Bottom insertion type electrode and electrode system for auxiliary heating of glass kiln

Abstract

The utility model discloses a bottom plug-in type electrode and electrode system for auxiliary heating of a glass kiln, which belongs to the technical field of substrate glass manufacturing and comprises a molybdenum electrode, an electricity leading disc, a water cooling sleeve, a sleeve support, a propelling hanger, a propelling supporting piece, an insulating block and a propelling jackscrew. One end of the molybdenum electrode is inserted into the bottom of the glass kiln, the other end of the molybdenum electrode is provided with the electricity leading disc, the side, inserted into the molybdenum electrode, of the bottom of the glass kiln is provided with the pool bottom steel structure, the molybdenum electrode is sleeved with the water-cooling sleeve, the sleeve support is connected with the water-cooling sleeve and the pool bottom steel structure, and a gap is formed between the molybdenum electrode and the inner wall of the water-cooling sleeve. One end of the propelling hanger is connected with the pool bottom steel structure, the other end of the propelling hanger is connected with the propelling supporting piece, the propelling jackscrew penetrates through the propelling supporting piece, one end of the propelling jackscrew abuts against the molybdenum electrode, the insulating block is arranged between one end of the propelling jackscrew and the molybdenum electrode, and the fixing bolts are arranged at the two ends, penetrating through the propelling supporting piece, of the propelling jackscrew. According to the utility model, the problem that the tin oxide electrode in the feeding area of the kiln cannot be powered up can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of substrate glass manufacturing, and in particular relates to a bottom-inserted electrode and an electrode system for auxiliary heating of a glass kiln. Background Art

[0002] The kiln is one of the most important and critical equipment in the production process of substrate glass. Its main function is to melt the glass powder into high-quality glass liquid, and then make substrate glass through other processes.

[0003] The resistivity of the glass liquid in the furnace is increasingly affected by the cold glass material. However, with the increase of the lead-out amount, the feed amount also increases accordingly. If the glass material is not melted in time, the resistivity fluctuation of the glass liquid will become more obvious, causing fluctuations in the electrode melting process in the furnace feeding area, and even causing the electrodes in this area to be unable to be powered, that is, a "power failure" phenomenon occurs, which seriously affects the melting efficiency of the furnace and the stability of its operation. Utility Model Content

[0004] The utility model provides a bottom-inserted electrode and an electrode system for auxiliary heating of a glass kiln, so as to solve the problem that the tin oxide electrode in the feeding area of ​​the kiln cannot be powered.

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

[0006] A bottom-inserted electrode for auxiliary heating of a glass kiln, comprising: a molybdenum electrode, a lead plate, a water-cooling sleeve, a sleeve bracket, a propulsion hanger, a propulsion support, an insulating block and a propulsion top screw;

[0007] One end of the molybdenum electrode is inserted into the bottom of the glass kiln pool, and the other end is installed with a lead-in disk. A pool bottom steel structure is installed on one side of the glass kiln pool bottom where the molybdenum electrode is inserted. A water-cooling sleeve is sleeved on the molybdenum electrode. A sleeve bracket connects the water-cooling sleeve and the pool bottom steel structure. A gap is set between the inner wall of the molybdenum electrode and the water-cooling sleeve. One end of the pusher is connected to the pool bottom steel structure, and the other end is connected to the pusher support. A pusher top screw is set through the inside of the pusher support. One end of the pusher top screw presses the molybdenum electrode tightly. An insulating block is set between one end of the pusher top screw and the molybdenum electrode. The pusher top screw passes through the pusher support. Fixing bolts are set at both ends.

[0008] In some embodiments, the molybdenum electrode is a cylindrical structure, and a heat-resistant alloy coating is coated on the surface.

[0009] In some embodiments, the water-cooling sleeve is a hollow structure, and the water-cooling sleeve includes a water inlet and a water outlet, and the water inlet and the water outlet are respectively located on opposite sides of the molybdenum electrode.

[0010] In some embodiments, the water cooling sleeve is made of high temperature resistant stainless steel.

[0011] In some embodiments, the gap between the molybdenum electrode and the inner wall of the water-cooling sleeve is 1 mm to 3 mm.

