CN101717185B - Color development enhancing method for glass - Google Patents
Color development enhancing method for glass Download PDFInfo
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- CN101717185B CN101717185B CN2009102368604A CN200910236860A CN101717185B CN 101717185 B CN101717185 B CN 101717185B CN 2009102368604 A CN2009102368604 A CN 2009102368604A CN 200910236860 A CN200910236860 A CN 200910236860A CN 101717185 B CN101717185 B CN 101717185B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention relates to a color development enhancing method for glass, belongs to the technical field of glass processing and is mainly used for signal glass or filter glass. The method comprises the following steps: preparing a glass product according to the glass composition, performing color development treatment, then quickly putting the glass product into a liquid cooling medium to be cooled, taking the glass product out to be cooled naturally, and cleaning and drying the glass lamp. The liquid medium is oil of which the relative viscosity is 30 to 100 Pa.s and the flashing point is 220 to 310 DEG C, and the oil comprises mineral oil, molten potassium nitrate, molten sodium nitrate and silicone oil. The colored glass after the color development enhancing treatment becomes heat-resistant glass so as to not only improve the coloring evenness, glass strength and thermal stability, but also enlarge the application ranges of the signal glass and the filter glass. The color development enhancing method for the glass has the characteristics of simple operation, low cost, high finished product rate and good repeatability, and is suitable for industrialized mass production.
Description
Technical field
The invention belongs to the glass processing technical field, particularly be used for the colour developing enhancement techniques of signal glass or filter glass, to improve glass coloring homogeneity, strength of glass and thermostability.
Background technology
The painted glass of selenium Cadmium Sulfide has special spectral response curve, at first is that color is pure, bright-coloured, transmitance is high, absorption curves precipitous (absorption and clearly demarcated through boundary).Can in very narrow wave band, make transsmissivity almost reach peak by zero, very rare in the absorption curves of coloured glass.Another characteristics are that the colour-change of this type glass has continuity.Glass colour changes orange, red and dark red into by Huang, and absorption curves moves to long wave, can make a series of colors from 520～760nm wavelength.At last, maximum transmission can be greater than 90% (sample thickness be in 2mm) in passing through visible-range, and can both keep maximum transmitance up to the near-infrared region, is lower than to absorb the long light of notch and can all absorb.Owing to use the painted glass of selenium Cadmium Sulfide to have These characteristics,, obvious superiority arranged in practical application so compare with using the similar coloured glass that other tinting material obtained.It is the good material of making signal glass and filter glass.
Ask for something such as signal glass and filter glass high product must be carried out secondary color and handled in special coloring furnace, the needed curve of spectrum of acquisition under the colour temp of regulation (like red glass at 700 ℃) and time.But, in this developing technology, after the color development treatment, be difficult to keep the unanimity of glass each several part (like the different zones of goods) rate of temperature fall in the glasswork temperature-fall period, cause the uniform coloring property of product relatively poor thus; On the other hand, production efficiency is not high, is inappropriate for commercial scale prodn.
Summary of the invention
In view of the problem that secondary color exists in handling, primary and foremost purpose of the present invention is to provide a kind of and makes the glass coloring good uniformity and can improve strength of glass and thermostability, economic benefit height, glass color development enhancing method that production efficiency is high.
The color development enhancing method of this glass, be with the signal glass of having processed or filter glass after color development treatment, put into liquid cooling medium rapidly and cool off, and then take out naturally cooling.
Wherein, said liquid medium is the oils of 220～310 ℃ of relative viscosity 30～100Pas, flash-point, comprises MO, fused potassium nitrate, fusion SODIUMNITRATE and silicone oil.
Among the present invention, said glass is borosilicate danger signal glass, and color development treatment continues 10-20 minute in 660-720 ℃ of electric furnace, and liquid cooling medium is pure KNO
3Fused salt or NaNO
3Fused salt, temperature of molten salt are 330-420 ℃, and be 5-10 minute cooling time.
Borosilicate danger signal glass consists of SiO by weight percentage
2: 68%; Al
2O
3: 3%; B
2O
3: 10%; Na
2O:5%; K
2O:4%; ZnO:10%; CdS:1.2%; Se:0.5%.
It is 100 grams, size Φ 80 * 50mm that the danger signal glass becomes weight; Wall thickness is the glass light fixture of 3mm; The glass light fixture is put into the heatproof frock, frock is hung in 660-720 ℃ of electric furnace continue to carry out color development treatment in 10-20 minute, put into 330-420 ℃ of KNO then rapidly
3Cooling is 5-10 minute in the fused salt, from fused salt, takes out glass light fixture naturally cooling, to the glass light fixture clean, drying.
