CN104961443A - High-strength deformation-resistant engineering ceramic product and preparation method thereof - Google Patents

High-strength deformation-resistant engineering ceramic product and preparation method thereof Download PDF

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Publication number
CN104961443A
CN104961443A CN201510456922.8A CN201510456922A CN104961443A CN 104961443 A CN104961443 A CN 104961443A CN 201510456922 A CN201510456922 A CN 201510456922A CN 104961443 A CN104961443 A CN 104961443A
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blank
hour
firing
deformation
strength
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周玉萍
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JIANGSU PROVINCE YIXING CAITAO CRAFTWORK FACTORY
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JIANGSU PROVINCE YIXING CAITAO CRAFTWORK FACTORY
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Abstract

The invention belongs to the field of ceramic preparation, and particularly relates to a high-strength deformation-resistant engineering ceramic product and a preparation method thereof. The preparation method comprises the following steps: proportioning washed kaolin, Changxing white clay, calcined quartz, feldspar, pyrauxite, wollastonite and spodumene used as raw material, carrying out ball milling, iron removal, aging, pressure filtration and pulping by stirring to obtain a formed blank, carrying out injection forming to prepare a billet, carrying out bisque firing, drying, and carrying out glaze firing. According to the preparation method, the wollastonite, spodumene and other materials are used instead of partial materials in the traditional ceramic blank formula, and a reasonable firing regime is adopted, thereby promoting the generation of the mullite and the generation of the high-strength corundum phase during firing, and reducing the generation of the liquid glass phase and bubbles. The tight coupling of the billet and glaze and the prolonging of the holding time are beneficial to the growth of the crystal, and the volume density becomes higher. The prepared high-strength deformation-resistant engineering ceramic product has the characteristics of high mechanical strength, small thermal expansion coefficient, deformation resistance and the like.

