CN217677274U - Horizontal electrode anti-oxidation device for borosilicate glass electric melting furnace - Google Patents
Horizontal electrode anti-oxidation device for borosilicate glass electric melting furnace Download PDFInfo
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- CN217677274U CN217677274U CN202220187699.7U CN202220187699U CN217677274U CN 217677274 U CN217677274 U CN 217677274U CN 202220187699 U CN202220187699 U CN 202220187699U CN 217677274 U CN217677274 U CN 217677274U
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Abstract
The utility model relates to an optical glass smelts technical field, especially relates to a be used for borosilicate glass electric melting furnace horizontal electrode anti oxidation device, including the electrode with cup joint the ring shape electrode protective sheath of metal outside the electrode, the protective sheath includes water jacket and air jacket, water jacket ring cover is not covered the department by glass liquid in the electric melting furnace, is equipped with one section annular air jacket on the water jacket inner wall, and the air jacket cup joints in the electrode outside, and the one end of electrode is connected with the electrode holder, and the electrode holder is provided with water jet equipment with electrode connection department. The utility model has the characteristics of can realize the cooling of electrode, avoid air contact electrode high temperature part, can also give the electrode cooling through circulating water cooling, still can channel into nitrogen gas simultaneously and keep apart the air, prevent that the too high part of temperature is by air oxidation under the water-cooling condition of electrode.
Description
Technical Field
The utility model relates to an optical glass smelts technical field, especially relates to a be used for borosilicate glass electric melting furnace horizontal electrode anti oxidation device.
Background
The electrode is a component in an electronic or electrical device and equipment and is used as two ends for inputting or outputting current in a conductive medium (solid, gas, vacuum or electrolyte solution). One pole of the input current is called anode or positive pole, and the other pole of the output current is called cathode or negative pole. The molybdenum metal has very excellent performance as an electrode material of the glass electric melting furnace, is high temperature resistant, corrosion resistant and scouring resistant, has lower price compared with platinum, and is widely applied to glass electric melting at present.
However, molybdenum metal as a high-temperature electrode material also has a fatal defect that molybdenum is very easy to be oxidized in an aerobic environment, so that when a molybdenum electrode is adopted for glass melting, what method is adopted to prevent the molybdenum electrode from being oxidized becomes a crucial problem, and in the electrode product smelting process, the unit consumption of the electrode is increased due to oxidation reaction.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect problem that exists among the current background art, the utility model provides a be used for borosilicate glass electric melting furnace horizontal electrode anti oxidation device can still leading-in nitrogen gas come the air isolation when can giving the electrode cooling, has still strengthened electrode surface oxidation resistance simultaneously, reduces the loss.
The utility model provides a scheme that its technical problem took is: the utility model provides a be used for borosilicate glass electric melting furnace horizontal electrode anti oxidation device, includes the electrode and cup joints the metal ring shape electrode protective sheath outside the electrode, the protective sheath includes water jacket and gas cover, and water jacket ring cover is not covered the department by glass liquid in the electric melting furnace, is equipped with one section annular gas cover on the water jacket inner wall, and the gas cover cup joints in the electrode outside, and the one end of electrode is connected with the electrode holder, and the electrode holder is provided with water jet equipment with electrode connection department.
Through the technical scheme, the electrode can be cooled and the air is prevented from contacting the high-temperature part of the electrode through the arrangement of the water jacket and the air jacket, the electrode can be cooled through circulating water, and meanwhile, nitrogen can be introduced to isolate the air, so that the part of the electrode with overhigh temperature under the water cooling condition is prevented from being oxidized by the air.
Furthermore, a water inlet and a water outlet are arranged on the water jacket, the water inlet is positioned on one side close to the electrode holder, a water spraying device is installed on the water inlet, and the water outlet is positioned on the other end deviating from the water inlet of the water jacket.
Through above-mentioned technical scheme, the export can let in rivers and form the circulation, and then make the temperature that can reduce the electrode to prevent that the too high part of temperature is by air oxidation under the water-cooling condition of electrode.
Furthermore, the water spraying device comprises annular water spraying nozzles, the annular water spraying nozzles are uniformly distributed on the electrode holder, the bottom ends of the annular water spraying nozzles are connected with a water source, and the other ends of the annular water spraying nozzles extend into the water inlet sleeve.