Among the present invention, said glass also can be Yellow filter glass, consists of SiO by weight percentage
2: 66.8%; B
2O
3: 3%; Na
2O:9%; K
2O:11%; ZnO:13%; CdS:1.3%; Se:0.001%; Said Yellow filter glass is processed the Glass lamp tool; The glass light fixture is put into the heatproof frock; Frock hung in 530 ℃ of electric furnaces continue to carry out in 20 minutes color development treatment; Put into 280 ℃ of silicone oils cooling 5 minutes then rapidly, take out glass light fixture naturally cooling again, to the glass light fixture clean, drying.
Another purpose of the present invention is to provide the colored thermal glass for preparing with aforesaid method.
This colored thermal glass, transmitance reaches 28.5%; Uniform coloring property is good, and chromaticity distortion is less than 0.01; Bending strength is brought up to 140～180Mpa by 60-70MPa; Thermostability improves 40～60 ℃.
This colour thermal glass is red or yellow thermal glass, and the glass of different colours is formed and the above-mentioned associated viscera of treatment process reference.
The present invention is purpose also, provides the colored thermal glass goods of being processed by above-mentioned colored thermal glass, and these goods can be for being used for the heat-resisting SL or the heat-resisting sight glass of aircraft, naval vessel, vessel, various high-end fields such as explosion-proof.
Adopt above design, glass color development enhancing method provided by the invention has characteristics simple to operate, with low cost and that production efficiency is high, will help expanding the range of application of signal glass and filter glass.Its significant technique effect also comprises:
(1) with the basic components of borosilicate glass as danger signal glass, it is painted to adopt cadmium sulfoselenide to carry out, and obtains the good danger signal glass of optics and physicochemical property.Through the colour developing enhancement process; When guaranteeing the signal glass uniform coloring; Strength of glass and thermostability have been improved; Can be used as thermal glass and use,, thereby enlarged the range of application of signal and filter glass as the signal glass and the filter glass (processing for example red eye, red sight glass etc.) of aircraft, naval vessel, vessel, various high-end fields such as explosion-proof.The yellow heat-resisting filter glass that the present invention obtains; Can be used as the signal glass and the filter glass (processing for example amber lamp, yellow sight glass etc.) of aircraft, naval vessel, vessel, various high-end fields such as explosion-proof, enlarge the range of application of original signal and filter glass.
(2) there are certain influence colour temp and time to the signal glass spectral response curve, and the most remarkable with Influence of Temperature.The present invention is according to the cadmium sulfoselenide coloring mechanism, through the influence to the signal glass spectral response curve of research colour temp, time, takes to adjust the method for colour developing processing parameter, can obtain the needed curve of spectrum.
(3) the present invention cools off rapidly through putting into liquid cooling medium after the glass color development treatment, makes that in whole technological process the rate of temperature fall of glass each several part (like internal layer and skin) is in full accord, has guaranteed uniform coloring property; Refrigerative has also carried out the liquid enhancement process to glass simultaneously, and it is original more than 2 times that strength of glass is brought up to; Thermostability has improved 30-60 ℃.
(4) adopt the develop the color thermal glass uniform coloring of enhancement techniques of the present invention, curve of spectrum good reproducibility, yield rate is high.This technological operation is simple, and production efficiency is high, the suitability for industrialized scale prodn.
Description of drawings
Fig. 1 is the technological process of expression stained glass color development enhancing method of the present invention.
Fig. 2 is the graph of a relation (developing time 20 minutes) of expression colour temp and glass light spectral curve.
Fig. 3 is the spectral curve (660 ℃ of colour temps, developing time 20 minutes) of the expression embodiment of the invention 1 red heat-resisting signal glass.
Fig. 4 is the spectral curve (530 ℃ of colour temps, developing time 20 minutes) of the expression embodiment of the invention 6 yellow heat-resisting filter glasses.
Embodiment
The present invention a kind of glass colour developing enhancement techniques is provided, thereby acquisition uniform coloring property is good, strength of glass is high and the colored heat-resisting signal glass of Heat stability is good from solving existing signal glass and relatively poor the starting with of filter glass uniform coloring property.
