CN102583970A - Method for founding sample glass under common laboratory condition - Google Patents
Method for founding sample glass under common laboratory condition Download PDFInfo
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- CN102583970A CN102583970A CN2012100165151A CN201210016515A CN102583970A CN 102583970 A CN102583970 A CN 102583970A CN 2012100165151 A CN2012100165151 A CN 2012100165151A CN 201210016515 A CN201210016515 A CN 201210016515A CN 102583970 A CN102583970 A CN 102583970A
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Abstract
The invention relates to a method for founding sample glass under the common laboratory condition. By aiming at the common laboratory condition, the method designs and optimizes the program of founding qualified quality sample glass so as to realize the purposes of obtaining the qualified quality sample glass in a common laboratory and bringing convenience for applying and developing the glass. The method mainly comprises the following steps of: founding an optimized glass raw material to achieve the effect of even ingredient; optimizing the glass forming process to bring convenience for forming the glass, prevent the glass from being polluted and reduce bubbles in the sample glass; and annealing the optimized sample glass to effectively prevent from bursting in the annealing process. According to one or several optimization combinations, the quality of the sample glass obtained under the common laboratory condition can be greatly improved. The method is suitable for the occasions of founding the qualified quality sample glass on a small scale and is widely applied to the application, research and development field of the glass.
Description
Technical field
The present invention relates to a kind of method of making mother glass, a kind of method of under the common lab condition, founding mother glass is provided especially, belong to glass applications research and development field.
Background technology
In glass applications research and development field, new variety glass need be obtained the new variety glass sample in the laboratory before forming large-scale commercial prodn, and each item performance index of specimen glass satisfy new variety glass design requirement.Therefore, found that composition is even, pollution-free, not have visual bubble, do not have the mother glass burst be indispensable prerequisite.
Usually; The process of under laboratory condition, founding mother glass is: according to the correct proportioning raw material of the glass ingredient of designing and developing; Raw material that proportioning is good adds in the crucible, fuses in the temperature controlled high-temperature electric resistance furnace can realizing automatically, and the fused glass metal is shakeout moulding on flat plate mold; Mould and mother glass one coexisted is annealed to normal temperature in the annealing electric furnace, obtains mother glass.With this method manufactured samples glass, often can not satisfy the needs of performance test, glass quality is relatively poor, has following glass quality problem:
1, each position uneven chemical components of mother glass, performance test data is inconsistent, and the reasonable reference data can not be provided.
2, melten glass liquid is when die for molding, is prone to that glass bursts, the glass surface pollution condition.
3, at melten glass liquid when mould pours into, the bubble of platinum crucible wall absorption gets into mother glass easily, causes mother glass visual air pocket to occur, influences the mother glass performance test.
When 4, mould and hot mother glass were together annealed, it was uneven to occur mother glass annealing easily, phenomenon occurs bursting, can not obtain suitable mother glass.
The mother glass inferior quality that this method obtains, the mother glass quality is unstable, and R&D work is wasted time and energy, efficient is low, and the restriction mother glass is used the progress of research and development.
Summary of the invention
The present invention obtains mother glass to existing method exactly and has above-mentioned glass quality defective and deficiency, through design improvement, optimization technology, a kind of method of under the common lab condition, founding mother glass is provided.
It is following that the present invention addresses the above problem the melting method that is adopted: a kind of method of under the common lab condition, founding mother glass; This method comprises the fusion of frit, the moulding of melten glass liquid, three aspects of annealing of mother glass; Wherein in the moulding process of melten glass liquid; Before glass metal casting, with mould and die preheating to 400～600 ℃; When glass metal is cast, crucible is taken out from electric furnace, cooling was carried out the glass metal casting after 5～15 seconds under physical environment.
In the fusion technology of frit, the good frit of design proportioning is put into molten appearance crucible, can realize automatically that temperature controlled high-temperature electric resistance furnace fuses, under the fusion top temperature, carry out one or many and stir, the mixing chamber interval is 10～60 minutes.
Crucible material is one of graphite, corundum, platinum material or combination.
In the moulding process of melten glass liquid, casting die is processed by fire-resistant oxidation resistant material, comprises a bed die and four blocks, and four blocks can move the rectangular parallelepiped casting space that is combined as different size.
In the annealing process of mother glass,, remove the mould block, take out glass sample, put into the annealing electric furnace and anneal when in the mould during moulding of melten glass liquid.
The present invention compares with existing method, has following advantage and effect: 1, found in the process at mother glass and stir, can improve mother glass each several part inequality property, mother glass chemical ingredients homogeneity is in span of control.2, casting die uses fire-resistant oxidation resistant material; Carry out suitable preheating before the die casting, can avoid the too high die surface oxidation of preheating temperature, contaminated samples glass; Also avoid preheating temperature not enough; When cast molding, mould influences outside with the inner temperature difference of mother glass, causes glass to burst.3, mould adopts a bed die and four block structures, can conveniently obtain the mother glass of predetermined dimension.When 4, melten glass liquid is cast, a little time of cooling in air, can make the glass of crucible inwall absorption bubble form retention layer, stop bubble entering mother glass.5, the hot demoulding of mother glass, annealing separately avoids mould to cause the temperature difference that mother glass is outside with inner, causes glass to burst.
