Service life prolonging device for substrate glass channel

Abstract

The utility model discloses a service life prolonging device for a substrate glass channel, which relates to the field of substrate glass manufacturing and comprises a moving platform, a track, a channel and a support component, the track is mounted on the bottom surface of the moving platform, the support component is connected with the moving platform and the track, and the channel is mounted on the outer side surface of the top of the moving platform; the channel comprises a plurality of channel sections, flanges are installed among the channel sections, the peripheries of the channel sections are all wrapped with refractory materials, one side of each refractory material is tightly attached to the corresponding flange, and a preset expansion gap is kept between the other side of each refractory material and the other flange. The mobile platform comprises a supporting steel structure and rollers, and the supporting steel structure is mounted on the track through the rollers; and each channel section is independently and correspondingly provided with a mobile platform. According to the utility model, the problem that the platinum channel cannot freely expand in the refractory material, so that the channel is extruded and deformed to cause damage can be solved.

Description

Technical Field

[0001] The utility model relates to the field of substrate glass manufacturing, in particular to a life extension device for a substrate glass channel. Background Art

[0002] The platinum channel is the core equipment for the production of liquid crystal glass substrates and plays a vital role in product quality. In terms of technology, the platinum channel is the channel for glass liquid transmission, responsible for transferring the glass liquid in the pool furnace to the molding process. In this process, the platinum channel also undertakes the process functions of clarification, homogenization, temperature control and flow control.

[0003] At present, due to the refractory materials set around the platinum channel, as the temperature continues to rise, the platinum channel and the refractory materials will expand. The expansion coefficients of the platinum channel and the refractory materials are different. Therefore, there is a problem that the channel cannot expand freely in the refractory material during the heating stage, resulting in channel extrusion and deformation, causing damage; at the same time, the platinum channel operates in a high-temperature environment of glass liquid for a long time, and is affected by the internal glass liquid flushing and external high-temperature volatilization. The wall thickness of the platinum channel continues to decrease, and it is melted and damaged under the action of electric current, which will seriously affect the service life of the channel. Utility Model Content

[0004] The utility model provides a life extension device for a substrate glass channel, so as to solve the problem that a platinum channel cannot expand freely in a refractory material, resulting in channel extrusion deformation and damage.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A life extension device for a substrate glass channel comprises: a moving platform, a track, a channel and a supporting assembly, wherein the track is installed on the bottom surface of the moving platform, the supporting assembly connects the moving platform and the track, and the channel is installed on the top outer surface of the moving platform;

[0007] The channel includes a plurality of channel sections, flanges are installed between the plurality of channel sections, the peripheries of the plurality of channel sections are all wrapped with refractory materials, one side of the refractory material is in close contact with the flange, and the other side maintains a preset expansion gap with another flange;

[0008] The mobile platform includes a supporting steel structure and rollers, and the supporting steel structure is installed on the track through the rollers;

[0009] A mobile platform is installed corresponding to each channel section separately.

[0010] In some embodiments, the support assembly includes a bracket and a top screw. The bracket is fixedly connected to the track, and the bracket is connected to the mobile platform via the top screw. When in use, the top screw is tightened or loosened to adjust the position of the mobile platform.

[0011] In some embodiments, at least three mobile platforms are provided.

[0012] In some embodiments, a preset filling gap is maintained between the outer surfaces of the plurality of channel sections and the refractory material.

[0013] In some embodiments, the preset filling gap is filled with powder of refractory material.

[0014] In some embodiments, one side of the flange is in close contact with the refractory material, and the other side of the flange maintains a preset expansion gap with the refractory material of the other channel section.

[0015] In some embodiments, the plurality of channel intervals include: a first channel interval, a second channel interval zone one, a second channel interval zone two, and a second channel interval zone three.

[0016] In some embodiments, the first channel section is a temperature rising section channel, and the second channel section one section, the second channel section two section, and the second channel section three section are clarification section channels.

[0017] In some embodiments, the refractory material includes a temperature rising stage refractory material, a first refractory material, a second refractory material, and a third refractory material.