Description

High strength resistance to deformation engineering ceramics goods and preparation method thereof
Technical field
The invention belongs to field of ceramic preparation, be specifically related to high strength resistance to deformation engineering ceramics goods and preparation method thereof.
Background technology
The blank formulation that traditional earthenware porcelain receptacle generally adopts is made up of clay, kaolin, quartz, feldspar, by wet-milling, making beating, shaping, dry, high temperature burn till method preparation, the mixture of high temperature sintering process andesine and quartz can produce more liquid phase, cause that viscosity of high-temperature melt is low, shrinking percentage is larger, largely have impact on the distortion of earthenware porcelain receptacle, earthenware porcelain receptacle prepared by the method all adopts natural matter, and energy consumption is high, contaminate environment, carbon emission are high, cost is high.High strength resistance to deformation engineering ceramics container is higher to the intensity of product, water-intake rate, thermostability, resistance to deformation, erosion-resisting requirement, therefore existing ceramic material can not meet the requirement of high strength resistance to deformation engineering ceramics container, is badly in need of the blank formulation of a kind of energy of exploitation production high strength resistance to deformation engineering ceramics container and rational firing process.
Summary of the invention
The object of the invention is to solve the problem, the basis that traditional earthenware porcelain receptacle makes carrying out researching and developing and innovates, adopt unique and rational blank formulation and firing process, a kind of preparation method of high strength resistance to deformation engineering ceramics goods is provided.
Object of the present invention can be reached by following measures:
High strength resistance to deformation engineering ceramics goods, prepare gained by following steps:
(1) blank batching, following blank stock is prepared burden according to mass fraction, water-washed kaoline 25-29 part, Changxing white clay 32-37 part, calcining quartz 8-12 part, feldspar 5-8 part, agalmatolite 12-16 part, wollastonite 3-5 part, triphane 1-3 part;
(2) shaping blank, carry out ball milling after blank stock, abrading-ball and water being mixed, then sieve, deironing, old, press filtration, stirringization slurry, obtain shaping blank, shaping blank makes base substrate through injection forming;
(3) biscuiting, carries out biscuiting by base substrate;
(4) glazing is burnt till: adopted by the base substrate after biscuiting the method for leaching glaze to carry out glazing, carry out glaze firing after to be dried.
In step (2), described blank stock, abrading-ball and water mixture mass ratio are 1 ﹕ 1.05-1.1 ﹕ 0.7-0.9, and preferably the proportioning of 1 ﹕ 1.09 ﹕ 0.83 enters ball cylinder ball milling, and Ball-milling Time is 22-25 hour, preferably 24 hours.
Press filtration described in step (2), press filtration blank to water ratio is 19-20%.
Biscuiting temperature described in step (3) is 1030-1050 DEG C, preferably 1040 DEG C, and firing period is 4.5-5 hour.
Glaze firing described in step (4) adopts roller kiln oxydizing flame to burn till, and firing temperature is 1195-1205 DEG C, and firing period is 5.5-6 hour.Sintering curve is: in 1.5-2 hour, and in kiln, temperature at the uniform velocity rises to 920 DEG C; At the uniform velocity rise to 1205 DEG C again in 1-1.5 hour, be incubated 20 minutes; Then in 0.5-1 hour, 1080 DEG C are down to; 820 DEG C are down to fast in 20 minutes; 650 DEG C are down at a slow speed in 0.5-1 hour; Naturally cool to normal temperature, burn till kiln discharge.
The key technical indexes of high strength resistance to deformation engineering ceramics goods is as follows: water-intake rate: 0.2-0.5%; Resistance to deformation intensity: be greater than 20mpa; Verticality is out of shape: be not more than 0.3%; Thermostability: 20-160 DEG C of heat exchange secondary does not split; Lead release: be less than 0.1ppm; Quantity of cadmium release: be less than 0.01ppm.
High strength resistance to deformation engineering ceramics goods provided by the invention and preparation method thereof, adopt wollastonite, the materials such as triphane instead of the part feldspar in traditional ceramics blank formulation, agalmatolite replaces quartz and clay, and adopt rational calcining system, when making to burn till promote mullite generate and high strength hard rock phase go out generate, decrease the generation of liquid glass phase and pore, base glaze is combined closely, the prolongation of soaking time, be conducive to the growth of crystal, volume density is also larger, therefore it is high that the high strength resistance to deformation engineering ceramics goods that this technique is made have physical strength, thermal expansivity is little, the features such as resistance to deformation, it is plumbous, quantity of cadmium release is less than 0.1ppm and 0.01ppm respectively, reach international the strictest standard regulation.
Triphane crystal is column, granular or tabular, canescence, a small amount of directly introducing in blank can be used as strong fusing assistant, reduce ceramic sintered product temperature, facilitating in high temperature sintering process is interweaved reticulates the generation of the secondary acicular mullite of structure and the corundum phase of high strength, improves the physical strength of ceramic.
Adopt calcining quartz stability better, quartz is after about 1000 DEG C calcining chillings, inner generation product type transforms, control to heat up and rate of cooling, make the quartz transition after calcining be the stable cristobalite of crystalline structure, cristobalite can prevent blank deformation, and when burning till, the impact that base substrate shrinks is offset in the thermal expansion of quartz, enter to form together with mullite crystal the skeleton of ceramic ware at high temperature, considerably increase the ability of ceramic resistance to deformation.
