CN108530027A - The transmutation artistic glaze ceramics of china clay production are discarded in recycling - Google Patents
The transmutation artistic glaze ceramics of china clay production are discarded in recycling Download PDFInfo
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Abstract
The present invention relates to the transmutation artistic glaze ceramics that china clay production is discarded in a kind of recycling, including green body, ground-coat enamel and overglaze, green body to be prepared by following raw materials of parts by weight：Low-grade china clay, secondary clay, spodumene, sheet kaolinite, ferriferous oxide, titanium oxide, cerium oxide, caesium oxide；Ground-coat enamel is prepared by following raw materials of parts by weight：Quartz, potassium feldspar, lime stone, iron powder, titanium dioxide or cobalt oxide, magnesium carbonate, aluminium oxide；Overglaze is prepared by following raw materials of parts by weight：Manganese tailing, clay, plant ash, moisture soil, di-iron trioxide, boron nitride, vermiculite, nano-sized magnesium titanate, glass fibre, selenium oxide, coloring oxide；Then it is burnt into next time 5~7 hours in the oxidation of 1230 DEG C~1250 DEG C temperature or reducing atmosphere.Using the low-grade china clay and secondary clay of Dehua rich reserves as main raw material(s), it is not necessary to remove ironworking technique by any, Raw material processing process can be simplified, save working hour and the energy.
Description
Technical field
The present invention relates to transmutation artistic glaze ceramic fields, particularly relate to a kind of transmutation artistic glaze of the discarded china clay production of recycling
Ceramics.
Background technology
Dehua rich in mineral resources, numerous in variety, wherein china clay content is the abundantest.Traditional ceramics used in production ceramics
Material kaolin, Dehua County is within the border so far it has been found that 103 mine points, total storage capacity is at 100,000,000 tons or more；However traditional ceramics
Although raw material storing amount comparison is abundant, mineral resources belong to non-renewable resources, to supply Dehua County family more than 1400
The demand of Production of Ceramics enterprise will certainly cause the exhaustion of Dehua traditional porcelain soil resource, continuous due to traditional ceramics raw material
Scarcity, the china clay price such as kaolin on Vehicles Collected from Market used in production ceramics is higher and higher, and the production cost of ceramic product is not yet
It is disconnected to improve；Dehua will also persistently appreciate, export rebate rate as China maximum export base of ceramics in face of RMB in recent years
Lower, raw material pressure, the profit margin of ceramic product such as jump up and are greatly reducing, it is, thus, sought for a production
The method of the ceramic new material of inexpensive high added value is imperative.
The cheap soil storage capacity in Dehua is abundant, according to ASSOCIATE STATISTICS, secondary clay resource storage of the Dehua County based on red soil
Storage is 2,900,000 mu.Due to numerous secondary clay amounts containing ferrotitanium height, it is unfavorable for producing ceramic product, so being made pottery by Dehua always
Porcelain enterprise is ignored.
In traditional ceramics production, general Production of Ceramics enterprise custom uses the lower china clay of ferrotitanium content, because of base glaze
Fe in raw material203Content often increase by 0.1%, the whiteness of ceramic product will reduce by 1.4 degree；And Fe203And Ti02Total amount is 0.18
When ~ 0.57%, often increase by 0.1% Fe203Or Ti02, the whiteness of product will reduce by 1.8 degree.
Invention content
The present invention provides the transmutation artistic glaze ceramics that china clay production is discarded in a kind of recycling, to overcome low-grade china clay and secondary viscous
Soil is difficult to recycling and wasting problem.
