A slag removing device for oxygen lance of converter steelmaking

Abstract

This invention discloses a slag removal device for an oxygen lance in converter steelmaking, relating to the steel smelting industry. The device includes a slag removal mechanism and a moving mechanism. The moving mechanism includes two fixed markers and a gear ring coaxially arranged with the oxygen lance. The gear ring is fixed and meshes with a gear connected to a drive mechanism. The slag removal mechanism is connected to the drive mechanism, which includes a trigger component and a rotation drive component. The drive mechanism is configured such that when the trigger component moves to a proximity to / contact with the markers, the rotation drive component rotates the gear to change direction. Compared to a visual detection-based mechanism that instantly generates the slag removal path, this oxygen lance slag removal device for converter steelmaking has a simpler control logic, allowing ordinary equipment maintenance personnel to operate it. It significantly reduces equipment procurement and maintenance costs while achieving flexible, non-manual slag removal operation.

Description

Technical Field

[0001] This invention relates to the field of iron and steel smelting industry, specifically to an oxygen lance slag removal device for converter steelmaking. Background Technology

[0002] The oxygen lance in converter steelmaking is one of the key process equipment in oxygen converter steelmaking.

[0003] During the converter blowing process, the top-blown oxygen flow strongly impacts the molten pool, causing high-temperature steel slag mixed with some molten steel to splash violently and adhere to the lance body. As the blowing time and number of times increase, the slag layer will accumulate and become thicker, so it is necessary to remove the steel slag from the oxygen lance shell.

[0004] The slag adhering to the oxygen lance is not simply slag, but a multi-layered composite structure formed by the alternating solidification of steel slag and molten steel. It has extremely high hardness and strong adhesion, thus requiring first thermally melting and peeling off the steel slag, followed by mechanical slag removal. Specifically: (1) As the mainstream arrangement, the oxygen lance is vertically suspended and can only be moved axially by a winch. It cannot be rotated axially because the oxygen lance is connected to the ground power supply system through a pipeline. Rotation will cause the pipeline to become entangled, and the rotation of the oxygen lance has no benefit to the blowing process. (2) The oxygen lance is a cylindrical structure. The steel slag formed during the blowing process is distributed in the circumference and axial direction of the lance body. Under the premise that the oxygen lance cannot be rotated, whether it is manual cleaning or mechanical arm auxiliary cleaning, it is necessary to have the ability to cover all areas of the oxygen lance surface. This also means that there is an implementation process of adjusting the position of the existing slag removal device. (3) The oxygen lance has a large structural size. Although the use of a robotic arm with visual detection to assist in slag removal can accurately cover the area to be slag removed, the functional redundancy of the robotic arm is unbalanced with the cost-effectiveness of slag removal. Moreover, the robotic arm has low strength and cannot be used for auxiliary mechanical slag removal. For example, steel brush slag removal devices cannot be used in conjunction with the robotic arm. Such high work intensity may lead to vibration / impact damage.

[0005] In view of the aforementioned technical problems, which have brought certain adverse effects to the use process, we propose an oxygen lance slag removal device for converter steelmaking. Summary of the Invention

[0006] [Technical problems solved] To address the shortcomings of existing technologies, this invention provides an oxygen lance slag removal device for converter steelmaking, which has advantages such as reciprocating operation with a customizable slag removal range and mechanical contact triggering operation, and can effectively solve the problems in the background technology.

[0007] [Technical Solution] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a slag removal device for an oxygen lance in converter steelmaking, comprising a slag removal mechanism, a moving mechanism being provided on the slag removal mechanism, the moving mechanism comprising two fixed markers and a toothed ring coaxially arranged with the oxygen lance, the toothed ring being configured to be fixed, a gear meshing with the toothed ring, the gear being connected to a drive mechanism, the slag removal mechanism being connected to the drive mechanism, the drive mechanism comprising a triggering component and a rotational drive component, configured such that when the triggering component moves to the vicinity / contact of the markers, the rotational drive component drives the gear to rotate and change direction.

