LF furnace electrode accident treatment device

Abstract

The utility model discloses an LF furnace electrode accident handling device, and relates to the technical field of electrode accident handling, the LF furnace electrode accident handling device comprises a long hook and an electrode sleeving assembly, the electrode sleeving assembly comprises a hollow pipe, and the top of the hollow pipe extends to form an arc end; an alloy steel rope penetrates through the hollow pipe, and circular rings are arranged at the two ends of the alloy steel rope respectively. A handle end is arranged at the tail of the hollow pipe, and a plurality of transverse rods are arranged at the handle end of the hollow pipe and perpendicular to the hollow pipe. According to the LF furnace electrode accident treatment device, a steel rope on a broken electrode can be wound, positioned and locked, the operation that the steel rope is manually wound around the electrode at a short distance and high difficulty is avoided, the operation difficulty is greatly reduced, the probability of occurrence of safety accidents such as high-temperature scalding is reduced, the time of the whole treatment process is greatly shortened, and the working efficiency is improved. The production rhythm is prevented from being influenced by too long processing time, and the production efficiency is ensured.

Description

Technical Field

[0001] This utility model relates to the field of electrode accident handling technology, specifically to an electrode accident handling device for an LF furnace. Background Technology

[0002] In modern steelmaking processes, the LF furnace (ladle refining furnace) plays a crucial role. The LF furnace electrode is a key component in the steelmaking process, primarily used to heat molten steel via an electric arc to adjust temperature and composition and remove inclusions, thus playing a decisive role in improving steel quality. However, during ladle furnace production, the electrode often suffers damage due to the complex thermal stresses it endures, sometimes even breaking, necessitating its removal and replacement.

[0003] Chinese utility model patent CN202047084U discloses an LF furnace electrode hoisting system, which enables efficient hoisting when electrodes need to be adjusted or replaced. However, during operation, the electrodes may break due to changes in thermal stress. Once the electrode breaks, the broken section will insert into the molten steel. The temperature of the molten steel is extremely high, making it difficult for operators to approach the broken electrode for operation. Currently, there are no special tools available, and only alloy steel ropes on long poles can be used to retrieve the broken electrode. However, the process of the alloy steel ropes bypassing the electrode is extremely difficult, resulting in long processing time and low efficiency for electrode accidents, which seriously affects the production rhythm. At the same time, there is also a risk of high-temperature burns during the operation.

[0004] Therefore, there is an urgent need for an electrode accident handling device for LF furnaces, which avoids the difficult and time-consuming operation of manually wrapping steel ropes around the electrodes, improves the efficiency of electrode accident handling, and reduces the probability of safety accidents such as high-temperature burns. Utility Model Content

[0005] The purpose of this invention is to provide an LF furnace electrode accident handling device to solve at least one aspect of the problems and defects mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An LF furnace electrode accident handling device, comprising:

[0008] The long hook and electrode sleeve assembly, wherein the electrode sleeve assembly includes a hollow tube with an arc-shaped end extending from the top of the hollow tube;

[0009] An alloy steel rope is threaded through the hollow tube, and a ring is provided at each end of the alloy steel rope.

[0010] The hollow tube has a handle end at its tail end, and several crossbars are arranged perpendicularly to the handle end of the hollow tube.

[0011] The LF furnace electrode accident handling device according to this scheme has at least the following technical advantages:

[0012] In the non-working state, pull all the alloy steel rope back to the handle end, and wrap the excess alloy steel rope at the handle end around several crossbars. When in use, untie the alloy steel rope on the crossbars, extend the arc end of the hollow tube to the back of the electrode, and use the crossbars to adjust the position of the arc end of the hollow tube so that the inner surface of the arc end hooks onto the broken electrode for positioning. At this time, hook the long hook onto the ring outside the arc end of the hollow tube, pull the alloy steel rope out from the tube opening at the arc end, and put the ring at the arc end of the hollow tube onto the rope loop that has been pre-fitted onto the electrode. After connecting, pull the ring at the end of the alloy steel rope. The ring at the arc end of the hollow tube will pull the steel rope around the back of the electrode and pull it back as the alloy steel rope retracts, so that the steel rope wraps around the electrode once and locks the electrode. Subsequently, the broken electrode is lifted out by a crane.

