CN112611226A - Energy-saving support piece for daily ceramic firing and preparation method of support piece - Google Patents
Energy-saving support piece for daily ceramic firing and preparation method of support piece Download PDFInfo
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- CN112611226A CN112611226A CN202011500016.0A CN202011500016A CN112611226A CN 112611226 A CN112611226 A CN 112611226A CN 202011500016 A CN202011500016 A CN 202011500016A CN 112611226 A CN112611226 A CN 112611226A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0025—Composite supporting structures assembled to present a three-point support
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/30—Drying methods
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B2235/3248—Zirconates or hafnates, e.g. zircon
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/6567—Treatment time
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Abstract
The invention relates to an energy-saving support piece for firing daily ceramic and a preparation method thereof, wherein the support piece comprises a plurality of Y-shaped brackets which are stacked together up and down, and the preparation method of the support piece comprises the following steps: a, preparing raw materials; b, mixing and rolling; c, ageing the materials; d, manufacturing a support blank; e, drying; f, firing. The Y-shaped support is provided with the supporting legs, can independently support daily-use porcelain, is light in weight, low in self heat absorption and energy consumption, uniform in heat exchange in the kiln, high in ceramic firing qualification rate, energy-saving and quick in firing, stable in loading and stacking, large in daily-use porcelain loading amount in the same space, convenient and quick in loading and unloading of workers, small in contact area, and meanwhile, the ceramic to be fired is supported by the three convex edges, and the zircon sand is contained in the Y-shaped support, can prevent the bonding of the glaze surface, reduces the bonding damage of the glaze surface, and improves the overall attractiveness of the ceramic. The ceramic piece is not easy to deform in the using process, and the ceramic piece subjected to firing is protected from deformation and damage.
Description
Technical Field
The invention relates to the technical field of kiln furniture, in particular to an energy-saving support piece for daily ceramic firing and a preparation method of the support piece.
Background
Often support with decking and pillar set-up frame and fire domestic ceramics when ceramic, the consumptive material of its decking and pillar is big, and weight is heavy, and the energy consumption is high, and the volume of loading domestic ceramics is few, and the workman loads and unloads inconvenient swift, and big with the ceramic contact area who supports, the ceramic glaze bonding damage is big, influences ceramic pleasing to the eye.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an energy-saving support for daily ceramic firing and a preparation method of the support.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an energy-saving support piece is used in ceramic firing of daily use, includes a plurality of Y shape supports that stack together from top to bottom, and the three-end of Y shape support all links there is vertical landing leg, and Y shape support top even has three bead that is Y shape and distributes, treats that the pottery of firing and the bead upper end laminating on the Y shape support.
The top surface of each supporting leg is provided with a clamping block, the bottom surface of each supporting leg is provided with a clamping groove, and the clamping grooves of the Y-shaped supports positioned above the two adjacent Y-shaped supports are clamped in the clamping blocks of the Y-shaped supports positioned below the two adjacent Y-shaped supports.
The preparation method of the energy-saving support for firing the daily ceramic is characterized by comprising the following steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 15-25% of mullite material; 5-10% of bauxite; 10-20% of calcium carbonate; 10-20% of zircon sand; 30-45% of clay; 0.1 to 0.4 percent of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, dry-mixing for 3-5 minutes, adding water, mixing for 2-3 minutes, and then putting into a mixing mill for rolling and mixing fully; the raw materials are mixed more uniformly by high-speed dry mixing, and are rolled and wet mixed, so that the aggregate is fully wrapped by powder in the raw materials, and the rolling is compact;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, and keeping warm and wet for over 24 hours in a room temperature environment to ensure the mixing uniformity of the raw materials and improve the plasticity of the raw materials;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support, performing pressing and molding according to the pressure of 200 and 250 kilograms of force per unit square centimeter, releasing gas for three times, maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried bracket blank by using a flat kiln tool to carry out high-temperature firing, wherein the center of the bracket blank is supported in the supporting process so as to deform when the bracket blank is laid down during the baking-free process, and the bracket blank is subjected to heat preservation for 4-8 hours at the temperature of 1380-1400 ℃ to finish the firing.
Particularly, the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina less than 45%, the raw material does not contain a cristobalite phase and exists in a high-silicon glass item, and the problems of expansion or cracking of the product size and the like caused by secondary mullite of a common mullite raw material in the sintering process can be solved.
In particular, the bauxite in the step a is bauxite (75 bauxite) with the alumina content of 75%, and the raw material is mainly used for increasing the alumina content in the product proportion, so that the high-temperature resistance of the product is ensured.
