CN207175755U - For producing the smelting apparatus of optical glass - Google Patents
For producing the smelting apparatus of optical glass Download PDFInfo
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- CN207175755U CN207175755U CN201720780380.4U CN201720780380U CN207175755U CN 207175755 U CN207175755 U CN 207175755U CN 201720780380 U CN201720780380 U CN 201720780380U CN 207175755 U CN207175755 U CN 207175755U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The utility model belongs to glass melting apparatus field, specifically disclose a kind of smelting apparatus for being used to produce optical glass, it is intended to solve the problems, such as that the optical glass that existing glass melting device is produced can not meet requirement of the high-precision optical instrument to glass transmitance.This is used for the smelting apparatus for producing optical glass, including melting container, heating arrangements and bubbling mechanism, and melting chamber is provided with melting container；The glass brick masonry that the bottom surface of melting chamber and side wall make by quartz glass forms；Heating arrangements include frame and total-oxygen combustor.The glass brick masonry that the inwall of melting chamber is made by quartz glass is surrounded in melting container to form, and be substantially avoided and is caused glass coloration because inwall is corroded by high-temperature glass liquid, ensure that the transmitance of optical glass；Moreover, the smelting apparatus eliminates heated by electrodes structure, the glass coloration because caused by electrode is corroded the coloring impurity pollution glass metal caused in electrode material by high-temperature glass liquid is avoided.
Description
Technical field
The utility model belongs to glass melting apparatus field, and in particular to a kind of melting dress for being used to produce optical glass
Put.
Background technology
Optical glass is as a kind of medium of optical transport, except having strict requirements to the bubble of its inside, calculus, striped
Outside, also there is higher requirement to its transmitance.The transmitance of optical glass is reflection index of the light by glass ability, and light enters
Enter glass, most of light will be absorbed by glass, wherein some light by inside glass, and some light is by glass table
Face reflects away.Therefore, light absorbing amount in glass and light volume reflection are smaller, and the transmission ability of glass is stronger.Typically
For, using the optical instrument of transmission material, require that material possesses higher transmitance greatly.
Research shows that the transmitance of optical glass is closely related with its chemical composition first, secondly with manufacture process craft,
Technology is closely related.After the completion of a kind of optical glass material research and development, its transmitance level is just basic to be determined, if it is desired to is further carried
Its transmitance is risen, technique, the technology of manufacturing process will play a crucial role.
In general, absorption outstanding behaviours of the glass to light is selective absorbing, mainly due to the coloring of inside glass
Caused by element；Some are also easy to produce electron transition with multivalent state transition metal existing for ionic condition in glass, production
Raw variation of valence, so as to produce selective absorbing to visible ray, influence the transmitance of glass.Common coloring element has：Ti、V、
Cr, Mn, Fe, Co, Ni, Cu, Ce, Pr, Nd etc..
Glass melting device is one of key equipment for producing optical glass, existing glass melting device, including inside
Melting container with melting chamber, the heating electrode being vertically arranged in melting chamber and the burning for being arranged on melting container top
Device；Melting container is provided with dog-house, and the discharge end of dog-house is corresponding with the burner of burner；Heat electrode by tin oxide or
Molybdenum is made.Process using existing glass melting device fusing frit is as follows：Frit is continuously put into by dog-house
In the melting chamber of melting container, the combustion flame that the frit of input is sprayed by the burner of upper space heats incipient melting, will
Frit is molten into liquid, and glass metal direct-electrifying is heated by tin oxide or molybdenum electrode, melts glass metal.Electrode adds
During heat fusing glass, with the complicated physicochemical changes such as salt decomposition, the generation of solid-liquid phase in version, double salt, portion
Subregional powdered glass raw material and glass metal coexist, and gas release and Process of absorption or liberation of heat reaction, cause the strong convection of glass metal, right
Melting container, the erosion of electrode are more serious, and the impurity in melting container material and electrode material can enter glass with corroding quickly
In glass liquid, cause glass coloration, influence the transmission ability of glass.
