CN102826872A - 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 PDFInfo
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- CN102826872A CN102826872A CN2012103496921A CN201210349692A CN102826872A CN 102826872 A CN102826872 A CN 102826872A CN 2012103496921 A CN2012103496921 A CN 2012103496921A CN 201210349692 A CN201210349692 A CN 201210349692A CN 102826872 A CN102826872 A CN 102826872A
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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
Technical field
The present invention relates to prescription of a kind of national flag large red ornamental brick and preparation method thereof.
Background technology
Especially like the bright red color glaze of national flag color, it is beautiful like mirror, bright as if Chaoyang, scarlet, the moist light of colour generation, is one of glaze kind the famousst and precious in the ceramic color glaze for bright red color glaze; It is lucky, rich and honour that this large red is represented, and signifies celebrating, is the color all liked of people always; But this large red glaze ceramic product like the national flag color; Difficulty is fired, and its colour generation in high temperature is extremely unstable, and the atmosphere to the firing chamber in firing is very responsive again; There is variation just can not get a desired effect slightly, so it is very difficult to obtain the purer large red glaze ceramic like the national flag color.How many ceramic technology personnel of successive dynasties pay a large amount of painstaking effort in order to fire this famous and precious glaze kind in enormous quantities, just constantly can burn one or two product once in a while in the heuristic process, often can not be successful but produce in enormous quantities.But in low temperature, (be lower than 1000 ℃), this big red color is more stable, easy to control, but the ceramic product of easy fired is plumbous, quantity of cadmium release does not reach requirement again, in use can damage the healthy of people.Therefore if can in the production of high melting glaze face brick, develop the large red ornamental brick product of this as national flag color and make it industrialization, will enrich the unique decorative effect and the raising Enterprises'Competitiveness of ornamental brick.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming; Prescription of a kind of national flag large red ornamental brick and preparation method thereof is provided; The production technique of existing ornamental brick is not being made on the basis of great change; Emphasis is adjusted prescription compositions of the preferred and proportioning of different performance frit in the composition of the composition of blank, the end, cover-coat enamel frit, the end, the cover-coat enamel, cover-coat enamel complete processing, ground-coat enamel, biscuit water-intake rate, firing temperature etc. and is optimized, thus make bright-colored brilliant, the beautiful as mirror of the national flag large red ornamental brick glaze of firing, color is pure as the national flag color, moisten bright, bright strong as if Chaoyang, decorative effect and aesthetic; This technology possesses stronger universality simultaneously, is easy in industry promote.
For addressing the above problem, the present invention realizes through following technical scheme:
The prescription of a kind of national flag large red ornamental 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 in talcum, 6～9 parts of calcined kaolins, 8～11 parts of kaolin; Add 0.05～0.1 part of Xylo-Mucine, 0.4～0.6 part of tripoly phosphate sodium STPP, 37～40 parts in water;
Cover-coat enamel: prepare by following parts by weight of component:
80～90 parts of frit a, 10～20 parts of frit b add 2～4 parts of 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 in 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 invention still further relates to a kind of preparation method of national flag large red ornamental brick, it may further comprise the 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%;
Clay, potassium felspar sand and albite and quartzy mixed sand, wollastonite raw material, Wingdale raw material, ceramic tile cold-working waste slag and the auxiliary material that will contain said components; Adding an amount of water again is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits; Tail over is 2%～4%; The slurry that contains 34～36% moisture is processed the powder that contains 6.5～7.5% moisture through the deironing spraying drying of sieving, 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 ℃, firing period 40～70 minutes, water-intake rate is 18.8～19.8% biscuit of ceramics body after burning till;
