CN104446360A - Oxidized white china clay and preparation method thereof - Google Patents
Oxidized white china clay and preparation method thereof Download PDFInfo
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- CN104446360A CN104446360A CN201410682810.XA CN201410682810A CN104446360A CN 104446360 A CN104446360 A CN 104446360A CN 201410682810 A CN201410682810 A CN 201410682810A CN 104446360 A CN104446360 A CN 104446360A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention discloses an oxidized white china clay which comprises the following components by weight ratio: 20-25 parts of feldspar, 15-20 parts of quartz, 5-10 parts of raw ores, 40-45 parts of kaolin, 5-10 parts of white china powder and 0.005-0.008% of cobalt blue pigment. The invention also discloses a preparation method of the oxidized white china clay. According to the oxidized white china clay and the preparation method, the waste white china is processed into another man-made high-quality barren material, so that the source of the high-quality barren material can be partially increased and large economic benefit can be produced at the same time; a trace amount of cobalt blue pigment is added in the clay according to weight proportion, so that the china clay is bluish white under oxidation burning atmosphere, the chinaware whiteness is increased by 4-8% and the shrinking percentage is reduced by 2-3%.
Description
Technical field
The invention belongs to ceramic technology field, specifically refer to that a kind of oxidation china clay being mixed with useless ceramic whiteware powder and trace cobalt blue pigment is with its preparation method.
Background technology
Along with the development of society and the raising of living standards of the people, the discarded ceramic whiteware produced in daily ceramic whiteware industry also gets more and more.According to estimates, discarded ceramic whiteware accounts for 20 ~ 30% of daily ceramic whiteware output.Simple and crude abandoned piles or bury treatment process, not only contaminate environment also causes waste.Therefore carry out processing recycling after discarded ceramic whiteware being collected, promote the Sustainable development of daily ceramic whiteware industry.
Summary of the invention
The present invention is the Sustainable development promoting daily ceramic whiteware industry, provides a kind of oxidation china clay being mixed with useless ceramic whiteware powder and trace cobalt blue pigment with its preparation method.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of oxidation china clay, each component of its base soil presses row weight proportion composition: 20 ~ 25 parts of feldspars, 15 ~ 20 parts of quartz, 5 ~ 10 parts of raw ores, 40 ~ 45 parts of kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide.
Preferably, each component of its base soil presses row weight proportion composition: 20 ~ 25 parts of Jiangxi feldspars, 15 ~ 20 parts of Yongtai quartz, 5 ~ 10 parts of Longyan raw ores, 40 ~ 45 parts of Longyan kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide.
Preferably, described useless ceramic whiteware powder is that the discarded common daily broken ball milling of ceramic whiteware of building forms; Described cobalt blue pigment cobalt oxide is technical grade cobalt oxide.
Be oxidized a preparation method for china clay, comprise the following steps:
A, prepare mud: 20 ~ 25 parts of Jiangxi feldspars, 15 ~ 20 parts of Yongtai quartz, 5 ~ 10 parts of Longyan raw ores, 40 ~ 45 parts of Longyan kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide are mixed and make compound, add water for compound: water=1:0. 4 ~ 0. 5 by weight ratio again, obtained mud after ball milling.
B, slurry dewatering: according to the difference of formed product method, adopting different dewaterings to obtain water content is the mud of 30% ~ 35% or the mud cake of 8% ~ 10%.
C, old and vacuum-treat: the mud just dewatered is put into closed suction pit old, keep certain temperature and humidity, place 3 ~ 5 days, make pug component be tending towards even, improves plasticity-; Vacuum pugging is carried out to mud cake, by spiral the practicing and squeezing action to pug of pug mill, improve the oriented structure of pug, reduce the volume of air of pug, make pug component more even, reduce base substrate and shrink, increase dry tenacity, improve product physical and chemical performance.
D, shaping: mud adopts injection forming, mud cake adopts roll forming, dry after the demoulding.
E, glazing: oxidation ceramic whiteware billet surface after the drying executes last layer hard transparent glaze.
