A residual iron eye positioning device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2026-08-14
AI Technical Summary
传统确定高炉出铁主沟残铁眼方法多依赖经验估算，误差较大，易引发出铁主沟铁水、熔渣排放不畅、不净、沟体损坏等问题，不仅影响生产效率，还存在安全隐患
[0017] In the residual iron hole positioning device provided in this application, since the bottom ends of the first measuring part and the second measuring part are flush, when the first measuring part abuts against the bottom surface of the main ditch on the inner side of the main ditch, the bottom end of the second measuring part also corresponds to the position of the bottom surface of the main ditch on the outer side of the main ditch. Thus, the position of the residual iron hole on the side wall of the main ditch can be accurately located according to the position of the bottom end of the second measuring part, and the residual iron hole can be opened from the outside to the inside on the main ditch. In this way, the position judgment error of the residual iron hole is small, which makes the discharge of molten iron and slag from the main ditch smoother, improves production efficiency, and reduces safety hazards.
Smart Images
Figure CN224633506U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of iron and steel metallurgy technology, and in particular to a residual iron eye positioning device. Background Technology
[0002] Currently, most blast furnace tapping channels are of the storage type, leaving a large amount of molten iron and slag inside after tapping. During tapping, the inner side of the channel is immersed and eroded by molten iron and slag at 1450–1550℃, causing severe corrosion to the refractory materials and castable layers. Regular inspections are necessary, and the channel must be repaired according to the corrosion situation. This requires draining the accumulated molten iron and slag through the residual iron hole before repair work can begin. Traditional methods for determining the residual iron hole in the blast furnace tapping channel rely heavily on experience, resulting in significant errors and potential problems such as poor and unclean drainage of molten iron and slag, and damage to the channel itself. This not only affects production efficiency but also poses safety hazards. Therefore, there is an urgent need for a device that can accurately and conveniently determine the residual iron hole in the blast furnace tapping channel to overcome the shortcomings of existing technologies. Utility Model Content
[0003] This application provides a residual iron hole positioning device, which to some extent improves the technical problems in the related technology where the residual iron hole method of the blast furnace tapping main trough mostly relies on experience estimation, which has a large error and is prone to causing poor and unclean discharge of molten iron and slag from the tapping main trough, as well as damage to the trough body.
[0004] This application provides a residual iron eye positioning device, applied to the main tapping trough of a blast furnace, comprising:
[0005] The positioning bracket includes a connecting part, a first measuring part, and a second measuring part. The first measuring part and the second measuring part are located at both ends of the connecting part, and their bottom ends are flush. The first measuring part is located on the inner side of the main trench and can abut against the bottom surface of the main trench. The second measuring part is located on the outer side of the main trench to locate the position of the residual iron eye on the side wall of the main trench.
[0006] An adjusting bracket is disposed on the top surface of the main trench, and the positioning bracket is capable of moving up and down relative to the adjusting bracket.
[0007] In some embodiments, the first measuring unit and the second measuring unit are arranged vertically.
[0008] In some embodiments, the positioning bracket further includes a positioning part disposed at the bottom end of the second measuring part and abutting against the side wall of the main trench.
[0009] In some embodiments, the positioning part is a rod-shaped structure and is horizontally positioned.
[0010] In some embodiments, the connecting portion is horizontally arranged, the adjusting bracket is vertically arranged, and the adjusting bracket is movably inserted through the connecting portion.
[0011] In some embodiments, the adjusting bracket includes a base and an adjusting rod disposed on the base, the base being connected to the top surface of the main trench, and the adjusting rod being movably inserted through the connecting portion.
[0012] In some embodiments, the residual iron eye positioning device further includes a level calibrator disposed at the connecting portion.
[0013] In some embodiments, the first measuring part is made of a heat-resistant material.
[0014] In some embodiments, the connecting portion, the first measuring portion, and the second measuring portion are all rod-shaped structures.
[0015] In some embodiments, the connecting part, the first measuring part, and the second measuring part are integrally disposed.
[0016] The beneficial effects of this application are as follows:
[0017] In the residual iron hole positioning device provided in this application, since the bottom ends of the first measuring part and the second measuring part are flush, when the first measuring part abuts against the bottom surface of the main ditch on the inner side of the main ditch, the bottom end of the second measuring part also corresponds to the position of the bottom surface of the main ditch on the outer side of the main ditch. Thus, the position of the residual iron hole on the side wall of the main ditch can be accurately located according to the position of the bottom end of the second measuring part, and the residual iron hole can be opened from the outside to the inside on the main ditch. In this way, the position judgment error of the residual iron hole is small, which makes the discharge of molten iron and slag from the main ditch smoother, improves production efficiency, and reduces safety hazards. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model.
[0019] Figure 1 A schematic diagram of the main channel is shown.
[0020] Figure 2 It shows Figure 1 A sectional view.
