CN212246745U - Device for removing bubbles of molten glass - Google Patents
Device for removing bubbles of molten glass Download PDFInfo
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- CN212246745U CN212246745U CN201922162860.6U CN201922162860U CN212246745U CN 212246745 U CN212246745 U CN 212246745U CN 201922162860 U CN201922162860 U CN 201922162860U CN 212246745 U CN212246745 U CN 212246745U
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Abstract
The utility model belongs to the technical field of optical glass and discloses a molten glass solution defoaming device.A direct current electric control device is arranged in an electric control system of a glass melting furnace, the negative pole of the direct current electric control device is electrically connected with platinum in a platinum channel, and the glass melting furnace is connected with the platinum channel; in the embodiment, the platinum directly contacted with the glass is contacted with the negative electrode charge, so that the platinum has negative charge, and finally, the glass in the platinum channel has negative charge, thereby preventing the cation in the platinum channel from being contacted with the negative oxygen ion, fundamentally preventing the formation of gas, and achieving the purpose of eliminating bubbles; in addition, the energization of the glass melt in the platinum channel also effects the electrolysis of the glass melt, thereby decomposing bubbles that have been formed in the glass melt.
Description
Technical Field
The utility model relates to the technical field of optical glass manufacturing, in particular to a bubble removing device for molten glass.
Background
Melting, fining and platinum channel homogenizing conveying methods are generally applied in glass manufacturing. In the method, the homogenizing and conveying function of the platinum channel is very important, the platinum channel is generally homogenized in an electric heating mode, the aim is to make the molten glass more uniform and avoid generating bubbles, impurities and the like, but the melting process of the glass completed in an indirect electric heating mode is a pure physical heating process, and except platinum, a heating body is not in contact with the glass; in long-term production, the temperature at the inlet of the platinum channel is very high, so that bubbles can not be completely eliminated only by a temperature equalization method; the device (CN202508971U) for removing bubbles from molten glass based on overflow downdraw method provided by chinese patent document is shown in fig. 1, and comprises a melting tank (1), a clarifying tank (2), and a platinum channel (3) connected in sequence, and is characterized in that: at least one group of serially connected U-shaped connecting pipelines (3-1) and air pressure control chambers (3-2) are additionally arranged at the inlet of the platinum channel (3), the outlet end of each air pressure control chamber (3-2) is communicated with the platinum channel (3), a negative pressure interface (3-3) is arranged in each air pressure control chamber (3-2), the technical scheme is based on the improvement of the structure of the platinum channel, and the U-shaped connecting pipelines are adopted to play the roles of diversion, mixing and homogenization, and the principle is as follows: the flow direction of the molten glass in the connecting pipe is changed rapidly, thereby achieving the effects of natural mixing and homogenization. Meanwhile, an air pressure control chamber is connected in series with the outlet end of the U-shaped connecting pipeline, so that molten glass liquid in the natural homogenization process flows out at the inlet end of the air pressure control chamber, and bubbles contained in the molten glass liquid can partially escape along with the flowing out process; in the process, a micro negative pressure environment is applied to the air pressure controllable box body at the same time, so that bubbles contained in the molten glass can continuously escape at the beginning of the bubbling and in a section of pipeline behind the bubbling, the overall bubble removing effect is optimized, and the purpose of conveying high-quality molten glass is finally achieved; although the technical scheme can effectively reduce bubbles in the molten glass, the volume of the kiln is increased, and more importantly, the technical scheme avoids bubble products and fundamentally eliminates the bubbles.
Disclosure of Invention
In order to solve the problems in the prior art, the device for removing bubbles from the molten glass melt is provided, which fundamentally prevents the generation of bubbles, thereby achieving the purpose of removing bubbles by purification.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a remove bubble device to molten state glass melt, this remove bubble device uses the method of removing the bubble to molten state glass melt to remove the bubble to glass melt, and it includes glass smelting pot, electrical system, platinum passageway, electrical system includes direct current electrical system and alternating current electrical system, the glass smelting pot includes melting tank and clarification tank, alternating current electrical system respectively in melting tank with the clarification tank is connected, the platinum passageway with the discharge gate of clarification tank is connected, direct current electrical system with platinum in the platinum passageway is connected.
As another preferable technical scheme of the utility model, the melting tank passes through the box formula passageway of melting tank bottom with the depositing reservoir intercommunication.
As another preferable technical solution of the present invention, a heating device is disposed outside the box type channel, and the heating device is connected to the ac electric control device.
As another preferable technical solution of the present invention, the upper portion of the box-type passage is provided with an exhaust hole.
The utility model discloses technical scheme's beneficial effect:
1. there are many carbonate and silicate components which are easily decomposed at high temperature in the glass raw material, and these components will generate a large amount of CO in the process of melting at high temperature2And SO2The technical scheme provided by the embodiment of the invention electrically connects the cathode of the direct current electric control device with platinum in a platinum channel, the glass melting furnace is connected with the platinum channel, and the platinum directly contacted with glass is connected with the cathode, so that the platinum is provided with negative charges, positive charge ions in molten glass melt are prevented from being combined with negative oxygen ions, the purpose of preventing gas from being formed is finally achieved, and the generation of gas is fundamentally prevented;
2. the embodiment of the utility model provides a platinum passageway is S column structure, and this structure can increase the contact volume of molten state glass liquid and platinum on the one hand, and on the other hand S column structure' S platinum passageway can also improve the degree of consistency of molten state glass liquid, simultaneously, gets rid of the bubble in the glass melt, promotes the quality of glass melt.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an apparatus for defoaming molten glass based on an overflow downdraw method;
FIG. 2 is a schematic view of a frame structure of a molten glass bubble removing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
In general, a large number of carbonate and silicate components which are easily decomposed at high temperature are present in glass raw materials, and these components generate a large amount of CO during the process of melting at high temperature2And SO2And the like.