Through above-mentioned technical scheme, through annular water spout to the electrode surface water spray, make water flow downwards along the electrode surface for circulating water cooling gives the electrode cooling.
Furthermore, a partition wall is shared between the water jacket and the air jacket, the length of the air jacket is half of that of the water jacket, and the outer diameter of the electrode is half of the diameter of the inner wall of the water jacket.
Through the technical scheme, the diameter of the water jacket is large, more water can be stored, and the electrode can be ensured to quickly achieve the effect of cooling.
Furthermore, one side of the air sleeve is provided with an air inlet, one end of the air inlet is connected with an air inlet pipe, one side, far away from the air inlet, of the air inlet pipe is communicated with a ventilation box, and the ventilation box is installed at the top end of the electrode holder.
Through above-mentioned technical scheme, the case of ventilating can blow compressed air to the electrode surface, makes rivers atomizing form the protective layer, or introduces into in the nitrogen gas admission cover with this isolation air.
Furthermore, a plurality of exhaust holes are formed in the inner wall of the air sleeve and are uniformly distributed on the air sleeve.
Through the technical scheme, the discharged nitrogen flows from the gap between the air sleeve or the water jacket and the electrode to isolate the air, so that the oxygen in the air is prevented from contacting the high-temperature part of the electrode, the oxidation speed of the electrode can be greatly reduced, and the service life of the electrode is greatly prolonged.
Furthermore, the electrode is in a horizontally-inserted type, an obliquely-inserted type or a vertically-inserted type in the glass melting furnace, and the electrode is fixedly connected with the electrode holder.
Through the technical scheme, the device is suitable for various glass kilns heated by the electrodes, is not limited by the structure and the volume of the kiln, is not limited by the use mode of the electrodes, and can be used for protecting the electrodes by being provided with a direct-insert type electrode, an oblique-insert type electrode or a vertical-insert type electrode.
To sum up, the beneficial effects of the utility model are that:
1. the utility model provides the high reliability of electrode in the use, greatly reduced the electrode take place oxidative fracture's probability in the use, glass electric melting furnace horizontal electrode anti-oxidation device has also increased the stability of whole tank furnace operation process and the life of electric melting furnace to a certain extent, simple structure, processing convenience, easily installation.
2. The utility model discloses install water jacket and gas jacket outside the electrode, the water jacket can realize that the cooling of electrode, gas jacket can avoid air contact electrode high temperature part, and water jet equipment then can be through circulating water cooling for the electrode cooling, still can be through leading-in nitrogen gas of case of ventilating simultaneously in with this isolation air, prevent that the part that the electrode high temperature is under the water-cooling condition from being by air oxidation, whole feasible the utility model discloses an anti oxidation treatment is better, can strengthen electrode surface oxidation resistance, reduces the loss.
Drawings
FIG. 1 is a schematic structural diagram of an oxidation preventing device in this embodiment;
FIG. 2 is a view of the internal mechanism of the oxidation preventing device of this embodiment;
fig. 3 is a sectional view of the oxidation preventing means of the embodiment.
In the figure: 1. an electrode; 2. a water jacket; 21. a water inlet; 22. a water outlet; 3. air jacket; 31. an air inlet; 32. an air inlet pipe; 33. an exhaust hole; 4. an electrode holder; 5. a water spray nozzle; 6. and (7) a ventilation box.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following description of the present invention is provided in connection with the accompanying drawings.
It should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are used in the orientation or positional relationship indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1 to 3, in this embodiment, an anti-oxidation device for a horizontal electrode 1 of an electric melting furnace for borosilicate glass includes an electrode 1 and a metal ring-shaped electrode 1 protective sleeve sleeved outside the electrode 1, where the protective sleeve includes a water jacket 2 and a gas jacket 3, the water jacket 2 is sleeved in the electric melting furnace at a position not covered by glass liquid, a section of annular gas jacket 3 is disposed on an inner wall of the water jacket 2, the gas jacket 3 is sleeved outside the electrode 1, the gas jacket 3 is a circular ring and disposed at a middle rear portion of the inner wall of the water jacket 2 and isolated from the water jacket 2, the gas jacket 3 is provided with a gas inlet 31, the inner wall is further provided with a plurality of exhaust holes 33, the water jacket 2 is provided with a water inlet 21 and a water outlet 22, the water inlet 21 is located at a side close to a holder of the electrode 1, a water spraying device is mounted on the water inlet 21, and the water outlet 22 is located at another end away from the water inlet 21 of the water jacket 2.
