CN108774004A - A method of preparing devitrified glass using cullet - Google Patents
A method of preparing devitrified glass using cullet Download PDFInfo
- Publication number
- CN108774004A CN108774004A CN201811082529.7A CN201811082529A CN108774004A CN 108774004 A CN108774004 A CN 108774004A CN 201811082529 A CN201811082529 A CN 201811082529A CN 108774004 A CN108774004 A CN 108774004A
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- CN
- China
- Prior art keywords
- cullet
- devitrified glass
- glass
- crystallization
- sintered
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
-
- 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
- C03C10/0063—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of methods preparing devitrified glass using cullet, include the raw material of following weight proportion：Cullet 65% ~ 71%, calcirm-fluoride 7% ~ 12%, calcium oxide 1% ~ 6%, boric acid 1% ~ 3%, waterglass 4% ~ 8%, Phosphorus Slag 5% ~ 15%, manufacturing step include pre-treatment, broken screening of shaking, mix, is die-filling, being sintered crystallization, annealing, demoulding, trimming, grinding and polishing.The present invention improves the utilization rate of cullet using cullet as main production raw material, while avoiding environmental pollution.
Description
Technical field
The present invention relates to devitrified glass preparation fields, and in particular to a method of preparing devitrified glass using cullet.
Background technology
Devitrified glass is also referred to as glass-ceramic, be it is a kind of a kind of composite material obtained from control crystallization is carried out to glass, it is main
If being obtained by heat treatment appropriate makes glass surface or internal generation different crystal and makes crystal homoepitaxial.Parent glass
Glass and the performance of performance joint effect devitrified glass precipitated crystal, to make devitrified glass that can there is low bulk, heat-resisting, high-strength
The various functions such as degree, high tenacity.Manufacture devitrified glass raw materials used mainly quartz sand, kaolin, feldspar, calcite, lime
Stone and some fluxing agents, fining agent and a small amount of industrial chemicals.Cullet belongs to a kind of city mineral resources, can be used for manufacturing and build
Build material (tapestry brick, coating), pavement material (glass asphalt, glass microballoon), thermal insulation material (foam glass, mineral wool) etc..
Recycled all up to 80% or more in the developed countries such as Switzerland, Germany, Japan cullet, world average level also close to
50%.China is glass production big country and consumption big country, and the annual cullet amount that generates is about 31,000,000 tons, and recovery utilization rate is 25
Between~30%, utilization rate is relatively low, while causing environmental pollution.
Invention content
In order to overcome the shortage of prior art, the present invention provides a kind of method preparing devitrified glass using cullet, purpose
It is the utilization rate for improving China's cullet, avoids environmental pollution caused by cullet.
Technical solution of the invention：
A method of preparing devitrified glass using cullet, it is characterised in that：Include the raw material of following weight proportion：
Cullet 65% ~ 71%, calcirm-fluoride 7% ~ 12%, calcium oxide 1% ~ 6%, boric acid 1% ~ 3%,
Waterglass 4% ~ 8%, Phosphorus Slag 5% ~ 15%；Specifically include following steps：
Step 1, pre-treatment：Cullet is sorted, cleaned and is homogenized；
Step 2, crushing and screening：Cullet is broken by glass sand using hammer mill；
Step 3, mixing：Each raw material is weighed in proportion and is put into mixing machine is uniformly mixed；
Step 4, it is die-filling：Then mixture is fitted into refractory material or heat-resisting steel mold, surface is struck off and is compacted；
Step 5 is sintered crystallization：Mold equipped with mixture is sent into sintering crystallization furnace and carries out coring and crystallization；
Step 6, annealing：The devitrified glass crystalline phase annealing good by crystallization is sintered, eliminates stress；
Step 7, demoulding：The devitrified glass sintered is removed from the molds；
Step 8, trimming：The flash of devitrified glass crude green body is cut away；
Step 9, grinding and polishing：Devitrified glass after trimming is polished to the finished product for being polished to different surfaces glossiness.
Sintering crystallization temperature in preferred step 5 is 650 DEG C ~ 730 DEG C.
Beneficial effects of the present invention：
As long as improving the utilization rate of cullet using cullet as the raw material of manufacture devitrified glass in the present invention, effectively avoiding
It is polluted caused by cullet；It is relatively low that it is sintered crystallization temperature in the present invention, reduces the energy consumption in devitrified glass manufacturing process；It adopts
It is not fluorine-containing with devitrified glass produced by the present invention, avoid environmental pollution.
Specific implementation mode
With reference to embodiment, the present invention will be further described：
Embodiment 1：
A method of devitrified glass being prepared using cullet, includes the raw material of following weight proportion：Cullet 68%, calcirm-fluoride
8%, calcium oxide 3%, boric acid 2%, waterglass 5%, Phosphorus Slag 14%.
Specifically include following steps：
Step 1, pre-treatment：Cullet is sorted, cleaned and is homogenized；
Step 2, crushing and screening：Cullet is broken by glass sand using hammer mill；
Step 3, mixing：Each raw material is weighed in proportion and is put into mixing machine is uniformly mixed；
Step 4, it is die-filling：Then mixture is fitted into refractory material or heat-resisting steel mold, surface is struck off and is compacted；
Step 5 is sintered crystallization：Mold equipped with mixture is sent into sintering crystallization furnace and carries out coring and crystallization, is sintered crystallization
Temperature is 680 DEG C.
