Electroslag furnace capable of achieving water-cooling circulation cooling

Abstract

The utility model relates to the technical field of electroslag furnaces, and discloses an electroslag furnace capable of water-cooling circulation cooling, which comprises an electric furnace for containing raw materials, a consumable electrode is arranged on the inner wall of the electric furnace, the bottom of the electric furnace is fixedly connected with a slag bath, and the bottom of the slag bath is fixedly connected with a liquid hopper; the device comprises a bottom support for bearing, the top of the bottom support is fixedly connected with a metal molten pool, the outer wall of the metal molten pool is fixedly connected with a water tank for containing water, the inner wall of the water tank is connected with four stirring rods through a transmission assembly so that the four stirring rods can synchronously rotate, and the bottom of the front side and the bottom of the right side of the water tank are each provided with a connecting pipeline. According to the cooling device, the four stirring rods are sequentially distributed, when the water suction pump pumps out hot water in the water tank and then injects cold water into the water tank to cool metal molten drops, the four stirring rods rotate to stir the cold water and the hot water in the water tank, so that the cold water and the hot water are mixed more uniformly, and cooling of electroslag ingots is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of electroslag furnaces, in particular to an electroslag furnace capable of cooling by water-cooled circulation. Background Art

[0002] The slag furnace is an essential production equipment in special steel plants. Due to the inclusion removal effect of the slag liquid and good crystallization conditions, electroslag remelted metal has good purity, a fine and uniform as-cast structure, no white spots and annual ring segregation, an extremely low sulfur content, and fine and dispersed inclusions. Therefore, electroslag remelting holds a monopoly position in the production of large and medium-sized forgings and module blanks, has an absolute advantage in high-quality molten pool steel, maraging steel, duplex steel pipe blanks, and electroslag steel for cold rolling rolls. Electroslag casting of special-shaped parts has its unique features, and the annual output of electroslag steel in China has reached hundreds of thousands of tons.

[0003] The existing water-cooling devices of electroslag furnaces directly cool by continuously pumping out the heated hot water and injecting cold water. The cold water and hot water are not well mixed, affecting the cooling effect of the electroslag ingot; at the same time, the impurities in the water also affect the water-cooling effect. In view of this technical problem, this application proposes an electroslag furnace capable of cooling by water-cooled circulation. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose an electroslag furnace capable of cooling by water-cooled circulation. Four stirring rods are distributed in sequence. When the water pump pumps out the hot water in the water tank and then injects cold water into the water tank to cool the metal droplets, the four stirring rods rotate to stir the cold water and hot water inside the water tank, making the cold and hot water mix more evenly and not affecting the cooling of the electroslag ingot.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An electroslag furnace capable of cooling by water-cooled circulation, comprising:

[0007] An electric furnace for holding raw materials, with a consumable electrode arranged on the inner wall of the electric furnace, a slag pool fixedly connected to the bottom of the electric furnace, and a liquid hopper fixedly connected to the bottom of the slag pool;

[0008] A bottom support for bearing weight, a metal melting pool is fixedly connected to the top of the bottom support, a water tank for holding water is fixedly connected to the outer wall of the metal melting pool, four stirring rods are connected to the inner wall of the water tank through a transmission assembly for synchronously rotating the four stirring rods, connecting pipes are arranged at the bottom of the front side and the right side of the water tank, a filter is inserted into the inner wall of the connecting pipe, a limiting groove is opened at the top of the connecting pipe, and the inner wall of the limiting groove is connected to the inner wall of the filter through a limiting assembly for fixing the filter. A water inlet pipe is threadedly connected to the front side of the outer wall of the front connecting pipe, a water pump is fixedly connected to the right end of the water inlet pipe, a drain pipe is fixedly connected to the output end of the water pump, a condensation box is fixedly connected to the right end of the drain pipe, a plurality of condensation pipes are arranged on the inner wall of the condensation box, an outlet pipe is fixedly connected to the right rear of the condensation box, and the rear end of the outlet pipe is fixedly connected to the right side of the right connecting pipe.

[0009] Further, the transmission assembly includes rotating worms fixedly connected to the left and right ends of the front and rear stirring rods. Rotating gears are fixedly connected to the front and rear ends of the left and right stirring rods. The rotating gears are meshed with the rotating worms. One end of the two rotating worms away from each other is rotatably connected to the inner wall of the water tank, and one side of the two rotating gears away from each other is rotatably connected to the inner wall of the water tank.

[0010] Further, a motor is fixedly connected to the top of the right side of the water tank, and the driving end of the motor is fixedly connected to the right end of the front right rotating worm.

[0011] Further, the limiting assembly includes a limiting plug slidably connected to the inner wall of the limiting groove. A spring is arranged inside the limiting groove, and the outer wall of the limiting plug is inserted into the inside of the filter.

[0012] Further, one end of the spring is fixedly connected to the bottom of the rear side of the limiting plug, and the other end of the spring is fixedly connected to the rear side inside the limiting groove.

[0013] Further, the bottom of the condensation box is fixedly connected to the front side of the top of the bottom support, and the bottom of the water pump is fixedly connected to the front side of the top of the bottom support.

[0014] Further, the metal melting pool is located below the liquid hopper, and the bottom of the water tank is fixedly connected to the top of the bottom support.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, through the four stirring rods distributed in sequence, when the water pump pumps out the hot water in the water tank and then injects cold water into the water tank to cool the metal droplets, the four stirring rods rotate to stir the cold water and hot water inside the water tank, making the cold and hot water mix more evenly and not affecting the cooling of the electroslag ingot.