At present, melting container is mostly fused alumina product, fused alumina zirconia product, mullite product or zircite product；Remove
Outside this, also alkaline electro melt-cast products such as electric casting magnesium chromium；And smelting apparatus is generally mixed using full heated by electrodes or pneumoelectric
Close the structure of heating.Wherein, the porosity of founding aluminium oxide product and mullite product is higher, and corrosion resistance is poor, anti-thermal shock
Stability is poor, and such melting container is easy to material peeling occur, causes inside glass to produce refractory stone, meanwhile, greatly
Coloring impurity in the eater of amount introduces, and the transmitance of glass can be caused to decline, therefore the melting container of this kind of material is difficult
Produce the optical glass product of high-quality.Although electric casting magnesite-chrome brick possesses good anti-soda-lime glass erosiveness, fusing point
Height, but contain substantial amounts of Fe impurity in its material, the chromium in component itself have colorability as valence variation element to glass,
Such melting container is adapted to the production of industry, electronic glass and coloured glass.Fused alumina zirconia product impurity content is extremely low, is practically free of
There is host glass phase, there is the excellent low stain performance to glass metal, bulk density is big, and the porosity is small, has stronger resist
Glass metal erosiveness, generation bubble, calculus, the tendency of striped are small, and micro coloring impurity introduces the transmission to optical glass
Rate influences smaller, is the optical glass melting container material of current main flow, suitable for most leadless environment-friendly glass and leaded
The production of non-environmental protection optical glass.
Although the melting container for having used AZS (AZS) material to build in existing glass melting device can
Up-to-standard optical glass is produced, it disclosure satisfy that the design requirement of most of optical instrument through ability, but due to
AZS material still contains the coloring impurity Fe and Ti close to 3000ppm, and the molybdenum electrode used is in itself with atmosphere
Change to glass metal colour, and in stannic oxide electrode containing sintering aidses (such as Au, Ag, Cu, Ni addition be 0.5~
2%) and resistance additive (such as As is reduced2O3、Sb2O3、Ta2O3、U2O3), comprehensive more coloring element is all to the high saturating glass of manufacture
Glass produce obstruction, therefore produced optical glass product through ability for the high high-precision optical instrument of some imaging requirements
For or not enough because high-precision optical instrument transmitance index request often than ordinary optical instrument transmitance index will
Ask high by 0.5%~5%, such as transmitance requirement of slr camera, space search telescope, glass guiding fiber to optical glass.
In order to further improve the transmitance of glass, the enterprise of some advanced technology also makes heating electrode pair using platinum
Glass liquid heating, although the transmitance of glass has a certain upgrade, but still can not solve to colour in AZS material miscellaneous
The pollution of confrontation glass, meanwhile, platinum electrode is not suitable for the production of some flint glass, mainly pole in flint glass liquid yet
Easily there is Pb simple substance meeting heavy corrosion platinum material, easily cause platinum impurity or cause platinum electrode to damage, contaminated ion enters
Enter vitreum and absorption equally is produced to the light of specific wavelength, influence the transmission ability of glass product.
Utility model content
The utility model provides a kind of smelting apparatus for being used to produce optical glass, it is intended to solves existing glass melting
The optical glass that device is produced can not meet the problem of requirement of the high-precision optical instrument to glass transmitance.
Technical scheme is used by the utility model solves its technical problem：Melting for producing optical glass fills
Put, including melting container, heating arrangements and bubbling mechanism, the melting container is interior to be provided with melting chamber；The bottom surface of the melting chamber
The glass brick masonry made with side wall by quartz glass forms；The heating arrangements include being arranged on the frame at the top of melting container
Shape frame and at least two total-oxygen combustors being arranged on frame, the flame-thrower nozzle of the total-oxygen combustor are located at frame
Inside and tilt down, and the flame sprayed by flame-thrower nozzle is located at the top of melting chamber；The bubbling mechanism includes setting
Put in melting container bottom and the bubbling pipe that is communicated with melting chamber.
It is further that the melting container is in rectangular configuration, the top of melting container one side side wall is put into provided with raw material
Mouthful, the bottom of the another side side wall corresponding with material pouring inlet is provided with glass metal discharging opening.
It is further that the bottom surface of the melting chamber is provided with funnel-shaped structure, and the bottom of the melting container is provided with glass
Residual liquid discharge hole, the liquid feeding end in the glass residual liquid discharge hole are in the bottom of funnel-shaped structure.
It is further that the bubbling mechanism also includes the air-blowing device being connected with bubbling pipe.
It is further, in addition to fixed support that the support plate of fixed support frame shape frame is provided with the fixed support.
It is further to be provided with cooler bin on the periphery wall of the melting container.
