CN107032622A - A kind of foam glass and its production technology - Google Patents
A kind of foam glass and its production technology Download PDFInfo
- Publication number
- CN107032622A CN107032622A CN201710444121.9A CN201710444121A CN107032622A CN 107032622 A CN107032622 A CN 107032622A CN 201710444121 A CN201710444121 A CN 201710444121A CN 107032622 A CN107032622 A CN 107032622A
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- China
- Prior art keywords
- parts
- glass
- foam
- foam glass
- raw material
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Classifications
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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
- 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
-
- 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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
The present invention provides a kind of foam glass and its production technology, is related to glass technology field, foam glass includes the raw material of following parts by weight：0.6 1.4 parts of 100 112 parts of discarded glass, 26 parts of silicon powder, 59 parts of foaming agent, 13 parts of fluxing agent, 15 parts of foam stabilizer, 13 parts of property-modifying additive and foamed promoter；Production technology comprises the following steps：(1) raw material, (2) mixing and crushing, (3) fusing, (4) foaming, (5) annealing are weighed.The present invention solve the glass during foam glass is produced be difficult to melt and foam it is unstable so that the foamed glass insufficient strength produced is high and the problem of not good enough heat insulation effect.
Description
Technical field
The invention belongs to glass technology field, and in particular to a kind of foam glass and its production technology.
Background technology
Foam glass is invented by that Wuerzburg Corning Incorporated of the U.S. earliest, is by cullet, foaming agent, property-modifying additive
With foamed promoter etc., after finely divided and uniform mixing, then by high temperature melting, foaming, annealing and be made it is inorganic non-
Metal glass material.It is by a large amount of a diameter of 1-2 millimeters uniform bubble structure compositions.Wherein sound-absorbing foam glass is 50%
Above perforate bubble, heat insulation foam glass is more than 75% closed pore bubble, can pass through production technology according to the requirement used
Variation of parameter is adjusted.
Because this new material has moistureproof, fire prevention, corrosion-resistant effect, glass material has Long-Term Properties not in addition
The advantage of deterioration, makes it in thermal insulation, deep cooling, underground, outdoor, inflammable, easy tide and has under the severe rugged environments such as chemical erosion extremely
User favors.It is widely used in wall thermal insulating, oil, chemical industry, computer room noise reduction, highway sound-absorbing divider wall, electric power, military project production
Product etc., environmental type heat-insulating material is referred to as by user.
A kind of foam glass of Chinese patent literature and its production method (Authorization Notice No. that on March 4th, 2015 is announced
CN102875027B), including 90-95 parts of glass, 1-5 parts of silicon powder, 1-3 parts of foaming agent, property-modifying additive in terms of parts by weight
1-2 parts and 0.5-3 parts of foamed promoter, the production method of the foam glass comprise the following steps 90-95 in terms of parts by weight
After part, 1-5 parts of silicon powder, 1-3 parts of foaming agent, 1-2 parts of property-modifying additive and 0.5-3 parts of co-grindings of foamed promoter, formed
Mix powder, is molten into mixture liquid, the fusion temperature is 700 DEG C -850 DEG C, by institute after fusing by mix powder
State mixture liquid and carry out even foaming, carry out 650 DEG C -720 DEG C of temperature during the even foaming, and keep 30-50min equal
Even foaming, starts annealing when 500 DEG C -550 DEG C are cooled to after completion, annealing 37-38h to normal temperature shapes.
But invention glass during foam glass is produced be difficult to melt and foam it is unstable so that producing
Foamed glass insufficient strength is high and heat insulation effect is not good enough, needs further raising.
The content of the invention
In order to solve the glass during foam glass is produced be difficult to melt and foam it is unstable so that producing
The problem of foamed glass insufficient strength height and not good enough heat insulation effect, it is an object of the invention to provide a kind of foam glass and its production
Technique, with the meltable warm foaming stabilization of glass during foam glass is produced, so that the foamed glass produced is strong
High and high insulating effect the advantage of degree.
