CN108623148A - A kind of solar energy glass pipe preparation process - Google Patents
A kind of solar energy glass pipe preparation process Download PDFInfo
- Publication number
- CN108623148A CN108623148A CN201710151881.0A CN201710151881A CN108623148A CN 108623148 A CN108623148 A CN 108623148A CN 201710151881 A CN201710151881 A CN 201710151881A CN 108623148 A CN108623148 A CN 108623148A
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- CN
- China
- Prior art keywords
- temperature
- solar energy
- glass
- glass pipe
- annealing
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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
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/10—Construction of plunger or mould for making hollow or semi-hollow articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a kind of preparation processes of solar energy glass pipe, its key step includes that dispensing melt shaping glass tubes burn side annealing, the solar energy glass pipe transparency that it is prepared is high, light-weight, the addition of aluminium oxide and magnesia can improve the mechanical strength of solar energy glass pipe, boric acid and calcium oxide can increase its mechanical property, meanwhile, reduce the probability that glass tube is burst, its technological process is simple, suitable for mass production.
Description
Technical field
The present invention relates to Production of Glass technical fields, are specifically related to a kind of solar energy glass pipe preparation process.
Background technology
Solar energy glass pipe itself is a kind of new product, and production and application technology are all among continuous exploration and improving.
In recent years, the engineering design of China's solar energy glass pipe, coordinative composition of equipments and production technology are increasingly ripe, and the country is created in the life built
Producing line majority all realizes production domesticization.One kiln, two line, the large-scale kiln design and construction of four line of a kiln and production technology also are subjected to
The inspection of practice.Solar energy glass pipe enterprise of the country is all not less than in terms of yield rate and product all technical now
Overseas enterprise.
But there is many deficiencies, mechanical strength and mechanical property Shortcomings for solar energy glass pipe at present, and prepare
Glass tube be easy to burst etc..
Invention content
The present invention in view of the above technical problems, provides a kind of solar energy glass pipe preparation process, the solar energy prepared
Glass tube transparency is high, light-weight, and additions of aluminium oxide and magnesia can improve the mechanical strength of solar energy glass pipe, boric acid with
Calcium oxide can increase its mechanical property, meanwhile, the probability that glass tube is burst is reduced, technological process is simple, suitable for mass production.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of high brightness solar energy glass pipe, which is characterized in that its step includes：
（1）Dispensing
By silica, boric acid, boric acid, aluminium oxide, salt according to mass ratio be 3:1:0.5:0.2:0.01 ratio is matched
Material, the material prepared is mixed in blender even, and the speed of blender is 90-110r/min, mixing time 25-30min；
（2）Melt
It adds mixture into smelting furnace, carries out high temperature melting, temperature melts 7.5-8.5h at 1200-1600 DEG C；
（3）Shaping glass tubes
The material automatic feed of fusing enters mould, and external mold is molded by interior, frit extrusion forming, inlet amount 50-80L/
Min, pressing pressure 65-90KPa;
（4）Burn side
Depanning when glass is cooled to 450-650 DEG C, depanning glass will carry out burning side, and it is 1100-1250 DEG C to burn side temperature；
（5）Annealing
It anneals to glass in annealing device, first section temperature is 500-600 DEG C, and end temperature is in 50-70 DEG C, anneal duration
2.5-3.5h。
Preferably, in the step 2, melt temperature is 1300 DEG C, in the step 3, preheats, preheats to mold
Temperature is 300 DEG C.
Preferably, in the step 5, just section temperature of annealing is set as 600 DEG C.
Beneficial effects of the present invention：Its solar energy glass pipe transparency height, light-weight, aluminium oxide and the magnesia prepared
Addition can improve the mechanical strength of solar energy glass pipe, boric acid and calcium oxide can increase its mechanical property, while melt temperature
It it is 1300 DEG C, which is higher than highest fusing point in raw material, can thoroughly melt raw material；Mold is preheated, preheating temperature
Degree is 300 DEG C, can prevent sudden raising temperature from mold is burst in this way；Just section temperature is set as 600 DEG C for annealing, should
At a temperature of just section annealing can reduce the probability that glass tube is burst to the greatest extent.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, the present invention is carried out
It is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit
The present invention.