The preparation of B, ground-coat enamel (weight part):
With 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 in talcum, 6～9 parts of calcined kaolins; 8～11 parts of kaolin add 0.05～0.1 part of 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, and tailing over is 0.2%～0.3% glaze slip, and the deironing of sieving stores and promptly gets ground-coat enamel;
The preparation of C, cover-coat enamel (weight part):
With 80～90 parts of frit a, 10～20 parts of frit b add 2～4 parts of 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 3～5 parts again, mix grinding 5～8 minutes, blowing promptly gets cover-coat enamel through screening out the iron storage;
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%;
To contain above-mentioned these components, granularity, boric acid raw material red less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, red lead; Prepare burden according to the said components scope; Mixing machine mixes, and the frit tank furnace is founded, 1520 ℃～1540 ℃ of the TRs of founding; Shrend becomes the frit particle then, and oven dry promptly gets 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%;
To contain above-mentioned these components, granularity is less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, white titanium pigment raw material; Prepare burden according to the said components scope; Mixing machine mixes, and the frit tank furnace is founded, 1520 ℃～1540 ℃ of the TRs of founding; Shrend becomes the frit particle then, and oven dry promptly gets frit b;
The preparation of D, product and burning till:
With the biscuit body that steps A obtains, execute the ground-coat enamel that step B obtains earlier, glaze volume is about 0.7kg/m
2(moisture glaze slip is heavy) treats to execute the cover-coat enamel that step C obtains again when ground-coat enamel has just been done, and glaze volume is about 1.18kg/m
2(moisture glaze slip is heavy), and after having drenched cover-coat enamel, glaze should parch in 30 seconds; Pass through side washing, stamp or stamp not then, get into roller kiln glaze firing, in 115 ℃～1130 ℃ temperature, fire; 45～65 minutes time,, promptly can be made into finished product through edging, baking operation.
Wherein:
Described ceramic tile cold-working waste slag is the sewage mud waste residue after the various wastewater treatments in ceramic polished waste residue, polished tile and the 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).
Described all the other auxiliary materials comprise water glass, metasilicate pentahydrate sodium.
Described clay comprises black mud, white clay, plaster.
Prescription of a kind of national flag large red ornamental brick of the present invention and preparation method thereof is through optimizing the composition of blank, the composition of the end, cover-coat enamel frit; Preferred and the proportioning of different performance frit in the end, the cover-coat enamel, the cover-coat enamel complete processing, the prescription of ground-coat enamel is formed; The biscuit water-intake rate, firing temperatures etc. adopt and have optimized blank composition and base substrate firing temperature; Especially in body recipe, added a certain amount of ceramic cold-working waste slag, these waste residues mainly are ceramic polished waste residues, the sewage mud waste residue in polished tile and the ornamental brick production process after the various wastewater treatments; These waste residues have not only reduced production cost, have reached the purpose of energy-saving and emission-reduction, simultaneously polishing slag; Sewage mud waste residue in polished tile and the ornamental brick production process after the various wastewater treatments is again a biscuit body water-intake rate, the evenly good assurance of surperficial ventilation property and hydrophobicity.Adopt bell jar to carry out glazing because in the ornamental brick production all be; According to the infinitesimal analysis principle; Bell jar glazing meeting causes the glaze on both sides can slightly thickly cross the intermediary glaze; Usually the biscuit body that does not add ceramic cold-working waste slag can cause the density on biscuit body four limits and intermediary density to differ bigger because of the lead angle effect at edge; Therefore thereby make the water-intake rate on biscuit body four limits, surperficial ventilation property and hydrophobic difference are bigger, adopt product that bell jar executed glaze to parch the big frame that forms of time difference because of four limits and intermediary.When executing the bright red color glaze of these national flags; Can cause color distortion because of these frames, to parch the time long because of the