CN102976721B - Low-temperature sintered ceramic glazed tile and preparation method thereof - Google Patents

Low-temperature sintered ceramic glazed tile and preparation method thereof Download PDF

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Publication number
CN102976721B
CN102976721B CN201210446388.9A CN201210446388A CN102976721B CN 102976721 B CN102976721 B CN 102976721B CN 201210446388 A CN201210446388 A CN 201210446388A CN 102976721 B CN102976721 B CN 102976721B
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glaze
adobe
glazed tile
temperature
screen printing
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CN102976721A (en
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梁耀龙
许崇飞
吴长发
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Jingdezhen Oceano Ceramic Co., Ltd.
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Foshan Oceano Ceramics Co Ltd
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Abstract

The invention discloses a low-temperature sintered ceramic glazed tile and preparation method thereof. The ceramic glazed tile comprises a tile blank, a top glaze layer, and a print glaze layer. In tile blank component raw materials, petalite (LiAlSi4O10) is adopted as a tile blank temperature-reducing material. A product is obtained through the steps of blending, ball milling and sieving, drying, press-molding, top glaze applying, roller printing, print glaze applying, and sintering. Sintering temperatures are that: sintering is carried out for 15-20min at a temperature of 970 DEG C when the material is delivered into a kiln; sintering is carried out for 20-25min at a temperature of 970-1150 DEG C; sintering is carried out for 5-10min at a temperature of 1150-1200 DEG C; temperature is maintained for 5-10min at 1200 DEG C; and sintering is carried out for 20-25min at a temperature of 1200-150 DEG C. According to the invention, lithium feldspar in lithium ore tailings is adopted as a tile blank temperature reducing material, such that defects of high sintering temperature and long sintering time of glazed tile in prior arts are overcome. Therefore, glazed tile low-temperature fast sintering is realized, energy consumption is reduced, and resource utilization rate is improved.

Description

Glaze for glazed tile of a kind of easy fired and preparation method thereof
Technical field
The present invention relates to building material field, particularly relate to glaze for glazed tile of a kind of easy fired and preparation method thereof.
Background technology
From current world wide construction sanitary ceramic production of articles benefit cost ratio, fuel cost shared ratio in production cost is maximum, in the total energy consumption of various countries' ceramic industry, reaches more than 40%.At present, global construction sanitary ceramic industrial expansion is subject to the restriction of high energy consumption always.Due to the price continuous rise of oily, electric over nearly 20 years, combustion gas and coal, also contain the tempo of ceramics.Domestic also have many Ceramics Enterprises to remain high due to energy consumption cost, causes product price to raise up, reduce the market competitiveness.
And lithium spectra is except as except Lithium Battery Industry raw material, and the consumption in glass-ceramic industry is also very large, can be used as glass solvent and pottery becomes porcelain, becoming in porcelain process can play mineralizer effect, the cooling time in shortening biscuiting cycle.At present, due to electromobile industry, mobile communication industry flourish, lithium cell has become required auxiliary products, and the raw material lithium ore deposit of lithium cell starts excessively to open gets.On the other hand, discarded lithium cell and overdeveloped lithium ore deposit tailings can not get Appropriate application, cause the waste of resource.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide glaze for glazed tile of a kind of easy fired and preparation method thereof, be intended to solve existing ornamental brick to fire energy consumption too high, resource of tailings utilizes difficult problem.