The present invention adopts the following technical scheme that：
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：35~45 parts of low-grade china clay, 16~20 parts of secondary clay, 7~11 parts of spodumene, 9~12 parts of sheet kaolinite,
2~4 parts of ferriferous oxide, 2~4 parts of titanium oxide, 0.5~1 part of cerium oxide, 0.5~1 part of caesium oxide；The system of green body mud
During standby, waterglass or soda water that weight percent is 3~5% is added.The ground-coat enamel by parts by weight following raw material systems
It is standby：25~28 parts of quartz, 20~25 parts of potassium feldspar, 5~8 parts of lime stone, 3~5 parts of iron powder, titanium dioxide or cobalt oxide 2~4
Part, 8~12 parts of magnesium carbonate, 15~18 parts of aluminium oxide.The overglaze is prepared by following raw materials of parts by weight：Manganese tailing 30~38
Part, 18~23 parts of clay, 6~9 parts of plant ash, 12~15 parts of moisture soil, 2~4 parts of di-iron trioxide, 8~11 parts of boron nitride, vermiculite
5~8 parts, 10~13 parts of nano-sized magnesium titanate, 8~12 parts of glass fibre, 4~6 parts of selenium oxide, 1~3 part of coloring oxide.Ground-coat enamel
It impregnates the surface overglaze spraying for being either sprayed on green body or pours leaching in ground-coat enamel surface；Then in 1230 DEG C~1250 DEG C temperature
Oxidation or reducing atmosphere be burnt into next time 5~7 hours.
It is further improved ground, the locally sprayed of the ground-coat enamel surface has frit glaze layer, the overglaze to cover the frit glaze layer.
It is further improved ground, the coloring oxide is Fe2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·
Sb2O3, CdS or CoOAl2O3。
It is further improved ground, the coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/ DEG C, the heat of ground-coat enamel
The coefficient of expansion is controlled 5.5 × 10-6/ DEG C~5.8 × 10-6/ DEG C, the coefficient of thermal expansion of overglaze is controlled 5.4 × 10-6/ DEG C~
5.7×10-6/℃。
It is further improved ground, the outer surface of the ground-coat enamel applies 4 layers of overglaze, the method for drafting and priority of overglaze successively
Sequence is freely arranged in pairs or groups, and different color matching methods will produce different transmutation effects.
The formation mechenism of furnace transmutation glaze is that the beginning fusing point of bottom color glaze is slightly below the color glaze of other chromatographs, when bottom glaze reaches
Beginning fusing point starts to blister, and other 3 layers of color glaze is pushed mutually to melt, and shows watercolors and interpenetrates the colorful skill of generation
Art effect drives the fusion of other glaze layers after the boiling blistering of bottom glaze temperature, glaze, which will be formed, after temperature declines is similar to
The artistic effect of peacock speckle or duckweed skin texture, riot of color, light are gorgeous brilliant under the setting off of black ground-coat enamel.
Just because of this formation mechenism of furnace transmutation glaze, therefore it will produce two large problems：First, the critical point of glaze layer boiling
It is difficult to determine, for temperature range just between the several years, temperature is excessively high, and color glaze trickles onto refractory slab sometimes, and glaze colours was overlapped sometimes
Point cause mutually to cover, color becomes cloudy, burnt hair；Temperature is too low, it may appear that glaze is dim, and each glaze layer color spot, which ossifys, to be isolated, and is had
When there is glaze layer bubble and not enough not yet repair because of temperature and just cooled down, there are no form transmutation effect.The firing of medium temperature furnace transmutation glaze makes
It is modern electrical kiln, although having many advantages, such as that low energy consumption, quick heating, its each layer excessive temperature differentials, lowest level and top layer's temperature
For difference up to 10~15 DEG C, the kiln wall heating wire position of same layer is 2~3 DEG C with the intermediate temperature difference, so the essence that one kiln of firing obtains
Product rate is very limited.
Yin jaundice phenomenon refers to ceramic product locally jaundice, intensely dark, the coarse phenomenon of feel, is generally present in close to electric furnace
The position of silk, this may with unilateral temperature is excessively high causes burning related, object and electric furnace heating wire are kept one by solution as far as possible
Set a distance is generally advisable with 10cm, and common common type porcelain billet is put outside, by that moulding is complicated, glaze color change requires is special
Inner layer is put, puts kiln position so relatively more rationally.