[0008] A slag removal device for an oxygen lance in converter steelmaking includes a slag removal mechanism and a moving mechanism. The moving mechanism includes two fixed markers and a toothed ring coaxially arranged with the oxygen lance. The toothed ring is configured to be fixed, and two spur gears are meshed with it. At any given time, only one spur gear is meshed with the toothed ring. A reversing gear set is provided between the two spur gears, and one spur gear is connected to a drive mechanism. The slag removal mechanism is connected to the drive mechanism, which includes a triggering component, a rotational drive component, and a linear movement drive component. The drive mechanism is configured such that when the triggering component moves to a position adjacent to / contacting the markers, the linear movement drive component changes the meshing state of the two spur gears with the toothed ring.

[0009] Preferably, the slag removal mechanism is an optional arrangement that those skilled in the art can make for actual implementation. For example, it can be a spray gun for melting metal slag, or a slag removal device with steel brushes for mechanically removing metal slag, including any slag removal mechanism that requires circumferential movement during the slag removal process of the oxygen lance.

[0010] Preferably, the marker being fixed means that the marker can be fixed externally or directly fixed to the oxygen lance, and the toothed ring being configured to be fixed means that the toothed ring can be fixed externally or directly fixed to the oxygen lance.

[0011] Preferably, the rotary drive can be any rotary drive that is well known and understood by those skilled in the art, such as a motor or a motor + reducer, capable of driving the gear to rotate.

[0012] Preferably, the slag removal mechanism is connected to the drive mechanism, meaning that the slag removal mechanism needs to move synchronously with the drive mechanism as the drive mechanism moves circumferentially based on the oxygen lance. The slag removal mechanism is a part that needs to be fixedly connected to the drive mechanism so as not to affect the normal operation of the drive mechanism.

[0013] Preferably, the gear is configured to rotate and change direction when the triggering component moves to the vicinity / contact of the marker. This means that the gear is rotated and changed direction when the triggering component and the marker are in contact or about to contact. Contact triggering and proximity triggering are optional arrangements made by those skilled in the art for actual implementation.

[0014] Preferably, the reversing gear set can be any reversing gear set that is well known and understood by those skilled in the art, such as planetary gear sets, worm gear sets, or belt drive sets, capable of changing the direction of rotational drive.

[0015] Preferably, changing the meshing state of the two spur gears and the ring gear means, under the premise that only one spur gear is meshing with the ring gear at any given time, changing the spur gear that was previously meshing with the ring gear to a disengaged state, and changing the spur gear that was previously disengaged from the ring gear to a meshing state with the ring gear. For example, a linear motion drive such as an electric push rod or a cylinder is set on a part of the two spur gears that does not affect their rotational operation, and is intended to drive the two spur gears to move in their axial direction in order to change the meshing state of the two spur gears and the ring gear.

[0016] Preferably, the triggering component includes a travel-triggered circuit switch.

[0017] Preferably, the travel-triggered circuit switch includes a non-contact switch such as a proximity switch, or a contact switch such as a push-button contact, which is an optional arrangement for practical implementation by those skilled in the art.

[0018] Preferably, the linear motion drive includes a force-bearing component, and the marker is located on the movement path of the force-bearing component. A second guide is provided on the force-bearing component to restrict it to only move laterally. A first guide is provided on one of its spur gears to drive it to move axially, and the spur gear is restricted to move only based on its axial direction. The first guide has an inclined surface and is movably connected to the force-bearing component.

[0019] Preferably, the fact that the guide member can drive the spur gear to move only in its axial direction means that the guide member and the spur gear are connected in a non-axial moving manner. For example, the guide member can be rotatably connected to the spur gear.

[0020] Preferably, the guide member having an inclined surface means that it can be as follows: Figure 4 The slide rail structure shown has a force-applying part provided on the part of the force-bearing member that is connected to the guide member when the guide member is a slide rail. The force-applying part is a slider that fits into the slide rail structure.

[0021] Preferably, the deflector gear set includes two bevel gears, which are coaxially fixedly connected to their corresponding spur gears, and a bevel gear is meshed between the two bevel gears.

[0022] Preferably, the spur gear not connected to the guide member is keyed to the driving part of the rotary drive member.

[0023] Preferably, the key connection between the spur gear not connected to the guide member and the driving part of the rotation drive member means, for example... Figure 4 In the structural state shown, a key shaft or a key sleeve that fits the key shaft structure is fixedly connected to the spur gear that is not connected to the guide member, and a key sleeve or key shaft is fixedly connected to the rotor of the rotating drive member.