The embodiment of the utility model provides a remove bubble device to molten state glass melt, refer to fig. 2 and show, including glass smelting pot, electrical system, platinum passageway, wherein, the glass smelting pot includes melting tank and clarification tank, electrical system includes direct current electrical system and alternating current electrical system, alternating current electrical system respectively in the melting tank with the clarification tank is connected, the platinum passageway with the discharge gate of clarification tank is connected, direct current electrical system with the platinum in the platinum passageway is connected; in this embodiment, a partition plate is disposed between the melting tank and the clarification tank, the partition plate is of a hollow structure, and simultaneously, the melting tank is communicated with the clarification tank through a box-type channel at the bottom of the melting tank, an exhaust hole is disposed at the upper part of the box-type channel, the box-type channel is connected with the partition plate, the exhaust hole is communicated with the hollow structure in the partition plate, when the glass melt in the melting tank flows through the box-type channel, bubbles in the glass melt are discharged through the exhaust hole at the upper part of the box-type channel, specifically, the exhaust hole is a one-way exhaust hole, so that preliminary discharge of bubbles in the molten glass melt is realized, in addition, the glass melting furnace is divided into the melting tank and the clarification tank by the partition plate, and the purpose of purifying the molten glass melt can be achieved, under normal conditions, the density of impurities is less than that the glass melt, when the glass, impurities float on the surface of the molten glass, the molten glass at the bottom of the melting tank is relatively clean on the one hand, the molten glass is relatively good in melting degree on the other hand, the molten glass entering the clarification tank through the box type channel is completely molten, bubbles in the molten glass in the clarification tank are further removed through further defoaming of the box type channel and the clarification tank, meanwhile, the quality of the molten glass is further optimized under the further melting of the clarification tank, and finally, when the molten glass is fed through the platinum channel, the molten glass is prevented from further generating gas in the molten glass through the platinum channel connected with negative charges, so that the purpose of supplying high-quality molten glass is achieved.
The heating device is arranged outside the box type channel and connected with the alternating current electric control device, and the solubility of gas in the glass melt with higher density is poorer along with the temperature rise of the melt, so that the defoaming speed of the glass melt in the box type channel is accelerated under the action of the heating device.
Specifically, in this embodiment, the platinum channel is in an S-shaped structure, which can increase the contact amount between the molten glass and platinum, and the platinum channel in the S-shaped structure can improve the uniformity of the molten glass, and meanwhile, remove bubbles in the molten glass, and improve the quality of the molten glass.
In the defoaming method for the defoaming device for the molten glass melt provided by the embodiment, the direct-current electric control device is arranged in an electric control system of the glass melting furnace, the cathode of the direct-current electric control device is electrically connected with platinum in a platinum channel, and the glass melting furnace is connected with the platinum channel; in the embodiment, the platinum directly contacted with the glass is contacted with the negative electrode charge, so that the platinum has negative charge, and finally, the glass in the platinum channel has negative charge, thereby preventing the cation in the platinum channel from being contacted with the negative oxygen ion, fundamentally preventing the formation of gas, and achieving the purpose of eliminating bubbles; in addition, the energization of the glass melt in the platinum channel also effects the electrolysis of the glass melt, thereby decomposing bubbles that have been formed in the glass melt.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The device for removing bubbles of molten glass melt is characterized by comprising a glass melting furnace, an electric control system and a platinum channel, wherein the electric control system comprises a direct current electric control device and an alternating current electric control device, the glass melting furnace comprises a melting tank and a clarification tank, the alternating current electric control device is respectively connected with the melting tank and the clarification tank, the platinum channel is connected with a discharge hole of the clarification tank, and the direct current electric control device is connected with platinum in the platinum channel.
2. A molten glass melt defoaming apparatus as claimed in claim 1, wherein said melting tank is in communication with said clarifier through a box-type channel in the bottom of said melting tank.
3. A molten glass bath bubble removing device as defined in claim 2, wherein a heating device is provided outside said box-type channel, said heating device being connected to said ac electric control device.
4. A molten glass bath as defined in claim 3, wherein a vent hole is provided in an upper portion of said box-type channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162860.6U CN212246745U (en) | 2019-12-05 | 2019-12-05 | Device for removing bubbles of molten glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162860.6U CN212246745U (en) | 2019-12-05 | 2019-12-05 | Device for removing bubbles of molten glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212246745U true CN212246745U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162860.6U Active CN212246745U (en) | 2019-12-05 | 2019-12-05 | Device for removing bubbles of molten glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212246745U (en) |
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2019
- 2019-12-05 CN CN201922162860.6U patent/CN212246745U/en active Active
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