CN110092586A - A kind of light stone and preparation method thereof based on large Industrial Solid Waste - Google Patents

A kind of light stone and preparation method thereof based on large Industrial Solid Waste Download PDF

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Publication number
CN110092586A
CN110092586A CN201910436059.8A CN201910436059A CN110092586A CN 110092586 A CN110092586 A CN 110092586A CN 201910436059 A CN201910436059 A CN 201910436059A CN 110092586 A CN110092586 A CN 110092586A
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powder
basic powder
preparation
solid waste
industrial solid
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杨合
班劭璞
马明龙
梁宗宇
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Northeastern University China
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Northeastern University China
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/08—Other methods of shaping glass by foaming
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal 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
    • C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/002—Use of waste materials, e.g. slags
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
    • C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)

Abstract

The preparation method of light stone based on large Industrial Solid Waste, comprising: S1, Industrial Solid Waste grind away is mixed, obtains basic powder, basic powder contains 48%~60%SiO2, 9%~18%CaO, 5%~8%Na2O and 3%~15%Al2O3.S2, basic powder is weighed as the basic powder of devitrified glass and carries out that heat preservation is melted, then water quenching obtains glass frit after taking out drying.S3, basic powder is weighed as the basic powder of foamed material, add foaming agent, obtain base's powder after mixing.Base's powder is pressed together on glass frit top by S4, the bottom that glass frit is located to high temperature resistant type chamber, and biscuit is made.S5, drying biscuit, are then transferred in high temperature furnace and successively carry out coring and crystallization, annealed acquisition light stone.Yield rate is improved, simple process, process are short, and environmentally protective, at low cost.A kind of light stone of above method preparation is also provided, intensity is high, wearability is good, water absorption rate is low, and performance is stablized, and it is not easy to break to fall off, it is at low cost.

