CN102826872B - Formula and preparation method of national flag bright red glazed brick - Google Patents

Formula and preparation method of national flag bright red glazed brick Download PDF

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CN102826872B
CN102826872B CN201210349692.1A CN201210349692A CN102826872B CN 102826872 B CN102826872 B CN 102826872B CN 201210349692 A CN201210349692 A CN 201210349692A CN 102826872 B CN102826872 B CN 102826872B
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parts
frit
glaze
coat enamel
red
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CN201210349692.1A
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Chinese (zh)
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CN102826872A (en
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梁桐灿
谭铝光
余国明
欧家瑞
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广东宏陶陶瓷有限公司
广东宏威陶瓷实业有限公司
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Priority to CN201210294497 priority
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Abstract

The invention relates to a formula and preparation method of a national flag bright red glazed brick. On the basis of not changing the existing glazed brick production technique too much, the invention mainly adjusts and optimizes the composition of blank materials, the composition of base/cover coating fused blocks, the preference and proportion of the fused blocks having different properties in base/cover coating, the processing technique of the cover coating, the formula composition of the base coating, the water absorptivity of a biscuit, the firing temperature and the like, thereby ensuring that the fired national flag bright red glazed brick has a dazzlingly beautiful glaze color, is bright like a reflective mirror, and has a high decorative effect and an artistic aesthetic effect; and the color is as pure as the color of a national flag and is glossy and bright, so that the national flag bright red glazed brick can shine like the rising sun. Meanwhile, the technology has high universality, and is readily popularized in the industry.

Description

Formula of a kind of national flag red glaze face brick and preparation method thereof
Technical field
The present invention relates to formula of a kind of national flag red glaze face brick and preparation method thereof.
Background technology
Red glaze is especially as the red glaze of national flag color, it is beautiful as mirror, if bright Chaoyang, colour generation is scarlet, moist light, it is one of glaze kind the famousst and precious in ceramic color glaze, this large red represents lucky, rich and honour, signify celebrating, it is the color that always people like, but this as the red glaze ceramic product of national flag color, the most difficult firing, its colour generation in high temperature is extremely unstable, very responsive again in the atmosphere of firing Zhong Dui firing chamber, slightly variation just can not get a desired effect, so it is very difficult to obtain the purer red glaze ceramic as national flag color.How many ceramic technology personnel of successive dynasties, in order to fire in enormous quantities this famous and precious glaze kind, pay a large amount of painstaking effort, just constantly in heuristic process, can burn once in a while one or two product, often can not be successful but produce in enormous quantities.But in low temperature (lower than 1000 ℃), this large red color is more stable, easy to control, but the ceramic product of easy fired is plumbous, quantity of cadmium release does not reach again requirement, in use can damage the healthy of people.Therefore if develop thisly as the red glaze face brick product of national flag color and make it industrialization, will enrich unique decorative effect of ornamental brick and the competitive power of raising enterprise in high melting glaze face brick is produced.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming, formula of a kind of national flag red glaze face brick and preparation method thereof is provided, the production technique of existing ornamental brick is not being made on the basis of great change, the composition of emphasis to blank, the end, the composition of cover-coat enamel frit, the end, preferred and the proportioning of different performance frit in cover-coat enamel, cover-coat enamel complete processing, the formula of ground-coat enamel forms, biscuit water-intake rate, firing temperatures etc. are adjusted and are optimized, thereby make the national flag red glaze face brick glaze fired bright-colored brilliant, beautiful as mirror, color is pure in national flag color, moist light, if bright Chaoyang, decorative effect and aesthetic are strong, this technology possesses stronger universality simultaneously, is easy in industry promote.