The blistering of furnace transmutation glaze product, matt phenomenon are solved, potassium oxide on the one hand can be introduced in glaze formula, is aoxidized
Sodium, in addition adding a small amount of magnesia, calcium oxide can be such that the firing temperature of color glaze is declined, but pursue low temperature glass simply
Change, it sometimes appear that sagging phenomenon, low temperature glaze is obviously not so good as that high-temperature glaze is so high, and color is also less gorgeous at glossiness after porcelain
It is beautiful, so transmutation temperature is finally determined that color glaze effect is relatively good after 1217~1222 DEG C, product firing by testing repeatedly.
Since temperature difference in kiln is big, it is desirable that undermost ceramic product puts that density is small, and repetition glazing can be used for what is do not reached requirement
When secondary burning, best transmutation effect is reached, reduces rejection rate.
Furnace transmutation glaze craftwork in sintering procedure if heat up it is too fast if easy generations checking, infantile convulsion, deform the problems such as, but if
Not the problems such as too slow, temperature that heats up does not reach requirement, easy tos produce blistering, sagging, not positive color development, and it is unable to reach transmutation effect,
So adjustment heating curve is extremely important for burnt product.By the adjustment to 4 sections of heating-up times, the oxidizing atmosphere of furnace transmutation glaze
Close to critical point, burn out that ceramics color development is gorgeous, color saturation, the range restraint of flowing is in 0.5cm or so, peacock
Speckle is apparent, rich in decorative effect.
By the above-mentioned description of this invention it is found that compared to the prior art, the invention has the advantages that：The pottery of the present invention
Porcelain is using Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay and secondary clay are as main former material
Material is had using novel enamelings techniques such as multilayer glazing, point glaze in raw material selection, formula, glazing technology, sintering process etc.
Larger novelty develops times European style process artistic pottery and porcelain, improves resource utilization, more energy-saving feature.
Specific implementation mode
Embodiment one
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：40 parts of low-grade china clay, 18 parts of secondary clay, 9 parts of spodumene, 10 parts of sheet kaolinite, 3 parts of ferriferous oxide, titanium
2 parts of oxide, 0.8 part of cerium oxide, 0.6 part of caesium oxide；In the preparation process of green body mud, it is 3 that weight percent, which is added,
~5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The bottom
Glaze is prepared by following raw materials of parts by weight：26 parts of quartz, 23 parts of potassium feldspar, 6 parts of lime stone, 4 parts of iron powder, titanium dioxide or oxidation
The coefficient of thermal expansion of 3 parts of cobalt, 10 parts of magnesium carbonate, 17 parts of aluminium oxide, ground-coat enamel is controlled 5.5 × 10-6/ DEG C~5.8 × 10-6/℃。
The overglaze is prepared by following raw materials of parts by weight：35 parts of manganese tailing, 20 parts of clay, 8 parts of plant ash, 14 parts of moisture soil, three oxidations two
3 parts of iron, 9 parts of boron nitride, 6 parts of vermiculite, 11 parts of nano-sized magnesium titanate, 10 parts of glass fibre, 5 parts of selenium oxide, coloring oxide 2
Part；The coloring oxide is Fe2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoO
Al2O3.The coefficient of thermal expansion of overglaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on green body
Surface, overglaze spray or pour leaching in ground-coat enamel surface；The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, and overglaze is painted
Method processed and sequencing are freely arranged in pairs or groups, and different color matching methods will produce different transmutation effects.Then 1230 DEG C~
The reducing atmosphere of 1250 DEG C of temperature is burnt into 6~7 hours next time.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
Embodiment two
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：35 parts of low-grade china clay, 20 parts of secondary clay, 7 parts of spodumene, 12 parts of sheet kaolinite, 2 parts of ferriferous oxide, titanium
4 parts of oxide, 1 part of cerium oxide, 0.5 part of caesium oxide；In the preparation process of green body mud, be added weight percent be 3~
5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The ground-coat enamel
