CN105218070A - New feldspathic china of a kind of intermediate sintering temperature and preparation method thereof - Google Patents
New feldspathic china of a kind of intermediate sintering temperature and preparation method thereof Download PDFInfo
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Abstract
The invention discloses new feldspathic china of a kind of intermediate sintering temperature and preparation method thereof, the mass percent of its raw material composition is: feldspar 15 ~ 30%, kaolin 30 ~ 50%, quartz 10 ~ 30%, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber 5 ~ 10%, through picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add calcium sulfate nanofiber and stir, press filtration press filt, pugging, then after straight forming, drying process, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, namely obtains new feldspathic china element tire after cooling.This method solve the shortcoming that carcass strength is poor, thermostability is poor of current feldspathic china.And its production method is scientific and reasonable, easy to implement, and yield rate is high, good product quality, and can significantly shortens firing period, reduce firing temperature, significantly reduce production cost, therefore there are wide market outlook.
Description
Technical field
The invention belongs to ceramic (pottery) field, be specifically related to new feldspathic china of a kind of intermediate sintering temperature and preparation method thereof.
Background technology
Make " feldspar-quartz-kaolin " three-part system porcelain of fusing assistant with feldspar, be called as feldspathic china.Because China's feldspar resource is very abundant, geologic reserve is considerable, and obtained product has the advantage that porcelain is pure white, translucent, section is fine and close, water-intake rate is low, chemical stability is good, firing range is wide, is therefore widely used in household porcelain production.But feldspathic china also has his shortcoming compared with traditional pate dure, one is that carcass strength is relatively poor, easily produces breakage in product use procedure over a long time; Two is that thermostability is relatively poor, and when suddenly cold and hot uses, product easily bursts.Therefore study invention one and there is feldspathic china feature, and carcass strength new feldspathic china that is large, Heat stability is good just has very large realistic meaning.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of green low-carbon, product strength is high, thermal stability the is good new feldspathic china of intermediate sintering temperature and preparation method thereof.
For solving above technical problem, technical scheme of the present invention is: the new feldspathic china of a kind of intermediate sintering temperature, it is characterized in that, the mass percent of described new feldspathic china blank raw material composition is: feldspar 15 ~ 30%, kaolin 30 ~ 50%, quartz 10 ~ 30%, ripe talcum 3%, lithium porcelain stone 3%, additional nanofiber additive 5 ~ 10%.
Described nanofiber additive is calcium sulfate nanofiber.
The preparation method of the new feldspathic china of above-mentioned intermediate sintering temperature, it is characterized in that, the raw material of described new feldspathic china base substrate presses picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add nanofiber additive and stir, press filtration press filt, pugging, without the need to again through old operation, then after straight forming, drying process, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, namely obtains new feldspathic china element tire after cooling.
The time of described ball milling operation is 20 hours.
Described fineness test shaping mistake 250 mesh sieve, tailing over is 0.08 ~ 0.1%.
Described molding procedure adopts compression moulding.
The temperature of described drying process is 45 degree.
Beneficial effect of the present invention is as follows:
The present invention is by adding calcium sulfate nanofiber in the feed, the netted package structure utilizing it to be formed in base substrate, not only can increase the plasticity-of base substrate and the whiteness of intensity and carcass and thermal stability, solve the technical problem that carcass strength is poor, thermostability is poor of current feldspathic china.And its production method is scientific and reasonable, easy to implement, and yield rate is high, good product quality, and can significantly shortens firing period, reduce firing temperature, significantly reduce production cost, therefore there are wide market outlook.
Embodiment
Embodiment 1:
(1) according to new feldspathic china blank raw material composition mass percent batching: feldspar 19%, kaolin 45%, quartz 30%, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 6%;
(2) by picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add nanofiber additive and stir, press filtration press filt, pugging be for subsequent use, wherein the time of ball milling operation is 20 hours, fineness test shaping mistake 250 mesh sieve, and tailing over is 0.09%;
(3) by base substrate good for roll forming after 45 DEG C of dryings, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, naturally cool to room temperature kiln discharge, obtain new feldspathic china element tire;
The whiteness of described new feldspathic china element tire is 85.6, water-intake rate is 0.06, thermostability is that 200 ~ 20 DEG C of heat exchange secondaries do not split, center resistance to impact shock 2.61J/cm
2, plumbous, cadmium content is 0.
Embodiment 2:
(1) according to new feldspathic china blank raw material composition mass percent batching: feldspar 30%, kaolin 38%, quartz 26%, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 8%;
(2) by picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add nanofiber additive and stir, press filtration press filt, pugging be for subsequent use, wherein the time of ball milling operation is 20 hours, fineness test shaping mistake 250 mesh sieve, and tailing over is 0.08%;
(3) by base substrate good for roll forming after 45 DEG C of dryings, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, naturally cool to room temperature kiln discharge, obtain new feldspathic china element tire;
The whiteness of described new feldspathic china element tire is 86.9, water-intake rate is 0.06, thermostability is that 200 ~ 20 DEG C of heat exchange secondaries do not split, center resistance to impact shock 2.66J/cm
2, plumbous, cadmium content is 0.