glaze at edge simultaneously, and the colorant in the glaze can separate with basic glaze because of stop for a long time; Cause the edge whiting to occur, thereby influence the color development effect of whole prod red glaze.And ceramic polished waste residue contains the bistrique bits that a large amount of polished tile and ornamental brick consume in edging and polishing process in the sewage mud waste residue in polished tile and the ornamental brick production process after the various wastewater treatments, contains a large amount of silit and resin in the composition of these bistrique bits; These silit and resin can produce a large amount of gas in high temperature; These gases can form various spileholes in billet surface when discharging, these spileholes can be stayed the surface of biscuit body along with the continuous discharging of gas; Form the spilehole of opening; Thereby water-intake rate, ventilation property, hydrophobicity and the middle uniformity on biscuit body four limits have been guaranteed.Therefore when having added biscuit body behind the ceramic cold-working waste slag and executed the bright red color glaze of this national flag with these; The time that parches on its four limit and middle basically identical; Can not form frame; Simultaneously the opening spilehole of these biscuit surfaces is again the better channels that moisture content flows to the base substrate middle part in the glaze slip, and guarantees that work in-process glaze within 30 seconds of executing cover-coat enamel parches fully, and can not cause colorant in the glaze to separate with basic glaze to form the fubai phenomenon because of parching overlong time.But the firing temperature of biscuit body is fit to again, crosses low can not exclusively remaining in the biscuit body because of gaseous emission, occurs pin hole when causing glazing; Even when glost kiln; The a large amount of gaseous emissions of secondary are prone to make glaze to produce defectives such as pin hole, glaze bubble, solution cavity, and are too high like temperature, can make the biscuit body occur foaming and causing the glass base; Because through analyzing, chemically examining; These waste residues can cause base substrate foaming distortion because of silit gas vigorous reaction through more than 1140 ℃ during high temperature, and the base substrate optimum burning temperature-forming that therefore adds ceramic cold-working waste slag is 1080 ℃～1140 ℃.
The optimization that cover-coat enamel is formed is the key that national flag large red ornamental brick is fired, and is well-known, obtains in the toner of large red decorative effect at numerous ceramics that can make; It is the most bright-coloured with the cadmium sulfoselenide to be that the colorant of chromogenic reagent can produce color and luster only; The decorative effect that color development is the purest, but because the cadmium sulfoselenide poor heat stability, when in air, heating; Surpassing 500 ℃ promptly begins to decompose; Can decompose and blackening fully when being higher than 800 ℃, even lose red color fully, the cadmium-selenium red colorant on the therefore present market all is 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, and the atmosphere to the firing chamber in firing is very responsive, has variation just can not get a desired effect slightly.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 in high temperature, will to obtain purer red glaze ceramic ware, even have one or two once in a while just in temperature, the suitable place of atmosphere kiln potential energy makes; But often failure again of same area for the second time; Saying nothing of and resemble ornamental brick and be higher than 1110 ℃ like this and burn till, is again large-scale production, and it is extremely difficult especially therefore will to seek out ideal large red ornamental brick.The applicant finds through hundreds of tests, and packed cadmium selenium red colorant is sent under 1115 ℃～1130 ℃ temperature like the scarlet pure large red of national flag, the prescription of parent glaze is formed particularly crucial; In the present invention, added an amount of zircon sand among the cover-coat enamel frit b, because the adding of zircon sand; The zircon crystal that can stablize in the 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 the cadmium sulfoselenide color development pure.In cover-coat enamel frit a of the present invention, frit b, all add an amount of Strontium carbonate powder,, in high temperature, can also eliminate simultaneously the oxidated and twilight state that causes in cadmium selenium colorant surface, thereby make bright-colored because SrO can make Si/Al than range widens.In cover-coat enamel frit b of the present invention forms, also added an amount of titanium oxide, because TiO
