CN107056050A - The preparation method of high-performance borosilicate foam glass special raw material glass - Google Patents
The preparation method of high-performance borosilicate foam glass special raw material glass Download PDFInfo
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- CN107056050A CN107056050A CN201710451633.8A CN201710451633A CN107056050A CN 107056050 A CN107056050 A CN 107056050A CN 201710451633 A CN201710451633 A CN 201710451633A CN 107056050 A CN107056050 A CN 107056050A
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- glass
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- foam glass
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to a kind of preparation method of high-performance borosilicate foam glass special raw material glass, comprise the steps：(1) dispensing：It will be well mixed after various raw material weighings in unified batch mixer；(2) found：By the raw material prepared by being heated at high temperature, the glass metal of uniform bubble-free is formed；(3) it is molded：The glass metal melted is transformed into the figurate solid articles of tool；(4) water quenching：Product is broken into graininess through water quenching after shaping, is pulled out by machine for fishing out；(5) conveying control water：The granular glass raw material pulled out through machine for fishing out is laid in conveyer belt and is delivered in storage bin way, using waste-heat recovery device recovery section hot-air, uniform to hot blast is blowed on belt conveyer by airduct, and the moisture adsorbed on glass is dried.Glass of the present invention is that the foam glass that raw material foams not only has the advantages that good acid-resistant corrosion, high mechanical strength, thermal conductivity factor be low, stomata good leak tightness, and is suitable to industrialized production.
Description
Technical field
The present invention relates to a kind of preparation method of borosilicate foam glass, more particularly, to a kind of high-performance borosilicate foam glass
The preparation method of special raw material glass.
Background technology
Foam glass is invented by pittsburgh,U.S.A Corning Incorporated 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.Because this new material has moistureproof, fire prevention, corrosion-resistant effect, glass material, which has, in addition is used for a long time
The advantage that performance is not deteriorated, makes it in thermal insulation, deep cooling, underground, outdoor, inflammable, easy tide and has the severe rugged environments such as chemical erosion
Under extremely user favor.Be widely used in wall thermal insulating, oil, chemical industry, computer room noise reduction, highway sound-absorbing divider wall, electric power,
War products etc., environmental type heat-insulating material is referred to as by user.
Foam glass is also known as cellular glass, and its internal spilehole for being full of countless openings or remaining silent, the area of stomata is accounted for
The 80%~90% of cumulative volume, pore size is 0.5~5mm, small to several microns also had.The primary raw material of foam glass is usual
It is cullet, workable acid slag class material, such as volcanic ash, float stone, perlite, obsidian, blast-furnace cinder.But
It is that this kind of foam glass has the disadvantage that：(1) acid-resistant corrosion is poor；(2) mechanical strength is low；(3) stomata seal is bad, very
Hardly possible obtains the consistent hole-closing structure foam glass of outward appearance；(4) it can meet that acid-resistant corrosion is good, high mechanical strength, stomata is closed
The good foam glass of property does not reach the purpose of large-scale production again.
The content of the invention
In order to overcome the shortcomings of that prior art is present, the invention provides a kind of high-performance borosilicate foam glass special raw material
The preparation method of glass, its borosilicate foam glass prepared is not only good with acid-resistant corrosion, and high mechanical strength, stomata is close
The advantages of closing property is good, can be simultaneously reached the purpose of large-scale production.
A kind of preparation method of high-performance borosilicate foam glass special raw material glass, comprises the steps：
(1) dispensing：According to designed material Fang Dan, it will be well mixed after various raw material weighings in unified batch mixer；Wherein,
In terms of weight/mass percentage composition, the composition of each raw material is：
(2) found：By the raw material prepared by being heated at high temperature, the glass metal of uniform bubble-free is formed；
(3) it is molded：The glass metal melted is transformed into the figurate solid articles of tool；
(4) water quenching：Product is broken into graininess through water quenching after shaping, is pulled out by machine for fishing out；
(5) conveying control water：The granular glass raw material pulled out through machine for fishing out is laid in conveyer belt and is delivered to storage bin
It is uniform to hot blast is blowed on belt conveyer by airduct using waste-heat recovery device recovery section hot-air in way, it will inhale
It is attached to the moisture drying on glass.
Preferably, in step (1), in terms of weight/mass percentage composition, the composition of each raw material is：
Preferably, in step (2), founding and being carried out in melting furnaces, melting furnaces use energy-saving glass industrial flame tank furnace, mix
Close material to found in kiln pond, naked light is heated on metal level top；The glass melting temperature of glass is at 1300~1600 DEG C.
Preferably, in step (3), glass is changed into mouldable state by viscous fluid first, then is transformed into fragility solid-state；Adopt
With vertical derivative method blow-molded glass pipe is fed, product is in hollow glass tube state after shaping.
Preferably, in step (4), being supplied water using recirculating cooling water system, quenching water temperature is below 70 DEG C.
Preferably, the machine for fishing out is scraper plate machine for fishing out.
Preferably, in step (5), 2 hot blast temperatures blowed are 250 DEG C~300 DEG C.
