CN105218070B - A kind of new feldspathic china of intermediate sintering temperature and preparation method thereof - Google Patents
A kind of new feldspathic china 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, crushing, dispensing, ball milling, fineness test, blowing, cross screen out iron, addition calcium sulfate nanofiber and stir, press filtration press filt, pugging, then after straight forming, drying process, through 11 hours, biscuiting was to 1260 DEG C, 60min is incubated, the plain tire of new feldspathic china is obtained after cooling.It this method solve the shortcoming that carcass strength is poor, heat endurance is poor of current feldspathic china.And its production method is scientific and reasonable, it is easy to implement, high yield rate, good product quality, and firing period can be greatly shortened, firing temperature is reduced, significantly reduce production cost, therefore with wide market prospects.
Description
Technical field
The invention belongs to inorganic non-metallic material（Ceramics）Field, and in particular to a kind of new feldspathic china of intermediate sintering temperature and its
Preparation method.
Background technology
With " feldspar-quartz-kaolin " ternary system porcelain of long masonry fluxing agent, it is referred to as feldspathic china.Due to
China's feldspar resource very abundant, oil in place is considerable, and obtained product has that porcelain is pure white, translucent, section is fine and close, inhaled
The advantage that water rate is low, chemical stability is good, firing range is wide, therefore be widely used in household porcelain production.But
Feldspathic china also has the shortcomings that him compared with traditional pate dure, and one is that carcass strength is relatively poor, and product long-term used
Easily production is damaged in journey；Two be that heat endurance is relatively poor, and suddenly cold and hot is in use, product is easily burst.Therefore grind
Study carefully invention a kind of with feldspathic china feature, and the new feldspathic china that carcass strength is big, heat endurance is good is just with very big
Realistic meaning.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of green low-carbon, product strength be high, thermal stability it is good in
New feldspathic china of temperature sintering and preparation method thereof.
To solve above technical problem, the technical scheme is that：A kind of new feldspathic china of intermediate sintering temperature, its feature exists
In the mass percent of the new feldspathic china blank raw material composition is：Feldspar 15 ~ 30%, kaolin 30 ~ 50%, quartz 10 ~
30%th, ripe talcum 3%, lithium porcelain stone 3%, additional nanofiber additive 5 ~ 10%.
The nanofiber additive is calcium sulfate nanofiber.
The preparation method of the above-mentioned new feldspathic china of intermediate sintering temperature, it is characterised in that the raw material of the new feldspathic china base substrate
By picking of raw material, crushing, dispensing, ball milling, fineness test, blowing, mistake screen out iron, addition nanofiber additive and stir equal
Even, press filtration press filt, pugging, without again through old process, then after straight forming, drying process, through 11 hours, biscuiting to 1260
DEG C, 60min is incubated, the plain tire of new feldspathic china is obtained after cooling.
The time of the ball milling process is 20 hours.
The fineness test was molded 250 mesh sieves, tailed over as 0.08 ~ 0.1%.
The molding procedure is using compressing.
The temperature of the drying process is 45 DEG C.
Beneficial effects of the present invention are as follows：
The present invention by adding calcium sulfate nanofiber in the feed, the netted parcel knot formed using it in base substrate
Structure, can not only increase the plasticity and intensity of base substrate and the whiteness and thermal stability of carcass, solve current feldspathic china
The technical problem that carcass strength is poor, heat endurance is poor.And its production method is scientific and reasonable, it is easy to implement, yield rate
Height, good product quality, and firing period can be greatly shortened, firing temperature is reduced, production cost is significantly reduced, because
This has wide market prospects.
Embodiment
Embodiment 1:
（1）Mass percent dispensing is constituted according to new feldspathic china blank raw material：Feldspar 19%, kaolin 45%, quartz
30%th, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 6%；
（2）By picking of raw material, crushing, dispensing, ball milling, fineness test, blowing, mistake screen out iron, addition nanofiber addition
Agent and stir, press filtration press filt, pugging it is standby, the wherein time of ball milling process is 20 hours, and fineness test was molded 250 mesh
Sieve, is tailed over as 0.09%；
（3）By the good base substrate of roll forming after 45 DEG C are dried, through 11 hours, biscuiting was incubated 60min to 1260 DEG C, from
Room temperature kiln discharge is so cooled to, the plain tire of new feldspathic china is obtained；
The whiteness of the plain tire of new feldspathic china is that 85.6, water absorption rate is that 0.06, heat endurance is 200~20 DEG C of heat exchanges
It is secondary not split, the J/cm of center impact strength 2.612, lead, cadmium content are 0.