For addressing the above problem, the present invention is achieved through the following technical solutions:
The formula of a kind of national flag red glaze face brick of the present invention, wherein:
Biscuit body: prepare by following weight percent component:
SiO 268~73%, Al 2o 314~17%, CaO+MgO 6~11%, K 2o+Na 2o 1~3%, Fe 2o 3+ TiO 21~2%, all the other auxiliary materials 1~2.5%;
Ground-coat enamel: prepare by following parts by weight of component:
28~32 parts of frit b, 3~6 parts of silica powders, 4~7 parts of zirconium silicates, 4~7 parts of Feldspar Powders, 4~7 parts of aluminum oxide powders, burn 26~30 parts, talcum, 6~9 parts of calcined kaolins, 8~11 parts of kaolin, 0.05~0.1 part of additional Xylo-Mucine, 0.4~0.6 part of tripoly phosphate sodium STPP, 37~40 parts, water;
Cover-coat enamel: prepare by following parts by weight of component:
80~90 parts of frit a, 10~20 parts of frit b, 2~4 parts of additional kaolin, 3~5 parts of cadmium-selenium red occlusion pigments, 0.03~0.05 part of Xylo-Mucine, 0.2~0.4 part of tripoly phosphate sodium STPP, 37~40 parts, water;
Wherein frit a prepares by following weight percent component:
SiO 2?65~67%,Al 2O 3?6~8%,CaO?9~11%,MgO?0.1~0.3%,K 2O?3~5%,Na 2O?0.5~1%,ZnO?3~5%,SrO?0.5~1.5%,PbO?0.5~2%,B 2O 3?1~3%;
Wherein frit b prepares by following weight percent component:
SiO 2?59~61%,Al 2O 3?4~6%,CaO?7~9%,MgO?1~3%,K 2O?2~4%,Na 2O0.5~1%,ZnO?5~7%,Li 2O?0.1~0.5%,TiO 2?0.5~2%,SrO?0.5~1.5%,ZrO 2?5~7%,B 2O 3?4~6%,P 2O 5?0.1~0.5%;
The preparation method who the invention still further relates to a kind of national flag red glaze face brick, it comprises the following steps:
The preparation of A, biscuit body:
The weight percent of the component of biscuit body is:
SiO 268~73%, Al 2o 314~17%, CaO+MgO 6~11%, K 2o+Na 2o 1~3%, Fe 2o 3+ TiO 21~2%, all the other auxiliary materials 1~2.5%;
By the clay that contains said components, potassium felspar sand and albite and quartzy mixed sand, wollastonite raw material, Wingdale raw material, ceramic tile cold-working waste slag and auxiliary material, adding appropriate water is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits again, tail over is 2%~4%, slurry containing 34~36% moisture, through deironing, sieving to spray is dried the powder of making containing 6.5~7.5% moisture, in 300~400 kilograms per centimeter 2automatic hydraulic press moulding under this pressure, dry kiln is dry, and roller kiln burn till, and maximum sintering temperature is 1080 ℃~1140 ℃, and firing period 40~70 minutes burns till rear water-intake rate and is 18.8~19.8% biscuit of ceramics body;
The preparation of B, ground-coat enamel (weight part):
By 28~32 parts of frit b, 3~6 parts of silica powders, 4~7 parts of zirconium silicates, 4~7 parts of Feldspar Powders, 4~7 parts of aluminum oxide powders, burn 26~30 parts, talcum, 6~9 parts of calcined kaolins, 8~11 parts of kaolin, 0.05~0.1 part of additional Xylo-Mucine, 0.4~0.6 part of tripoly phosphate sodium STPP, it is 325 mesh sieves that fineness is worn in 37~40 parts of mixing of water, tailing over is 0.2%~0.3% glaze slip, and the deironing of sieving stores and obtain ground-coat enamel;
The preparation of C, cover-coat enamel (weight part):
By 80~90 parts of frit a, 10~20 parts of frit b, 2~4 parts of additional kaolin, 0.03~0.05 part of Xylo-Mucine, 0.2~0.4 part of tripoly phosphate sodium STPP, it is 325 sieves that fineness is worn in 37~40 parts of mixing of water, tailing over is 0.35%~0.45% glaze slip, the cadmium-selenium red occlusion pigment that adds again 3~5 parts, mix grinding 5~8 minutes, blowing stores and obtains cover-coat enamel through screening out iron;
Wherein:
The preparation of frit a:
The weight percentages of components of frit a is: SiO 265~67%, Al 2o 36~8%, CaO 9~11%, and MgO 0.1~0.3%, K 2o 3~5%, Na 2o 0.5~1%, and ZnO 3~5%, and SrO 0.5~1.5%, and PbO 0.5~2%, B 2o 31~3%;
By containing above-mentioned these components, granularity is less than 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, red lead pellet, boric acid raw material, according to said components scope, prepare burden, mixing machine mixes, frit tank furnace is founded, 1520 ℃~1540 ℃ of the temperature ranges of founding, then shrend becomes frit particle, dries and obtain frit a;
The preparation of frit b:
The weight percentages of components of frit b is: SiO 259~61%, Al 2o 34~6%, CaO 7~9%, and MgO 1~3%, K 2o 2~4%, Na 2o 0.5~1%, and ZnO 5~7%, Li 2o 0.1~0.5%, TiO 20.5~2%, SrO 0.5~1.5%, ZrO 25~7%, B 2o 34~6%, P 2o 50.1~0.5%;
By containing above-mentioned these components, granularity is less than 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, titanium dioxide raw material, according to said components scope, prepare burden, mixing machine mixes, frit tank furnace is founded, 1520 ℃~1540 ℃ of the temperature ranges of founding, then shrend becomes frit particle, dries and obtain frit b;
The preparation of D, product and burning till:
The biscuit body that steps A is obtained, first executes the ground-coat enamel that step B obtains, and glaze volume is about 0.7kg/m 2(moisture glaze slip weight) executes the cover-coat enamel that step C obtains when ground-coat enamel is just dry again, and glaze volume is about 1.18kg/m 2(moisture glaze slip weight), and drenched after cover-coat enamel, glaze should parch in 30 seconds, then pass through side washing, stamp or stamp not, enter roller kiln glaze firing, in the temperature of 115 ℃~1130 ℃, fire, 45~65 minutes time, through edging, baking operation, can be made into finished product.