Particularly, the zircon sand in the step a is zircon sand with the zirconia content of more than 60%, so that the thermal shock stability and the corrosion resistance of the product are improved, and the zirconia raw material in the raw material is high, so that the raw material is purer, and the advantages of the zircon sand can be exerted.
Particularly, the calcium carbonate in the step a is calcium carbonate with the calcium oxide content of 50%, the calcium oxide content in the current market is 30-55%, and the like, the calcium carbonate is of the highest grade, so that the superior performance of the raw materials is guaranteed, the supply stability of the product of the grade is guaranteed, the production and the supply of the product of the highest grade are easy to fluctuate, the raw materials play a role in promoting sintering and improving the strength of the product in the proportion, and finally the strength of the Y-shaped supporting piece product is higher than that of a common kiln furniture (compared with the traditional shed plate supporting), so that the task of supporting the to-be-fired ceramic is realized.
In particular, the clay in step a is ball clay with 35% of alumina content, which is different from the conventional common clay and has high plasticity and bonding strength, thereby ensuring the compactness and strength of the product.
In particular, the amount of water added in step b is 10% of the weight of the prepared raw materials.
In particular, in step e, drying is carried out at room temperature for 24 hours, at 60-100 ℃ for 24 hours and at 100-150 ℃ for 24 hours.
The invention has the beneficial effects that: the Y-shaped support is provided with the supporting legs, can independently support daily-use porcelain, is light in weight, low in self heat absorption and energy consumption, uniform in heat exchange in the kiln, high in ceramic firing qualification rate, energy-saving and quick in firing, stable in loading and stacking, large in daily-use porcelain loading amount in the same space, convenient and quick in loading and unloading of workers, small in contact area, and meanwhile, the ceramic to be fired is supported by the three convex edges, and the zircon sand is contained in the Y-shaped support, can prevent the bonding of the glaze surface, reduces the bonding damage of the glaze surface, and improves the overall attractiveness of the ceramic. The ceramic piece is not easy to deform in the using process, and the ceramic piece subjected to firing is protected from deformation and damage.
Drawings
FIG. 1 is a schematic structural view of a Y-shaped support;
FIG. 2 is a schematic diagram showing a stacked structure of three Y-shaped supports;
FIG. 3 is a schematic diagram of X-ray diffraction analysis;
in the figure: 1-a Y-shaped bracket; 2-a support leg; 3-a card slot; 4-clamping blocks; 5-convex edge;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figures 1 to 3, the energy-saving support piece for sintering the domestic ceramics comprises a plurality of Y-shaped supports 1 which are stacked up and down, wherein three ends of each Y-shaped support 1 are connected with vertical supporting legs 2, the top surfaces of the Y-shaped supports 1 are connected with three convex ribs 5 which are distributed in a Y shape, and the ceramics to be sintered are attached to the upper ends of the convex ribs 5 on the Y-shaped supports 1.
The top surface of each supporting leg 2 is provided with a clamping block 4, the bottom surface of each supporting leg 2 is provided with a clamping groove 3, and the clamping grooves 3 of the Y-shaped supports 1 positioned above the two adjacent Y-shaped supports 1 are clamped in the clamping blocks 4 of the Y-shaped supports 1 positioned below the two adjacent Y-shaped supports 1.
The preparation method of the energy-saving support for firing the daily ceramic is characterized by comprising the following steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 15-25% of mullite material; 5-10% of bauxite; 10-20% of calcium carbonate; 10-20% of zircon sand; 30-45% of clay; 0.1 to 0.4 percent of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, performing dry mixing for 3-5 minutes, adding water into the dry-mixed raw materials, mixing for 2-3 minutes, and then putting the mixture into a mixing mill for rolling and fully mixing; the raw materials are mixed more uniformly by high-speed dry mixing, and are rolled and wet mixed, so that the aggregate is fully wrapped by powder in the raw materials, and the rolling is compact;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, and keeping warm and wet for over 24 hours in a room temperature environment to ensure the mixing uniformity of the raw materials and improve the plasticity of the raw materials;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support 1, performing pressing and molding according to the pressure of 200 and 250 kilograms of force per unit square centimeter, releasing gas for three times, maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried bracket blank by using a flat kiln tool to carry out high-temperature firing, wherein the center of the bracket blank is supported in the supporting process so as to deform when the bracket blank is laid down during the baking-free process, and the bracket blank is subjected to heat preservation for 4-8 hours at the temperature of 1380-1400 ℃ to finish the firing.
Particularly, the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina less than 45%, the raw material does not contain a cristobalite phase and exists in a high-silicon glass item, and the problems of expansion or cracking of the product size and the like caused by secondary mullite of a common mullite raw material in the sintering process can be solved.