Wollastonite is single-crystal platy, and its aggregate, in threadiness or tubulose, is conducive to shaping and quick discharge that is moisture, accelerates drying process, and it is not containing crystal water and organism, not yielding when shrinking little, shaping.
Agalmatolite is crystalline structure, belong to layer silicate mineral, quality is soft fine and smooth, and hardness is little, there is soapy feeling, be conducive to shaping, improve base substrate physical strength, stablize blank structure, add wollastonite in base substrate, agalmatolite can adopt quick process for calcining to burn till, range of expansion coefficient is little, ensures the consistence of product, has good thermostability.
Water-washed kaoline primarily of 2 microns small sheet, tubulose, bunch mineral composition of the contour ridge of laminated, often can accompany some mica groups, irony and some organic impuritys.Kaolin after washing eliminates the various impurity in raw material, makes chemical constitution, mineral composition, granulometric composition more meet the quality requirements of goods.
Changxing white clay: be hydromica class mineral, ore is white chunks clay, accompanies kaolin, quartz, and impure amount is low, and quality is purer, plasticity-is better, as bonding clay.
Feldspar Chemical Composition is water-free basic metal or alkaline earth metal aluminosilicate, mainly the aluminosilicate of potassium, sodium, calcium and a small amount of barium, as flux effect.
Embodiment
The concrete technical scheme of the present invention is described in conjunction with the embodiments.
embodiment 1:
(1) row parts by weight proportioning pressed by blank:
Water-washed kaoline 27.6 parts, Changxing white clay 34.5 parts, calcining quartz 11.2 parts, feldspar 6.4 parts, agalmatolite 14.3 parts, wollastonite 3.8 parts, triphane 2.2 parts;
Water-washed kaoline 25-29 part, Changxing white clay 32-37 part, calcining quartz 8-12 part, feldspar 5-8 part, agalmatolite 12-16 part, wollastonite 3-5 part, triphane 1-3 part;
(2) each component raw material is above taken, Liao ﹕ Qiu ﹕ water=1 ﹕ 1.09 ﹕ 0.83 proportioning goal cylinder ball milling Aned to above-mentioned batching, Ball-milling Time is 24 hours, ball milling sieves after going out cylinder deironing, carrying out press filtration to blank water ratio through 40kg pressure filter is again 19-20%, again through stirringization slurry, obtain shaping blank.
(3) adopt filling forming method to obtain base substrate above-mentioned shaping blank, carry out biscuiting through 1030 DEG C.
(4) adopted by the base substrate after biscuiting the method for leaching glaze to carry out glazing, carry out glaze firing after to be dried, glaze firing adopts roller kiln oxydizing flame to burn till, and firing temperature is 1195-1205 DEG C, and firing period is 5.5-6 hour.Sintering curve is: in 1.5-2 hour, and in kiln, temperature at the uniform velocity rises to 920 DEG C; At the uniform velocity rise to 1205 DEG C again in 1-1.5 hour, be incubated 20 minutes; Then in 0.5-1 hour, 1080 DEG C are down to; 820 DEG C are down to fast in 20 minutes; 650 DEG C are down at a slow speed in 0.5-1 hour; Naturally cool to normal temperature, burn till kiln discharge.
embodiment 2:
(1) row parts by weight proportioning pressed by blank:
Water-washed kaoline 25 parts, Changxing white clay 37 parts, calcining quartz 8 parts, feldspar 8 parts, agalmatolite 12 parts, wollastonite 5 parts, triphane 1 part;
(2) each component raw material is above taken, Liao ﹕ Qiu ﹕ water=1 ﹕ 1 ﹕ 1.05 ﹕ 0.9 proportioning goal cylinder ball milling Aned to above-mentioned batching, Ball-milling Time is 22 hours, ball milling sieves after going out cylinder deironing, carrying out press filtration to blank water ratio through 40kg pressure filter is again 19-20%, again through stirringization slurry, obtain shaping blank.
(3) adopt filling forming method to obtain base substrate above-mentioned shaping blank, carry out biscuiting through 1040 DEG C.
(4) adopted by the base substrate after biscuiting the method for leaching glaze to carry out glazing, carry out glaze firing after to be dried, glaze firing adopts roller kiln oxydizing flame to burn till, and firing temperature is 1195-1205 DEG C, and firing period is 5.5-6 hour.Sintering curve is: in 1.5-2 hour, and in kiln, temperature at the uniform velocity rises to 920 DEG C; At the uniform velocity rise to 1205 DEG C again in 1-1.5 hour, be incubated 20 minutes; Then in 0.5-1 hour, 1080 DEG C are down to; 820 DEG C are down to fast in 20 minutes; 650 DEG C are down at a slow speed in 0.5-1 hour; Naturally cool to normal temperature, burn till kiln discharge.
embodiment 3:
(1) row parts by weight proportioning pressed by blank:
Water-washed kaoline 29 parts, Changxing white clay 32 parts, calcining quartz 12 parts, feldspar 5 parts, agalmatolite 16 parts, wollastonite 3 parts, triphane 3 parts;
(2) each component raw material is above taken, Liao ﹕ Qiu ﹕ water=1 ﹕ 1 ﹕ 1.1 ﹕ 0.7 proportioning goal cylinder ball milling Aned to above-mentioned batching, Ball-milling Time is 25 hours, ball milling sieves after going out cylinder deironing, carrying out press filtration to blank water ratio through 40kg pressure filter is again 19-20%, again through stirringization slurry, obtain shaping blank.
(3) adopt filling forming method to obtain base substrate above-mentioned shaping blank, carry out biscuiting through 1050 DEG C.
(4) adopted by the base substrate after biscuiting the method for leaching glaze to carry out glazing, carry out glaze firing after to be dried, glaze firing adopts roller kiln oxydizing flame to burn till, and firing temperature is 1195-1205 DEG C, and firing period is 5.5-6 hour.Sintering curve is: in 1.5-2 hour, and in kiln, temperature at the uniform velocity rises to 920 DEG C; At the uniform velocity rise to 1205 DEG C again in 1-1.5 hour, be incubated 20 minutes; Then in 0.5-1 hour, 1080 DEG C are down to; 820 DEG C are down to fast in 20 minutes; 650 DEG C are down at a slow speed in 0.5-1 hour; Naturally cool to normal temperature, burn till kiln discharge.

