Electroslag remelting crystallizer for high-speed steel production

Abstract

The utility model discloses an electroslag remelting crystallizer for high-speed steel production, relates to the technical field of high-speed steel production, and aims to solve the problems that different areas cannot be cooled during cooling, the cooling effect is poor and the cooling is not comprehensive enough in the prior art. The lower end of the supporting table is provided with supporting legs, the supporting legs are connected with the supporting table in a welded mode, the upper end of the supporting table is provided with a remelting crystallization container, the remelting crystallization container is fixedly connected with the supporting table, the first interlayer is arranged at the upper end of an inner cavity of the remelting crystallization container, and the second interlayer is arranged at the lower end of the inner cavity of the remelting crystallization container. A second interlayer is arranged at the lower end of the first interlayer, the first interlayer is not communicated with the second interlayer, a first temperature sensor is installed at the end, close to the outer wall of the remelting crystallization container, of one side in the first interlayer, and the first temperature sensor is fixedly connected with the remelting crystallization container; a second temperature sensor is mounted at one end, close to the outer wall of the remelting crystallization container, of one side in the second interlayer.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed steel production, in particular to an electroslag remelting crystallizer used for high-speed steel production. Background Art

[0002] Electroslag remelting steel is a method of smelting using 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 remelted by electroslag has high purity, low sulfur content, few non-metallic inclusions, smooth ingot surface, clean, uniform and dense, 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 remelting process and the equipment conditions that ensure the electroslag process.

[0003] For example, the announcement number CN203411593U is called an electroslag remelting crystallizer, which includes a cylinder, an outer cylinder, a cooling water layer between the inner cylinder and the outer cylinder, an inlet pipe arranged at the lower part of the outer cylinder, a water outlet pipe arranged at the upper part of the outer cylinder, and an upper flange and a lower flange welded together with the inner and outer cylinders. The upper part of the outer cylinder is also provided with a reinforced cooling water trough.

[0004] During the use of the above device, it is not possible to cool different areas during cooling, the cooling effect is poor, and the cooling is not comprehensive enough. Therefore, we propose an electroslag remelting crystallizer for high-speed steel production to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an electroslag remelting crystallizer for high-speed steel production, so as to solve the problems in the prior art mentioned above that different areas cannot be cooled during cooling, the cooling effect is poor, and the cooling is not comprehensive enough.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electroslag remelting crystallizer for high-speed steel production, a support table, a support leg is provided at the lower end of the support table, and the support leg is welded to the support table, a remelting crystallization container is provided at the upper end of the support table, and the remelting crystallization container is fixedly connected to the support table.

[0007] Also includes:

[0008] A first interlayer is arranged at the upper end of the inner cavity of the remelting crystallization container, a second interlayer is arranged at the lower end of the first interlayer, and the first interlayer is not connected to the second interlayer, a first temperature sensor is installed at one end of the inner side of the first interlayer close to the outer wall of the remelting crystallization container, and the first temperature sensor is fixedly connected to the remelting crystallization container, a second temperature sensor is installed at one end of the inner side of the second interlayer close to the outer wall of the remelting crystallization container, and the second temperature sensor is fixedly connected to the remelting crystallization container.

[0009] Preferably, a bottom plate is provided at the bottom of the supporting leg, and the bottom plate is fixedly connected to the supporting leg, and a cross beam is provided on the inner side of the supporting leg, and the cross beam is fixedly connected to the supporting leg.

[0010] Preferably, a chassis is provided at the upper end of the support platform at the lower end of the outer surface of the remelting crystallization container, and the chassis is fixedly connected to the remelting crystallization container. A first connecting flange is provided at the upper end of the outer surface of the remelting crystallization container, and the first connecting flange is fixedly connected to the remelting crystallization container.

[0011] Preferably, a protective barrel is provided at the upper end of the remelting crystallization container, a second connecting flange is provided at the edge of the bottom end of the protective barrel, and the second connecting flange is fixedly connected to the protective barrel, a plurality of bolts are threadedly connected on the second connecting flange, and the bolts pass through the second connecting flange and are threadedly connected to the first connecting flange.

[0012] Preferably, a cover plate is provided at the upper end of the protective barrel, and the cover plate is connected to the protective barrel by threads, an electrode is provided in the middle of the interior of the protective barrel, and the electrode is fixedly connected to the protective barrel.