In particular, the bauxite in the step a is bauxite (75 bauxite) with the alumina content of 75%, and the raw material is mainly used for increasing the alumina content in the product proportion, so that the high-temperature resistance of the product is ensured.
Particularly, the zircon sand in the step a is zircon sand with the zirconia content of more than 60%, so that the thermal shock stability and the corrosion resistance of the product are improved, and the zirconia raw material in the raw material is high, so that the raw material is purer, and the advantages of the zircon sand can be exerted.
Particularly, the calcium carbonate in the step a is calcium carbonate with the calcium oxide content of 50%, the calcium oxide content in the current market is 30-55%, and the like, the calcium carbonate is of the highest grade, so that the superior performance of the raw materials is guaranteed, the supply stability of the product of the grade is guaranteed, the production and the supply of the product of the highest grade are easy to fluctuate, the raw materials play a role in promoting sintering and improving the strength of the product in the proportion, and finally the strength of the Y-shaped supporting piece product is higher than that of a common kiln furniture (compared with the traditional shed plate supporting), so that the task of supporting the to-be-fired ceramic is realized.
In particular, the clay in step a is ball clay with 35% of alumina content, which is different from the conventional common clay and has high plasticity and bonding strength, thereby ensuring the compactness and strength of the product.
In particular, the amount of water added in step b is 10% of the weight of the prepared raw materials.
In particular, in step e, drying is carried out at room temperature for 24 hours, at 60-100 ℃ for 24 hours and at 100-150 ℃ for 24 hours.
The X-ray diffraction analysis chart of the invention is shown in figure 3, and the components of the manufactured Y-shaped bracket 1 comprise the following components in percentage by weight: 20-30% of aluminum oxide, 35-45% of silicon dioxide, 5-10% of calcium oxide, 8-15% of zirconium oxide, 0.8-1.5% of ferric oxide, 0.8-1.5% of potassium oxide, 0.7-1.3% of titanium oxide and high material strength of the Y-shaped support 1, wherein the Y-shaped support is not easy to deform in the using process, a fired ceramic part is protected from deformation and damage, and the glaze surface fired by ceramic glaze can be well prevented from bonding due to the fact that the material contains a zircon sand raw material. The product detection analysis test indexes are shown in the following table:
anorthite in the table is a product formed by a firing reaction of raw materials containing calcium, silicon and aluminum, and zircon is zircon sand introduced before firing.
Example 1
As shown in figures 1 to 3, the energy-saving support piece for sintering the domestic ceramics comprises a plurality of Y-shaped supports 1 which are stacked up and down, wherein three ends of each Y-shaped support 1 are connected with vertical supporting legs 2, the top surfaces of the Y-shaped supports 1 are connected with three convex ribs 5 which are distributed in a Y shape, and the ceramics to be sintered are attached to the upper ends of the convex ribs 5 on the Y-shaped supports 1.
The top surface of each supporting leg 2 is provided with a clamping block 4, the bottom surface of each supporting leg 2 is provided with a clamping groove 3, and the clamping grooves 3 of the Y-shaped supports 1 positioned above the two adjacent Y-shaped supports 1 are clamped in the clamping blocks 4 of the Y-shaped supports 1 positioned below the two adjacent Y-shaped supports 1.
The preparation method of the energy-saving support for firing the daily ceramic is characterized by comprising the following steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 15% of mullite material; 9.9 percent of bauxite; 10% of calcium carbonate; 20% of zircon sand; 45% of clay; 0.1% of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, performing dry mixing for 3 minutes, adding water into the dry-mixed raw materials, mixing for 2 minutes, and then putting the mixture into a mixing mill for rolling and fully mixing; the raw materials are mixed more uniformly by high-speed dry mixing, and are rolled and wet mixed, so that the aggregate is fully wrapped by powder in the raw materials, and the rolling is compact;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, ageing the raw materials for 24 hours in a heat-preserving and moisture-preserving manner under a room temperature environment, ensuring the mixing uniformity of the raw materials and improving the plasticity of the raw materials;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support 1, performing pressing and molding according to the pressure of 200 kilograms per unit square centimeter, firstly releasing gas for three times, then maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried bracket blank by using a flat kiln tool to perform high-temperature firing, supporting the center of the bracket blank in the supporting process so as to deform the lower bed in the baking-free process, and preserving heat for 4 hours at the temperature of 1380 ℃ to finish the firing.
In particular, the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina of less than 45 percent.
In particular, the bauxite in step a is bauxite with an alumina content of 75% (75 bauxite).