Description

A kind of light stone and preparation method thereof based on large Industrial Solid Waste
Technical field
The invention belongs to comprehensive utilizations of resources and technical field of material, more particularly to one kind to be based on large Industrial Solid Waste Light stone and preparation method thereof.
Background technique
Light stone is a kind of good ornament materials risen in recent years, generally includes trilaminate material, first layer is To the devitrified glass decorated, the second layer is adhesive layer, and third layer is foamed material, and first layer and third layer pass through second layer knot It is combined；There is many advantages, such as color is mild, pure color, pattern is adjustable, water absorption rate is low, intensity is high, wear-resisting property is good, It is current fast-selling external wall and house decorative material.
In the production process of existing light stone, not due to the coefficient of expansion of the first layer material and third layer material Match, easily lead to light stone fracture, yield rate is low, causes the market price of current light stone high, while also influencing Light stone manufacturer scale operation.
Epigranular, the stable components of the waste materials such as blast furnace slag, flyash, iron tailings, cyanidation tailings, chloride residue.In recent years Come, many researchers are engaged in the comprehensive utilization work of the waste materials such as blast furnace slag, flyash, iron tailings, cyanidation tailings, chloride residue Make.Since blast furnace slag, flyash, iron tailings, cyanidation tailings, chloride residue etc. are mainly silica, belong to poor material, currently with Get up also relatively difficult, and utility value is little.
Therefore, a kind of light stone and preparation method thereof based on large Industrial Solid Waste is needed.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of light stone based on large Industrial Solid Waste Preparation method improves yield rate, and simple process, process are short, and environmentally protective, at low cost.The present invention also provides a kind of bases In the light stone of large Industrial Solid Waste, intensity is high, wear-resisting property is good, water absorption rate is low, and material property is stablized, not easy to break, It falls off, it is at low cost.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of preparation method of the light stone based on large Industrial Solid Waste, comprising the following steps:
Step S1, it prepares basic powder: Industrial Solid Waste grind away is mixed, obtain basic powder, contain basic powder 48%~60%SiO2, 9%~18%CaO, 5%~8%Na2O and 3%~15%Al2O3。
Step S2, it prepares glass frit: taking a certain amount of basic powder as the basic powder of devitrified glass, to devitrified glass It is carried out that heat preservation is melted with basic powder, then water quenching obtains glass frit after taking out drying.
Step S3, it prepares base's powder: taking a certain amount of basic powder as the basic powder of foamed material, addition foaming Agent obtains base's powder after mixing.
Step S4, it prepares biscuit: glass frit is located to the bottom of a high temperature resistant type chamber, base's powder is pressed together on glass Biscuit is made in the top of frit.
Step S5, be heat-treated: then drying biscuit is transferred in high temperature furnace and successively carries out coring heat preservation and crystallization heat preservation, warp A kind of light stone based on large Industrial Solid Waste is obtained after annealing.
As a kind of improvement of preparation method of the present invention, the Industrial Solid Waste of step S1 includes blast furnace slag, flyash, iron tail One or more of mine, cyanidation tailings, chloride residue；Basic powder particle size is 200~300 mesh.
As a kind of improvement of preparation method of the present invention, in step S1, basic powder also includes batch, and batch is boron Sand, CoO, ZnO, Al2O3、Na2CO3One or more of with MgO, the dosage of batch is 0%~10%.
As a kind of improvement of preparation method of the present invention, in step S2, melted heating rate is 10~15 DEG C/min, is melted Temperature processed is 1200~1450 DEG C, and soaking time is 1~3h.
As a kind of improvement of preparation method of the present invention, in step S3, the amount ratio of basic powder and foaming agent are as follows: 99~ 99.9:0.1~1；Foaming agent is dolomite, SiC, MnO2、CaCO3And Na2CO3One or more of.
As a kind of improvement of preparation method of the present invention, the basic powder of devitrified glass and the basic powder of foamed material Dosage is equal.
As a kind of improvement of preparation method of the present invention, in step S5, the heating rate of coring is 8~12 DEG C/min, core Changing temperature is 750~900 DEG C, and soaking time is 60~150min；The heating rate of crystallization is 8~12 DEG C/min, crystallization temperature It is 1100~1280 DEG C, soaking time is 30~150min.
As a kind of improvement of preparation method of the present invention, in step S5, parameter and annealing specifically: cooling rate 15 ~25 DEG C/min, 500~700 DEG C are cooled to, then keeps the temperature 60~150min, then cool to room temperature with the furnace.
A kind of light stone based on large Industrial Solid Waste, the light stone are prepared by method as described above.
(3) beneficial effect
The beneficial effects of the present invention are:
1, light stone preparation method simple process provided by the invention, process are short；Using blast furnace slag, flyash, iron tail The solid wastes such as mine, cyanidation tailings, chloride residue are that raw material prepares light stone, at low cost, and are conducive to protect environment, reduce dirt Dye, simultaneously because the component and dosage of materials at two layers are close, the coefficient of expansion it is identical preferably, stone material is not susceptible in production process It is broken, falls off, improve yield rate.So as to reduce the market price of plate well, greatly improves metallurgical waste and prepare plate The market penetration rate of material improves product competitiveness in the market.