Wherein:
Described ceramic tile cold-working waste slag is the sewage-sludge waste residue after various wastewater treatments in ceramic polished waste residue, polished tile and ornamental brick production process.
Described potassium felspar sand and albite and quartzy mixed sand comprise high temperature sand (containing more quartz, potassium felspar sand), middle temperature sand, hypothermia grait (containing more albite).
All the other described auxiliary materials comprise water glass, metasilicate pentahydrate sodium.
Described clay comprises black mud, white clay, plaster.
Formula of a kind of national flag red glaze face brick of the present invention and preparation method thereof, by optimizing the composition of blank, the end, the composition of cover-coat enamel frit, the end, preferred and the proportioning of different performance frit in cover-coat enamel, cover-coat enamel complete processing, the formula of ground-coat enamel forms, biscuit water-intake rate, firing temperature etc., body composition and base substrate firing temperature have been optimized in employing, especially in body recipe, added a certain amount of ceramic cold-working waste slag, these waste residues are mainly ceramic polished waste residues, sewage-sludge waste residue in polished tile and ornamental brick production process after various wastewater treatments, these waste residues have not only reduced production cost, reached the object of energy-saving and emission-reduction, while polishing slag, sewage-sludge waste residue in polished tile and ornamental brick production process after various wastewater treatments is again biscuit body water-intake rate, the evenly good assurance of surface ventilation property and hydrophobicity.Because ornamental brick is all to adopt bell jar to carry out glazing in producing, according to infinitesimal analysis principle, bell jar glazing meeting cause the glaze on both sides can be slightly thick glaze in the middle of excessively, conventionally do not add ceramic cold-working waste slag biscuit Ti Yin edge lead angle effect and can cause the density on biscuit Ti Si limit and middle density to differ larger, thereby make the water-intake rate on biscuit Ti Si limit, surface ventilation property and hydrophobic difference are larger, and the product Yin Si limit that therefore adopts bell jar to execute glaze forms greatly frame with the middle time difference that parches.When executing these national flag red glazes, can cause color distortion because of these frames, because of the glaze at edge, to parch the time long simultaneously, and the colorant in glaze can be separated with base glaze because of stop for a long time, cause edge to occur whiting, thereby affect the color development effect of whole product red glaze.And ceramic polished waste residue, in sewage-sludge waste residue in polished tile and ornamental brick production process after various wastewater treatments, contain the bistrique bits that a large amount of polished tile and ornamental brick consume in edging and polishing process, in the composition of these bistrique bits, contain a large amount of silicon carbide and resin, these silicon carbide and resin can produce a large amount of gas in high temperature, these gases are when discharge, can form various spileholes in billet surface, these spileholes can be stayed along with the continuous discharge of gas the surface of biscuit body, form the spilehole of opening, thereby guaranteed the water-intake rate on biscuit Ti Si limit, ventilation property, hydrophobicity and middle uniformity.Therefore when having added biscuit body after ceramic cold-working waste slag and executed this national flag red glaze with these, the time that parches on Qi Si limit is with middle basically identical, can not form frame, the opening spilehole of these biscuit surfaces is again the better channels that in glaze slip, moisture content flows to base substrate middle part simultaneously, and guarantee that work in-process glaze within 30 seconds of executing cover-coat enamel parches completely, and can not cause colorant the form fubai phenomenon separated with base glaze in glaze because parching overlong time.But the firing temperature of biscuit body is applicable to again, too low meeting not exclusively remains in biscuit body because of gaseous emission, while causing glazing, there is pin hole, even when glost kiln, the a large amount of gaseous emissions of secondary easily make glaze produce pin hole, glaze bubble, the defects such as solution cavity, as excess Temperature, can make biscuit body occur foaming and cause glass base, because by analysis, chemical examination, these waste residues are through more than 1140 ℃ during high temperature, can cause base substrate foaming distortion because of silicon carbide gas vigorous reaction, therefore the base substrate optimum burning temperature-forming that adds ceramic cold-working waste slag is 1080 ℃~1140 ℃.