Technical scheme of the present invention is as follows:
A kind of glaze for glazed tile of easy fired, wherein, described glaze for glazed tile comprises adobe, cover coat, screen printing glaze layer, and described screen printing glaze layer, cover coat are from top to bottom successively set on described adobe surface, and component and the content of described adobe comprise by weight percentage:
SiO 2 45-70%;
Al 2O 3 15-22%;
LiO 2 0-1%;
CaO 0.5-5%;
MgO 1-10%;
Na 2O 1-10%;
K 2O 1-10%;
Fe 2O 30-1%;
TiO 20-0.5%。
The glaze for glazed tile of described easy fired, wherein, described cover coat component and content comprise by weight percentage:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 10-20%;
Na 2O 1-5%;
K 2O 1-5%;
MgO 1-5%;
ZrO 2 1-10%。
The glaze for glazed tile of described easy fired, wherein, described screen printing glaze layer is 100:(60-80 by throwing powdered frit, printing cream, roller stamp-pad ink by weight proportion): (5-15) mixing is made into; Component and the content of described throwing powdered frit comprise by weight percentage:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 5-10%;
MgO 1-5%;
Na 2O 1-5%;
K 2O 2-6%;
ZnO 2-6%。
The glaze for glazed tile of described easy fired, wherein, also comprising by weight percentage of described throwing powdered frit:
BaO 2-6%。
A preparation method for the glaze for glazed tile of easy fired described above, wherein, comprises the following steps:
S1, adobe batching: the raw material choosing the adobe preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, makes obtained adobe chemical composition by weight percentage, comprise following component:
SiO 2 45-70%;
Al 2O 3 15-22%;
LiO 2 0-1%;
CaO 0.5-5%;
MgO 1-10%;
Na 2O 1-10%;
K 2O 1-10%;
Fe 2O 30-1%;
TiO 20-0.5%;
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing.
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel;
S6, roller printing;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of printed floral designs;
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C.
The preparation method of the glaze for glazed tile of described easy fired, wherein, the sieve number used of sieving in described S2 step is 40 ~ 100 orders.
The preparation method of the glaze for glazed tile of described easy fired, wherein, executes screen printing glaze and adopts brushing glazing technique, printing screen printing glaze 2-4 time in described S7 step.
The preparation method of the glaze for glazed tile of described easy fired, wherein, the screen printing glaze used in described brushing glazing technique by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:(60-80): (5-15).
The preparation method of the glaze for glazed tile of described easy fired, wherein, described throwing glaze print thickness is 25-40CC.
The preparation method of the glaze for glazed tile of described easy fired, wherein, the calcining system of described S8 step is specific as follows: enter 970 DEG C, kiln, 15 ~ 20min; 970 DEG C ~ 1150 DEG C, 20 ~ 25min; 1150 DEG C ~ 1200 DEG C, 5 ~ 10min; 1200 DEG C, insulation 5 ~ 10min; 1200 DEG C ~ 150 DEG C, 20 ~ 25min.
Beneficial effect: glaze for glazed tile of a kind of easy fired provided by the invention and preparation method thereof, in described preparation method, adobe component utilizes lithium feldspar in the tailings of lithium ore deposit as adobe cooling material, overcome the shortcoming that ornamental brick firing temperature in prior art is high, firing time is long, achieve the low temperature fast firing of ornamental brick, reduce energy consumption, the utilization of resources is simultaneously abundant, avoids the wasting of resources.And the calcining system of glaze for glazed tile provided by the invention, the firing time hinge structure of glaze for glazed tile of the present invention is shortened, and work efficiency is improved.In a word, the invention provides the preparation method of the glaze for glazed tile that a kind of energy consumption reduces, firing time shortens.
Accompanying drawing explanation
Fig. 1 is preparation technology's schema of low-temperature sintering ceramic ornamental brick of the present invention.
