CN110104938A - One kind being used for high uniform optical glass production agitating device - Google Patents
One kind being used for high uniform optical glass production agitating device Download PDFInfo
- Publication number
- CN110104938A CN110104938A CN201910361205.5A CN201910361205A CN110104938A CN 110104938 A CN110104938 A CN 110104938A CN 201910361205 A CN201910361205 A CN 201910361205A CN 110104938 A CN110104938 A CN 110104938A
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- CN
- China
- Prior art keywords
- optical glass
- agitating device
- paddle bar
- glass production
- uniform optical
- Prior art date
- 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
- 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
- C03B5/18—Stirring devices; Homogenisation
- C03B5/187—Stirring devices; Homogenisation with moving elements
-
- 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
- C03B5/225—Refining
Abstract
Of the invention is entitled a kind of for high uniform optical glass production agitating device, belongs to optical glass technical field.The agitating device is used for high temperature balancing reservoir.Being mainly characterized by comprising: for it includes blender, transmission shaft, controller, speed reducer, frequency converter and variable-frequency motor；The blender includes stirring rod that is hollow, being mutually communicated and paddle bar, and paddle bar is equipped with venthole；It further include snorkel, snorkel is connect with stirring rod.Speed reducer is driven by variable-frequency motor and is operated, and blender is equipped with snorkel and outlet (bubbling) hole, and ventilation bubbling is constantly carried out in blender rotary course.Agitator speed and ventilatory capacity are automatically adjusted according to glass viscosity.By the invention device, levelling chamber's homogenization of glass efficiency is improved, realizes and stirs homogenizing without dead angle, with lower cost, realize high uniform optical glass production.
Description
Technical field
The invention belongs to optical glass technical fields, and in particular to one kind is for high uniform optical glass production stirring dress
It sets.
Background technique
It is higher and higher to optical glass quality requirement used in imaging system as high definition imaging technique develops, not only
Bubble foreign matter requires to improve, and optical homogeneity and coherence request to glass also greatly improve.The optical-quality homogeneous of optical glass
Property and consistency be that two aspects are ensured: uniformity and fine annealing uniformity is melted.Melted uniformity is decisive
Factor.
Optical imaging system is formed by various shapes and a variety of optical property glass combinations, determines that optical glass production makes
Particularity: multi items.Small lot.For the ease of the switching of production process kind, therefore melting equipment can not be too big.Otherwise
It causes largely to switch kind loss.But high uniformity method is obtained first is that extending melting time, second is that improving homogenization efficiency.Prolong
Long melting time, which not only increases, is melted cost, but also has biggish negative effect to transmitance.So it is first for improving homogenization efficiency
Choosing method.The method for improving homogenization efficiency at present has two methods of bubbling and stirring.Bubbling is chiefly used in melting tank, and stirring homogenizing is more
For balancing reservoir.Since balancing reservoir is larger, simple stirring, which can not be eliminated, is detained dead angle.Various trade mark glass smelting differences in viscosity simultaneously
Different larger, in order to reach homo-effect, the different trades mark need different speeds of agitator.
The agitating device that number of patent application 201410456835.8 and number of patent application 201510659766.5 are related to, mainly
For the crucible that works, since work crucible is smaller, such agitating device has better effects to striped elimination, but to optical stability effect
Difference.Agitating device that number of patent application 201810319025.6 is related to first is that material is not able to satisfy high-quality optical glass demand,
Second is that stirring dead angle cannot be eliminated very well, efficient homo-effect is not achieved.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides one kind and is used for high uniform optical glass production agitating device,
The agitating device is used for high temperature balancing reservoir, by the invention device, improves levelling chamber's homogenization of glass efficiency, realizes and stir without dead angle
Homogenizing, with lower cost, realizes high uniform optical glass production.
In order to solve the above-mentioned technical problem, the technical solution of the invention is as follows: one kind is raw for high uniform optical glass
Produce agitating device, including blender, transmission shaft, controller, speed reducer, frequency converter and variable-frequency motor, it is characterised in that: described to stir
Mixing device includes stirring rod that is hollow, being mutually communicated and paddle bar, and paddle bar is equipped with venthole；Further include snorkel, leads to
Tracheae is connect with stirring rod, is passed through clean compressed air, nitrogen, oxygen etc., and colouless optical glass produces preferred oxygen；Slow down
Machine is driven by variable-frequency motor and is operated.
