A device for dismounting and recycling a lance probe for a converter

Abstract

The utility model relates to a device of dismounting and recycling converter steelmaking auxiliary gun probe, belongs to metallurgical industry steelmaking equipment technical field. Technical scheme is: containing unloading force dog (1), unloading force lever (2), pivot (3) and connecting plate (4), connecting plate (4) fixed connection is in auxiliary gun sleeve (7) on, unloading force lever (2) is connected on connecting plate (4) through pivot (3) rotation, unloading force dog (1) is the U-shaped structure of cooperation with unloading force lever (2) and auxiliary gun probe (5), the opening width of unloading force dog (1) of U-shaped structure is greater than the diameter of auxiliary gun probe (5), and the radian of two end arc shapes is matched with the section size of unloading force lever (2). The utility model has the beneficial effects that: the separation and recovery of auxiliary gun probe and auxiliary gun body can be completed quickly by one person, reduce the labor intensity of workers, avoid the safety accidents produced when pulling out auxiliary gun probe manually and the like.

Description

Technical Field

[0001] This utility model relates to a device for disassembling and recycling the auxiliary lance probe of a converter steelmaking process, belonging to the technical field of steelmaking equipment in the metallurgical industry. Background Technology

[0002] The auxiliary lance can perform functions such as temperature measurement, oxygen determination, sampling, and liquid level measurement without tilting the furnace, which can improve converter production efficiency and reduce the labor intensity of employees. The auxiliary lance probe, as the core component for auxiliary lance measurement, costs approximately 100-120 yuan per piece. When the auxiliary lance experiences steel or slag adhesion, or other equipment-related issues causing the probe connection to fail, the probe needs to be pulled out and recycled. Existing methods include: ① Automatically pulling out the auxiliary lance probe through a reset cycle and dropping it from the converter APC control box platform to the rear platform via a recovery chute. This method damages the probe, resulting in cost waste; ② The operator goes to the APC control box platform and manually holds the probe while it is automatically pulled out to complete the probe recycling. This method requires personnel to ascend from the converter control room to the 23-meter-high APC control platform. This high platform is a gas-filled area, requiring at least two people wearing gas meters to operate, which not only increases the labor intensity of the operators but also poses safety hazards. ③ The operator manually lowers the auxiliary lance to the platform behind the furnace, with one person holding the probe while another manually raises the auxiliary lance and pulls out the probe to complete the retrieval. However, the connection force between the auxiliary lance probe and the auxiliary lance is over 50N, which could cause the operator to lose control of the probe, resulting in multiple operations. Additionally, due to the presence of steel or slag adhering to the auxiliary lance, there is a risk of it falling and injuring the operator. Utility Model Content

[0003] The purpose of this invention is to provide a device for disassembling and recycling the auxiliary lance probe in a converter steelmaking process. This device enables a single person to quickly separate and recycle the auxiliary lance probe from the auxiliary lance body, reducing the labor intensity of workers, avoiding safety accidents caused by manually pulling out the auxiliary lance probe, and solving the problems existing in the background technology.

[0004] The technical solution of this utility model is: A device for disassembling and recycling a secondary lance probe in a converter steelmaking process includes a stress relief claw, a stress relief lever, a rotating shaft, and a connecting plate. The connecting plate is fixedly connected to the secondary lance sleeve, and the stress relief lever is rotatably connected to the connecting plate via the rotating shaft. The stress relief claw is a U-shaped structure that cooperates with the stress relief lever and the secondary lance probe.

[0005] The stress-relieving claw is a U-shaped structure formed by bending steel bars, with arc-shaped ends.

[0006] The opening width of the U-shaped unloading claw is larger than the diameter of the secondary gun probe, and the curvature of the arc at both ends matches the cross-sectional size of the unloading lever.

[0007] The unloading claw of the U-shaped structure is welded with a claw handle.

[0008] The unloading lever is provided with a cavity that cooperates with the unloading claw.

[0009] Using this invention, when it is necessary to manually disassemble the secondary gun probe, open the secondary gun sleeve, manually lower the secondary gun to the recovery platform behind the furnace, rotate the unloading lever to make the unloading lever contact with the secondary gun probe, then engage the unloading claw in the position where the unloading lever and the secondary gun probe are in contact, manually lift the handle of the unloading claw to make the unloading claw, the unloading lever, and the secondary gun probe tightly locked together, and at the same time operate the lifting function of the secondary gun system to complete the separation of the secondary gun probe from the secondary gun body and realize the recovery of the secondary gun probe.

