CN216998130U - Device for maintaining temperature of exhaust port of platinum channel - Google Patents
Device for maintaining temperature of exhaust port of platinum channel Download PDFInfo
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- CN216998130U CN216998130U CN202123216106.XU CN202123216106U CN216998130U CN 216998130 U CN216998130 U CN 216998130U CN 202123216106 U CN202123216106 U CN 202123216106U CN 216998130 U CN216998130 U CN 216998130U
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Abstract
The utility model discloses a device for keeping the temperature of an exhaust port of a platinum channel, and belongs to the field of substrate glass manufacturing. The electrode comprises an electrode sleeve, wherein a disc of an electrode is welded at the opening end of the electrode sleeve, and a wiring bar is arranged on the periphery of the disc of the electrode; the electrode sleeve is sleeved on the periphery of the clarification exhaust pipe, and the clarification exhaust pipe is communicated with the platinum body; a first gap is formed between the electrode sleeve and the clarifying exhaust pipe, zirconia hollow ball powder is filled in the first gap, a heat-insulating brick is sleeved outside the electrode sleeve, the heat-insulating brick is sleeved outside the electrode sleeve, a second gap is formed between the electrode sleeve and the heat-insulating brick, and slurry of zirconia powder with the granularity of less than 0.05mm is filled in the second gap. The utility model is applied to the clarification exhaust pipe area, and solves the problems of clarification exhaust pipe crystallization and electrode service life.
Description
Technical Field
The utility model belongs to the field of substrate glass manufacturing, and particularly relates to a device for maintaining the temperature of an exhaust port of a platinum channel.
Background
The clarification gas vent is located platinum passageway clarification regional exit position, the main function that the clarification region was undertaken is the high temperature of glass liquid and clarifies the bubble of discharging, through clarifier and higher process temperature, cause the glass liquid to produce a large amount of bubbles and take out numerous littleer bubbles in the clarification district, break through liquid level tension and get rid of gas, consequently reserve the space that holds gas temporarily in the inside top of clarification pipe, set up the communicating clarification exhaust pipe structure with the external world at the end in space, discharge a large amount of clarification gases of inside production, also can clarifier self and the high temperature volatile matter of platinum body material in the inside gas simultaneously.
The clarification blast pipe adopts perpendicular to glass flow direction design, and there is certain decurrent angle, because the outside direction of clarification blast pipe to insulation material stretches out, consequently there is the trend that reduces in its inside temperature, and this trend is big more easily cause the condensation crystallization of a large amount of volatile gas in inside more, further attach to on the clarification blast pipe inner wall, the continuous accumulation can cause the inside jam of clarification blast pipe, consequently general can design the loop of direct heating on the clarification blast pipe, be used for improving the inside temperature of clarification blast pipe, especially be close to the position of end region more, it is closer to with outer environment, thermal insulation performance is more weak. However, in the conventional direct heating loop, one end electrode is welded with the end part of the exhaust port, the other end electrode depends on the flange electrode of the internal main body section, and the electrode located in the end part area is closer to the external environment, the heat preservation performance is poorer, and the sealing performance is also poor, so that a large amount of oxidation and volatilization can occur in the welding area of the electrode and the clarification exhaust pipe, and the volatilization can cause the loss of platinum materials along with the extension of time, finally the electrode is broken, and further the function of the heating loop is lost, so that the cooling amplitude in the clarification exhaust pipe is greatly increased, the condensation and the blockage of internal high-temperature gas are caused, and the unsmooth exhaust is caused, and even the fluctuation of the liquid level in the clarification pipe is caused.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the disadvantages of the prior art described above and to provide an apparatus for maintaining the temperature of the exhaust port of a platinum channel.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a device for maintaining the temperature of an exhaust port of a platinum channel comprises an electrode sleeve, wherein an open end of the electrode sleeve is provided with a disk of an electrode, and the periphery of the disk of the electrode is provided with a wiring bar; the electrode sleeve is sleeved on the periphery of the clarification exhaust pipe, and the clarification exhaust pipe is communicated with the platinum body;
a first gap is formed between the electrode sleeve and the clarifying exhaust pipe, zirconia hollow ball powder is filled in the first gap, a heat-insulating brick is sleeved outside the electrode sleeve, a second gap is formed between the electrode sleeve and the heat-insulating brick, and slurry of zirconia powder with the granularity of less than 0.05mm is filled in the second gap.
