CN113233737A - Molten glass clarifying device and molten glass clarifying method - Google Patents
Molten glass clarifying device and molten glass clarifying method Download PDFInfo
- Publication number
- CN113233737A CN113233737A CN202110481189.0A CN202110481189A CN113233737A CN 113233737 A CN113233737 A CN 113233737A CN 202110481189 A CN202110481189 A CN 202110481189A CN 113233737 A CN113233737 A CN 113233737A
- Authority
- CN
- China
- Prior art keywords
- molten glass
- pipe
- fining
- tube
- clarifying
- 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.)
- Pending
Links
- 239000006060 molten glass Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000005352 clarification Methods 0.000 claims description 29
- 238000005485 electric heating Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000007663 fining method Methods 0.000 claims 3
- 238000007670 refining Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 17
- 230000002349 favourable effect Effects 0.000 abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 239000000047 product Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
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
- C03B5/225—Refining
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The present disclosure relates to a molten glass refining apparatus and a molten glass refining method, the molten glass refining apparatus includes a refining pipe, a refining chamber is defined by a pipe shell, and an exhaust pipe is disposed above the pipe shell, one end of the exhaust pipe on its axis communicates with the refining chamber, and the other end communicates with an external space, the pipe shell is connected with a refining pipe heating device, and an auxiliary heating device is disposed outside the exhaust pipe, the exhaust pipe includes a vertical pipe portion and an inclined pipe portion connected, the central axis of the vertical pipe portion intersects with the central axis of the inclined pipe portion, the vertical pipe portion extends along a Z direction and has a first end and a second end opposite to each other in the Z direction, the vertical pipe portion passes through the pipe shell at the first end to communicate with the refining chamber, and the inclined pipe portion is arc-shaped transitionally connected to the second end and extends downward from the second end. The glass liquid clarifying device can effectively improve the temperature gradient of glass liquid in the flow direction and the temperature gradient of the glass liquid in the height direction of the clarifying cavity, and is further favorable for improving the clarifying effect of the glass liquid.
Description
Technical Field
The disclosure relates to the technical field of glass manufacturing, in particular to a molten glass clarifying device and a molten glass clarifying method.
Background
In the manufacturing process of UTG glass, microcrystalline glass, TFT glass, LTPS glass, OLED glass and other glass, a large amount of volatile matters such as bubbles are generated after batch materials are melted into molten glass in a kiln process, the molten glass needs to be sent into a platinum channel for clarification and adjustment, then the molten glass is sent to a forming process to be made into substrate glass or semi-finished products with other shapes, and finally the semi-finished products are processed to be made into finished products.
With the continuous improvement of the quality of glass products in the market, the specifications of bubbles and stones in the glass need to be strictly controlled. The main reason for influencing the indexes of glass bubbles and stones is the clarification effect of the glass liquid in the clarification pipe of the platinum channel through the process analysis of the glass product. In the related technology, the clarifying pipe of the platinum channel is made of platinum or platinum alloy, and the wall of the platinum pipe is heated, so that the molten glass flowing in the clarifying pipe is heated, the viscosity of the molten glass is reduced, and bubbles dissolved in the molten glass can escape from the molten glass to achieve the purpose of clarification. The existing clarifying pipe with the platinum channel is unreasonable in temperature arrangement of the clarifying pipe and arrangement of the exhaust pipe, so that the clarifying effect of molten glass is limited by the temperature gradient of the molten glass in the flow direction and the temperature gradient of the molten glass in the height direction of the clarifying pipe, and the quality of glass products is influenced.
Disclosure of Invention
The purpose of the disclosure is to provide a molten glass clarifying device, which can effectively improve the temperature gradient of molten glass in the flow direction and the temperature gradient in the height direction of a clarifying cavity, and is further beneficial to improving the clarifying effect of the molten glass.