[0013] The LF furnace electrode accident handling device can perform a circumferential operation on the broken electrode and lock it in place, avoiding the manual operation of moving the steel rope around the electrode at close range and with high difficulty. This greatly reduces the difficulty of operation, reduces the probability of safety accidents such as high temperature burns, and significantly reduces the time of the entire handling process, avoiding the impact on the production rhythm due to excessive handling time and ensuring production efficiency.

[0014] As a further embodiment of this utility model, the diameter of the ring is 90mm-110mm.

[0015] Because the diameter of the ring is 90mm-110mm, it can be easily fitted onto the steel rope, reducing operational difficulties caused by size mismatch, speeding up the entire electrode accident handling process, and improving the convenience and smoothness of operation.

[0016] As a further embodiment of this invention, the diameter of the alloy steel rope is 5mm-7mm.

[0017] During the process of wrapping the steel rope around the broken electrode and locking it, the alloy steel rope needs to withstand a certain force. By setting the diameter of the alloy steel rope to 5mm-7mm, the alloy steel rope has sufficient strength to withstand the tension generated when the steel rope is pulled, ensuring that the alloy steel rope will not break easily during the operation, thus improving the safety and reliability of the operation.

[0018] As a further embodiment of this invention, the length of the alloy steel rope is 2 to 2.5 times the length of the hollow tube.

[0019] Because the alloy steel rope is 2 to 2.5 times the length of the hollow tube, it allows operators to flexibly adjust the relative position of the hollow tube and the electrode within a certain range. The longer alloy steel rope allows for more freedom in changing the operating angle, and by adjusting the direction of the tension in the alloy steel rope, the rope can be smoothly passed behind the electrode. Furthermore, the longer alloy steel rope allows operators to stay away from high-temperature areas and operate from a relatively safe distance, reducing the time and risk of operators being exposed to high-temperature environments.

[0020] As a further embodiment of this utility model, the diameter of the top arc end of the hollow tube is 90mm-110mm larger than the diameter of the electrode.

[0021] Because the diameter of the arc end at the top of the hollow tube is 90mm-110mm larger than the diameter of the electrode, the larger arc end diameter makes it easier to cover the broken electrode during operation, which can effectively reduce the possibility of collision between the hollow tube and the electrode, avoid the electrode position from shifting or causing additional damage due to collision, and greatly reduce the difficulty and complexity of operation.

[0022] As a further embodiment of this utility model: the crossbar is provided as two crossbars, and the distance between the two crossbars is 190mm-210mm.

[0023] Because there are two crossbars with a distance of 190mm-210mm between them, the crossbars not only serve as handles during use, allowing the position of the arc end of the hollow tube to be adjusted by rotating them, so that the inner wall of the arc end can smoothly hook onto the electrode; but also, in the non-working state, the gap between the two crossbars makes it easy to wind the alloy steel rope around the two crossbars for storage after it has been fully pulled back, improving the convenience and versatility of operation.

[0024] As a further embodiment of this utility model, the lengths of the two crossbars are 290mm-310mm.

[0025] With the two crossbars ranging from 290mm to 310mm in length, they provide ample gripping space for the operator when used as handles, facilitating stable force application and enabling more precise and flexible control of the position and angle of the hollow tube's arc end. This improves operational flexibility and accuracy, while also reducing the risk of hand slippage during operation, preventing the tool from falling due to hand slippage and ensuring operational safety.

[0026] As a further improvement of this utility model, rope clips are respectively provided at both ends between the two crossbars.

[0027] By installing rope clips at both ends between the two crossbars, the rope clips can limit and fix the alloy steel rope wound around the crossbars when not in operation, preventing the alloy steel rope wound around the crossbars from loosening or slipping during storage or transportation, thus improving the portability and storage efficiency of the device. Attached Figure Description

[0028] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0029] Figure 1 A schematic diagram of the electrode sleeve assembly structure of an LF furnace electrode accident handling device;

[0030] Figure 2 for Figure 1 A magnified view of part A;

[0031] Figure 3 A schematic diagram of the working state of an electrode accident handling device for an LF furnace;

[0032] Figure 4 A second schematic diagram of the working state of an electrode accident handling device for an LF furnace.