Glass of the present invention is that the foam glass that raw material foams not only has good acid-resistant corrosion, high mechanical strength, heat conduction system
The advantages of number low, stomata good leak tightness, and suitable for industrialized production.
Embodiment
With reference to specific embodiment, the invention will be further described, but invention which is intended to be protected is not limited to
This.
Embodiment 1
A kind of preparation method of high-performance borosilicate foam glass special raw material glass, comprises the steps：
(1) dispensing：According to designed material Fang Dan, it will be well mixed after various raw material weighings in unified batch mixer；Wherein,
In terms of weight/mass percentage composition, the composition of each raw material is：
(2) found：By the raw material prepared by being heated at high temperature, the glass metal of uniform bubble-free is formed；This be one very
Physics, the chemical reaction process of complexity, founding for glass are carried out in melting furnaces, and melting furnaces use energy-saving glass industrial flame pond
Kiln, compound is founded in kiln pond, and naked light is heated on metal level top；The glass melting temperature of glass is at 1300~1600 DEG C；It is molten
Chemical conversion has mobility glass metal, and the work department through tank furnace enters material road, and glass metal is gradually reduced to suitable shaping temperature by high temperature
Degree；
(3) it is molded：The glass metal melted is transformed into the figurate solid articles of tool；Shaping must be certain
It could be carried out in temperature range, this is a cooling procedure, and glass is changed into mouldable state by viscous fluid first, then is transformed into crisp
Property solid-state；Using vertical derivative method blow-molded glass pipe is fed, water quenching shaping is carried out；
(4) water quenching：Supplied water using recirculating cooling water system, quenching water temperature is below 70 DEG C, and product is in hollow glass after shaping
Glass tubulose state, vertically falls into pond, water quenching is broken into graininess, is pulled out by scraper plate machine for fishing out after itself flowing；
(5) conveying control water：The granular glass raw material pulled out through machine for fishing out is laid in conveyer belt and is delivered to storage bin
In way, using the waste-heat recovery device recovery section hot-air of Industrial Stoves, blown by the way that airduct is uniform on belt conveyer
250 DEG C~300 DEG C of hot blast is sent, the moisture adsorbed on glass is dried.
Prepare two groups of foam glass products, one group is commercially available conventional foam glass (every group of 5 samples), another
Group is the foam glass (every group of 5 samples) that glass of the present invention is raw material foaming, is soaked 20 days in dilute sulfuric acid respectively, and quality becomes
Change as shown in table 1：
Table 1
| Title | Original quality g | Quality g after 20 days | Gradient |
| The foam glass of simple glass raw material foaming | 20 | 20.8~21.6 | >=4% |
| Glass of the present invention is the foam glass that raw material foams | 20 | 20.01~20.02 | ≤ 0.1% |
As can be seen from Table 1, glass of the present invention is the foam glass stomata good leak tightness that raw material foams, and acid solution is difficult leaching
Enter, the corrosion function for resisting acid solution is stronger, therefore mass change very little.
Glass of the present invention is that the other technologies performance indications for the foam glass that raw material foams are as shown in table 2：
Table 2
As can be seen from Table 2, glass of the present invention is the foam glass that raw material foams, in addition, according to of the invention repeatedly in state
Experience and effect after pilot scale are carried out on interior Industrial Stoves, the condition of large-scale production is fully achieved.
Embodiment 2
The formula for changing raw material in step (1) in embodiment 1 is (in terms of weight/mass percentage composition)：
Prepare two groups of foam glass products, one group is commercially available conventional foam glass (every group of 5 samples), another
Group is the foam glass (every group of 5 samples) that glass of the present invention is raw material foaming, is soaked 20 days in dilute sulfuric acid respectively, and quality becomes
Change as shown in table 3：
Table 3
| Title | Original quality g | Quality g after 20 days | Gradient |
| The foam glass of simple glass raw material foaming | 20 | 20.8~21.6 | >=4% |
| Glass of the present invention is the foam glass that raw material foams | 20 | 20.015~20.035 | ≤ 0.175% |
Other technologies performance indications are as shown in table 4：
Table 4
| Technical performance index numerical value | Numerical value | Actual measurement |
| Bulk density | ≤150kg/m3 | 140kg/m3 |
| Thermal conductivity factor | ≤0.050W/m.K | 0.04W/m.K |
| Compression strength | ≥0.8Mpa | 1.7Mpa |
| Rupture strength | ≥0.7Mpa | 0.83Mpa |
| Water absorption rate | ≤ 0.5% | 0.1% |
Embodiment 3
The formula for changing raw material in step (1) in embodiment 1 is (in terms of weight/mass percentage composition)：
Prepare two groups of foam glass products, one group is commercially available conventional foam glass (every group of 5 samples), another
Group is the foam glass (every group of 5 samples) that glass of the present invention is raw material foaming, is soaked 20 days in dilute sulfuric acid respectively, and quality becomes
Change as shown in table 3：
Table 3
| Title | Original quality g | Quality g after 20 days | Gradient |
| The foam glass of simple glass raw material foaming | 20 | 20.8~21.6 | >=4% |
| Glass of the present invention is the foam glass that raw material foams | 20 | 20.013~20.033 | ≤ 0.165% |
Other technologies performance indications are as shown in table 4：
Table 4
| Technical performance index numerical value | Numerical value | Actual measurement |
| Bulk density | ≤150kg/m3 | 140kg/m3 |
| Thermal conductivity factor | ≤0.050W/m.K | 0.04W/m.K |
| Compression strength | ≥0.8Mpa | 1.73Mpa |
| Rupture strength | ≥0.7Mpa | 0.85Mpa |
| Water absorption rate | ≤ 0.5% | 0.1% |
Claims (7)
1. a kind of preparation method of high-performance borosilicate foam glass special raw material glass, it is characterised in that comprise the steps：
(1) dispensing：According to designed material Fang Dan, it will be well mixed after various raw material weighings in unified batch mixer；Wherein, with matter
Percentage composition meter is measured, the composition of each raw material is：
(2) found：By the raw material prepared by being heated at high temperature, the glass metal of uniform bubble-free is formed；
(3) it is molded：The glass metal melted is transformed into the figurate solid articles of tool；
(4) water quenching：Product is broken into graininess through water quenching after shaping, is pulled out by machine for fishing out；
(5) conveying control water：The granular glass raw material pulled out through machine for fishing out is laid in conveyer belt and is delivered in storage bin way,
It is uniform to hot blast is blowed on belt conveyer by airduct using waste-heat recovery device recovery section hot-air, absorption is existed
Moisture drying on glass.
2. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
In step (1), in terms of weight/mass percentage composition, the composition of each raw material is：
3. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
In step (2), found and carried out in melting furnaces, melting furnaces use energy-saving glass industrial flame tank furnace, compound is founded in kiln pond,
Naked light is heated on metal level top；The glass melting temperature of glass is at 1300~1600 DEG C.
4. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
In step (3), glass is changed into mouldable state by viscous fluid first, then is transformed into fragility solid-state；Using the vertical derivative method of feed
Product is in hollow glass tube state after blow-molded glass pipe, shaping.
5. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
In step (4), supplied water using recirculating cooling water system, quenching water temperature is below 70 DEG C.
6. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
The machine for fishing out is scraper plate machine for fishing out.
7. the preparation method of high-performance borosilicate foam glass special raw material glass according to claim 1, it is characterised in that：
In step (5), 2 hot blast temperatures blowed are 250 DEG C~300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451633.8A CN107056050B (en) | 2017-06-15 | 2017-06-15 | Preparation method of special raw material glass for high-performance borosilicate foam glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451633.8A CN107056050B (en) | 2017-06-15 | 2017-06-15 | Preparation method of special raw material glass for high-performance borosilicate foam glass |
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| Publication Number | Publication Date |
|---|---|
| CN107056050A true CN107056050A (en) | 2017-08-18 |
| CN107056050B CN107056050B (en) | 2019-12-10 |
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|---|---|---|---|
| CN201710451633.8A Active CN107056050B (en) | 2017-06-15 | 2017-06-15 | Preparation method of special raw material glass for high-performance borosilicate foam glass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574354A (en) * | 2017-09-18 | 2018-01-12 | 张家港伟宇工艺玻璃制品有限公司 | A kind of high-strength composite artistic glass preparation method |
| CN107986634A (en) * | 2017-12-16 | 2018-05-04 | 常熟市赛蒂镶嵌玻璃制品有限公司 | The high method for glass preparation of security system |
| CN112811822A (en) * | 2021-02-08 | 2021-05-18 | 廊坊新时代化工建材有限公司 | High borosilicate foam glass and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306920A (en) * | 2008-06-30 | 2008-11-19 | 浙江振申绝热科技有限公司 | Production raw material of foamed glass and process for producing foamed glass |
| CN101531462A (en) * | 2009-04-10 | 2009-09-16 | 北京工业大学 | Method for preparing borosilicate foam glass |
| CN203037026U (en) * | 2013-01-22 | 2013-07-03 | 安徽汇昌新材料有限公司 | Cullet drying device for foam glass production |
-
2017
- 2017-06-15 CN CN201710451633.8A patent/CN107056050B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306920A (en) * | 2008-06-30 | 2008-11-19 | 浙江振申绝热科技有限公司 | Production raw material of foamed glass and process for producing foamed glass |
| CN101531462A (en) * | 2009-04-10 | 2009-09-16 | 北京工业大学 | Method for preparing borosilicate foam glass |
| CN203037026U (en) * | 2013-01-22 | 2013-07-03 | 安徽汇昌新材料有限公司 | Cullet drying device for foam glass production |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574354A (en) * | 2017-09-18 | 2018-01-12 | 张家港伟宇工艺玻璃制品有限公司 | A kind of high-strength composite artistic glass preparation method |
| CN107986634A (en) * | 2017-12-16 | 2018-05-04 | 常熟市赛蒂镶嵌玻璃制品有限公司 | The high method for glass preparation of security system |
| CN112811822A (en) * | 2021-02-08 | 2021-05-18 | 廊坊新时代化工建材有限公司 | High borosilicate foam glass and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107056050B (en) | 2019-12-10 |
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