The present invention can handle existing danger signal glasswork, and with the basic components of borosilicate glass as danger signal glass, it is painted to adopt cadmium sulfoselenide to carry out, and processes glasswork in a usual manner.The danger signal frit that the present invention adopts is formed can be (by wt%): SiO
2: 68～72%; Al
2O
3: 2～5%; B
2O
3: 8～12%; Na
2O:5～10%; K
2O:2～6%; ZnO:8～12%; CdS:1～3%; Se:0.3～1%.
The present invention can also handle existing Yellow filter glasswork, uses the Yellow filter glass ingredient, is SiO to form proportioning (wt%) for example
2: 66.8%; B
2O
3: 3%; Na
2O:9%; K
2O:11%; ZnO:13%; CdS:1.3%; The glasswork that Se:0.001% processes.
Afterwards, the present invention carries out the secondary color processing to glasswork in a usual manner; After the glasswork color development treatment, put into liquid cooling medium earlier and cool off rapidly, and then take out naturally cooling.To danger signal glass, cooling temperature is 330-420 ℃, and to Yellow filter glass, cooling temperature is 280 ℃, and the time is 5-10 minute.After from heat-eliminating medium, taking out the glass light fixture, to the glass light fixture clean, drying, thereby obtain spectral response curve and the good colored thermal glass light fixture of physicochemical property.The technological process of stained glass color development enhancing method is referring to shown in Figure 1.
In the present invention, adopt for example KNO of liquid cooling medium
3Fused salt, MO, fusion SODIUMNITRATE and silicone wet goods cool off the color development treatment glasswork, in even cooled glass, also glass have been played enhancement:
Glass is a kind of hard brittle material, because the existence of defectives such as crizzle makes the actual strength of glass more much lower than theoretical strength, so its range of application receives certain restriction.For mechanical property and the thermostability of improving it, improve the physicochemical property of glass, adopt the physics enhancement process to realize.The physics enhancement process is through glass heats cooling rapidly after the optimal temperature, and glass surface is sharply shunk, and produce stress, and the cooling of glass middle level is slower, also has little time to shrink, so form tension stress, makes the higher intensity of glass acquisition.The physics Enhancement Method is a lot, divides by heat-eliminating medium, can be divided into: particulate strengthens method, and liquid medium strengthens method and gaseous media strengthens method.The present invention is directed to specific stained glass studies; Find because the thermal conductivity of liquid is higher several times even tens times than air; So adopt liquid to help to improve the reinforced effects of glass as heat-eliminating medium; And know that through experiment liquid medium preferably uses the oils of 220～310 ℃ of relative viscosity 30～100Pas, flash-point, like MO, fused potassium nitrate, fusion SODIUMNITRATE and silicone wet goods.
Concrete; For danger signal glass or Yellow filter glass light fixture; Can utilize color development treatment temperature and liquid to strengthen the close characteristics (like about 700 ℃ of danger signal glass) of Heating temperature; At first the stained glass light fixture is carried out color development treatment, the heat-eliminating medium of putting into certain temperature then cools off rapidly.In this process of cooling, the rate of temperature fall of glass light fixture each several part is in full accord, has guaranteed uniform coloring property; And at refrigerative simultaneously, the glass light fixture has been accomplished the liquid enhancement process, thereby improved glass light fixture intensity and thermostability, obtained the thermal glass light fixture.
Below will the present invention be detailed with embodiment, the technological process of embodiment is referring to shown in Figure 1.These embodiment are to of the present invention further specifying and unrestricted.
Embodiment 1
1) will form proportioning (wt%) and be SiO
2: 68%; Al
2O
3: 3%; B
2O
3: 10%; Na
2O:5%; K
2O:4%; ZnO:10%; CdS:1.2%; Se:0.5%.Mix, place corundum crucible, 1400～1550 ℃ found after, 1300 ℃ of compression moulding weight be 100 the gram several glass light fixtures, be of a size of Φ 80 * 50mm, wall thickness is 3mm.Glass light fixture bayonet socket after the annealing is ground, in order to the colour developing enhancement process.
2) adopt 100wt%KNO
3As fused salt, in electric furnace, melt, and subsequent use more than the clarification 24h.
3) the glass light fixture of step 1) being processed is put into the heatproof frock, frock is hung in 660 ℃ of electric furnaces of temperature carry out color development treatment, developing time 20 minutes.Then, from electric furnace, take out the KNO that frock is put into 100wt% rapidly
3In the fused salt, temperature of molten salt is 380 ℃, and the time is 5 minutes.
4) from fused salt, take out the glass light fixture, naturally cooling, to the glass light fixture clean, drying obtains the red thermal glass light fixture of product.