In order to achieve the above object, the present disclosure provides a molten glass refining apparatus including a refining tube including a tube shell defining a refining chamber for containing molten glass and having a molten glass inlet at one end and a molten glass outlet at the other end on an axis, and an exhaust pipe disposed above the tube shell and having one end on its axis communicating with the refining chamber and the other end communicating with an external space, the tube shell being connected with a refining tube heating device and an auxiliary heating device disposed outside the exhaust pipe, wherein the exhaust pipe includes a vertical pipe portion and an inclined pipe portion connected to each other, a central axis of the vertical pipe portion intersects a central axis of the inclined pipe portion, the vertical pipe portion extends in a Z direction and has a first end and a second end opposite to each other in the Z direction, the standpipe portion communicates with the fining chamber through a shell tube at the first end, and the sloped tube portion is arcuately connected to and extends downwardly from the second end.
Optionally, the number of the exhaust pipes is one, and the exhaust pipes are arranged at one end of the pipe shell close to the molten glass outlet, wherein the distance between the central axis of the exhaust pipe and the molten glass outlet is not more than 500 mm.
Optionally, the angle between the central axis of the inclined tube part and the central axis of the standpipe part is 0-30 °.
Optionally, an auxiliary heating device is arranged on the outer side of each of the vertical pipe part and the inclined pipe part.
Optionally, the fining tube heating device and the auxiliary heating device are both configured as electrical heating devices.
Optionally, the cross-sectional area of the vent pipe is 1% -5% of the area of the preset liquid level of the molten glass in the fining chamber.
On the basis of the scheme, the disclosure also provides a molten glass refining method, which uses the molten glass refining device, and comprises the following steps: glass liquid enters a clarification cavity in the tube shell from the glass liquid inlet; the clarifying pipe heating device heats the molten glass in the clarifying cavity to 1500-1650 ℃; the auxiliary heating device heats the temperature of the vertical pipe part of the exhaust pipe to be not less than 1300 ℃, and heats the temperature of at least the middle section of the inclined pipe part of the exhaust pipe to be not less than 1250 ℃; the molten glass passing through the fining chamber flows out of the tube shell through the molten glass outlet.
Optionally, the fining tube heating device heats the molten glass in the fining tube such that the temperature of the molten glass continuously and uniformly increases from the molten glass inlet to the molten glass outlet, wherein the temperature difference between the molten glass at the molten glass inlet and the molten glass outlet is no greater than 50 ℃.
Optionally, in the step of heating the molten glass in the fining chamber by the fining tube heating device, the molten glass is heated to 1500-1650 ℃, and when the molten glass in the fining chamber reaches a preset liquid level area, the liquid level height of the molten glass is 0.8-0.9 times the height of the fining chamber.
Through the technical scheme, in the glass liquid clarification device that this disclosure provided, the tube shell is connected with clarification pipe heating device, a glass liquid for to clarification intracavity heats, glass liquid viscosity reduces like this, volatile matters such as the bubble of dissolving in the glass liquid will effusion glass liquid, can effectively improve the temperature gradient of glass liquid in the direction of flow direction through rationally setting up clarification pipe heating device, thereby be favorable to the effusion of volatile matters such as the bubble in the glass liquid, thereby be favorable to improving the clarification effect of glass liquid, the setting of the auxiliary heating device outside the blast pipe then can avoid volatile matters such as the bubble in the glass liquid to condense and fall on the blast pipe, thereby effectively improve the temperature gradient of glass liquid in the direction of height of clarification chamber, be favorable to further improving the clarification effect of glass liquid. In addition, the standpipe part and the inclined pipe part of the exhaust pipe are arranged, so that on one hand, the condensation and falling chances of volatile matters such as bubbles in the exhaust pipe can be further reduced, the clarifying effect of molten glass is improved, on the other hand, the situation that the temperature environment and the airflow environment in the pipe shell are fluctuated due to the fact that the volatile matters such as bubbles in the molten glass are directly discharged from the clarifying cavity can be avoided, the airflow environment and the temperature environment in the pipe shell can be more stable, and the clarifying effect of the molten glass can be further improved. Therefore, the glass metal clarifying device provided by the disclosure can effectively improve the temperature gradient of glass metal in the flowing direction and the temperature gradient of the glass metal in the height direction of the clarifying cavity, and is further favorable for improving the clarifying effect of the glass metal.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic diagram of a configuration of a molten glass fining apparatus provided in accordance with an embodiment of the present disclosure;
FIG. 2 is another schematic structural view of a molten glass fining device provided in accordance with an embodiment of the present disclosure, wherein a standpipe portion and a tube chute portion are shown.