Particularly, the zircon sand in the step a is zircon sand with the zirconia content of more than 60 percent.
In particular, the calcium carbonate in step a is calcium carbonate having a calcium oxide content of 50%.
In particular, the clay in step a is ball clay with an alumina content of 35%.
In particular, the amount of water added in step b is 10% of the weight of the prepared raw materials.
In particular, in step e, drying is carried out at room temperature for 24 hours, at 60 ℃ for 24 hours and at 100 ℃ for 24 hours.
Example 2
As shown in figures 1 to 3, the energy-saving support piece for sintering the domestic ceramics comprises a plurality of Y-shaped supports 1 which are stacked up and down, wherein three ends of each Y-shaped support 1 are connected with vertical supporting legs 2, the top surfaces of the Y-shaped supports 1 are connected with three convex ribs 5 which are distributed in a Y shape, and the ceramics to be sintered are attached to the upper ends of the convex ribs 5 on the Y-shaped supports 1.
The top surface of each supporting leg 2 is provided with a clamping block 4, the bottom surface of each supporting leg 2 is provided with a clamping groove 3, and the clamping grooves 3 of the Y-shaped supports 1 positioned above the two adjacent Y-shaped supports 1 are clamped in the clamping blocks 4 of the Y-shaped supports 1 positioned below the two adjacent Y-shaped supports 1.
The preparation method of the energy-saving support for firing the daily ceramic is characterized by comprising the following steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 25% of mullite material; 10 percent of bauxite; 20% of calcium carbonate; 14.6 percent of zircon sand; 30% of clay; 0.4 percent of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, performing dry mixing for 5 minutes, adding water into the dry-mixed raw materials, mixing for 3 minutes, and then putting the mixture into a mixing mill for rolling and fully mixing; the raw materials are mixed more uniformly by high-speed dry mixing, and are rolled and wet mixed, so that the aggregate is fully wrapped by powder in the raw materials, and the rolling is compact;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, preserving heat and preserving moisture for 48 hours in a room temperature environment, ensuring the mixing uniformity of the raw materials and improving the plasticity of the raw materials;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support 1, performing pressing and molding according to the pressure of 250 kilograms force per unit square centimeter, firstly releasing gas for three times, then maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried support blank by using a flat kiln tool to perform high-temperature firing, supporting the center of the support blank in the supporting process so as to deform the lower bed in the baking-free process, and preserving heat for 8 hours at the temperature of 1400 ℃ to finish the firing.
In particular, the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina of less than 45 percent.
In particular, the bauxite in step a is bauxite with an alumina content of 75% (75 bauxite).
Particularly, the zircon sand in the step a is zircon sand with the zirconia content of more than 60 percent.
In particular, the calcium carbonate in step a is calcium carbonate having a calcium oxide content of 50%.
In particular, the clay in step a is ball clay with an alumina content of 35%.
In particular, the amount of water added in step b is 10% of the weight of the prepared raw materials.
In particular, in step e, drying is carried out at room temperature for 24 hours, at 100 ℃ for 24 hours and at 150 ℃ for 24 hours.
Example 3
As shown in figures 1 to 3, the energy-saving support piece for sintering the domestic ceramics comprises a plurality of Y-shaped supports 1 which are stacked up and down, wherein three ends of each Y-shaped support 1 are connected with vertical supporting legs 2, the top surfaces of the Y-shaped supports 1 are connected with three convex ribs 5 which are distributed in a Y shape, and the ceramics to be sintered are attached to the upper ends of the convex ribs 5 on the Y-shaped supports 1.
The top surface of each supporting leg 2 is provided with a clamping block 4, the bottom surface of each supporting leg 2 is provided with a clamping groove 3, and the clamping grooves 3 of the Y-shaped supports 1 positioned above the two adjacent Y-shaped supports 1 are clamped in the clamping blocks 4 of the Y-shaped supports 1 positioned below the two adjacent Y-shaped supports 1.
The preparation method of the energy-saving support for firing the daily ceramic is characterized by comprising the following steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 24% of mullite material; 5 percent of bauxite; 18% of calcium carbonate; 10% of zircon sand; 42.7% of clay; 0.3 percent of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, performing dry mixing for 4 minutes, adding water into the dry-mixed raw materials, mixing for 2.5 minutes, and then putting the mixture into a mixing mill for rolling and fully mixing; the raw materials are mixed more uniformly by high-speed dry mixing, and are rolled and wet mixed, so that the aggregate is fully wrapped by powder in the raw materials, and the rolling is compact;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, preserving heat and preserving moisture for 36 hours in a room temperature environment, ensuring the mixing uniformity of the raw materials and improving the plasticity of the raw materials;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support 1, performing pressing and molding according to the pressure of 230 kilograms force per unit square centimeter, firstly releasing gas for three times, then maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried bracket blank by using a flat kiln tool to carry out high-temperature firing, supporting the center of the bracket blank in the supporting process so as to deform the lower bed in the baking-free process, and keeping the temperature at 1390 ℃ for 5 hours to finish the firing.
