CN107265831B - Stirrer device for homogenization and clarification - Google Patents
Stirrer device for homogenization and clarification Download PDFInfo
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- CN107265831B CN107265831B CN201710408472.4A CN201710408472A CN107265831B CN 107265831 B CN107265831 B CN 107265831B CN 201710408472 A CN201710408472 A CN 201710408472A CN 107265831 B CN107265831 B CN 107265831B
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- air hole
- hole array
- pipe
- stirring shaft
- homogenizing
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- 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
- C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers
Abstract
The invention relates to a homogenizing and clarifying agitator device. Belongs to the technical field of glass melting. The method mainly achieves the purpose of improving the glass transmittance by improving the homogenization and clarification efficiency and shortening the smelting time. It is mainly characterized in that: comprises a stirring shaft, an air hole array pipe or an air hole array pipe, a stirring frame and a rotary ventilation joint; wherein, the lower part of the stirring shaft is provided with an air hole array pipe, and the bottom end of the stirring shaft is provided with a stirring frame or an air hole array pipe; the whole pipe wall of the air hole array pipe is provided with air holes; the stirring shaft is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavity of the air hole array tube; the upper end of the stirring shaft is provided with a rotary ventilation joint. The invention has the characteristics of homogenizing the large-area upper and lower molten glass in the crucible at the same time, gathering and floating bubbles in the molten glass, and shortening the homogenizing and clarifying time, and is mainly used for preparing and producing batch type crucible clinker for small batches or experiments.
Description
Technical Field
The invention belongs to the technical field of glass smelting, and particularly relates to a stirring and homogenizing device of an intermittent crucible glass kiln.
Background
The optical glass for the former small batch or experiment is generally produced by adopting a batch crucible, and the production mode mainly adopts a stirrer for stirring and homogenizing or stirring and bubbling matching for homogenizing. With the increase of imaging quality requirements, the requirements of optical glass transmittance are also increased, so that various large optical glass manufacturers research methods for increasing transmittance, and shortening homogenization or clarification time is one of the methods for increasing transmittance. The bubbling and stirring method provided in patent CN 202046986U can accelerate the homogenization of glass, the method has the advantages that the upper and lower layers of molten glass can be mixed, the homogenization speed is improved, the defect is that the use is inconvenient, two or more persons are needed for cooperative operation, the position of a person when looking at a crucible under a vent pipe is realized, the vent pipe is put into and fixed from the furnace top, meanwhile, the platinum vent pipe is easy to deform and bend at high temperature, the phenomenon of adhesion with the crucible wall is easy to occur, and the furnace can be stopped seriously. Patent CN 105174692 a proposes a method of adding a stirring rod above a general stirrer to accelerate homogenization, which can theoretically improve the effect, but is rarely used in practical production, has large platinum occupation, increases loss, is not favorable for cost saving, and cannot achieve the purpose of rapidly mixing upper and lower glass liquids.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a homogenizing and clarifying stirrer device which can homogenize glass quickly, improve clarification efficiency and shorten homogenization and clarification time.
The technical solution of the invention is as follows: a homogenizing and clarifying stirrer device comprises a stirring shaft, and is characterized in that: the lower part or the bottom end of the stirring shaft is provided with an air hole array pipe, and the pipe wall of the air hole array pipe is provided with a plurality of air holes; the stirring shaft is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavity of the air hole array tube; the upper end of the stirring shaft is provided with a rotary ventilation joint. The bubble array homogenization is generated by adopting rotary bubbling, the effect of rapid homogenization is achieved by combining frame homogenization, and the effect of rapid clarification is achieved by the collision and convergence of bubbles generated in a large area by the air hole array tube and the tiny bubbles in the glass liquid to accelerate the emergence of the tiny bubbles.
In the technical scheme of the invention, the lower part of the stirring shaft is provided with an air hole array pipe, and the bottom end of the stirring shaft is provided with a stirring frame.