The optimization that cover-coat enamel forms is the key that national flag red glaze face brick is fired, as everyone knows, at numerous ceramics that can make, obtain in the toner of large red decorative effect, it is the most bright-coloured that the colorant that the cadmium sulfoselenide of only take is chromogenic reagent can produce color and luster, the decorative effect that color development is the purest, but due to cadmium sulfoselenide poor heat stability, while heating in air, surpassing 500 ℃ starts to decompose, during higher than 800 ℃, can decompose and blackening completely, lose red color even completely, the cadmium-selenium red colorant on therefore present market is all with ZrSO in order to stablize color development 4fine crystals parcel cadmium sulfoselenide crystal chromophoric group, but even so, the cadmium-selenium red colorant colour generation of this coated is also unstable, very responsive in the atmosphere of firing Zhong Dui firing chamber, and slightly variation just can not get a desired effect.While ZnSO 4fine crystals is very easily separated with cadmium sulfoselenide crystal chromophoric group again when surpassing 1000 ℃ of high temperature; thereby lose the chromophoric effect of protection cadmium sulfoselenide crystal; so it is very difficult to obtain purer red glaze ceramic ware in high temperature; even if having once in a while one or two just in temperature; the suitable place of atmosphere kiln potential energy makes; but often failure again of same area for the second time; say nothing of and resemble ornamental brick and higher than 1110 ℃, burn till like this; be again large-scale production, therefore want to obtain desirable red glaze face brick extremely difficult especially.The applicant finds by hundreds of tests, make packed cadmium selenium red colorant at the temperature of 1115 ℃~1130 ℃, send pure large red as scarlet in national flag, the formula of parent glaze is formed particularly crucial, in the present invention, in cover-coat enamel frit b, added appropriate zircon sand, because the adding of zircon sand, the zircon crystal that can stablize in packed cadmium selenium red colorant is difficult for decomposing in high temperature, thereby the oxygenizement of cutting off air, the volatilization of retardance cadmium sulfoselenide, makes cadmium sulfoselenide color development pure.In cover-coat enamel frit a of the present invention, frit b, all add appropriate Strontium carbonate powder, because SrO can make Si/Al than range widens, in high temperature, can also eliminate the oxidated and twilight state that causes in cadmium selenium colorant surface simultaneously, thereby make bright-colored.In cover-coat enamel frit b of the present invention forms, also added appropriate titanium oxide, because TiO 2molecule can form a kind of vaporization membrane of titaniferous in high temperature; these vaporization membranes are wrapped in cadmium-selenium red colorant and form a kind of effective protective membrane around; thereby prevent that cadmium-selenium red colorant is oxidized, thereby reduced the susceptibility of cadmium-selenium red colorant to furnace atmosphere, make color development pure.Well-known a small amount of Li 2o, PbO, P 2o 5all red color development is had to promoter action, make more gorgeous, the more tender profit of color, therefore, in cover-coat enamel frit of the present invention, added appropriate lithium porcelain stone, red lead pellet, phosphatic rock, to guarantee more stable, gorgeous, the tender profit of large red color development of product.Due to the red glaze ceramic glaze as national flag color, in order to make stable, bright-coloured, the tender profit of color development, beautiful in high temperature.Composition requirement to cover-coat enamel is stricter, and single frit is difficult to be effective in composition, through always countless ceramic technology researchists, study discovery, some Chemical Composition even just content reach 0.01% even still less all can be influential to red color development, and so few Chemical Composition is difficult to realize in single frit formula, because the error all more than 0.01% in batching and batch mixing process, moreover in single glaze, Chemical Composition is more, glaze is more complicated, produce more difficult control, therefore the present invention adopts the frit of two kinds of complete different performances in cover-coat enamel formula forms, and optimize the proportioning of two kinds of frits, thereby manufacture experimently out, in high temperature, make cadmium-selenium red colorant color development stable, pure, bright-coloured, tender profit, beautiful, if bright Chaoyang, symbol rich and