CN220896876U - Electrode assembly for submerged arc furnace - Google Patents
Electrode assembly for submerged arc furnace Download PDFInfo
- Publication number
- CN220896876U CN220896876U CN202322427083.XU CN202322427083U CN220896876U CN 220896876 U CN220896876 U CN 220896876U CN 202322427083 U CN202322427083 U CN 202322427083U CN 220896876 U CN220896876 U CN 220896876U
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- China
- Prior art keywords
- electrode
- cooling
- electrode body
- assembly
- guide piece
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- 238000001816 cooling Methods 0.000 claims abstract description 54
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model provides an electrode assembly for a submerged arc furnace, which relates to the field of submerged arc furnaces and comprises an electric body, a hydraulic assembly, a cooling assembly and a guide piece, wherein the upper end of an electrode body is provided with a connecting piece, the guide piece is hollow, the electrode body can be slidably arranged in the guide piece, the hydraulic assembly is used for pushing the electrode body to move up and down along the guide piece, the cooling assembly comprises a cooling pipe and a plurality of cooling nozzles, one end of the cooling pipe is annularly arranged along the inner wall of the guide piece, the other end of the cooling pipe extends out of the guide piece, the cooling nozzles are uniformly distributed on the cooling pipe, the hydraulic assembly can insert the electrode body into a material, the guide piece can prevent the electrode body from shifting when being inserted down, and the cooling nozzle is used for cooling the electrode body.
Description
Technical Field
The application relates to the field of submerged arc furnaces, in particular to an electrode assembly for a submerged arc furnace.
Background
The ore-smelting furnace is also called electric arc furnace or electric resistance furnace, and is mainly used for reducing and smelting ore, carbonaceous reducing agent and solvent, etc. its working characteristics are that it adopts carbonaceous or magnesium refractory material as furnace lining, electrode is inserted into furnace material to implement submerged arc operation, and utilizes the energy of electric arc and current to pass through the furnace material, and utilizes the energy produced by resistance of furnace material to smelt metal, and adopts the processes of continuous charging, intermittent tapping slag and continuous operation, and in the course of electrode use it also has hydraulic lifting system to make cooperation use, and can make electrode move up and down according to different internal conditions.
The current electrode is difficult to insert downwards, the material melting speed is low, the furnace mouth temperature is high, the reduction is insufficient due to the fact that 'low carbon ratio' operation is adopted for electrode insertion, and slag accumulation in the furnace is increased, so that the current electrode structure needs to be improved.
Disclosure of Invention
The embodiment of the application aims to provide an electrode assembly for an ore smelting furnace, which can solve the technical problem of difficult electrode downward insertion.
The embodiment of the application provides an electrode assembly for an ore smelting furnace, which comprises an electrode body, a hydraulic assembly, a cooling assembly and a guide piece, wherein a connecting piece is arranged at the upper end of the electrode body, the guide piece is hollow, the electrode body is slidably arranged in the guide piece, the hydraulic assembly is used for pushing the electrode body to move up and down along the guide piece, the cooling assembly comprises a cooling pipe and a plurality of cooling nozzles, one end of the cooling pipe is annularly arranged along the inner wall of the guide piece, the other end of the cooling pipe extends out of the guide piece, and the cooling nozzles are uniformly distributed on the cooling pipe.
Preferably, the outer surface of the side part of the electrode body is provided with an insulating coating.
Preferably, the diameter of the electrode body is 1300mm.
Preferably, a plurality of electrode bodies may be provided, and a polar circle diameter between two adjacent electrode bodies is 3450mm.
Preferably, the guide member is provided with a mounting member at an upper portion thereof.
Preferably, the connector is connected to the output of the hydraulic assembly.
The utility model has the beneficial effects that:
The utility model provides an electrode assembly for an ore-smelting furnace, which comprises an electrode body, a hydraulic assembly, a cooling assembly and a guide piece, wherein the upper end of the electrode body is provided with a connecting piece, the guide piece is hollow, the electrode body can be slidably arranged in the guide piece, the hydraulic assembly is used for pushing the electrode body to move up and down along the guide piece, the cooling assembly comprises a cooling pipe and a plurality of cooling nozzles, one end of the cooling pipe is annularly arranged along the inner wall of the guide piece, the other end of the cooling pipe extends out of the guide piece, the cooling nozzles are uniformly distributed on the cooling pipe, the hydraulic assembly can insert the electrode body into a material, the guide piece can prevent the electrode body from shifting during downward insertion, the cooling nozzles are used for cooling the electrode body, and the cooling assembly adopts annular cooling and has good cooling effect.
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 as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of the present utility model;
Fig. 2 is a schematic structural view of the present utility model.