It is further to be provided with cooling chamber in the cooler bin, at least two are arranged at intervals with the bottom surface of the cooling chamber
Block underflow stream dividing plate, at least two pieces of overflow dividing plates, the underflow stream dividing plate and overflow are arranged at intervals with the top surface of cooling chamber
Stream dividing plate is staggeredly spaced apart is divided into corrugated cooling duct by cooling chamber.
It is further that the bottom of the cooler bin is provided with the cooling medium entrance communicated with cooling duct one end, cooling
The top of case is provided with the cooling medium outlet communicated with the cooling duct other end.
It is further to be provided with aperture regulation valve on the cooling medium entrance.
The beneficial effects of the utility model are：
(1) the glass brick masonry that the inwall of melting chamber is made by quartz glass, is surrounded in melting container to form, its have compared with
High fusing point, relatively low thermal conductivity factor, excellent thermal shock resistance, cubical expansivity are small, fine and close pore-free, the actual coloring contained
Impurity has the advantages that certain high temperature resistance erosiveness within 5ppm, substantially avoided because inwall is corroded by high-temperature glass liquid
And cause glass coloration, it ensure that the transmitance of optical glass；Meanwhile the main chemical compositions of quartz glass are SiO2Even if
Weather into minimum to the components influence of glass in glass metal, be more beneficial for producing excellent bubble quality and high transmittance
Optical glass.
(2), the smelting apparatus eliminates heated by electrodes structure, and the flame only sprayed by total-oxygen combustor is to melting container
Carry out radiant heating, and by bubbling mechanism be aided with bubbling homogenizing, so as to both ensure that it is abundant to glass liquid heating, turn avoid because
Electrode is corroded glass coloration caused by the coloring impurity pollution glass metal caused in electrode material by high-temperature glass liquid, further
Improve the transmitance of optical glass.In addition, the smelting apparatus is heated using pure burning radiation, all kinds of high transmissions can be applied to
The production of glass, the production especially suitable for leaded high transmission glass.
(3), by setting cooler bin on the periphery wall of melting container, cooling Jie in cooler bin internal circulation flow is utilized
The perisporium of confrontation melting container is cooled down, and on the one hand can further improve the anti-erosion energy of the glass block of quartz glass making
Power, the temperature in use of the smelting apparatus on the other hand can be improved, to meet the production requirement of most optical glass.
Brief description of the drawings
Fig. 1 is implementation structural representation of the present utility model；
Fig. 2 is the cross section structure diagram of cooler bin expansion；
In figure mark for：Melting container 100, glass block 101, melting chamber 110, funnel-shaped structure 111, glass metal discharging opening
120th, glass residual liquid discharge hole 130, heating arrangements 200, frame 210, total-oxygen combustor 220, bubbling pipe 310, fixed support
400th, support plate 410, cooler bin 500, cooling chamber 501, cooling medium entrance 502, cooling medium outlet 503, underflow stream dividing plate
510th, overflow dividing plate 520.
The direction of arrow in Fig. 2 is the flow direction of cooling medium.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the smelting apparatus for producing optical glass, including melting container 100, heating arrangements 200 and drum
Mechanism is steeped, melting chamber 110 is provided with melting container 100；The glass that the bottom surface of melting chamber 110 and side wall make by quartz glass
Brick 101, which is built by laying bricks or stones, to be formed；Heating arrangements 200 include being arranged on the frame 210 at the top of melting container 100 and are arranged on frame
At least two total-oxygen combustors 220 on 210, the flame-thrower nozzle of total-oxygen combustor 220 are located inside and the inclination of frame 210
Down, and by flame-thrower nozzle the flame sprayed is located at the top of melting chamber 110；Bubbling mechanism includes being arranged on melting container
100 bottoms and the bubbling pipe 310 communicated with melting chamber 110.