2Molecule can form a kind of titaniferous vaporization membrane in high temperature; These vaporization membranes are wrapped in the cadmium-selenium red colorant and form a kind of effective protective membrane on every side; Thereby prevent that the cadmium-selenium red colorant is oxidized, thereby reduced the susceptibility of cadmium-selenium red colorant, make color development pure furnace atmosphere.Well-known a spot of Li
2O, PbO, P
2O
5All the color development to redness has promoter action, makes more gorgeous, the more tender profit of color, therefore in cover-coat enamel frit of the present invention, has added an amount of lithium porcelain stone, red, the phosphatic rock of red lead, more stable, gorgeous with the large red color development that guarantees product, tender profit.Because like the large red glaze ceramic glaze of national flag color, in order to make stable, bright-coloured, the tender profit of color development, beautiful in the high temperature.Composition requirement to cover-coat enamel is strict; And single frit inaccessible effect in composition is discovered through always countless ceramic technology researchists, 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 prescription; Because the error in batching and batch mixing process is all more than 0.01%, moreover Chemical Composition is many more in the single glaze, glaze is more complicated; Produce more difficult control; Therefore if the present invention adopts the frit of two kinds of complete different performances in the cover-coat enamel prescription is formed, and optimizes the proportioning of two kinds of frits, in high temperature, makes stable, pure, bright-coloured, the tender profit of cadmium-selenium red colorant color development, beautiful, bright the large red ornamental brick product like the national flag color of Chaoyang, the rich and honour luckiness of symbol thereby manufacture experimently out.Because packed cadmium selenium red colorant is with ZrSiO
4Fine crystals parcel cadmium sulfoselenide crystal chromophoric group structure is formed; In the course of processing; The high alumina ballstone grinds for a long time and can destroy this coated structure in the ball mill; Therefore the present invention is earlier good with the parent glaze ball in the cover-coat enamel course of processing, add again colorant at short notice bastard evenly get final product, thereby can the structure of colorant not damaged.Because packed cadmium selenium red colorant atmosphere to the firing chamber in high temperature requires tighter; Therefore the ratio that burnt talcum, kaolin accounted for during the ground-coat enamel prescription was formed among the present invention is more; Can significantly reduce the gas emissions in the glaze composition in high temperature like this; Make furnace atmosphere stable, the color development of cadmium-selenium red colorant is played advantageous effect.
Prescription of a kind of national flag large red ornamental brick provided by the invention and preparation method thereof has following advantage:
(1) owing to optimized that the prescription of preferred and proportioning, cover-coat enamel complete processing, the ground-coat enamel of different performance frit in the chemical constitution, cover-coat enamel of composition, the cover-coat enamel frit of blank is formed, the water-intake rate and the firing temperature of biscuit; Thereby make packed cadmium selenium red colorant (1115 ℃～1130 ℃) color development in high temperature pure, dazzlingly beautiful, beautiful like mirror, bright if Chaoyang, moist bright like the big red color of national flag is greatly improved the decorative effect of product and aesthetics level.
(2) this product surface planeness, the modulus of rupture, water-intake rate, frictional coefficient, resistance to acids and bases, heat-shock resistance, plumbous quantity of cadmium release all reach GB/T4100-2006, GB6566-2011 and HJ/T297-2006 standard-required.
(3) use a large amount of ceramic cold-working waste slags in the body recipe, made production cost low, reached the purpose of energy-saving and emission-reduction again.
(4) adopt existing ornamental brick production technique, the large red color development is reduced the susceptibility of kiln firing atmosphere greatly, be easy to realize industrialized scale.
Description of drawings
Fig. 1 is the technological process of production figure of preparation national flag large red ornamental brick of the present invention.
Embodiment
Below in conjunction with embodiment the present invention is done further explain.
