Electroslag steel ingot smelting equipment

Abstract

The utility model provides electroslag steel ingot smelting equipment which comprises a supporting frame, a smelting tank is movably clamped to one side of the supporting frame, a sleeve is fixedly connected to the middle of the inner bottom wall of the smelting tank, a clamping rod is movably clamped to the top end of the sleeve, a pull rod is fixedly connected to the top end of the clamping rod, a filter disc is in threaded connection with the bottom end of the pull rod, and a separation hole is formed in the upper surface of the filter disc. And the position, located above the filter disc, of the bottom end of the pull rod is fixedly connected with an abutting piece, the outer arc face of the sleeve is fixedly connected with a flow guiding piece, and the top end of the smelting tank is movably connected with a tank cover in a clamped mode. Therefore, the quality of the metal liquid is effectively improved, the quality of subsequent electroslag steel is effectively guaranteed, and the problem that in the prior art, some impurities and residues are generated after metal blocks are dissolved and fused in the liquid, and consequently the purity of a metal finished product is affected is solved.

Description

Technical Field

[0001] The utility model relates to the field of electroslag smelting, in particular to electroslag steel ingot smelting equipment. Background Art

[0002] Electroslag smelting is a smelting method that uses the resistance heat generated when electric current passes through molten slag as a heat source. Its main purpose is to purify the metal and obtain a clean, uniform and dense steel ingot. The steel smelted by electroslag has high purity, low sulfur content, few non-metallic inclusions, smooth surface, clean, uniform and dense ingots, uniform metallographic structure and chemical composition. The cast mechanical properties of electroslag steel can reach or exceed the indicators of forgings of the same steel grade; the quality of electroslag steel ingots depends on a reasonable electroslag smelting process and the equipment conditions that ensure the electroslag process.

[0003] However, in the prior art, after the metal block is dissolved, some debris and residue will be generated, which will be integrated into the liquid and affect the purity of the metal product. In addition, since the electrodes are arranged inside the device, it is not easy to observe the use of the electrodes and it is not easy to replace them when their service life is reached.

[0004] Therefore, an electroslag ingot smelting device is provided to solve the above problems. Summary of the invention

[0005] The purpose of the utility model is to address the problem that after the metal block is dissolved, some debris and residue will be generated and merged into the liquid, thereby affecting the purity of the metal product. Since the electrode is arranged inside the device, it is difficult to observe the use of the electrode and it is difficult to replace it when the service life is reached.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] An electroslag ingot smelting equipment comprises a support frame, a smelting pot is movably connected to one side of the support frame, a sleeve is fixedly connected to the middle of the inner bottom wall of the smelting pot, a clamping rod is movably connected to the top of the sleeve, a pull rod is fixedly connected to the top of the clamping rod, a filter disc is threadedly connected to the bottom end of the pull rod, a separation hole is provided on the upper surface of the filter disc, a resistance piece is fixedly connected to the bottom end of the pull rod located above the filter disc, a guide piece is fixedly connected to the outer arc surface of the sleeve, a tank cover is movably connected to the top of the smelting pot, and a conduit connected to the outer arc surface of the smelting pot is fixedly connected to the bottom.

[0008] As a preferred technical solution of the present application, one end of the support frame is fixedly connected to a vertical plate, the top of one side surface of the vertical plate is fixedly connected to a placement plate, and an electric push rod is fixedly installed on the upper surface of the support frame. When in use, the pull rod is pushed up by the traction of the electric push rod, thereby opening and lifting the tank cover and the filter plate.

[0009] As a preferred technical solution of the present application, the top end of the pull rod is clamped through the tank cover and the placement plate, the middle part of the upper surface of the placement plate is fixedly connected with a clamping piece, the top end of the clamping piece is movably clamped with a telescopic rod, and both ends of the telescopic rod are slidably connected with telescopic joints. When in use, the normal lifting and falling of the pull rod is ensured by the extension and contraction of the telescopic joint on the telescopic rod, thereby facilitating the staff to open the tank cover to replace the filter plate.

[0010] As a preferred technical solution of the present application, the end of the telescopic joint at one end of the telescopic rod is clamped with the top end of the pull rod, and a rotating shaft is provided at the clamping point, and the end of the telescopic joint at the other end of the telescopic rod is movably clamped with a connecting rod, and a rotating shaft is provided at the clamping point.

[0011] As a preferred technical solution of the present application, a through groove is provided on one side of the upper surface of the placement plate, and the bottom end of the connecting rod is connected to the telescopic rod of the electric push rod.

