CN111470754B - Method for calendering and coloring microcrystalline glass and product processing technology thereof - Google Patents

Method for calendering and coloring microcrystalline glass and product processing technology thereof Download PDF

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CN111470754B
CN111470754B CN202010275250.1A CN202010275250A CN111470754B CN 111470754 B CN111470754 B CN 111470754B CN 202010275250 A CN202010275250 A CN 202010275250A CN 111470754 B CN111470754 B CN 111470754B
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microcrystalline glass
glaze
coloring
glass
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CN111470754A (en
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谢屹
陈左娴
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Huizhou Caiyu Microcrystalline New Material Co ltd
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Huizhou Caiyu Microcrystalline New Material Co ltd
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B1/00Preparing the batches
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B13/00Rolling molten glass, i.e. where the molten glass is shaped by rolling
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00Annealing glass products
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C03B32/02Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/02Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/006Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/10Deposition methods
    • C03C2218/11Deposition methods from solutions or suspensions
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/10Deposition methods
    • C03C2218/11Deposition methods from solutions or suspensions
    • C03C2218/112Deposition methods from solutions or suspensions by spraying
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)

Abstract

The invention relates to a method for calendering and coloring microcrystalline glass, which is implemented according to the following steps: step 1, preparing a plurality of raw materials according to a set proportion; step 2, uniformly mixing a plurality of raw materials to obtain a microcrystalline glass mixture; step 3, conveying the mixture to a melting furnace, and melting at 1450-1550 ℃ to obtain microcrystalline glass liquid; step 4, calendering and molding into an uncrystallized microcrystalline glass continuous plate; step 5, directly spraying glaze or digitally spraying glaze on the surface of the uncrystallized microcrystalline glass continuous plate at the rolling opening; step 6, gradually heating the mixture to 840-860 ℃ in a crystallization roller kiln, and carrying out constant-temperature crystallization treatment; step 7, annealing; and 8, cooling and discharging. Compared with the existing sintering coloring method, the method saves the steps of water quenching, water quenching material drying, water quenching material grinding, water quenching material glaze powder adding secondary mixing, mold filling and polishing processing, shortens the production time and improves the production efficiency. The pollution of the smelting furnace and the working pool is avoided, and the smelting furnace and the working pool are greatly protected.

Description

Method for calendering and coloring microcrystalline glass and product processing technology thereof
Technical Field
The invention relates to the field of microcrystalline glass manufacturing, in particular to a method for calendering and coloring microcrystalline glass and a product processing technology thereof.
Background
The microcrystalline glass is also called as ceramic glass, has the characteristics of both glass and ceramic, and has higher brightness and higher toughness than the ceramic. The glass ceramics integrates the triple advantages of glass, ceramics and natural stone, is superior to the natural stone and the ceramics, can be used for building curtain walls and indoor high-grade decoration, and becomes an ideal substitute product of high-grade stone.
The existing microcrystalline glass processing technology has the following defects:
(1) the sintering coloring method comprises the procedures of material preparation, mixing, melting, water quenching to form water quenching material, drying of the water quenching material, grinding of the water quenching material, secondary mixing of the water quenching material and glaze powder, mold filling, crystallization annealing, thermal cutting, polishing, bridge cutting and the like, and has complex processing links and low working efficiency;
(2) the full-melting coloring method has the advantages that because the microcrystalline glass is melted at the high temperature of 1450-1550 ℃, the coloring agent is very limited in selection, the melting furnace is easy to pollute, a large plate which is melted, homogenized and calendered by the melting furnace is of a single pure color, and once a problem occurs, the loss is very large;
(3) the porcelain surface coloring method is to spray glaze or 3D ink jet (also called digital glaze spraying) on the cut finished product in a cold state, raise the temperature to about 800 ℃ again, anneal and cool the finished product.
In order to solve the problems, the invention provides a method for calendering and coloring microcrystalline glass and a product processing technology thereof.