The preparation of reference substance: the glass light fixture that step 1) is processed is put into the heatproof frock, frock is hung in 660 ℃ of electric furnaces of temperature carry out color development treatment, developing time 20 minutes.Then, close the electric furnace naturally cooling and obtain reference substance red glass light fixture.
With reference to HB6441 " the general requirement of airplane lighting color and signal lamp color ", GB/T5137.2 " automotive safety glass TP second section: optical property test ", GJB150.5 " temperature shock test " and three-point bending strength testing method product and reference substance are detected.The result is referring to table 1:
Table 1
| Test item | Standard | Product | Reference substance |
| Cutoff wavelength | HB6441 | 440nm | 420-450nm |
| Transmitance | GB/T5137.2 | 28.5％ | 25.3％ |
| Uniform coloring property | HB6441 | X colourity＜0.01 | X colourity＞0.3 |
| Bending strength | Three-point bending method | 140Mpa | 60-70Mpa |
| Thermostability | GJB150.5 | 190℃ | 150℃ |
| Deformation rate | - | There is not distortion | There is not distortion |
| Yield rate | - | High | Low |
Annotate: the examination of uniform coloring property, examine through the chromaticity distortion of compared products different zones; The singularity of lampshade shape only makes an experiment to the intensity of glass material own in bending strength test.
The curve of spectrum of the red heat-resisting signal glass that embodiment 1 obtains is referring to Fig. 3.
Detection shows: embodiment of the invention product cutoff wavelength 440nm, and transmitance reaches 28.5%; Uniform coloring property is good, and chromaticity distortion is less than 0.01; Bending strength is brought up to 140Mpa by the 60-70MPa of reference substance; Thermostability has improved 40 ℃.Do not deform, yield rate is high.This product can be used as the thermal glass light fixture and uses at aircraft, naval vessel and special dimension such as explosion-proof, and reference substance can only use as the filter glass of ordinary luminaire.
Embodiment 2
Adopt the step identical with embodiment 1.Wherein do not exist together and carry out color development treatment at 670 ℃ of electric furnaces of temperature, developing time 20 minutes in the step 3) glass light fixture being put into the heatproof frock.
Detect according to the detection method of the embodiment product to embodiment 2, data are listed in table 2.
Embodiment 3
Adopt the step identical with embodiment 1.Wherein do not exist together and carry out color development treatment at 680 ℃ of electric furnaces of temperature, developing time 20 minutes in the step 3) glass light fixture being put into the heatproof frock.
Detect according to the detection method of the embodiment product to embodiment 3, data are listed in table 2.
Embodiment 4
Adopt the step identical with embodiment 1.Wherein do not exist together and carry out color development treatment at 700 ℃ of electric furnaces of temperature, developing time 20 minutes in the step 3) glass light fixture being put into the heatproof frock.
Detect according to the detection method of the embodiment product to embodiment 4, data are listed in table 2.
Embodiment 5
Adopt the step identical with embodiment 1.Wherein do not exist together and carry out color development treatment at 720 ℃ of electric furnaces of temperature, developing time 20 minutes in the step 3) glass light fixture being put into the heatproof frock.
Detect according to the detection method of the embodiment product to embodiment 2～5, data are listed in table 2.
Table 2
| Test item | Example 2 products | Example 3 products | Example 4 products | Example 5 products |
| Cutoff wavelength | ?470nm | 510nm | 520nm | 530nm |
| Transmitance | ?26.4％ | 23.8％ | 22.6％ | 19.7％ |
| Uniform coloring property | X colourity＜0.01 | X colourity＜0.01 | X colourity＜0.01 | X colourity＜0.01 |
| Bending strength | ?150Mpa | 164Mpa | 180Mpa | 150Mpa |
| Thermostability | ?+50℃ | +60℃ | +60℃ | +50℃ |
| Deformation rate | There is not distortion | There is not distortion | Distortion is arranged | Distortion is serious |
| Yield rate | High | Higher | Lower | Low |
Annotate: the examination of uniform coloring property, examine through the chromaticity distortion of compared products different zones; The singularity of lampshade shape only makes an experiment to the intensity of glass material own in bending strength test.
Embodiment 1～5 is that the red thermal glass light fixture of 3mm is that example is described color development enhancing method of the present invention with the preparation wall thickness.Data presentation, the equal conformance with standard of the transmitance of all embodiment products, uniform coloring property is good, and chromaticity distortion is all less than 0.01, and bending strength, thermostability are significantly increased, and become the thermal glass light fixture that is applicable in aircraft, naval vessel and the special dimension such as explosion-proof.
