CN105777088A - Calcareous ceramic and preparation method thereof - Google Patents
Calcareous ceramic and preparation method thereof Download PDFInfo
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- CN105777088A CN105777088A CN201610071255.6A CN201610071255A CN105777088A CN 105777088 A CN105777088 A CN 105777088A CN 201610071255 A CN201610071255 A CN 201610071255A CN 105777088 A CN105777088 A CN 105777088A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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Abstract
The invention provides a calcareous ceramic.The calcareous ceramic is prepared from, by mass, 54-76 parts of SiO2, 4-15 parts of Al2O3, 3-12 parts of CaO, 0.4-1.2 parts of K2O, 0.1-1.5 parts of Na2O, 0.1-4 parts of MgO and 0.01-0.8 part of Fe2O3.The calcareous ceramic is prepared from SiO2, Al2O3, CaO, K2O, Na2O, MgO and Fe2O3 with specific contents, and the calcareous ceramic with a high CaO content has a wide sintering temperature range by controlling the content proportions of SiO2, Al2O3, K2O and Na2O with specific constituent contents; besides, CaO serves as a main flux and replaces potassium, sodium and the like to serve as the main raw material, and thus the raw materials are cheaper and easier to obtain; meanwhile, due to the achromatism of a special hedenbergite crystal phase formed by CaO and Fe2O3, the calcareous ceramic is high in whiteness.Experimental results show that the firing temperature of the calcareous ceramic ranges from 1140 DEG C to 1210 DEG C, and the whiteness of the calcareous ceramic is increased by 8-10 degrees compared with that of traditional ceramic with the same coloring matter amount.
Description
Technical field
The present invention relates to technical field of ceramic material, especially relate to a kind of calcareous porcelain and preparation method thereof.
Background technology
Ceramic Tiles, is with the raw mineral materials containing fire-resistant metal-oxide and half-metal oxide, via processes such as grinding, mixing, compacting, sintering, and the building of a kind of porcelain formed or stone matter or ornament materials.Traditional raw material combines with clay, Anhydrite, quartz for essential mineral, and its composition belongs to SiO2—Al2O3—K2O(Na2O) ternary system formula, with K2O、Na2O is main flux, with CaO, MgO or Li2O etc. are auxiliary flux, Fe2O3、TiO2It is objectionable impurities Deng tingle body.In traditional ceramics quality brick, the mass percentage content of CaO is typically smaller than 2%, Fe2O3Mass percentage content is typically smaller than 0.5%, produces the Ceramic Material such as clay, potash feldspar used by traditional high-side Imitation Rock Porcelain Tiles and polish must remove the Fe in raw material2O3、TiO2Deng impurity, could meeting the requirement of high-end brick, the course of processing can cause environmental pollution, the prices of raw materials to go up, and therefore the Faced In Sustainable Development of tradition architectural ceramic industry threatens.
Tradition build in pottery floor tile formula system as the mass percentage content of CaO more than 2% time, firing range narrows, thus causing that flatness is caved in not or easily, and can not meet the prescription of porcelain floor tile.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is in that to provide a kind of calcareous porcelain, and calcareous porcelain firing range provided by the invention is big and whiteness is high.
The invention provides a kind of calcareous porcelain, it is characterised in that including:
Preferably, described SiO2It is 56～74 mass parts.
Preferably, described Al2O3It is 6～14 mass parts.
Preferably, described CaO is 4～10 mass parts.
Preferably, described K2O is 0.5～1.0 mass parts.
Preferably, described Na2O is 0.2～1.2 mass parts.
Preferably, described MgO is 0.2～3 mass parts.
Preferably, the TiO of 0.01～0.3 mass parts is also included2。
The preparation method that the invention provides calcareous porcelain described in a kind of technique scheme, including:
The raw mineral materials meeting mass distribution ratio described in claim 1 is mixed, pelletize, compacting, sintering, obtain calcareous porcelain.
Preferably, described sintering temperature is 1130～1220 DEG C.
Compared with prior art, the invention provides a kind of calcareous porcelain, including: SiO254～76 mass parts；Al2O34～15 mass parts；CaO3～12 mass parts；K2O0.4～1.2 mass parts；Na2O0.1～1.5 mass parts；MgO0.1～4 mass parts；Fe2O30.01～0.8 mass parts.Calcareous porcelain provided by the invention includes the SiO of certain content2、Al2O3、CaO、K2O、Na2O, MgO and Fe2O3Component, by controlling the SiO of specific components content2、Al2O3、K2O、Na2O content proportioning so that the above-mentioned calcareous porcelain of the CaO content of high-load has large-scale sintering temperature, and the present invention replaces potassium, sodium etc. for primary raw material with CaO for main flux, and raw material is more cheap and easy to get；Simultaneously because CaO and Fe2O3The achromicity of the special ferrum calcium brightness crystalline phase formed so that calcareous porcelain whiteness provided by the invention is high.Test result indicate that, the firing temperature of calcareous porcelain provided by the invention is 1140～1210 DEG C, and whiteness increases by 8～10 ° than the traditional porcelain of same coloring material amount.