Paddle bar described in technical solution of the invention include the lower paddle bar for being connected to stirring rod bottom end,
It the upper paddle bar that is connected to above stirring rod bottom end and is connected between stirring rod and upper paddle bar and lower paddle bar
Oblique paddle bar；Venthole is uniformly distributed on paddle bar, the outer end of lower paddle bar is equipped with radial venthole.
Stirring rod described in technical solution of the invention, snorkel and paddle bar use high temperature resistant to corrode
Platinum or the tubing of Platinum alloy material production.It is preferred that stirring rod and paddle bar use platinum zirconium disperse material.
Lower paddle bar transverse width described in technical solution of the invention is small compared with balancing reservoir minimum dimension by 200 ~
300mm, away from 30 ~ 50mm of bottom of pond.
The paddle bar global shape of blender described in technical solution of the invention can be triangle, rectangle
Or it is down big up small trapezoidal.The preferred triangle of the present invention efficiently saves platinum occupancy, reduces cost.
Ventilation bore 10mm described in technical solution of the invention, 0.5 ~ 1mm of wall thickness；Stirring rod outer diameter 30 ~
40mm, 2 ~ 3mm of wall thickness；Paddle bar 10 ~ 15mm of outer diameter, 1.5 ~ 2.5mm of wall thickness.
Between lower paddle bar and oblique paddle bar and upper paddle bar described in technical solution of the invention
Connecting end has venthole；Lower paddle bar transverse width 200 ~ 300mm small compared with balancing reservoir minimum dimension, away from bottom of pond 30 ~
50mm；The venthole aperture is 1 ~ 2mm, is spaced 100 ~ 200mm.
Connected between the stirring rod and transmission shaft of blender described in technical solution of the invention by anti-silk screw thread
It connects.
Torque sensing is equipped between transmission shaft top and speed reducer output shaft described in technical solution of the invention
Device, torque signal control variable-frequency motor frequency converter by instrument and are adjusted the speed and blasted gas flow adjusting.According to different viscosities
Adjust automatically revolving speed and gas flow is blasted, reaches best homo-effect.
Snorkel described in technical solution of the invention is equipped with pressure reducing valve and flow automatic regulation meter；Torque passes
Feedback carries out motor frequency modulation to frequency converter and flow automatic regulation meter and is bubbled flow adjustment after the processing of sensor signal via controller.
Speed reducer insulation against ground, avoids smelting furnace from being grounded described in technical solution of the invention, causes electrically to steep.
Snorkel one end described in technical solution of the invention is connect by rotary joint with stirring rod, the other end
It is connect by rotary joint with insulation tracheae.
0.6 ~ 0.8MPa of supply air line gas pressure described in technical solution of the invention, the gas pressure after decompression
0.3 ~ 0.5MPa of power, 1 ~ 2 mark side of gas flow/hour.
Blender speed of agitator described in technical solution of the invention is adjustable at 0 ~ 120 rev/min.
Compared with prior art, the invention has the following advantages: agitating device provided by the invention realizes balancing reservoir
No dead angle stirring.Realize photosensitiveness stable and uniform purpose.Structure is simple, high-efficient.Platinum occupancy is few, save the cost.
Detailed description of the invention
Fig. 1 is high uniform optical glass production agitating device structure provided by the invention.
Fig. 2 is blender schematic diagram provided by the invention.
Fig. 3 is the schematic diagram that the present invention applies.
In figure: 1. blenders；2. transmission shaft；3. torque sensor；4. controller；5. speed reducer；6. frequency converter；
7. variable-frequency motor；8. pressure reducing valve；9. flow automatic regulation meter；101 ~ 103. paddle bars；104. stirring rod；105. going out
Stomata；106. snorkel；201. melting tank；202. electrode；203. feed opening；204. flames burn rifle；205. balancing reservoir；
206. heater；207. platinum clarifying basins；208. platinum cooling pipes；209. platinums work crucible；210. platinum material leakage pipes.
Specific embodiment
It is further described below in conjunction with Fig. 1 to the 3 couples of present invention.Preferred embodiment described herein is only for interpretation sheet
Invention is not used in the restriction present invention.
As shown in Figure 1, the present invention is by blender 1, transmission shaft 2, torque sensor 3, controller 4, speed reducer 5, frequency converter
6, variable-frequency motor 7 and the pressure reducing valve 8 being bubbled on supply air line and flow automatic regulation meter 9 form.