2, light stone intensity provided by the invention is high, wearability is good, water absorption rate is low；Materials at two layers is only included, work is prepared Skill is simple；The component of materials at two layers is close, identical preferable, the material property stabilization of light stone of the coefficient of expansion, not easy to break, It falls off；Constitutive material is large Industrial Solid Waste, at low cost.
3, the preparation method of light stone of the invention, during high temperature nucleation and crystallization, a step, which is fired, to be completed The coring of devitrified glass, the work that is integrated of crystallization, the foaming of foamed material, the fusion of glass-ceramic layer and foamed material layer Not only energy saving and structurally stable compound light stone is made in skill process.Glass-ceramic layer provides smooth and hard Surface is suitable as extraneous adornment, and foamed material layer can realize lightweight, loss of weight, heat-insulated, noise reduction effect, is suitable as Substrate.
Specific embodiment
In order to preferably explain the present invention, in order to understand, by specific embodiment, the present invention is described in detail.
In a specific embodiment of the invention, the relative content of each chemical composition is attached most importance in addition to special instruction Measure relative content.
The present invention provides a kind of preparation method of large Industrial Solid Waste light stone, specifically includes the following steps:
Step S1, it, prepares basic powder: Industrial Solid Waste grind away is mixed, obtain basic powder, contain basic powder 48%~60%SiO2, 9%~18%CaO, 5%~8%Na2O and 3%~15%Al2O3, the particle diameter distribution of basic powder exists 200~300 mesh.
Preferably, Industrial Solid Waste includes one of blast furnace slag, flyash, iron tailings, cyanidation tailings, chloride residue or several Kind.Preferably, basic powder also includes batch, and batch is borax, CoO, ZnO, Al2O3、Na2CO3One of with MgO Or it is several, the dosage of batch is 0%~10%.Wherein, Al2O3It is used to regulate and control in basic powder with MgO (MgO is similar to CaO) Chemical composition, to meet 11%~18%CaO and 3%~15%Al2O3；CoO is used to regulate and control the color of light stone；ZnO can Crystallization temperature is reduced, while improving the stability of crystallization；Na2CO3The fusing point of material layer, while Na can be reduced2CO3It is raw after decomposition At NaO can be embedded into SiO2In lattice, improve structure, reinforces the combination of glass-ceramic layer and foamed material layer.
Step S2, it prepares glass frit: weighing a certain amount of basic powder as the basic powder of devitrified glass；To crystallite Glass is carried out that heat preservation is melted with basic powder, and melted heating rate is 10~15 DEG C/min, and glass melting temperature is 1200~1450 DEG C, soaking time is 1~3h；Then water quenching in sink is poured at once, obtains glass frit after taking out drying.
Step S3, it prepares base's powder: weighing and use the basic powder of basic powder equivalent as foaming material with devitrified glass The basic powder of material；To the foamed material foaming agent of addition 0.1%~1% in basic powder, base is obtained after mixing Powder.
Preferably, foaming agent is dolomite, SiC, MnO2、CaCO3And Na2CO3One or more of.
Step S4, prepare biscuit: arrangement glass frit is simultaneously evenly arranged in saggar bottom, base's powder pressing glass frit At an upper portion thereof, biscuit is made.
Step S5, it is heat-treated: biscuit being dried into 9~11h at 70~80 DEG C, is then transferred in high temperature furnace and successively carries out core Change heat preservation and crystallization heat preservation, the heating rate of coring is 8~12 DEG C/min, and nucleation temperature is 750~900 DEG C, and soaking time is 60~150min, the heating rate of crystallization are 8~12 DEG C/min, and crystallization temperature is 1100~1280 DEG C, soaking time is 30~ 150min；Product after Crystallizing treatment is cooled to 500~700 DEG C with the rate of 15~25 DEG C/min, then keep the temperature 60~ Finished product is obtained after 150min.
To sum up, preparation method simple process, the process of light stone of the present invention are short；Using blast furnace slag, flyash, iron tail The solid wastes such as mine, cyanidation tailings, chloride residue are that raw material prepares light stone, at low cost, and are conducive to protect environment, reduce dirt Dye, simultaneously because the component and dosage of materials at two layers are close, the coefficient of expansion it is identical preferably, stone material is not susceptible in production process It is broken, falls off, improve yield rate.So as to reduce the market price of plate well, greatly improves metallurgical waste and prepare plate The market penetration rate of material improves product competitiveness in the market.
The present invention also provides a kind of large Industrial Solid Waste light stone prepared by the above method, light stone intensity Height, wearability is good, water absorption rate is low；Materials at two layers is only included, preparation process is simple；The component of materials at two layers is close, the coefficient of expansion It is identical preferably the material property of light stone is stablized, it is not easy to break, fall off；Constitutive material is large Industrial Solid Waste, cost It is low.
Embodiment 1
Step S1, prepare 324g iron tailings, 236g blast furnace slag and 30g batch, batch NaCO3With the mixing of ZnO Object, it is levigate to 250 mesh respectively, then 2.5h is ground altogether, obtain basic powder.
Step S2, take a certain amount of basic powder as the basic powder of devitrified glass；To devitrified glass with basic powder into Heat preservation is melted in row, and melted heating rate is 12 DEG C/min, and glass melting temperature is 1450 DEG C, soaking time 3h；Then it falls at once Enter water quenching in sink, obtains glass frit after taking out drying.
Step S3, take the basis 200g powder as the basic powder of foamed material；Add into the basic powder of foamed material Add 0.3% SiC, obtains base's powder after mixing.
Step S4, arrangement 200g glass frit is simultaneously evenly arranged in it in saggar bottom, base's powder pressing glass frit Biscuit is made in top.