Detailed description of the invention
The invention provides a kind of calcareous porcelain, it is characterised in that including:
Calcareous porcelain provided by the invention includes the SiO of 54～76 mass parts2, it is preferred to the SiO of 56～74 mass parts2, more preferably the SiO of 58～72 mass parts2。
Calcareous porcelain provided by the invention includes the Al of 4～15 mass parts2O3, it is preferred to the Al of 6～14 mass parts2O3, more preferably the Al of 8～12 mass parts2O3。
In the present invention, described SiO2、Al2O3Source can be preferably one or more in Guangdong clay, Kaolin, bentonite, illite, quartz, quartz sand and silica flour.The present invention is not defined for component and the proportioning of above-mentioned raw materials, as long as meeting said components proportioning of the present invention.
Calcareous porcelain provided by the invention includes the CaO of 3～12 mass parts, it is preferred to the CaO of 4～10 mass parts, more preferably the CaO of 5～9 mass parts.
In the present invention, the source of described CaO can be preferably one or more in wollastonite, calcite, limestone, dolomite mineral raw material, and component and proportioning for above-mentioned raw materials are not defined, as long as meeting said components proportioning of the present invention.
Calcareous porcelain provided by the invention includes the K of 0.4～1.2 mass parts2O, it is preferred to the K of 0.5～1.0 mass parts2O, more preferably the K of 0.6～0.9 mass parts2O。
Calcareous porcelain provided by the invention includes the Na of 0.1～1.5 mass parts2O, it is preferred to the Na of 0.2～1.4 mass parts2O, more preferably the Na of 0.3～1.3 mass parts2O。
In the present invention, described K2O、Na2The source of O can be preferably one or more in potash feldspar, albite, potassium, albite, and the present invention is not defined for component and the proportioning of above-mentioned raw materials, as long as meeting said components proportioning of the present invention.
The present invention is by controlling the SiO of specific components content2、Al2O3、K2O、Na2O content proportioning so that the above-mentioned calcareous porcelain of the CaO content of high-load has large-scale sintering temperature.
Calcareous porcelain provided by the invention includes the MgO of 0.1～4 mass parts, it is preferred to the MgO of 0.2～3 mass parts, more preferably the MgO of 0.5～2.5 mass parts.
Calcareous porcelain provided by the invention includes the Fe of 0.01～0.8 mass parts2O3, it is preferred to the Fe of 0.01～0.5 mass parts2O3, more preferably the Fe of 0.01～0.3 mass parts2O3。
The present invention replaces potassium, sodium etc. for primary raw material with CaO for main flux, and not only raw material sources are abundanter, more cheap and easy to get；Simultaneously because CaO and Fe2O3The achromicity of the special ferrum calcium brightness crystalline phase formed so that calcareous porcelain whiteness provided by the invention is high.
Calcareous porcelain provided by the invention preferably also includes the TiO of 0.01～0.3 mass parts2, more preferably also include the TiO of 0.01～0.2 mass parts2。
Calcareous porcelain provided by the invention is with High-calcium ceramic raw material for main flux material, with containing K2O、Na2The pottery of O is mineralizer raw material, and the calcareous porcelain obtained more adapts to low temperature fast firing than traditional porcelain, and energy-saving and emission-reduction are more environmentally-friendly, lower in cost.
The invention provides a kind of calcareous porcelain, including: SiO254～76 mass parts；Al2O34～15 mass parts；CaO3～12 mass parts；K2O0.4～1.2 mass parts；Na2O0.1～1.5 mass parts；MgO0.1～4 mass parts；Fe2O30.01～0.8 mass parts.Calcareous porcelain provided by the invention includes the SiO of certain content2、Al2O3、CaO、K2O、Na2O, MgO and Fe2O3Component, by controlling the SiO of specific components content2、Al2O3、K2O、Na2O content proportioning so that the above-mentioned calcareous porcelain of the CaO content of high-load has large-scale sintering temperature, and the present invention replaces potassium, sodium etc. for primary raw material with CaO for main flux, and raw material is more cheap and easy to get；Simultaneously because CaO and Fe2O3The achromicity of the special ferrum calcium brightness crystalline phase formed so that calcareous porcelain whiteness provided by the invention is high.Test result indicate that, the firing temperature of calcareous porcelain provided by the invention is 1140～1210 DEG C, and whiteness increases by 8～10 ° than the traditional porcelain of same coloring material amount.