It is prepared by following raw materials of parts by weight：26 parts of quartz, 23 parts of potassium feldspar, 6 parts of lime stone, 4 parts of iron powder, titanium dioxide or cobalt oxide
3 parts, 10 parts of magnesium carbonate, 17 parts of aluminium oxide, the coefficient of thermal expansion of ground-coat enamel controls 5.5 × 10-6/ DEG C~5.8 × 10-6/℃.Institute
Overglaze is stated to be prepared by following raw materials of parts by weight：35 parts of manganese tailing, 20 parts of clay, 8 parts of plant ash, 14 parts of moisture soil, di-iron trioxide 3
Part, 9 parts of boron nitride, 6 parts of vermiculite, 11 parts of nano-sized magnesium titanate, 10 parts of glass fibre, 5 parts of selenium oxide, 2 parts of coloring oxide；Institute
It is Fe to state coloring oxide2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoOAl2O3.Face
The coefficient of thermal expansion of glaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on the surface of green body, face
Glaze sprays or pours leaching in ground-coat enamel surface；Further, the locally sprayed of ground-coat enamel surface has frit glaze layer, and the overglaze covering should
Frit glaze layer.The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, and the method for drafting and sequencing of overglaze are freely taken
Match, different color matching methods will produce different transmutation effects.Then one under the reducing atmosphere of 1230 DEG C~1250 DEG C temperature
Secondary firing 7 hours.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
Embodiment three
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：40 parts of low-grade china clay, 18 parts of secondary clay, 9 parts of spodumene, 10 parts of sheet kaolinite, 3 parts of ferriferous oxide, titanium
2 parts of oxide, 0.8 part of cerium oxide, 0.6 part of caesium oxide；In the preparation process of green body mud, it is 3 that weight percent, which is added,
~5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The bottom
Glaze is prepared by following raw materials of parts by weight：28 parts of quartz, 25 parts of potassium feldspar, 5 parts of lime stone, 5 parts of iron powder, titanium dioxide or oxidation
The coefficient of thermal expansion of 4 parts of cobalt, 12 parts of magnesium carbonate, 15 parts of aluminium oxide, ground-coat enamel is controlled 5.5 × 10-6/ DEG C~5.8 × 10-6/℃。
The overglaze is prepared by following raw materials of parts by weight：35 parts of manganese tailing, 20 parts of clay, 8 parts of plant ash, 14 parts of moisture soil, three oxidations two
3 parts of iron, 9 parts of boron nitride, 6 parts of vermiculite, 11 parts of nano-sized magnesium titanate, 10 parts of glass fibre, 5 parts of selenium oxide, coloring oxide 2
Part；The coloring oxide is Fe2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoO
Al2O3.The coefficient of thermal expansion of overglaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on green body
Surface, overglaze spray or pour leaching in ground-coat enamel surface；The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, and overglaze is painted
Method processed and sequencing are freely arranged in pairs or groups, and different color matching methods will produce different transmutation effects.Then 1230 DEG C~
The oxidizing atmosphere of 1250 DEG C of temperature is burnt into 6 hours next time.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
Embodiment four
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：40 parts of low-grade china clay, 18 parts of secondary clay, 9 parts of spodumene, 10 parts of sheet kaolinite, 3 parts of ferriferous oxide, titanium
2 parts of oxide, 0.8 part of cerium oxide, 0.6 part of caesium oxide；In the preparation process of green body mud, it is 3 that weight percent, which is added,
~5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The bottom
Glaze is prepared by following raw materials of parts by weight：25 parts of quartz, 20 parts of potassium feldspar, 8 parts of lime stone, 3 parts of iron powder, titanium dioxide or oxidation
The coefficient of thermal expansion of 4 parts of cobalt, 8 parts of magnesium carbonate, 15 parts of aluminium oxide, ground-coat enamel is controlled 5.5 × 10-6/ DEG C~5.8 × 10-6/℃.Institute
Overglaze is stated to be prepared by following raw materials of parts by weight：38 parts of manganese tailing, 18 parts of clay, 9 parts of plant ash, 15 parts of moisture soil, di-iron trioxide 2
Part, 11 parts of boron nitride, 5 parts of vermiculite, 13 parts of nano-sized magnesium titanate, 12 parts of glass fibre, 4 parts of selenium oxide, 3 parts of coloring oxide；
The coloring oxide is Fe2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoOAl2O3。