F, to burn till: the oxidation ceramic whiteware base substrate after glazing is sent in tunnel furnace and has fired, after kiln discharge cooling finished product.
Preferably, described step a also comprises obtained mud is crossed 220 mesh sieves.
Preferably, the firing temperature of described step f is 1250 ~ 1270 DEG C, firing time 11 ~ 12 hours.
Preferably, the tunnel furnace of described step f is 54 meters or 66 meters of automatical and efficient energy-saving tunnel kilns.
Preferably, described useless ceramic whiteware powder is that the discarded common daily broken ball milling of ceramic whiteware of building forms; Cobalt blue pigment cobalt oxide is technical grade cobalt oxide.
Compared to the prior art, the beneficial effect that the present invention produces is:
In the present invention, by useless ceramic whiteware being processed into another kind of artificial high-quality non-plastic raw material, both partly can increase the source of high-quality non-plastic raw material, also can produce substantial economics simultaneously.Again toward adding trace cobalt blue pigment cobalt oxide by weight ratio in base soil, make this china clay aobvious Bluish white under oxidation firing atmosphere, porcelain whiteness also improves 4 ~ 8%, and shrinking percentage reduces by 2 ~ 3%.
In addition, in the present invention, add useless ceramic whiteware powder and replace part quartz to form porcelain body skeleton, not only overcome the low quartz transformation of crystal of quartz in porcelain body when high temperature burns till, therefore the heat-shock resistance of product can be improved; Two is liquid phase and mullitizations that the superfine quartz powder not affecting useless porcelain powder external parcel participates in oxidation ceramic whiteware sintering process, and the microstructure of porcelain body and macro property index are more rationalized and upgrading optimization.
Accompanying drawing explanation
Without accompanying drawing.
Embodiment
The invention discloses a kind of oxidation china clay and preparation method thereof, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
As the preferred embodiments of the present invention, a kind of preparation method being oxidized china clay, comprises the following steps:
A, prepare mud: 20 ~ 25 parts of Jiangxi feldspars, 15 ~ 20 parts of Yongtai quartz, 5 ~ 10 parts of Longyan raw ores, 40 ~ 45 parts of Longyan kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide are mixed and make compound, add water for compound: water=1:0. 4 ~ 0. 5 by weight ratio again, after ball milling, obtained mud, crosses 220 mesh sieves by obtained mud; Useless ceramic whiteware powder described in this step is preferably the discarded common daily broken ball milling of ceramic whiteware of building and forms; Cobalt blue pigment cobalt oxide is preferably technical grade cobalt oxide.
B, slurry dewatering: according to the difference of formed product method, adopting different dewaterings to obtain water content is the mud of 30% ~ 35% or the mud cake of 8% ~ 10%.
C, old and vacuum-treat: the mud just dewatered is put into closed suction pit old, keep certain temperature and humidity, place 3 ~ 5 days, make pug component be tending towards even, improves plasticity-; Vacuum pugging is carried out to mud cake, by spiral the practicing and squeezing action to pug of pug mill, improve the oriented structure of pug, reduce the volume of air of pug, make pug component more even, reduce base substrate and shrink, increase dry tenacity, improve product physical and chemical performance.
D, shaping: mud adopts injection forming, mud cake adopts roll forming, dry after the demoulding.
E, glazing: oxidation ceramic whiteware billet surface after the drying executes last layer hard transparent glaze.
F, to burn till: sent in tunnel furnace by the oxidation ceramic whiteware base substrate after glazing and fired, wherein firing temperature is 1250 ~ 1270 DEG C, firing time 11 ~ 12 hours, to have fired after the cooling of rear kiln discharge to obtain finished product.Tunnel furnace in this step is preferably 54 meters or 66 meters of automatical and efficient energy-saving tunnel kilns.