Embodiment
The invention provides glaze for glazed tile of a kind of easy fired and preparation method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Main purpose of the present invention is to utilize lithium feldspar (LiAlSi 40 10) as adobe cooling material, overcome the shortcoming that ornamental brick firing temperature in prior art is high, firing time is long, a kind of low-temperature rapid firing method of new glaze for glazed tile is provided, greatly can reduces the firing temperature of ornamental brick, and shorten firing time, improve comprehensive utilization of resources efficiency simultaneously.In the present invention, be in adobe raw material, add the cooling stupalith of lithium feldspar as the best, in lithium feldspar, the amount of oxide containing lithium is about 1%.Particularly, described adobe raw material, according to weight percent meter, comprises feldspar 30 ~ 50%, mud material 20 ~ 30%, high temperature sand 10 ~ 20%, lithium feldspar 3 ~ 6%, talcum 3 ~ 6%.By add lithium feldspar about 3 ~ 6% in adobe raw material after, cooling-down effect is obvious, can reduce firing temperature and reach 15 ~ 25 DEG C.Lithium feldspar can play mineralizer effect in one-tenth porcelain process simultaneously, and to dystectic silica, clay, kaolin, lithium feldspar can be used as fusing assistant, thus shortens the cooling time in biscuiting cycle.The temperature of fusion of lithium feldspar own is low, and the fusing point of lithium is 180.54 DEG C, boiling point 1336 DEG C; With lithiumation thing---the lithium feldspar that natural feldspar thing exists, fusing point is 980 DEG C, and maximum boiling point can reach 1600 DEG C, widen the sintering range as alkalescence cooling mineralizer, and melt temperature scope is wide compared with potassium albite, and melt high temperature viscosity is less, and variation with temperature is slower.Then redly to have in mind, appoint you to become water vapor
Particularly, as shown in Figure 1, the preparation method of the glaze for glazed tile of described easy fired comprises the following steps:
S1, adobe batching: the raw material choosing the adobe preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, makes obtained adobe chemical composition by weight percentage, comprise following component:
SiO 2 45-70%;
Al 2O 3 15-22%;
LiO 2 0-1%;
CaO 0.5-5%;
MgO 1-10%;
Na 2O 1-10%;
K 2O 1-10%;
Fe 2O 30-1%;
TiO 20-0.5%;
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing.
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel;
S6, roller printing;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of printed floral designs.
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C.
Wherein, in described step S2, the sieve number used of sieving is 40 ~ 100 orders.In described iron removal, tramp iron separator can be adopted to carry out deironing, the tramp iron separator adopted is 3-5 platform, adopts plural serial stage mode.
In described step S5, described cover coat component and content comprise by weight percentage:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 10-20%;
Na 2O 1-5%;
K 2O 1-5%;
MgO 1-5%;
ZrO 2 1-10%。
In described step S7, screen printing glaze used requires that meltbility is good, surface tension and high temperature viscosity moderate, therefore, in the present invention, screen printing glaze will be mixed and made into a certain proportion of throwing powdered frit, print cream, roller stamp-pad ink.Be printed on the brick face of printed flower with screen printing glaze, print 2 ~ 4 times, to produce certain thickness, be convenient to polishing.Adopt brushing glazing technique, printing screen printing glaze 2-4 time.Described throwing glaze print thickness is 25-40CC(and 0.25-0.40mm), the screen printing glaze layer of this thickness is convenient to polishing, also makes the energy of deformation of adobe access and well makes up, and ensure that glazed surface is unlikely show-through.Described screen printing glaze by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:(60-80): (5-15).
In described screen printing glaze, throw powdered frit by weight percentage, comprise following component:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 5-10%;
MgO 1-5%;
Na 2O 1-5%;
K 2O 2-6%;
ZnO 2-6%。
Described throwing powdered frit, also comprises by weight percentage:
BaO 2-6%。
Above-mentioned throwing glaze component ensure that screen printing glaze has good meltbility and moderate surface tension and high temperature viscosity.The roller stamp-pad ink added in screen printing glaze add the viscosity that can reduce screen printing glaze, improve rate of drying, be beneficial to printing.
In described step S8, described in the calcining system that burns till specific as follows: enter 970 DEG C, kiln, 15 ~ 20min; 970 DEG C ~ 1150 DEG C, 20 ~ 25min; 1150 DEG C ~ 1200 DEG C, 5 ~ 10min; 1200 DEG C, insulation 5 ~ 10min; 1200 DEG C ~ 150 DEG C, 20 ~ 25min.In this system, the high-temperature zone time is relatively long, fully can be mediated by vaporization at high temperature thing, be beneficial to and burn till fast.Relatively general firing time shortens about 5 ~ 10 minutes.
Also provide the glaze for glazed tile of the easy fired adopting above-mentioned preparation method to make in the present invention, wherein, described glaze for glazed tile comprises adobe, cover coat, screen printing glaze layer, and described screen printing glaze layer, cover coat are from top to bottom successively set on described adobe surface.
Wherein, the component of described adobe and content comprise by weight percentage: SiO 245-70%; Al 2o 315-22%; LiO 20-1%; CaO0.5-5%; MgO1-10%; Na 2o 1-10%; K 2o 1-10%; Fe 2o 30-1%; TiO 20-0.5%.