honour lucky as the red glaze face brick product of national flag color.Because packed cadmium selenium red colorant is with ZrSiO 4fine crystals parcel cadmium sulfoselenide crystal chromophoric group structure forms, in the course of processing, in ball mill, high alumina ballstone grinds for a long time and can destroy this coated structure, therefore the present invention is first good by parent glaze ball in the cover-coat enamel course of processing, add again colorant at short notice bastard evenly, thereby can not damage the structure of colorant.Because the atmosphere of packed cadmium selenium red colorant in high temperature Zhong Dui firing chamber requires tighter, therefore the ratio that in the present invention, in ground-coat enamel formula composition, burnt talcum, kaolin account for is more, can greatly reduce like this gas emissions in glaze composition in high temperature, make furnace atmosphere stable, the color development of cadmium-selenium red colorant is played to advantageous effect.
Formula of a kind of national flag red glaze face brick provided by the invention and preparation method thereof has the following advantages:
(1) owing to having optimized the composition of blank, in the chemical constitution of cover-coat enamel frit, cover-coat enamel different performance frit preferably and the formula of proportioning, cover-coat enamel complete processing, ground-coat enamel forms, water-intake rate and the firing temperature of biscuit, thereby make packed cadmium selenium red colorant (1115 ℃~1130 ℃) in high temperature if color development is pure in, dazzlingly beautiful, beautiful mirror, bright Chaoyang, moist light red color as large in national flag, the decorative effect of product and aesthetics level greatly be improved.
(2) this product surface planeness, the modulus of rupture, water-intake rate, frictional coefficient, resistance to acids and bases, heat-shock resistance, Lead and cadmium amount all reach GB/T4100-2006, GB6566-2011 and HJ/T297-2006 standard-required.
(3) in body recipe, use a large amount of ceramic cold-working waste slags, made production cost low, reached again the object of energy-saving and emission-reduction.
(4) adopt existing ornamental brick production technique, large red color development is reduced greatly to the susceptibility of kiln firing atmosphere, be easy to realize industrialized scale.
Accompanying drawing explanation
Fig. 1 is the production technological process of preparation national flag red glaze face brick of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Formula of a kind of national flag red glaze face brick of the present invention and preparation method thereof, first prepare biscuit body, in the body recipe chemical composition of table 1 choose corresponding proportion, granularity is less than water glass, the metasilicate pentahydrate sodium of the black mud, white clay, plaster, high temperature sand (containing more quartz, potassium felspar sand) of 3 millimeters, middle temperature sand, hypothermia grait (containing more albite), polishing slag, sewage-sludge waste residue, wollastonite, Wingdale and additional appropriate ratio, prepare burden; Adding appropriate water is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits again, and tailing over is 2%~4%, and containing the slurry of 34~36% moisture, through deironing, sieving to spray is dried the powder of making containing 6.5~7.5% moisture content, in 300~400 kilograms per centimeter 2automatic hydraulic press compression moulding under this pressure, drying enters 160 meters of long roller kiln burns till, 1080 ℃~1140 ℃ of maximum sintering temperatures.Firing period is 40~70 minutes, finally obtains the biscuit of ceramics body that water-intake rate is 18.8~19.8% standby;
Table 1, body recipe chemical composition table (weight percent, %):
Component ??SiO 2 ??Al 2O 3 ??Fe 2O 3 ??TiO 2 ??CaO ??MgO ??K 2O ??Na 2O Loss on ignition Firing temperature ℃ Firing time
??1# ??62.29 ??15.57 ??0.72 ??0.20 ??8.52 ??1.55 ??1.72 ??1.03 ??8.40 ??1110~1120 50 minutes
??2# ??69.04 ??13.24 ??1.21 ??0.21 ??5.69 ??2.35 ??1.42 ??1.41 ??5.43 ??1080~1110 40 minutes
??3# ??67.81 ??15.79 ??1.66 ??0.20 ??4.14 ??1.43 ??1.11 ??0.75 ??7.11 ??1120~1130 60 minutes
??4# ??64.31 ??14.14 ??1.51 ??0.31 ??8.12 ??1.92 ??0.50 ??0.40 ??8.79 ??1130~1140 70 minutes
Prepare frit a: by the chemical composition of table 2 choose corresponding proportion, granularity is less than that 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, red lead are red, boric acid raw material, prepare burden, in mixer, mix 30 minutes, in Cinker clew furnace, found, 1520 ℃~1540 ℃ of glass melting temperatures, shrend becomes frit particle to dry and obtain frit a.