The coefficient of thermal expansion of overglaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on the surface of green body,
Overglaze sprays or pours leaching in ground-coat enamel surface；Further, the locally sprayed of ground-coat enamel surface has frit glaze layer, the overglaze covering
The frit glaze layer.The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, and the method for drafting and sequencing of overglaze are freely taken
Match, different color matching methods will produce different transmutation effects.Then one under the reducing atmosphere of 1230 DEG C~1250 DEG C temperature
Secondary firing 7 hours.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
Embodiment five
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：45 parts of low-grade china clay, 16 parts of secondary clay, 11 parts of spodumene, 12 parts of sheet kaolinite, 4 parts of ferriferous oxide, titanium
2 parts of oxide, 0.5 part of cerium oxide, 1 part of caesium oxide；In the preparation process of green body mud, be added weight percent be 3~
5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The ground-coat enamel
It is prepared by following raw materials of parts by weight：26 parts of quartz, 23 parts of potassium feldspar, 6 parts of lime stone, 4 parts of iron powder, titanium dioxide or cobalt oxide
3 parts, 10 parts of magnesium carbonate, 17 parts of aluminium oxide, the coefficient of thermal expansion of ground-coat enamel controls 5.5 × 10-6/ DEG C~5.8 × 10-6/℃.Institute
Overglaze is stated to be prepared by following raw materials of parts by weight：35 parts of manganese tailing, 20 parts of clay, 8 parts of plant ash, 14 parts of moisture soil, di-iron trioxide 3
Part, 9 parts of boron nitride, 6 parts of vermiculite, 11 parts of nano-sized magnesium titanate, 10 parts of glass fibre, 5 parts of selenium oxide, 2 parts of coloring oxide；Institute
It is Fe to state coloring oxide2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoOAl2O3.Face
The coefficient of thermal expansion of glaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on the surface of green body, face
Glaze sprays or pours leaching in ground-coat enamel surface；The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, the method for drafting of overglaze and
Sequencing is freely arranged in pairs or groups, and different color matching methods will produce different transmutation effects.Then in 1230 DEG C~1250 DEG C temperature
Oxidizing atmosphere be burnt into next time 5~6 hours.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
Embodiment six
The transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling.The green body is by under parts by weight
State raw material preparation：35 parts of low-grade china clay, 16 parts of secondary clay, 7 parts of spodumene, 9 parts of sheet kaolinite, 3 parts of ferriferous oxide, titanyl
3 parts of compound, 0.8 part of cerium oxide, 0.8 part of caesium oxide；In the preparation process of green body mud, be added weight percent be 3~
5% waterglass or soda water；The coefficient of thermal expansion of green body is controlled 5.8 × 10-6/ DEG C~6.0 × 10-6/℃.The ground-coat enamel
It is prepared by following raw materials of parts by weight：26 parts of quartz, 23 parts of potassium feldspar, 6 parts of lime stone, 4 parts of iron powder, titanium dioxide or cobalt oxide
3 parts, 10 parts of magnesium carbonate, 17 parts of aluminium oxide, the coefficient of thermal expansion of ground-coat enamel controls 5.5 × 10-6/ DEG C~5.8 × 10-6/℃.Institute
Overglaze is stated to be prepared by following raw materials of parts by weight：33 parts of manganese tailing, 19 parts of clay, 7 parts of plant ash, 13 parts of moisture soil, di-iron trioxide 3
Part, 9 parts of boron nitride, 7 parts of vermiculite, 12 parts of nano-sized magnesium titanate, 8 parts of glass fibre, 6 parts of selenium oxide, 2 parts of coloring oxide；Institute
It is Fe to state coloring oxide2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoOAl2O3.Face
The coefficient of thermal expansion of glaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃.Ground-coat enamel impregnates or is sprayed on the surface of green body, face
Glaze sprays or pours leaching in ground-coat enamel surface；Further, the locally sprayed of ground-coat enamel surface has frit glaze layer, and the overglaze covering should
Frit glaze layer.The outer surface of the ground-coat enamel applies 4 layers of overglaze successively, and the method for drafting and sequencing of overglaze are freely taken
Match, different color matching methods will produce different transmutation effects.Then one under the reducing atmosphere of 1230 DEG C~1250 DEG C temperature
Secondary firing 6~7 hours.