Furthermore, a limiting concave platform is arranged on the insulating brick; a supporting mechanism is arranged below the insulating brick, and a corresponding limiting boss is arranged on the supporting mechanism.
Furthermore, the width of the first gap is 10-15 mm.
Furthermore, the width of the second gap is 10-20 mm.
Further, the electrode sleeve extends from the outer end of the fining exhaust tube to the root of the fining exhaust tube to a depth 2/3 the length of the fining exhaust tube.
Furthermore, the external wiring row is connected with the disc in a welding mode.
Further, the external wiring bar and the disc are integrally cut by adopting plates.
Furthermore, the insulating brick is made of M184.
Further, the method for filling the slurry of zirconia powder filled in the second gap comprises the following steps:
mixing 50-60 ℃ water and zirconia powder according to the mass ratio of 2:1, stirring until the color of the slurry is uniform, and grouting and filling.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a device for maintaining the temperature of an exhaust port of a platinum channel, which is used for reducing the temperature gradient of the exhaust port of the platinum channel, effectively improving the temperature in a clarifying exhaust pipe and further prolonging the service life of an external electrode; the utility model is designed with a double-layer sleeve, the electrode position is led into the inner area from the end head, and the problem of poor sealing of the electrode close to the outside is solved; two filling gaps formed by the double-layer sleeve are respectively filled with different materials, so that the stability and the service life of the whole platinum part are optimized in the aspects of compactness and heat preservation; the utility model is applied to the clarification exhaust pipe area, and solves the problems of the clarification exhaust pipe crystallization and the electrode service life. The utility model is applied to the existing wire body, the actual heat preservation performance is improved by more than 50% compared with the original structure, the temperature difference between the root temperature and the end part temperature of the exhaust pipe is controlled within 20 ℃, the volatilization crystallization of internal clear gas is effectively inhibited, meanwhile, the temperature difference between the exhaust pipe and the external area in the radial direction is reduced to be within 500 ℃ from the original 900 ℃, the external volatilization crystallization of the platinum electrode is greatly delayed, and the electrode is still stable under the condition of operating for 48 months.
Drawings
FIG. 1 is a schematic view of the structure of an original clarifying exhaust pipe and a heating electrode;
FIG. 2 is a cross-sectional view of the entirety of the present invention;
FIG. 3 is a block diagram of a clarification vent with an electrode of the utility model installed.
Wherein: 1-platinum body; 2-clarifying the exhaust pipe; 3-electrode sleeve; 4-an electrode; 5-insulating bricks; 6-inner gap; 7-second gap.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to the utility model, through designing a brand new electrode distribution mode, an external electrode is introduced into an internal high-temperature high-sealing area, and meanwhile, through a double-layer internal and external filling combined design insulating brick, multifunctional filling aiming at the area and divided into functional materials is formed, so that the sealing and insulating properties of the area are improved, the temperature gradient in the clarifying exhaust pipe is reduced, the service life of a direct heating loop is prolonged, and the long-term stability and high-temperature state of the temperature in the clarifying exhaust pipe are finally ensured.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, fig. 1 is a schematic view of an original structure of a clarifying exhaust port, a platinum body 1 is communicated with a clarifying exhaust pipe 2, an electrode 4 is arranged at the outer end part of the clarifying exhaust pipe 2, and most area of the electrode 4 is closer to the external open environment and farther away from the platinum body 1. The minimum area of the heat-insulating layer is only 20mm, so that the electrode in a power-on state has a remarkable modifying effect, the external oxidation volatilization can continuously occur, the base material is continuously thinned until the base material is broken, and the overall heat-insulating sealing performance of the area and the oxidation resistance stability of the electrode need to be improved.
Based on the existing problems, the utility model aims at solving the problems of weak heat preservation of the whole clarification exhaust pipe and the problems of volatilization thinning and fracture caused by the closer distance of the electrode to the outside.
Referring to fig. 2 and 3, fig. 2 is a sectional view of the whole of the utility model, fig. 3 is a structural view of the electrode of the utility model installed on the clarifying exhaust port, and the device for maintaining the temperature of the exhaust port of the platinum channel comprises an electrode sleeve 3, a disc of an electrode 4 is welded at the opening end of the electrode sleeve 3, and a wiring row is arranged on the periphery of the disc of the electrode 4; the electrode sleeve 3 is sleeved on the periphery of the clarifying exhaust pipe 2, a first gap 6 is formed between the electrode sleeve 3 and the clarifying exhaust pipe 2, zirconia hollow ball powder is filled in the first gap 6, a heat-insulating brick 5 is sleeved outside the electrode sleeve 3, the heat-insulating brick 5 is sleeved outside the electrode sleeve 3, a second gap 7 is formed between the electrode sleeve 3 and the heat-insulating brick 5, and slurry of zirconia powder with the granularity of less than 0.05mm is filled in the second gap 7; a limiting table is arranged below the insulating brick 5.