The oxidation china clay formula that four kinds are preferably mixed with useless ceramic whiteware powder and trace cobalt blue pigment is listed in table 1:
Table 1
Scheme 1 | Scheme 2 | Scheme 3 | Scheme 4 | |
Jiangxi feldspar | 25 | 25 | 25 | 20 |
Yongtai quartz | 20 | 18 | 15 | 15 |
Longyan raw ore | 10 | 7 | 5 | 10 |
Longyan kaolin | 40 | 42 | 45 | 45 |
Useless ceramic whiteware powder | 5 | 8 | 10 | 10 |
Cobalt oxide | 0.005 | 0.006 | 0.007 | 0.008 |
The oxidation china clay proportioning being mixed with useless ceramic whiteware powder and trace cobalt blue pigment according to actual needs, can select one according in table 1, has adapted to the concrete technological process of production within the specific limits by each composition weight proportioning of adjustment.
In addition, the feldspar in the feldspar of Jiangxi described in the present embodiment to be the place of production be Jiangxi, above-mentioned Yongtai quartz for the place of production be the quartz of Yongtai County, the kaolin of Longyan kaolin to be the place of production be Longyan.The agalmatolite raw ore of described Longyan raw ore to be the place of production be Longyan, wherein agalmatolite raw ore is the one of clay mineral, and belonging to crystalline texture is that the layered hydrous aluminium silicate mineral of 2:1 type draws.Its chemical structural formula is Al
2[Si
4o
10] (OH)
2.
In the present invention, by useless ceramic whiteware being processed into another kind of artificial high-quality non-plastic raw material, both partly can increase the source of high-quality non-plastic raw material, also can produce substantial economics simultaneously.Again toward adding trace cobalt blue pigment cobalt oxide by weight ratio in base soil, make this china clay aobvious Bluish white under oxidation firing atmosphere, porcelain whiteness also improves 4 ~ 8%, and shrinking percentage reduces by 2 ~ 3%.
In addition, in the present invention, add useless ceramic whiteware powder and replace part quartz to form porcelain body skeleton, not only overcome the low quartz transformation of crystal of quartz in porcelain body when high temperature burns till, therefore the heat-shock resistance of product can be improved; Two is liquid phase and mullitizations that the superfine quartz powder not affecting useless porcelain powder external parcel participates in oxidation ceramic whiteware sintering process, and the microstructure of porcelain body and macro property index are more rationalized and upgrading optimization.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (8)
1. an oxidation china clay, it is characterized in that, each component of its base soil presses row weight proportion composition: 20 ~ 25 parts of feldspars, 15 ~ 20 parts of quartz, 5 ~ 10 parts of raw ores, 40 ~ 45 parts of kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide.
2. one is oxidized china clay as claimed in claim 1, it is characterized in that: each component of its base soil presses row weight proportion composition: 20 ~ 25 parts of Jiangxi feldspars, 15 ~ 20 parts of Yongtai quartz, 5 ~ 10 parts of Longyan raw ores, 40 ~ 45 parts of Longyan kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide.
3. one is oxidized china clay as claimed in claim 1 or 2, it is characterized in that: described useless ceramic whiteware powder is that the discarded common daily broken ball milling of ceramic whiteware of building forms; Described cobalt blue pigment cobalt oxide is technical grade cobalt oxide.
4. be oxidized a preparation method for china clay, it is characterized in that, comprise the following steps:
A, prepare mud: 20 ~ 25 parts of Jiangxi feldspars, 15 ~ 20 parts of Yongtai quartz, 5 ~ 10 parts of Longyan raw ores, 40 ~ 45 parts of Longyan kaolin, 5 ~ 10 parts of useless ceramic whiteware powder, 0.005 ~ 0.008% part of cobalt blue pigment cobalt oxide are mixed and make compound, add water for compound: water=1:0. 4 ~ 0. 5 by weight ratio again, obtained mud after ball milling;
B, slurry dewatering: according to the difference of formed product method, adopting different dewaterings to obtain water content is the mud of 30% ~ 35% or the mud cake of 8% ~ 10%;
C, old and vacuum-treat: the mud just dewatered is put into closed suction pit old, keep certain temperature and humidity, place 3 ~ 5 days, make pug component be tending towards even, improves plasticity-; Vacuum pugging is carried out to mud cake, by spiral the practicing and squeezing action to pug of pug mill, improve the oriented structure of pug, reduce the volume of air of pug, make pug component more even, reduce base substrate and shrink, increase dry tenacity, improve product physical and chemical performance;
D, shaping: mud adopts injection forming, mud cake adopts roll forming, dry after the demoulding;
E, glazing: oxidation ceramic whiteware billet surface after the drying executes last layer hard transparent glaze;
F, to burn till: the oxidation ceramic whiteware base substrate after glazing is sent in tunnel furnace and has fired, after kiln discharge cooling finished product.