[0024] Preferably, the slag removal device includes an assembly, and the linear moving drive further includes a support. The support is circumferentially slidably connected to the assembly based on the oxygen lance. The second guide is disposed on the support, and the third guide is disposed on the support to restrict the spur gear to move only along its axial direction. The non-driving part of the rotating drive is fixedly connected to the support. In this way, the overall arrangement of the moving mechanism can be made more compact.

[0025] Preferably, the assembly can serve as the overall frame of the slag removal device. When the assembly is provided, fasteners such as spiral fasteners can be installed on the assembly, and the assembly can be fixedly assembled to the gear assembly by the fasteners.

[0026] Preferably, the support member is circumferentially slidingly connected to the assembly based on the oxygen lance, meaning that the support member can move axially on the assembly. During this circumferential movement, the support member always faces the axis of the oxygen lance. This can be achieved as follows: Figure 5 , 6 As shown, a second connecting part is provided on the support member, and a guide part that matches the structure is provided on the assembly corresponding to the second connecting part.

[0027] Preferably, when a support member is provided, it can be as follows: Figure 5 As shown, guide member two is a horizontal groove formed on the support member, and guide member three is a vertical groove formed on the support member. Considering that spur gear, bevel gear one, and bevel gear two need to rotate, in order to drive the two spur gears to move axially without interfering with the normal rotation of spur gear, bevel gear one, and bevel gear two, it can be as follows: Figure 4 As shown, a connecting frame is provided between the two sets of spur gears and bevel gears, and a connecting part is provided on the connecting frame to fit the vertical groove structure that serves as a guide.

[0028] Preferably, the non-driving part of the rotating drive component is fixedly connected to the support component, which means that the rotating drive component, such as a motor, is fixedly connected to the support component through its housing.

[0029] Preferably, the marker is detachably attached to the assembly.

[0030] Preferably, when the assembly is provided, multiple connecting parts three can be provided on the assembly, and a connector that fits the structure of the connecting parts three can be provided on the marking member. The marking member can be detachably connected to the assembly through the connector and the connecting parts three.

[0031] Preferably, the three connecting parts on the assembly are arranged in a circular array based on the axis of the assembly. The more connecting parts there are, the smaller the spacing of the adjustable distribution of the markers in the circumferential direction of the assembly, and the higher the accuracy.

[0032] [Beneficial Effects] Compared with the prior art, the present invention provides an oxygen lance slag removal device for converter steelmaking, which has the following beneficial effects: This oxygen lance deslag removal device for converter steelmaking uses a movable mechanism. The area marked by the marker corresponds to the area on the oxygen lance to be deslag removed. During the deslag removal process, a rotating drive component drives a gear to rotate. With the gear ring fixed in place, the rotation of the gear causes the deslag removal mechanism to move synchronously in the circumferential direction of the oxygen lance. When the trigger component approaches / contacts the marker, it drives the gear to rotate in the opposite direction, thus forming a mechanically triggered reciprocating operation. Compared with the visual detection mechanism that generates the deslag removal path in real time, this control mechanism has a simpler logic and can be operated by ordinary equipment maintenance personnel. It greatly reduces equipment procurement and maintenance costs while achieving flexible deslag removal operation without manual intervention. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the operation of an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0034] Figure 2 This is a schematic diagram of the overall structure of an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0035] Figure 3 This is a schematic diagram of the drive mechanism in an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0036] Figure 4 This is a schematic diagram of the gear assembly in an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0037] Figure 5 This is a schematic diagram of the linear moving drive component in an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0038] Figure 6 This is a cross-sectional view of the marking parts and assemblies in a preferred embodiment of an oxygen lance slag removal device for converter steelmaking according to the present invention.

[0039] Figure 7 This is a side view of an oxygen lance slag removal device for converter steelmaking according to the present invention in operation.

[0040] Figure 8 This is a top view of an oxygen lance slag removal device for converter steelmaking according to the present invention in operation.