[0013] Preferably, a first water inlet is provided on one side of the remelting crystallization container, and the first water inlet is fixedly connected to the remelting crystallization container, a second water inlet is provided at the lower end of the first water inlet, and the second water inlet is fixedly connected to the remelting crystallization container, a first water outlet is provided on the other side of the remelting crystallization container, and the first water outlet is fixedly connected to the remelting crystallization container, a second water outlet is provided at the lower end of the first water outlet, and the second water outlet is fixedly connected to the remelting crystallization container.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model has the advantages of stable structure, reasonable design and safe use. Through the cooperation of the specially designed first interlayer, the second interlayer, the first temperature sensor and the second temperature sensor, the arranged first temperature sensor and the second temperature sensor can display the liquid state and temperature of different sections of the remelting crystallization container in real time on the outside, so that condensate of different temperatures is poured into the first water inlet and the second water inlet, which greatly improves the uniformity and stability of the crystallization of liquid steel, improves the product quality, realizes the cooling treatment of the electroslag remelting crystallizer, and solves the disadvantages of poor cooling effect and insufficient cooling of traditional equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 Another perspective view of the present utility model;

[0019] Figure 4 It is a top view of the overall structure of the utility model;

[0020] In the figure: 1. support platform; 2. support leg; 3. bottom plate; 4. crossbeam; 5. remelting crystallization container; 6. chassis; 7. first connecting flange; 8. protective barrel; 9. second connecting flange; 10. bolt; 11. cover plate; 12. electrode; 13. first interlayer; 14. second interlayer; 15. first water inlet; 16. first water outlet; 17. second water inlet; 18. second water outlet; 19. first temperature sensor; 20. second temperature sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: an electroslag remelting crystallizer for high-speed steel production, a support platform 1, a support leg 2 is provided at the lower end of the support platform 1, and the support leg 2 is welded to the support platform 1, a remelting crystallization container 5 is provided at the upper end of the support platform 1, and the remelting crystallization container 5 is fixedly connected to the support platform 1.

[0023] Also includes:

[0024] A first interlayer 13 is arranged at the upper end of the inner cavity of the remelting crystallization container 5, a second interlayer 14 is arranged at the lower end of the first interlayer 13, and the first interlayer 13 is not connected to the second interlayer 14, a first temperature sensor 19 is installed at one end of the inner side of the first interlayer 13 close to the outer wall of the remelting crystallization container 5, and the first temperature sensor 19 is fixedly connected to the remelting crystallization container 5, a second temperature sensor 20 is installed at one end of the inner side of the second interlayer 14 close to the outer wall of the remelting crystallization container 5, and the second temperature sensor 20 is fixedly connected to the remelting crystallization container 5.

[0025] See also Figure 2 A bottom plate 3 is provided at the bottom of the supporting leg 2, and the bottom plate 3 is fixedly connected to the supporting leg 2. A cross beam 4 is provided on the inner side of the supporting leg 2, and the cross beam 4 is fixedly connected to the supporting leg 2. When this product is in use, the force can be evenly distributed to various parts of the building to avoid local overload. This balanced force distribution ensures the stability of the building structure and can effectively prevent the building from being damaged due to concentrated loads.

[0026] See also Figure 2 The lower end of the outer surface of the remelting crystallization container 5 is located at the upper end of the support platform 1 and a chassis 6 is provided, and the chassis 6 is fixedly connected to the remelting crystallization container 5. The upper end of the outer surface of the remelting crystallization container 5 is provided with a first connecting flange 7, and the first connecting flange 7 is fixedly connected to the remelting crystallization container 5. When this product is in use, the chassis 6 can make the equipment more stable during operation.

[0027] See also Figure 2 A protective barrel 8 is provided at the upper end of the remelting crystallization container 5, and a second connecting flange 9 is provided at the edge of the bottom end of the protective barrel 8, and the second connecting flange 9 is fixedly connected to the protective barrel 8, and a plurality of bolts 10 are threadedly connected to the second connecting flange 9, and the bolts 10 penetrate the second connecting flange 9 and are threadedly connected to the first connecting flange 7. When this product is in use, the bolts 10 can fix the first connecting flange 7 and the second connecting flange 9 together.

[0028] See also Figure 2 A cover plate 11 is provided at the upper end of the protective barrel 8, and the cover plate 11 is connected to the protective barrel 8 by threads. An electrode 12 is provided in the middle of the protective barrel 8, and the electrode 12 is fixedly connected to the protective barrel 8. When this product is in use, the electrode 12 can be used as a heat source in the remelting process.

[0029] See also Figure 2A first water inlet 15 is provided on one side of the remelting crystallization container 5, and the first water inlet 15 is fixedly connected to the remelting crystallization container 5, a second water inlet 17 is provided at the lower end of the first water inlet 15, and the second water inlet 17 is fixedly connected to the remelting crystallization container 5, a first water outlet 16 is provided on the other side of the remelting crystallization container 5, and the first water outlet 16 is fixedly connected to the remelting crystallization container 5, a second water outlet 18 is provided at the lower end of the first water outlet 16, and the second water outlet 18 is fixedly connected to the remelting crystallization container 5. When this product is in use, the first water inlet 15 and the second water inlet 17 can allow condensate to enter the first interlayer 13 and the second interlayer 14 in the inner cavity of the remelting crystallization container 5.