[0021] Figure 3 A schematic diagram of the installation of the residual iron eye positioning device on the main trench is shown.
[0022] Figure 4 It shows Figure 3 A schematic diagram of the positioning device for the residual iron eye.
[0023] Explanation of reference numerals in the attached figures:
[0024] 10-Residual iron eye positioning device, 20-Main trench, 30-Residual iron eye, 110-Positioning bracket, 111-Connecting part, 112-First measuring part, 113-Second measuring part, 114-Positioning part, 120-Adjusting bracket, 121-Base, 122-Adjusting rod, 130-Level calibrator. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] It should be noted that all directional indications in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0029] Residual iron holes are temporary openings drilled at the bottom of the main trench to completely drain accumulated molten iron and slag, facilitating trench repair. Generally, the location of the opening must be determined on-site based on the actual erosion condition of the main trench. Then, using tools, the opening is made from the outside inwards on the sidewall of the main trench. The residual iron hole must be located at the lowest point of the main trench to ensure complete drainage of molten iron and slag. However, on the outer side of the main trench, the lowest point cannot be determined. Inaccurate hole placement can lead to incomplete drainage or damage to the trench structure. For example, if the location is too high, the molten iron cannot be completely drained, affecting the repair quality; if it is too low, it may damage the bottom structure of the main trench, causing a safety accident.
[0030] Based on this, this application provides a residual iron hole positioning device, which can reduce the error in judging the position of residual iron holes, make the discharge of molten iron and slag from the main iron ditch smoother, improve production efficiency, and reduce safety hazards.
[0031] The embodiments of this application will now be described with reference to the accompanying drawings:
[0032] Please see Figures 1-4 This application provides a residual iron hole positioning device 10, applied to the main tapping trough 20 of a blast furnace. The residual iron hole positioning device 10 includes a positioning bracket 110 and an adjusting bracket 120. The positioning bracket 110 includes a connecting part 111, a first measuring part 112, and a second measuring part 113. The first measuring part 112 and the second measuring part 113 are respectively disposed at both ends of the connecting part 111, and the bottom ends of the first measuring part 112 and the second measuring part 113 are flush. The first measuring part 112 is disposed on the inner side of the main trough 20 and can abut against the bottom surface of the main trough 20. The second measuring part 113 is disposed on the outer side of the main trough 20 to locate the position of the residual iron hole 30 on the side wall of the main trough 20. The adjusting bracket 120 is disposed on the top surface of the main trough 20, and the positioning bracket 110 can move up and down relative to the adjusting bracket 120.
[0033] The main trench 20 has sidewalls. When the residual iron eye positioning device 10 is in use, the connecting part 111 is located above the sidewalls, and part of the connecting part 111 is located inside the main trench 20 and part is located outside the main trench 20, so that the first measuring part 112 is located inside the main trench 20 and the second measuring part 113 is located outside the main trench 20. Since the positioning bracket 110 can move up and down relative to the adjusting bracket 120, that is, the adjusting bracket 120 can guide the up and down movement of the positioning bracket 110, the positioning bracket 110 can be moved up and down until the bottom end of the first measuring part 112 contacts the bottom surface of the main trench 20. At the same time, the second measuring part 113 moves synchronously. Since the bottom ends of the first measuring part 112 and the second measuring part 113 are flush, that is, the bottom ends of the first measuring part 112 and the second measuring part 113 are on the same plane, the bottom end of the second measuring part 113 is located on the outside of the main trench 20, corresponding to the bottom surface of the main trench 20. Therefore, the opening position of the residual iron eye 30 can be determined according to the corresponding position of the bottom end of the second measuring part 113 on the side wall.
[0034] Compared to related technologies where the opening position of the residual iron eye 30 is determined entirely by the experience of the operators, in this embodiment, the bottom end of the second measuring part 113 is positioned on the side wall as a reference to determine the opening position of the residual iron eye 30. This reduces the error in judging the position of the residual iron eye 30, making the discharge of molten iron and slag from the main iron trough 20 smoother, improving production efficiency, and reducing safety hazards.
[0035] For example, the first measuring part 112 and the second measuring part 113 can both be vertically arranged. Of course, the first measuring part 112 and the second measuring part 113 must always remain parallel, so as to ensure that the bottom ends of the first measuring part 112 and the second measuring part 113 are always on the same plane, thereby improving the positioning accuracy of the opening position of the residual iron eye 30. The connecting part 111, the first measuring part 112 and the second measuring part 113 are all rod-shaped structures, and the connecting part 111, the first measuring part 112 and the second measuring part 113 are integrally arranged to enhance the structural strength of the positioning bracket 110.
[0036] Since the first measuring part 112 is located inside the main trench 20 and needs to be immersed in high-temperature slag and molten iron, the first measuring part 112 can be made of heat-resistant material to reduce damage to the first measuring part 112 at high temperatures. Specifically, the first measuring part 112 can be made of high-temperature heat-resistant resin material.