[0012] As a preferred technical solution of the present application, electrodes are penetrated and clamped on both sides of the upper surface of the can cover, the top of the electrode is penetrated and clamped on the placement plate, and the outer arc surface of the top of the electrode is fixedly connected with a conductive sheet, which is connected to the placement plate by bolts. When in use, the staff can remove the conductive sheet by removing the bolts, thereby facilitating the replacement of the electrode, and the status of the electrode can be observed each time the can is opened.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the scheme of this application:

[0015] 1. The metal is dissolved and the impurities and residues are screened by the sleeve rod, clamp rod, pull rod, filter plate, resistance piece and guide piece, so that the quality of the metal liquid is effectively improved, thereby effectively ensuring the quality of the subsequent electroslag steel, and solving the problem that some impurities and residues will be generated after the metal block is dissolved, and will be integrated into the liquid, thereby affecting the purity of the metal product;

[0016] 2. By setting up the placement plate, electrode and conductive sheet, the staff can effectively observe the usage of the electrode and replace the electrode in time every time the material is added for electroslag smelting operation, which solves the problem of the prior art that the electrode is set inside the device, so it is difficult to observe the usage of the electrode and it is difficult to replace it when the service life is reached. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structural diagram of the electroslag ingot smelting equipment provided in this application;

[0018] Figure 2Schematic diagram of the opening structure of the ladle cover of the electroslag ingot melting equipment provided by this application;

[0019] Figure 3 Schematic cross-sectional view of the melting ladle of the electroslag ingot melting equipment provided by this application;

[0020] Figure 4 Schematic disassembled view of the sleeve and the clamping rod of the electroslag ingot melting equipment provided by this application;

[0021] Figure 5 Schematic disassembled view of the conductive sheet and the placement plate of the electroslag ingot melting equipment provided by this application.

[0022] Labels in the figure:

[0023] 1. Support frame; 2. Melting ladle; 3. Sleeve; 4. Clamping rod; 5. Pull rod; 6. Filter plate; 7. Separation hole; 8. Contact part; 9. Flow guide part; 10. Ladle cover; 11. Conduit; 12. Vertical plate; 13. Placement plate; 14. Electric push rod; 15. Telescopic rod; 16. Expansion joint; 17. Connecting rod; 18. Electrode; 19. Conductive sheet; 20. Clamping part. Detailed implementation manners

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0025] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model claimed, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0026] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0027] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] See also Figures 1 - 5 The present application provides an electroslag ingot smelting device, comprising a support frame 1, a smelting pot 2 is movably connected to one side of the support frame 1, a sleeve 3 is fixedly connected to the middle of the inner bottom wall of the smelting pot 2, a clamping rod 4 is movably connected to the top of the sleeve 3, a pull rod 5 is fixedly connected to the top of the clamping rod 4, a filter disc 6 is threadedly connected to the bottom end of the pull rod 5, a separation hole 7 is opened on the upper surface of the filter disc 6, a resistance member 8 is fixedly connected to the bottom end of the pull rod 5 located above the filter disc 6, a flow guide member 9 is fixedly connected to the outer arc surface of the sleeve 3, a tank cover 10 is movably connected to the top of the smelting pot 2, and a conduit 11 connected to the outer arc surface of the smelting pot 2 is fixedly connected to the bottom of the outer arc surface of the smelting pot 2.

[0030] One end of the support frame 1 is fixedly connected with a vertical plate 12, and the top of one side surface of the vertical plate 12 is fixedly connected with a placement plate 13. An electric push rod 14 is fixedly installed on the upper surface of the support frame 1. When in use, the pull rod 5 is pulled up by the electric push rod 14, so that the tank cover 10 and the filter disc 6 are opened and lifted. The top of the pull rod 5 passes through and is connected to the tank cover 10 and the placement plate 13. The middle part of the upper surface of the placement plate 13 is fixedly connected with a clamping piece 20, and the top of the clamping piece 20 is movably connected with a telescopic rod 15. Both ends of the telescopic rod 15 are slidably connected with telescopic joints 16. When in use, the telescopic joint 16 is extended and retracted on the telescopic rod 15 to ensure the normal lifting and falling of the pull rod 5, so that it is convenient for the staff to open the tank cover 10 to replace the filter disc 6. The end of the telescopic joint 16 at one end of the rod 15 is clamped with the top of the pull rod 5, and a rotating shaft is provided at the clamping position. The end of the telescopic joint 16 at the other end of the telescopic rod 15 is movably clamped with a connecting rod 17, and a rotating shaft is provided at the clamping position. A through groove is opened on one side of the upper surface of the placement plate 13, and the bottom end of the connecting rod 17 is connected to the telescopic rod of the electric push rod 14. Electrodes 18 are penetrated and clamped on both sides of the upper surface of the tank cover 10. The top of the electrode 18 is penetrated and clamped on the placement plate 13. The outer arc surface of the top of the electrode 18 is fixedly connected with a conductive sheet 19, which is connected to the placement plate 13 by bolts. When in use, the staff can disassemble the conductive sheet 19 by removing the bolts, thereby facilitating the replacement of the electrode 18, and the status of the electrode 18 can be observed each time the tank is opened.

