CN220502895U - Electrode cooling device and kiln - Google Patents
Electrode cooling device and kiln Download PDFInfo
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- CN220502895U CN220502895U CN202321815453.0U CN202321815453U CN220502895U CN 220502895 U CN220502895 U CN 220502895U CN 202321815453 U CN202321815453 U CN 202321815453U CN 220502895 U CN220502895 U CN 220502895U
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- electrode
- kiln
- cooling
- structural layer
- air
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- 238000001816 cooling Methods 0.000 title claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000011521 glass Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 239000000243 solution Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
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Abstract
The application provides an electrode cooling device and kiln, electrode cooling device is applied to the cooling of electrode and adjacent structural layer in the kiln, includes: the device comprises a water cooling structure, an air inlet pipe, an annular pipe, at least one air outlet nozzle and at least one tensioning structure. The water cooling structure is sleeved outside the electrode, the annular pipe is sleeved outside the water cooling structure, the air inlet pipe and the air outlet nozzle are respectively arranged on the annular pipe, and the air outlet nozzle and a preset plane where the annular pipe is arranged are arranged at a first preset angle. The utility model provides an electrode cooling device establishes water-cooling structure through setting up the annular pipe box, and air-supply line air inlet and air-out mouth are to electrode and adjacent structural layer air-out cooling, have accelerated the temperature diffusion of structural layer, have realized the cooling and the cooling of structural layer, have avoided the structural layer of installation electrode department to explode the crack because of the uneven temperature. Meanwhile, the water jacket is used for cooling the electrode by air cooling on the basis of water cooling in the prior art, the cooling effect of the electrode is better, and high-temperature oxidation of the electrode is avoided.
Description
Technical Field
The application relates to the field of glass kiln melting production, in particular to an electrode cooling device and a kiln.
Background
Glass manufacturers currently use glass electrofusion technology to manufacture glass products, glass in a high temperature molten state is an electrical conductor, and current is introduced into the glass liquid through electrodes to generate joule heat to directly melt the glass raw materials and regulate the temperature of the glass liquid.
In the electric melting furnace, the furnace wall or furnace bottom part adjacent to the electrode can be made of refractory materials with excellent erosion resistance and thermal shock resistance as a structural layer, but the structural layer at the position has poor cooling and cooling effects under the long-time high-temperature state and the impact of glass liquid flow, so that the collapse or explosion of a brick body is easy to occur, and the safe operation of the electric melting furnace is seriously influenced. In addition, the electrode is usually a molybdenum electrode, oxidation starts at 400 ℃, and although the electrode is cooled by a water jacket in industry, the electrode self-heating temperature is very high, the cooling effect is poor, the electrode temperature is difficult to be reduced to below 400 ℃, and the water jacket cooling only can play a role in relieving the oxidation speed.
Disclosure of Invention
In order to solve the problems, an electrode cooling device and a kiln are provided.
In a first aspect of the present application, there is provided an electrode cooling device for cooling electrodes and adjacent structural layers in a kiln, the electrode cooling device comprising: the device comprises a water cooling structure, an air inlet pipe, an annular pipe, at least one air outlet nozzle and at least one tensioning structure;
the water cooling structure is sleeved outside the electrode, the annular pipe is sleeved outside the water cooling structure, and the annular pipe is connected with the water cooling structure through the tensioning structure; the air inlet pipe and the air outlet nozzle are respectively arranged on the annular pipe, and the air outlet nozzle and a preset plane where the annular pipe is arranged are arranged at a first preset angle.
Wherein, the air outlet nozzle is arranged at a second preset angle with the axis of the electrode.
Wherein the preset plane is a plane where the central line of the annular tube is located.
Wherein, when the electrode cooling device includes a plurality of the air outlet nozzles and a plurality of the tensioning structures, the number of the air outlet nozzles is the same as the number of the tensioning structures.
The air outlets are uniformly distributed on the annular pipe, and the tensioning structure is arranged corresponding to the air outlets.
The water cooling structure comprises a water jacket and a temperature measuring unit, the water jacket is sleeved outside the electrode, and the temperature measuring unit is in signal connection with the water jacket.
In a second aspect of the present application, there is provided a kiln comprising an electrode, a structural layer and at least one electrode cooling device according to any one of the first aspects;
the electrode cooling device is sleeved on the electrode;
the electrode cooling device penetrates through the structural layer.