The chemical composition table of table 2, frit a (weight percent, %):
Component ??SiO 2 ??Al 2O 3 ??CaO ??MgO ??K 2O ??Na 2O ??ZnO ??SrO ??PbO ??B 2O 3
??1# ??65 ??8 ??11 ??0.1 ??5 ??0.7 ??5 ??1 ??1.2 ??3
??2# ??66 ??7 ??11 ??0.2 ??5 ??0.7 ??5 ??1.2 ??1.5 ??2.4
??3# ??67 ??6 ??10 ??0.3 ??5 ??1 ??4.2 ??1.5 ??2 ??3
??4# ??67 ??8 ??9 ??0.3 ??5 ??1 ??4.2 ??1.5 ??2 ??2
??5# ??67 ??8 ??11 ??0.3 ??3 ??0.5 ??5 ??0.5 ??2 ??2.7
??6# ??67 ??8 ??11 ??0.3 ??5 ??1 ??3 ??1.5 ??0.5 ??2.7
??7# ??67 ??8 ??10.2 ??0.3 ??4 ??1 ??5 ??1.5 ??2 ??1
Prepare frit b: by the chemical composition of table 3, choose corresponding proportion, granularity is less than 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, titanium dioxide raw material, prepare burden, in mixer, mix 30 minutes, in Cinker clew furnace, found, 1520 ℃~1540 ℃ of glass melting temperatures, shrend becomes frit particle to dry and obtain frit b.
The chemical composition table of table 3, frit b (weight percent, %):
Component ??SiO 2 ??Al 2O 3 ??CaO ??MgO ??K 2O ??Na 2O ??ZnO ??Li 2O ??TiO 2 ??SrO ??ZrO 2 ??B 2O 3 ??P 2O 5
??1# ??61 ??4 ??7 ??3 ??2 ??1 ??5 ??0.25 ??2 ??1.5 ??7 ??6 ??0.25
??2# ??59 ??6 ??9 ??1 ??4 ??0.5 ??6 ??0.5 ??0.5 ??1 ??6 ??6 ??0.5
??3# ??60.5 ??6 ??9 ??2 ??4 ??0.8 ??7 ??0.1 ??1 ??0.5 ??5 ??4 ??0.1
??4# ??60.5 ??5 ??8 ??3 ??3 ??0.8 ??7 ??0.1 ??1 ??0.5 ??6 ??5 ??0.1
Prepare cover-coat enamel: by table 4 cover-coat enamel formula, form and take frit a, frit b, kaolin, the Xylo-Mucine of additional 0.03~0.05 part, the tripoly phosphate sodium STPP of 0.2~0.4 part, the water of 37~40 parts, entering in small, broken bits the tailing over to 325 mesh sieves of ball mill is 0.35%~0.45% glaze slip, add again the cadmium-selenium red occlusion pigment of 3~5 parts to enter in the glaze slip that above-mentioned ball is good, mix grinding is 5~8 minutes again, and blowing is through screening out iron and store and to obtain cover-coat enamel standby.
Table 4, cover-coat enamel formula form table (weight part):
Frit a Frit b Kaolin Cadmium-selenium red occlusion pigment
??80 ??20 ??2 ??3
??85 ??15 ??3 ??4
??90 ??10 ??4 ??5
Prepare ground-coat enamel: by table 5 ground-coat enamel formula, form and take frit b, silica powder, zirconium silicate, Feldspar Powder, aluminum oxide powder, burning talcum, calcined kaolin, kaolin, the Xylo-Mucine of additional 0.05~0.1 part, the tripoly phosphate sodium STPP of 0.4~0.6 part, the water of 37~40 parts, entering in small, broken bits the tailing over to 325 mesh sieves of ball mill is 0.2%~0.3% glaze slip through screening out iron and store and to obtain ground-coat enamel standby.
