CN102924045A - Vitrification ceramic tile, preform body of the vitrification ceramic tile and preparation method of vitrification ceramic tile - Google Patents
Vitrification ceramic tile, preform body of the vitrification ceramic tile and preparation method of vitrification ceramic tile Download PDFInfo
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- CN102924045A CN102924045A CN2012104348113A CN201210434811A CN102924045A CN 102924045 A CN102924045 A CN 102924045A CN 2012104348113 A CN2012104348113 A CN 2012104348113A CN 201210434811 A CN201210434811 A CN 201210434811A CN 102924045 A CN102924045 A CN 102924045A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 85
- 238000002360 preparation method Methods 0.000 title claims description 12
- 238000004017 vitrification Methods 0.000 title abstract 7
- 238000010304 firing Methods 0.000 claims abstract description 51
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 36
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000011449 brick Substances 0.000 claims description 61
- 239000000203 mixture Substances 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 22
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 22
- 239000004927 clay Substances 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 12
- 239000004902 Softening Agent Substances 0.000 claims description 11
- 206010016256 fatigue Diseases 0.000 claims description 10
- 235000013312 flour Nutrition 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 9
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical group [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052637 diopside Inorganic materials 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 239000000454 talc Substances 0.000 claims description 8
- 235000012222 talc Nutrition 0.000 claims description 8
- 229910052623 talc Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 239000010427 ball clay Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000007688 edging Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 230000002631 hypothermal effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003701 mechanical milling Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000011734 sodium Substances 0.000 abstract description 31
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 13
- 239000011591 potassium Substances 0.000 abstract description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 230000009044 synergistic interaction Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 43
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 26
- 239000000463 material Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000000395 magnesium oxide Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000010433 feldspar Substances 0.000 description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 7
- 238000011056 performance test Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910052573 porcelain Inorganic materials 0.000 description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000006063 cullet Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 235000019832 sodium triphosphate Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 101710194948 Protein phosphatase PhpP Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 2
- 239000010456 wollastonite Substances 0.000 description 2
- 229910052882 wollastonite Inorganic materials 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052656 albite Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004814 ceramic processing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- -1 polyoxyethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011467 thin brick Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a preform body of a vitrification ceramic tile. A content of Na2O in the preform body is smaller than or equal to 4.53wt%, and a content of K2O is smaller than or equal to 3.66wt%. The preform body of the vitrification ceramic tile limits potassium and sodium contents, overcomes a shortcoming of high brittleness caused by redundancy glass phases in the vitrification ceramic tile, achieves synergistic interaction effects through matching of each component in the vitrification ceramic tile, reduces firing temperature, shortens firing periods and guarantees that products have good process performance and physical and chemical performance.
Description
Technical field
The present invention relates to a kind of vitreous ceramic brick, its blank and preparation method thereof, be specifically related to a kind of ultralow temperature energy-saving vitreous ceramic brick, its blank and preparation method thereof, belong to field of ceramic processing.
Background technology
The vitreous ceramic brick is one of main products of architectural pottery; its conventional firing temperature is between 1210 ± 20 ℃; conventional firing period is between 60 ± 5min; conventional products thickness is between 12 ± 2 millimeters; conventional crystalline structure is generally the feldspar mullite structure; the while prior art prepares the vitreous ceramic brick and uses in a large number resource deficient Guangdong black mud raw material and feldspar raw material, causes raw materials for production in short supply.Therefore, the existing technique of vitreous ceramic brick has that energy consumption is the highest, raw materials for production are in short supply and the problem of environmental pollution.
Many this area researchists reduce firing period for the firing temperature that how to reduce the vitreous ceramic brick, and a lot of effort have been done in developing raw materials for production aspect.
The people such as Yang Jian of the new U.S. pottery in Henan, by introducing the rare raw material of a large amount of feldspars, its product firing temperature only is down to 1192 ± 3 ℃; firing period only foreshortens to the R﹠D and production of 48min(low temperature fast firing vitreous ceramic tiles prescription, Yang Jian etc., pottery; 2003,2:42-43).The people such as Deng Jianguo of Zi Gong million peak companies utilize local raw material to manufacture experimently the production technique of colored macrobead polished tile, and its firing temperature is 1185-1200 ℃, firing period (utilizes local raw material to manufacture experimently colored macrobead polished tile, Deng Jianguo, pottery about 60min, 2002,6:46-48).The people such as Yu Xiaoqin utilize local inferior raw material to carry out reducing the firing temperature test of vitrified tile, and firing temperature is 1170-1180 ℃, the development of firing period 30min(low temperature fast firing porcelain floor tile, and Yu Xiaoqin etc., 2001,37(1): 33-34).