The structure layer comprises a kiln bottom and a kiln side wall; the electrode cooling device is arranged on the furnace bottom of the kiln and/or the side wall of the kiln in a penetrating way.
Wherein when the kiln comprises a plurality of electrode cooling devices, the plurality of electrode cooling devices form the same or different angles with the structural layer.
The kiln also comprises a filling glass layer, wherein the filling glass layer is positioned at a gap between the electrode penetrating out of the structural layer and the structural layer.
Compared with the prior art, the application has the following beneficial effects: the utility model provides an electrode cooling device establishes water-cooling structure through setting up the annular pipe box, and air-supply line air inlet and air-out mouth are to electrode and adjacent structural layer air-out cooling for the outside temperature diffusion of structural layer has realized the cooling and the cooling of structural layer, has avoided the structural layer of installation electrode department to explode the crack because of the uneven temperature. Meanwhile, the electrode cooling device in the application increases air cooling on the basis of water cooling of the electrode by using the water jacket in the prior art, has a better electrode cooling effect, and avoids high-temperature oxidation of the electrode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an electrode cooling device according to an exemplary embodiment.
Fig. 2 is a schematic front view of an electrode cooling device according to an embodiment.
Fig. 3 is a schematic top view of an electrode cooling device according to an embodiment.
Fig. 4 is a schematic diagram showing an installation manner of the electrode cooling device according to the embodiment.
Fig. 5 is a schematic view showing a partial structure of a kiln according to an exemplary embodiment.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The application provides an electrode cooling device and kiln, electrode cooling device is applied to the cooling of electrode and adjacent structural layer in the kiln, includes: the device comprises a water cooling structure, an air inlet pipe, an annular pipe, at least one air outlet nozzle and at least one tensioning structure. The water cooling structure is sleeved outside the electrode, the annular pipe is sleeved outside the water cooling structure, the annular pipe is connected with the water cooling structure through the tensioning structure, the air inlet pipe and the air outlet nozzle are respectively arranged on the annular pipe, and the air outlet nozzle and a preset plane where the annular pipe is arranged are arranged at a first preset angle. The utility model provides an electrode cooling device establishes water-cooling structure through setting up the annular pipe box, and air-supply line air inlet and air-out mouth are to electrode and adjacent structural layer air-out cooling for the outside temperature diffusion of structural layer has realized the cooling and the cooling of structural layer, has avoided the structural layer of installation electrode department to explode the crack because of the uneven temperature. Meanwhile, the electrode cooling device in the application increases air cooling on the basis of water cooling of the electrode by using the water jacket in the prior art, has a better electrode cooling effect, and avoids high-temperature oxidation of the electrode.
In a first aspect of the present application, according to one exemplary embodiment, as shown in fig. 1-4, the present application provides an electrode cooling device 200 for use in cooling an electrode 100 and an adjacent structural layer 300 in a kiln. As shown in fig. 1 to 3, the electrode cooling device 200 includes: the air-cooling structure 210, the air inlet pipe 220, the annular pipe 230, the at least one air outlet nozzle 240 and the at least one tensioning structure 250.
In this embodiment, as shown in fig. 1, the water cooling structure 210 includes a water jacket 211, a water inlet 212, a water outlet 213, and a temperature measuring unit 214. The water jacket 211 is sleeved outside the electrode 100, and the water inlet 212 and the water outlet 213 are respectively communicated with the water jacket 211 and are used for feeding water and discharging water to form the water circulation cooling electrode 100, so that the electrode 100 is prevented from being oxidized due to overhigh temperature and being incapable of continuously melting glass raw materials. The temperature measuring unit 214 is in signal connection with the water jacket 211 and is used for detecting the real-time temperature of the water jacket 211.