Disclosure of Invention
The invention aims to solve the problems that the existing microcrystalline glass processing technology has complex processing link of a sintering coloring method, low working efficiency, limited colorant selection of a full-melting coloring method, easy pollution of a melting furnace and high loss risk, and the ceramic surface coloring method sprays glaze or 3D ink in a cold state, re-heats to 800 ℃ and greatly increases the processing time cost. The concrete solution is as follows:
the method for calendering and coloring the microcrystalline glass comprises the following steps:
step 1, preparing materials, and preparing a plurality of raw materials according to a set proportion;
step 2, mixing materials, namely uniformly mixing a plurality of raw materials to obtain a microcrystalline glass mixture;
step 3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, and clarifying and homogenizing to obtain the microcrystalline glass liquid with the specific components;
step 4, rolling and molding, wherein the microcrystalline glass liquid is rolled and molded to form an uncrystallized microcrystalline glass continuous plate;
step 5, coloring, namely directly spraying glaze or digitally spraying glaze on the surface of the uncrystallized microcrystalline glass continuous plate at the rolling opening to form a surface glaze layer;
step 6, crystallizing, namely, gradually heating to 840-860 ℃ in a crystallization roller kiln, and crystallizing at constant temperature;
step 7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step 8, cooling and discharging, and cooling and discharging the microcrystalline glass finished product;
step 9, bridge cutting, namely cutting the finished glass ceramics according to the specification requirement of the product;
step 10, inspecting, namely inspecting the performance of the product;
step 11, warehousing products, namely warehousing qualified products;
the product is a microcrystalline color plate.
Further, the raw material is any one or more of quartz sand, feldspar, calcite, barite, dolomite, fluorite, soda ash, potassium carbonate or cerium oxide.
Further, the temperature rise time in the step 6 is 3.5 to 6 hours.
Further, the constant temperature time in the step 6 is 60-120 minutes.
Furthermore, in the coloring process in the step 5, the temperature of the continuous plate of the uncrystallized microcrystalline glass is controlled to be 600 ℃, so that the performance of the plate is not influenced during glaze spraying or digital glaze spraying.
Further, the method for controlling the temperature of the continuous plate of the uncrystallized microcrystalline glass comprises the steps of controlling the temperature of the microcrystalline glass plate by adjusting the water amount in the upper roller and the lower roller of the calendering and controlling the flow rate and the flow of the water tank, increasing the temperature of the glass liquid by adjusting the molybdenum electrode current of the working pool, and adding heat preservation lamps and heat preservation cotton on two sides of the microcrystalline glass plate.
Furthermore, the thickness of the glaze layer is 0.01-0.03 mm.
Furthermore, the glaze has a melting point of 780-800 ℃, and different colors are added into the glaze powder, so that the glass ceramic plates with different colors can be prepared.
A microcrystalline color plate processing technology based on the microcrystalline glass calendering and coloring method is carried out according to the following steps:
step 1, preparing materials, and weighing the raw materials according to a set proportion;
step 2, mixing materials, namely uniformly mixing the raw materials to obtain a microcrystalline glass mixture;
step 3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, clarifying and homogenizing to obtain microcrystalline glass liquid;
step 4, rolling and forming to obtain an uncrystallized microcrystalline glass continuous plate;
step 5, coloring, namely preparing glaze, namely grinding 100g of glaze powder, 40-50 g of water and 15-20 g of brightening agent into particle-free micro-thick fluid glaze; uniformly and thinly coating the prepared glaze on the microcrystalline glass continuous plate by using glazing equipment;
step 6, crystallizing, namely, entering a crystallization roller kiln, gradually heating to 840-860 ℃ after 3.5-6 hours, and carrying out crystallization treatment at constant temperature for 60-120 minutes;
step 7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step 8, cooling and discharging, and cooling and discharging the microcrystalline glass finished product;
step 9, bridge cutting, namely cutting the finished glass ceramics according to the specification requirement of the product;
step 10, inspecting, namely inspecting the performance of the product;
and 11, warehousing the product, and warehousing the qualified product.
Further, the glazing equipment is one of glaze spraying equipment or digital glaze spraying equipment.