Study and find through inventor, pure quartz glass has higher melt, relatively low thermal conductivity factor, excellent anti-thermal shock
Property, cubical expansivity are small, fine and close pore-free, almost without coloring impurity, there is certain high temperature resistance erosiveness；With electric smelting
Fused alumina zirconia material is compared, and has fusing point only and high temperature resistance erosiveness is slightly weak, and fine and close imperforate characteristic is more excellent, most importantly
Coloring impurity content is at least lower 2500ppm than AZS material；Therefore, lead to for making the quartz glass of glass block 101
Often it is pure quartz glass, its coloring impurity content is in below 5ppm；Preferably purity is more than 99.9%, coloring impurity content
For 1~2ppm quartz glass.The glass that inwall due to surrounding melting chamber 110 in melting container 100 is made by quartz glass
Brick 101, which is built by laying bricks or stones, to be formed, therefore be substantially avoided and caused glass coloration because inwall is corroded by high-temperature glass liquid, ensure that optics glass
The transmitance of glass；Further, since the main chemical compositions of quartz glass are SiO2Even if to glass in weathering into glass metal
Components influence it is minimum, be more beneficial for producing the optical glass of excellent bubble quality and high transmittance.
The fusing point of quartz glass is molten not higher than 1300 DEG C relative to most optical glass typically more than 1700 DEG C
Change temperature, fully meet production requirement.Because internal crystalline substance can occur more than 1200 DEG C for quartz glass as the transformation of structure, it is high
Warm corrosion resistance can be gradually reduced, and to make the smelting apparatus reach preferable use condition, preferred pair fusion temperature is less than
1250 DEG C of optical glass is produced；Because the fusion temperature of flint glass is relatively low, about at 1000~1200 DEG C, therefore should
Smelting apparatus is more suitable for the melting of leaded optical glass；Certainly, fusion temperature can also produce positioned at 1250 DEG C -1300 DEG C,
But the erosion of melting container 100 will be accelerated, service life will also shorten.
The smelting apparatus eliminates heated by electrodes structure, and the flame only sprayed by total-oxygen combustor 220 is to melting container
100 carry out radiant heating, and are aided with bubbling homogenizing by bubbling mechanism, abundant to glass liquid heating so as to ensure that.It is added to this
The heat melts that frit in smelting apparatus is provided by total-oxygen combustor 220 are glassy state, and fusion process is by bubbling pipe 310
A certain amount of gas is blasted, the diffusion of increase glass metal, convection current, glass metal is reached a certain degree of homogenizing, and make glass metal
The radiations heat energy being subject to quickly transmits, to be sufficiently heated.As shown in figure 1, the total-oxygen combustor 220 in heating arrangements 200 is excellent
Elect four be equidistantly spaced from as, the flame that the flame-thrower nozzle of each total-oxygen combustor 220 is sprayed generally remains unanimously.Due to not having
There is electrode, avoid because electrode is corroded by high-temperature glass liquid so that the coloring impurity in the electrode of the material such as tin ash or molybdenum
Pollute glass metal, caused glass coloration；Pollution of the platinum electrode to leaded optical glass in fusion process is it also avoid, is entered
One step improves the transmitance of optical glass.
Melting container 100 is the main body of the smelting apparatus, and it can be various structures；It is typically provided on melting container 100
For the glass metal discharging opening for adding the material pouring inlet of frit and being exported for glass metal；Preferably, melting container 100
(plan shape is rectangular) in rectangular configuration, material pouring inlet is located at the top of the wherein one side side wall of melting container 100, glass
Liquid discharging opening 120 is located at the bottom of the another side side wall of the melting container 100 corresponding with material pouring inlet.
Generally, in order to make the impure more glass residual liquor discharge in the bottom of melting chamber 110 after melting, for another example
Shown in Fig. 1, the bottom surface of melting chamber 110 is provided with funnel-shaped structure 111, and the bottom of melting container 100 is provided with glass residual liquid discharge hole
130, the liquid feeding end in glass residual liquid discharge hole 130 is in the bottom of funnel-shaped structure 111.One on glass residual liquid discharge hole 130
As be additionally provided with plug or valve, it is necessary to outside arrange glass raffinate when, remove plug or open valve.
Specifically, bubbling mechanism also includes the air-blowing device being connected with bubbling pipe 310.Air-blowing device is source of the gas, generally to bubbling
Oxidizing gas is blasted in pipe 310.
Again as shown in figure 1, the smelting apparatus also includes fixed support 400, fixed support frame is provided with fixed support 400
The support plate 410 of shape frame 210.The frame 210 of heating arrangements 200 is typically mounted on support plate 410, and is in melting container 100
Top.