Description of the reference numerals
10-clarifying tube; 1-a pipe shell; 11-a clarification chamber; 12-molten glass inlet; 13-molten glass outlet; 2-an inlet tube; 3-an outlet pipe; 4-an exhaust pipe; 41-a standpipe portion; 42-a chute section; 5-auxiliary heating device; 6-electrodes.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional words such as "upper and lower" refers to upper and lower on the drawing plane of the corresponding figure 1; "inner and outer" refer to the inner and outer contours of the component itself; moreover, the use of the terms first, second, etc. are intended to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.
According to the specific embodiment of the present disclosure, a molten glass refining device is provided, and fig. 1 to 2 show an example of the molten glass refining device, wherein, referring to fig. 1 and 2, the molten glass refining device comprises a fining tube 10, the fining tube 10 comprises a tube shell 1, the tube shell 1 defines a fining chamber 11 for containing molten glass, one end of the tube shell 1 on the axis is provided with a molten glass inlet 12, the other end is provided with a molten glass outlet 13, an exhaust tube 4 is arranged above the tube shell 1, one end of the exhaust tube 4 on the axis is communicated with the fining chamber 11, the other end is communicated with the external space, the tube shell 1 is connected with a fining tube heating device, and the outer side of the exhaust tube 4 is provided with an auxiliary heating device 5, wherein the exhaust tube 4 comprises a vertical tube part 41 and an inclined tube part 42 which are connected, the central axis of the riser part 41 intersects the central axis of the inclined tube part 42, the riser part 41 extends in the Z-direction and has a first end and a second end opposite to each other in the Z-direction, the riser part 41 communicates with the clarification chamber 11 through the shell vessel 1 at the first end, and the inclined tube part 42 arcuately transitions to and extends obliquely downward from the second end.
Through the technical scheme, in the glass liquid clarification device that this disclosure provided, tube shell 1 is connected with clarification pipe heating device, be used for heating the glass liquid in clarification chamber 11, the glass liquid viscosity reduces like this, volatile matters such as the bubble of dissolving in the glass liquid will effusion glass liquid, can effectively improve the temperature gradient of glass liquid in the flow direction side through rationally setting up clarification pipe heating device, thereby be favorable to the effusion of volatile matters such as the bubble in the glass liquid, thereby be favorable to improving the clarification effect of glass liquid, the setting of auxiliary heating device 5 in the blast pipe 4 outside then can avoid volatile matters such as the bubble in the glass liquid to condense and fall on blast pipe 4, thereby effectively improve the temperature gradient of glass liquid on the direction of height in clarification chamber, be favorable to further improving the clarification effect of glass liquid. In addition, the standpipe portion 41 and the inclined pipe portion 42 of the exhaust pipe 4 are arranged, so that on one hand, the condensation and falling chances of volatile matters such as bubbles in the exhaust pipe 4 can be further reduced, the clarifying effect of the molten glass is improved, on the other hand, the situation that the temperature environment and the airflow environment in the pipe shell 1 fluctuate due to the fact that the volatile matters such as bubbles in the molten glass are directly discharged from the clarifying cavity 11 can be avoided, the airflow environment and the temperature environment in the pipe shell 1 are enabled to be more stable, and the clarifying effect of the molten glass is further improved. Therefore, the glass metal clarifying device provided by the disclosure can effectively improve the temperature gradient of glass metal in the flowing direction and the temperature gradient of the glass metal in the height direction of the clarifying cavity, and is further favorable for improving the clarifying effect of the glass metal.