The ceramics of present embodiment use Dehua rich reserves but the higher poor material of ferrotitanium content --- low-grade china clay
With secondary clay as main raw material(s), using novel enamelings techniques such as multilayer glazing, point glaze, in raw material selection, formula, glazing
Technique, sintering process etc. have larger novelty, develop times European style process artistic pottery and porcelain, improve resource utilization, more save
Can lower consumption feature.
The specific implementation mode of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Conceive the change for carrying out unsubstantiality to the present invention, the behavior for invading the scope of the present invention should all be belonged to.
Claims (5)
1. the transmutation artistic glaze ceramics of china clay production, including green body, ground-coat enamel and overglaze are discarded in recycling, it is characterised in that：
The green body is prepared by following raw materials of parts by weight：35~45 parts of low-grade china clay, 16~20 parts of secondary clay, spodumene 7
~11 parts, 9~12 parts of sheet kaolinite, 2~4 parts of ferriferous oxide, 2~4 parts of titanium oxide, 0.5~1 part of cerium oxide, caesium oxygen
0.5~1 part of compound；In the preparation process of green body mud, waterglass or soda water that weight percent is 3~5% is added；
The ground-coat enamel is prepared by following raw materials of parts by weight：Quartz 25~28 parts, 20~25 parts of potassium feldspar, 5~8 parts of lime stone,
2~4 parts of 3~5 parts of iron powder, titanium dioxide or cobalt oxide, 8~12 parts of magnesium carbonate, 15~18 parts of aluminium oxide；
The overglaze is prepared by following raw materials of parts by weight：30~38 parts of manganese tailing, 18~23 parts of clay, 6~9 parts of plant ash, tide
12~15 parts of soil, 2~4 parts of di-iron trioxide, 8~11 parts of boron nitride, 5~8 parts of vermiculite, 10~13 parts of nano-sized magnesium titanate, glass
8~12 parts of glass fiber, 4~6 parts of selenium oxide, 1~3 part of coloring oxide；
Ground-coat enamel dipping is either sprayed on the surface overglaze spraying of green body or pours leaching in ground-coat enamel surface；Then 1230 DEG C~
The oxidation of 1250 DEG C of temperature or reducing atmosphere are burnt into 5~7 hours next time.
2. the transmutation artistic glaze ceramics of china clay production are discarded in recycling as described in claim 1, it is characterised in that：The ground-coat enamel table
The locally sprayed of face has frit glaze layer, the overglaze to cover the frit glaze layer.
3. the transmutation artistic glaze ceramics of china clay production are discarded in recycling as described in claim 1, it is characterised in that：The coloring oxygen
Compound is Fe2O3、CoCO3、CrCl3、Cu(OH)2、Na2U2O7、2PbO·Sb2O3, CdS or CoOAl2O3。
4. the transmutation artistic glaze ceramics of china clay production are discarded in recycling as described in claim 1, it is characterised in that：The heat of green body is swollen
Swollen coefficient control is 5.8 × 10-6/ DEG C~6.0 × 10-6/ DEG C, the coefficient of thermal expansion of ground-coat enamel is controlled 5.5 × 10-6/ DEG C~5.8
×10-6/ DEG C, the coefficient of thermal expansion of overglaze is controlled 5.4 × 10-6/ DEG C~5.7 × 10-6/℃。
5. the transmutation artistic glaze ceramics of china clay production are discarded in recycling as described in claim 1, it is characterised in that：The ground-coat enamel
Outer surface applies 4 layers of overglaze successively, and the method for drafting and sequencing of overglaze are freely arranged in pairs or groups.
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