Described cover coat component and content comprise by weight percentage: SiO 250-60%; Al 2o 315-20%; CaO 10-20%; Na 2o 1-5%; K 2o 1-5%; MgO 1-5%; ZrO 21-10%.
Described screen printing glaze layer component and content comprise by weight percentage: SiO 250-60%; Al 2o 315-20%; CaO 5-10%; MgO 1-5%; Na 2o 1-5%; K 2o 2-6%; ZnO 2-6%.Described screen printing glaze layer component and content also comprise by weight percentage: BaO 2-6%.
The present invention will be further described by the following examples.
Embodiment 1
The preparation method of the glaze for glazed tile of described easy fired comprises the following steps:
S1, batching: choose the adobe component raw material preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, component raw material and the content of described adobe comprise by weight percentage:
SiO 2 69.4%;
Al 2O 3 19.5%;
LiO 2 0.2%;
CaO 0.6%;
MgO 3.7%;
Na 2O 1%;
K 2O 5.5%;
Fe 2O 30.2%;
TiO 20.1%。
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing.
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel.Described cover coat component and content comprise by weight percentage:
SiO 2 55.5%;
Al 2O 3 17.5%;
CaO 11.2%;
Na 2O 2.6%;
K 2O 1.4%;
MgO 1.8%;
ZrO 2 10%。
S6, carry out roller printing on described adobe surface;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of described printed floral designs.Adopt brushing glazing technique, printing screen printing glaze 3 times.The screen printing glaze used in described brushing glazing technique by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:70:10.Described throwing glaze print thickness is 32CC.
Component and the content of described throwing powdered frit comprise by weight percentage:
SiO 2 59.4%;
Al 2O 3 18.5%;
CaO 7.2%;
MgO 2%;
Na 2O 1.5%;
K 2O 3.5%;
ZnO 3.9%;
BaO 4%。
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C.Concrete calcining system is specific as follows: enter 970 DEG C, kiln, 17 min; 970 DEG C ~ 1150 DEG C, 23 min; 1150 DEG C ~ 1200 DEG C, 8 min; 1200 DEG C, be incubated 8 min; 1200 DEG C ~ 150 DEG C, 23 min.
By adding the lithium feldspar in the tailings of lithium ore deposit in adobe raw material, the lithium feldspar in Appropriate application lithium ore deposit tailings, and make in the sintering process of glaze for glazed tile, to reduce firing temperature and reach 15 ~ 25 DEG C, and firing time also shortens.Fire the glaze for glazed tile obtained and produce the same natural effect with stone material of ornamental brick with usual manner, surface is exquisiteness naturally, but adopt preparation method provided by the present invention comparatively prior art save energy consumption, and decrease the production time.
Embodiment 2
The preparation method of the glaze for glazed tile of described easy fired comprises the following steps:
S1, batching: choose the adobe component raw material preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, component raw material and the content of described adobe comprise by weight percentage:
SiO 2 68.4%;
Al 2O 3 20.5%;
LiO 2 0.5%;
CaO 0.5%;
MgO 3.9%;
Na 2O 1.4%;
K 2O 4.3%;
Fe 2O 30.4%;
TiO 20.1%。
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing.
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel.Described cover coat component and content comprise by weight percentage:
SiO 2 56.5%;
Al 2O 3 16.5%;
CaO 10%;
Na 2O 3.1%;
K 2O 1.5%;
MgO 2.4%;
ZrO 2 10%。
S6, carry out roller printing on described adobe surface;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of described printed floral designs.Adopt brushing glazing technique, printing screen printing glaze 4 times.The screen printing glaze used in described brushing glazing technique by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:80:15.Described throwing glaze print thickness is 40CC.
Component and the content of described throwing powdered frit comprise by weight percentage:
SiO 2 58%;
Al 2O 3 16.5%;
CaO 9%;
MgO 3.5%;
Na 2O 4%;
K 2O 4.8%;
ZnO 4.2%。
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C.Concrete calcining system is specific as follows: enter 970 DEG C, kiln, 20min; 970 DEG C ~ 1150 DEG C, 25min; 1150 DEG C ~ 1200 DEG C, 10min; 1200 DEG C, insulation 10min; 1200 DEG C ~ 150 DEG C, 25min.