The preparation method that the invention provides calcareous porcelain described in a kind of technique scheme, including:
The raw mineral materials meeting mass distribution ratio described in claim 1 is mixed, pelletize, compacting, sintering, obtain calcareous porcelain.
First the raw mineral materials meeting mass distribution ratio described in claim 1 is mixed by the present invention, obtains mixture.
Mass ratio of the present invention is (54～76): (4～15): (3～12): (0.4～1.2): (0.1～1.5): (0.1～4): (0.01～0.8)；It is preferably (56～74): (6～14): (4～10): (0.5～1.0): (0.2～1.4): (0.2～3): (0.01～0.5)；It is more preferably (58～72): (8～12): (5～9): (0.6～0.9): (0.3～1.3): (0.5～2.5): (0.01～0.3).
The present invention preferably also includes TiO2, described TiO2With SiO2、Al2O3、CaO、K2O、Na2O, MgO and Fe2O3Mass ratio be (0.01～0.3): (54～76): (4～15): (3～12): (0.4～1.2): (0.1～1.5): (0.1～4): (0.01～0.8)；It is preferably (0.01～0.2): (56～74): (6～14): (4～10): (0.5～1.0): (0.2～1.4): (0.2～3): (0.01～0.5)；It is more preferably ((0.01～0.15) :): (8～12): (5～9): (0.6～0.9): (0.3～1.3): (0.5～2.5): (0.01～0.3).
In the present invention, described SiO2、Al2O3Source can be preferably one or more in Guangdong clay, Kaolin, bentonite, illite, quartz, quartz sand and silica flour.The present invention is not defined for component and the proportioning of above-mentioned raw materials, as long as meeting said components proportioning of the present invention.
In the present invention, the source of described CaO can be preferably one or more in wollastonite, calcite, limestone, dolomite mineral raw material, and component and proportioning for above-mentioned raw materials are not defined, as long as meeting said components proportioning of the present invention.
In the present invention, described K2O、Na2The source of O can be preferably one or more in potash feldspar, albite, potassium, albite, and the present invention is not defined for component and the proportioning of above-mentioned raw materials, as long as meeting said components proportioning of the present invention.
After obtaining mixture, it is preferable that also including pulverizing, described pulverizing is preferably waterproof pulverization, and the moisture of described waterproof pulverization is 31～33%, and described smashing fineness is preferably 250 orders.The present invention is not defined for concrete mode and the instrument of described pulverizing, and those skilled in the art know.
For pelletize after described pulverizing, pelletize of the present invention is preferably past spray drying method pelletize, and the present invention is not defined for described spray drying granulation design parameter and instrument, and those skilled in the art know.
For compacting after described pelletize, described compacting is preferably half-dried compressing, and described half-dried compacting is preferably raw material moisture 6.8wt%～7.2wt% compacting.
The present invention is not defined for the instrument of described compacting, pressure and parameter, and those skilled in the art know, it is preferable that the pressure of described compacting can be 280Mpa～310Mpa.
Being preferably dry after described compacting, described dry be preferably that to be dried to moisture be 0.2～0.5%, the present invention is not defined for described dry concrete mode, drying mode well known to those skilled in the art.
Dried being preferably sinters, and described sintering temperature is preferably 1130～1220 DEG C, more preferably 1180～1210 DEG C.
Being preferably polishing after described sintering, the present invention is not defined for design parameter and the technique of described polishing, and those skilled in the art know.
Calcareous porcelain is obtained after described polishing.
Present invention preferably employs in the following manner the firing temperature of calcareous porcelain and the whiteness obtained is measured:
Firing temperature: adopt temperature measuring device to measure temperature；
Whiteness: adopt whiteness instrument to measure whiteness.
In order to further illustrate the present invention, below in conjunction with embodiment, calcareous porcelain provided by the invention and preparation method thereof is described in detail.
Embodiment 1
By 54gSiO2、4gAl2O3、4gCaO、0.6gK2O、0.2gNa2O, 0.5gMgO and 0.4gFe2O3Mixing, is crushed to 250 orders, spray drying granulation, moisture 6.8%, and 290Mpa pressure makes type, and being dried to moisture is 0.2%, 1140 DEG C of sintering, polishing, obtains calcareous porcelain.Adopting mode of the present invention that firing temperature and the whiteness of described calcareous porcelain are measured, result is: firing temperature is 1140；Whiteness is 52 °.