On the other hand, with the data drafting colour temp of embodiment 1 to 5 and the graph of a relation of glass light spectral curve,, show that the colour temp of glass color development treatment and time are influential to the glass light spectral property referring to Fig. 2.Through this type of curve of spectrum, can obtain the glasswork of needed spectral response curve and intensity through the adjustment colour temp.
Embodiment 6: yellow heat-resisting filter glass light fixture
1) will form proportioning (wt%) and be SiO
2: 66.8%; B
2O
3: 3%; Na
2O:9%; K
2O:11%; ZnO:13%; CdS:1.3%; Se:0.001%.Mix, place corundum crucible, 1350～1450 ℃ found after, 1240 ℃ of compression moulding weight be 100 the gram several glass light fixtures, be of a size of Φ 80 * 50mm, wall thickness is 3mm.Glass light fixture bayonet socket after the annealing is ground.
2) adopt organic silicone oil-silicone oil as heat-eliminating medium, in electric furnace, be warming up to 280 ℃ of insulations.
3) the glass light fixture of step 1) being processed is put into the heatproof frock, frock is hung in 530 ℃ of electric furnaces of temperature carry out color development treatment, developing time 20 minutes.Then, from electric furnace, take out frock and put into the organic silicone oil fused salt rapidly, temperature is 280 ℃, and the time is 5 minutes.
4) from fused salt, take out the glass light fixture, naturally cooling, to the glass light fixture clean, drying obtains the yellow heat-resisting filter glass light fixture of product.
The preparation of reference substance: the glass light fixture that step 1) is processed is put into the heatproof frock, frock is hung in 530 ℃ of electric furnaces of temperature carry out color development treatment, developing time 20 minutes.Then, close the electric furnace naturally cooling and obtain reference substance Yellow filter glass light fixture.
Detect according to the detection method of embodiment 1 product and the reference substance to embodiment 6, data are listed in table 3.
Table 3
| Test item | Standard | Product | Reference substance |
| Cutoff wavelength | HB6441 | 400nm | 385-420nm |
| Transmitance | GB/T5137.2 | 34.8％ | 33.5％ |
| Uniform coloring property | HB6441 | X colourity＜0.01 | X colourity＞0.3 |
| Bending strength | Three-point bending method | 160Mpa | 60-70Mpa |
| Thermostability | GJB150.5 | 190℃ | 130℃ |
| Deformation rate | - | There is not distortion | There is not distortion |
| Yield rate | - | Office | Low |
Annotate: the examination of uniform coloring property, examine through the chromaticity distortion of compared products different zones; The singularity of lampshade shape only makes an experiment to the intensity of glass material own in bending strength test.
The curve of spectrum of embodiment 6 yellow heat-resisting filter glasses is referring to Fig. 4.
Detection shows: the present invention is that embodiment describes color development enhancing method of the present invention to prepare yellow heat-resisting filter glass light fixture.Product cutoff wavelength 400nm, transmitance reaches 34.8%; Uniform coloring property is good, and chromaticity distortion is less than 0.01; Bending strength is brought up to 160Mpa by 60-70MPa; Thermostability improves 60 ℃.Do not deform, yield rate is high.The heat-resisting filter glass light fixture of this yellow also can be used for the thermal glass light fixture in aircraft, naval vessel and the special dimension such as explosion-proof.
Embodiment 7
Adopt the step identical with embodiment 1.Wherein do not exist together in the step 3) glass light fixture being taken out the KNO that frock is put into 100wt% rapidly from the colour developing electric furnace
3In the fused salt, temperature of molten salt is 330 ℃, and the time is 5 minutes.
Detect according to the detection method of the embodiment product to embodiment 7, data are listed in table 4.
Embodiment 8
Adopt the step identical with embodiment 1.Wherein do not exist together in the step 3) glass light fixture being taken out the KNO that frock is put into 100wt% rapidly from the colour developing electric furnace
3In the fused salt, temperature of molten salt is 420 ℃, and the time is 5 minutes.
Detect according to the detection method of the embodiment product to embodiment 8, data are listed in table 4.