The clarifying exhaust pipe 2 belongs to an inherent structure of a platinum channel, the size and the material of the clarifying exhaust pipe are kept unchanged, the pipe diameter of the clarifying exhaust pipe is 50mm at present, the material is PtRh10, the wall thickness is designed to be 1.0mm, the horizontal length extending outwards is 500mm, a downward slight inclination exists, the angle is between 8 and 15 degrees, and the clarifying exhaust pipe is mainly used for preventing a condensed crystal from falling back into glass to cause a defect problem;
the diameter of the electrode sleeve 3 is 20-30 mm larger than that of the clarification exhaust pipe 2, a first gap 6 with the inner part of 10-15 mm is formed, the material of the electrode sleeve is the same as that of the clarification exhaust pipe 2, the electrode sleeve 3 extends inwards along the clarification exhaust pipe 2, the end area of the electrode sleeve and the clarification exhaust pipe 2 form continuous transition and reversely extend to the root part of the clarification exhaust pipe 2 in a semicircular mode, and the actually extending depth is about 2/3 parts of the clarification exhaust pipe, so that the approach of an electrode 4 to the inner part is ensured, and the electrode sleeve does not structurally interfere with the inner platinum body 1;
the electrode 4 is composed of a disc and an external wiring row, the inner diameter of the disc is welded with the electrode sleeve 3, the outer diameter of the disc is larger than the inner diameter by 40-60 mm, and the thickness is 2-5 mm. The electrode is designed according to the current, the unit limiting current of the platinum is 8A/mm2 according to actual test detection, and the size and the thickness of the electrode are designed according to different current grades required to be designed in a matching mode. The other external wiring bar is connected with the disc structure in a welding mode, or plates can be integrally cut, the thickness and the components of the external wiring bar are consistent with those of the discs, the width design is also in accordance with the current of the cross section, the current is about 800-1200A according to the current, and the wiring bar is designed to be in a range of 25-40 mm so as to meet the requirement of stable power supply;
a first gap 6 is formed between the electrode sleeve 3 and the clarifying exhaust pipe 2, the first gap 6 is filled with zirconia hollow ball powder, the high temperature of more than 1600 ℃ can be resisted, the carbon content needs to be controlled within 0.1 percent, and because C element is easy to react with Pt at a high temperature state, eutectic substances with low melting point are formed, and further partial platinum is melted, the C element in materials in contact with the eutectic substances needs to be strictly controlled. Through the filling of the zirconia hollow sphere powder, the thermal conductivity can be below 0.1W/(m.K), and the heat preservation can be effectively carried out in the pipe;
a second gap 7 is formed between the insulating brick 5 and the electrode sleeve 3, the size is designed to be 10-20 mm, the second gap 7 is filled with dilute slurry of zirconia, the granularity of zirconia powder must be controlled to be less than 0.05mm, the porosity is ensured to be less than 2%, the oxygen content in a contact area with the electrode sleeve 3 is reduced to the maximum extent, the zirconia powder and zirconia hollow spheres filled in the first gap 6 are the same in material, but the granularity is different, the filling in the first gap 6 mainly improves the insulating property, the filling in the second gap 7 mainly improves the sealing property, and the electrode sleeve influencing a heating circuit is prevented from being oxidized more quickly;
mixing the zirconia dilute slurry with pure water and fine powder, wherein the temperature of the pure water needs to be controlled between 50 ℃ and 60 ℃, mixing the water and the powder according to the ratio of 2:1, fully stirring for more than 30 minutes until the color of the slurry is uniform, and then grouting and filling;
the insulating brick 5 is made of M184 material, not only has the high temperature resistance of more than 1600 ℃ without deformation, but also has excellent insulating property, the heat conductivity is 0.3W/(m.K) at high temperature, the insulating brick 5 is designed in a cylindrical shape, the inner diameter is 20 mm-40 mm larger than that of the electrode sleeve 3, the thickness of the insulating brick is 100 mm-150 mm, the internal and external electrode sleeves 3 of the clarifying exhaust pipe 2 are further insulated, the temperature gradient is reduced, and the volatilization and crystallization of platinum are inhibited;