The Chen Jing of Construction Material Industry Science Inst., Sichuan Prov. adopts cullet and burning ash slag to replace feldspar as flux raw material; under the electric furnace condition, burn out the vitrified tile sample; 1150 ℃ of sintering temperatures (are made flux raw material low-firing ceramic tile with waste material; Chen Jing; the Jiangsu pottery; 2006,39(1): 24,29).
CN 1562870(is day on January 12nd, 2005 openly) a kind of utilization is disclosed a little less than the temperature of glaze firing (1200-1220 ℃) of Shi porcelain, burn out the household china that is higher than hard-paste intensity.
DE 20001031430(is day on January 17th, 2002 openly) a kind of low frit apatite glass-ceramics is disclosed, sintering temperature is 1200-1650 ℃.
CN 1907908(is day on February 7th, 2007 openly) a kind of method that adopts low-temperature sintering production polished tile is disclosed, the method is as the main flux raw material, with tripoly phosphate sodium STPP (Na with cullet
3P
5O
10) as less important flux raw material, be aided with other at a low price ceramic raw material, make and be suitable for the polished tile that roller kiln once burn till (firing time 60min, firing temperature≤900 ℃) fast.Although the firing temperature of this patent is lower, this patent adopts more industrial chemicals tripoly phosphate sodium STPP (Na
3P
5O
10) and cullet, its intensity is low can't to realize industrialization.
Thus, only rely on and reduce firing temperature with cullet and industrial reagent in a large number, formulation composition has no change, causes the physicochemical property degradation of product, and production control is difficult, product is easily deformable, salable product are low, can't realize producing at all.Therefore market in urgent need will develop that a kind of cost is low, intensity is high, does not utilize a large amount of use industrial chemicals to cause the production technique of the low temperature vitreous ceramic brick of secondary pollution.
CN 101634184 discloses a kind of large-sized ultra-thin stoneware-quality tiles and preparation method thereof, and raw materials used by weight percentage expression consists of SiO
255～68%, Al
2O
314～28%, Fe
2O
30.5～1.8%, TiO
20.2～1.5%, CaO1～12%, MgO 0.3～1%, K
2O+Na
2O 2～5%.The ultra-thin stoneware-quality brick product of present composition preparation adopts dry-pressing formed, and molding thickness is 3～6mm, and the finished product specification can reach (900～1000) mm * (1800～2000) mm.Introduce 5～30% fiber enhancers in the base substrate, to guarantee ultra-thin stoneware-quality tiles enough intensity and toughness are arranged.The present invention has significantly alleviated the weight of unit surface ceramic tile, has realized preferably energy-saving and cost-reducing target, belongs to environmental protection class building and ornament materials.Will carry out twice firing in the method, the once-firing temperature is 1140-1160 ℃, and the twice firing temperature is 1130-1150 ℃.
CN101050107 discloses a kind of be used for producing ultrathin polished brick in porcelain character and manufacture craft thereof, its raw materials by weight consists of feldspar flux 20-40%, one of clay raw materials 20-30%, the 0-8% of calcium magnesia raw material, anti-crisp dose of 10-30%, base substrate toughener 0.1-1% also can add the ceramics powder that 1-20% can launch negatively charged ion and far infrared rays and make functional ultrathin polished brick in porcelain character.Above raw material by batching-ball milling-sieve-deironing-spraying drying powder process-old-compression moulding-drying-burn till-polish-assortment, is made 800 * 1800 * (3-6) mm porcelain brick of the present invention.Introduced more anti-crisp dose in the base substrate, to guarantee ultra-thin brick the enough intensity of burning till has been arranged.Adopt the ceramic body of the present invention's preparation to have light weight, energy-conservation, the characteristics that can launch negatively charged ion and far infrared rays belong to novel environment friendly class building and ornament materials.But this patent does not relate to any firing temperature.
In the prior art, the preparation technology's of vitreous ceramic brick adjustment is difficult to break through 1180 ℃, this mainly is because cooling easily, guarantees the production performance of vitreous ceramic brick and quality to be difficult to, and mainly has following problem:
(1) in order to reduce firing temperature, the add-on of ceramic formula medium clay soil class raw material is few, so that the insufficient strength of green compact is easily broken when walking drying line and decorative thread;
(2) in order to reduce firing temperature, shorten firing period, introduce a large amount of flux class raw materials in the prescription, so that goods easily produce wave transformation when burning till, big or small first-class defective may cause card kiln accident when serious;
(3) introduce a large amount of flux class raw materials, so that the intensity of low glutinous glassy phase is low in the goods, the effect owing to internal stress when burning till cooling is easy to produce frightened splitting;
(4) existence of a large amount of glassy phases has increased the fragility of ceramic tile greatly in the goods, has reduced heat-shock resistance and the intensity of brick;
(5) low temperature feedstock such as potassium albite is more expensive, generally is used for fabric or glaze, and a large amount of these class raw materials of introducing will increase formulation cost greatly in blank, and this is difficult to accept for the enterprise take profit as target;
(6) the low temperature flux material of introducing is many, and the firing range of brick is narrowed down, and is unfavorable for stably manufactured;
(7) potassium, sodium content are high in the prescription, and the resist chemical performance of product is poor;
Therefore, how developing a kind of flawless vitreous ceramic tiles blank that can low temperature fast firing, is the problem demanding prompt solution in this area.
