CN104311157A - Glazed brick production method - Google Patents
Glazed brick production method Download PDFInfo
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- CN104311157A CN104311157A CN201410490646.2A CN201410490646A CN104311157A CN 104311157 A CN104311157 A CN 104311157A CN 201410490646 A CN201410490646 A CN 201410490646A CN 104311157 A CN104311157 A CN 104311157A
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Abstract
The invention relates to a glazed brick production method, which comprises: (1) preparing a ceramic brick billet, (2) spraying a hydrophobic agent, spreading frit particles, spraying a curing agent, and firing to form a frit layer, (3) covering a glaze layer adopting an oxide as a color former on the fired frit layer, and firing, and (4) finally carrying out drying, firing and polishing processing to obtain the finished product, wherein the curing agent contains, by mass, 5.0-6.0% of a cellulose thickener, 2.0-2.8% of attapulgite, 1.1-1.4% of a defoamer, 1.2-1.8% of a dispersing agent, and the balance of a solvent. According to the present invention, the frit particle binder of the present invention is suitable for the frit particles with the smaller particle (100-200 mesh), such that the frit particle is prevented from being sucked by the low negative pressure of the kiln preheating zone due to the small size during the glazed brick preparation process so as to avoid a large number of pin holes, bubbles and other defects on the ceramic brick surface, such that the glazed brick having the better decoration effect is obtained.
Description
Technical field
The present invention relates to a kind of building material technical field, particularly relate to a kind of production method of throwing glazed brick.
Background technology
Throwing glazed brick is a kind of architectural pottery product emerging in recent years, it is stamp in biscuit adobe, then transparent is imposed, enter klining and become rear polishing, therefore gathered the advantage of polished tile, Antique Imitation Tiles, ceramics three kinds of products, product releases the implicit property of ornamental brick cloudy colour half-light completely, solve half throwing brick and easily hide dirty defect, possessed the glossiness of polished tile, porcelain hardness, the glaze paint height simultaneously also having Antique Imitation Tiles imitates fruit, and the printing effect that ceramics glaze paint is abundant.Because the glazed layer throwing glazed brick is thinner, usually only has 0.5 ~ 1.5mm, but also need rubbing down processing treatment, be therefore very easy to show-through, damage decalcomania layer causes defect, and the decalcomania layer decorative effect of goods is not good, match volume is poor.
Therefore in order to strengthen the decorative effect and match volume of throwing glazed brick, certain thickness frit particle (granular size is at 15-150 order) is covered in billet surface or glaze paint upper berth by distributing mode, and spray one deck fixing agent particle is fixed on billet surface, burn till and reprocessing is carried out to glaze paint can obtain the throwing glazed brick that decorative effect is better, match volume is good afterwards.But the quality of frit particle directly determines the quality of adobe decorative effect, in production, too little particle easily introduces pin hole or bubble when burning till, what is more important fine particle (being especially less than 100 orders) is easily sucked away due to lower negative pressure in the preheating zone of kiln due to lighter weight, thus has a certain impact to decorative effect or tool.
Summary of the invention
The object of the invention is to solve throwing glazed brick decorative effect problem that is not good and match volume difference and propose a kind of production method of throwing glazed brick.
For reaching this object, the present invention by the following technical solutions:
Throw a production method for glazed brick, its production method comprises the steps:
(1), ceramic adobe is prepared;
(2), at adobe last layer hydrophober, repave long-pending one deck frit particle, finally spray one deck frit granule agglomerant, fire formation frit layer;
(3), the described frit layer burnt till covers the glaze layer using oxide compound as chromogenic reagent and fires, when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern;
(4), by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, can finished product be obtained;
Described frit granule agglomerant its by mass percentage, containing, for example lower component: cellulose thickener 5.0-6.0%, attapulgite 2.0-2.8%, defoamer is 1.1-1.4%, and dispersion agent is 1.2-1.8%, and surplus is solvent.
Preferably, described cellulose thickener is at least one in Natvosol, hydroxyethylmethyl-cellulose and Vltra tears.
Preferably, described dispersion agent is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and Sodium hexametaphosphate 99.
Preferably, described defoamer is polymethyl siloxane.
Preferably, described solvent is at least one in water, ethylene glycol and ethanol.
Preferably, described in step (2), the firing temperature of frit layer is 980-1050 DEG C, and the time is 1.2-1.8 hour.
Preferably, the thickness amassing frit particle on adobe upper berth is 1-3mm.
Preferably, the firing temperature in step (4) is 1100-1200 degree, firing time 1.5-3 hour.