Table 5, ground-coat enamel formula form table (weight part):
Component Frit b Silica powder Zirconium silicate Feldspar Powder Aluminum oxide powder Burn talcum Calcined kaolin Kaolin
??1# ??28 ??6 ??7 ??4 ??7 ??30 ??7 ??11
??2# ??32 ??3 ??4 ??7 ??7 ??28 ??9 ??10
??3# ??30 ??5 ??6 ??5 ??4 ??30 ??9 ??11
??4# ??32 ??6 ??7 ??7 ??6 ??28 ??6 ??8
??5# ??32 ??6 ??7 ??6 ??5 ??26 ??8 ??10
Finally with bell jar, drench glaze and execute ground-coat enamel in above-mentioned biscuit surface, glaze volume is 0.7kg/m 2(moisture glaze slip weight) executes cover-coat enamel when ground-coat enamel is just dry again, and glaze volume is 1.18kg/m 2(moisture glaze slip weight), then pass through side washing, stamp or stamp not, enter 180 meters long roller kiln glaze firing, 1115~1130 ℃ of maximum sintering temperatures, 45~60 minutes time, through edging, baking operation, finally make glaze color national flag red glaze face brick product, and product colour is stable, the consistent no color differnece of color development at each position of kiln.
The present invention is by the preparation method of above-mentioned a kind of national flag red glaze face brick, if the red glaze face brick glaze preparing is bright-colored brilliant, beautiful as pure as strong in national flag color, moist light, bright Chaoyang, decorative effect and aesthetic in mirror, color.Product indices is as following table 6 after testing.
Table 6, product quality inspection result
In sum, be only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction; All those skilled in the art are not departing within the scope of technical solution of the present invention, utilize disclosed above technology contents and a little change of making, modify and the equivalent variations developing, and are all considered as equivalent embodiment of the present invention; Meanwhile, the change of any equivalent variations that all foundations essence technology of the present invention is done above embodiment, modification and differentiation, within all still belonging to the protection domain of technical scheme of the present invention.

Claims (2)

1. a national flag red glaze face brick, is characterized in that:
Biscuit body: prepare by following weight percent component:
SiO 268~73%, Al 2o 314~17%, CaO+MgO6~11%, K 2o+Na 2o1~3%, Fe 2o 3+ TiO 21~2%, all the other auxiliary materials 1~2.5%, all the other described auxiliary materials comprise water glass, metasilicate pentahydrate sodium;
Ground-coat enamel: prepare by following parts by weight of component:
Frit b28~32 part, 3~6 parts of silica powders, 4~7 parts of zirconium silicates, 4~7 parts of Feldspar Powders, 4~7 parts of aluminum oxide powders, burn 26~30 parts, talcum, 6~9 parts of calcined kaolins, 8~11 parts of kaolin, 0.05~0.1 part of additional Xylo-Mucine, 0.4~0.6 part of tripoly phosphate sodium STPP, 37~40 parts, water;
Cover-coat enamel: prepare by following parts by weight of component:
Frit a80~90 part, frit b10~20 part, 2~4 parts of additional kaolin, 3~5 parts of cadmium-selenium red occlusion pigments, 0.03~0.05 part of Xylo-Mucine, 0.2~0.4 part of tripoly phosphate sodium STPP, 37~40 parts, water;
Wherein frit a prepares by following weight percent component:
SiO 265~67%,Al 2O 36~8%,CaO9~11%,MgO0.1~0.3%,K 2O3~5%,Na 2O0.5~1%,ZnO3~5%,SrO0.5~1.5%,PbO0.5~2%,B 2O 31~3%;
Wherein frit b prepares by following weight percent component:
SiO 259~61%,Al 2O 34~6%,CaO7~9%,MgO1~3%,K 2O2~4%,Na 2O0.5~1%,ZnO5~7%,Li 2O0.1~0.5%,TiO 20.5~2%,SrO0.5~1.5%,ZrO 25~7%,B 2O 34~6%,P 2O 50.1~0.5%。
2. a preparation method for national flag red glaze face brick, is characterized in that:
It comprises the following steps:
The preparation of A, biscuit body:
The weight percent of the component of biscuit body is:
SiO 268~73%, Al 2o 314~17%, CaO+MgO6~11%, K 2o+Na 2o1~3%, Fe 2o 3+ TiO 21~2%, all the other auxiliary materials 1~2.5%, all the other described auxiliary materials comprise water glass, metasilicate pentahydrate sodium;