Summary of the invention
For the deficiencies in the prior art, one of purpose of the present invention is to provide a kind of vitreous ceramic tiles blank that can low temperature fast firing.It is 1100 ± 20 ℃ that the low temperature of described low temperature fast firing means firing temperature, and it is 45 ± 5min that the fast burning of described low temperature fast firing means firing time.
The present invention is achieved through the following technical solutions:
A kind of blank of vitreous ceramic brick, from concrete composition analysis, Na in the described blank
2Content≤4.53wt% of O, such as 4.52wt%, 4.5wt%, 4.45wt%, 4.39wt%, 4.2wt%, 4.15wt%, 4.08wt%, 3.95wt%, 3.5wt%, 2.42wt%, 2.30wt%, 1.8wt% etc., K
2Content≤3.66wt% of O, such as 3.65wt%, 3.61wt%, 3.54wt%, 3.48wt%, 3.7wt%, 3.62wt%, 3.3wt%, 3.0wt%, 2.61wt%, 2.48wt%, 2.3wt%, 1.84wt%, 1.5wt% etc.
In order to reduce the firing temperature of vitreous ceramic brick, in prescription, introduce a large amount of flux class raw materials, so that there are a large amount of glassy phases in the goods, greatly increased the fragility of ceramic tile, reduced heat-shock resistance and the intensity of brick.The present invention solves by the content that reduces potassium, sodium in the prescription because the fragility of the ceramic tile that a large amount of glassy phase causes.
The concrete composition of vitreous ceramic adobe material is well known in the art, or can detect by existing technique means and obtain, and typical but non-limiting example has: described vitreous ceramic adobe material contains SiO
2, K
2O, Na
2O, CaO, MgO, Al
2O
3, Fe
2O
3Or TiO
2In the combination of any a kind or at least 2 kinds, but what research report its concrete content has.And in numerous concrete compositions, the present invention only limits Na
2Content≤4.53wt% of O, K
2Content≤3.66wt% of O.To introduce every problem that a large amount of flux causes in order solving simultaneously, also to be added with lime borate in the raw material of vitreous ceramic brick of the present invention.
Particularly, form from raw material, the blank of vitreous ceramic brick of the present invention, percentage composition comprises following component by weight:
Each component sum of described blank is 100%,
Wherein, described low temperature clay is selected from Zhuhai mud; Describedly contain the lithium washed-out sand and be selected from the Jiangxi washed-out sand; The described effect that contains the lithium washed-out sand is that the blank for the vitreous ceramic brick provides elemental lithium; Described hypothermia grait is selected from the Luoding stone flour;
The effect of described low temperature clay and hypothermia grait is the firing temperature that reduces vitreous ceramic adobe material, and calcium constituent, the magnesium elements of proper ratio is provided simultaneously.
Preferably, described fat clay is selected from the high plasticity clay, preferably from the fat clay of plasticity index 〉=15, is 15.1,15.6,16.3,16.9,18,22 etc. such as the plasticity index of fat clay; Further preferably, described fat clay is selected from the combination of any a kind or at least 2 kinds in wilkinite, ball clay, kieselguhr, the red clay, described combination such as wilkinite/ball clay, kieselguhr/ball clay, red clay/wilkinite, kieselguhr ball clay/wilkinite etc.
Preferably, described auxiliary flux is selected from diopside and/or burns talcum.
As optimal technical scheme, form from raw material, the blank of described vitreous ceramic brick by weight percentage composition comprises following component:
Each component sum of described blank is 100%,
Preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%.
Further preferably, the blank of described vitreous ceramic brick by weight percentage composition comprise following component:
Each component sum of described blank is 100%,
Or described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%.
Preferably; be added with softening agent in the blank of described vitreous ceramic brick; described softening agent is selected from the DOP(dioctyl phthalate (DOP)), the PEG(polyoxyethylene glycol), glycerol, CMC(carboxymethyl cellulose), softening agent HS, softening agent JA, DBP(phthalic acid two fourth vinegar), BBP(butyl phthalate benzene methyl) in the combination of any a kind or at least 2 kinds; such as DOP/PEG, BBP/CMC, glycerol/softening agent HS/PEG, BBP/CMC/PEG etc., preferred DOP/PEG and/or CMC.