[0041] In the picture: 001. Oxygen lance; 002. Metal slag; 1. Slag removal mechanism; 2. Moving mechanism; 21. Marking element; 22. Gear ring; 23. Drive mechanism; 24. Assembly parts; 211. Connecting parts; 231. Gear assembly; 232. Linear motion drive component; 233. Rotary drive component; 241. Fastener; 242. Guide part; 243. Connecting part three; 2311. Spur gear; 2312. Bevel gear one; 2313. Bevel gear two; 23111 Key shaft; 23112 Guide component one; 23131. Connecting part one; 2321. Load-bearing component; 2322. Guide component two; 2323. Guide component three; 2324. Support component; 23211, Force-Exerting Unit; 23241. Connecting Part Two. Detailed Implementation

[0042] To make the technical means, creative features, achieved objectives, and functional effects of this invention readily understandable, the invention will be further described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are merely some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0043] In the embodiments, the arrangement method mainly refers to the spatial arrangement, connection relationship and combination form of various components, parts and modules in the mechanism, device, equipment and system, while the operation method mainly refers to the working principle and movement form of the mechanism, device, equipment and system and its attached components, parts and modules to achieve their functions and purposes.

[0044] Example 1 To address the shortcomings of existing technologies: Arrangement method: like Figure 1 , 2 As shown, the present invention provides a slag removal device for an oxygen lance in converter steelmaking, including a slag removal mechanism 1. A moving mechanism 2 is provided on the slag removal mechanism 1. The moving mechanism 2 includes two fixed markers 21 and a toothed ring 22 coaxially arranged with the oxygen lance 001. The toothed ring 22 is configured to be fixed, and a gear meshes with the toothed ring 22. The gear is connected to a drive mechanism 23. The slag removal mechanism 1 is connected to the drive mechanism 23. The drive mechanism 23 includes a trigger component and a rotation drive component 233. It is configured such that when the trigger component moves to the vicinity / contact of the markers 21, the rotation drive component 233 drives the gear to rotate and change direction.

[0045] Among them, the slag removal mechanism 1 is an optional arrangement that those skilled in the art can make for actual implementation. For example, it can be a spray gun for melting metal slag 002, or a slag removal device with steel brush for mechanically removing metal slag 002, including any slag removal mechanism that needs to move circumferentially in the slag removal process of oxygen lance 001. The marking element 21 being fixed means that the marking element 21 can be fixed to the outside or directly fixed to the oxygen lance 001. The toothed ring 22 being configured to be fixed means that the toothed ring 22 can be fixed to the outside or directly fixed to the oxygen lance 001. The rotation drive 233 can be any type of rotation drive that can drive the gear to rotate, such as a motor or a motor + reducer, which is well known and understood by those skilled in the art. The slag removal mechanism 1 is connected to the drive mechanism 23, which means that during the circumferential movement of the drive mechanism 23 based on the oxygen lance 001, the slag removal mechanism 1 needs to move synchronously with the drive mechanism 23. The slag removal mechanism 1 is a part that needs to be fixedly connected to the drive mechanism 23 without affecting the normal operation of the drive mechanism 23. The configuration to drive the gear to rotate and change direction when the triggering component moves to the vicinity / contact of the marker 21 means to drive the gear to rotate and change direction when the triggering component and the marker 21 are in contact or about to contact. The contact triggering and the proximity triggering are optional arrangements made by those skilled in the art for actual implementation.

[0046] Operation method: This invention is a slag removal device for oxygen lance in converter steelmaking. In actual implementation, the entire device is fixed on the oxygen lance 001. The position of the entire device on the axial direction of the oxygen lance 001 is determined relative to the position of the metal slag 002 to be removed, which will be described in detail below. During the process of removing the metal slag 002 on the oxygen lance 001, the metal slag 002 is melted first and then removed. After the entire device is fixed on the oxygen lance 001 based on the assembly 24, two markers 21 are added to the actual area covered by the metal slag 002 on the oxygen lance 001. These two markers 21 enable the slag removal mechanism 1 to cover all or part of the area where the metal slag 002 exists on the oxygen lance 001 during the process of the drive mechanism 23 driving the slag removal mechanism 1 to move. When the marker 21 is assembled and fixed in place, the drive mechanism 23 drives a gear that meshes with the gear ring 22. With the gear ring 22 also fixed in place, the rotation of the gear causes the gear to move in the circumferential direction of the gear ring 22. When the drive mechanism 23 contacts the marker 21, the drive gear reverses. In this structural state, the reverse rotation of the gear causes the gear to move in the circumferential direction of the gear ring 22 in the opposite direction to the previous movement. That is, whenever the drive mechanism 23 contacts any marker 21, it will drive the gear to rotate in the opposite direction to the previous rotation, thereby driving the slag removal mechanism 1 to reciprocate within the range marked by the two markers 21. If there is a fully encapsulated metallic slag 002 on the oxygen lance 001, there is no need to install the marker 21. The slag removal mechanism 1 can be driven by the drive mechanism 23 to move periodically around the oxygen lance 001. This is an optional arrangement made by those skilled in the art for actual implementation.