[0018] In some embodiments, the first channel interval is wrapped with a heating section refractory material, the second channel interval zone one is wrapped with a first refractory material, the second channel interval zone two is wrapped with a second refractory material, and the second channel interval zone three is wrapped with a third refractory material.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model provides a life extension device for a substrate glass channel, comprising a moving platform, a track, a channel and a supporting assembly, wherein the track is installed on the bottom surface of the moving platform, the supporting assembly connects the moving platform and the track, the supporting steel structure is installed on the track through rollers, the channel comprises a plurality of channel sections, and each channel section is individually correspondingly installed with a moving platform. The utility model can adjust the expansion of the channel by adjusting the moving platform, thereby effectively solving the problem of channel extrusion deformation and damage caused by the inability of the platinum channel to expand freely in the refractory material during the heating stage, and can ensure stable operation of the channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of a life extension device for a substrate glass channel according to an embodiment of the utility model;

[0022] Figure 2 This is a schematic cross-sectional view of a substrate glass channel according to an embodiment of the utility model;

[0023] Figure 3 A flow chart of a method for extending the life of a substrate glass channel provided in an embodiment of the utility model.

[0024] In the figure, 1, kiln; 2, mobile platform; 2-1, supporting steel structure; 2-2, roller; 3, track; 4-1, bracket; 4-2, top screw; 5, channel; 5-1, first channel section; 5-2, second channel first section; 5-3, second channel second section; 5-4, second channel third section; 6, refractory material; 6-1, first refractory material; 6-2, second refractory material; 6-3, third refractory material; 7, filling gap; 8, flange; 9, expansion gap. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are briefly described, and the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be illustrative rather than restrictive in nature.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0030] like Figure 1 As shown, this embodiment provides a device for a substrate glass channel, comprising: a mobile platform 2, a channel 5, a track 3 and a support assembly, wherein the channel 5 is placed on the overall mobile platform 2; the mobile platform 2 comprises a supporting steel structure 2-1 and a roller 2-2, wherein the supporting steel structure 2-1 is placed on the track 3 through the roller 2-2; the number of the mobile platforms 2 is greater than or equal to 3;

[0031] The support assembly includes a bracket 4-1 and a top screw 4-2. The bracket 4-1 is welded on the track 3 and connected to the mobile platform 2 through the top screw 4-2. The position of the mobile platform 2 can be adjusted through the top screw 4-2. The channel 5 includes a first channel section 5-1, a second channel section 1 section 5-2, a second channel section 2 section 5-3, and a second channel section 3 section 5-4. The channel 5 is directly heated in sections through a flange 8.

[0032] A refractory material 6 is arranged on the periphery of the channel 5, and the refractory material 6 includes a first refractory material 6-1, a second refractory material 6-2 and a third refractory material 6-3, which are independent of each other; one side of the refractory material 6 is tightly connected to the flange 8, and the other side of the refractory material 6 is reserved with an expansion gap 9 with the flange 8; the refractory material 6 is placed on the corresponding mobile platform 2; a filling gap 7 is reserved between the refractory material 6 and the channel 5, and the filling gap 7 is filled with refractory powder;

[0033] The first channel section 5-1 is a heating section channel, the second channel section one section 5-2, the second channel section two section 5-3 and the second channel section three section 5-4 are clarification section channels, the first channel section 5-1 is wrapped with a heating section refractory material, the second channel section one section 5-2 is wrapped with a first refractory material 6-1, the second channel section two section 5-3 is wrapped with a second refractory material 6-2, and the second channel section three section 5-4 is wrapped with a third refractory material 6-3.

[0034] This embodiment also provides a method for extending the life of a substrate glass channel, which is applied to the above-mentioned device for the substrate glass channel, and includes the following steps: the method includes a method for extending the life of a temperature rise stage and a normal operation stage, wherein: the method for extending the life of a channel in the temperature rise stage is as follows:

[0035] Step 1: Calculate the theoretical expansion length of the channel at different temperatures between the first temperature and the second temperature, and determine the theoretical position coordinates of the flange at different temperatures;

[0036] Step 2: Record the real-time coordinates of the flange in real time during the channel expansion process and compare them with the theoretical position coordinates of the flange at different temperatures;

[0037] Step 3: According to the difference between the flange real-time coordinates and the theoretical position coordinates, the channel expansion is guided and adjusted by synchronously adjusting the moving trolley;

[0038] Step 4: After the channel expansion is complete, hot filling is performed on the reserved expansion gap;

[0039] The method for extending the channel life in the normal operation stage is as follows:

[0040] Step 1: Real-time monitoring of the resistance of different channel intervals during normal operation at the second temperature;

[0041] Step 2: Set the thresholds of different flange resistances, and adjust the operating currents of different channel intervals according to whether the channel resistance exceeds the threshold, ensuring high-quality clarification while optimizing the current and temperature distribution of different channel intervals.