By adding the lithium feldspar in the tailings of lithium ore deposit in adobe raw material, the lithium feldspar in Appropriate application lithium ore deposit tailings, and make in the sintering process of glaze for glazed tile, to reduce firing temperature and reach 15 ~ 25 DEG C, and firing time also shortens.Fire the glaze for glazed tile obtained and produce the same natural effect with stone material of ornamental brick with usual manner, surface is exquisiteness naturally, but adopt preparation method provided by the present invention comparatively prior art save energy consumption, and decrease the production time.
Embodiment 3
The preparation method of the glaze for glazed tile of described easy fired comprises the following steps:
S1, batching: choose the adobe component raw material preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, component raw material and the content of described adobe comprise by weight percentage:
SiO 2 69.5%;
Al 2O 3 19.5%;
LiO 2 0.2%;
CaO 0.5%;
MgO 3.7%;
Na 2O 1%;
K 2O 5.3%;
Fe 2O 30.2%;
TiO 20.1%。
Utilize petalite (LiAlSi in the tailings of lithium ore deposit 4o 10) as adobe cooling material of the present invention, the firing temperature of ornamental brick can be reduced, shorten the cooling time in biscuiting cycle, realize low temperature fast firing.Achieve effective utilization of resource simultaneously, improve comprehensive utilization of resources efficiency.
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing.
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel.Described cover coat component and content comprise by weight percentage:
SiO 2 55.5%;
Al 2O 3 17.5%;
CaO 11.2%;
Na 2O 2.6%;
K 2O 1.4%;
MgO 1.8%;
ZrO 2 10%。
S7, carry out roller printing on described adobe surface;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of described printed floral designs.Adopt brushing glazing technique, printing screen printing glaze 3 times.The screen printing glaze used in described brushing glazing technique by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:70:10.Described throwing glaze print thickness is 32CC.
Component and the content of described throwing powdered frit comprise by weight percentage:
SiO 2 59.4%;
Al 2O 3 18.5%;
CaO 7.2%;
MgO 2%;
Na 2O 1.5%;
K 2O 3.5%;
ZnO 3.9%;
BaO 4%。
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C.Concrete calcining system is specific as follows: enter 970 DEG C, kiln, 15min; 970 DEG C ~ 1150 DEG C: 15min; 1150 DEG C ~ 1200 DEG C: 5min; 1200 DEG C: insulation 10min; 1200 DEG C ~ 150 DEG C: 10min.In this system, the high-temperature zone time is relatively long, fully can be mediated by vaporization at high temperature thing, be beneficial to and burn till fast.Relatively general firing time shortens about 5 ~ 10 minutes.
By adding the lithium feldspar in the tailings of lithium ore deposit in adobe raw material, the lithium feldspar in Appropriate application lithium ore deposit tailings, and make in the sintering process of glaze for glazed tile, to reduce firing temperature and reach 15 ~ 25 DEG C, and firing time also shortens.Fire the glaze for glazed tile obtained and produce the same natural effect with stone material of ornamental brick with usual manner, surface is exquisiteness naturally, but adopt preparation method provided by the present invention comparatively prior art save energy consumption, and decrease the production time.
Glaze for glazed tile of easy fired of the present invention and preparation method thereof, utilizes the lithium feldspar (LiAlSi in the tailings of lithium ore deposit 4o 10) as adobe cooling material, overcome the shortcoming that ornamental brick firing temperature in prior art is high, firing time is long, achieve the low temperature fast firing of ornamental brick, reduce energy consumption, the utilization of resources is simultaneously abundant, avoids the wasting of resources.And the calcining system of glaze for glazed tile provided by the invention, the firing time hinge structure of glaze for glazed tile of the present invention is shortened, and work efficiency is improved.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.