Embodiment 1
Prescription of a kind of national flag large red ornamental brick of the present invention and preparation method thereof; At first prepare the biscuit body; In the body recipe chemical composition of table 1 choose corresponding proportion, granularity is less than 3 millimeters black mud, white clay, plaster, high temperature sand (containing more quartz, potassium felspar sand), middle temperature sand, hypothermia grait (containing more albite), polishing slag, sewage mud waste residue, wollastonite, Wingdale and water glass, the metasilicate pentahydrate sodium that adds an amount of ratio, prepare burden; Adding an amount of water again is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits, and tailing over is 2%～4%, contains the slurry of 34～36% moisture, processes the powder that contains 6.5～7.5% moisture content through the deironing spraying drying of sieving, in 300～400 kilograms per centimeter
2Automatic hydraulic press compression moulding under this pressure is gone into 160 meters long roller kiln through drying and is burnt till, 1080 ℃～1140 ℃ of maximum sintering temperatures.Firing period is 40～70 minutes, at last water-intake rate is that 18.8～19.8% biscuit of ceramics body is subsequent use;
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 |
Preparation frit a: by the chemical composition of table 2 choose corresponding proportion, granularity is less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, red lead pellet, boric acid raw material; Prepare burden; In mixer, mixed 30 minutes; In Cinker clew furnace, found, 1520 ℃～1540 ℃ of glass melting temperatures, shrend becomes the oven dry of frit particle promptly to get 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 |
Preparation frit b: choose corresponding proportion by the chemical composition of table 3; Granularity is less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, white titanium pigment raw material; Prepare burden; In mixer, mixed 30 minutes, and in Cinker clew furnace, founded, 1520 ℃～1540 ℃ of glass melting temperatures, shrend becomes the oven dry of frit particle promptly to get 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 |
Preparation cover-coat enamel: take by weighing frit a, frit b, kaolin, add 0.03～0.05 part Xylo-Mucine, 0.2～0.4 part tripoly phosphate sodium STPP, 37～40 parts water by table 4 cover-coat enamel prescription composition; Going in small, broken bits the tailing over to 325 mesh sieves of ball mill is 0.35%～0.45% glaze slip; The cadmium-selenium red occlusion pigment that adds 3～5 parts is again gone in the good glaze slip of above-mentioned ball; Mix grinding is 5～8 minutes again, and blowing stores through screening out iron that promptly to get cover-coat enamel subsequent use.
Table 4, cover-coat enamel prescription are formed table (weight part):
| Frit a | Frit b | Kaolin | The cadmium-selenium red occlusion pigment |
| 80 | 20 | 2 | 3 |
| 85 | 15 | 3 | 4 |
| 90 | 10 | 4 | 5 |
Preparation ground-coat enamel: take by weighing frit b, silica powder, zirconium silicate, Feldspar Powder, aluminum oxide powder, burning talcum, calcined kaolin, kaolin by table 5 ground-coat enamel prescription composition; Add 0.05～0.1 part Xylo-Mucine, 0.4～0.6 part tripoly phosphate sodium STPP, 37～40 parts water, go into that ball mill is in small, broken bits to tail over to 325 mesh sieves that to be 0.2%～0.3% glaze slip store through screening out iron that promptly to get ground-coat enamel subsequent use.
Table 5, ground-coat enamel prescription are formed 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 |
Drench glaze with bell jar at last and execute ground-coat enamel in above-mentioned biscuit surface, glaze volume is 0.7kg/m
2(moisture glaze slip is heavy) treats to execute cover-coat enamel again when ground-coat enamel has just been done, and glaze volume is 1.18kg/m
2(moisture glaze slip heavy) passes through side washing, stamp or stamp not then, gets into 180 meters long roller kiln glaze firing; 1115～1130 ℃ of maximum sintering temperatures; 45～60 minutes time,, make glaze color national flag large red ornamental brick product at last through edging, baking operation; And product colour is stable, the consistent no color differnece of the color development at each position of kiln.
The present invention is through the preparation method of above-mentioned a kind of national flag large red ornamental brick, and the large red ornamental brick glaze for preparing is bright-colored brilliant, beautiful pure in national flag color, moist light, bright if Chaoyang, decorative effect and aesthetic are strong like mirror, color.Through testing product each item index such as following table 6.
Table 6, product quality inspection result
In sum, being merely preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction; All professional and technical personnel of being familiar with utilize the above technology contents that is disclosed and a little change of making in not breaking away from technical scheme scope of the present invention, modify the equivalent variations with differentiation, all are regarded as equivalent embodiment of the present invention; Simultaneously, all foundations essence technology of the present invention all still belongs within the protection domain of technical scheme of the present invention change, modification and the differentiation of any equivalent variations that above embodiment did.