Preferably, the chemical constitution of described Zhuhai mud mainly comprises: Al
2O
318-22%, SiO
265-74%, Fe
2O
30.8-1.4%, TiO
20.50-0.53%, K
2O 0.9-1.5%, Na
2O 0.05-0.09%, CaO0.05-0.10%, MgO 0.28-33%; Preferably, the chemical constitution of described Zhuhai mud mainly comprises: Al
2O
320.32%, SiO
269.09%, Fe
2O
31.1%, TiO
20.53%, K
2O 1.17%, Na
2O 0.07%, and CaO 0.07%, and MgO 0.31%.
Preferably, the chemical constitution of described Jiangxi washed-out sand mainly comprises: Al
2O
316-20%, SiO
268-74%, Fe
2O
30.05-0.13%, TiO
20.008-0.013%, K
2O 1.3-1.9%, Na
2O 4-10%, CaO0.20-0.30%, MgO 0.008-0.013%, Li
2O 0.4-1.1%; Preferably, the chemical constitution of described Jiangxi washed-out sand mainly comprises: Al
2O
317.74%, SiO
271.24%, Fe
2O
30.08%, TiO
20.01%, K
2O 1.63%, Na
2O 7.09%, and CaO 0.25%, and MgO 0.01%, Li
2O 0.67%.
Preferably, the chemical constitution of described Luoding stone flour mainly comprises: Al
2O
311-17%, SiO
272-80%, Fe
2O
30.36-0.46%, TiO
20.03-0.05%, K
2O 3-7%, Na
2O 2-4%, CaO 0.1-0.5%, MgO 0.08-0.12%; Preferably, the chemical constitution of described Luoding stone flour mainly comprises: Al
2O
314.02%, SiO
275.77%, Fe
2O
30.41%, TiO
20.04%, K
2O 5.29%, Na
2O 2.7%, and CaO 0.23%, and MgO 0.1%.
Preferably, the chemical constitution of described diopside mainly comprises: Al
2O
31.0-1.8%, SiO
253-71%, Fe
2O
30.3-0.9%, TiO
20.04-0.08%, K
2O 0.13-0.21%, Na
2O 0.33-0.43%, CaO20-28%, MgO 13-21%; Preferably, the chemical constitution of described diopside mainly comprises: Al
2O
31.38%, SiO
256.19%, Fe
2O
30.59%, TiO
20.06%, K
2O 0.17%, Na
2O 0.38%, and CaO 23.6%, and MgO 16.63%.
Preferably, the chemical constitution of described burning talcum mainly comprises: Al
2O
31.3-2.1%, SiO
263-70%, Fe
2O
30.3-0.7%, TiO
20.008-0.012%, K
2O 0.08-0.12%, Na
2O 0.3-0.7%, CaO0.8-1.4%, MgO 22-28%; Preferably, the chemical constitution of described burning talcum mainly comprises: Al
2O
31.74%, SiO
266.19%, Fe
2O
30.49%, TiO
20.01%, K
2O 0.1%, Na
2O 0.48%, and CaO 1.14%, and MgO 24.63%.
As optimal technical scheme, the blank of described vitreous ceramic brick, percentage composition comprises following component by weight:
Each component sum of described blank is 100%,
Preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%,
Further preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%.
As optional technical scheme, the blank of described vitreous ceramic brick, percentage composition comprises following component by weight:
Preferably, described blank by weight percentage composition comprise following component:
" comprising " of the present invention, mean it except described component, can also comprise other components, these other components give described vitreous ceramic adobe material different characteristics.In addition, " comprising " of the present invention, can also replace with enclosed " being " or " by ... form ".
Two of purpose of the present invention provides a kind of vitreous ceramic brick; described vitreous ceramic brick is obtained by the blank sintering of vitreous ceramic brick of the present invention; the thickness of described vitreous ceramic brick is 6-8mm; such as 6.2mm, 6.9mm, 7.5mm, 7.9mm etc.; water-intake rate≤0.5%; such as 0.49%, 0.45%, 0.39% etc., the modulus of rupture 〉=43 are such as 45,48,49,52,57 etc.
Three of purpose of the present invention provides a kind of preparation method of vitreous ceramic brick of the present invention, comprises the steps:
Batching, ball milling sieves, stirs, spraying, old, the pressed compact moulding, drying is burnt till, the edging polishing;
In the described mechanical milling process, control slurry 250 purposes tail over≤and 5%, such as 0.49%, 0.45%, 0.39% etc.
Preferably, described pressed compact is shaped to the moulding of semidrying pressed compact, and the pressure of described pressed compact moulding is 28-34MPa, such as 28.2MPa, 28.8MPa, 29.5MPa, 31.2MPa, 32.8MPa, 33.5MPa etc., preferred 30MPa.