Embodiment 2
By 65gSiO2、10gAl2O3、6gCaO、0.8gK2O、0.5gNa2O, 1gMgO and 0.4gFe2O3Mixing, is crushed to 250 orders, spray drying granulation, moisture 6.8%, and 280Mpa pressure makes type, and being dried to moisture is 0.5%, 1170 DEG C of sintering, polishing, obtains calcareous porcelain.Adopting mode of the present invention that firing temperature and the whiteness of described calcareous porcelain are measured, result is: firing temperature is 1170 DEG C；Whiteness is 50 °.
Embodiment 3
By 74gSiO2、12gAl2O3、10gCaO、1.0gK2O、1.1gNa2O、1.5gMgO、0.3gFe2O3Mixing, is crushed to 250 orders, spray drying granulation, moisture 6.8%, and 290Mpa pressure makes type, and being dried to moisture is 0.4%, 1160 DEG C of sintering, polishing, obtains calcareous porcelain.Adopting mode of the present invention that firing temperature and the whiteness of described calcareous porcelain are measured, result is: firing temperature is 1160 DEG C；Whiteness is 55 °.
Embodiment 4
By 70gSiO2、14gAl2O3、12gCaO、0.4gK2O、0.2gNa2O、1.5gMgO、0.3gFe2O3And 0.1gTiO2Mixing, is crushed to 250 orders, spray drying granulation, moisture 6.8%, and 300Mpa pressure makes type, and being dried to moisture is 0.4%, 1180 DEG C of sintering, polishing, obtains calcareous porcelain.Adopting mode of the present invention that firing temperature and the whiteness of described calcareous porcelain are measured, result is: firing temperature is 1180 DEG C；Whiteness is 57 °.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a calcareous porcelain, it is characterised in that including:
2. calcareous porcelain according to claim 1, it is characterised in that described SiO2It is 56～74 mass parts.
3. calcareous porcelain according to claim 1, it is characterised in that described Al2O3It is 6～14 mass parts.
4. calcareous porcelain according to claim 1, it is characterised in that described CaO is 4～10 mass parts.
5. calcareous porcelain according to claim 1, it is characterised in that described K2O is 0.5～1.0 mass parts.
6. calcareous porcelain according to claim 1, it is characterised in that described Na2O is 0.2～1.2 mass parts.
7. calcareous porcelain according to claim 1, it is characterised in that described MgO is 0.2～3 mass parts.
8. calcareous porcelain according to claim 1, it is characterised in that also include the TiO of 0.01～0.3 mass parts2。
9. a preparation method for the calcareous porcelain described in claim 1, including:
The raw mineral materials meeting mass distribution ratio described in claim 1 is mixed, pelletize, compacting, sintering, obtain calcareous porcelain.
10. preparation method according to claim 9, it is characterised in that described sintering temperature is 1130～1220 DEG C.
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| CN102617122A (en) * | 2012-02-24 | 2012-08-01 | 佛山石湾鹰牌陶瓷有限公司 | Preparation method for super white ceramic vitrified tile produced by using magnesium aluminum silicate as raw material |
| CN103755330A (en) * | 2013-12-30 | 2014-04-30 | 内蒙古工业大学 | Method for preparing quartz ceramic by using desert wind-accumulated sand |
| CN104250093A (en) * | 2013-06-28 | 2014-12-31 | 李建水 | Raw materials formula of lard white ware |
-
2016
- 2016-02-01 CN CN201610071255.6A patent/CN105777088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408679A (en) * | 2002-08-28 | 2003-04-09 | 佛山欧神诺陶瓷有限公司 | Method for producing pattern permeating ceramic tile |
| CN1613817A (en) * | 2004-11-29 | 2005-05-11 | 佛山石湾鹰牌陶瓷有限公司 | Production for ceramic composite bricks |
| CN102617122A (en) * | 2012-02-24 | 2012-08-01 | 佛山石湾鹰牌陶瓷有限公司 | Preparation method for super white ceramic vitrified tile produced by using magnesium aluminum silicate as raw material |
| CN104250093A (en) * | 2013-06-28 | 2014-12-31 | 李建水 | Raw materials formula of lard white ware |
| CN103755330A (en) * | 2013-12-30 | 2014-04-30 | 内蒙古工业大学 | Method for preparing quartz ceramic by using desert wind-accumulated sand |
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Application publication date: 20160720 |