In summary, the technical scheme of the invention has the following beneficial effects:
the scheme solves the problems that the existing microcrystalline glass processing technology has complex processing links by a sintering coloring method, low working efficiency, limited colorant selection by a full-melting coloring method, easy pollution of a smelting furnace and high loss risk, and the porcelain surface coloring method is used for pouring glaze or 3D ink under a cold state, raising the temperature to 800 ℃ again and greatly increasing the processing time cost. Compared with the existing sintering coloring method, the method saves the processing links of water quenching, water quenching material drying, water quenching material grinding, water quenching material glaze powder adding secondary mixing, mold filling and polishing, shortens the production time, improves the production efficiency, does not need a mold, and reduces the production cost. This scheme is through calendering after the water tank, and it colors to advance before the crystallization annealing kiln, does not influence microcrystalline glass's normal production and microcrystalline glass's characteristic, and the tone texture of coloring becomes the variety, has avoided the pollution of smelting pot and working pool, has greatly protected smelting pot and working pool. The scheme is integrated continuous production, the microcrystal color plate produced by the glaze spraying equipment has high glossiness and high flatness, and the microcrystal color plate produced by the digital glaze spraying equipment is not easy to fade and is wear-resistant. If different colors are added into the glaze powder, the microcrystal color plates with different colors can be prepared.
The digital glaze spraying can greatly improve the efficiency, improve the quality of products and increase the added value of the products. The cost advantage of the digital glaze spraying is more obvious, and ordinary glaze spraying wastes a lot of glaze on the line body, and it still needs a belt cleaning device, and digital glaze spraying is spraying as required, very environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a flow chart of a method for calendering and coloring glass ceramics according to the present invention;
FIG. 2 is a diagram of a microcrystalline color panel produced by the glaze pouring apparatus of the present invention;
fig. 3 is a diagram of a microcrystalline color plate product manufactured by the digital glaze spraying equipment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a method for calendering and coloring microcrystalline glass is performed according to the following steps:
step S1, preparing materials, and preparing a plurality of raw materials according to a set proportion;
step S2, mixing materials, namely uniformly mixing a plurality of raw materials to obtain a microcrystalline glass mixture;
step S3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, clarifying and homogenizing to obtain the microcrystalline glass liquid with specific components;
step S4, rolling and molding, wherein the microcrystalline glass liquid is rolled and molded to form an uncrystallized microcrystalline glass continuous plate;
step S5, coloring, and directly spraying glaze or digitally spraying glaze on the surface of the uncrystallized microcrystalline glass continuous plate at the rolling opening to form a surface glaze layer;
step S6, crystallization, namely, entering a crystallization roller kiln to gradually increase the temperature to 840-860 ℃, and carrying out constant temperature crystallization treatment; the temperature rise time is 3.5-6 hours, and the constant temperature time is 60-120 minutes.
Step S7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step S8, cooling and discharging the microcrystalline glass finished product;
step S9, bridge cutting, namely cutting the microcrystalline glass finished product according to the specification requirement of the product;
step S10, checking, and performing performance check on the product;
step S11, warehousing the product, and warehousing the qualified product;
the product is a microcrystalline color plate with the specification of 1800 mm wide 3060 mm long 18 mm thick.
Further, the raw material is any one or more of quartz sand, feldspar, calcite, barite, dolomite, fluorite, soda ash, potassium carbonate or cerium oxide.
Furthermore, in the coloring process, the temperature of the continuous plate of the uncrystallized microcrystalline glass is controlled to be 600 ℃, so that the performance of the plate is not influenced during glaze spraying or digital glaze spraying. The method for controlling the temperature of the continuous plate of the uncrystallized microcrystalline glass comprises the following steps: on one hand, the temperature of the microcrystalline glass plate is controlled by adjusting the water amount in the upper and lower rollers of the rolling and controlling the flow speed and the flow of the water tank, on the other hand, the temperature of the glass liquid is increased by adjusting the current of the molybdenum electrode of the working pool, and heat preservation lamps and heat preservation cotton are arranged on two sides of the microcrystalline glass plate.
Furthermore, the thickness of the glaze layer is 0.01-0.03 mm.