In the embodiment, a partition wall is shared between the water jacket 2 and the air jacket 3, the length of the air jacket 3 is half of that of the water jacket 2, the outer diameter of the electrode 1 is half of that of the inner wall of the water jacket 2, one side of the air jacket 3 is provided with an air inlet 31, one end of the air inlet 31 is connected with an air inlet pipe 32, one side of the air inlet pipe 32 far away from the air inlet 31 is communicated with a vent box 6, the vent box 6 is arranged at the top end of a holder of the electrode 1, and the vent box 6 can blow compressed air to the surface of the electrode 1 to atomize water flow to form a protective layer or introduce nitrogen into the air jacket 3 to isolate air.
Specifically, the inner diameter of the water jacket 2 is half larger than the outer diameter of the electrode 1, and the water jacket is sleeved on the molybdenum electrode 1 and inserted into a kiln brick wall together. The outer side of the front end of the water jacket 2 is reserved with a certain distance from the wall to prevent molten glass from directly contacting the water jacket 2, the front end section of the water jacket 2 is cooled by circulating water, the rear end section of the water jacket 2 is also cooled by circulating water, the water jacket and the water cooling of the front end section form a connecting cavity, and water circulation is completed through a water spraying device and the water outlet 22. The water jacket 2 and the air jacket 3 share a partition wall, and the two water jackets 2 and the air jacket 3 which are separated from each other can be adopted without affecting the effect of the separation. A plurality of exhaust holes 33 which are uniformly distributed are formed in the inner wall of the air jacket 3, the size range of the exhaust holes 33 is 1-3 mm, the air box 6 introduces nitrogen into the air jacket 3 through an air inlet pipe 32 and exhausts the nitrogen through the exhaust holes 33 to blow the nitrogen onto the electrode 1, so that air is prevented from being added into gaps among the electrodes 1, and the electrodes 1 are protected by isolating the air. In addition, in order to sufficiently supply the introduction of nitrogen, a pressure regulator may be added to the intake pipe 32, and the pressure regulator can increase the pressure of nitrogen so that nitrogen is discharged from the gap around the electrode 1.
In this embodiment, electrode 1's one end is connected with electrode 1 holder, electrode 1 holder is provided with water jet equipment with electrode 1 junction, water jet equipment includes annular water spout 5, annular water spout 5 evenly distributed is on electrode 1 holder, and the water source is connected to the bottom of annular water spout 5, the other end of annular water spout 5 extends into in the cover 2, electrode 1 is horizontal formula of inserting, formula of inserting or erects the formula of inserting to one side in the glass smelting kiln, electrode 1 and electrode 1 holder fixed connection, the mounting means of electrode 1 on the glass smelting kiln is horizontal formula of inserting, formula of inserting to one side or erects the formula of inserting.
Specifically, an annular water spray nozzle 5 is adopted below a holder of the electrode 1 to spray water to the surface of the electrode 1, so that water flow flows downwards along the surface of the electrode 1, at the moment, a ventilation box 6 arranged at the top of the holder of the electrode 1 feeds nitrogen into an air inlet pipe 32, so that the water flow is atomized, a protective layer is formed on the surface of the electrode 1, the electrode 1 is in a round rod shape, and the diameter range is 33-52 mm. The kiln cross section that electrode 1 used is quadrangle or hexagon, and the kiln has adopted the electric melting mode of electrode 1 heating, can prevent that electrode 1 high temperature's part is by air oxidation under the water-cooling condition, wholly makes the utility model discloses an anti oxidation treatment is better, can strengthen electrode 1 surface oxidation resistance, reduces the loss.
In this embodiment, the main methods for protecting the electrode 1 at present include air cooling, water cooling, and nitrogen gas charging protection, and different protection methods are adopted for different glass properties. The utility model discloses combine water-cooling and fill nitrogen protection method, utilize mutually supporting of water jacket 2 and gas jacket 3, can also fill nitrogen gas and protect when carrying out water-cooling, the utility model is suitable for a various glass kilns that use 1 heating of electrode do not receive kiln structure and volumetric restriction, do not receive the restriction of 1 service modes of electrode, cut straightly formula, insert formula or erect formula electrode 1 and can both be equipped with the device and realize electrode 1's protection to one side.