The invention provides following technical scheme：
A kind of foam glass, includes the raw material of following parts by weight：100-112 parts of discarded glass, 2-6 parts of silicon powder, foaming
0.6-1.4 parts of 5-9 parts of agent, 1-3 parts of fluxing agent, 1-5 parts of foam stabilizer, 1-3 parts of property-modifying additive and foamed promoter.
Preferably, the raw material of following parts by weight is included：106 parts of discarded glass, 4 parts of silicon powder, 7 parts of foaming agent, fluxing agent 2
Part, 3 parts of foam stabilizer, 2 parts of property-modifying additive and 1 part of foamed promoter.
Preferably, the foaming agent is carbon black, advantageously forms the foamed glass of the thin uniform closed pore structure of wall.
Preferably, the fluxing agent is fluorite, helps to adjust the surface nature of glass particle, reduces the viscosity of glass,
Glass is set to be easy to melting.
Preferably, the foam stabilizer is borate, helps to prevent bubble to be bound to each other to form intercommunicating pore or rupture, so that
Stable bubble structure.
Preferably, the property-modifying additive is alundum (Al2O3), and alundum (Al2O3) is conducive to strengthening the bubble of stabilized glass
Structure.
Preferably, the foamed promoter is antimony oxide, and oxygen is discharged by pyrolytic, promotes foaming agent hair
Bubble, improves the foaming and intumescing ability of glass.
A kind of production technology of foam glass, comprises the following steps：
(1) raw material is weighed according to the parts by weight of foam glass raw material；
(2) raw material is mixed, crush after obtain mix powder；
(3) mix powder in step (2) is molten into mixture liquid, fusion temperature is controlled at 720-800 DEG C；
(4) mixture liquid in step (3) is subjected to even foaming, blowing temperature is controlled at 665-700 DEG C, foaming
Between be 30-40min；
(5) annealing is started when being cooled to 500-550 DEG C, annealing 36-38h to normal temperature shapes.
The beneficial effects of the invention are as follows：
1st, the present invention solve the glass during foam glass is produced be difficult to melt and foam it is unstable so that raw
The problem of foamed glass insufficient strength height and not good enough heat insulation effect of output.
2nd, heretofore described foaming agent is carbon black, advantageously forms the foaming glass of the thin uniform closed pore structure of wall
Glass.
3rd, heretofore described fluxing agent is fluorite, helps to adjust the surface nature of glass particle, reduces the viscous of glass
Degree, makes glass be easy to melting.
4th, heretofore described foam stabilizer is borate, helps to prevent bubble to be bound to each other to form intercommunicating pore or rupture,
So as to stablize bubble structure.
5th, heretofore described property-modifying additive is alundum (Al2O3), and alundum (Al2O3) is conducive to strengthening the gas of stabilized glass
Bubble structure.
6th, heretofore described foamed promoter is antimony oxide, and oxygen is discharged by pyrolytic, promotes foaming agent
Foaming, improves the foaming and intumescing ability of glass.
Embodiment
Embodiment 1
A kind of foam glass, includes the raw material of following parts by weight：106 parts of discarded glass, 4 parts of silicon powder, 7 parts of foaming agent,
1 part of 2 parts of fluxing agent, 3 parts of foam stabilizer, 2 parts of property-modifying additive and foamed promoter.
Foaming agent is carbon black, advantageously forms the foamed glass of the thin uniform closed pore structure of wall.
Fluxing agent is fluorite, helps to adjust the surface nature of glass particle, reduces the viscosity of glass, glass is easy to molten
Melt.
Foam stabilizer is borate, helps to prevent bubble to be bound to each other to form intercommunicating pore or rupture, so that stable bubble knot
Structure.
Property-modifying additive is alundum (Al2O3), and alundum (Al2O3) is conducive to strengthening the bubble structure of stabilized glass.
