diameter is
Mixture by weight 30～40:30～45:15～40.
8, the preparation method of zirconium silicate according to claim 5 is characterized in that described abrasive media particle diameter is
Mixture by weight 20～30:30～50:20～50.
9, the preparation method of zirconium silicate according to claim 5 is characterized in that described abrasive media particle diameter is
Mixture by weight 20～25:30～40:30～40:10～20.
10, the preparation method of zirconium silicate according to claim 1 is characterized in that described grinding aid is triethanolamine and the sodium pyrophosphate mixture by weight 2:1, or triethanolamine and calgon are by weight the mixture of 2:1.
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| CN102167624A (en) * | 2011-02-09 | 2011-08-31 | 中国地质大学佛山研究院 | Microwave sintering method of coated superfine sulphide selenide cadmium red pigment for ceramic glaze |
| CN102229500A (en) * | 2010-07-27 | 2011-11-02 | 广州市石基耐火材料厂 | Preparation method for compact zirconite overflow brick with high breaking-resistance and low expansion |
| CN102247913A (en) * | 2011-04-18 | 2011-11-23 | 西峡县新锦耐化有限责任公司 | Technology for premixing powder part of refractory material in alumina ceramic ball mill |
| CN102442838A (en) * | 2011-08-28 | 2012-05-09 | 内蒙古科技大学 | Preparation method of superfine zirconium silicate powder |
| CN102765729A (en) * | 2012-08-22 | 2012-11-07 | 山东神州锆业有限公司 | Method for homogenizing super-fine powder of zirconium silicate |
| CN104830101A (en) * | 2015-05-15 | 2015-08-12 | 安徽纽亚达科技有限责任公司 | Ultrafine processing technique of mica iron oxide by wet process |
| CN107572821A (en) * | 2017-08-31 | 2018-01-12 | 江苏脒诺甫纳米材料有限公司 | The method that zirconium silicate powder is prepared using discarded object containing zirconium |
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| CN107934977A (en) * | 2017-12-07 | 2018-04-20 | 美轲（广州）化学股份有限公司 | Superfine zirconium silicate powder and preparation method thereof |
| CN108219538A (en) * | 2018-02-26 | 2018-06-29 | 山东好白陶瓷原料有限公司 | A kind of preparation method of ultrawhite zirconium silicate |
| CN108311270A (en) * | 2018-01-22 | 2018-07-24 | 张藜泷 | A kind of Khotan jade superfine powder and preparation method thereof |
| CN109133893A (en) * | 2018-10-31 | 2019-01-04 | 江苏脒诺甫纳米材料有限公司 | A method of preparing superfine zirconium silicate |
| CN110282875A (en) * | 2019-07-11 | 2019-09-27 | 安徽中创电子信息材料有限公司 | A method of increasing glaze zirconium silicate powder whiteness |
| CN110357117A (en) * | 2019-08-13 | 2019-10-22 | 湖北大学 | A kind of spherical zirconium silicate nanometer powder and its preparation method and application |
| CN112844649A (en) * | 2020-12-23 | 2021-05-28 | 中建材蚌埠玻璃工业设计研究院有限公司 | Fine-particle quartz sandstone mineral grinding method |
| CN113773049A (en) * | 2021-10-08 | 2021-12-10 | 江苏脒诺甫纳米材料有限公司 | Zircon sand whitening emulsion and preparation process thereof |
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| CN102229500A (en) * | 2010-07-27 | 2011-11-02 | 广州市石基耐火材料厂 | Preparation method for compact zirconite overflow brick with high breaking-resistance and low expansion |
| CN102167624A (en) * | 2011-02-09 | 2011-08-31 | 中国地质大学佛山研究院 | Microwave sintering method of coated superfine sulphide selenide cadmium red pigment for ceramic glaze |
| CN102167624B (en) * | 2011-02-09 | 2013-06-12 | 佛山市中国地质大学研究院 | Microwave sintering method of coated superfine sulphide selenide cadmium red pigment for ceramic glaze |
| CN102247913A (en) * | 2011-04-18 | 2011-11-23 | 西峡县新锦耐化有限责任公司 | Technology for premixing powder part of refractory material in alumina ceramic ball mill |
| CN102442838A (en) * | 2011-08-28 | 2012-05-09 | 内蒙古科技大学 | Preparation method of superfine zirconium silicate powder |
| CN102765729A (en) * | 2012-08-22 | 2012-11-07 | 山东神州锆业有限公司 | Method for homogenizing super-fine powder of zirconium silicate |
| CN104830101A (en) * | 2015-05-15 | 2015-08-12 | 安徽纽亚达科技有限责任公司 | Ultrafine processing technique of mica iron oxide by wet process |
| CN107572821A (en) * | 2017-08-31 | 2018-01-12 | 江苏脒诺甫纳米材料有限公司 | The method that zirconium silicate powder is prepared using discarded object containing zirconium |
| CN107597405A (en) * | 2017-09-29 | 2018-01-19 | 美轲（广州）化学股份有限公司 | Grinding aid, its preparation method, the Ginding process of grinding aid liquid and zirconium silicate |
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| CN107934977B (en) * | 2017-12-07 | 2020-04-07 | 美轲（广州）化学股份有限公司 | Superfine zirconium silicate powder and preparation method thereof |
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| CN108219538A (en) * | 2018-02-26 | 2018-06-29 | 山东好白陶瓷原料有限公司 | A kind of preparation method of ultrawhite zirconium silicate |
| CN109133893A (en) * | 2018-10-31 | 2019-01-04 | 江苏脒诺甫纳米材料有限公司 | A method of preparing superfine zirconium silicate |
| CN110282875A (en) * | 2019-07-11 | 2019-09-27 | 安徽中创电子信息材料有限公司 | A method of increasing glaze zirconium silicate powder whiteness |
| CN110357117A (en) * | 2019-08-13 | 2019-10-22 | 湖北大学 | A kind of spherical zirconium silicate nanometer powder and its preparation method and application |
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| CN112844649B (en) * | 2020-12-23 | 2022-12-23 | 中建材玻璃新材料研究院集团有限公司 | Fine-particle quartz sandstone mineral grinding method |
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