Embodiment 3:
(1) according to new feldspathic china blank raw material composition mass percent batching: feldspar 24%, kaolin 50%, quartz 20%, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 9%;
(2) by picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add nanofiber additive and stir, press filtration press filt, pugging be for subsequent use, wherein the time of ball milling operation is 20 hours, fineness test shaping mistake 250 mesh sieve, and tailing over is 0.1%;
(3) by base substrate good for roll forming after 45 DEG C of dryings, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, naturally cool to room temperature kiln discharge, obtain new feldspathic china element tire;
The whiteness of described new feldspathic china element tire is 87.2, water-intake rate is 0.06, thermostability is that 200 ~ 20 DEG C of heat exchange secondaries do not split, center resistance to impact shock 2.73J/cm
2, plumbous, cadmium content is 0.
What above-described embodiment adopted is all shaping method to suppress, but is in fact not limited only to compression moulding, and adopt injection forming or hand-mold process also can prepare new feldspathic china base substrate, molding mode does not affect the quality of burning till rear product.
Claims (7)
1. the new feldspathic china of intermediate sintering temperature, it is characterized in that, the mass percent of described new feldspathic china blank raw material composition is: feldspar 15 ~ 30%, kaolin 30 ~ 50%, quartz 10 ~ 30%, ripe talcum 3%, lithium porcelain stone 3%, additional nanofiber additive 5 ~ 10%.
2. the new feldspathic china of intermediate sintering temperature according to claim 1, is characterized in that, described nanofiber additive is calcium sulfate nanofiber.
3. the preparation method of the new feldspathic china of intermediate sintering temperature according to claim 1, it is characterized in that, the raw material of described new feldspathic china base substrate presses picking of raw material, pulverizing, batching, ball milling, fineness test, blowing, deironing of sieving, add nanofiber additive and stir, press filtration press filt, pugging, without the need to again through old operation, then after straight forming, drying process, through 11 hours, biscuiting to 1260 DEG C, insulation 60min, namely obtains new feldspathic china element tire after cooling.
4. the preparation method of the new feldspathic china of intermediate sintering temperature according to claim 3, is characterized in that, the time of described ball milling operation is 20 hours.
5. the preparation method of the new feldspathic china of intermediate sintering temperature according to claim 3, is characterized in that, described fineness test shaping mistake 250 mesh sieve, and tailing over is 0.08 ~ 0.1%.
6. the preparation method of the new feldspathic china of intermediate sintering temperature according to claim 3, is characterized in that, described molding procedure adopts compression moulding.
7. the preparation method of the new feldspathic china of intermediate sintering temperature according to claim 3, is characterized in that, the temperature of described drying process is 45 degree.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107930825A (en) * | 2017-11-24 | 2018-04-20 | 龙岩高岭土股份有限公司 | A kind of method that separation colour developing mineral improve product quality from porcelain stone |
| CN109053139A (en) * | 2017-04-25 | 2018-12-21 | 福建德化五洲陶瓷股份有限公司 | Ceramic whiteware green body and preparation method thereof |
| CN109265142A (en) * | 2018-11-06 | 2019-01-25 | 福建泉州皓佳新材料有限公司 | A method of nano ceramics is synthetically prepared using medical stone and graphene |
| CN113501704A (en) * | 2021-08-02 | 2021-10-15 | 景德镇陶瓷大学 | Slurry for pile carving and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101693626B (en) * | 2009-10-09 | 2012-01-04 | 河北工业大学 | Bone china and preparation method thereof |
| CN102464488A (en) * | 2010-11-04 | 2012-05-23 | 福建省泉州龙鹏集团有限公司 | Medium-temperature-oxidized high-whiteness blue jade porcelain and preparation method thereof |
| CN102674804B (en) * | 2012-06-06 | 2014-03-26 | 景德镇陶瓷学院 | Reinforcing porcelain blank suitable for Longquan green glaze and preparation method of product thereof |
| CN103435329B (en) * | 2013-08-19 | 2015-06-17 | 湖南华联瓷业股份有限公司 | Low-water absorption stoneware and production method thereof |
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- 2015-11-13 CN CN201510772940.7A patent/CN105218070B/en active Active
Non-Patent Citations (1)
| Title |
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| 西北轻工业学院等: "《陶瓷工艺学》", 31 January 2011 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053139A (en) * | 2017-04-25 | 2018-12-21 | 福建德化五洲陶瓷股份有限公司 | Ceramic whiteware green body and preparation method thereof |
| CN109053139B (en) * | 2017-04-25 | 2021-02-09 | 福建德化五洲陶瓷股份有限公司 | White porcelain body and preparation method thereof |
| CN107930825A (en) * | 2017-11-24 | 2018-04-20 | 龙岩高岭土股份有限公司 | A kind of method that separation colour developing mineral improve product quality from porcelain stone |
| CN109265142A (en) * | 2018-11-06 | 2019-01-25 | 福建泉州皓佳新材料有限公司 | A method of nano ceramics is synthetically prepared using medical stone and graphene |
| CN113501704A (en) * | 2021-08-02 | 2021-10-15 | 景德镇陶瓷大学 | Slurry for pile carving and preparation method and application thereof |
| CN113501704B (en) * | 2021-08-02 | 2022-05-17 | 景德镇陶瓷大学 | Slurry for pile carving and preparation method and application thereof |
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