In this embodiment, as shown in fig. 1-3, the annular tube 230 is sleeved outside the water cooling structure 210, and the air inlet tube 220 is disposed on the annular tube 230 and is located at the lower part of the annular tube 230, for introducing cooling air required for air cooling. The air outlet nozzles 240 are also disposed on the annular tube 230 and are located at the upper portion of the annular tube 230, in this embodiment, three air outlet nozzles 240 are disposed, the three air outlet nozzles 240 are uniformly distributed on the annular tube 230, and the outlet portion of the air outlet nozzle 240 may be elliptical, so as to be convenient for increasing the pressure of the cooling air. The air outlet nozzle 240 can be in a straight cylindrical shape or in an arc cylindrical shape, and when the air outlet nozzle is in an arc cylindrical shape, the direction of the center of the arc is the same as that of the center of the electrode, so that space occupation can be saved, and cooling air outlet surrounding the electrode can be formed. The number and specific shape of the air outlet nozzles 240 are not limited in the present application, and the actual requirements of production are not limited.
As shown in fig. 2, the plane where the air outlet nozzle 240 and the central line of the annular tube 230 are located is set at a first preset angle α, where the first preset angle α may be 30 ° to 90 °; as shown in fig. 1, the air outlet 240 is disposed at a second preset angle β with respect to the axis of the electrode 100, and the second preset angle β may be 0 ° to 30 °. Setting the angle α can cause the cooling air blown out from the evenly distributed air outlet nozzles 240 to form a swirl-like air flow, and convection is formed in a limited space, so that the heat affected zone of the electrode 100 and the adjacent structural layer 300 are efficiently cooled. The set beta angle may be determined according to the size of the space of the installation location and the size of the electrode 100 to increase the adjustment range of the cooling air and enhance the adaptability of the air cooling adjustment. In one other embodiment, when α=90°, β=0°, i.e. the air outlet nozzle 240 is perpendicular to the central plane of the annular tube 230 and parallel to the electrode 100 in the vertical direction, the air outlet nozzle 240 can directly perform direct injection cooling of the refractory material, steel structure and kiln space of the structural layer 300 around the electrode 100.
The air inlet pipe 220 is also provided with a micro regulating valve (not shown in the figure), and the micro regulating valve can automatically regulate the air quantity and the temperature of the cooling air according to the temperature inside the water jacket 211 measured by the temperature measuring unit 214 or the temperature inside the kiln, so as to realize differential control according to requirements. The micro-regulating valve can be a fault-opening regulating valve, so that the micro-regulating valve can be normally opened under specific conditions, and the electrode 100 can be subjected to air cooling operation even if abnormal faults occur.
As shown in fig. 3, the annular tube 230 is connected with the water jacket 211 of the water cooling structure 210 through the tensioning structure 250, and the tensioning structure 250 can be made of a spring fastener made of an insulating material, so that conductivity is prevented and safety is improved. The number of the tensioning structures 250 is the same as that of the air outlets 240, the positions of the tensioning structures 250 and the positions of the air outlets 240 are correspondingly arranged, the tensioning structures 250 can be arranged at the root of each air outlet 240, the tensioning structures 250 can be arranged at the middle positions of two adjacent air outlets 240, and the overall structural stability of the electrode cooling device can be ensured through the arrangement.
In summary, the electrode cooling device in the application can be installed in a narrow space of an electrode position in a kiln, is simple in structure, and performs air-cooling through the air outlet nozzles arranged at a certain angle, so that the problems that electrode oxidation and structural layer refractory materials are corroded due to heat concentration near the electrode are effectively solved, and the cooling air quantity can be manually or automatically adjusted according to the temperature of an electrode water jacket or the temperature of the kiln, so that differential control is realized.
In a second aspect of the present application, as shown in fig. 4 and 5, a kiln is provided, the kiln comprising an electrode 100, at least one electrode cooling device 200 according to any of the first aspects, a structural layer 300 and a filler glass layer 400.
The electrode 100 may be one of a molybdenum electrode, a tin oxide electrode, or a silicon molybdenum electrode. The electrode cooling device 200 is sleeved on the electrode 100, the electrode cooling device 200 and the electrode 100 are jointly arranged on the structural layer 300 in a penetrating mode, wherein the electrode 100 penetrates out of the structural layer 300, and the electrode 100 is used for melting glass raw materials and adjusting glass liquid temperature.
As shown in fig. 4, the furnace structural layer 300 includes a furnace hearth 310 and a furnace sidewall 320, and molten glass 900 is contained in a furnace formed by the furnace hearth 310 and the furnace sidewall 320. The electrode cooling devices 200 can be arranged in one or more according to requirements, the electrode cooling devices 200 are arranged on the kiln bottom 310 and/or the kiln side wall 320 in a penetrating manner, and the specific installation mode can be one or more of (1) direct inserting of the kiln bottom, (2) oblique inserting of the kiln bottom, (3) side wall side inserting and (4) oblique inserting of the side wall in fig. 4, and the angles formed by the electrode cooling devices 200 and the structural layer 300 can be the same or different.
