Molten steel sampling tool
By placing the quartz pipe vertically in the molten steel sampling tooling and installing a limit baffle, the problems of increasing the diameter of the sand head and material loss in the prior art are solved, and the effect of reducing costs and extending the life of the equipment is achieved.
Patent Information
- Application Number
- CN202421621380.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-10
AI Technical Summary
While improving the sampling efficiency, the existing molten steel sampling tooling increases the diameter of the sand head and increases the material loss. It also requires crushing treatment after sampling, which increases the loss of the equipment.
By placing the quartz tube vertically inside the sand head and installing a limit baffle at the front end of the sand head, the limit baffle limit limits the position of the quartz tube to avoid the problem of the quartz tube slipping out after the sealing cover melts. At the same time, the sealing plate blocks one end of the sand head to reduce the flow of steel to the inside of the connection between the movable sleeve and the tie rod.
The diameter of the sand head is reduced, the cost of the sand head is reduced, the material loss is reduced, and the service life of the equipment is improved.
Smart Images
Figure CN222926448U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molten steel sampling equipment, in particular to a molten steel sampling tooling. Background Technique
[0002] In the process of steel manufacturing, different materials are usually added to the raw iron. At the same time, for the convenience of molten steel mixing, the steel materials are generally melted into a liquid state. In order to observe the material properties inside the molten steel in a timely manner, it is necessary to sample the molten steel and use a detection structure to detect the material content inside the molten steel.
[0003] In order to improve the sampling efficiency of molten steel, in the prior art, a quartz tube is placed inside a sand head, and the sand head is placed horizontally. After the sand head is placed inside the molten steel, the molten steel enters the inside of the quartz tube. When the high-temperature molten steel contacts the low-temperature quartz tube, the molten steel can solidify inside the quartz tube. At the same time, after the sand head is taken out and the sand head is broken, the sample can be taken out. However, when the quartz tube is placed horizontally inside the sand head, in order to ensure the sampling content of the molten steel, the length of the quartz tube needs to be increased. When the length of the quartz tube increases, the overall diameter of the sand head increases, resulting in an increase in the consumed materials. Moreover, the sand head needs to be broken after sampling, increasing the material loss. For this reason, we propose a molten steel sampling tooling. Content of the Utility Model
[0004] Aiming at the deficiencies of the existing molten steel sampling tooling, the utility model provides a molten steel sampling tooling, which has the advantages of vertically placing the quartz tube inside the sand head, installing the sand head inside the movable sleeve, blocking one end of the sand head with a sealing plate, placing the sand head inside the molten steel, and solidifying the molten steel inside the quartz tube, so that the sample can be taken out. It can reduce the diameter of the sand head, thereby reducing the preparation cost of the sand head, and solves the problems raised in the above background technique.
[0005] The utility model provides the following technical scheme: a molten steel sampling tooling, including a movable sleeve, a pull rod is movably sleeved inside one end of the movable sleeve, one end of the pull rod is fixedly connected with an inner limit sleeve, an installation seat is installed inside the inner limit sleeve, a sealing plate is movably sleeved inside one side of the installation seat, one end of the movable sleeve is sleeved with a sand head, a quartz tube is installed inside the sand head, and a second positioning groove is opened at the other end of the sand head.
[0006] Preferably, anti-slip grooves are opened both inside the movable sleeve and outside the pull rod, and the movable sleeve is sleeved outside the connection part of the pull rod and the sand head.
[0007] Preferably, a groove is opened inside the installation seat. At the same time, one end of the sealing plate is sleeved inside the front end of the installation seat, and the other end of the sealing plate is sleeved inside the second positioning groove.
[0008] Preferably, a limiting baffle is fixedly connected inside one side of the sand head, and the quartz tube is installed between the sand head and the limiting baffle.
[0009] Preferably, the quartz tube is parallel to the movable sleeve, and the diameters of the pull rod and the sand head are the same.
[0010] Preferably, a first positioning groove is formed outside one side of the sand head, a sealing cover is sleeved outside the first positioning groove, and the sealing cover is made of a fusible material.
[0011] Compared with the existing molten steel sampling tooling, the utility model has the following beneficial effects:
[0012] 1. In this molten steel sampling tooling, the quartz tube is vertically placed inside the sand head. According to different required sampling amounts, the sizes of the sand head and the quartz tube can be adjusted. Compared with the case where the quartz tube is placed horizontally, the volume required for the sand head increases. Thus, when sampling molten steel, material loss can be reduced, and at the same time, the regional efficiency can be improved.