It should be noted that there are many arrangements of the molten glass inlet 12 and the molten glass outlet 13, and alternatively, as shown in fig. 1, one end of the tube shell 1 on the axis is connected to the inlet tube 2, the other end is connected to the outlet tube 3, the molten glass inlet 12 is formed at the junction of the inlet tube 2 and the tube shell 1 and is provided on the tube shell 1, and the molten glass outlet 13 is formed at the junction of the outlet tube 3 and the tube shell 1 and is provided on the tube shell 1. The disclosure is not limited in this regard. In addition, the tube shell 1, the inlet pipe 2, the outlet pipe 3 and the exhaust pipe 4 can be respectively configured in any suitable manner, alternatively, the tube shell 1, the inlet pipe 2, the outlet pipe 3 and the exhaust pipe 4 are all made of platinum or platinum rhodium alloy or zirconium oxide dispersed precious metal, and the cross section of the tube shell 1, the inlet pipe 2, the outlet pipe 3 and the exhaust pipe 4 is configured in a circular or oval shape, in other embodiments of the disclosure, the tube shell 1, the inlet pipe 2, the outlet pipe 3 and the exhaust pipe 4 can be configured in other configurations, and the disclosure is not limited thereto, and the skilled person can select the configuration according to the actual needs.
In the embodiment provided by the present disclosure, the exhaust pipes 4 may be configured in any suitable manner, and alternatively, as shown in fig. 1, the number of the exhaust pipes 4 may be one and the exhaust pipes 4 are disposed at one end of the tube shell 1 near the molten glass outlet 13, such a manner that the temperature gradient of the molten glass in the fining chamber 11 is more stable and uniform, thereby further improving the fining stability of the molten glass in the fining chamber 11. Wherein the distance between the central axis of the exhaust pipe 4 and the molten glass outlet 13 may be not more than 500 mm. Alternatively, the distance between the central axis of the exhaust pipe 4 and the molten glass outlet 13 may be not more than 300 mm; further alternatively, the distance between the central axis of the exhaust pipe 4 and the molten glass outlet 13 may be not more than 150mm, and in other embodiments of the present disclosure, the exhaust pipe 4 may be configured in other ways, and the present disclosure is not limited thereto, and those skilled in the art can select the distance adaptively according to actual needs.
In the embodiment provided by the present disclosure, referring to fig. 2, an included angle between a central axis of the inclined tube portion 42 and a central axis of the vertical tube portion 41 may be 0 ° to 30 °, so as to prevent volatile matters such as bubbles in the molten glass from condensing and falling in the vertical tube portion 41 of the exhaust tube 4, thereby effectively avoiding generation of volatile condensed calculus defects, and facilitating improvement of the clarifying effect of the molten glass. Alternatively, the angle between the central axis of the tube chute section 42 and the central axis of the standpipe section 41 can be 3 ° -15 °; further alternatively, the angle between the central axis of the chute section 42 and the central axis of the standpipe section 41 can be 5 ° to 8 °, for which the present disclosure is not limited in any way and can be adaptively selected by a person skilled in the art according to actual needs.
In the specific embodiment provided by the present disclosure, referring to fig. 1 and fig. 2, the outside of the vertical pipe portion 41 and the outside of the inclined pipe portion 42 may be provided with the auxiliary heating device 5, and the auxiliary heating device 5 may prevent volatile matters such as bubbles in the molten glass from condensing and falling on the exhaust pipe 4, so as to effectively improve the temperature gradient of the molten glass in the height direction of the fining chamber, which is beneficial to further improve the fining effect of the molten glass, and further improve the quality of glass products.
In the embodiments provided by the present disclosure, the fining tube heating device and the auxiliary heating device 5, respectively, can be configured in any suitable manner, alternatively, as shown with reference to fig. 1 and 2, both the fining tube heating device and the auxiliary heating device 5 can be configured as electrical heating devices. Wherein the fining tube heating device may be configured as an electrode 6 attached to the inner wall of the tube housing 1, and current is introduced to the inner wall of the tube housing 1 through the electrodes 6 provided at both ends of the tube housing 1, and the temperature of the glass liquid flowing therethrough is adjusted by heating the inner wall of the tube housing 1 to a predetermined temperature. The auxiliary heating means 5 may be constructed as an electric heating means for heating by a heating wire made of platinum and its alloy, wherein the same auxiliary heating means 5 may be provided on the outer sides of the vertical pipe portion 41 and the inclined pipe portion 42, and different auxiliary heating means may be provided, to which the present disclosure is not limited in any way, and those skilled in the art can adaptively select according to actual needs. In other embodiments of the disclosure, the fining tube heating device and the auxiliary heating device 5 may be configured in other ways, and the disclosure is not limited in any way.