[0047] It is worth mentioning that the mechanically triggered reciprocating operation is achieved through the set mobile mechanism 2. Compared with the visual detection mechanism that generates the slag removal path in real time, the logic of this control mechanism is simpler and can be operated by ordinary equipment maintenance personnel. On the basis of realizing flexible slag removal operation without manual intervention, it greatly reduces the equipment procurement and maintenance costs.

[0048] Arrangement method: Specifically, the present invention provides a triggering component for an oxygen lance slag removal device for converter steelmaking. The triggering component includes a stroke-triggered circuit switch, and the stroke-triggered circuit switch is electrically connected to the rotation drive component 233.

[0049] The travel-triggered circuit switch includes non-contact switches such as proximity switches, or contact switches such as those with push-button contacts. This is an optional arrangement made by those skilled in the art for actual implementation. Furthermore, the electrical connection between the travel-triggered circuit switch as a triggering component and the rotation drive 233 can also be achieved by a controller with control logic acquiring signal feedback from the travel-triggered circuit switch to control the rotation drive 233. This is an optional arrangement made by those skilled in the art with reference to the prior art.

[0050] Operation method: This invention relates to an oxygen lance slag removal device for converter steelmaking. In this embodiment, the drive mechanism 23 is configured to change the direction of rotation of the gears to change the direction of movement of the slag removal mechanism 1 in the circumferential direction of the oxygen lance 001. When the drive mechanism 23 moves to the point where the stroke-triggered circuit switch, which is a trigger component, is triggered, an electrical signal is output to drive a rotating drive component 233, such as a motor, to rotate in the opposite direction.

[0051]

Example 2

[0052] Among them, the reversing wheel set can be any reversing wheel set that is well known and understood by those skilled in the art, such as planetary gear set, worm gear set, belt drive set, etc., and can change the direction of rotational drive. Changing the meshing state of the two spur gears 2311 and the gear ring 22 means that, under the premise that only one spur gear 2311 and the gear ring 22 are meshing at any given time, the spur gear 2311 that was previously meshing with the gear ring 22 is changed to a disengaged state, and the spur gear 2311 that was previously disengaged from the gear ring 22 is made to mesh with the gear ring 22. For example, a linear motion drive component 232, such as an electric push rod or a cylinder, is set on the two spur gears 2311 in a part that does not affect their rotation operation. It is intended to drive the two spur gears 2311 to move in their axial direction in order to change the meshing state of the two spur gears 2311 and the gear ring 22. In this embodiment, with the provision of a stroke-triggered circuit switch, since it is necessary to control the position of the spur gear 2311 through a linear motion drive, the stroke-triggered circuit switch is used as the control source for the linear motion drive. The electrical connection between the stroke-triggered circuit switch and the linear motion drive such as an electric push rod is an optional arrangement made by those skilled in the art with reference to the prior art.

[0053] Operation method: This invention relates to an oxygen lance slag removal device for converter steelmaking. In this embodiment, the drive mechanism 23 consists of two spur gears 2311 connected by a reversing gear set. When one spur gear 2311 rotates, the other spur gear 2311 rotates in the opposite direction. During this rotational drive, the spur gear 2311 normally meshes with the gear ring 22. When the linear motion drive component 232 is triggered by a stroke, it drives the two spur gears 2311 to move axially, causing the spur gear 2311 previously meshed with the gear ring 22 to disengage. The spur gear 2311 that was previously disengaged from the gear ring 22 then meshes with it again, thus switching the overall movement direction of the drive mechanism 23.