The technical scheme of the invention is that the air hole array tube is provided with more than 2 air holes, and the diameter of the air hole array tube is between 0.5mm and 5 mm.
In the technical scheme of the invention, at least one air hole on the air hole array tube is positioned at the lowest part of the air hole array tube.
According to the technical scheme, the rotary ventilation joint is connected with an air pipe, and the air pipe and the stirring shaft can be communicated in the rotation process of the stirrer during ventilation.
In the technical scheme of the invention, the lower air hole array tube and the bottom air hole array tube form an included angle.
The air hole array pipe in the technical scheme of the invention is a circular pipe, a square pipe, an oval pipe, a sheet paddle type or a sheet paddle type pipe with a twisted state.
The stirring frame according to the present invention includes a rectangular outer frame and a cross bracing structure inside the rectangular outer frame, the cross sectional area of the cross bracing structure being smaller than the cross sectional area of the rectangular outer frame.
Compared with the prior art, the invention has the following beneficial effects:
the invention adds the bubbling function on the basis of the traditional frame type stirrer, and optimizes the bubbling mode from point bubbling to rotating intensive array bubbling. The bubble area is increased by rotating the air hole array tube, large-area upper and lower glass liquid in the crucible can be homogenized simultaneously, and the homogenization efficiency is greatly improved; meanwhile, the gas is divided into a large number of dispersed small bubbles by the gas hole array pipe, so that the bubbles in the glass liquid can be well gathered and floated out, and the clarification time can be greatly reduced; and moreover, an additional platinum vent pipe is not added after the stirrer is adopted, and the cost of platinum is low and the loss is small.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a use state of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the air hole array tube of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is a schematic view of a use state of embodiment 2 of the present invention.
In the figure: 1-a stirring shaft; 2-air hole array tube; 3-stirring the frame; 4-a rotary ventilation joint; 5-trachea; 6-a mother crucible; 7-sub crucible; 8-pores; 9-air hole array pipe; 10-flat bottom crucible.
Detailed Description
Various exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
An embodiment 1 of the high-efficiency homogenizing and clarifying stirrer device and the use state thereof are shown in figures 1 to 3. Example 1 includes a stirring shaft 1, an air hole array pipe 2, a stirring frame 3, a rotary ventilation joint 4 and an air pipe 5. Stirring frame 3 is installed in the bottom of (mixing) shaft 1, and stirring frame 3 is the rectangle frame, and stirring frame 3 also can be rectangle frame plus horizontal bracing structure in the rectangle frame, and the sectional area of horizontal bracing structure is less than the sectional area of rectangle frame. The air hole array pipe 2 is arranged at the lower part of the stirring shaft 1 above the stirring frame 3 and is a closed pipe with an inner cavity, the whole pipe wall is provided with air holes 8, and the diameter of each air hole 8 is 1.5 mm. The stirring shaft 1 is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavity of the air hole array tube 2. The stirring frame 3 can also be made of a pipe material, but the stirring frame 3 is not communicated with the inner cavity of the stirring shaft 1. The upper end of the stirring shaft 1 is provided with a rotary ventilation joint 4, the rotary ventilation joint 4 is connected with an air pipe 5, and the air pipe 5 can be communicated with the stirring shaft 1 in the rotating process of the stirrer during ventilation.