In this embodiment, the kiln bottom 310 and the kiln side wall 320 of the kiln adopt a layered ladder-shaped arrangement and a non-integral type multi-layer structure, which further improves the structural stability of the kiln, and the electrode cooling device 200 can be arranged on different layers according to the requirements, thereby improving the melting efficiency of the kiln.
As shown in fig. 5, the glass filling layer 400 is located at the gap where the electrode 100 passes through the structural layer 300 and then meets the structural layer 300, and the glass filling layer 400 may be made of broken glass with low expansion rate, good electrical insulation and thermal stability, and the broken glass is melted at a high temperature and enters the gap and then is cooled and solidified to perform a sealing function.
The kiln in the application can adopt an electric melting furnace or a full electric melting furnace, and the electrode cooling device is applicable to electrodes with different insertion modes and has strong adaptability; especially for the kiln with a deeper melting tank or a colored glass electric melting kiln, the electrode cooling device is arranged, so that the melting efficiency of the electrode is increased, and the service life of the kiln is prolonged.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.
Claims (10)
1. An electrode cooling device for cooling electrodes and adjacent structural layers in a kiln, the electrode cooling device comprising: the device comprises a water cooling structure, an air inlet pipe, an annular pipe, at least one air outlet nozzle and at least one tensioning structure;
the water cooling structure is sleeved outside the electrode, the annular pipe is sleeved outside the water cooling structure, and the annular pipe is connected with the water cooling structure through the tensioning structure; the air inlet pipe and the air outlet nozzle are respectively arranged on the annular pipe, and the air outlet nozzle and a preset plane where the annular pipe is arranged are arranged at a first preset angle.
2. The electrode cooling apparatus according to claim 1, wherein,
the air outlet nozzle and the axis of the electrode are arranged at a second preset angle.
3. The electrode cooling apparatus according to claim 1, wherein,
the preset plane is a plane where the central line of the annular tube is located.
4. The electrode cooling apparatus according to claim 1, wherein,
when the electrode cooling device comprises a plurality of air outlets and a plurality of tensioning structures, the number of the air outlets is the same as the number of the tensioning structures.
5. The electrode cooling apparatus according to claim 4, wherein,
the air outlets are uniformly distributed on the annular pipe, and the tensioning structure is arranged corresponding to the air outlets.
6. The electrode cooling apparatus according to claim 1, wherein,
the water cooling structure comprises a water jacket and a temperature measuring unit, the water jacket is sleeved outside the electrode, and the temperature measuring unit is in signal connection with the water jacket.
7. A kiln comprising an electrode, a structural layer and at least one electrode cooling device according to any one of claims 1-6;
the electrode cooling device is sleeved on the electrode;
the electrode cooling device penetrates through the structural layer.
8. The kiln of claim 7, wherein the kiln comprises a kiln body,
the structural layer comprises a kiln bottom and a kiln side wall; the electrode cooling device is arranged on the furnace bottom of the kiln and/or the side wall of the kiln in a penetrating way.
9. Kiln according to claim 7 or 8, characterized in that,
when the kiln includes a plurality of the electrode cooling devices, the plurality of electrode cooling devices form the same or different angles with the structural layer.
10. The kiln of claim 7, wherein the kiln comprises a kiln body,
the kiln also comprises a filling glass layer, wherein the filling glass layer is positioned at a gap between the electrode penetrating out of the structural layer and the structural layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815453.0U CN220502895U (en) | 2023-07-11 | 2023-07-11 | Electrode cooling device and kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815453.0U CN220502895U (en) | 2023-07-11 | 2023-07-11 | Electrode cooling device and kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220502895U true CN220502895U (en) | 2024-02-20 |
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ID=89875192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815453.0U Active CN220502895U (en) | 2023-07-11 | 2023-07-11 | Electrode cooling device and kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220502895U (en) |
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2023
- 2023-07-11 CN CN202321815453.0U patent/CN220502895U/en active Active
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