Preferably, described temperature of burning till is 1100 ± 20 ℃, such as 1081 ℃, 1088 ℃, 1092 ℃, 1100 ℃, 1112 ℃, 1120 ℃, 1125 ℃, 1127 ℃, 1129 ℃ etc., described firing period is 45 ± 5min, such as 41min, 43min, 44min, 45min, 47min, 49min, 49.5min etc.; Further preferably, the cold stage of the tail of sintering process is with 20-80 ℃/min cooling, such as 22 ℃/min, 26 ℃/min, 31 ℃/min, 38 ℃/min, 41 ℃/min, 47 ℃/min, 55 ℃/min, 62 ℃/min, 68 ℃/min, 76 ℃/min, 78 ℃/min etc.
Vitreous ceramic adobe material formula provided by the present invention prepares that the preparation method of the method for vitreous ceramic brick and traditional vitreous ceramic brick is roughly the same, and those skilled in the art can design according to the expertise of oneself, and typical but non-limiting example has:
The starting material of the vitreous ceramic adobe material formula that (1) provides by table 1 are prepared burden into ball mill by forklift, and the ball milling fineness is controlled 250 mesh screen residues≤0.5%, such as can being 0.4%, 0.3% etc.; Mud through three roads repeatedly deironing sieve, guarantee to remove not levigate raw material and impurity iron,
(2) powder that step (1) is obtained adopts partly dry-pressing formed, forming pressure 28-34MPa, such as 29MPa, 28.5MPa, 32MPa, 32.6MPa, 33.5MPa, 33.8MPa etc.Simultaneously, it is better that thickness difference same brick is controlled at 30 decimillimeters, is controlled at 40 decimillimeters with four jiaos of thickness differences of a collection of brick better.
(3) burn till and cold machining process
Described temperature of burning till is 1100 ± 20 ℃, such as 1081 ℃, 1088 ℃, 1095 ℃, 1100 ℃, 1105 ℃, 1113 ℃, 1119 ℃ etc.; Described firing period is 45 ± 5min, such as 41min, 44min, 49min etc.; Further preferably, the cold stage of the tail of sintering process is with 20-50 ℃/min cooling, is 22 ℃/min, 29 ℃/min, 35 ℃/min, 39 ℃/min, 45 ℃/min etc. such as rate of temperature fall.
(4) the edging polishing makes the vitreous ceramic brick.
The present invention has optimized the performance of vitreous ceramic brick by following adjusting to technical scheme:
1. in order to reduce firing temperature, the add-on of ceramic formula medium clay soil class raw material is few, so that the insufficient strength of green compact is easily broken when walking drying line and decorative thread.Can solve by adding the methods such as an amount of wilkinite, CMC, increase press pressure for this problem.
2. owing to introducing a large amount of flux class raw materials in the prescription, so that goods easily produce wave transformation when burning till, big or small first-class defective may cause card kiln accident when serious.Can by increase aluminium content in the prescription, add simultaneously an amount of lime borate reduction prescription temperature and solve for this problem.
3. the intensity of low glutinous glassy phase is low in the goods, and generation is frightened to be split because the effect of internal stress is easy to when burning till cooling.Can be by reducing the content of prescription medium sand for this problem, the content that increases stone flour, stone grain solves.
4. the existence of a large amount of glassy phases has increased the fragility of ceramic tile greatly in the goods, has reduced heat-shock resistance and the intensity of brick.Can be by reducing the content of potassium, sodium in the prescription for this problem, the content that increases calcium, magnesium in the prescription solves.
5. the low temperature flux material of introducing is many, and the firing range of brick is narrowed down, and is unfavorable for stably manufactured.Can by increase aluminium content in the prescription, add simultaneously an amount of lime borate reduction prescription temperature and solve for this problem.
6. potassium, sodium content are high in the prescription, and the resist chemical performance of product is poor.Can be by reducing the content of potassium, sodium in the prescription for this problem, the content that increases calcium, magnesium in the prescription solves.
Compared with prior art, beneficial effect of the present invention is:
(1) traditional ceramic wall and floor bricks prescription mainly adopts potassium, sodium as fusing assistant.But fluxing of potassium, sodium is limited in one's ability, simultaneously, introduce the physical and chemical performance of too much potassium, sodium meeting grievous injury product in the prescription, so the firing temperature of ceramic tiles can only be limited to about 1200 ℃.The present invention defines the content of potassium, sodium, cooperate with each component in the vitreous ceramic brick, reach the effect of synergy, solved because in the vitreous ceramic brick, the problem that the fragility that glassy phase too much causes is high, not only reduced firing temperature, shortened firing period, and guaranteed that product has good processing performance and physical and chemical performance;
(2) the present invention selects raw material, and traditional ceramics raw material black mud and feldspar that relinquishes resources is in short supply have been alleviated environmental stress, have linked again circular biological economy.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
At first; the present invention is by the proportioning of the raw material of vitreous ceramic adobe material and each raw material is selected, so that selected raw material reaches the effect of synergy, thereby broken through the technology barriers of vitreous ceramic brick sintering; firing temperature can reach about 1100 ℃, manufactures experimently out qualified product.