The stirrer is placed in a platinum crucible, the stirring frame 3 is positioned in a sub crucible 7, and the air hole array pipe 2 is positioned in a mother crucible 6. When the stirring shaft 1 is driven by a transmission device to rotate, the stirring frame 3 stirs the glass liquid in the homogenizing crucible 7, and the air hole array pipe 2 rotates along with the stirring glass liquid. The air source is connected to the rotary air connector 4 through the air pipe 5, and the rotary ventilation connector 4 can prevent the air pipe 5 from being wound. Inside reaching gas pocket battle tube 2 when gaseous through (mixing) shaft 1 is inside, gaseous dispersion goes out from intensive gas pocket 8, a large amount of small bubbles have been formed, under the effect of gas pocket battle tube 2 rotation, this kind of bubble of large tracts of land distribution in the female crucible 6, the bubble come-up in-process stirs and upper and lower convection current mixes the glass liquid in the female crucible 6, make glass liquid homogenization speed promote by a wide margin, and simultaneously, the small bubble of large tracts of land distribution can float out with higher speed after the remaining gas gathering grow of each position in the crucible fast, consequently, after stopping stirring and ventilating, the clarification required time shortens by a wide margin. After ventilation is stopped, the inner cavity of the stirring shaft 1 needs to be communicated with the atmosphere so that when glass liquid in the crucible is discharged or the stirrer is lifted out of the glass liquid, the glass liquid in the stirring shaft 1 and the air hole array pipe 2 can flow cleanly from the air holes in the bottom. The stirrer adopts rotary bubbling to generate bubble array homogenization, and is combined with frame homogenization to achieve the effects of rapid homogenization and clarification, thereby being particularly suitable for primary and secondary single-crucible glass smelting.
Fig. 4 and 5 show an embodiment 2 of the high-efficiency homogenizing and clarifying stirrer according to the present invention and its usage. Embodiment 2 comprises a stirring shaft 1, an air hole array pipe 2, an air hole array pipe 9, a rotary ventilation joint 4 and an air pipe 5. The air hole array pipe 9 is arranged at the bottom end of the stirring shaft 1, the air hole array pipe 2 is arranged at the lower part of the stirring shaft 1 and is a closed pipe with an inner cavity, the whole pipe wall is provided with air holes 8, and the diameter of each air hole 8 is 2 mm. The air hole array tube 2 and the air hole array tube 9 are mutually vertical and can also form an included angle of not 90 degrees. The stirring shaft 1 is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavities of the air hole array tubes 2 and 9. The upper end of the stirring shaft 1 is provided with a rotary ventilation joint 4, the rotary ventilation joint 4 is connected with an air pipe 5, and the air pipe 5 can be communicated with the stirring shaft 1 in the rotating process of the stirrer during ventilation. The stirrer is arranged at the position 30mm away from the bottom of the flat-bottom crucible 10, and the air source is connected to the rotary ventilation joint 4 through the air pipe 5, so that the air pipe 5 can be prevented from being wound by the rotary ventilation joint 4. When (mixing) shaft 1 is driven by transmission equipment and is rotated, two gas pocket battle tubes 2, 9 stir glass liquid, simultaneously gas passes through inside reaching gas pocket battle tube 2 and the gas pocket battle tube 9 of (mixing) shaft 1 inside, gaseous dispersion is gone out from intensive gas pocket 8, a large amount of small bubbles have been formed, under gas pocket battle tube 2, 9 rotatory effect, this kind of bubble of large tracts of land distribution in the crucible, the bubble come-up in-process stirs and upper and lower convection current mixes to the glass liquid in the flat-bottomed crucible 10, make glass liquid homogenization speed promote by a wide margin. After ventilation is stopped, the inner cavity of the stirring shaft 1 is communicated with the atmosphere, when glass liquid in the crucible is discharged or the stirrer is lifted out of the glass liquid surface, the glass liquid in the stirring shaft 1 and the air hole array pipes 2 and 9 can flow out from the air holes at the bottom. The stirrer is particularly suitable for glass production and clinker preparation of flat-bottomed crucibles.
Claims (8)
1. The utility model provides a stirrer device of homogenization and clarification for primary and secondary single crucible glass is smelted, includes (mixing) shaft (1) and stirring frame (3) that the bottom set up, its characterized in that: an air hole array pipe (2) is arranged at the lower part of the stirring shaft (1) above the stirring frame (3), and air holes (8) are formed in the whole pipe wall of the air hole array pipe (2); the stirring shaft (1) is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavity of the air hole array tube; the upper end of the stirring shaft (1) is provided with a rotary ventilation joint (4).