Claims (7)
1. the prescription of a national flag large red ornamental brick is characterized in that:
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 in talcum, 6～9 parts of calcined kaolins, 8～11 parts of kaolin; Add 0.05～0.1 part of Xylo-Mucine, 0.4～0.6 part of tripoly phosphate sodium STPP, 37～40 parts in water;
Cover-coat enamel: prepare by following parts by weight of component:
80～90 parts of frit a, 10～20 parts of frit b add 2～4 parts of 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 in 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％。
2. the prescription of national flag large red ornamental brick according to claim 1 is characterized in that:
Described all the other auxiliary materials comprise water glass, metasilicate pentahydrate sodium.
3. the preparation method of a national flag large red ornamental brick is characterized in that:
It may further comprise the 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%;
Clay, potassium felspar sand and albite and quartzy mixed sand, wollastonite raw material, Wingdale raw material, ceramic tile cold-working waste slag and the auxiliary material that will contain said components; Adding an amount of water again is 250 mesh sieves through ball milling one-tenth fineness in small, broken bits; Tail over is 2%～4%; The slurry that contains 34～36% moisture is processed the powder that contains 6.5～7.5% moisture through the deironing spraying drying of sieving, 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 ℃, firing period 40～70 minutes, water-intake rate is 18.8～19.8% biscuit of ceramics body after burning till;
The preparation of B, ground-coat enamel (weight part):
With 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 in talcum, 6～9 parts of calcined kaolins; 8～11 parts of kaolin add 0.05～0.1 part of 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, and tailing over is 0.2%～0.3% glaze slip, and the deironing of sieving stores and promptly gets ground-coat enamel;
The preparation of C, cover-coat enamel (weight part):
With 80～90 parts of frit a, 10～20 parts of frit b add 2～4 parts of 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 3～5 parts again, mix grinding 5～8 minutes, blowing promptly gets cover-coat enamel through screening out the iron storage;
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%, PbO0.5～2%, B
2O
31～3%;
To contain above-mentioned these components, granularity, boric acid raw material red less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, red lead; Prepare burden according to the said components scope; Mixing machine mixes, and the frit tank furnace is founded, 1520 ℃～1540 ℃ of the TRs of founding; Shrend becomes the frit particle then, and oven dry promptly gets 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%;
To contain above-mentioned these components, granularity is less than 150 purposes quartz, potassium albite, talcum, soda ash, zinc oxide, lime carbonate, Strontium carbonate powder, zircon sand, phosphatic rock, boric acid, lithium porcelain stone, white titanium pigment raw material; Prepare burden according to the said components scope; Mixing machine mixes, and the frit tank furnace is founded, 1520 ℃～1540 ℃ of the TRs of founding; Shrend becomes the frit particle then, and oven dry promptly gets frit b;
The preparation of D, product and burning till:
With the biscuit body that steps A obtains, execute the ground-coat enamel that step B obtains earlier, glaze volume is about 0.7kg/m
2(moisture glaze slip is heavy) treats to execute the cover-coat enamel that step C obtains again when ground-coat enamel has just been done, and glaze volume is about 1.18kg/m
2(moisture glaze slip is heavy), and after having drenched cover-coat enamel, glaze should parch in 30 seconds; Pass through side washing, stamp or stamp not then, get into roller kiln glaze firing, in 1115 ℃～1130 ℃ temperature, fire; 45～65 minutes time,, promptly can be made into finished product through edging, baking operation.
4. the preparation method of national flag large red ornamental brick according to claim 3 is characterized in that:
Described ceramic tile cold-working waste slag is the sewage mud waste residue after the various wastewater treatments in ceramic polished waste residue, polished tile and the ornamental brick production process.
5. the preparation method of national flag large red ornamental brick according to claim 3 is characterized in that:
Described potassium felspar sand and albite and quartzy mixed sand comprise high temperature sand, middle temperature sand, hypothermia grait.
6. the preparation method of national flag large red ornamental brick according to claim 3 is characterized in that:
Described all the other auxiliary materials comprise water glass, metasilicate pentahydrate sodium.
7. the preparation method of national flag large red ornamental brick according to claim 3 is characterized in that:
Described clay comprises black mud, white clay, plaster.
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