[0013] 2. In this molten steel sampling tooling, a limiting baffle is installed at the front end of the sand head, and the limiting baffle limits the position of the quartz tube, avoiding the problem that the front end of the quartz tube cannot be limited and the quartz tube slides out after the sealing cover melts. Moreover, after the sand head is installed at the front end of the pull rod, the sealing plate blocks one end of the sand head, reducing the flow of molten steel into the inside of the connection between the movable sleeve and the pull rod, preventing the molten steel from solidifying inside the movable sleeve and the pull rod, and thus preventing the position of the movable sleeve outside the pull rod from being adjusted. Thus, the equipment can be recycled, and the service life of the equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 is a schematic cross-sectional view of the main structure of the utility model;
[0016] Figure 3 is a schematic diagram of the sand head structure of the utility model;
[0017] Figure 4 is a schematic side view of the sand head of the utility model;
[0018] Figure 5 is of the utility model Figure 2 enlarged schematic view of the structure at A in.
[0019] In the figure: 1, movable sleeve; 2, pull rod; 3, inner limiting sleeve; 4, mounting seat; 5, sealing plate; 6, sand head; 7, first positioning groove; 8, sealing cover; 9, limiting baffle; 10, quartz tube; 11, second positioning groove. Detailed implementation mode
[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , a molten steel sampling tooling, including a movable sleeve 1. A pull rod 2 is movably sleeved inside one end of the movable sleeve 1. One end of the pull rod 2 is fixedly connected to an inner limit sleeve 3. The inner limit sleeve 3 limits the position of the mounting seat 4. The mounting seat 4 is installed inside the inner limit sleeve 3. A sealing plate 5 is movably sleeved inside one side of the mounting seat 4. The sealing plate 5 blocks one end of the sand head 6. One end of the movable sleeve 1 is sleeved with the sand head 6. A quartz tube 10 is installed inside the sand head 6. The quartz tube 10 samples the molten steel. The quartz tube 10 is installed inside the sand head 6. A second positioning groove 11 is opened at the other end of the sand head 6. The second positioning groove 11 is installed in cooperation with the sealing plate 5 to prevent the molten steel from flowing out, resulting in the inability of the movable sleeve 1 to move outside the pull rod 2 after the molten steel solidifies.
[0022] Please refer to Figure 2 , anti-slip grooves are opened both inside the movable sleeve 1 and outside the pull rod 2. The movable sleeve 1 is sleeved outside the connection between the pull rod 2 and the sand head 6. By sleeving the movable sleeve 1 outside the connection between the pull rod 2 and the sand head 6 and adjusting the position of the movable sleeve 1 outside the pull rod 2 at the same time, when the movable sleeve 1 is controlled to deviate from the sand head 6, that is, the limitation outside the sand head 6 is reduced, the sand head 6 can be driven for disassembly treatment, improving the convenience of installation and disassembly of the sand head 6.
[0023] Please refer to Figure 5 , a groove is opened inside the mounting seat 4. At the same time, one end of the sealing plate 5 is sleeved inside the front end of the mounting seat 4, and the other end of the sealing plate 5 is sleeved inside the second positioning groove 11. By arranging the mounting seat 4 inside one end of the inner limit sleeve 3, the inner limit sleeve 3 can limit the position of the mounting seat 4, and the sealing plate 5 is sleeved inside the mounting seat 4. The sealing plate 5 can block the rear end of the sand head 6 to prevent the molten steel from flowing out of the inside of the sand head 6. At the same time, when the sand head 6 is taken out from inside the movable sleeve 1, it is prevented that the molten steel flows to between the movable sleeve 1 and the sand head 6. At the same time, after the molten steel solidifies, the solidified molten steel fixes the position between the movable sleeve 1 and the sand head 6, resulting in difficulty in taking out the sand head 6 from inside the movable sleeve 1.
[0024] Please refer to Figure 2 , a limit baffle 9 is fixedly connected inside one side of the tundish head 6, and the quartz tube 10 is installed between the tundish head 6 and the limit baffle 9. By fixedly connecting the limit baffle 9 inside one side of the tundish head 6, and the quartz tube 10 is installed inside the tundish head 6, the position of the quartz tube 10 is limited by the limit baffle 9. At the same time, after the molten steel is transported into the limit baffle 9, the sealing cover 8 melts, and the solidified sample is prevented from slipping out of the tundish head 6.