[0012] An electrode system for auxiliary heating of a glass kiln, based on the bottom-inserted electrode, comprises a kiln, a tin oxide electrode, a burner and the bottom-inserted electrode, wherein the kiln comprises a pool bottom, a pool wall, a breast wall and a crown, wherein the pool bottom and the crown are opposite to each other, the pool wall is arranged at the lower side of the breast wall, the pool wall and the breast wall are connected to form the side of the kiln, and the pool bottom, the pool wall, the breast wall and the crown together constitute a kiln with a sealed structure;

[0013] A plurality of bottom-inserted electrodes are provided, and the bottom-inserted electrodes are evenly arranged on the bottom of the pool in the transverse and longitudinal directions. One end of a molybdenum electrode in the bottom-inserted electrodes is inserted into the bottom of the pool, a tin oxide electrode is arranged on the pool wall, and a burner is arranged on the breast wall. The depth to which the molybdenum electrode is inserted into the bottom of the pool is less than or equal to the distance between the tin oxide electrode and the bottom of the pool.

[0014] In some embodiments, the distance between the platinum electrode closest to the cell wall and the cell wall is equal to half the distance between adjacent platinum electrodes.

[0015] In some embodiments, the kiln further comprises a charging port, and a thermocouple is disposed near the charging port.

[0016] In some embodiments, the location where the platinum electrode is inserted into the bottom of the pool is close to the feed port.

[0017] In some embodiments, the number of platinum electrodes disposed transversely along the bottom of the pool is greater than or equal to two, and the number of platinum electrodes disposed longitudinally along the bottom of the pool is greater than or equal to two.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model provides a bottom-inserted electrode for auxiliary heating of a glass kiln, wherein one end of the molybdenum electrode is inserted into the bottom of the glass kiln pool, and the other end is equipped with a lead-in disk, a water-cooling sleeve is sleeved on the molybdenum electrode, and a sleeve bracket connects the water-cooling sleeve to a steel structure at the bottom of the pool, a gap is provided between the molybdenum electrode and the inner wall of the water-cooling sleeve, a propulsion suspension is also connected to the steel structure at the bottom of the pool, and the other end of the propulsion suspension is connected to a propulsion support, a propulsion top screw is arranged through the inside of the propulsion support, one end of the propulsion top screw presses the molybdenum electrode tightly, and an insulating block is arranged between the propulsion top screw and the molybdenum electrode, and fixing bolts are arranged at both ends of the propulsion top screw, and the bottom-inserted electrode can be used to realize accurate and steady propulsion of the molybdenum electrode, wherein the water-cooling sleeve and the sleeve bracket serve as a water cooling system in the bottom-inserted electrode, which can effectively reduce the temperature of the part of the molybdenum electrode exposed to the air, prevent the exposed part from being oxidized by high temperature, and thus prolong the service life of the molybdenum electrode, and at the same time, the bottom-inserted electrode is used to heat the glass liquid in the kiln, which can prevent the situation that the tin oxide electrode cannot be powered on due to the overcooling of the local glass liquid, and enable the kiln operation to be quickly restored when the power cannot be powered on.

[0020] The utility model provides an electrode system for auxiliary heating of a glass kiln, wherein a plurality of bottom-inserted electrodes are evenly arranged on the pool bottom of the kiln, a tin oxide electrode is arranged on the pool wall of the kiln, a combustion gun is arranged on the breast wall, and a molybdenum electrode, a tin oxide electrode and a combustion gun are used to heat the glass liquid in the kiln space at the same time, so as to realize efficient melting of the glass liquid and prevent the tin oxide electrode from being unable to be powered on due to local overcooling of the glass liquid. When the tin oxide electrode is unable to be powered on, the kiln operation can be quickly restored by adjusting the current of the molybdenum electrode. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the bottom-inserted electrode structure provided in this embodiment;

[0022] Figure 2 A schematic cross-sectional view of an electrode system for auxiliary heating of a glass furnace provided in this embodiment;

[0023] Figure 3 A top view of the electrode system for auxiliary heating of a glass furnace provided in this embodiment;

[0024] In the figure, 1. molybdenum electrode; 2. pool bottom; 3. lead plate; 4. water-cooling sleeve; 5. water inlet; 6. water outlet; 7. sleeve bracket; 8. pool bottom steel structure; 9. push hanging; 10. push support; 11. insulating block; 12. push top screw; 13. first fixing bolt; 14. second fixing bolt; 15. pool wall; 16. breast wall; 17. crown; 18. tin oxide electrode; 19. burner; 20. thermocouple; 21. kiln; 22. feeding port. 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] This embodiment provides a bottom-inserted electrode for auxiliary heating of a glass furnace, comprising a molybdenum electrode 1, a water cooling structure and a propulsion structure, wherein one end of the molybdenum electrode 1 passes through a pool bottom 2 and is inserted into the glass liquid of the furnace, and the other end of the molybdenum electrode 1 is provided with an electric lead disk 3;