Will be at sintering vitrified tile under the very low temperature, the diversification of flux raw material palpus, the present invention adopts " K-Na-Li-Ca-Mg " five yuan of series, and it is carried out compound preferred.Control K
2O and Na
2The content of O, by with the cooperating of other components, reach the effect of synergy, improved the mechanical property of ceramic product, also can make product in burning till, have lower initial melting temperature and wider melt temperature scope, thereby reduce degree of deformation.
When material choice and formulation optimization, the present invention introduces the low temperature fast firing raw materials such as a small amount of wollastonite, diopside, shrinks larger defective to reduce base substrate, offsets its contraction, reduces the deformation of products degree.Consider that simultaneously component plasticity-is relatively poor, increase shaping plasticity therefore intend introducing a small amount of high plasticity clay, and not too affect sintering character.
Second; under the sintered at ultra low temperature condition; flux components is optimized; as choose lime borate as main flux components; choose diopside, burn talcum, the combination of any a kind or at least 2 kinds in the perlite, magnesium titanate zinc, borosilicic acid barium, zinc borate, eudialite is as auxiliary fusing assistant; and take to add fat clay, and cooperate the mode of softening agent to come the base substrate of vitreous ceramic brick is carried out strengthening and toughening, solve the distortion that is difficult to overcome and the large difficult problem of fragility that flux causes more.
The 3rd, the present invention is by the selection to various components, make it reach the effect of synergy with cooperation, significantly improved the folding strength of vitreous ceramic adobe body, for dwindling the thickness of vitreous ceramic brick finished product, preparing ultra-thin vitreous ceramic brick provides condition, provides guarantee for saving energy and reduce the cost simultaneously;
The 4th, the present invention is by to the selection of various components, and cooperates and make its effect that reaches synergy, significantly reduced the shrinking percentage of part sintering, improved the utilization ratio of press, reduced unit square meter porcelain piece powder consumption, supplied guarantee for Energy Conservation simultaneously;
The 5th, the present invention is by the selection to various components, and cooperation makes it reach the effect of synergy, avoided the use of black mud and feldspar raw material, solved vitreous ceramic adobe material supply of raw material problem, and the black mud excavation has solved the day by day rare problem of feldspar to the destruction in farmland;
At last, the present invention is for the inadequate problem of green strength, and the pressure by suitable interpolation wilkinite, CMC, increase press solves; And, the problem such as heat-shock resistance relatively poor low for intensity, by reducing the consumption of sand, the consumption that increases stone grain, stone flour solves; For the poor problem of resist chemical performance, by reducing the content of potassium, sodium, the consumption that increases calcium, magnesium solves;
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment helps to understand the present invention, should not be considered as concrete restriction of the present invention.
Table 1 is the weight percent composition of vitreous ceramic adobe material of the present invention for embodiment 1-9:
The prescription of the blank of the vitreous ceramic brick of table 1 embodiment 1-9 forms
Each raw material of the present invention all can be by commercially available.As:
Zhuhai mud is available from Zhuhai City's mud aggregate plant;
The Jiangxi washed-out sand is available from Nanchang City Sha Chang;
The Luoding stone flour is available from Luoding City's stone flour factory;
Wilkinite is available from Weifang dragon and phoenix wilkinite company limited;
Red clay available from: the Xushui County is chemical building material factory too;
Ball clay available from: the Hua Xiangtao of Huizhou City expects company limited;
Lime borate available from: the Hua Xiangtao of Huizhou City expects company limited;
Wollastonite available from: the Hua Xiangtao of Huizhou City expects company limited;
Burn talcum available from: the Hua Xiangtao of Huizhou City expects company limited;
Diopside available from: the Hua Xiangtao of Huizhou City expects company limited;
The method that the vitreous ceramic adobe material formula that uses embodiment 1-9 to provide prepares the vitreous ceramic brick is identical with the preparation method of traditional vitreous ceramic brick, and those skilled in the art can design according to the expertise of oneself, and typical but non-limiting example has:
The starting material of the vitreous ceramic adobe material formula that (1) provides by table 1 are prepared burden into ball mill by forklift, and the ball milling fineness is controlled 250 mesh screen residues≤0.5%, such as can being 0.4%, 0.3% etc.; Mud through three roads repeatedly deironing sieve, guarantee to remove not levigate raw material and impurity iron,
(2) powder that step (1) is obtained adopts partly dry-pressing formed, forming pressure 28-34MPa, such as 29MPa, 28.5MPa, 32MPa, 32.6MPa, 33.5MPa, 33.8MPa etc.Simultaneously, it is better that thickness difference same brick is controlled at 30 decimillimeters, is controlled at 40 decimillimeters with four jiaos of thickness differences of a collection of brick better.