Claims (6)

1. high strength resistance to deformation engineering ceramics goods, is characterized in that: prepare gained by following steps:
(1) blank batching, following blank stock is prepared burden according to mass fraction, water-washed kaoline 25-29 part, Changxing white clay 32-37 part, calcining quartz 8-12 part, feldspar 5-8 part, agalmatolite 12-16 part, wollastonite 3-5 part, triphane 1-3 part;
(2) shaping blank, carry out ball milling after blank stock, abrading-ball and water being mixed, then sieve, deironing, old, press filtration, stirringization slurry, obtain shaping blank, shaping blank makes base substrate through injection forming;
(3) biscuiting, carries out biscuiting by base substrate;
(4) glazing is burnt till: adopted by the base substrate after biscuiting the method for leaching glaze to carry out glazing, carry out glaze firing after to be dried.
2. high strength resistance to deformation engineering ceramics goods according to claim 1, it is characterized in that: the blank stock described in step (2), abrading-ball and water mixture mass ratio are that the proportioning of 1 ﹕ 1.05-1.1 ﹕ 0.7-0.9 enters ball cylinder ball milling, and Ball-milling Time is 22-25 hour.
3. high strength resistance to deformation engineering ceramics goods according to claim 1 and 2, it is characterized in that: the press filtration described in step (2), press filtration blank to water ratio is 19-20%.
4. high strength resistance to deformation engineering ceramics goods according to claim 1, it is characterized in that: the biscuiting temperature described in step (3) is 1030-1050 DEG C, firing period is 4.5-5 hour.
5. the high strength resistance to deformation engineering ceramics goods according to any one of claim 1 to 4, is characterized in that: the glaze firing described in step (4) adopts roller kiln oxydizing flame to burn till, and firing temperature is 1195-1205 DEG C, and firing period is 5.5-6 hour.
6. high strength resistance to deformation engineering ceramics goods according to claim 5, is characterized in that: the sintering curve of described glaze firing is: in 1.5-2 hour, and in kiln, temperature at the uniform velocity rises to 920 DEG C; At the uniform velocity rise to 1205 DEG C again in 1-1.5 hour, be incubated 20 minutes; Then in 0.5-1 hour, 1080 DEG C are down to; 820 DEG C are down to fast in 20 minutes; 650 DEG C are down at a slow speed in 0.5-1 hour; Naturally cool to normal temperature, burn till kiln discharge.
CN201510456922.8A 2015-07-30 2015-07-30 High-strength deformation-resistant engineering ceramic product and preparation method thereof Pending CN104961443A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105439532A (en) * 2015-11-23 2016-03-30 黄亚奇 High-performance pottery and preparation method thereof
CN105732016A (en) * 2016-01-19 2016-07-06 潮州市威成瓷艺有限公司 Heat-resistant ceramic pot and preparation method thereof
CN106495669A (en) * 2016-09-20 2017-03-15 崔松伟 A kind of heat-resistant high-strength ceramic and preparation method thereof
CN106518018A (en) * 2016-09-20 2017-03-22 崔松伟 Ceramic product and production method thereof
CN106518036A (en) * 2016-09-20 2017-03-22 崔松伟 Low-shrinkage-expansion-rate ceramic product and preparing method thereof
CN106565204A (en) * 2016-11-05 2017-04-19 江苏省宜兴彩陶工艺厂 High-performance red-slurry ceramic product and preparation method thereof
CN106565203A (en) * 2016-11-05 2017-04-19 江苏省宜兴彩陶工艺厂 Yellow waste slurry ceramic product and preparation method thereof
CN106673602A (en) * 2016-12-21 2017-05-17 汝州市荣华汝瓷开发有限公司 Process for firing Ru porcelain having thread structure through nine-step method
CN107601897A (en) * 2017-08-31 2018-01-19 江苏省宜兴彩陶工艺厂 The preparation method of the ceramic light yellow glaze of high temperature light
CN109279871A (en) * 2018-10-17 2019-01-29 厦门佳浴智能卫浴有限公司 A kind of ceramic sanitary ceramic body and preparation method thereof
CN110577395A (en) * 2019-10-10 2019-12-17 冯伟坚 High-wear-resistance marble tile and preparation method thereof

