CN113461329A - Phosphogypsum-based transparent glass and preparation method thereof - Google Patents
Phosphogypsum-based transparent glass and preparation method thereof Download PDFInfo
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- CN113461329A CN113461329A CN202110834640.2A CN202110834640A CN113461329A CN 113461329 A CN113461329 A CN 113461329A CN 202110834640 A CN202110834640 A CN 202110834640A CN 113461329 A CN113461329 A CN 113461329A
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- phosphogypsum
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- transparent glass
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- powder
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- 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
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B1/00—Preparing the batches
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/23—Cooling the molten glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
-
- 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
- C03C4/00—Compositions for glass with special properties
Abstract
The invention discloses a phosphogypsum-based transparent glass and a preparation method thereof, wherein the glass comprises 20-40 parts by weight of phosphogypsum, 1.2-2.2 parts by weight of coal powder and K2CO310-20 parts of SiO240-80 parts. The preparation steps are as follows: 1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder; 2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 2-6h at the temperature of 1100-1300 ℃, then cooling to the temperature of 350-450 ℃, taking out the powder, standing for 25-45min at room temperature, and then forming to obtain the powderAnd (4) transparent glass. The transparent glass has the characteristics of low cost, simple preparation process, easy industrial implementation and capability of reducing the problem of environmental pollution caused by phosphogypsum.
Description
Technical Field
The invention relates to glass and a preparation method thereof, in particular to phosphogypsum-based transparent glass and a preparation method thereof.
Background
Transparent glass is a non-old popular color, pure and mysterious beauty, and can not be replaced forever, and transparent glass is used as a low-tone and excellent member in glass families, and is always the choice pursued by designers in various places and is good for use. However, the cost of transparent glass is relatively high due to the limitations of process conditions and raw materials.
Phosphogypsum is industrial waste residue discharged in the wet-process production of phosphoric acid, and cannot be directly used due to the content of soluble phosphorus impurities. The phosphorus component in the phosphogypsum mainly has three forms of soluble phosphorus, eutectic phosphorus and precipitated phosphorus, the soluble phosphorus has the greatest influence on the performance, the phosphogypsum delays the setting and hardening of cement and building gypsum and reduces the strength of a hardened body, and the influence of the soluble phosphorus is generally eliminated by water washing purification or lime neutralization pretreatment at home and abroad. At present, the utilization approaches of domestic phosphogypsum are mainly concentrated in the building material industry, industry and agriculture, but no report about the preparation of transparent glass by using phosphogypsum industrial waste residues as raw materials exists.
Therefore, if the phosphogypsum can be combined with the preparation of the transparent glass, the cost of the transparent glass can be reduced, and simultaneously, the consumption and the utilization of the phosphogypsum can be promoted.
Disclosure of Invention
The invention aims to provide phosphogypsum-based transparent glass and a preparation method thereof. The transparent glass has the characteristics of low cost, simple preparation process, easy industrial implementation and capability of reducing the problem of environmental pollution caused by phosphogypsum.
The technical scheme of the invention is as follows: the transparent glass based on phosphogypsum comprises, by weight, 20-40 parts of phosphogypsum, 1.2-2.2 parts of coal powder and K2CO310-20 parts of SiO240-80 parts.
The transparent glass based on the phosphogypsum comprises, by weight, 25-35 parts of phosphogypsum, 1.5-1.9 parts of coal powder and K2CO312-18 parts of SiO250-70 parts.
The transparent glass based on the phosphogypsum comprises 30 parts of phosphogypsum, 1.7 parts of coal powder and K2CO315 parts of SiO260 parts.
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 2-6h at the temperature of 1100-.
In the preparation method of the transparent glass based on phosphogypsum, the calcination temperature is 1200 ℃.
In the preparation method of the phosphogypsum-based transparent glass, the calcination time in the step 2) is 4 hours.
In the preparation method of the phosphogypsum-based transparent glass, the cooling in the step 2) is natural cooling.
In the preparation method of the phosphogypsum-based transparent glass, the temperature of the cooled transparent glass in the step 2) is 400 ℃.
In the preparation method of the phosphogypsum-based transparent glass, the standing time at room temperature in the step 2) is 35 min.
The invention has the advantages of
The transparent glass takes the phosphogypsum as one of the main raw materials, so that the phosphogypsum is changed into valuable, the manufacturing cost of the transparent glass is reduced, meanwhile, the industrial application of the phosphogypsum is expanded, and the transparent glass has a better promotion effect on reducing the problem of environmental pollution caused by phosphogypsum.
Meanwhile, the transparent glass of the invention only needs to be formed by grinding and calcining the raw materials and then cooling, has simple preparation process, is easy for industrial implementation and can be popularized in a large range.
Drawings
FIG. 1 is a transparent glass prepared according to an embodiment of the present invention;
FIG. 2 is a powder of the invention after mixing of the raw materials;
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Examples of the invention
Example 1
The transparent glass based on phosphogypsum comprises, by weight, 20 parts of phosphogypsum, 1.2 parts of coal powder and K2CO310 parts of SiO240 parts of the components.