[0033] Figure 5 This is the third schematic diagram of the working state of an LF furnace electrode accident handling device.

[0034] Figure label:

[0035] 1. Electrode sleeve assembly; 101. Hollow tube; 102. Alloy steel rope; 103. Ring; 104. Crossbar; 105. Rope clip; 2. Electrode; 201. Steel rope. Detailed Implementation

[0036] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0037] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0039] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0041] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0042] like Figure 1-5 The present invention, as shown in this embodiment, provides an electrode accident handling device for an LF furnace, comprising: a long hook and an electrode sleeve assembly 1. The electrode sleeve assembly 1 includes a hollow tube 101, the top of which extends to an arc end; an alloy steel rope 102 is threaded through the hollow tube 101, preferably a chromium-nickel austenitic stainless steel rope, and circular rings 103 are respectively provided at both ends of the alloy steel rope 102; a handle end is provided at the tail of the hollow tube 101, and several crossbars 104 are provided at the handle end of the hollow tube 101 perpendicular to the hollow tube 101.

[0043] In the non-working state, the alloy steel rope 102 is pulled back to the handle end, and the excess alloy steel rope 102 at the handle end is wrapped around several crossbars 104. In use, the alloy steel rope 102 on the crossbar 104 is untied, and the arc end of the hollow tube 101 is extended to the rear of the electrode 2. The position of the arc end of the hollow tube 101 is adjusted using the crossbar 104 so that the inner surface of the arc end hooks onto the broken electrode 2 for positioning. At this time, the long hook is hooked onto the ring 103 outside the arc end of the hollow tube 101, and the alloy steel rope 102 is pulled out from the arc end of the tube. The ring 103 at the arc end of the hollow tube 101 is then fitted onto the loop of the steel rope 201 that has been pre-fitted onto the electrode 2. After the connection is made, the ring 103 at the tail end of the alloy steel rope 102 is pulled. As the alloy steel rope 102 retracts, the ring 103 at the arc end of the hollow tube 101 pulls the steel rope 201 around the rear of the electrode 2 and pulls it back, so that the steel rope 201 wraps around the electrode 2 once and locks the electrode 2. Subsequently, the broken electrode 2 is lifted out by a crane.

[0044] Specifically, the LF furnace electrode accident handling device can perform a circumferential operation on the steel rope 201 on the broken electrode 2 and lock it in place, avoiding the manual operation of passing the steel rope around the electrode at close range and with high difficulty. This greatly reduces the difficulty of operation, reduces the probability of safety accidents such as high temperature burns, and significantly reduces the time of the entire handling process, avoiding the impact on the production rhythm due to excessive handling time and ensuring production efficiency.

[0045] Furthermore, the diameter of the ring 103 is 90mm-110mm.

[0046] Specifically, since the diameter of the ring 103 is 90mm-110mm, the ring 103 can be easily fitted onto the steel rope 201, reducing operational difficulties caused by size mismatch, speeding up the entire electrode accident handling process, and improving the convenience and smoothness of operation.

[0047] Furthermore, the diameter of the alloy steel rope 102 is 5mm-7mm.

[0048] Specifically, during the process of wrapping the steel rope 201 on the broken electrode 2 around the electrode and locking it, the alloy steel rope 102 needs to withstand a certain force. By setting the diameter of the alloy steel rope 102 to 5mm-7mm, the alloy steel rope 102 has sufficient strength to withstand the tension generated when the steel rope 201 is pulled, ensuring that the alloy steel rope 102 will not break easily during the operation, thus improving the safety and reliability of the operation.

[0049] Furthermore, the length of the alloy steel rope 102 is 2 to 2.5 times the length of the hollow tube 101.

[0050] Specifically, since the length of the alloy steel rope 102 is 2 to 2.5 times the length of the hollow tube 101, it is convenient for the operator to flexibly adjust the relative position of the hollow tube 101 and the electrode within a certain range. This allows the longer alloy steel rope 102 to change the operating angle more freely. By adjusting the direction of the tension of the alloy steel rope 102, the steel rope 201 can be smoothly passed behind the electrode 2. Furthermore, the longer alloy steel rope 102 allows the operator to stay away from the high-temperature area as much as possible and operate at a relatively safe distance, reducing the time and risk of the operator being exposed to the high-temperature environment.