[0025] Please refer to Figure 5 , the quartz tube 10 and the movable sleeve 1 are in a parallel state, and the diameter between the pull rod 2 and the tundish head 6 is the same. By the quartz tube 10 and the movable sleeve 1 being in a parallel state, and after the tundish head 6 is installed inside the movable sleeve 1, the size of the tundish head 6 can be adjusted. Correspondingly, the tundish head 6 maintains the same diameter as the pull rod 2, which can reduce the overall size of the tundish head 6 and save the cost of the tundish head 6.
[0026] Please refer to Figure 1 and Figure 3 , a first positioning groove 7 is opened outside one side of the tundish head 6, and a sealing cover 8 is sleeved outside the first positioning groove 7. The material of the sealing cover 8 is a meltable material. By opening the first positioning groove 7 at the front end of the tundish head 6, and at the same time sleeving the sealing cover 8 outside the first positioning groove 7, when the tundish head 6 is pushed into the molten steel, the sealing cover 8 can push the solid impurities on the surface of the molten steel to the outside, preventing the impurities from entering the inside of the quartz tube 10 and affecting the sampling effect. At the same time, the tundish head 6 is immersed in the molten steel, the molten steel enters the inside of the quartz tube 10, and with the change of temperature, the molten steel solidifies inside the quartz tube 10.
[0027] Working principle: Push the movable sleeve 1 to move towards one side of the pull rod 2, and at the same time sleeve the movable sleeve 1 outside the tundish head 6. The sealing plate 5 installed on one side of the movable sleeve 1 is fitted and installed inside the second positioning groove 11, that is, the sealing plate 5 blocks the inside of the tundish head 6. At the same time, after the device is vertically extended into the molten steel, and the sealing cover 8 pushes the impurities on the surface of the molten steel to move outward, preventing the impurities from entering the inside of the quartz tube 10. At the same time, the sealing cover 8 melts, the molten steel enters the inside of the quartz tube 10, the molten steel solidifies inside the quartz tube 10, and the sealing plate 5 blocks the molten steel entering the tundish head 6. Take out the movable sleeve 1 from the molten steel. After the molten steel cools down, pull the movable sleeve 1 backward, and the movable sleeve 1 deviates from the tundish head 6, then the tundish head 6 can be taken out, break the tundish head 6, and the molten steel sample can be taken out and the composition of the molten steel can be detected.
[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A molten steel sampling tool, comprising a movable sleeve (1), wherein an inner movable sleeve at one end of the movable sleeve (1) is connected to a pull rod (2), and an inner limit sleeve (3) is fixedly connected to one end of the pull rod (2), characterized in that: A mounting seat (4) is installed inside the inner limit sleeve (3), a sealing plate (5) is movably sleeved inside one side of the mounting seat (4), a sand head (6) is sleeved at one end of the movable sleeve (1), a quartz tube (10) is installed inside the sand head (6), and a second positioning groove (11) is provided at the other end of the sand head (6).
2. The molten steel sampling tool according to claim 1, characterized in that: Anti-slip grooves are provided inside the movable sleeve (1) and outside the pull rod (2), and the movable sleeve (1) is sleeved on the outside of the connection between the pull rod (2) and the sand head (6).
3. The molten steel sampling tool according to claim 1, characterized in that: A groove is provided inside the mounting seat (4), and one end of the sealing plate (5) is sleeved inside the front end of the mounting seat (4), while the other end of the sealing plate (5) is sleeved inside the second positioning groove (11).
4. The molten steel sampling tool according to claim 1, characterized in that: A limit baffle (9) is fixedly connected to the interior of one side of the sand head (6), and the quartz tube (10) is installed between the sand head (6) and the limit baffle (9).
5. The molten steel sampling tool according to claim 1, characterized in that: The quartz tube (10) and the movable sleeve (1) are in a parallel state, and the diameters of the pull rod (2) and the sand head (6) are the same.
6. The molten steel sampling tool according to claim 1, characterized in that: A first positioning groove (7) is provided on the outside of one side of the sand head (6), and a sealing cover (8) is sleeved on the outside of the first positioning groove (7), and the sealing cover (8) is made of a fusible material.