Step 6, annealing：The devitrified glass crystalline phase annealing good by crystallization is sintered, eliminates stress；
Step 7, demoulding：The devitrified glass sintered is removed from the molds；
Step 8, trimming：The flash of devitrified glass crude green body is cut away；
Step 9, grinding and polishing：Devitrified glass after trimming is polished to the finished product for being polished to different surfaces glossiness.
Embodiment 2：
A method of devitrified glass being prepared using cullet, includes the raw material of following weight proportion：Cullet 70%, calcirm-fluoride
11%, calcium oxide 5%, boric acid 1%, waterglass 6%, Phosphorus Slag 7%.
Specifically include following steps：
Step 1, pre-treatment：Cullet is sorted, cleaned and is homogenized；
Step 2, crushing and screening：Cullet is broken by glass sand using hammer mill；
Step 3, mixing：Each raw material is weighed in proportion and is put into mixing machine is uniformly mixed；
Step 4, it is die-filling：Then mixture is fitted into refractory material or heat-resisting steel mold, surface is struck off and is compacted；
Step 5 is sintered crystallization：Mold equipped with mixture is sent into sintering crystallization furnace and carries out coring and crystallization, is sintered crystallization
Temperature is 700 DEG C.
Step 6, annealing：The devitrified glass crystalline phase annealing good by crystallization is sintered, eliminates stress；
Step 7, demoulding：The devitrified glass sintered is removed from the molds；
Step 8, trimming：The flash of devitrified glass crude green body is cut away；
Step 9, grinding and polishing：Devitrified glass after trimming is polished to the finished product for being polished to different surfaces glossiness.
Embodiment 3：
A method of devitrified glass being prepared using cullet, includes the raw material of following weight proportion：Cullet 71%, calcirm-fluoride
9%, calcium oxide 4%, boric acid 3%, waterglass 7%, Phosphorus Slag 6%.
Specifically include following steps：
Step 1, pre-treatment：Cullet is sorted, cleaned and is homogenized；
Step 2, crushing and screening：Cullet is broken by glass sand using hammer mill；
Step 3, mixing：Each raw material is weighed in proportion and is put into mixing machine is uniformly mixed；
Step 4, it is die-filling：Then mixture is fitted into refractory material or heat-resisting steel mold, surface is struck off and is compacted；
Step 5 is sintered crystallization：Mold equipped with mixture is sent into sintering crystallization furnace and carries out coring and crystallization, is sintered crystallization
Temperature is 720 DEG C.
Step 6, annealing：The devitrified glass crystalline phase annealing good by crystallization is sintered, eliminates stress；
Step 7, demoulding：The devitrified glass sintered is removed from the molds；
Step 8, trimming：The flash of devitrified glass crude green body is cut away；
Step 9, grinding and polishing：Devitrified glass after trimming is polished to the finished product for being polished to different surfaces glossiness.
Claims (2)
1. a kind of method preparing devitrified glass using cullet, it is characterised in that：Include the raw material of following weight proportion：Useless glass
Glass 65% ~ 71%, calcirm-fluoride 7% ~ 12%, calcium oxide 1% ~ 6%, boric acid 1% ~ 3%,
Waterglass 4% ~ 8%, Phosphorus Slag 5% ~ 15%；Specifically include following steps：
Step 1, pre-treatment：Cullet is sorted, cleaned and is homogenized；
Step 2, crushing and screening：Cullet is broken by glass sand using hammer mill；
Step 3, mixing：Each raw material is weighed in proportion and is put into mixing machine is uniformly mixed；
Step 4, it is die-filling：Then mixture is fitted into refractory material or heat-resisting steel mold, surface is struck off and is compacted；
Step 5 is sintered crystallization：Mold equipped with mixture is sent into sintering crystallization furnace and carries out coring and crystallization；
Step 6, annealing：The devitrified glass crystalline phase annealing good by crystallization is sintered, eliminates stress；
Step 7, demoulding：The devitrified glass sintered is removed from the molds；
Step 8, trimming：The flash of devitrified glass crude green body is cut away；
Step 9, grinding and polishing：Devitrified glass after trimming is polished to the finished product for being polished to different surfaces glossiness.
2. a kind of method preparing devitrified glass using cullet as described in claim 1, it is characterised in that：In step 5
It is 650 DEG C ~ 730 DEG C to be sintered crystallization temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082529.7A CN108774004A (en) | 2018-09-17 | 2018-09-17 | A method of preparing devitrified glass using cullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082529.7A CN108774004A (en) | 2018-09-17 | 2018-09-17 | A method of preparing devitrified glass using cullet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108774004A true CN108774004A (en) | 2018-11-09 |
Family
ID=64029074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811082529.7A Withdrawn CN108774004A (en) | 2018-09-17 | 2018-09-17 | A method of preparing devitrified glass using cullet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108774004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732955A (en) * | 2021-09-03 | 2021-12-03 | 维达力实业（赤壁）有限公司 | Frosted glass and preparation method thereof |
-
2018
- 2018-09-17 CN CN201811082529.7A patent/CN108774004A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732955A (en) * | 2021-09-03 | 2021-12-03 | 维达力实业（赤壁）有限公司 | Frosted glass and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181109 |
|
| WW01 | Invention patent application withdrawn after publication |