Foamed promoter is antimony oxide, and oxygen is discharged by pyrolytic, promotes foaming agent foam, improves glass
Foaming and intumescing ability.
A kind of production technology of foam glass, comprises the following steps：
(1) raw material is weighed according to the parts by weight of foam glass raw material；
(2) raw material is mixed, crush after obtain mix powder；
(3) mix powder in step (2) is molten into mixture liquid, fusion temperature is controlled at 720-800 DEG C；
(4) mixture liquid in step (3) is subjected to even foaming, blowing temperature is controlled at 665-700 DEG C, foaming
Between be 30-40min；
(5) annealing is started when being cooled to 500-550 DEG C, annealing 36-38h to normal temperature shapes.
Embodiment 2
A kind of foam glass, includes the raw material of following parts by weight：100 parts of discarded glass, 2 parts of silicon powder, 5 parts of foaming agent,
0.6 part of 1 part of fluxing agent, 1 part of foam stabilizer, 1 part of property-modifying additive and foamed promoter.
Foaming agent is carbon black, advantageously forms the foamed glass of the thin uniform closed pore structure of wall.
Fluxing agent is fluorite, helps to adjust the surface nature of glass particle, reduces the viscosity of glass, glass is easy to molten
Melt.
Foam stabilizer is borate, helps to prevent bubble to be bound to each other to form intercommunicating pore or rupture, so that stable bubble knot
Structure.
Property-modifying additive is alundum (Al2O3), and alundum (Al2O3) is conducive to strengthening the bubble structure of stabilized glass.
Foamed promoter is antimony oxide, and oxygen is discharged by pyrolytic, promotes foaming agent foam, improves glass
Foaming and intumescing ability.
A kind of production technology of foam glass, comprises the following steps：
(1) raw material is weighed according to the parts by weight of foam glass raw material；
(2) raw material is mixed, crush after obtain mix powder；
(3) mix powder in step (2) is molten into mixture liquid, fusion temperature is controlled at 720-800 DEG C；
(4) mixture liquid in step (3) is subjected to even foaming, blowing temperature is controlled at 665-700 DEG C, foaming
Between be 30-40min；
(5) annealing is started when being cooled to 500-550 DEG C, annealing 36-38h to normal temperature shapes.
Embodiment 3
A kind of foam glass, includes the raw material of following parts by weight：112 parts of discarded glass, 6 parts of silicon powder, 9 parts of foaming agent,
1.4 parts of 3 parts of fluxing agent, 5 parts of foam stabilizer, 3 parts of property-modifying additive and foamed promoter.
Foaming agent is carbon black, advantageously forms the foamed glass of the thin uniform closed pore structure of wall.
Fluxing agent is fluorite, helps to adjust the surface nature of glass particle, reduces the viscosity of glass, glass is easy to molten
Melt.
Foam stabilizer is borate, helps to prevent bubble to be bound to each other to form intercommunicating pore or rupture, so that stable bubble knot
Structure.
Property-modifying additive is alundum (Al2O3), and alundum (Al2O3) is conducive to strengthening the bubble structure of stabilized glass.
Foamed promoter is antimony oxide, and oxygen is discharged by pyrolytic, promotes foaming agent foam, improves glass
Foaming and intumescing ability.
A kind of production technology of foam glass, comprises the following steps：
(1) raw material is weighed according to the parts by weight of foam glass raw material；
(2) raw material is mixed, crush after obtain mix powder；
(3) mix powder in step (2) is molten into mixture liquid, fusion temperature is controlled at 720-800 DEG C；
(4) mixture liquid in step (3) is subjected to even foaming, blowing temperature is controlled at 665-700 DEG C, foaming
Between be 30-40min；
(5) annealing is started when being cooled to 500-550 DEG C, annealing 36-38h to normal temperature shapes.