Step S5, biscuit is dried at 75 DEG C 10h, is then transferred in high temperature furnace and successively carries out coring heat preservation and crystallization guarantor Temperature, the heating rate of coring are 10 DEG C/min, and nucleation temperature is 800 DEG C, and the heating rate of soaking time 90min, crystallization are 10 DEG C/min, crystallization temperature is 1180 DEG C, soaking time 30min；Product after Crystallizing treatment is dropped with the rate of 25 DEG C/min Temperature obtains finished product after then keeping the temperature 150min to 700 DEG C.
The bulk density, Mohs' hardness, compression strength, wear resistance of finished product in testing example 1, water absorption rate, acid resistance and Alkali resistance the results are shown in Table 1.
Embodiment 2
Step S1, prepare 356g iron tailings, 204g chloride residue and 30g batch, batch NaCO3With mixing for borax Object is closed, it is levigate to 300 mesh respectively, then 2.5h is ground altogether, obtain basis powder.
Step S2, take the basis 200g powder as the basic powder of devitrified glass；Devitrified glass is carried out with basic powder Heat preservation is melted, melted heating rate is 10 DEG C/min, and glass melting temperature is 1200 DEG C, soaking time 2h；Then it pours at once Water quenching in sink obtains glass frit after taking out drying.
Step S3, take the basis 200g powder as the basic powder of foamed material；Add into the basic powder of foamed material Add 0.3% MnO2, base's powder is obtained after mixing.
Step S4, arrangement glass frit is simultaneously evenly arranged at an upper portion thereof in saggar bottom, base's powder pressing glass frit, Biscuit is made.
Step S5, biscuit is dried at 75 DEG C 10h, is then transferred in high temperature furnace and successively carries out coring heat preservation and crystallization guarantor Temperature, the heating rate of coring are 8 DEG C/min, and nucleation temperature is 900 DEG C, soaking time 60min, and the heating rate of crystallization is 8 DEG C/min, crystallization temperature is 1280 DEG C, soaking time 40min；Product after Crystallizing treatment is cooled down with the rate of 20 DEG C/min To 600 DEG C, finished product is obtained after then keeping the temperature 100min.
The bulk density, Mohs' hardness, compression strength, wear resistance of finished product in testing example 2, water absorption rate, acid resistance and Alkali resistance the results are shown in Table 1.
Embodiment 3
Step S1, preparation 272g iron tailings, 232g blast furnace slag, 56g cyanidation tailings and 40g batch, batch MgO, NaCO3It is levigate to 300 mesh respectively with the mixture of ZnO, then 2.5h is ground altogether, obtain basic powder.
Step S2, take a certain amount of basic powder as the basic powder of devitrified glass；To devitrified glass with basic powder into Heat preservation is melted in row, and melted heating rate is 15 DEG C/min, and glass melting temperature is 1400 DEG C, soaking time 1h；Then it falls at once Enter water quenching in sink, obtains glass frit after taking out drying.
Step S3, take the basis 200g powder as the basic powder of foamed material；Add into the basic powder of foamed material Add 0.4% SiC, obtains base's powder after mixing.
Step S4, arrangement 200g glass frit is simultaneously evenly arranged in it in saggar bottom, base's powder pressing glass frit Biscuit is made in top.
Step S5, biscuit is dried at 75 DEG C 10h, is then transferred in high temperature furnace and successively carries out coring heat preservation and crystallization guarantor Temperature, the heating rate of coring are 12 DEG C/min, and nucleation temperature is 750 DEG C, and the heating rate of soaking time 150min, crystallization are 12 DEG C/min, crystallization temperature is 1100 DEG C, soaking time 150min；Product after Crystallizing treatment is dropped with the rate of 15 DEG C/min Temperature obtains finished product after then keeping the temperature 60min to 500 DEG C.
The bulk density, Mohs' hardness, compression strength, wear resistance of finished product in testing example 3, water absorption rate, acid resistance and Alkali resistance the results are shown in Table 1.
Embodiment 4
Step S1, prepare 282g iron tailings, 164g blast furnace slag, 92g flyash and 30g batch, batch be borax, NaCO3It is levigate to 200 mesh respectively with the mixture of ZnO, then 2.5h is ground altogether, obtain basic powder.
Step S2, take a certain amount of basic powder as the basic powder of devitrified glass；To devitrified glass with basic powder into Heat preservation is melted in row, and melted heating rate is 12 DEG C/min, and glass melting temperature is 1350 DEG C, soaking time 3h；Then it falls at once Enter water quenching in sink, obtains glass frit after taking out drying.
Step S3, take the basis 200g powder as the basic powder of foamed material；Add into the basic powder of foamed material Add 0.5% MnO2With the mixture of dolomite, base's powder is obtained after mixing.
Step S4, arrangement 200g glass frit is simultaneously evenly arranged in it in saggar bottom, base's powder pressing glass frit Biscuit is made in top.
Step S5, biscuit is dried at 75 DEG C 10h, is then transferred in high temperature furnace and successively carries out coring heat preservation and crystallization guarantor Temperature, the heating rate of coring are 10 DEG C/min, and nucleation temperature is 850 DEG C, and the heating rate of soaking time 90min, crystallization are 10 DEG C/min, crystallization temperature is 1220 DEG C, soaking time 45min；Product after Crystallizing treatment is dropped with the rate of 25 DEG C/min Temperature obtains finished product after then keeping the temperature 150min to 600 DEG C.
The bulk density, Mohs' hardness, compression strength, wear resistance of finished product in testing example 4, water absorption rate, acid resistance and Alkali resistance the results are shown in Table 1.
End properties test result in each embodiment of table 1
It is excellent that as it can be seen that light stone prepared by the present invention has, intensity is high, wearability is good, water absorption rate is low, corrosion resistance is strong Point.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired Decorations, should be covered by the scope of protection of the present invention.