Preferably, described in above-mentioned steps (3), oxide compound is one or more combinations in ferric oxide, manganese oxide, cupric oxide, cobalt oxide.Containing above-mentioned oxide compound in glaze, and using above-mentioned oxide compound as chromogenic reagent, in melting process, it can spread (frit layer is melting also) in frit layer, and because frit layer is second melting, does not have the intergranular gap of frit, and bubble is also less in melting process, therefore the oxide compound in glaze can spread on the top layer of frit layer, enters middle part at the most, can form abundant glaze like this and become effect.Further preferably, be adopt Multimetal oxide combination, because different oxide compounds is different to the rate of diffusion of frit layer in melting process, and the metal content of different concns, can cause direct impact to colour generation, and then allow glaze become effect more horn of plenty.
Frit granule agglomerant of the present invention is applicable to the less frit particle of particle (100-200 order), throws in the process of glazed brick, avoid frit particle and be sucked away by the lower negative pressure of kiln preheating zone because particle is too little in preparation; If frit particle is sucked away, can allow the frit layer unfairness of firing formation in step (2), and have a lot of glaze hole, these unfairnesses and needle pore defect can allow the oxide compound in glaze permeate downwards, and then are difficult to obtain the glaze wanted and become effect.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.
The thickening mechanism of cellulose thickener be hydrophobic main chain and surrounding water molecules by hydrogen bond association, improve the fluid volume of polymkeric substance itself, decrease the space of Particle free activity, thus improve system viscosity.Also can be realized the raising of viscosity by the winding of molecular chain, showing as and have high viscosity at static and low sheraing, is low-viscosity under high shear.This is because when static state or low shearing speed, cellulose molecular chain is in state of disarray and makes system present high viscosity; And when high shear rates, molecule is parallel to flow direction and makes ordered arrangement, be easy to mutual slip, so system viscosity degradation.Cellulose thickener, attapulgite and auxiliary agent are mixed by a certain percentage, can obtain use under neutral environment, have good thickening adhesive effect, the binding agent of not metal ion, be applicable in Building Ceramics Industry and need to be fixed with in bonding operation frit particle.
Preparation-the embodiment 1 of frit granule agglomerant
The preparation of frit granule agglomerant: the component of every 100kg frit granule agglomerant: Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 5.0kg, attapulgite 2.5kg, polymethyl siloxane 1.1kg, organic-silicon-modified sodium phosphate 1.7kg, surplus is water.
The preparation method of above-mentioned frit granule agglomerant, comprises the following steps: a) that Natvosol is soluble in water, stirs; B) add polymethyl siloxane and organic-silicon-modified sodium phosphate, stir; C) add attapulgite and residue water solvent, stir and obtain frit granule agglomerant, surveying its flow velocity is 26.8s (30 DEG C, be coated with-4 glasss).It should be noted that, organic-silicon-modified sodium phosphate can use sodium polyacrylate or Sodium hexametaphosphate 99 to replace as dispersion agent also can realize this programme.
Throw the preparation-embodiment 1-1 of glazed brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 100 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 1 is obtained is sprayed, send in kiln and burn till at 1000 DEG C, fire 1.2 hours, form frit layer; Spray hydrophober, the color glaze slip that frit particle sprays can be stoped to infiltrate through in base substrate, avoid impacting blank strength and decorative effect, in addition, the frit particles stick agent sprayed in step below, also solvent penetration wherein to be avoided to enter in base substrate, blank strength is impacted, therefore need spraying one deck organosilicon moisture repellent.
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be 2% manganese oxide (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect, and in the middle part of glass coating, have the decorative pattern of transmutation; In this step, firing temperature is 1100 DEG C, and the time is 2 hours.
Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 1-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.
Comparative example 1-2
Throw the preparation of glazed brick, step is as follows:
(1), ceramic adobe is prepared; (identical with embodiment 1-1)
(2), by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 100 order) cloth in adobe on the surface, then spray one deck methylcellulose gum aqueous slurry, send in kiln and burn till at 1000 DEG C, fire 1.2 hours, form frit layer; But there is the visible pin hole of a small amount of naked eyes in texture, the continuity of ice crystal texture is not strong;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be 2% manganese oxide (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the ornamental brick finished product with ice crystal texture; But there is the visible pin hole of a small amount of naked eyes in texture, the continuity of ice crystal texture is not strong; And transmutation decorative pattern in the middle part of glass coating is not obvious.The firing temperature of this step is 1100 DEG C, and the time is 2 hours.