The reference numerals are respectively:
1. An electrode body; 2. a hydraulic assembly; 3. a cooling assembly; 4. a guide member; 5. a connecting piece; 6. a cooling tube; 7. cooling the nozzle; 8. an insulating coating; 9. and a mounting member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying 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 of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, an electrode assembly for an ore-smelting furnace comprises an electrode body 1, a hydraulic assembly 2, a cooling assembly 3 and a guide piece 4, wherein a connecting piece 5 is arranged at the upper end of the electrode body 1, the guide piece 4 is hollow, the electrode body 1 is slidably arranged in the guide piece 4, the hydraulic assembly 2 is used for pushing the electrode body 1 to move up and down along the guide piece 4, the cooling assembly 3 comprises a cooling pipe 6 and a plurality of cooling nozzles 7, one end of the cooling pipe 6 is annularly arranged along the inner wall of the guide piece 4, the other end of the cooling pipe 6 extends out of the guide piece 4, the cooling nozzles 7 are uniformly distributed on the cooling pipe 6, the hydraulic assembly 2 can insert the electrode body 1 into a material, the guide piece 4 can prevent the electrode body 1 from deflecting when being inserted down, the cooling nozzles 7 are used for cooling the electrode body 1, and the cooling effect is good due to the annular cooling.
In this embodiment, the insulating coating 8 is disposed on the outer surface of the side portion of the electrode body 1, so that the insulating coating 8 of the present utility model avoids the occurrence of short circuit phenomenon due to the electrical connection between the electrode body 1 and other components, and the device is safe and reliable.
In this embodiment, the diameter of the electrode body 1 is 1300mm.
In this embodiment, a plurality of electrode bodies 1 may be provided, and the diameter of the polar circle between two adjacent electrode bodies 1 is 3450mm.
Specifically, with reference to a Wirst-Rich parameter calculation method, the relation between the diameter of the electrode core circle of the electric furnace and the resistance of the furnace burden is analyzed, the influence of the diameter of the electrode core circle on the power distribution and the heat distribution in the furnace is combined with long-term exploration of the diameter of the electrode core circle of the iron silicon furnace of I, and the optimal diameter of the electrode body 1 is 1300mm.
And analyzing the relation between the diameter of the polar circle and the electrode current, and enabling the power to have proper secondary current and electrode center distance corresponding to the relation. The electric furnace needs to run with reduced load, so that the secondary current and the electrode spacing are correspondingly reduced, and a good effect is achieved; when the furnace shaft burning condition is analyzed, the distance between the electrode bodies 1 and 1 is considered to form a proper mutually communicated high-temperature region, the distance between the electrodes and the furnace is considered to effectively prevent the furnace shaft burning from being too fast, and in conclusion, the diameter of a polar center circle between the two electrode bodies 1 is set to 3450mm.
In this embodiment, the upper part of the guide 4 is provided with a mounting member 9, and the mounting member 9 of the present utility model is used for fixing the guide 4 in the submerged arc furnace.
In this embodiment, the connecting piece 5 is connected to the output end of the hydraulic assembly 2, and the connecting piece 5 of the present utility model is detachably connected to the hydraulic assembly 2.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. An electrode assembly for a submerged arc furnace, characterized by: including electrode body, hydraulic assembly, cooling module, guide, electrode body upper end is provided with the connecting piece, the guide is hollow, electrode body slidable mounting in the guide, hydraulic assembly is used for promoting electrode body is followed the guide reciprocates, cooling module includes cooling tube and a plurality of cooling nozzle, cooling tube one end is followed guide inner wall annular sets up, the cooling tube other end extends the guide, cooling nozzle evenly distributed in on the cooling tube.
2. An electrode assembly for a submerged arc furnace according to claim 1, wherein: the outer surface of the side part of the electrode body is provided with an insulating coating.
3. An electrode assembly for a submerged arc furnace according to claim 1, wherein: the diameter of the electrode body is 1300mm.
4. An electrode assembly for a submerged arc furnace according to claim 1, wherein: the electrode bodies can be provided with a plurality of electrode bodies, and the diameter of a polar circle between two adjacent electrode bodies is 3450mm.
5. An electrode assembly for a submerged arc furnace according to claim 1, wherein: the upper part of the guide piece is provided with a mounting piece.
6. An electrode assembly for a submerged arc furnace according to claim 1, wherein: the connecting piece is connected with the output end of the hydraulic assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427083.XU CN220896876U (en) | 2023-09-07 | 2023-09-07 | Electrode assembly for submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427083.XU CN220896876U (en) | 2023-09-07 | 2023-09-07 | Electrode assembly for submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220896876U true CN220896876U (en) | 2024-05-03 |
Family
ID=90871288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322427083.XU Active CN220896876U (en) | 2023-09-07 | 2023-09-07 | Electrode assembly for submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220896876U (en) |
-
2023
- 2023-09-07 CN CN202322427083.XU patent/CN220896876U/en active Active
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