A kind of high brightness solar energy glass pipe, which is characterized in that its step includes：
（1）Dispensing
By silica, boric acid, boric acid, aluminium oxide, salt according to mass ratio be 3:1:0.5:0.2:0.01 ratio is matched
Material, the material prepared is mixed in blender even, and the speed of blender is 90-110r/min, mixing time 25-30min；
（2）Melt
It adds mixture into smelting furnace, carries out high temperature melting, temperature melts 7.5-8.5h at 1200-1600 DEG C；
（3）Shaping glass tubes
The material automatic feed of fusing enters mould, and external mold is molded by interior, frit extrusion forming, inlet amount 50-80L/
Min, pressing pressure 65-90KPa;
（4）Burn side
Depanning when glass is cooled to 450-650 DEG C, depanning glass will carry out burning side, and it is 1100-1250 DEG C to burn side temperature；
（5）Annealing
It anneals to glass in annealing device, first section temperature is 500-600 DEG C, and end temperature is in 50-70 DEG C, anneal duration
2.5-3.5h。
Wherein, in the step 2, melt temperature is 1300 DEG C, in the step 3, is preheated to mold, preheating temperature
It is 300 DEG C.
Wherein, in the step 5, just section temperature of annealing is set as 600 DEG C.
Embodiment 1
A kind of high brightness solar energy glass pipe, which is characterized in that its step includes：
（1）Dispensing
By silica, boric acid, boric acid, aluminium oxide, salt according to mass ratio be 3:1:0.5:0.2:0.01 ratio is matched
Material, the material prepared is mixed in blender even, and the speed of blender is 100r/min, mixing time 30min；
（2）Melt
It adds mixture into smelting furnace, carries out high temperature melting, temperature melts 7.5h at 1200 DEG C；
（3）Shaping glass tubes
The material automatic feed of fusing enters mould, and external mold is molded by interior, frit extrusion forming, inlet amount 60L/min, pressure
Pressing pressure is 70KPa;
（4）Burn side
Depanning when glass is cooled to 500 DEG C, depanning glass will carry out burning side, and it is 1100 DEG C to burn side temperature；
（5）Annealing
It anneals to glass in annealing device, first section temperature is 500 DEG C, and end temperature is at 50 DEG C, anneal duration 2.5h.
Wherein, in the step 2, melt temperature is 1300 DEG C, in the step 3, is preheated to mold, preheating temperature
It is 300 DEG C.
Wherein, in the step 5, just section temperature of annealing is set as 600 DEG C.
Embodiment 2
A kind of high brightness solar energy glass pipe, which is characterized in that its step includes：
（1）Dispensing
By silica, boric acid, boric acid, aluminium oxide, salt according to mass ratio be 3:1:0.5:0.2:0.01 ratio is matched
Material, the material prepared is mixed in blender even, and the speed of blender is 110r/min, mixing time 30min；
（2）Melt
It adds mixture into smelting furnace, carries out high temperature melting, temperature melts 8.5h at 1600 DEG C；
（3）Shaping glass tubes
The material automatic feed of fusing enters mould, and external mold is molded by interior, frit extrusion forming, inlet amount 80L/min, pressure
Pressing pressure is 80KPa;
（4）Burn side
Depanning when glass is cooled to 600 DEG C, depanning glass will carry out burning side, and it is 1250 DEG C to burn side temperature；
（5）Annealing
It anneals to glass in annealing device, first section temperature is 600 DEG C, and end temperature is at 70 DEG C, anneal duration 3.5h.
Wherein, in the step 2, melt temperature is 1300 DEG C, in the step 3, is preheated to mold, preheating temperature
It is 300 DEG C.