Can be compared by embodiment 1-1 and the ornamental brick final product quality of comparative example 1-2 and draw and on the clear frit granular layer with ice crystal effect, sprayed frit granule agglomerant of the present invention in embodiment 1-1, make pebble frit particles stick on brick surface, and do not affect by lower negative pressure in the preheating zone through kiln, glaze paint retains preferably and is not absorbed.In order to illustrate further, the throwing glazed brick that the frit granule agglomerant providing embodiment 1-1 to use below obtains compares with the kinematic viscosity value μ of the obtained throwing glazed brick using methylcellulose gum aqueous slurry in comparative example 1-2, and experimental data is in table 1.
Kinematic viscosity value μ: be coated with-4 glasss measure at 30 DEG C liquid to flow out from the hole of predetermined hole diameter needed for time obtain flow velocity t, and convert by t=0.223 μ+6.0 and draw kinematic viscosity value μ.
Contrast experiment's data of table 1 embodiment 1-1 and comparative example 1-2
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm 2/s) |
| Embodiment 1-1 | 26.8 | 85.19 |
| Comparative example 1-2 | 7.4 | 8.05 |
Can obtain from table 1, its kinematic viscosity value of frit granule agglomerant in embodiment 1-1 uses the kinematic viscosity of the viscosity aqueous slurry be mixed with by methylcellulose gum to be worth 10 times more than in comparative example 1-2, when the lower negative pressure of kiln preheating zone, can better be bonding frit particle, make it remain not to be sucked away, improve integrity and smoothness that the texture of rear surface is burnt till in adobe greatly, the pin hole problems may leaving over generation because frit particle is sucked away disappearance can be avoided.Avoid above pin hole and unfairness problem, just can make the oxide compound in glaze can not along the downward excess diffusion of pin hole, the furnace transmutation decoration decorative pattern formed be also more obvious.
Comparative example 1-3
Throw the preparation of glazed brick, step is as follows:
(1), ceramic adobe is prepared; (identical with embodiment 1-1)
(2), clear frit particle (factory buys from Zibo Boshan gold light colour glaze, fineness 100 order) cloth in adobe on the surface, is then sprayed one deck glue, sends in kiln and burn till at 1000 DEG C, fire 1.2 hours, form frit layer; But there is the visible pin hole of more naked eyes in texture, the continuity of ice crystal texture is not strong;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be 2% manganese oxide (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the ornamental brick finished product with ice crystal texture; But there is the visible pin hole of a small amount of naked eyes in texture, the continuity of ice crystal texture is not strong; And transmutation decorative pattern in the middle part of glass coating is not obvious.The firing temperature of this step is 1100 DEG C, and the time is 2 hours.
Can be compared by embodiment 1-1 and the ornamental brick final product quality of comparative example 1-3 and draw and on the clear frit granular layer with ice crystal effect, sprayed frit granule agglomerant of the present invention in embodiment 1-1, make pebble frit particles stick on brick surface, and do not affect by lower negative pressure in the preheating zone through kiln, glaze paint retains preferably and is not absorbed.In order to illustrate further, the throwing glazed brick that the frit granule agglomerant providing embodiment 1-1 to use below obtains compares with the kinematic viscosity value μ of the throwing glazed brick using glue to obtain in comparative example 1-3, and experimental data is in table 2.
Kinematic viscosity value μ: be coated with-4 glasss measure at 30 DEG C liquid to flow out from the hole of predetermined hole diameter needed for time obtain flow velocity t, and convert by t=0.223 μ+6.0 and draw kinematic viscosity value μ.
Contrast experiment's data of table 2 embodiment 1-1 and comparative example 1-3
| Numbering | Flow velocity/s | Kinematic viscosity value/(mm 2/s) |
| Embodiment 1-1 | 26.8 | 85.19 |
| Comparative example 1-3 | 6.8 | 7.75 |
Can obtain from table 2, its kinematic viscosity value of frit granule agglomerant in embodiment 1-1 uses the kinematic viscosity of glue to be worth 10 times more than in comparative example 1-3, when the lower negative pressure of kiln preheating zone, can better be bonding frit particle, make it remain not to be sucked away, improve integrity and smoothness that the texture of rear surface is burnt till in adobe greatly, the pin hole problems may leaving over generation because frit particle is sucked away disappearance can be avoided.。Avoid above pin hole and unfairness problem, just can make the oxide compound in glaze can not along the downward excess diffusion of pin hole, the furnace transmutation decoration decorative pattern formed be also more obvious.
Preparation-the embodiment 2 of frit granule agglomerant
The preparation method of the present embodiment is basically identical with enforcement 1, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (Dezhou Kang Rong Chemical Co., Ltd.) 5.5kg, attapulgite 3.0kg, polymethyl siloxane 1.4kg, Sodium hexametaphosphate 99 2.1kg, surplus is ethanol.