Furthermore, the glaze has a melting point of 780-800 ℃, and different colors are added into the glaze powder, so that the glass ceramic plates with different colors can be prepared.
A microcrystalline color plate processing technology based on the microcrystalline glass calendering and coloring method is carried out according to the following steps:
step S1, preparing materials, weighing raw materials according to a set proportion (which indicates that the microcrystalline color plates made of different materials are different in raw materials);
step S2, mixing materials, namely uniformly mixing the raw materials to obtain a microcrystalline glass mixture;
step S3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, clarifying and homogenizing to obtain microcrystalline glass liquid;
step S4, rolling and forming to obtain an uncrystallized microcrystalline glass continuous plate;
step S5, coloring, namely, preparing glaze, namely taking 100g of glaze powder, 40-50 g of water and 15-20 g of brightening agent, and grinding into the glaze without particle micro-thick fluid; uniformly and thinly coating the prepared glaze on the microcrystalline glass continuous plate by using glazing equipment;
step S6, crystallizing, namely, entering a crystallization roller kiln, gradually heating to 840-860 ℃ after 3.5-6 hours, and carrying out crystallization treatment at constant temperature for 60-120 minutes;
step S7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step S8, cooling and discharging the microcrystalline glass finished product;
step S9, bridge cutting, namely cutting the microcrystalline glass finished product according to the specification requirement of the product;
step S10, checking, and performing performance check on the product;
and step S11, warehousing the product, and warehousing the qualified product.
Further, the glazing equipment is one of glaze spraying equipment or digital glaze spraying equipment.
As shown in fig. 2, a diagram of a microcrystalline color plate product manufactured by the glaze pouring equipment.
As shown in fig. 3, a diagram of a microcrystalline color plate product manufactured by a digital glaze spraying device.
The microcrystalline color board listed in the embodiment of the present invention may be configured and produced according to the requirements of the customer order (generally, selected according to the place and purpose of the product application).
In summary, the technical scheme of the invention has the following beneficial effects:
the scheme solves the problems that the existing microcrystalline glass processing technology has complex processing links by a sintering coloring method, low working efficiency, limited colorant selection by a full-melting coloring method, easy pollution of a smelting furnace and high loss risk, and the porcelain surface coloring method is used for pouring glaze or 3D ink under a cold state, raising the temperature to 800 ℃ again and greatly increasing the processing time cost. Compared with the existing sintering coloring method, the method saves the processing links of water quenching, water quenching material drying, water quenching material grinding, water quenching material glaze powder adding secondary mixing, mold filling and polishing, shortens the production time, improves the production efficiency, does not need a mold, and reduces the production cost. This scheme is through calendering after the water tank, and it colors to advance before the crystallization annealing kiln, does not influence microcrystalline glass's normal production and microcrystalline glass's characteristic, and the tone texture of coloring becomes the variety, has avoided the pollution of smelting pot and working pool, has greatly protected smelting pot and working pool. The scheme is integrated continuous production, the microcrystal color plate produced by the glaze spraying equipment has high glossiness and high flatness, and the microcrystal color plate produced by the digital glaze spraying equipment is not easy to fade and is wear-resistant. If different colors are added into the glaze powder, the microcrystal color plates with different colors can be prepared.
The digital glaze spraying can greatly improve the efficiency, improve the quality of products and increase the added value of the products. The cost advantage of the digital glaze spraying is more obvious, and ordinary glaze spraying wastes a lot of glaze on the line body, and it still needs a belt cleaning device, and digital glaze spraying is spraying as required, very environmental protection.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims (10)

1. The method for calendering and coloring the microcrystalline glass is characterized by comprising the following steps of:
step 1, preparing materials, and preparing a plurality of raw materials according to a set proportion;
step 2, mixing materials, namely uniformly mixing a plurality of raw materials to obtain a microcrystalline glass mixture;
step 3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, and clarifying and homogenizing to obtain the microcrystalline glass liquid with the specific components;
step 4, rolling and molding, wherein the microcrystalline glass liquid is rolled and molded to form an uncrystallized microcrystalline glass continuous plate;
step 5, coloring, namely directly spraying glaze or digitally spraying glaze on the surface of the uncrystallized microcrystalline glass continuous plate at the rolling opening to form a surface glaze layer;
step 6, crystallizing, namely, gradually heating to 840-860 ℃ in a crystallization roller kiln, and crystallizing at constant temperature;
step 7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step 8, cooling and discharging, and cooling and discharging the microcrystalline glass finished product;
step 9, bridge cutting, namely cutting the finished glass ceramics according to the specification requirement of the product;
step 10, inspecting, namely inspecting the performance of the product;
step 11, warehousing products, namely warehousing qualified products;
the product is a microcrystalline color plate.