the insulating brick 5 is arranged on the clarification exhaust pipe 2 slightly inclined downwards, one or two limiting tables are designed below the insulating brick 5, the limiting tables are of a cut-off structure with a triangular projection, the height of the triangle is 20mm, the length direction is controlled within 50mm, and a boss with a triangular projection is designed on a refractory material fixed below in a matching mode to be used for bearing the insulating brick 5 and ensure that the insulating brick is in a stable state of a fixed position;
the device for keeping the temperature of the exhaust port of the platinum channel is applied to the existing line body, the actual heat preservation performance of the device is improved by more than 50% compared with the original structure, the temperature difference between the root temperature and the end part temperature of the clarification exhaust pipe 2 is controlled within 20 ℃, the volatilization crystallization of internal clarification gas is effectively inhibited, meanwhile, the temperature difference between the clarification exhaust pipe 2 and the external area in the radial direction is reduced to be within 500 ℃ from the original 900 ℃, the external volatilization crystallization of the platinum electrode is greatly delayed, and the electrode is still stable under the condition of operating for 48 months.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (8)
1. The device for maintaining the temperature of the exhaust port of the platinum channel is characterized by comprising an electrode sleeve (3), wherein a disc of an electrode (4) is welded at the opening end of the electrode sleeve (3), and a wiring bar is arranged on the periphery of the disc of the electrode (4); the electrode sleeve (3) is sleeved on the periphery of the clarification exhaust pipe (2), and the clarification exhaust pipe (2) is communicated with the platinum body (1);
there is first clearance (6) between electrode sleeve pipe (3) and clarification blast pipe (2), and first clearance (6) intussuseption is filled with zirconia hollow sphere powder, and electrode sleeve pipe (3) overcoat is equipped with insulating brick (5), and electrode sleeve pipe (3) and insulating brick (5) have second clearance (7), and second clearance (7) intussuseption is filled with the thick liquids of granularity zirconia powder below 0.05 mm.
2. The device for maintaining the temperature of the exhaust port of the platinum channel as claimed in claim 1, wherein the insulating brick (5) is provided with a limit concave platform; a supporting mechanism is arranged below the insulating brick (5), and a corresponding limiting boss is arranged on the supporting mechanism.
3. The apparatus for maintaining the temperature of an exhaust port of a platinum passageway according to claim 1, wherein the width of the first gap (6) is 10 to 15 mm.
4. The device for maintaining the temperature of an exhaust port of a platinum channel according to claim 1, wherein the width of the second gap (7) is 10-20 mm.
5. An arrangement for maintaining the temperature of an exhaust port of a platinum route according to claim 1, characterised in that the electrode bushing (3) extends from the outer end of the fining exhaust tube (2) to its root to a depth 2/3 the length of the fining exhaust tube (2).
6. The apparatus for maintaining the temperature of the exhaust port of a platinum passageway as claimed in claim 1, wherein the external terminal block is connected to the disk by welding.
7. The apparatus for maintaining the temperature of an exhaust port of a platinum passageway as claimed in claim 1, wherein the external terminal block is integrally cut with the circular plate using a plate material.
8. The device for maintaining the temperature of the exhaust port of the platinum passage according to claim 1, wherein the insulating brick (5) is made of M184.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123216106.XU CN216998130U (en) | 2021-12-20 | 2021-12-20 | Device for maintaining temperature of exhaust port of platinum channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123216106.XU CN216998130U (en) | 2021-12-20 | 2021-12-20 | Device for maintaining temperature of exhaust port of platinum channel |
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| CN216998130U true CN216998130U (en) | 2022-07-19 |
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| CN202123216106.XU Active CN216998130U (en) | 2021-12-20 | 2021-12-20 | Device for maintaining temperature of exhaust port of platinum channel |
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Cited By (2)
| 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 |
| CN115849675A (en) * | 2022-12-09 | 2023-03-28 | 彩虹显示器件股份有限公司 | Variable-wall-thickness type clarification pipe and method for platinum channel |
-
2021
- 2021-12-20 CN CN202123216106.XU patent/CN216998130U/en active Active
Cited By (3)
| 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 |
| CN114560619B (en) * | 2021-12-20 | 2024-10-01 | 彩虹显示器件股份有限公司 | Device for keeping temperature of exhaust port of platinum channel |
| CN115849675A (en) * | 2022-12-09 | 2023-03-28 | 彩虹显示器件股份有限公司 | Variable-wall-thickness type clarification pipe and method for platinum channel |
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