[0031] Specifically, the molybdenum electrode 1 is a cylindrical structure and is coated with a heat-resistant alloy coating on the surface. The water-cooling structure includes a water-cooling sleeve 4 and a sleeve bracket 7. The water-cooling sleeve 4 is rigidly connected to the pool bottom steel structure 8 through the sleeve bracket 7; the water-cooling sleeve 4 is a hollow structure, and is made of high-temperature resistant stainless steel, and the water-cooling sleeve 4 includes a water inlet 5 and a water outlet 6, which are respectively located on opposite sides of the molybdenum electrode 1. The water-cooling sleeve 4 is sleeved on the molybdenum electrode 1, and a gap of 1 mm to 3 mm is ensured between the molybdenum electrode 1 and the inner wall of the water-cooling sleeve 4 during normal operation.

[0032] Specifically, the propulsion structure includes a propulsion suspension 9 and a propulsion support 10 distributed on both sides of the molybdenum electrode 1, one end of the propulsion suspension 9 is rigidly connected to the pool bottom steel structure 8, and the other end is rigidly connected to the propulsion support 10; a propulsion top screw 12 is installed through the inside of the propulsion support 10 and the two are threadedly connected, one end of the propulsion top screw 12 is pressed against the molybdenum electrode 1, and an insulating block 11 is installed between the propulsion top screw 12 and the molybdenum electrode 1; a first fixing bolt 13 and a second fixing bolt 14 are arranged at both ends of the propulsion top screw 11 close to the propulsion support 10, and the first fixing bolt 13 is located below the second fixing bolt 14.

[0033] This embodiment provides an electrode system for auxiliary heating of a glass kiln, comprising a kiln 21, a tin oxide electrode 18, a burner 19 and the bottom-inserted electrode, the kiln 21 comprising a pool bottom 2, a pool wall 15, a breast wall 16 and a crown 17, the pool bottom 2 and the crown 17 are opposite to each other, the pool wall 15 is arranged at the lower side of the breast wall 16, the pool wall 15 and the breast wall 16 are connected to form the side of the kiln, the pool bottom 2, the pool wall 15, the breast wall 16 and the crown 17 together constitute the kiln 21 with a sealed structure;

[0034] Specifically, the molybdenum electrodes 1 are evenly distributed along the transverse and longitudinal directions of the pool bottom 2, and the distance between the outermost molybdenum electrode 1 and the pool wall 14 is half the distance between two adjacent molybdenum electrodes 1; the depth of the molybdenum electrode 1 inserted into the pool bottom 2 is less than or equal to the distance between the tin oxide electrode 18 and the pool bottom 2; the molybdenum electrodes 1 are distributed close to the feeding port 22 of the kiln 21, the number of molybdenum electrodes 1 distributed along the transverse direction of the kiln 21 is greater than or equal to 2, and the number of molybdenum electrodes 1 distributed along the longitudinal direction of the kiln 21 is greater than or equal to 2, wherein a loop is formed between every two molybdenum electrodes 1 along the longitudinal direction of the kiln 21;

[0035] Specifically, a thermocouple 20 is installed at the bottom 2 of the kiln 21, and the thermocouple 20 is distributed in the vicinity of the feeding port 22; the molybdenum electrode 1, the tin oxide electrode 18 and the burner 18 jointly heat the molten glass in the space of the kiln 21 to achieve efficient melting of the molten glass. At the same time, when the temperature of the thermocouple 20 continues to drop or the tin oxide electrode 18 cannot be powered on, the operation of the kiln 21 can be quickly restored by adjusting the current of the molybdenum electrode 1.

[0036] The utility model provides a method for promoting auxiliary heating of a glass furnace, comprising the following steps:

[0037] Step 1: First, measure the loop voltage and loop current of the molybdenum electrode 1, and then calculate the measurement loop resistance, thereby calculating the erosion amount of the molybdenum electrode 1, and then calculating the advancement amount of the molybdenum electrode 1;

[0038] Step 2: Loosen the first fixing bolt 13, push the molybdenum electrode 1 by pushing the top screw 12, and tighten the first fixing bolt 13 again after the pushing is completed;

[0039] The second step is repeated many times, and the molybdenum electrode 1 is finally fully advanced by adopting a method of advancing in small amounts in multiple batches.