[0037] In some embodiments, the positioning bracket 110 further includes a positioning part 114, which is disposed at the bottom end of the second measuring part 113 and abuts against the side wall of the main trench 20. Since the opening position of the residual iron eye 30 needs to be determined on the side wall of the main trench 20, and there is a gap between the second measuring part 113 and the side wall of the main trench 20, the positioning part 114 is provided at the bottom end of the second measuring part 113. The positioning part 114 directly abuts against the side wall of the main trench 20, thereby more intuitively displaying the opening position of the residual iron eye 30 and improving the positioning accuracy of the opening position of the residual iron eye 30.
[0038] For example, the positioning part 114 is a rod-shaped structure and is horizontally arranged. In this way, the abutment position of the positioning part 114 on the side wall of the main trench 20 is the center point of the residual iron eye 30.
[0039] Of course, in other embodiments, the positioning part 114 can be a sleeve structure, that is, the positioning part 114 includes a sleeve and a telescopic rod telescopically disposed in the sleeve. The sleeve is connected to the end of the second measuring part 113, and the telescopic rod abuts against the side wall of the main trench 20 by telescopic extension. In this way, even if the interval between the second measuring part 113 and the side wall of the main trench 20 changes each time measurement, it can be ensured that the positioning part 114 can abut against the side wall of the main trench 20.
[0040] In some embodiments, the connecting portion 111 is horizontally arranged, and the adjusting bracket 120 is vertically arranged, with the adjusting bracket 120 movably passing through the connecting portion 111. Since the first measuring portion 112 and the second measuring portion 113 are vertically arranged, the connecting portion 111, the first measuring portion 112, and the second measuring portion 113 together form a U-shaped structure. Because the adjusting bracket 120 is vertically arranged and movably passes through the connecting portion 111, it can guide the vertical movement of the positioning bracket 110. It should be noted that the connecting portion 111 must remain horizontal to ensure that the bottom ends of the first measuring portion 112 and the second measuring portion 113 remain flush, thereby improving the positioning accuracy of the opening position of the residual iron eye 30.
[0041] Specifically, the adjusting bracket 120 includes a base 121 and an adjusting rod 122 disposed on the base 121. The base 121 is connected to the top surface of the main trench 20, so that the adjusting bracket 120 is installed stably on the main trench 20. The adjusting rod 122 is movably inserted through the connecting part 111 and is vertically arranged to guide the up and down movement of the positioning bracket 110.
[0042] In some embodiments, the residual iron eye positioning device 10 further includes a level calibrator 130, which is disposed on the connecting part 111. In this way, the positioning bracket 110 can be adjusted by the level calibrator 130 so that the connecting part 111 always remains horizontal, thereby improving the positioning accuracy of the opening position of the residual iron eye 30.
[0043] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.
[0044] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A residual iron eye positioning device, applied to the main tapping trough of a blast furnace, characterized in that, include: The positioning bracket includes a connecting part, a first measuring part, and a second measuring part. The first measuring part and the second measuring part are located at both ends of the connecting part, and their bottom ends are flush. The first measuring part is located on the inner side of the main trench and can abut against the bottom surface of the main trench. The second measuring part is located on the outer side of the main trench to locate the position of the residual iron eye on the side wall of the main trench. An adjusting bracket is disposed on the top surface of the main trench, and the positioning bracket is capable of moving up and down relative to the adjusting bracket.
2. The residual iron eye positioning device according to claim 1, characterized in that, The first measuring unit and the second measuring unit are arranged vertically.
3. The residual iron eye positioning device according to claim 2, characterized in that, The positioning bracket further includes a positioning part, which is disposed at the bottom end of the second measuring part and abuts against the side wall of the main trench.
4. The residual iron eye positioning device according to claim 3, characterized in that, The positioning part is a rod-shaped structure and is horizontally positioned.
5. The residual iron eye positioning device according to claim 2, characterized in that, The connecting part is horizontally arranged, the adjusting bracket is vertically arranged, and the adjusting bracket is movably inserted through the connecting part.
6. The residual iron eye positioning device according to claim 5, characterized in that, The adjusting bracket includes a base and an adjusting rod disposed on the base. The base is connected to the top surface of the main trench, and the adjusting rod is movably inserted through the connecting part.
7. The residual iron eye positioning device according to claim 5, characterized in that, The residual iron eye positioning device also includes a horizontal calibrator, which is disposed at the connecting part.
8. The residual iron eye positioning device according to any one of claims 1-7, characterized in that, The first measuring part is made of heat-resistant material.
9. The residual iron eye positioning device according to any one of claims 1-7, characterized in that, The connecting part, the first measuring part, and the second measuring part are all rod-shaped structures.
10. The residual iron eye positioning device according to any one of claims 1-7, characterized in that, The connecting part, the first measuring part, and the second measuring part are integrally formed.