In the specific embodiment provided by the present disclosure, the vent pipe 4 may be configured in any suitable manner, alternatively, as shown in fig. 1, the cross-sectional area of the vent pipe 4 may be 1% to 5% of the preset liquid level area of the molten glass in the fining chamber 11, and the restriction of the cross-sectional area of the vent pipe 4 may stabilize the gas flow environment and the temperature environment in the tube shell 1 after volatiles such as bubbles in the molten glass are discharged from the fining chamber 11, so that the temperature gradient of the molten glass in the fining chamber 11 may be more stable and uniform, thereby further improving the fining stability of the molten glass in the fining chamber 11. Alternatively, the cross-sectional area of the vent 4 may be 1.8% to 3.5% of the area of the predetermined level of molten glass in the fining chamber 11; further alternatively, the cross-sectional area of the vent tube 4 may be 1.9% to 2.8% of the area of the predetermined level of molten glass in the fining chamber 11. In other embodiments of the present disclosure, the exhaust pipe 4 may also be configured in other ways, and the present disclosure is not limited thereto, and those skilled in the art can adaptively select the exhaust pipe according to actual needs.
On the basis of the scheme, the disclosure also provides a molten glass refining method, which uses the molten glass refining device, and comprises the following steps: the molten glass enters the fining chamber 11 in the shell tube 1 from the molten glass inlet 12; the clarifying pipe heating device heats the molten glass in the clarifying cavity 11 to 1500-1650 ℃; the auxiliary heating device 5 heats the temperature of the vertical pipe part 41 of the exhaust pipe 4 to be not less than 1300 ℃, and heats the temperature of at least the middle section of the inclined pipe part 42 of the exhaust pipe 4 to be not less than 1250 ℃; the molten glass passing through the fining chamber 11 exits the cartridge 1 through the molten glass outlet 13. Namely, the glass liquid in the clarification chamber 11 is heated to 1500-1650 ℃ by the clarification pipe heating device to effectively improve the temperature gradient of the glass liquid in the flow direction, the temperature of the vertical pipe part 41 of the exhaust pipe 4 is heated to not less than 1300 ℃ by the auxiliary heating device 5, and the temperature of at least the middle section of the inclined pipe part 42 of the exhaust pipe 4 is heated to not less than 1250 ℃ to effectively improve the temperature gradient of the glass liquid in the height direction of the clarification chamber, thereby avoiding the temperature gradient in the flow direction and the temperature gradient fluctuation in the height direction in the traditional glass clarification production process, and optimizing the clarification efficiency of the glass liquid in the clarification chamber 11 by the glass liquid clarification method.
In the specific embodiment provided by the present disclosure, the fining tube heating device heats the molten glass in the fining tube to make the temperature of the molten glass continuously and uniformly increase from the molten glass inlet 12 to the molten glass outlet 13, wherein the temperature difference between the molten glass at the molten glass inlet 12 and the molten glass outlet 13 is not more than 50 ℃, so as to further improve the temperature gradient of the molten glass in the flow direction and the temperature gradient in the height direction of the fining chamber, and facilitate the escape of volatile matters such as bubbles in the molten glass.