[0040] 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 bottom-inserted electrode for auxiliary heating of a glass furnace, characterized in that: include: Molybdenum electrode (1), lead disc (3), water cooling sleeve (4), sleeve bracket (7), propulsion hanger (9), propulsion support (10), insulation block (11) and propulsion top wire (12); One end of the molybdenum electrode (1) is inserted into the bottom of the glass kiln pool, and the other end is installed with a lead-in disk (3). A pool bottom steel structure (8) is installed on one side of the glass kiln pool bottom where the molybdenum electrode (1) is inserted. A water cooling sleeve (4) is sleeved on the molybdenum electrode (1). A sleeve bracket (7) connects the water cooling sleeve (4) and the pool bottom steel structure (8). A gap is arranged between the inner wall of the molybdenum electrode (1) and the water cooling sleeve (4). One end of the push hanger (9) is connected to the pool bottom steel structure (8), and the other end is connected to the push support (10). A push top screw (12) is arranged inside the push support (10). One end of the push top screw (12) presses the molybdenum electrode (1). An insulating block (11) is arranged between one end of the push top screw (12) and the molybdenum electrode (1). The push top screw (12) passes through the push support (10). Fixing bolts are arranged at both ends.

2. The bottom-inserted electrode for auxiliary heating of a glass furnace according to claim 1, characterized in that: The molybdenum electrode (1) is a cylindrical structure, and a heat-resistant alloy coating is coated on the surface.

3. The bottom-inserted electrode for auxiliary heating of a glass furnace according to claim 1, characterized in that: The water cooling sleeve (4) is a hollow structure and comprises a water inlet (5) and a water outlet (6). The water inlet (5) and the water outlet (6) are respectively located on two opposite sides of the molybdenum electrode (1).

4. The bottom-inserted electrode for auxiliary heating of a glass furnace according to claim 1, characterized in that: The material of the water cooling sleeve (4) is high temperature resistant stainless steel.

5. The bottom-inserted electrode for auxiliary heating of a glass furnace according to claim 1, characterized in that: The gap between the molybdenum electrode (1) and the inner wall of the water-cooling sleeve (4) is 1 mm to 3 mm.

6. An electrode system for auxiliary heating of a glass furnace, characterized in that: The bottom-inserted electrode according to any one of claims 1 to 5 comprises a kiln (21), a tin oxide electrode (18), a burner (19) and the bottom-inserted electrode, wherein the kiln (21) comprises a pool bottom (2), a pool wall (15), a breast wall (16) and a crown (17), wherein the pool bottom (2) and the crown (17) are positioned relative to each other, the pool wall (15) is arranged on the lower side of the breast wall (16), the pool wall (15) and the breast wall (16) are connected to form the side of the kiln, and the pool bottom (2), the pool wall (15), the breast wall (16) and the crown (17) together constitute a kiln (21) with a sealed structure; A plurality of bottom-inserted electrodes are provided, and the bottom-inserted electrodes are uniformly arranged on the pool bottom (2) along the transverse and longitudinal directions of the pool bottom (2); one end of the molybdenum electrode (1) in the bottom-inserted electrodes is inserted into the pool bottom (2); the tin oxide electrode (18) is arranged on the pool wall (15); the burner (19) is arranged on the breast wall (16); and the depth of the molybdenum electrode (1) inserted into the pool bottom (2) is less than or equal to the distance between the tin oxide electrode (18) and the pool bottom (2).

7. The electrode system for auxiliary heating of a glass furnace according to claim 6, characterized in that: The distance between the molybdenum electrode (1) closest to the pool wall (15) and the pool wall (15) is equal to half the distance between adjacent molybdenum electrodes (1).

8. The electrode system for auxiliary heating of a glass furnace according to claim 6, characterized in that: The kiln (21) further comprises a feeding port (22), and a thermocouple (20) is arranged near the feeding port (22).

9. The electrode system for auxiliary heating of a glass furnace according to claim 6, characterized in that: The molybdenum electrode (1) is inserted into the pool bottom (2) at a position close to the feeding port (22).

10. The electrode system for auxiliary heating of a glass furnace according to claim 6, characterized in that: The number of molybdenum electrodes (1) arranged transversely along the pool bottom (2) is greater than or equal to two, and the number of molybdenum electrodes (1) arranged longitudinally along the pool bottom (2) is greater than or equal to two.

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