Transmission shaft 2 be it is hollow, one end has anti-silk screw thread and stirring rod 104 to connect, 2 top of transmission shaft and speed reducer output
It is attached among axis by torque sensor 3.Speed reducer 5 is driven by variable-frequency motor 7 and is operated.
As shown in Fig. 2, blender 1 of the present invention by stirring rod 104, snorkel 106, upper paddle bar 103, under stir
Mix leaf bar 102 and oblique paddle bar 101 composition.Snorkel 106, stirring rod 104 and paddle bar 101-103 are hollow tube.
The present embodiment snorkel 106 internal diameter 10mm, wall thickness 1mm；Stirring rod 104 outer diameter 40mm, wall thickness 3mm；Outside paddle bar 101-103
Diameter 12mm, wall thickness 2mm.Snorkel 106, stirring rod 104 and paddle bar 101-103 is hollow is mutually communicated, paddle bar 101-
Venthole 105 is uniformly distributed on 103.
As shown in figure 3, melting equipment includes melting tank 201, balancing reservoir 205, platinum clarifying basin 207 and platinum work crucible
209, melting tank 201 is equipped with electrode 202, feed opening 203 and flame and burns rifle 204, and balancing reservoir 205 is equipped with heater 206, and platinum is clear
Platinum cooling pipe 208 is equipped between clear pond 207 and platinum work crucible 209, platinum works crucible 209 equipped with platinum material leakage pipe 210.?
In implementation process, the present invention is placed in the balancing reservoir 205 of glass smelting process, and blender 1 is protruded by balancing reservoir top special hole
Inside 205 glass metal of balancing reservoir.Lower 102 transverse width of paddle bar 200 ~ 300mm small compared with balancing reservoir minimum dimension, away from balancing reservoir
Bottom 50mm.It is operated under the driving of variable-frequency motor 7.Torque sensor 3 spreads out of torque signal, signal via controller 4 in rotary course
It handles to the frequency converter 6 of variable-frequency motor 7 and exports FM signal, motor speed is adjusted by frequency converter, and then agitator speed is sent out
Changing.The variation output signal of torque sensor induced torque value when rotation speed change, until signal value meets preset value, revolving speed
Steady running.It realizes the matching of different viscosities revolving speed, reaches best stirring, realize high-efficiency stirring.It is turned round in rotary course simultaneously
Square sensor 3 spreads out of torque signal, and signal via controller 4 is handled to 9 output flow signal of flow automatic regulation meter, flowmeter tune
Whole bubbling flow realizes the different bubbling amounts under different viscosities, homogenization of glass effect is made to reach optimum state.
Vent line and snorkel 106 are flexibly connected using rotary joint, are passed through gas to snorkel 106, are passed through outlet
Hole 105 blasts balancing reservoir, strengthens the convection current of balancing reservoir glass.Venthole 105 is evenly distributed on paddle bar 101-103, is being stirred
It mixes under device uniform rotation, gas can be made to gather entire balancing reservoir.It is grown up floating by the gas blasted, drives balancing reservoir glass
Convection current.
Lower 102 end of paddle bar is equipped with radial venthole, is conducive to expand to avoid in balancing reservoir edge flow area
Convection current dead angle is formed, homo-effect is improved.To realize the production of high uniform glass.
Claims (10)
1. one kind is used for high uniform optical glass production agitating device, including blender (1), transmission shaft (2), controller (4), subtracts
Fast machine (5), frequency converter (6) and variable-frequency motor (7), it is characterised in that: the blender (1) includes hollow, stirring of being mutually communicated
Bar (104) and paddle bar (101-103) are mixed, paddle bar (101-103) is equipped with venthole (105)；It further include snorkel
(106), snorkel (106) is connect with stirring rod (104).
2. according to claim 1 a kind of for high uniform optical glass production agitating device, it is characterised in that: described
Paddle bar (101-103) includes the lower paddle bar (102) for being connected to stirring rod (104) bottom end, is connected to stirring rod (104)
Upper paddle bar (103) above bottom end and it is connected to stirring rod (104) and upper paddle bar (103) and lower paddle bar
(102) the oblique paddle bar (101) between；Paddle bar is uniformly distributed venthole (105) on (101,102,103), lower stirring
The outer end of leaf bar (102) is equipped with radial venthole (105).
3. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
The platinum or platinum alloy material that stirring rod (104), snorkel (106) and the paddle bar (101 ~ 103) stated are corroded using high temperature resistant
Expect the tubing of production.
4. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
Snorkel (106) the internal diameter 10mm, 0.5 ~ 1mm of wall thickness stated；Stirring rod (104) 30 ~ 40mm of outer diameter, 2 ~ 3mm of wall thickness；Paddle bar
(101 ~ 103) 10 ~ 15mm of outer diameter, 1.5 ~ 2.5mm of wall thickness.
5. according to claim 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: described
Connection end between lower paddle bar (102) and oblique paddle bar (101) and upper paddle bar (103) has venthole
(105)；Lower paddle bar (102) transverse width 200 ~ 300mm small compared with balancing reservoir minimum dimension, away from 30 ~ 50mm of bottom of pond；It is described go out
Stomata (105) aperture is 1 ~ 2mm, is spaced 100 ~ 200mm.
6. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
It is threadedly coupled between the stirring rod (104) and transmission shaft (2) of the blender (1) stated by anti-silk.
7. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
Torque sensor (3) are equipped between transmission shaft (2) top stated and speed reducer (5) output shaft.
8. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
The snorkel (106) stated is equipped with pressure reducing valve (8) and flow automatic regulation meter (9)；Torque sensor (3) signal via controller
(4) feedback carries out motor frequency modulation to frequency converter (6) and flow automatic regulation meter (9) and is bubbled flow adjustment after handling.
9. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
Speed reducer (5) insulation against ground stated.
10. according to claim 1 or 2 a kind of for high uniform optical glass production agitating device, it is characterised in that: institute
Snorkel (106) one end stated is connect by rotary joint with stirring rod (104), and the other end passes through rotary joint and insulation tracheae
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361205.5A CN110104938A (en) | 2019-04-30 | 2019-04-30 | One kind being used for high uniform optical glass production agitating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361205.5A CN110104938A (en) | 2019-04-30 | 2019-04-30 | One kind being used for high uniform optical glass production agitating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104938A true CN110104938A (en) | 2019-08-09 |
Family
ID=67487773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910361205.5A Pending CN110104938A (en) | 2019-04-30 | 2019-04-30 | One kind being used for high uniform optical glass production agitating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110104938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111109100A (en) * | 2020-01-14 | 2020-05-08 | 秒针信息技术有限公司 | Material processing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174692A (en) * | 2015-10-14 | 2015-12-23 | 湖北新华光信息材料有限公司 | Double-structure type stirrer |
| CN106029584A (en) * | 2014-02-25 | 2016-10-12 | 田中贵金属工业株式会社 | Stirrer for glass manufacture |
| CN107265831A (en) * | 2017-06-02 | 2017-10-20 | 湖北新华光信息材料有限公司 | A kind of efficient homogenizing and the agitator device of clarification |
| CN208055183U (en) * | 2018-04-09 | 2018-11-06 | 江苏瑞特钢化玻璃制品有限公司 | A kind of glass preparation device for stirring molten glass |
| JP6431394B2 (en) * | 2015-02-03 | 2018-11-28 | 田中貴金属工業株式会社 | Stirrer for glass production |
-
2019
- 2019-04-30 CN CN201910361205.5A patent/CN110104938A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029584A (en) * | 2014-02-25 | 2016-10-12 | 田中贵金属工业株式会社 | Stirrer for glass manufacture |
| JP6431394B2 (en) * | 2015-02-03 | 2018-11-28 | 田中貴金属工業株式会社 | Stirrer for glass production |
| CN105174692A (en) * | 2015-10-14 | 2015-12-23 | 湖北新华光信息材料有限公司 | Double-structure type stirrer |
| CN107265831A (en) * | 2017-06-02 | 2017-10-20 | 湖北新华光信息材料有限公司 | A kind of efficient homogenizing and the agitator device of clarification |
| CN208055183U (en) * | 2018-04-09 | 2018-11-06 | 江苏瑞特钢化玻璃制品有限公司 | A kind of glass preparation device for stirring molten glass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111109100A (en) * | 2020-01-14 | 2020-05-08 | 秒针信息技术有限公司 | Material processing device and method |
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Application publication date: 20190809 |