Description of drawings
Fig. 1 is the casting die structural representation.
Embodiment:
The frit that the precision weighing proportioning is good adds corundum crucible; Crucible put into can realize automatically that temperature controlled high-temperature electric resistance furnace fuses, high-temperature electric resistance furnace rose to 1450 ℃ of fusion top temperatures with suitable heat-up rate, 1450 ℃ of insulations 3 hours; At holding stage melten glass liquid is stirred fast; To realize the even of glass ingredient, stirring number of times is 3 times, is spaced apart 40 minutes.With mould and die preheating to 500 ℃, (referring to Fig. 1, label 1 is a bed die to take out preheated mold during casting; 2 is block), the crucible that fills melten glass liquid is taken out, cooling is after 5～8 seconds under physical environment; Carry out the glass metal casting; And when observing crucible and pouring into, the bubble situation of glass metal does not have visual bubble.When in the mould during moulding of melten glass liquid, remove mould four sides block, mother glass is moved in the lehre from mold bottom die, anneal with lower cooling rate, until room temperature.The mother glass that takes out after the annealing is observed, and no surface contamination, does not have visual bubble, does not have and burst, and gets glass sample from different positions, and the specimen composition satisfies mother glass performance test demand in reasonable span of control respectively.
Claims (5)
1. method of under the common lab condition, founding mother glass; It is characterized in that: this method comprises the fusion of frit, the moulding of melten glass liquid, three aspects of annealing of mother glass; Wherein in the moulding process of melten glass liquid; Before glass metal casting, with mould and die preheating to 400～600 ℃; When glass metal is cast, crucible is taken out from electric furnace, cooling was carried out the glass metal casting after 5～15 seconds under physical environment.
2. method according to claim 1; It is characterized in that: in the fusion technology of frit; The good frit of design proportioning is put into molten appearance crucible; Can realize automatically that temperature controlled high-temperature electric resistance furnace fuses, under the fusion top temperature, carry out one or many and stir that the mixing chamber interval is 10～60 minutes.
3. method according to claim 2 is characterized in that: crucible material is one of graphite, corundum, platinum material or combination.
4. method according to claim 1; It is characterized in that: in the moulding process of melten glass liquid; Casting die is processed by fire-resistant oxidation resistant material, comprises a bed die and four blocks, and four blocks can move the rectangular parallelepiped casting space that is combined as different size.
5. method according to claim 1 is characterized in that: in the annealing process of mother glass, when in the mould during moulding of melten glass liquid, remove the mould block, take out glass sample, put into the annealing electric furnace and anneal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100165151A CN102583970A (en) | 2012-01-19 | 2012-01-19 | Method for founding sample glass under common laboratory condition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100165151A CN102583970A (en) | 2012-01-19 | 2012-01-19 | Method for founding sample glass under common laboratory condition |
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| CN102583970A true CN102583970A (en) | 2012-07-18 |
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| CN2012100165151A Pending CN102583970A (en) | 2012-01-19 | 2012-01-19 | Method for founding sample glass under common laboratory condition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150744A (en) * | 2014-09-01 | 2014-11-19 | 重庆国际复合材料有限公司 | System for manufacturing glass samples |
| CN106396342A (en) * | 2016-08-31 | 2017-02-15 | 东旭科技集团有限公司 | Method for preparing glass test sample |
| CN109342176A (en) * | 2018-11-06 | 2019-02-15 | 西北工业大学 | A kind of sintering nano silver compression test material preparation device |
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| CN1583627A (en) * | 2004-06-01 | 2005-02-23 | 中国科学院上海光学精密机械研究所 | Manufacturing method for phosphate glass optical waveguide |
| CN1778735A (en) * | 2004-10-21 | 2006-05-31 | 肖特股份公司 | Method and apparatus for casting glass blocks |
| JP2007217251A (en) * | 2006-02-20 | 2007-08-30 | Tsuneji Kokubu | Glass with through-hole and method of manufacturing the same |
| CN101492248A (en) * | 2009-02-27 | 2009-07-29 | 中国科学院上海光学精密机械研究所 | 2 [mu]m laser output thulium tellurate doped glass and optical fiber, and producing method thereof |
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| CN104150744A (en) * | 2014-09-01 | 2014-11-19 | 重庆国际复合材料有限公司 | System for manufacturing glass samples |
| CN106396342A (en) * | 2016-08-31 | 2017-02-15 | 东旭科技集团有限公司 | Method for preparing glass test sample |
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| CN109342176A (en) * | 2018-11-06 | 2019-02-15 | 西北工业大学 | A kind of sintering nano silver compression test material preparation device |
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Effective date of abandoning: 20120718 |
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