Preparation-embodiment the 2-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 130 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 2 is obtained is sprayed, send in kiln and burn till at 1020 DEG C, fire 1.4 hours, form frit layer;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be 1% cobalt oxide and 3% ferric oxide (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1130 DEG C, and the time is 2.5 hours.
The flow velocity of the frit particles stick agent that the present embodiment obtains is 25.7s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 84.56mm
2/ s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 2-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment amasss frit particle thickness on adobe upper berth is 1mm.
In addition, because have employed the glaze containing two oxides, in sintering process, in glaze, cobalt oxide and ferric oxide are melting mutually with frit layer intersection, and cobalt oxide and ferric oxide are in frit layer internal divergence process, because rate of diffusion is different, and the oxide compound of different ratios also can present abundant gradual change transmutation decorative pattern in frit layer.In product prepared by this embodiment, the decorative pattern of transmutation is the black-and-blue of gradual change.
Preparation-the embodiment 3 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 6.0kg, attapulgite 2.6kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 1.8kg, surplus is ethylene glycol.
Preparation-embodiment the 3-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 150 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 3 is obtained is sprayed, send in kiln and burn till at 995 DEG C, fire 1.6 hours, form frit layer;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be 2% cupric oxide and 2% manganese oxide (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1200 DEG C, and the time is 1.5 hours.
The flow velocity of the frit caking agent that the present embodiment obtains is 25.2s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 84.98mm2/s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.But also it should be noted that, the clear frit particle that the present embodiment 3-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment amasss frit particle thickness on adobe upper berth is 1.5mm.
Here need to illustrate, in the present embodiment, in the rubbing down course of processing, surperficial glazed layer is almost ground off, can allow transmutation effect is easier to be revealed like this.
Preparation-the embodiment 4 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 3.0kg, Natvosol 2.4kg, attapulgite 2.7kg, polymethyl siloxane 1.3kg, sodium polyacrylate 1.9kg, surplus is water and ethylene glycol.
Preparation-embodiment the 4-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 170 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 4 is obtained is sprayed, send in kiln and burn till at 980 DEG C, fire 1.8 hours, form frit layer; Namely at adobe surface spraying one deck hydrophober, hydrophober can be avoided when spraying frit particle fixing agent, after solvent penetration wherein, can blank strength be destroyed, adobe water ratio be improved, easily cracks, when being transported to kiln, adobe is easily ruptured, and reduces production efficiency;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be the cupric oxide of 1%, the manganese oxide of 2%, and the ferric oxide of 2% (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1180 DEG C, and the time is 1.9 hours.
The flow velocity of the frit particles stick agent that the present embodiment obtains is 26.4s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 86.28mm2/s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 4-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment amasss frit particle thickness on adobe upper berth is 2.5mm.
In addition, the follow-up rubbing down of this scheme adds man-hour, is also fallen by the glaze paint rubbing down on top layer, allows transmutation layer better show.
Preparation-the embodiment 5 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Vltra tears (Dezhou Kang Rong Chemical Co., Ltd.) 2.5kg, hydroxyethylmethyl-cellulose 2.8kg (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), attapulgite 2.9kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 0.8kg, organic-silicon-modified sodium phosphate 1.0kg, surplus is second alcohol and water.
Preparation-embodiment the 5-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 140 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 5 is obtained is sprayed, send in kiln and burn till at 1020 DEG C, fire 1.5 hours, form frit layer;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be the cupric oxide of 0.5%, and the ferric oxide of 4% (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1170 DEG C, and the time is 1.8 hours.
The flow velocity of the frit particles stick agent that the present embodiment obtains is 26.7s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 88.13mm2/s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 5-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment amasss frit particle thickness on adobe upper berth is 3mm.
Preparation-the embodiment 6 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: hydroxyethylmethyl-cellulose (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.) 3.0kg, Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), attapulgite 2.8kg, polymethyl siloxane 1.2kg, Sodium hexametaphosphate 99 1.4kg, sodium polyacrylate 0.6kg, surplus is ethylene glycol and ethanol.
Preparation-embodiment the 6-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 200 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 6 is obtained is sprayed, send in kiln and burn till at 1050 DEG C, fire 1.2 hours, form frit layer;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be the cobalt oxide of 2%, the manganese oxide of 2%, and the ferric oxide of 2% (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1120 DEG C, and the time is 2.7 hours.
The flow velocity of the frit particles stick agent that the present embodiment obtains is 25.8s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 85.45mm2/s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 6-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.Frit particle is amassed in this enforcement thickness on adobe upper berth is 1.5mm.