As a kind of preferred scheme of the present utility model, then as shown in figure 1, melting container 100 periphery wall be provided with it is cold
But case 500.The generally use high temperature resistant stainless steel material of cooler bin 500 is made, and cooler bin 500 is aimed at for quartz glass material
The inwall of melting chamber 110 and design, by setting cooler bin 500 on the periphery wall of melting container 100, using cooling down
The cooling medium of the internal circulation flow of case 500 cools down to the perisporium of melting container 100, on the one hand can further improve quartz
The corrosion resistance for the glass block 101 that glass makes, the temperature in use of the smelting apparatus on the other hand can be improved, to meet
The production requirement of most optical glass.
In order to reach more preferable cooling effect, as shown in Fig. 2 cooling chamber 501 is provided with cooler bin 500, cooling chamber 501
At least two pieces of underflow stream dividing plates 510 are arranged at intervals with bottom surface, at least two pieces of overflows are arranged at intervals with the top surface of cooling chamber 501
Flow dividing plate 520, underflow stream dividing plate 510 and overflow dividing plate 520 interlock be spaced apart cooling chamber 501 is divided into it is corrugated
Cooling duct.Underflow stream dividing plate 510 and overflow dividing plate 520, it on the one hand can increase contact of the cooler bin 500 with cooling medium
Area improves cooling effect, and the cooling duct being on the other hand separated to form makes cooling medium have more mobility, and is cooling down
Residence time in case 500 is longer, substantially increases the cooling effect of cooler bin 500, and another further aspect cooling duct limits cold
But the flow path of medium, make flow velocity relatively stable, and then make the state of cooling stable, to reach the preferable state of cooling.
On the basis of the above, in order to ensure cooling medium can remain full state in cooler bin 500, fully with
The inwall contact of cooler bin 500, therefore, the cooling medium communicated with cooling duct one end is provided with the bottom of cooler bin 500 and is entered
Mouth 502, the cooling medium outlet 503 communicated with the cooling duct other end is provided with the top of cooler bin 500.Generally, cooling down
Aperture regulation valve is provided with medium inlet 502, for controlling cooling medium consumption.Generally from water as cooling medium,
It is preferred that linked together respectively with cooling medium entrance 502 and the circulation of cooling medium outlet 503 using the soft water circulatory system.In order to
More preferably the chilling temperature of melting container 100 can be regulated and controled, the smelting apparatus also includes controller, close to cooling medium
Temperature sensor is additionally provided with the cooling duct of outlet 503, aperture regulation valve and temperature sensor are electric with controller respectively
Connection.Monitor the temperature for the cooling medium that will flow out cooling medium outlet 503 in real time by temperature sensor and feed back to control
Device processed, controller adjusts the aperture of aperture regulation valve according to preset temperature, and then controls the flow of cooling medium, to reach more
Good cooling effect.
Embodiment
First, flint glass of the selection with following weight percent composition, each component and weight percentage are as follows：
SiO2：30%~40%, PbO：45%~55%, H3BO3：4%~6%, KNO：4%~6%, Na2CO3：2%~5%,
Sb2O3：0.1%.
Above frit uses high pure raw material, Chun Du≤99.9%；Above raw material contains Fe impurity, and content Jun≤
2ppm；Wherein SiO2、H3BO3、Na2CO3Contain Cu impurity, content Jun≤2ppm；Wherein SiO2、H3BO3Also Cr impurity is contained,
Content Jun≤1ppm.
Above frit is continuously added in smelting apparatus of the present utility model, in 1200 DEG C~1250 DEG C smelting temperatures
Lower melting, embodiment glass, and sampling and testing transmitance index are obtained, it is high with Japanese OHARA (iline glass) the identical trade mark
Transmitance product is contrasted, and contrast wavelength selects representative 400nm, 420nm, as a result as follows：
Conclusion：The test index т (10mm) that embodiment glass represents wavelength has met and exceeded Japanese OHARA
(iline glass) т (10mm) index.Illustrate, the leaded height acquired using smelting apparatus continuous production of the present utility model
The transmitance of transmissive optical glass meets the requirement of high-precision optical instrument.
Comparative example
Using the raw material of the same glass ingredient provided with embodiment, melting life is carried out using existing glass melting device
Production, the melting container of the glass melting device use AZS material, and heating electrode uses tin ash material.By glass
Raw material is continuously added in above glass melting device, equally under 1200 DEG C~1250 DEG C smelting temperatures, obtains comparative example glass,
And sampling and testing transmitance index, contrasted with Japanese OHARA (iline glass) identical trade mark high transmittance product, it is right
Representative 400nm, 420nm are selected than wavelength, it is as a result as follows：
Conclusion：Comparative example glass represents the test index т (10mm) and OHARA (iline glass) т of Japan of wavelength
The index difference of (10mm) is larger, and transmitance index is less than OHARA transmitances index 1% or so.