In the specific embodiment provided by the present disclosure, in the step of heating the molten glass in the fining chamber 11 to 1500 ℃ -1650 ℃, when the molten glass in the fining chamber reaches a preset liquid level area, the liquid level height of the molten glass is 0.8-0.9 times of the height of the fining chamber 11, so as to provide an escape space for enough volatile substances such as bubbles, and limit the size of the escape space, thereby ensuring that the volatile substances such as bubbles escape, and simultaneously avoiding the temperature environment and the airflow environment in the cartridge 1 from fluctuating due to the direct discharge of the volatile substances such as bubbles in the molten glass from the fining chamber 11, so that the airflow environment and the temperature environment in the cartridge 1 are more stable, and further improving the fining effect of the molten glass.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (9)
1. The molten glass clarifying device is characterized by comprising a clarifying pipe (10), wherein the clarifying pipe (10) comprises a pipe shell (1), the pipe shell (1) is limited with a clarifying cavity (11) for containing molten glass, one end of the pipe shell (1) on the axis is provided with a molten glass inlet (12), the other end of the pipe shell is provided with a molten glass outlet (13), an exhaust pipe (4) is arranged above the pipe shell (1), one end of the exhaust pipe (4) on the axis is communicated with the clarifying cavity (11), the other end of the exhaust pipe is communicated with the external space, the pipe shell (1) is connected with a clarifying pipe heating device, and the outer side of the exhaust pipe (4) is provided with an auxiliary heating device (5),
wherein the vent pipe (4) comprises a vertical pipe part (41) and an inclined pipe part (42) which are connected, the central axis of the vertical pipe part (41) is intersected with the central axis of the inclined pipe part (42), the vertical pipe part (41) extends along the Z direction and is provided with a first end and a second end which are opposite to each other in the Z direction, the vertical pipe part (41) is communicated with the clarification cavity (11) through the pipe shell (1) at the first end, and the inclined pipe part (42) is in arc transition connection with the second end and extends downwards from the second end.
2. A molten glass fining apparatus according to claim 1, wherein the number of the exhaust pipes (4) is one and the exhaust pipes (4) are provided at one end of the tube shell (1) near the molten glass outlet (13), wherein the distance between the central axis of the exhaust pipes (4) and the molten glass outlet (13) is not more than 500 mm.
3. A molten glass fining apparatus according to claim 1, characterized in that the angle between the central axis of the tube chute section (42) and the central axis of the standpipe section (41) is 0 ° to 30 °.
4. A device according to claim 3, characterized in that the riser part (41) and the pipe chute part (42) are provided with auxiliary heating means (5) on the outside.
5. The molten glass fining device according to any one of claims 1 to 4, wherein the fining tube heating device and the auxiliary heating device (5) are each configured as an electric heating device.
6. A molten glass fining apparatus according to claim 1, characterized in that the cross-sectional area of the exhaust tube (4) is 1-5% of the area of the predetermined level of molten glass in the fining chamber (11).
7. A molten glass fining method characterized by using the molten glass fining apparatus according to any one of claims 1 to 6, comprising the steps of:
glass liquid enters a fining cavity (11) in the tube shell (1) from the glass liquid inlet (12);
the clarifying pipe heating device heats the molten glass in the clarifying cavity (11) to 1500-1650 ℃;
the auxiliary heating device (5) heats the temperature of a vertical pipe part (41) of the exhaust pipe (4) to be not less than 1300 ℃, and heats the temperature of at least the middle section of an inclined pipe part (42) of the exhaust pipe (4) to be not less than 1250 ℃;
the molten glass passing through the fining chamber (11) flows out of the tube shell (1) through the molten glass outlet (13).
8. The molten glass fining method according to claim 7, wherein the fining tube heating device heats the molten glass in the fining tube such that the temperature of the molten glass increases continuously and uniformly from the molten glass inlet (12) to the molten glass outlet (13),
wherein the temperature difference between the molten glass at the molten glass inlet (12) and the molten glass at the molten glass outlet (13) is not more than 50 ℃.