Claims (9)

1. a kind of preparation method of the light stone based on large Industrial Solid Waste, which comprises the following steps:
Step S1, prepare basic powder: Industrial Solid Waste grind away mixed, obtain basic powder, make basic powder contain 48%~ 60%SiO2, 9%~18%CaO, 5%~8%Na2O and 3%~15%Al2O3；
Step S2, it prepares glass frit: taking a certain amount of basic powder as the basic powder of devitrified glass, to the devitrified glass It is carried out that heat preservation is melted with basic powder, then water quenching obtains glass frit after taking out drying；
Step S3, it prepares base's powder: taking a certain amount of basic powder as the basic powder of foamed material, add foaming agent, mix Base's powder is obtained after closing uniformly；
Step S4, it prepares biscuit: the glass frit is located to the bottom of a high temperature resistant type chamber, base's powder is pressed together on Biscuit is made in the top of the glass frit；
Step S5, it is heat-treated: drying the biscuit, be then transferred in high temperature furnace and successively carry out coring heat preservation and crystallization heat preservation, warp A kind of light stone based on large Industrial Solid Waste is obtained after annealing.
2. preparation method according to claim 1, which is characterized in that Industrial Solid Waste described in step S1 include blast furnace slag, One or more of flyash, iron tailings, cyanidation tailings, chloride residue；The basis powder particle size is 200~300 mesh.
3. preparation method according to claim 1, which is characterized in that in the step S1,
Basic powder also includes batch, and the batch is borax, CoO, ZnO, Al2O3、Na2CO3With one of MgO or several Kind, the dosage of the batch is 0%~10%.
4. preparation method according to claim 1, which is characterized in that in the step S2,
Melted heating rate is 10~15 DEG C/min, and glass melting temperature is 1200~1450 DEG C, and soaking time is 1~3h.
5. preparation method according to claim 1, which is characterized in that in step S3,
The amount ratio of the basis powder and the foaming agent are as follows: 99~99.9:0.1~1；
The foaming agent is dolomite, SiC, MnO2、CaCO3And Na2CO3One or more of.
6. preparation method according to claim 1, which is characterized in that the devitrified glass basic powder and the foaming Material is equal with the dosage of basic powder.
7. preparation method according to claim 1, which is characterized in that in the step S5,
The heating rate of coring is 8~12 DEG C/min, and nucleation temperature is 750~900 DEG C, and soaking time is 60~150min；
The heating rate of crystallization is 8~12 DEG C/min, and crystallization temperature is 1100~1280 DEG C, and soaking time is 30~150min.
8. preparation method according to claim 1, which is characterized in that in the step S5, parameter and annealing specifically:
Cooling rate is 15~25 DEG C/min, is cooled to 500~700 DEG C, then keeps the temperature 60~150min, then cool to room with the furnace Temperature.
9. a kind of light stone based on large Industrial Solid Waste, which is characterized in that the light stone is by claim 1 to 8 times Method described in one prepares.
CN201910436059.8A 2019-05-23 2019-05-23 A kind of light stone and preparation method thereof based on large Industrial Solid Waste Pending CN110092586A (en)

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CN104481101A (en) * 2014-11-03 2015-04-01 北京璞晶科技有限公司 Inorganic thermal insulating decorative panel and production process thereof
CN104612356A (en) * 2014-12-30 2015-05-13 北京璞晶科技有限公司 Inorganic heat preserving decorating building plate
CN104609887A (en) * 2014-12-27 2015-05-13 宁夏黑金科技有限公司 Integral sintering process and equipment for pure microcrystal and microcrystal mixed foamed composite plate

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CN104481101A (en) * 2014-11-03 2015-04-01 北京璞晶科技有限公司 Inorganic thermal insulating decorative panel and production process thereof
CN104609887A (en) * 2014-12-27 2015-05-13 宁夏黑金科技有限公司 Integral sintering process and equipment for pure microcrystal and microcrystal mixed foamed composite plate
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Application publication date: 20190806