The utility model discloses a theory of operation: referring to the attached drawings 1-3 of the specification, when the utility model is used, after the electrode 1 is fixed by the electrode 1 holder, the water source is opened, the annular water spray nozzle 5 sprays water to the surface of the electrode 1, so that the water flows downwards along the surface of the electrode 1, the redundant water flows temporarily exist in the water jacket 2, the temperature of the electrode 1 is convenient to reduce, then the ventilation box 6 is opened, nitrogen is supplied to the air jacket 3 from the air inlet pipe 32 and is discharged through the exhaust hole 33 and is blown onto the electrode 1, so that air is prevented from being added into gaps between the electrodes 1, the electrode 1 is protected by isolating air, the nitrogen can atomize the water flows, a protective layer is formed on the surface of the electrode 1, and the redundant water flows back to the water source through the water outlet 22 for recycling.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a be used for borosilicate glass electric melting furnace horizontal electrode anti oxidation device, includes electrode (1) and cup joints the metal ring shape electrode protective sheath outside electrode (1), its characterized in that: the protective sheath includes water jacket (2) and gas jacket (3), and water jacket (2) ring cover is equipped with one section annular gas jacket (3) on the water jacket (2) inner wall in the electric melting furnace by glass liquid uncovered department, and gas jacket (3) cup joint in electrode (1) outside, and the one end of electrode (1) is connected with electrode holder (4), and electrode holder (4) and electrode (1) junction are provided with water jet equipment.
2. The apparatus for preventing oxidation of a horizontal electrode of an electric melting furnace for borosilicate glass according to claim 1, wherein: the water jacket (2) is provided with a water inlet (21) and a water outlet (22), the water inlet (21) is positioned on one side close to the electrode holder (4), a water spraying device is installed on the water inlet (21), and the water outlet (22) is positioned on the other end deviating from the water inlet (21) of the water jacket (2).
3. The apparatus for preventing oxidation of a horizontal electrode of an electric melting furnace for borosilicate glass according to claim 2, wherein: the water spraying device comprises annular water spraying nozzles (5), the annular water spraying nozzles (5) are uniformly distributed on the electrode holder (4), the bottom ends of the annular water spraying nozzles (5) are connected with a water source, and the other ends of the annular water spraying nozzles (5) extend into the water inlet sleeve (2).
4. The apparatus for preventing oxidation of a horizontal electrode of an electric melting furnace for borosilicate glass according to claim 3, wherein: the water jacket (2) and the air jacket (3) share a partition wall, the length of the air jacket (3) is half of that of the water jacket (2), and the outer diameter of the electrode (1) is half of that of the inner wall of the water jacket (2).
5. The apparatus for preventing oxidation of a horizontal electrode of an electric melting furnace for borosilicate glass according to claim 4, wherein: one side of the air sleeve (3) is provided with an air inlet (31), one end of the air inlet (31) is connected with an air inlet pipe (32), one side, far away from the air inlet (31), of the air inlet pipe (32) is communicated with a ventilation box (6), and the ventilation box (6) is installed at the top end of the electrode holder (4).
6. The apparatus according to claim 5, wherein the oxidation preventing means comprises: a plurality of exhaust holes (33) are formed in the inner wall of the air sleeve (3), and the exhaust holes (33) are uniformly distributed in the air sleeve (3).
7. The apparatus according to claim 6, wherein the oxidation preventing means comprises: the electrode (1) is in a horizontal insertion type, an inclined insertion type or a vertical insertion type in the glass melting furnace, and the electrode (1) is fixedly connected with the electrode holder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220187699.7U CN217677274U (en) | 2022-01-24 | 2022-01-24 | Horizontal electrode anti-oxidation device for borosilicate glass electric melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220187699.7U CN217677274U (en) | 2022-01-24 | 2022-01-24 | Horizontal electrode anti-oxidation device for borosilicate glass electric melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217677274U true CN217677274U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220187699.7U Active CN217677274U (en) | 2022-01-24 | 2022-01-24 | Horizontal electrode anti-oxidation device for borosilicate glass electric melting furnace |
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| Country | Link |
|---|---|
| CN (1) | CN217677274U (en) |
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2022
- 2022-01-24 CN CN202220187699.7U patent/CN217677274U/en active Active
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