[0054] It is worth mentioning that in this embodiment, two spur gears 2311 are used instead of a single gear. The direction of rotation of the two spur gears 2311 is changed by changing the gear set. By changing the meshing relationship between the two spur gears 2311 with different directions and the gear ring 22, the direction of movement of the drive mechanism 23 can be changed, thereby eliminating the need for frequent changes to the direction of rotation of rotating drive components 233 such as motors.

[0055] In this embodiment, considering that the transmission speed input and output are not equal when using reversing gear sets such as planetary gear sets and worm gear sets, for example, in a planetary gear set, with the gear ring fixed, one spur gear 2311 is connected to the planet carrier and the other spur gear 2311 is connected to the sun gear. The rotational speeds of the two spur gears 2311 are not equal, which causes the overall movement speed of the drive mechanism 23 to be unequal in different directions, which may affect the slag efficiency, or it may be necessary to intervene and control the rotational speed of the rotating drive component 233, such as the motor. Therefore: Arrangement method: Furthermore, such as Figure 4 As shown, a gear assembly 231 for an oxygen lance slag removal device for converter steelmaking includes two bevel gears 2312, which are coaxially fixedly connected to their corresponding spur gears 2311, and a bevel gear 2313 meshes between the two bevel gears 2312.

[0056] Operation method: This invention relates to an oxygen lance slag removal device for converter steelmaking. In this embodiment, the device uses a gear assembly 231. Each of the two spur gears 2311 is connected to a bevel gear 2312, and a bevel gear 2313 meshes vertically between the two bevel gears 2312 along their axial direction. The bevel gear 2313 changes the rotation direction of the two bevel gears 2312, and the two bevel gears 2312 rotate at the same speed.

[0057] It is worth mentioning that, compared with other types of reversing gear sets, the bevel gear set, while achieving equal rotational speeds of the two spur gears 2311, has a more stable structure and occupies less space and has a higher space efficiency ratio compared with gear transmission reversing gear sets.

[0058] As a preferred arrangement, such as Figure 4 As shown, the spur gear 2311, which is not connected to the guide member 23112, is keyed to the driving part of the rotation drive member 233.

[0059] The key connection between the spur gear 2311, which is not connected to the guide member 23112, and the driving part of the rotation drive member 233 refers to, for example... Figure 4 In the structural state shown, a key shaft 23111 or a key sleeve that fits the structure of the key shaft 23111 is fixedly connected to the spur gear 23111 which is not connected to the guide member 23112. Then, a key sleeve or key shaft 23111 is fixedly connected to the rotor of the rotation drive member 233. The driving part of the rotation drive 233 refers to components such as the rotor on a motor or the connecting shaft on a reducer, which are used to drive the spur gear 2311 to rotate.

[0060]

Example 3

[0061] Wherein, the fact that the guide member 23112 can drive the spur gear 2311 to move only in its axial direction means that the guide member 23112 and the spur gear 2311 form a non-axial moving connection. For example, the guide member 23112 can be rotatably connected to the spur gear 2311. Guide component 23112 has an inclined surface, which means it can be as follows: Figure 4 The slide rail structure shown has a force-applying part 23211 provided at the part of the force-receiving part 2321 that is connected to the guide member 23112 when the guide member 23112 is a slide rail. The force-applying part 23211 is a slider that fits into the slide rail structure. Those skilled in the art will understand that, since the gear assembly 231 needs to move axially, in order to prevent the gear assembly 231 from falling off on its own when the linear drive member 232 is not under force, damping / limiting components can be added to the gear assembly 231 and the linear drive member 232 at parts that do not affect the operation of the device. The purpose is to maintain the position of the gear assembly 231 when the force-bearing member 2321 is not under force. For example, the damping / limiting component can be set between the force-bearing member 2321 and the guide member 2322, so that the force-bearing member 2321 cannot slide off the guide member 2322 on its own when it is not under force. Only when the force-bearing member 2321 contacts the marker member 21 and is under force, as the drive mechanism 23 as a whole continues to move, the force on the force-bearing member 2321 from the marker member 21 is sufficient to overcome the friction between the force-bearing member 2321 and the guide member 2322.