[0051] Furthermore, the diameter of the top arc end of the hollow tube 101 is 90mm-110mm larger than the diameter of the electrode 2.

[0052] Specifically, since the diameter of the top arc end of the hollow tube 101 is 90mm-110mm larger than the diameter of the electrode 2, the larger arc end diameter makes it easier to cover the broken electrode 2 during operation, which can effectively reduce the possibility of collision between the hollow tube 101 and the electrode 2, avoid the electrode 2 from moving or causing additional damage due to collision, and greatly reduce the difficulty and complexity of operation.

[0053] According to embodiments of the present invention, such as Figure 1 As shown, there are two crossbars 104, and the distance between the two crossbars 104 is 190mm-210mm.

[0054] Specifically, since there are two crossbars 104, with a distance of 190mm-210mm between them, the crossbars 104 can not only serve as handles during use, allowing the position of the arc end of the hollow tube 101 to be adjusted by rotating the crossbars 104 so that the inner wall of the arc end can smoothly hook onto the electrode 2; but also, in the non-working state, the gap between the two crossbars 104 allows the alloy steel rope 102 to be fully pulled back and wrapped around the two crossbars 104 for storage, improving the convenience and versatility of operation.

[0055] Furthermore, the lengths of the two crossbars 104 are 290mm-310mm.

[0056] Specifically, since the length of the two crossbars 104 is 290mm-310mm, when the crossbars 104 are used as handles, they can provide the operator with sufficient grip space, making it easier to apply force stably. This allows for more precise and flexible control of the position and angle of the arc end of the hollow tube 101, improving the flexibility and accuracy of operation. It also reduces the risk of hand slippage during operation, preventing the tool from falling due to hand slippage and ensuring safety during operation.

[0057] Furthermore, rope clips 105 are respectively installed at both ends between the two crossbars 104.

[0058] Specifically, by setting rope clips 105 at both ends between the two crossbars 104, the rope clips 105 can limit and fix the alloy steel rope 102 wrapped around the crossbars 104 in the non-working state, preventing the alloy steel rope 102 wrapped around the crossbars 104 from loosening or slipping during storage or transportation, thus improving the portability and storage efficiency of the device.

[0059] It should also be noted that the long hook can be any type of tool with a bend, which can be used to hook the ring 103 at the arc end of the hollow tube 101 and pull out the alloy steel rope 102.

[0060] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. An electrode accident handling device for an LF furnace, characterized in that, include: The long hook and electrode sleeve assembly (1) include a hollow tube (101) with an arc end extending from the top of the hollow tube (101); An alloy steel rope (102) is threaded through the hollow tube (101), and a ring (103) is provided at each end of the alloy steel rope (102); The hollow tube (101) is provided with a handle end at its tail end, and a plurality of crossbars (104) are provided on the handle end of the hollow tube (101) and perpendicular to the hollow tube (101).

2. The LF furnace electrode accident handling device according to claim 1, characterized in that, The diameter of the ring (103) is 90mm-110mm.

3. The LF furnace electrode accident handling device according to claim 1, characterized in that, The diameter of the alloy steel rope (102) is 5mm-7mm.

4. The LF furnace electrode accident handling device according to claim 3, characterized in that, The length of the alloy steel rope (102) is 2 to 2.5 times the length of the hollow tube (101).

5. The LF furnace electrode accident handling device according to claim 1, characterized in that, The diameter of the top arc end of the hollow tube (101) is 90mm-110mm larger than the diameter of the electrode.

6. The LF furnace electrode accident handling device according to claim 1, characterized in that, The crossbar (104) is configured as two, and the distance between the two crossbars (104) is 190mm-210mm.

7. The LF furnace electrode accident handling device according to claim 6, characterized in that, The lengths of the two crossbars (104) are 290mm-310mm.

8. The LF furnace electrode accident handling device according to claim 7, characterized in that, Rope clips (105) are respectively provided at both ends between the two crossbars (104).

Images