Table 4
| Test item | Example 7 products | Example 8 products |
| Cutoff wavelength | ?435nm | 450nm |
| Transmitance | ?29.1％ | 27.6％ |
| Uniform coloring property | X colourity＜0.01 | X colourity＜0.01 |
| Bending strength | ?180Mpa | 143Mpa |
| Thermostability | ?+60℃ | +35℃ |
| Deformation rate | There is not distortion | There is not distortion |
| Yield rate | Lower | High |
Annotate: the examination of uniform coloring property, examine through the chromaticity distortion of compared products different zones; The singularity of lampshade shape only makes an experiment to the intensity of glass material own in bending strength test.
Embodiment 7,8 is that example is described method of the present invention to obtain the red thermal glass light fixture of 3mm further.The test data of embodiment 1,7,8 shows: among the present invention to the temperature of molten salt of danger signal glass enhancement process in 330～420 ℃ of scopes, all can realize colour developing enhancing to this glass; Also prompting on the other hand, temperature of molten salt is understood influential to glass light spectral property, bending strength and thermostability, and therefore, the present invention can obtain the spectral response curve of needs and the glasswork of intensity through the adjustment temperature of molten salt within the specific limits.
Claims (10)
1. the color development enhancing method of a glass is characterized in that, the danger signal glass of having processed after color development treatment, is put into liquid cooling medium rapidly and is cooled off, and then take out naturally cooling;
Said color development treatment continues 10-20 minute in 660-720 ℃ of electric furnace, said liquid cooling medium is pure KNO
3Fused salt or NaNO
3Fused salt, temperature of molten salt are 330-420 ℃, and be 5-10 minute cooling time;
Said danger signal glass consists of SiO by weight percentage
2: 68%; Al
2O
3: 3%; B
2O
3: 10%; Na
2O:5%; K
2O:4%; ZnO:10%; CdS:1.2%; Se:0.5%.
2. according to the color development enhancing method of the said glass of claim 1; It is characterized in that; It is 100 grams, size Φ 80 * 50mm that said danger signal glass becomes weight, and wall thickness is the glass light fixture of 3mm, and the glass light fixture is put into the heatproof frock; Frock hung in 660-720 ℃ of electric furnace continue to carry out color development treatment in 10-20 minute, put into 330-420 ℃ of KNO then rapidly
3Cooling is 5-10 minute in the fused salt, from fused salt, takes out glass light fixture naturally cooling, to the glass light fixture clean, drying.
3. a colored thermal glass is the danger signal glass for preparing with claim 1 or 2 said colour developing enhanced methods.
4. according to the said colored thermal glass of claim 3, it is characterized in that chromaticity distortion is less than 0.01; Bending strength 140～180Mpa; Thermostability improves 40～60 ℃ without the reference substance that liquid cooling medium is handled relatively.
5. colored thermal glass goods is characterized in that, are heat-resisting SL or the heat-resisting sight glass of being processed by claim 3 or 4 said danger signal glass.
6. the color development enhancing method of a glass is characterized in that, the Yellow filter glass of having processed after color development treatment, is put into liquid cooling medium rapidly and is cooled off, and then take out naturally cooling;
Said liquid cooling medium is silicone oil or the MO of 220～310 ℃ of relative viscosity 30～100Pas, flash-point, or is fused potassium nitrate or fusion SODIUMNITRATE;
Said Yellow filter glass consists of SiO by weight percentage
2: 66.8%; B
2O
3: 3%; Na
2O:9%; K
2O:11%; ZnO:13%; CdS:1.3%; Se:0.001%.
7. according to the color development enhancing method of the said glass of claim 6; It is characterized in that said Yellow filter glass is processed the Glass lamp tool, and the glass light fixture is put into the heatproof frock; Frock hung in 530 ℃ of electric furnaces continue to carry out in 20 minutes color development treatment; Put into 280 ℃ of silicone oils cooling 5 minutes then rapidly, take out glass light fixture naturally cooling again, to the glass light fixture clean, drying.
8. a colored thermal glass is the Yellow filter glass for preparing with claim 6 or 7 said color development enhancing methods.
9. said according to Claim 8 colored thermal glass is characterized in that chromaticity distortion is less than 0.01; Bending strength 140～180Mpa.
10. colored thermal glass goods is characterized in that, heat-resisting SL or the heat-resisting sight glass processed by claim 8 or 9 said Yellow filter glass.
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| CN104211291B (en) * | 2013-08-27 | 2016-08-10 | 东旭集团有限公司 | The intensifying method of the aluminoborosilicate ultra thin substrate glass of alkali-free |
| CN105502936B (en) * | 2015-12-28 | 2018-07-06 | 西安工业大学 | The preparation method of large scale chalcogenide infrared glass is prepared based on salt bath quenching method |
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