2. A homogenizing and clarifying stirrer device for flat-bottomed crucible glass melting and clinker preparation comprises a stirring shaft (1), and is characterized in that: the lower part of the stirring shaft (1) is provided with an air hole array pipe (2), and the bottom end of the stirring shaft is provided with an air hole array pipe (9); air holes (8) are formed in the whole pipe wall of the air hole array pipe (2) at the lower part of the stirring shaft (1) and the air hole array pipe (9) at the bottom end of the stirring shaft (1); the stirring shaft (1) is provided with an inner cavity with an opening at the upper end, and the inner cavity is communicated with the inner cavities of the air hole array pipes (2 and 9); the upper end of the stirring shaft (1) is provided with a rotary ventilation joint (4).
3. A homogenizing and clarifying agitator apparatus according to claim 1 or 2, wherein: the diameter of the air hole (8) is between 0.5mm and 5 mm.
4. A homogenizing and clarifying agitator apparatus according to claim 3, wherein: at least one air hole (8) is arranged on the air hole array tube positioned below the air hole array tube.
5. A homogenizing and clarifying agitator apparatus according to claim 1 or 2, wherein: the rotary ventilation joint (4) is connected with an air pipe (5).
6. A homogenizing and clarifying agitator apparatus according to claim 2, wherein: the lower air hole array tube (2) and the bottom air hole array tube (9) form an included angle.
7. A homogenizing and clarifying agitator apparatus according to claim 1 or 2, wherein: the air hole array pipe is a round pipe, a square pipe, an oval pipe, a sheet paddle type or a sheet paddle type pipe with a twisted state.
8. A homogenizing and clarifying agitator apparatus according to claim 3, wherein: the stirring frame includes a rectangular outer frame and a cross bracing structure in the rectangular outer frame, the cross sectional area of the cross bracing structure being smaller than that of the rectangular outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408472.4A CN107265831B (en) | 2017-06-02 | 2017-06-02 | Stirrer device for homogenization and clarification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408472.4A CN107265831B (en) | 2017-06-02 | 2017-06-02 | Stirrer device for homogenization and clarification |
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| Publication Number | Publication Date |
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| CN107265831A CN107265831A (en) | 2017-10-20 |
| CN107265831B true CN107265831B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710408472.4A Active CN107265831B (en) | 2017-06-02 | 2017-06-02 | Stirrer device for homogenization and clarification |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104938A (en) * | 2019-04-30 | 2019-08-09 | 湖北新华光信息材料有限公司 | One kind being used for high uniform optical glass production agitating device |
| CN111377594B (en) * | 2020-03-13 | 2022-05-13 | 新沂市磊晶石英材料有限公司 | Quartz sand smelting equipment and working method thereof |
| CN114804587A (en) * | 2022-04-27 | 2022-07-29 | 王凯泽 | Ultrathin ITO glass production line |
| CN115710082B (en) * | 2022-12-07 | 2023-12-05 | 蚌埠中光电科技有限公司 | Connecting device for high-end electronic float glass kiln and tin bath |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367761A (en) * | 1964-11-12 | 1968-02-06 | Owens Illinois Inc | Apparatus for homogenizing molten glass |
| JPS6121922A (en) * | 1984-07-06 | 1986-01-30 | Tanaka Kikinzoku Kogyo Kk | Stirrer for glass melting device |
| CN205088094U (en) * | 2015-10-14 | 2016-03-16 | 湖北新华光信息材料有限公司 | Two structural formula agitators |
-
2017
- 2017-06-02 CN CN201710408472.4A patent/CN107265831B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367761A (en) * | 1964-11-12 | 1968-02-06 | Owens Illinois Inc | Apparatus for homogenizing molten glass |
| JPS6121922A (en) * | 1984-07-06 | 1986-01-30 | Tanaka Kikinzoku Kogyo Kk | Stirrer for glass melting device |
| CN205088094U (en) * | 2015-10-14 | 2016-03-16 | 湖北新华光信息材料有限公司 | Two structural formula agitators |
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| CN107265831A (en) | 2017-10-20 |
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