[0062] Operation method: This invention relates to an oxygen lance slag removal device for converter steelmaking. Through a gear assembly 231 and a linear movement drive component 232, in this embodiment, during the movement of the drive mechanism 23 as a whole in the circumferential direction of the gear ring 22, the marker 21 is located on the movable stroke of the force-bearing component 2321 based on the circumferential direction of the gear ring 22. When the drive mechanism 23 moves to the point where the force-bearing component 2321 contacts the marker 21, during the continuous movement of the drive mechanism 23, the force-bearing component 2321 is subjected to force by the marker 21 and moves laterally based on the guide component 2322. During the lateral movement of the force-bearing component 2321, force is applied to the guide component 23112. Because the guide component 23112 has an inclined surface and is restricted to vertical movement only, it moves vertically after being subjected to lateral force. This movement control mechanism changes the axial position of the two spur gears 2311 relative to the gear ring 22.

[0063] It is worth mentioning that in this embodiment, the mechanical triggering method of the linear motion drive component 232 is used to replace the control mechanism that requires triggering components such as electric push rods and cylinders, which ensures a certain degree of automation while reducing maintenance costs.

[0064] As a preferred arrangement, such as Figure 6 As shown, the slag removal device includes an assembly 24, a linear movement drive 232, and a support 2324. The support 2324 is circumferentially slidably connected to the assembly 24 based on the oxygen lance 001. A guide 2322 is disposed on the support 2324, and a guide 3 2323 is disposed on the support 2324 to restrict the spur gear 2311 to move only along its axial direction. The non-driving part of the rotation drive 233 is fixedly connected to the support 2324. In this way, the overall arrangement of the moving mechanism 2 can be made more compact.

[0065] Among them, the assembly 24 can serve as the overall frame of the slag removal device. Under the premise of the assembly 24 being provided, fasteners 241, such as spiral fasteners, can be provided on the assembly 24. The assembly 24 can be fixedly assembled onto the gear assembly 231 by the fasteners 241. The support member 2324 is circumferentially slidingly connected to the assembly 24 based on the oxygen lance 001, meaning that the support member 2324 can move axially on the assembly 24. During this circumferential movement of the support member 2324 based on the assembly 24, the support member 2324 always faces the axis of the oxygen lance 001. This can be as follows: Figure 5 , 6 As shown, a connecting part 23241 is provided on the support member 2324, and a guide part 242 that fits the structure is provided on the assembly 24 at the position corresponding to the connecting part 23241. With support member 2324 in place, it can be as follows: Figure 5 As shown, guide member 2322 is a horizontal groove formed on support member 2324, and guide member 2323 is a vertical groove formed on support member 2324. Considering that spur gear 2311, bevel gear 1 2312, and bevel gear 2313 need to rotate, in order to drive the two spur gears 2311 to move axially without interfering with the normal rotation of spur gear 2311, bevel gear 1 2312, and bevel gear 2313, it can be as follows: Figure 4 As shown, a connecting frame is provided between the two sets of spur gears 2311 and bevel gears 2312, and a connecting part 23131 is provided on the connecting frame to fit the vertical groove structure that serves as a guide member 2323. The non-driving part of the rotating drive component 233 is fixedly connected to the support component 2324, which means that the rotating drive component, such as the motor, is fixedly connected to the support component 2324 through its housing.

[0066] As a preferred arrangement, and such Figure 6 As shown, the marker 21 is detachably connected to the assembly 24.

[0067] In the case of the assembly 24, multiple connecting parts 243 can be provided on the assembly 24, and a connecting part 211 that fits the structure of the connecting parts 243 can be provided on the marking part 21. The marking part 21 is detachably connected to the assembly 24 through the connecting part 211 and the connecting parts 243. The connecting parts 243 on the assembly 24 are arranged in a ring based on the axis of the assembly 24. The more connecting parts 243 are provided, the smaller the spacing of the adjustable distribution of the markers 21 in the circumferential direction of the assembly 24, and the higher its accuracy.