9. The molten glass fining method according to claim 7, wherein the fining tube heating device heats the molten glass in the fining chamber (11) to 1500 ℃ to 1650 ℃, and the height of the molten glass in the fining chamber is 0.8 to 0.9 times the height of the fining chamber (11) when the molten glass reaches a predetermined liquid level area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110481189.0A CN113233737A (en) | 2021-04-30 | 2021-04-30 | Molten glass clarifying device and molten glass clarifying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110481189.0A CN113233737A (en) | 2021-04-30 | 2021-04-30 | Molten glass clarifying device and molten glass clarifying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113233737A true CN113233737A (en) | 2021-08-10 |
Family
ID=77131817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110481189.0A Pending CN113233737A (en) | 2021-04-30 | 2021-04-30 | Molten glass clarifying device and molten glass clarifying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113233737A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560619A (en) * | 2021-12-20 | 2022-05-31 | 彩虹显示器件股份有限公司 | Device for maintaining temperature of exhaust port of platinum channel |
| CN115093106A (en) * | 2022-07-27 | 2022-09-23 | 蚌埠中光电科技有限公司 | Efficient clarification platinum channel adopting graded bubble discharge |
| CN115677176A (en) * | 2022-11-15 | 2023-02-03 | 青岛融合光电科技有限公司 | Negative-pressure homogenizing and clarifying device and clarifying method for molten glass channel |
| CN116023000A (en) * | 2022-12-30 | 2023-04-28 | 青岛融合光电科技有限公司 | Glass liquid channel for classifying, negative pressure bubble removal, homogenization and clarification |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935146A (en) * | 2010-03-24 | 2011-01-05 | 河北东旭投资集团有限公司 | Treatment method of glass metal in platinum channel |
| CN202785950U (en) * | 2012-07-31 | 2013-03-13 | 彩虹显示器件股份有限公司 | Device for clarifying molten glass |
| CN204702645U (en) * | 2015-05-20 | 2015-10-14 | 芜湖东旭光电科技有限公司 | A kind of platinum channel glass metal vacuum row bulb apparatus |
| CN206408090U (en) * | 2016-12-30 | 2017-08-15 | 陕西彩虹电子玻璃有限公司 | It is a kind of that the clarification pipe device that bubble is discharged in production is melted for high alumina cover-plate glass |
| CN206828356U (en) * | 2017-06-01 | 2018-01-02 | 东旭科技集团有限公司 | A kind of platinum channel |
| CN107827338A (en) * | 2017-10-11 | 2018-03-23 | 湖北新华光信息材料有限公司 | A kind of glass clarifying device and defecation method |
| CN109896724A (en) * | 2019-04-23 | 2019-06-18 | 蚌埠中光电科技有限公司 | A kind of glass platinum channel clarifier |
| CN109896725A (en) * | 2019-04-23 | 2019-06-18 | 蚌埠中光电科技有限公司 | A kind of glass metal clarifier |
| CN110395881A (en) * | 2019-07-19 | 2019-11-01 | 东旭(锦州)精密光电科技有限公司 | A kind of glass metal clarifying equipment and glass metal defecation method |
| CN110451774A (en) * | 2019-09-24 | 2019-11-15 | 成都光明光电股份有限公司 | The clarifier and its method of special glass conveyer system |
| CN210506042U (en) * | 2019-09-24 | 2020-05-12 | 成都光明光电股份有限公司 | Clarifying device of special glass conveying system |
-
2021
- 2021-04-30 CN CN202110481189.0A patent/CN113233737A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935146A (en) * | 2010-03-24 | 2011-01-05 | 河北东旭投资集团有限公司 | Treatment method of glass metal in platinum channel |
| CN202785950U (en) * | 2012-07-31 | 2013-03-13 | 彩虹显示器件股份有限公司 | Device for clarifying molten glass |
| CN204702645U (en) * | 2015-05-20 | 2015-10-14 | 芜湖东旭光电科技有限公司 | A kind of platinum channel glass metal vacuum row bulb apparatus |
| CN206408090U (en) * | 2016-12-30 | 2017-08-15 | 陕西彩虹电子玻璃有限公司 | It is a kind of that the clarification pipe device that bubble is discharged in production is melted for high alumina cover-plate glass |
| CN206828356U (en) * | 2017-06-01 | 2018-01-02 | 东旭科技集团有限公司 | A kind of platinum channel |