Preparation-the embodiment 7 of frit granule agglomerant
Preparation method and the embodiment 1 of the present embodiment are basically identical, and difference is, in the present embodiment, component and the ratio of employing are different.The component of every 100kg frit granule agglomerant: Natvosol (purchase of Guangzhou Mo Ke building materials Science and Technology Ltd.), attapulgite 3.0kg, polymethyl siloxane 1.4kg, Sodium hexametaphosphate 99 1.8kg, surplus is ethylene glycol.
Preparation-embodiment the 7-1 of ornamental brick
(1), ceramic adobe is prepared;
(2), at adobe surface spraying one deck organosilicon moisture repellent, then by clear frit particle, (from Zibo Boshan gold light colour glaze, factory buys, fineness 160 order) cloth is in adobe on the surface, then the frit granule agglomerant that one deck embodiment 7 is obtained is sprayed, send in kiln and burn till at 980 DEG C, fire 1.8 hours, form frit layer;
(3), glazing: glazing on the described frit layer burnt till also is fired, and when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern; To drench glaze, glaze spraying, a kind of or at least two kinds array mode of getting rid of in glaze or dry powder cloth glaze carry out glazing; Glaze thickness is about 0.5mm; In glaze containing mass fraction be the cobalt oxide of 0.5%, and the ferric oxide of 3% (in siccative amount for).
(4) by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, glass coating on described ceramic tile top can form the pattern with decorative effect; And in the middle part of glass coating, having the decorative pattern of transmutation, the firing temperature of this step is 1150 DEG C, and the time is 2.5 hours.
The flow velocity of the frit particles stick agent that the present embodiment obtains is 25.6s (30 DEG C, is coated with-4 glasss), and kinematic viscosity value is 85.63mm
2/ s.Here need to illustrate that the above adobe formula used is conventional formulation well known in the art, suitably can select according to method condition in practice, this partial content is not inventive point of the present invention.
But also it should be noted that, the clear frit particle that the present embodiment 7-1 selects is sprawled in sintering process, and ceramic tile is formed ice crystal textured pattern, and frit particle can be bought by colour glaze company and obtain.The present embodiment amasss frit particle thickness on adobe upper berth is 2mm.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. throw a production method for glazed brick, its production method comprises the steps:
(1), ceramic adobe is prepared;
(2), in adobe, spray one deck hydrophober, repave long-pending one deck frit particle, finally spray one deck frit granule agglomerant, fire formation frit layer;
(3), the described frit layer burnt till covers the glaze layer using oxide compound as chromogenic reagent and fires, when firing, frit layer and generation transmutation reaction are to obtain nature gradual change pattern;
(4), by the ceramic adobe of above-mentioned steps process through super-dry, burn till and rubbing down processing, can finished product be obtained;
Described frit granule agglomerant its by mass percentage, containing, for example lower component: cellulose thickener 5.0-6.0%, attapulgite 2.0-2.8%, defoamer is 1.1-1.4%, and dispersion agent is 1.2-1.8%, and surplus is solvent.
2. the production method of throwing glazed brick according to claim 1, is characterized in that: described cellulose thickener is at least one in Natvosol, hydroxyethylmethyl-cellulose and Vltra tears.
3. the production method of throwing glazed brick according to claim 1, is characterized in that: described dispersion agent is at least one in sodium polyacrylate, organic-silicon-modified sodium phosphate and Sodium hexametaphosphate 99.
4. the production method of throwing glazed brick according to claim 1, is characterized in that: described defoamer is polymethyl siloxane.
5. the production method of throwing glazed brick according to claim 1, is characterized in that: described solvent is at least one in water, ethylene glycol and ethanol.
6. the production method of throwing glazed brick according to claim 1, is characterized in that: described in step (2), the firing temperature of frit layer is 980-1050 degree, and the time is 1.2-1.8 hour.
7. the production method of throwing glazed brick according to claim 1, is characterized in that: the thickness amassing frit particle on adobe upper berth is 1-3mm.
8. the production method of throwing glazed brick according to claim 1, is characterized in that: the firing temperature in step (4) is 1100-1200 degree, firing time 1.5-3 hour.
9. throwing glazed brick production method according to claim 1, is characterized in that: described oxide compound is one or more combinations in ferric oxide, manganese oxide, cupric oxide, cobalt oxide.
10. throwing glazed brick production method according to claim 1, is characterized in that, rubbing down described in step (4) is processed as to be removed glaze layer rubbing down described in step (3).
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Application publication date: 20150128 |