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CN103641447A (en) * 2013-04-22 2014-03-19 江苏省宜兴彩陶工艺厂 Preparation method for engineering ceramic acid and alkali resistant container
CN104496561A (en) * 2014-12-26 2015-04-08 梅州峰联陶瓷有限公司 Impact-resistant and high-strength domestic ceramic glaze

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105439532B (en) * 2015-11-23 2018-05-22 黄亚奇 A kind of high-performance pottery and preparation method thereof
CN105439532A (en) * 2015-11-23 2016-03-30 黄亚奇 High-performance pottery and preparation method thereof
CN105732016A (en) * 2016-01-19 2016-07-06 潮州市威成瓷艺有限公司 Heat-resistant ceramic pot and preparation method thereof
CN106495669A (en) * 2016-09-20 2017-03-15 崔松伟 A kind of heat-resistant high-strength ceramic and preparation method thereof
CN106518018A (en) * 2016-09-20 2017-03-22 崔松伟 Ceramic product and production method thereof
CN106518036A (en) * 2016-09-20 2017-03-22 崔松伟 Low-shrinkage-expansion-rate ceramic product and preparing method thereof
CN106565204A (en) * 2016-11-05 2017-04-19 江苏省宜兴彩陶工艺厂 High-performance red-slurry ceramic product and preparation method thereof
CN106565203A (en) * 2016-11-05 2017-04-19 江苏省宜兴彩陶工艺厂 Yellow waste slurry ceramic product and preparation method thereof
CN106673602A (en) * 2016-12-21 2017-05-17 汝州市荣华汝瓷开发有限公司 Process for firing Ru porcelain having thread structure through nine-step method
CN106673602B (en) * 2016-12-21 2020-02-07 汝州市荣华汝瓷开发有限公司 Nine-step firing process for Ru porcelain with threaded structure
CN107601897A (en) * 2017-08-31 2018-01-19 江苏省宜兴彩陶工艺厂 The preparation method of the ceramic light yellow glaze of high temperature light
CN109279871A (en) * 2018-10-17 2019-01-29 厦门佳浴智能卫浴有限公司 A kind of ceramic sanitary ceramic body and preparation method thereof
CN109279871B (en) * 2018-10-17 2021-03-09 厦门佳浴智能卫浴有限公司 Ceramic sanitary ceramic body and preparation method thereof
CN110577395A (en) * 2019-10-10 2019-12-17 冯伟坚 High-wear-resistance marble tile and preparation method thereof

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