[0042] Specifically, the first temperature is a cold temperature, and the second temperature is 1600°C to 1680°C; the coordinates of the end flange 8 are measured by infrared laser; the temperature gradient of the flange 8 coordinates is measured to be 50°C or 100°C; the resistance threshold is set to 20% to 25% of the initial resistance of different channel 5 intervals; when the resistance value of a channel 5 interval reaches the set threshold, the current and temperature of the channel 5 interval are gradually reduced, and the current and temperature of the channel interval adjacent to the channel 5 interval are simultaneously increased until the same clarification effect is achieved.

[0043] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the embodiments disclosed above are only examples in all respects, not the only ones, and all changes within the scope of the present invention or equivalent to the scope of the present invention are included in the present invention.

Claims

1. A life extension device for a substrate glass channel, It is characterized in that include: A mobile platform (2), a track (3), a channel (5) and a support assembly, wherein the track (3) is installed on the bottom surface of the mobile platform (2), the support assembly connects the mobile platform (2) and the track (3), and the channel (5) is installed on the top outer surface of the mobile platform (2); The channel (5) comprises a plurality of channel sections, flanges (8) are installed between the plurality of channel sections, the peripheries of the plurality of channel sections are all wrapped with refractory materials (6), one side of the refractory material (6) is in close contact with the flange (8), and the other side maintains a preset expansion gap with another flange (8); The mobile platform (2) comprises a supporting steel structure (2-1) and rollers (2-2), wherein the supporting steel structure (2-1) is installed on a track (3) via the rollers (2-2); A mobile platform (2) is installed corresponding to each channel section.

2. A life extension device for a substrate glass channel according to claim 1, It is characterized in that The support assembly comprises a bracket (4-1) and a top screw (4-2); the bracket (4-1) is fixedly connected to the track; the bracket (4-1) is connected to the mobile platform (2) via the top screw (4-2); when in use, the top screw (4-2) is tightened or loosened to adjust the position of the mobile platform (2).

3. The life extension device for a substrate glass channel according to claim 1, It is characterized in that At least three mobile platforms (2) are provided.

4. The life extension device for a substrate glass channel according to claim 1, It is characterized in that A preset filling gap is maintained between the outer surfaces of the plurality of channel sections and the refractory material (6).

5. A life extension device for a substrate glass channel according to claim 4, It is characterized in that The preset filling gap is filled with powder of refractory material (6).

6. The life extension device for a substrate glass channel according to claim 1, It is characterized in that One side of the flange (8) is in close contact with the refractory material (6), and the other side of the flange (8) maintains a preset expansion gap with the refractory material (6) in the other channel section.

7. The life extension device for a substrate glass channel according to claim 1, It is characterized in that The multiple channel intervals include: a first channel interval (5-1), a second channel interval zone 1 (5-2), a second channel interval zone 2 (5-3) and a second channel interval zone 3 (5-4).

8. The life extension device for a substrate glass channel according to claim 7, It is characterized in that The first channel section (5-1) is a temperature rising section channel, and the second channel section one section (5-2), the second channel section two section (5-3) and the second channel section three section (5-4) are clarification section channels.

9. The life extension device for a substrate glass channel according to claim 1, It is characterized in that The refractory material (6) comprises a temperature rising section refractory material, a first refractory material (6-1), a second refractory material (6-2) and a third refractory material (6-3).

10. A life extension device for a substrate glass channel according to claim 7 or 9, It is characterized in that The first channel section (5-1) is wrapped with a heating section refractory material, the second channel section one section (5-2) is wrapped with a first refractory material (6-1), the second channel section two section (5-3) is wrapped with a second refractory material (6-2), and the second channel section three section (5-4) is wrapped with a third refractory material (6-3).

Images