[0030] Working principle: When in use, first place the second connecting flange 9 at the bottom of the protective barrel 8 and the first connecting flange 7 at the top of the remelting crystallization container 5, and then fix them together with the bolts 10, screw the cover plate 11 on the top of the protective barrel 8, and then pressurize the interior of the remelting crystallization container 5 for crystallization. The first temperature sensor 19 in the first interlayer 13 arranged in the inner cavity of the remelting crystallization container 5 will monitor the temperature in the first interlayer 13 in real time and transmit it to the outside. The molten steel in the cylinder corresponding to the first interlayer 13 is in a molten state, so coolant is poured into the first water inlet 15 to make its temperature lower than the coolant in the second interlayer 14. The molten steel in the cylinder corresponding to the second interlayer 14 is in a semi-solidified state, so coolant is poured into the second water inlet 17 to make its temperature higher than the coolant in the first interlayer 13, so that the crystal structure of the molten steel is uniform and stable, thereby improving product quality.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An electroslag remelting crystallizer for high-speed steel production, comprising a support platform (1), wherein a support leg (2) is arranged at the lower end of the support platform (1), and the support leg (2) is connected to the support platform (1) by welding, and a remelting crystallization container (5) is arranged at the upper end of the support platform (1), and the remelting crystallization container (5) is fixedly connected to the support platform (1); Features: Also includes: A first interlayer (13) is arranged at the upper end of the inner cavity of the remelting crystallization container (5); a second interlayer (14) is arranged at the lower end of the first interlayer (13), and the first interlayer (13) is not connected to the second interlayer (14); a first temperature sensor (19) is installed at one end of the inner side of the first interlayer (13) close to the outer wall of the remelting crystallization container (5), and the first temperature sensor (19) is fixedly connected to the remelting crystallization container (5); a second temperature sensor (20) is installed at one end of the inner side of the second interlayer (14) close to the outer wall of the remelting crystallization container (5), and the second temperature sensor (20) is fixedly connected to the remelting crystallization container (5).

2. The electroslag remelting crystallizer for high speed steel production according to claim 1, characterized in that: A bottom plate (3) is provided at the bottom of the supporting leg (2), and the bottom plate (3) is fixedly connected to the supporting leg (2); a cross beam (4) is provided on the inner side of the supporting leg (2), and the cross beam (4) is fixedly connected to the supporting leg (2).

3. The electroslag remelting crystallizer for high speed steel production according to claim 1, characterized in that: The lower end of the outer surface of the remelting crystallization container (5) is located at the upper end of the support platform (1) and is provided with a base plate (6), and the base plate (6) is fixedly connected to the remelting crystallization container (5); the upper end of the outer surface of the remelting crystallization container (5) is provided with a first connecting flange (7), and the first connecting flange (7) is fixedly connected to the remelting crystallization container (5).

4. The electroslag remelting crystallizer for high speed steel production according to claim 1, characterized in that: A protective barrel (8) is provided at the upper end of the remelting crystallization container (5), a second connecting flange (9) is provided at the edge of the bottom end of the protective barrel (8), and the second connecting flange (9) is fixedly connected to the protective barrel (8), a plurality of bolts (10) are threadedly connected to the second connecting flange (9), and the bolts (10) pass through the second connecting flange (9) and are threadedly connected to the first connecting flange (7).

5. The electroslag remelting crystallizer for high speed steel production according to claim 4, characterized in that: A cover plate (11) is provided at the upper end of the protective barrel (8), and the cover plate (11) is connected to the protective barrel (8) by means of threads; an electrode (12) is provided in the middle of the protective barrel (8), and the electrode (12) is fixedly connected to the protective barrel (8).

6. The electroslag remelting crystallizer for high speed steel production according to claim 1, characterized in that: A first water inlet (15) is provided on one side of the remelting crystallization container (5), and the first water inlet (15) is fixedly connected to the remelting crystallization container (5); a second water inlet (17) is provided at the lower end of the first water inlet (15), and the second water inlet (17) is fixedly connected to the remelting crystallization container (5); a first water outlet (16) is provided on the other side of the remelting crystallization container (5), and the first water outlet (16) is fixedly connected to the remelting crystallization container (5); a second water outlet (18) is provided at the lower end of the first water outlet (16), and the second water outlet (18) is fixedly connected to the remelting crystallization container (5).

Images