Existing foam glass in foam glass and comparative example is made in embodiment 1, embodiment 2 and embodiment 3 and carries out performance
Test, obtains following test result, as shown in table 1：
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Thermal conductivity factor (w/m ﹒ k) | 0.024 | 0.030 | 0.036 | 0.067 |
| Compression strength (MPa) | 2.1 | 1.8 | 1.5 | 0.5 |
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of foam glass and its production technology, from the thermal conductivity factor measured as can be seen that embodiment 1-3 heat conduction system
Number is below comparative example 1, illustrates the heat-insulated good of foam glass of the present invention.
2nd, a kind of foam glass and its production technology, from the compression strength measured as can be seen that embodiment 1-3 pressure resistance
Degree is above comparative example 1, illustrates that the compression strength of foam glass of the present invention is high.
3rd, a kind of foam glass and its production technology, from the data of each index measured as can be seen that embodiment 1 is excellent
In embodiment 2, embodiment 3 and comparative example 1, illustrate the composition of raw materials of foam glass of the present invention and the reasonability of production technology.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or equivalent substitution, all essences in the present invention are carried out to which part technical characteristic
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of foam glass, it is characterised in that include the raw material of following parts by weight：100-112 parts of discarded glass, silicon powder 2-
0.6-1.4 parts of 6 parts, 5-9 parts of foaming agent, 1-3 parts of fluxing agent, 1-5 parts of foam stabilizer, 1-3 parts of property-modifying additive and foamed promoter.
2. foam glass according to claim 1, it is characterised in that include the raw material of following parts by weight：Discarded glass 106
Part, 4 parts of silicon powder, 7 parts of foaming agent, 2 parts of fluxing agent, 3 parts of foam stabilizer, 2 parts of property-modifying additive and 1 part of foamed promoter.
3. foam glass according to claim 1, it is characterised in that：The foaming agent is carbon black.
4. foam glass according to claim 1, it is characterised in that：The fluxing agent is fluorite.
5. foam glass according to claim 1, it is characterised in that：The foam stabilizer is borate.
6. foam glass according to claim 1, it is characterised in that：The property-modifying additive is alundum (Al2O3).
7. foam glass according to claim 1, it is characterised in that：The foamed promoter is antimony oxide.
8. the production technology of a kind of foam glass as described in claim 1-7 any one, it is characterised in that including following
Step：
(1) raw material is weighed according to the parts by weight of foam glass raw material；
(2) raw material is mixed, crush after obtain mix powder；
(3) mix powder in step (2) is molten into mixture liquid, fusion temperature is controlled at 720-800 DEG C；
(4) mixture liquid in step (3) is subjected to even foaming, blowing temperature control is at 665-700 DEG C, and foamed time is
30-40min；
(5) annealing is started when being cooled to 500-550 DEG C, annealing 36-38h to normal temperature shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444121.9A CN107032622A (en) | 2017-06-13 | 2017-06-13 | A kind of foam glass and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444121.9A CN107032622A (en) | 2017-06-13 | 2017-06-13 | A kind of foam glass and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107032622A true CN107032622A (en) | 2017-08-11 |
Family
ID=59542151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710444121.9A Pending CN107032622A (en) | 2017-06-13 | 2017-06-13 | A kind of foam glass and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107032622A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115677227A (en) * | 2021-12-28 | 2023-02-03 | 陕西匠心琉璃新材料有限公司 | Method for producing foam glass by using casting waste sand as raw material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875027A (en) * | 2012-10-18 | 2013-01-16 | 北京首邦新材料有限公司 | Foam glass and production method thereof |
| 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 |
-
2017
- 2017-06-13 CN CN201710444121.9A patent/CN107032622A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875027A (en) * | 2012-10-18 | 2013-01-16 | 北京首邦新材料有限公司 | Foam glass and production method thereof |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115677227A (en) * | 2021-12-28 | 2023-02-03 | 陕西匠心琉璃新材料有限公司 | Method for producing foam glass by using casting waste sand as raw material |
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Application publication date: 20170811 |