[0031] Specifically, when this electroslag ingot melting equipment is in use:

[0032] The staff rotates the bolt to release the fixation of the conductive sheet 19, then extracts the electrode 18, and starts the electric push rod 14. At this time, the output end of the electric push rod 14 drives the connecting rod 17 to move, then pulls out the expansion joint 16, and makes one end of the telescopic rod 15 drop. At this time, the other end of the telescopic rod 15 rises, thus driving the pull rod 5 to rise, and then making the contact member 8 contact with the inner top wall of the tank cover 10, thereby driving the tank cover 10 to rise until it contacts the lower surface of the placement plate 13 at the top of the tank cover 10. Then the staff can place the raw materials, and then start the electric push rod 14, which can drive the connecting rod 17 to move and then pull the expansion joint 16 to drop, and pull the tank cover 10 to close. Then fix the electrode 18 again and energize it to carry out electroslag melting;

[0033] After the staff finishes electroslag melting, they can open the tank cover 10, disassemble and replace the filter disc 6, and observe the state of the electrode 18 for timely replacement after each opening of the tank cover 10.

[0034] The above embodiments are only used to illustrate the present invention rather than to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above various embodiments, the present invention is not limited to the above specific embodiments. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the invention are covered by the scope of the claims of the present invention.

Claims

1. An electroslag ingot melting device, comprising a support frame (1), characterized in that: A smelting tank (2) is movably connected to one side of the support frame (1); a sleeve (3) is fixedly connected to the middle of the inner bottom wall of the smelting tank (2); a clamping rod (4) is movably connected to the top of the sleeve (3); a pull rod (5) is fixedly connected to the top of the clamping rod (4); a filter disc (6) is threadedly connected to the bottom end of the pull rod (5); a separation hole (7) is provided on the upper surface of the filter disc (6); a resistance member (8) is fixedly connected to the bottom end of the pull rod (5) located above the filter disc (6); a flow guide member (9) is fixedly connected to the outer arc surface of the sleeve (3); a tank cover (10) is movably connected to the top of the smelting tank (2); and a conduit (11) connected to the smelting tank (2) is fixedly connected to the bottom of the outer arc surface.

2. The electroslag ingot melting equipment according to claim 1, characterized in that, One end of the support frame (1) is fixedly connected to a vertical plate (12), the top of one side surface of the vertical plate (12) is fixedly connected to a placement plate (13), and an electric push rod (14) is fixedly installed on the upper surface of the support frame (1).

3. The electroslag ingot melting equipment according to claim 2, characterized in that, The top end of the pull rod (5) is inserted through and clamped on the tank cover (10) and the placement plate (13); a clamping piece (20) is fixedly connected to the middle of the upper surface of the placement plate (13); a telescopic rod (15) is movably clamped on the top end of the clamping piece (20); and telescopic joints (16) are slidably connected to both ends of the telescopic rod (15).

4. An electroslag ingot melting device according to claim 3, characterized in that, The end of the telescopic joint (16) at one end of the telescopic rod (15) is clamped with the top end of the pull rod (5), and a rotating shaft is provided at the clamping point; the end of the telescopic joint (16) at the other end of the telescopic rod (15) is movably clamped with a connecting rod (17), and a rotating shaft is provided at the clamping point.

5. An electroslag ingot melting device according to claim 4, characterized in that, A through groove is provided on one side of the upper surface of the placement plate (13), and the bottom end of the connecting rod (17) is connected to the telescopic rod of the electric push rod (14).

6. The electroslag ingot melting equipment according to claim 3, characterized in that, Electrodes (18) are inserted and clamped on both sides of the upper surface of the can cover (10), the top of the electrode (18) is inserted and clamped on the placement plate (13), and the outer arc surface of the top of the electrode (18) is fixedly connected with a conductive sheet (19), and the conductive sheet (19) is connected to the placement plate (13) by bolts.

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