It can be seen that the optical glass product produced using existing glass melting device, its transmitance index is less than use
The optical glass product that the utility model smelting apparatus is produced.
Claims (9)
1. the smelting apparatus for producing optical glass, including melting container (100), heating arrangements (200) and bubbling mechanism, institute
State in melting container (100) and be provided with melting chamber (110)；It is characterized in that：The bottom surface of the melting chamber (110) and side wall are by stone
The glass block (101) that English glass makes, which is built by laying bricks or stones, to be formed；The heating arrangements (200) include being arranged at the top of melting container (100)
Frame (210) and at least two total-oxygen combustors (220) that are arranged on frame (210), the total-oxygen combustor
(220) flame-thrower nozzle is located at the inside of frame (210) and tilted down, and by the flame that flame-thrower nozzle is sprayed positioned at molten
Refine the top of chamber (110)；The bubbling mechanism includes what is be arranged on melting container (100) bottom and communicated with melting chamber (110)
Bubbling pipe (310).
2. the smelting apparatus as claimed in claim 1 for being used to produce optical glass, it is characterised in that：The melting container
(100) in rectangular configuration, the top of melting container (100) one side side wall is provided with material pouring inlet, corresponding with material pouring inlet
The bottom of another side side wall be provided with glass metal discharging opening (120).
3. the smelting apparatus as claimed in claim 2 for being used to produce optical glass, it is characterised in that：The melting chamber (110)
Bottom surface be provided with funnel-shaped structure (111), the bottom of the melting container (100) is provided with glass residual liquid discharge hole (130), described
The liquid feeding end in glass residual liquid discharge hole (130) is in the bottom of funnel-shaped structure (111).
4. the smelting apparatus as claimed in claim 1 for being used to produce optical glass, it is characterised in that：The bubbling mechanism is also wrapped
Include the air-blowing device being connected with bubbling pipe (310).
5. the smelting apparatus as claimed in claim 2 for being used to produce optical glass, it is characterised in that：Also include fixed support
(400) support plate (410) of fixed support frame shape frame (210), is provided with the fixed support (400).
6. the smelting apparatus for being used to produce optical glass as described in claim 1,2,3,4 or 5, it is characterised in that：It is described molten
Cooler bin (500) is provided with the periphery wall of refining container (100).
7. the smelting apparatus as claimed in claim 6 for being used to produce optical glass, it is characterised in that：The cooler bin (500)
It is interior to be provided with cooling chamber (501), at least two pieces of underflow stream dividing plates (510) are arranged at intervals with the bottom surface of the cooling chamber (501), it is cold
But at least two pieces of overflow dividing plates (520), the underflow stream dividing plate (510) and overflow are arranged at intervals with the top surface of chamber (501)
Stream dividing plate (520) is staggeredly spaced apart is divided into corrugated cooling duct by cooling chamber (501).
8. the smelting apparatus as claimed in claim 7 for being used to produce optical glass, it is characterised in that：The cooler bin (500)
Bottom be provided with the cooling medium entrance (502) that is communicated with cooling duct one end, the top of cooler bin (500) be provided with cool down it is logical
The cooling medium outlet (503) that the road other end communicates.
9. the smelting apparatus as claimed in claim 8 for being used to produce optical glass, it is characterised in that：The cooling medium entrance
(502) aperture regulation valve is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780380.4U CN207175755U (en) | 2017-06-29 | 2017-06-29 | For producing the smelting apparatus of optical glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780380.4U CN207175755U (en) | 2017-06-29 | 2017-06-29 | For producing the smelting apparatus of optical glass |
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| CN207175755U true CN207175755U (en) | 2018-04-03 |
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ID=61735146
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098571A (en) * | 2017-06-29 | 2017-08-29 | 成都光明光电有限责任公司 | Smelting apparatus for producing optical glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098571A (en) * | 2017-06-29 | 2017-08-29 | 成都光明光电有限责任公司 | Smelting apparatus for producing optical glass |
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