Example 2
A transparent glass based on ardealite is prepared from ardealite (40 wt. portions), powdered coal (2.2), K2CO320 parts of SiO280 parts of the components.
Example 3
The transparent glass based on phosphogypsum comprises 25 parts by weight of phosphogypsum, 1.5 parts by weight of coal powder and K2CO312 parts and SiO250 parts of the components.
Example 4
The transparent glass based on phosphogypsum comprises 35 parts by weight of phosphogypsum, 1.9 parts by weight of coal powder and K2CO318 parts of SiO270 parts of components.
Example 5
Phosphogypsum-based transparent materialThe glass consists of phosphogypsum 30 weight portions, coal powder 1.7 weight portions and K2CO315 parts of SiO260 parts of components.
Example 6
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 2h at 1100 ℃, then cooling to 350 ℃, taking out the powder, standing at room temperature for 20min, and forming to obtain the transparent glass.
Example 7
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine the powder for 3h at 1150-.
Example 8
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 4h at 1200 ℃, then cooling to 400 ℃, taking out the powder, standing for 30min at room temperature, and forming to obtain the transparent glass.
Example 9
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 5h at 1250 ℃, then cooling to 420 ℃, taking out the powder, and placing the powder for 35min at room temperature to form the transparent glass.
Example 10
The preparation method of the phosphogypsum-based transparent glass comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 6h at 1300 ℃, then cooling to 450 ℃, taking out the powder, and placing the powder for 40min at room temperature to form the transparent glass.
The above description is only for the purpose of illustrating the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The phosphogypsum-based transparent glass is characterized by comprising 20-40 parts by weight of phosphogypsum, 1.2-2.2 parts by weight of coal powder and K2CO310-20 parts of SiO240-80 parts.
2. The phosphogypsum-based transparent glass according to claim 1, which comprises 25-35 parts of phosphogypsum, 1.5-1.9 parts of coal powder and K by weight2CO312-18 parts of SiO250-70 parts.
3. The phosphogypsum-based transparent glass according to claim 2, which is characterized by comprising 30 parts of phosphogypsum, 1.7 parts of coal powder and K by weight2CO315 parts of SiO260 parts.
4. A method for the preparation of phosphogypsum-based transparent glass according to any of claims 1-3, characterized in that it comprises the following steps:
1) mixing phosphogypsum, coal powder and K2CO3And SiO2Putting the mixture into a grinding machine to be uniformly ground to obtain powder;
2) transferring the powder prepared in the step 1) into a crucible, then transferring the crucible into a heating furnace to calcine for 2-6h at the temperature of 1100-.
5. The method for the preparation of phosphogypsum-based transparent glass according to claim 4, characterized in that: the calcination temperature was 1200 ℃.
6. The method for the preparation of phosphogypsum-based transparent glass according to claim 4, characterized in that: the calcining time of the step 2) is 4 h.
7. The method for the preparation of phosphogypsum-based transparent glass according to claim 4, characterized in that: and 2) naturally cooling.
8. The method for the preparation of phosphogypsum-based transparent glass according to claim 4, characterized in that: the temperature of the cooled step 2) is 400 ℃.
9. The method for the preparation of phosphogypsum-based transparent glass according to claim 4, characterized in that: the standing time at room temperature in the step 2) is 35 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110834640.2A CN113461329A (en) | 2021-07-23 | 2021-07-23 | Phosphogypsum-based transparent glass and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110834640.2A CN113461329A (en) | 2021-07-23 | 2021-07-23 | Phosphogypsum-based transparent glass and preparation method thereof |
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| CN202110834640.2A Pending CN113461329A (en) | 2021-07-23 | 2021-07-23 | Phosphogypsum-based transparent glass and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219881A (en) * | 2007-01-08 | 2008-07-16 | 任兆磊 | Phosphogypsum composite material |
| CN102701583A (en) * | 2012-06-15 | 2012-10-03 | 瓮福（集团）有限责任公司 | Method for preparing rock wool by utilizing cinder and phosphate tailings |
| CN106007364A (en) * | 2016-07-12 | 2016-10-12 | 昆明理工大学 | Method for preparing glass ceramics from ardealite |
| CN110467367A (en) * | 2019-09-18 | 2019-11-19 | 贵州中能高新材料有限公司 | A kind of dedicated glass bead of gypsum |
-
2021
- 2021-07-23 CN CN202110834640.2A patent/CN113461329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219881A (en) * | 2007-01-08 | 2008-07-16 | 任兆磊 | Phosphogypsum composite material |
| CN102701583A (en) * | 2012-06-15 | 2012-10-03 | 瓮福（集团）有限责任公司 | Method for preparing rock wool by utilizing cinder and phosphate tailings |
| CN106007364A (en) * | 2016-07-12 | 2016-10-12 | 昆明理工大学 | Method for preparing glass ceramics from ardealite |
| CN110467367A (en) * | 2019-09-18 | 2019-11-19 | 贵州中能高新材料有限公司 | A kind of dedicated glass bead of gypsum |
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