(3) burn till and cold machining process
Described temperature of burning till is 1100 ± 20 ℃, such as 1081 ℃, 1088 ℃, 1095 ℃, 1100 ℃, 1105 ℃, 1113 ℃, 1119 ℃ etc.; Described firing period is 45 ± 5min, such as 41min, 44min, 49min etc.; Further preferably, the cold stage of the tail of sintering process is with 20-80 ℃/min cooling, is 22 ℃/min, 29 ℃/min, 35 ℃/min, 39 ℃/min, 45 ℃/min, 57 ℃/min, 68 ℃/min, 76 ℃/min etc. such as rate of temperature fall.
(4) the edging polishing makes the vitreous ceramic brick.
Comparative Examples
Disclosed embodiment 2 is as Comparative Examples 1 in the CN 101634184;
Disclosed embodiment 1 is as Comparative Examples 2 in the CN 101050107.
Performance test
Table 2 is the indices of performance test, the testing standard of each index.
The performance test methods tabulation of table 2 vitreous ceramic adobe material
| Test item | Operative norm | National standard |
| Water-intake rate (%) | GB/T3810.3-2006 | ≤0.4 |
| The modulus of rupture (MPa) | ISO10545-4:1994 | Greater than 35 |
| Mohs' hardness | EN101:1984 | 6 grades |
| Resistance to acid | JC/T 1095-2009 | Less than 0.08 |
| Alkali-resistivity | JC/T 1095-2009 | Less than 0.05 |
| Resistance to soiling | JC/T 1095-2009 | Less than 0.08 |
| Heat steady 01 is qualitative | JC/T 1095-2009 | Greater than 3 |
| Internal radiation index (Ira) | GB6566-2001 | Category-A is less than 1.0 |
| External radiation exposure index (I γ) | GB6566_2001 | Category-A is less than 0.6 |
Table 3 is the performance test results contrast table of embodiment 1-6:
The performance test results of table 3 embodiment 1-6 and Comparative Examples
Table 4 is the performance test results contrast table of embodiment 7-9 and Comparative Examples:
The performance test results of table 4 embodiment 7-9 and Comparative Examples
Do as one likes can test result can find out, the present invention is down at firing temperature under 1100 ± 20 ℃ the condition, fires still excellent performance of the vitreous ceramic brick that obtains.Overcome because the increase of the vitreous ceramic brick fragility that a large amount of glassy phases causes, simultaneously since with the cooperating of other raw materials, do not cause because the rising of the firing temperature that the minimizing of potassium, sodium content causes and the prolongation of firing period yet.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, does not mean that namely the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (10)
1. the blank of a vitreous ceramic brick is characterized in that, Na in the described blank
2Content≤4.53wt% of O, K
2Content≤3.66wt% of O.
2. blank as claimed in claim 1 is characterized in that, described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%,
Wherein, described low temperature clay is selected from Zhuhai mud; Describedly contain the lithium washed-out sand and be selected from the Jiangxi washed-out sand; Described hypothermia grait is selected from the Luoding stone flour.
3. blank as claimed in claim 2, it is characterized in that, described fat clay is selected from the high plasticity clay, preferably from the fat clay of plasticity index 〉=15, and the further combination of preferred any a kind or at least 2 kinds in wilkinite, ball clay, kieselguhr, red clay;
Preferably, described auxiliary flux is selected from diopside and/or burns talcum.
4. such as each described blank of claim 1-3, it is characterized in that, described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%,
Preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%.
5. such as each described blank of claim 1-4, it is characterized in that, described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%,
Or described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%.