[0010] The beneficial effects of this utility model are: it enables a single person to quickly separate and retrieve the sub-lance probe from the sub-lance body on the converter platform, avoiding automatic falling and wasting the probe, reducing the labor intensity of operators, reducing high-span gas operations, and avoiding the safety risks involved in pulling out the sub-lance probe. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the usage state of this utility model; Figure 2 This is a diagram of the utility model in its non-use state; Figure 3 This is a partially enlarged top view of the present invention in its non-use state; In the diagram: 1. Unloading claw; 2. Unloading lever; 3. Rotary shaft; 4. Connecting plate; 5. Secondary gun probe; 6. Secondary gun body; 7. Secondary gun sleeve; 8. Recovery chute; 9. Claw handle. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings and examples.

[0013] See attached document Figure 1-3 A device for disassembling and recycling a secondary lance probe in a converter steelmaking process includes a stress relief claw 1, a stress relief lever 2, a rotating shaft 3, and a connecting plate 4. The connecting plate 4 is fixedly connected to the secondary lance sleeve 7, and the stress relief lever 2 is rotatably connected to the connecting plate 4 via the rotating shaft 3. The stress relief claw 1 is a U-shaped structure that cooperates with the stress relief lever 2 and the secondary lance probe 5.

[0014] In this embodiment, refer to the appendix Figure 1-3 The device includes a force-relieving claw 1, a force-relieving lever 2, a rotating shaft 3, a connecting plate 4, and a claw handle 9, wherein: The length of the unloading lever 2 must match that of the secondary gun probe 5. The unloading lever 2 is connected to the connecting plate 4 via the pivot 3. The unloading lever 2 has a hole for placing the unloading claw 1. In the non-working state, the unloading claw 1 is inserted into the hole of the unloading lever 2, and the connecting plate 4 is connected to the secondary gun sleeve 7. The unloading claw 1 mates with the unloading lever 2 and the secondary gun probe 5.

[0015] The unloading claw 1 is a U-shaped structure made of bent steel bars. The opening width of the U-shaped structure is larger than the diameter of the secondary gun probe 5. The arc of the two ends matches the cross-sectional size of the unloading lever 2. The claw handle 9 is welded to the middle of the steel bars.

[0016] When it is necessary to manually disassemble the secondary gun probe 5, open the secondary gun sleeve 7, and manually lower the secondary gun to the furnace recovery platform through the secondary gun recovery chute 8. Rotate the unloading lever 2 to make the unloading lever 2 contact with the secondary gun probe 5. Then, insert the unloading claw 1 into the position where the unloading lever 2 is in contact with the secondary gun probe 5. By manually lifting the handle 9 of the unloading claw 1, the unloading claw 1, the unloading lever 2, and the secondary gun probe 5 are tightly locked together. At the same time, operate the secondary gun system lifting function to complete the separation of the secondary gun probe 5 from the secondary gun body 6 and realize the recovery of the secondary gun probe. After the secondary gun probe 5 is separated, remove the unloading claw 1, insert it into the placement hole on the unloading lever 2, rotate the unloading lever 2 to the non-working position, and complete the retrieval of the secondary gun probe 5.

Claims

1. A device for dismounting a lance probe for a secondary converter for steelmaking, characterized in that: It includes a force-relieving claw (1), a force-relieving lever (2), a rotating shaft (3) and a connecting plate (4). The connecting plate (4) is fixedly connected to the secondary gun sleeve (7). The force-relieving lever (2) is rotatably connected to the connecting plate (4) through the rotating shaft (3). The force-relieving claw (1) is a U-shaped structure that cooperates with the force-relieving lever (2) and the secondary gun probe (5).

2. A device for dismounting a lance probe of a secondary converter for steelmaking according to claim 1, characterized in that: The unloading claw (1) is a U-shaped structure made of bent steel bars, with arc-shaped ends.

3. A device for dismounting a lance probe of a secondary converter for steelmaking according to claim 2, characterized in that: The opening width of the U-shaped unloading claw (1) is greater than the diameter of the secondary gun probe (5), and the arc of the two ends matches the cross-sectional size of the unloading lever (2).

4. A device for dismounting a lance probe of a secondary converter for steelmaking according to claim 3, characterized in that: A claw handle (9) is welded onto the unloading claw (1) of the U-shaped structure.

5. The device for disassembling and recycling the auxiliary lance probe of a converter steelmaking process according to claim 1, characterized in that: The unloading lever (2) has a cavity that cooperates with the unloading claw (1).

Images