2. The method for calendering and coloring the microcrystalline glass as claimed in claim 1, wherein: the raw material is one or more of quartz sand, feldspar, calcite, barite, dolomite, fluorite, soda ash, potassium carbonate and cerium oxide.
3. The method for calendering and coloring the microcrystalline glass as claimed in claim 1, wherein: the temperature rise time in the step 6 is 3.5-6 hours.
4. The method for calendering and coloring microcrystalline glass according to claim 3, wherein: the constant temperature time in the step 6 is 60-120 minutes.
5. The method for calendering and coloring the microcrystalline glass as claimed in claim 1, wherein: in the step 5, in the coloring process, the temperature of the continuous plate of the uncrystallized microcrystalline glass is controlled to be 600 ℃, so that the performance of the plate is not influenced during glaze spraying or digital glaze spraying.
6. The method for calendering and coloring the microcrystalline glass as claimed in claim 5, wherein: the method for controlling the temperature of the continuous plate of the uncrystallized microcrystalline glass comprises the steps of controlling the temperature of the microcrystalline glass plate by adjusting the water amount in upper and lower rollers of a rolling mill and controlling the flow speed and the flow of a water tank, increasing the temperature of the glass liquid by adjusting the current of a molybdenum electrode in a working pool, and adding heat preservation lamps and heat preservation cotton on two sides of the microcrystalline glass plate.
7. The method for calendering and coloring the microcrystalline glass as claimed in claim 1, wherein: the thickness of the glaze layer is 0.01-0.03 mm.
8. The method for calendering and coloring the microcrystalline glass as claimed in claim 1, wherein: the melting point of the glaze is 780-800 ℃, and different colors are added into the glaze powder to prepare the glass-ceramic plates with different colors.
9. The microcrystalline color plate processing technology based on the microcrystalline glass calendering and coloring method of claim 1 is characterized by comprising the following steps:
step 1, preparing materials, and weighing the raw materials according to a set proportion;
step 2, mixing materials, namely uniformly mixing the raw materials to obtain a microcrystalline glass mixture;
step 3, melting the melting furnace, conveying the mixture to the melting furnace, melting at 1450-1550 ℃, clarifying and homogenizing to obtain microcrystalline glass liquid;
step 4, rolling and forming to obtain an uncrystallized microcrystalline glass continuous plate;
step 5, coloring, namely preparing glaze, namely grinding 100g of glaze powder, 40-50 g of water and 15-20 g of brightening agent into particle-free micro-thick fluid glaze; uniformly and thinly coating the prepared glaze on the microcrystalline glass continuous plate by using glazing equipment;
step 6, crystallizing, namely, entering a crystallization roller kiln, gradually heating to 840-860 ℃ after 3.5-6 hours, and carrying out crystallization treatment at constant temperature for 60-120 minutes;
step 7, annealing, namely annealing the crystallized glass ceramics according to a glass annealing system;
step 8, cooling and discharging, and cooling and discharging the microcrystalline glass finished product;
step 9, bridge cutting, namely cutting the finished glass ceramics according to the specification requirement of the product;
step 10, inspecting, namely inspecting the performance of the product;
and 11, warehousing the product, and warehousing the qualified product.
10. The process of claim 9, wherein: in step 5, the glazing equipment is one of glaze spraying equipment or digital glaze spraying equipment.
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CN103466957A (en) * 2010-03-18 2013-12-25 杨德宁 Enameled sheet glass, and preparation method and composite board thereof
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