[0068] As a preferred arrangement, taking the slag removal mechanism 1 mounted on the support member 2324 as an example, the present invention aims to drive the slag removal mechanism 1 to move circumferentially. Those skilled in the art will understand that, for actual implementation, an adjustable mechanism can be provided at the connection between the support member 2324 and the slag removal mechanism 1. The adjustable mechanism includes adjusting the position of the slag removal mechanism 1 relative to the oxygen lance 001 in the axial direction, or adjusting the tilt angle of the slag removal mechanism 1. Whether it is online adjustment or offline adjustment, it is an optional arrangement made by those skilled in the art with reference to the prior art.

[0069] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A slag removal device for an oxygen lance (001) used in converter steelmaking, comprising a slag removal mechanism (1), characterized in that: A moving mechanism (2) is provided on the slag removal mechanism (1). The moving mechanism (2) includes two fixed markers (21) and a toothed ring (22) coaxially arranged with the oxygen lance (001). The toothed ring (22) is configured to be fixed and meshes with a gear. The gear is connected to a drive mechanism (23). The slag removal mechanism (1) is connected to the drive mechanism (23). The drive mechanism (23) includes a trigger component and a rotation drive component (233). It is configured such that when the trigger component moves to the vicinity / contact of the markers (21), the rotation drive component (233) drives the gear to rotate and change direction.

2. A slag removal device for an oxygen lance (001) used in converter steelmaking, comprising a slag removal mechanism (1), characterized in that: A moving mechanism (2) is provided on the slag removal mechanism (1). The moving mechanism (2) includes two fixed markers (21) and a toothed ring (22) coaxially arranged with the oxygen lance (001). The toothed ring (22) is configured to be fixed. Two spur gears (2311) can mesh with the toothed ring (22). At any given time, only one of its spur gears (2311) meshes with the toothed ring (22). A reversing wheel set is provided between the two spur gears (2311). One of its spur gears (2311) is connected to a drive mechanism (23). The slag removal mechanism (1) is connected to the drive mechanism (23). The drive mechanism (23) includes a trigger assembly, a rotation drive (233), and a linear movement drive (232). It is configured such that when the trigger assembly moves to the vicinity / contact of the marker (21), the linear movement drive (232) changes the meshing state of the two spur gears (2311) and the toothed ring (22).

3. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 1 or 2, characterized in that: The triggering component includes a travel-triggered circuit switch.

4. The slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 2, characterized in that: The linear motion drive (232) includes a force-bearing component (2321), and the marker (21) is located on the movement path of the force-bearing component (2321). A guide (2322) is provided on the force-bearing component (2321) to restrict the force-bearing component (2321) to only move laterally. A guide (23112) is provided on one of the spur gears (2311) to drive it to move axially. The spur gear (2311) is restricted to only move based on its axial direction. The guide (23112) has an inclined surface and is movably connected to the force-bearing component (2321).

5. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 4, characterized in that: The spur gear (2311), which is not connected to the guide member (23112), is keyed to the driving part of the rotation drive member (233).

6. The slag removal device for an oxygen lance (001) in converter steelmaking according to claim 2, characterized in that: The deflector wheel assembly includes two bevel gears (2312), which are coaxially fixedly connected to their corresponding spur gears (2311), and a bevel gear (2313) meshes between the two bevel gears (2312).

7. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 4, characterized in that: The slag removal device includes an assembly (24), and the linear movement drive (232) also includes a support (2324). The support (2324) is circumferentially slidably connected to the assembly (24) based on the oxygen lance (001). The second guide (2322) is disposed on the support (2324), and the third guide (2323) is disposed on the support (2324) to restrict the spur gear (2311) to move only based on its axial direction. The non-driving part of the rotation drive (233) is fixedly connected to the support (2324).

8. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 7, characterized in that: A connecting frame is provided on the two sets of spur gears (2311) and bevel gears (2312), and the connecting frame is restricted to moving only vertically on the support (2324).

9. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 1 or 2, characterized in that: The marker (21) is detachably connected to the assembly (24).

10. A slag removal device for an oxygen lance (001) used in converter steelmaking according to claim 9, characterized in that: The assembly (24) has a connecting part three (243) and a connector (211) that fits the structure of the connecting part three (243) is provided on the marking part (21). The marking part (21) is detachably connected to the assembly (24) through the connecting part three (243) and the connector (211).

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