Embodiment 2:
（1）Mass percent dispensing is constituted according to new feldspathic china blank raw material：Feldspar 30%, kaolin 38%, quartz
26%th, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 8%；
（2）By picking of raw material, crushing, dispensing, ball milling, fineness test, blowing, mistake screen out iron, addition nanofiber addition
Agent and stir, press filtration press filt, pugging it is standby, the wherein time of ball milling process is 20 hours, and fineness test was molded 250 mesh
Sieve, is tailed over as 0.08%；
（3）By the good base substrate of roll forming after 45 DEG C are dried, through 11 hours, biscuiting was incubated 60min to 1260 DEG C, from
Room temperature kiln discharge is so cooled to, the plain tire of new feldspathic china is obtained；
The whiteness of the plain tire of new feldspathic china is that 86.9, water absorption rate is that 0.06, heat endurance is 200~20 DEG C of heat exchanges
It is secondary not split, the J/cm of center impact strength 2.662, lead, cadmium content are 0.
Embodiment 3:
（1）Mass percent dispensing is constituted according to new feldspathic china blank raw material：Feldspar 24%, kaolin 50%, quartz
20%th, ripe talcum 3%, lithium porcelain stone 3%, additional sulfuric acid calcium nanofiber additive 9%；
（2）By picking of raw material, crushing, dispensing, ball milling, fineness test, blowing, mistake screen out iron, addition nanofiber addition
Agent and stir, press filtration press filt, pugging it is standby, the wherein time of ball milling process is 20 hours, and fineness test was molded 250 mesh
Sieve, is tailed over as 0.1%；
（3）By the good base substrate of roll forming after 45 DEG C are dried, through 11 hours, biscuiting was incubated 60min to 1260 DEG C, from
Room temperature kiln discharge is so cooled to, the plain tire of new feldspathic china is obtained；
The whiteness of the plain tire of new feldspathic china is that 87.2, water absorption rate is that 0.06, heat endurance is 200~20 DEG C of heat exchanges
It is secondary not split, the J/cm of center impact strength 2.732, lead, cadmium content are 0.
Above-described embodiment use be compressing method, but be actually not limited only to it is compressing, using injection forming
Or hand-mold process can also prepare new feldspathic china base substrate, molding mode does not influence on the quality for burning till rear product.
Claims (5)
1. a kind of new feldspathic china of intermediate sintering temperature, it is characterised in that the quality percentage of the new feldspathic china blank raw material composition
Than for：Feldspar 15 ~ 30%, kaolin 30 ~ 50%, quartz 10 ~ 30%, ripe talcum 3%, lithium porcelain stone 3%, additional nanofiber additive 5
~10%；The nanofiber additive is calcium sulfate nanofiber；The raw material of the new feldspathic china base substrate presses picking of raw material, powder
Broken, dispensing, ball milling, fineness test, blowing, cross screen out iron, addition nanofiber additive and stir, press filtration press filt, white silk
Mud, without again through old process, then after straight forming, drying process, through 11 hours, biscuiting was incubated 60min to 1260 DEG C,
The plain tire of new feldspathic china is obtained after cooling.
2. the new feldspathic china of intermediate sintering temperature according to claim 1, it is characterised in that the time of the ball milling process is 20
Hour.
3. the new feldspathic china of intermediate sintering temperature according to claim 1, it is characterised in that the fineness test was molded 250
Mesh sieve, is tailed over as 0.08 ~ 0.1%.
4. the new feldspathic china of intermediate sintering temperature according to claim 1, it is characterised in that the molding procedure is used and is pressed into
Type.
5. the new feldspathic china of intermediate sintering temperature according to claim 1, it is characterised in that the temperature of the drying process is 45
℃。
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| CN105218070B true CN105218070B (en) | 2017-08-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693626A (en) * | 2009-10-09 | 2010-04-14 | 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 |
| CN102674804A (en) * | 2012-06-06 | 2012-09-19 | 景德镇陶瓷学院 | Reinforcing porcelain blank suitable for Longquan green glaze and preparation method of product thereof |
| CN103435329A (en) * | 2013-08-19 | 2013-12-11 | 湖南华联瓷业股份有限公司 | Low-water absorption stoneware and production method thereof |
-
2015
- 2015-11-13 CN CN201510772940.7A patent/CN105218070B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693626A (en) * | 2009-10-09 | 2010-04-14 | 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 |
| CN102674804A (en) * | 2012-06-06 | 2012-09-19 | 景德镇陶瓷学院 | Reinforcing porcelain blank suitable for Longquan green glaze and preparation method of product thereof |
| CN103435329A (en) * | 2013-08-19 | 2013-12-11 | 湖南华联瓷业股份有限公司 | Low-water absorption stoneware and production method thereof |
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