By the clay that contains said components, potassium felspar sand and albite and quartzy mixed sand, wollastonite raw material, Wingdale raw material, ceramic tile cold-working waste slag and all the other auxiliary materials, adding appropriate water is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits again, tail over is 2%~4%, slurry containing 34~36% moisture, through deironing, sieving to spray is dried the powder of making containing 6.5~7.5% moisture, in 300~400 kilograms per centimeter 2pressure under use automatic hydraulic press moulding, dry kiln is dry, roller kiln burn till, maximum sintering temperature is 1080 ℃~1140 ℃, firing period 40~70 minutes burns till rear water-intake rate and is 18.8~19.8% biscuit of ceramics body; Described ceramic tile cold-working waste slag is the sewage-sludge waste residue after various wastewater treatments in ceramic polished waste residue, polished tile and ornamental brick production process;
The preparation of B, ground-coat enamel, by weight preparation:
By frit b28~32 part, 3~6 parts of silica powders, 4~7 parts of zirconium silicates, 4~7 parts of Feldspar Powders, 4~7 parts of aluminum oxide powders, burn 26~30 parts, talcum, 6~9 parts of calcined kaolins, 8~11 parts of kaolin, 0.05~0.1 part of additional Xylo-Mucine, 0.4~0.6 part of tripoly phosphate sodium STPP, it is 325 mesh sieves that fineness is worn in 37~40 parts of mixing of water, tailing over is 0.2%~0.3% glaze slip, and the deironing of sieving stores and obtain ground-coat enamel;
The preparation of C, cover-coat enamel, by weight preparation:
By frit a80~90 part, frit b10~20 part, 2~4 parts of additional kaolin, 0.03~0.05 part of Xylo-Mucine, 0.2~0.4 part of tripoly phosphate sodium STPP, it is 325 sieves that fineness is worn in 37~40 parts of mixing of water, tailing over is 0.35%~0.45% glaze slip, the cadmium-selenium red occlusion pigment that adds again 3~5 parts, mix grinding 5~8 minutes, blowing stores and obtains cover-coat enamel through screening out iron;
Wherein:
The preparation of frit a:
The weight percentages of components of frit a is: SiO 265~67%, Al 2o 36~8%, CaO9~11%, MgO0.1~0.3%, K 2o3~5%, Na 2o0.5~1%, ZnO3~5%, SrO0.5~1.5%, PbO0.5~2%, B 2o 31~3%;
By containing above-mentioned these components, granularity is less than 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, red lead pellet, boric acid raw material, according to said components scope, prepare burden, mixing machine mixes, frit tank furnace is founded, 1520 ℃~1540 ℃ of the temperature ranges of founding, then shrend becomes frit particle, dries and obtain frit a;
The preparation of frit b:
The weight percentages of components of frit b is: SiO 259~61%, Al 2o 34~6%, CaO7~9%, MgO1~3%, K 2o2~4%, Na 2o0.5~1%, ZnO5~7%, Li 2o0.1~0.5%, TiO 20.5~2%, SrO0.5~1.5%, ZrO 25~7%, B 2o 34~6%, P 2o 50.1~0.5%;
By containing above-mentioned these components, granularity is less than 150 object quartz, potassium albite, talcum, soda ash, zinc oxide, calcium carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, titanium dioxide raw material, according to said components scope, prepare burden, mixing machine mixes, frit tank furnace is founded, 1520 ℃~1540 ℃ of the temperature ranges of founding, then shrend becomes frit particle, dries and obtain frit b;
The preparation of D, product and burning till:
The biscuit body that steps A is obtained, first executes the ground-coat enamel that step B obtains, and glaze volume is 0.7kg/m 2, described glaze volume is moisture glaze slip weight, when ground-coat enamel is just dry, executes the cover-coat enamel that step C obtains again, glaze volume is 1.18kg/m 2, described glaze volume is moisture glaze slip weight, and has drenched after cover-coat enamel, glaze should parch in 30 seconds, then pass through side washing, stamp or stamp not, enter roller kiln glaze firing, in the temperature of 1115 ℃~1130 ℃, fire, 45~65 minutes time, through edging, baking operation, make finished product.
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