| CN107827338A (en) * | 2017-10-11 | 2018-03-23 | 湖北新华光信息材料有限公司 | A kind of glass clarifying device and defecation method |
| CN109896724A (en) * | 2019-04-23 | 2019-06-18 | 蚌埠中光电科技有限公司 | A kind of glass platinum channel clarifier |
| CN109896725A (en) * | 2019-04-23 | 2019-06-18 | 蚌埠中光电科技有限公司 | A kind of glass metal clarifier |
| CN110395881A (en) * | 2019-07-19 | 2019-11-01 | 东旭(锦州)精密光电科技有限公司 | A kind of glass metal clarifying equipment and glass metal defecation method |
| CN110451774A (en) * | 2019-09-24 | 2019-11-15 | 成都光明光电股份有限公司 | The clarifier and its method of special glass conveyer system |
| CN210506042U (en) * | 2019-09-24 | 2020-05-12 | 成都光明光电股份有限公司 | Clarifying device of special glass conveying system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560619A (en) * | 2021-12-20 | 2022-05-31 | 彩虹显示器件股份有限公司 | Device for maintaining temperature of exhaust port of platinum channel |
| CN115093106A (en) * | 2022-07-27 | 2022-09-23 | 蚌埠中光电科技有限公司 | Efficient clarification platinum channel adopting graded bubble discharge |
| CN115093106B (en) * | 2022-07-27 | 2023-06-20 | 蚌埠中光电科技有限公司 | Efficient clarification platinum channel adopting grading foam discharging |
| CN115677176A (en) * | 2022-11-15 | 2023-02-03 | 青岛融合光电科技有限公司 | Negative-pressure homogenizing and clarifying device and clarifying method for molten glass channel |
| CN116023000A (en) * | 2022-12-30 | 2023-04-28 | 青岛融合光电科技有限公司 | Glass liquid channel for classifying, negative pressure bubble removal, homogenization and clarification |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113233737A (en) | Molten glass clarifying device and molten glass clarifying method | |
| KR101482293B1 (en) | Molten glass delivery apparatus for optical quality glass | |
| CN106746497A (en) | Platinum channel agitator and platinum channel stirring barrel | |
| JP2005022969A (en) | Method and apparatus for melting inorganic substance | |
| CN104926081B (en) | Glass melting apparatus and melting method thereof | |
| CN206828356U (en) | A kind of platinum channel | |
| EP2248774B1 (en) | Vacuum degassing apparatus and vacuum degassing method for molten glass | |
| CN103130398B (en) | Float glass runner | |
| CN208362171U (en) | A kind of energy saving kiln | |
| CN113480144B (en) | Clarification and homogenization system and method for producing flexible glass based on overflow downdraw method | |
| CN107298521B (en) | Glass manufacturing apparatus and method for manufacturing high-transmittance optical glass | |
| KR20210030252A (en) | Glass article manufacturing method, manufacturing apparatus, and glass substrate | |
| TW201315700A (en) | Glass melting device, device for producing fiberglass, and method for producing fiberglass | |
| CN1370135A (en) | Device for continuously melting and reinfing inorganic compounds, esp. glasses and glass ceramics | |
| CN110395881A (en) | A kind of glass metal clarifying equipment and glass metal defecation method | |
| US4504302A (en) | Homogenizing apparatus glass making furnace and method of homogenizing glass | |
| CN113754245A (en) | Kiln and glass production method | |
| CN109896724A (en) | A kind of glass platinum channel clarifier | |
| CN104986940B (en) | Glass melting set and its melting method increased the service life | |
| CN114436505B (en) | Optical glass clarifying device and clarifying method thereof | |
| KR20200033897A (en) | Method and device for adjustable glass ribbon heat transfer | |
| CN1217867C (en) | Hexagonal step type electrofusion furnace technology for high boron silicon instrument galss | |
| TW201318989A (en) | Glass melting device, device for forming fiberglass, and method for forming fiberglass | |
| CN204958701U (en) | Glass melting device | |
| WO2015194642A1 (en) | Structure for discharging extraneous base material from molten glass, device for manufacturing glass product, and manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
|
| RJ01 | Rejection of invention patent application after publication |