Claims (6)

1. the glaze for glazed tile of an easy fired, it is characterized in that, described glaze for glazed tile comprises adobe, cover coat, screen printing glaze layer, described screen printing glaze layer, cover coat are from top to bottom successively set on described adobe surface, the blank raw material of described adobe comprises the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, described adobe raw materials by weight meter, comprise feldspar 30%-50%, mud material 20%-30%, high temperature sand 10%-20%, lithium feldspar 3%-6%, talcum 3%-6%, component and the content of described adobe comprise by weight percentage:
SiO 2 45-70%;
Al 2O 3 15-22%;
LiO 2 0.2-1%;
CaO 0.5-5%;
MgO 1-10%;
Na 2O 1-10%;
K 2O 1-10%;
Fe 2O 30-1%;
TiO 20-0.5%;
Described cover coat component and content comprise by weight percentage:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 10-20%;
Na 2O 1-5%;
K 2O 1-5%;
MgO 1-5%;
ZrO 2 1-10%;
Described screen printing glaze layer is 100:(60-80 by throwing powdered frit, printing cream, roller stamp-pad ink by weight proportion): (5-15) mixing is made into; Component and the content of described throwing powdered frit comprise by weight percentage:
SiO 2 50-60%;
Al 2O 3 15-20%;
CaO 5-10%;
MgO 1-5%;
Na 2O 1-5%;
K 2O 2-6%;
ZnO 2-6%;
The calcining system of described glaze for glazed tile is specially: enter 970 DEG C, kiln, 15 ~ 20min; 970 DEG C ~ 1150 DEG C, 20 ~ 25min; 1150 DEG C ~ 1200 DEG C, 5 ~ 10min; 1200 DEG C, insulation 5 ~ 10min; 1200 DEG C ~ 150 DEG C, 20 ~ 25min.
2. the glaze for glazed tile of easy fired according to claim 1, is characterized in that, also comprising by weight percentage of described throwing powdered frit:
BaO 2-6%。
3. the preparation method of the glaze for glazed tile of easy fired as described in any one of claim 1-2, is characterized in that, comprise the following steps:
S1, adobe batching: the raw material choosing the adobe preparing glaze for glazed tile, comprising the lithium feldspar in feldspar, mud material, high temperature sand, talcum and lithium ore deposit tailings, described adobe raw materials by weight meter, comprise feldspar 30%-50%, mud material 20%-30%, high temperature sand 10%-20%, lithium feldspar 3%-6%, talcum 3%-6%, makes obtained adobe chemical composition by weight percentage, comprises following component:
SiO 2 45-70%;
Al 2O 3 15-22%;
LiO 2 0.2-1%;
CaO 0.5-5%;
MgO 1-10%;
Na 2O 1-10%;
K 2O 1-10%;
Fe 2O 30-1%;
TiO 20-0.5%;
S2, ball milling, sieve, deironing: adding water mixes with the raw material of described adobe, sends into ball mill and carries out ball milling, then sieve, deironing;
S3, drying: the adobe prepared using spray-drying tower after described deironing is carried out spraying dry and obtains adobe powder;
S4, compression moulding dry: utilize described adobe powder to carry out adobe compacting and shaping, then dry, obtained adobe;
S5, execute cover-coat enamel: at described adobe surface charity cover-coat enamel;
S6, roller printing;
S7, execute screen printing glaze: at the adobe surface charity screen printing glaze of printed floral designs;
S8, enter klining become: firing temperature is 970 DEG C ~ 1200 DEG C;
Described calcining system is specially: enter 970 DEG C, kiln, 15 ~ 20min; 970 DEG C ~ 1150 DEG C, 20 ~ 25min; 1150 DEG C ~ 1200 DEG C, 5 ~ 10min; 1200 DEG C, insulation 5 ~ 10min; 1200 DEG C ~ 150 DEG C, 20 ~ 25min;
The screen printing glaze used in described brushing glazing technique by throwing powdered frit, print cream, roller stamp-pad ink mixture are made, throw powdered frit, print cream, roller stamp-pad ink part by weight be 100:(60-80): (5-15).
4. the preparation method of the glaze for glazed tile of easy fired according to claim 3, is characterized in that, the sieve number used of sieving in described S2 step is 40 ~ 100 orders.
5. the preparation method of the glaze for glazed tile of easy fired according to claim 3, is characterized in that, executes screen printing glaze and adopt brushing glazing technique in described S7 step, printing screen printing glaze 2-4 time.
6. the preparation method of the glaze for glazed tile of easy fired according to claim 3, is characterized in that, throwing glaze print thickness is 25-40CC.
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