5. a kind of preparation method being oxidized china clay as claimed in claim 4, is characterized in that: described step a also comprises obtained mud is crossed 220 mesh sieves.
6. a kind of preparation method being oxidized china clay as claimed in claim 4, is characterized in that: the firing temperature of described step f is 1250 ~ 1270 DEG C, firing time 11 ~ 12 hours.
7. a kind of preparation method being oxidized china clay as claimed in claim 4, is characterized in that: the tunnel furnace of described step f is 54 meters or 66 meters of automatical and efficient energy-saving tunnel kilns.
8. a kind of preparation method being oxidized china clay as claimed in claim 4, is characterized in that: described useless ceramic whiteware powder is that the discarded common daily broken ball milling of ceramic whiteware of building forms; Cobalt blue pigment cobalt oxide is technical grade cobalt oxide.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105272149A (en) * | 2015-10-14 | 2016-01-27 | 德化恒忆陶瓷艺术股份有限公司 | High-whiteness porcelain petunse and manufacture technology thereof |
CN106478067A (en) * | 2016-10-10 | 2017-03-08 | 丽水学院 | A kind of base the Longquan celadon base substrate of raw ore complete utilization and the preparation method of glaze |
CN107216119A (en) * | 2017-06-21 | 2017-09-29 | 泉州市陶瓷科学技术研究所 | Ceramic whiteware and its preparation technology are built in Dehua |
CN114315312A (en) * | 2021-12-17 | 2022-04-12 | 邱小平 | Aurous ceramic adopting lithium battery waste and preparation method thereof |
CN114873988A (en) * | 2022-04-29 | 2022-08-09 | 湖南华联瓷业股份有限公司 | New daily-use porcelain prepared from waste ceramics and preparation method thereof |
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CN101585699A (en) * | 2009-06-22 | 2009-11-25 | 广东金鑫陶瓷实业有限公司 | Gaobaini thin raw tire ceramics and preparation method thereof |
CN101700973A (en) * | 2009-11-06 | 2010-05-05 | 上海美标陶瓷有限公司 | Blank body of fine porcelain ceramic, preparation method and application thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101585699A (en) * | 2009-06-22 | 2009-11-25 | 广东金鑫陶瓷实业有限公司 | Gaobaini thin raw tire ceramics and preparation method thereof |
CN101700973A (en) * | 2009-11-06 | 2010-05-05 | 上海美标陶瓷有限公司 | Blank body of fine porcelain ceramic, preparation method and application thereof |
Non-Patent Citations (1)
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105272149A (en) * | 2015-10-14 | 2016-01-27 | 德化恒忆陶瓷艺术股份有限公司 | High-whiteness porcelain petunse and manufacture technology thereof |
CN106478067A (en) * | 2016-10-10 | 2017-03-08 | 丽水学院 | A kind of base the Longquan celadon base substrate of raw ore complete utilization and the preparation method of glaze |
CN107216119A (en) * | 2017-06-21 | 2017-09-29 | 泉州市陶瓷科学技术研究所 | Ceramic whiteware and its preparation technology are built in Dehua |
CN107216119B (en) * | 2017-06-21 | 2019-09-20 | 泉州市陶瓷科学技术研究所 | Ceramic whiteware and its preparation process are built in Dehua |
CN114315312A (en) * | 2021-12-17 | 2022-04-12 | 邱小平 | Aurous ceramic adopting lithium battery waste and preparation method thereof |
CN114873988A (en) * | 2022-04-29 | 2022-08-09 | 湖南华联瓷业股份有限公司 | New daily-use porcelain prepared from waste ceramics and preparation method thereof |
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