Wherein, in the step 5, just section temperature of annealing is set as 600 DEG C.
Prior art index is compared according to embodiment, in contrast the present invention has significantly superiority.What it was prepared
Solar energy glass pipe transparency is high, light-weight, and the addition of aluminium oxide and magnesia can improve the mechanical strength of solar energy glass pipe,
Boric acid and calcium oxide can increase its mechanical property, while melt temperature is 1300 DEG C, which is higher than highest fusing point in raw material,
Raw material can thoroughly be melted；Mold is preheated, preheating temperature is 300 DEG C, can prevent sudden raising temperature in this way
Degree is so that mold is burst；Just section temperature is set as 600 DEG C for annealing, and just section annealing at this temperature can reduce glass tube to the greatest extent
The probability burst.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (3)
1. a kind of high brightness solar energy glass pipe, which is characterized in that its step includes：
（1）Dispensing
By silica, boric acid, boric acid, aluminium oxide, salt according to mass ratio be 3:1:0.5:0.2:0.01 ratio is matched
Material, the material prepared is mixed in blender even, and the speed of blender is 90-110r/min, mixing time 25-30min；
（2）Melt
It adds mixture into smelting furnace, carries out high temperature melting, temperature melts 7.5-8.5h at 1200-1600 DEG C；
（3）Shaping glass tubes
The material automatic feed of fusing enters mould, and external mold is molded by interior, frit extrusion forming, inlet amount 50-80L/
Min, pressing pressure 65-90KPa;
（4）Burn side
Depanning when glass is cooled to 450-650 DEG C, depanning glass will carry out burning side, and it is 1100-1250 DEG C to burn side temperature；
（5）Annealing
It anneals to glass in annealing device, first section temperature is 500-600 DEG C, and end temperature is in 50-70 DEG C, anneal duration
2.5-3.5h。
2. a kind of high brightness solar energy glass pipe as described in claim 1, it is characterised in that in the step 2, melt temperature
Degree is 1300 DEG C, in the step 3, is preheated to mold, and preheating temperature is 300 DEG C.
3. a kind of high brightness solar energy glass pipe as described in claim 1, it is characterised in that in the step 5, annealing is just
Duan Wendu is set as 600 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151881.0A CN108623148A (en) | 2017-03-15 | 2017-03-15 | A kind of solar energy glass pipe preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151881.0A CN108623148A (en) | 2017-03-15 | 2017-03-15 | A kind of solar energy glass pipe preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108623148A true CN108623148A (en) | 2018-10-09 |
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ID=63686370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151881.0A Pending CN108623148A (en) | 2017-03-15 | 2017-03-15 | A kind of solar energy glass pipe preparation process |
Country Status (1)
| Country | Link |
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| CN (1) | CN108623148A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478216A (en) * | 2014-11-19 | 2015-04-01 | 厦门龙威玻璃制品有限公司 | Composition and preparation method of high-strength heat-resistant glass vessel |
| CN104909565A (en) * | 2015-05-20 | 2015-09-16 | 安徽力华光电玻璃科技有限公司 | High-brightness solar glass tube |
| CN104926111A (en) * | 2015-05-20 | 2015-09-23 | 安徽力华光电玻璃科技有限公司 | Process for preparing solar glass tube |
-
2017
- 2017-03-15 CN CN201710151881.0A patent/CN108623148A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478216A (en) * | 2014-11-19 | 2015-04-01 | 厦门龙威玻璃制品有限公司 | Composition and preparation method of high-strength heat-resistant glass vessel |
| CN104909565A (en) * | 2015-05-20 | 2015-09-16 | 安徽力华光电玻璃科技有限公司 | High-brightness solar glass tube |
| CN104926111A (en) * | 2015-05-20 | 2015-09-23 | 安徽力华光电玻璃科技有限公司 | Process for preparing solar glass tube |
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Application publication date: 20181009 |