6. such as each described blank of claim 1-5, it is characterized in that, be added with softening agent in the described blank, described softening agent is selected from the combination of any a kind or at least 2 kinds among DOP, PEG, glycerol, CMC, softening agent HS, softening agent JA, DBP, the BBP, preferred DOP/PEG and/or CMC;
Preferably, the addition of described softening agent is 0.5-5%, preferred 1-5%, further preferred 2-4%;
Preferably, the chemical constitution of described Zhuhai mud mainly comprises: Al
2O
318-22%, SiO
265-74%, Fe
2O
30.8-1.4%, TiO
20.50-0.53%, K
2O 0.9-1.5%, Na
2O 0.05-0.09%, CaO0.05-0.10%, MgO 0.28-33%; Preferably, the chemical constitution of described Zhuhai mud mainly comprises: Al
2O
320.32%, SiO
269.09%, Fe
2O
31.1%, TiO
20.53%, K
2O 1.17%, Na
2O 0.07%, and CaO 0.07%, and MgO 0.31%;
Preferably, the chemical constitution of described Jiangxi washed-out sand mainly comprises: Al
2O
316-20%, SiO
268-74%, Fe
2O
30.05-0.13%, TiO
20.008-0.013%, K
2O 1.3-1.9%, Na
2O 4-10%, CaO0.20-0.30%, MgO 0.008-0.013%, Li
2O 0.4-1.1%; Preferably, the chemical constitution of described Jiangxi washed-out sand mainly comprises: Al
2O
317.74%, SiO
271.24%, Fe
2O
30.08%, TiO
20.01%, K
2O 1.63%, Na
2O 7.09%, and CaO 0.25%, and MgO 0.01%, Li
2O 0.67%;
Preferably, the chemical constitution of described Luoding stone flour mainly comprises: Al
2O
311-17%, SiO
272-80%, Fe
2O
30.36-0.46%, TiO
20.03-0.05%, K
2O 3-7%, Na
2O 2-4%, CaO 0.1-0.5%, MgO 0.08-0.12%; Preferably, the chemical constitution of described Luoding stone flour mainly comprises: Al
2O
314.02%, SiO
275.77%, Fe
2O
30.41%, TiO
20.04%, K
2O 5.29%, Na
2O 2.7%, and CaO 0.23%, and MgO 0.1%;
Preferably, the chemical constitution of described diopside mainly comprises: Al
2O
31.0-1.8%, SiO
253-71%, Fe
2O
30.3-0.9%, TiO
20.04-0.08%, K
2O 0.13-0.21%, Na
2O 0.33-0.43%, CaO20-28%, MgO 13-21%; Preferably, the chemical constitution of described diopside mainly comprises: Al
2O
31.38%, SiO
256.19%, Fe
2O
30.59%, TiO
20.06%, K
2O 0.17%, Na
2O 0.38%, and CaO 23.6%, and MgO 16.63%;
Preferably, the chemical constitution of described burning talcum mainly comprises: Al
2O
31.3-2.1%, SiO
263-70%, Fe
2O
30.3-0.7%, TiO
20.008-0.012%, K
2O 0.08-0.12%, Na
2O 0.3-0.7%, CaO0.8-1.4%, MgO 22-28%; Preferably, the chemical constitution of described burning talcum mainly comprises: Al
2O
31.74%, SiO
266.19%, Fe
2O
30.49%, TiO
20.01%, K
2O 0.1%, Na
2O 0.48%, and CaO 1.14%, and MgO 24.63%.
7. such as the described blank of one of claim 1-6, it is characterized in that, described blank by weight percentage composition comprises following component:
Each component sum of described blank is 100%,
Preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%,
Further preferably, described blank by weight percentage composition comprise following component:
Each component sum of described blank is 100%.
8. such as the described blank of one of claim 1-7, it is characterized in that, described blank by weight percentage composition comprises following component:
Preferably, described blank by weight percentage composition comprise following component:
9. a vitreous ceramic brick is characterized in that, described vitreous ceramic brick is obtained by the blank sintering of the described vitreous ceramic brick of one of claim 1-8, and the thickness of described vitreous ceramic brick is 6-8mm, water-intake rate≤0.5%, the modulus of rupture 〉=43.
10. the preparation method of a vitreous ceramic brick as claimed in claim 9 is characterized in that, described method comprises the steps:
Batching, ball milling sieves, stirs, spraying, old, the pressed compact moulding, drying is burnt till, the edging polishing;
In the described mechanical milling process, control slurry 250 purposes to tail over≤5%;
Preferably, described pressed compact is shaped to the moulding of semidrying pressed compact, and the pressure of described pressed compact moulding is 28-34MPa, preferred 30MPa;
Preferably, described temperature of burning till is 1100 ± 20 ℃, and described firing period is 45 ± 5min; Further preferably, the cold stage of the tail of sintering process lowers the temperature with 20-80 ℃/min.
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| CN108911702A (en) * | 2018-09-18 | 2018-11-30 | 龙泉瓯江青瓷有限公司 | A kind of hard high-strength reinforcing porcelain |
| CN111925195A (en) * | 2020-07-21 | 2020-11-13 | 东莞市唯美陶瓷工业园有限公司 | Ceramic tile with high modulus of rupture and preparation method thereof |
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| CN104803711A (en) * | 2015-04-13 | 2015-07-29 | 东莞市唯美陶瓷工业园有限公司 | Iron ore slag pigment capable of replacing green body black and preparation method of pigment |
| CN104803711B (en) * | 2015-04-13 | 2017-03-15 | 东莞市唯美装饰材料有限公司 | A kind of Iron-ore Slag colorant for replacing base substrate black and preparation method thereof |
| CN105110797A (en) * | 2015-08-03 | 2015-12-02 | 广西新舵陶瓷有限公司 | High-temperature fluxing agent and application |
| CN108911702A (en) * | 2018-09-18 | 2018-11-30 | 龙泉瓯江青瓷有限公司 | A kind of hard high-strength reinforcing porcelain |
| CN111925195A (en) * | 2020-07-21 | 2020-11-13 | 东莞市唯美陶瓷工业园有限公司 | Ceramic tile with high modulus of rupture and preparation method thereof |
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