In particular, the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina of less than 45 percent.
In particular, the bauxite in step a is bauxite with an alumina content of 75% (75 bauxite).
Particularly, the zircon sand in the step a is zircon sand with the zirconia content of more than 60 percent.
In particular, the calcium carbonate in step a is calcium carbonate having a calcium oxide content of 50%.
In particular, the clay in step a is ball clay with an alumina content of 35%.
In particular, the amount of water added in step b is 10% of the weight of the prepared raw materials.
In particular, in step e, drying is carried out at room temperature for 24 hours, at 80 ℃ for 24 hours and at 120 ℃ for 24 hours.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.
Claims (10)
1. The utility model provides a ceramic for daily use burns and uses energy-saving support piece, its characterized in that includes a plurality of Y shape support (1) that stack together from top to bottom, and the three-end of Y shape support (1) all links there is vertical landing leg (2), and Y shape support (1) top surface even has three bead (5) that are Y shape and distribute, and the pottery of waiting to fire is laminated with bead (5) upper end on Y shape support (1).
2. The energy-saving supporting member for daily ceramic firing according to claim 1, wherein the top surface of the supporting leg (2) is provided with a clamping block (4), the bottom surface of the supporting leg (2) is provided with a clamping groove (3), and the clamping groove (3) of the upper Y-shaped bracket (1) in two adjacent Y-shaped brackets (1) is clamped in the clamping block (4) of the lower Y-shaped bracket (1).
3. A method for preparing an energy-saving supporter for daily ceramic firing according to claim 1 or 2, comprising the steps of:
a preparation of raw materials
The raw materials comprise the following components in percentage by weight: 15-25% of mullite material; 5-10% of bauxite; 10-20% of calcium carbonate; 10-20% of zircon sand; 30-45% of clay; 0.1 to 0.4 percent of yellow dextrin;
b mixing and rolling
B, putting all the raw materials prepared in the step a into a high-speed mixer, dry-mixing for 3-5 minutes, adding water, mixing for 2-3 minutes, and then putting into a mixing mill for rolling and mixing fully;
c trapping material
B, placing the raw materials mixed and rolled in the step b into a container, sealing, and ageing the raw materials in a heat-preserving and moisture-preserving manner for more than 24 hours in a room-temperature environment;
d making a support blank
Pressing and molding the stranded raw materials by using a hydraulic machine, putting the raw materials into a mold frame of a Y-shaped support (1), pressing and molding the raw materials according to the pressure of 200 and 250 kilograms of force per unit square centimeter, firstly releasing gas for three times, then maintaining the pressure for 1 minute, and demolding to obtain a support blank;
e drying
Drying the support blank;
f firing
And (3) supporting the dried bracket blank by using a flat kiln tool to carry out high-temperature firing, wherein the center of the bracket blank is supported in the supporting process, and the bracket blank is subjected to heat preservation for 4-8 hours at the temperature of 1380-1400 ℃ to finish the firing.
4. The method for preparing the energy-saving supporting piece for firing the domestic ceramics as claimed in claim 3, wherein the mullite material in the step a is a low-aluminum mullite material with the synthesized alumina less than 45%.
5. The method for preparing an energy-saving supporter for firing domestic ceramics according to claim 3, wherein the bauxite in the step a is bauxite with an alumina content of 75%.
6. The method for manufacturing an energy-saving supporter for firing domestic ceramics according to claim 3, wherein the zircon sand in the step a is zircon sand having a zirconia content of 60% or more.
7. The method for preparing an energy-saving supporter for firing daily use ceramic according to claim 3, wherein the calcium carbonate in the step a is calcium carbonate having a calcium oxide content of 50%.
8. The method for preparing an energy-saving supporter for firing domestic ceramics as claimed in claim 3, wherein the clay in step a is ball clay having an alumina content of 35%.
9. The method for preparing an energy-saving supporter for firing daily use ceramics according to claim 3, wherein the amount of water added in step b is 10% of the weight of the prepared raw materials.
10. The method as claimed in claim 3, wherein the step e comprises drying at room temperature for 24 hours, drying at 60-100 ℃ for 24 hours, and drying at 100-150 ℃ for 24 hours.
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