[0017] 2. In the present utility model, the water flow in the water circulation is filtered by a filter. After long-term use, the limit insertion block is grasped and slid to release the restraint of the filter by the limit insertion block, and the filter is pulled out for cleaning, so as to avoid impurities in the water affecting the cooling efficiency in subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 FIG. 6 is a perspective view of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0019] Figure 2 FIG. 10 is a sectional view of the electric furnace of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0020] Figure 3 FIG. 14 is a schematic diagram of a stirring rod of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0021] Figure 4 FIG. 18 is a schematic diagram of a rotating worm of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0022] Figure 5 FIG. 22 is a schematic diagram of a condensing pipe of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0023] Figure 6 FIG. 26 is a schematic diagram of a spring of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model;

[0024] Figure 7 FIG. 30 is a schematic diagram of a filter of an electroslag furnace capable of water-cooled circulation cooling proposed by the present utility model.

[0025] Legend:

[0026] 1. Electric furnace; 2. Bottom support; 3. Slag pool; 4. Liquid hopper; 5. Consumable electrode; 6. Metal bath; 7. Water tank; 8. Water pump; 9. Condensing box; 10. Motor; 11. Stirring rod; 12. Rotating worm; 13. Rotating gear; 14. Water inlet pipe; 15. Drain pipe; 16. Condensing pipe; 17. Water outlet pipe; 18. Connecting pipe; 19. Limit insertion block; 20. Filter; 21. Spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] Refer to Figure 1 andFigure 2 , an embodiment provided by the present utility model: an electroslag furnace capable of cooling by water-cooled circulation, comprising;

[0029] An electric furnace 1 for containing raw materials, a consumable electrode 5 is arranged on the inner wall of the electric furnace 1, the bottom of the electric furnace 1 is fixedly connected with a slag pool 3, the bottom of the slag pool 3 is fixedly connected with a liquid hopper 4, a metal melting pool 6 is located below the liquid hopper 4, the bottom of the water tank 7 is fixedly connected with the top of the bottom support 2, and the molten metal droplets generated by melting pass through the slag pool 3 and drip into the metal melting pool 6;

[0030] Refer to Figure 3 and Figure 4 , a bottom support 2 for bearing weight, the top of the bottom support 2 is fixedly connected with a metal melting pool 6, the outer wall of the metal melting pool 6 is fixedly connected with a water tank 7 for containing water, the left and right ends of the front and rear stirring rods 11 are fixedly connected with rotating worms 12, the front and rear ends of the left and right stirring rods 11 are fixedly connected with rotating gears 13, the rotating gears 13 are meshed with the rotating worms 12, the separated ends of the two rotating worms 12 are rotatably connected with the inner wall of the water tank 7, the separated sides of the two rotating gears 13 are rotatably connected with the inner wall of the water tank 7, the top of the right side of the water tank 7 is fixedly connected with a motor 10, and the driving end of the motor 10 is fixedly connected with the right end of the front right rotating worm 12 to be used for synchronously rotating the four stirring rods 11. Starting the motor 10, the motor 10 drives the rotating worm 12 to rotate to drive the front stirring rod 11 to rotate. The front stirring rod 11 rotates to drive the front left rotating worm 12 to rotate and engage with the left front rotating gear 13 to drive the left stirring rod 11 to rotate. The left rear rotating gear 13 rotates together and engages with the rear left rotating worm 12 to drive the rear stirring rod 11 to rotate. The rear right rotating worm 12 rotates accordingly and engages with the right rear rotating gear 13 to drive the right stirring rod 11 to rotate to stir the cold water and hot water inside the water tank 7. At the same time, the four stirring rods 11 are distributed in sequence to make the mixing of cold and hot water more uniform; Refer to Figures 5 - 7, connection pipes 18 are provided at both the front bottom and the right bottom of the water tank 7. A filter 20 is inserted into the inner wall of the connection pipe 18. A limiting groove is formed at the top of the connection pipe 18. A limiting plug 19 is slidably connected to the inner wall of the limiting groove. A spring 21 is arranged inside the limiting groove. One end of the spring 21 is fixedly connected to the rear bottom of the limiting plug 19, and the other end of the spring 21 is fixedly connected to the rear side inside the limiting groove. The outer wall of the limiting plug 19 is inserted into the filter 20 to fix the filter 20. After the filter 20 has been used for a long time, grasp the limiting plug 19 and slide it to release the restraint of the limiting plug 19 on the filter 20. At the same time, the spring 21 is compressed. Clean the filter 20. After cleaning, insert the filter 20 back into the connection pipe 18. Release the limiting plug 19, and the spring 21 rebounds without being compressed, driving the limiting plug 19 to reset and fix the filter 20. A water inlet pipe 14 is threadedly connected to the front side of the outer wall of the front connection pipe 18. The right end of the water inlet pipe 14 is fixedly connected to a water pump 8. The output end of the water pump 8 is fixedly connected to a drain pipe 15. The right end of the drain pipe 15 is fixedly connected to a condensation box 9. A plurality of condensation pipes 16 are arranged on the inner wall of the condensation box 9. The right rear of the condensation box 9 is fixedly connected to a water outlet pipe 17. The rear end of the water outlet pipe 17 is fixedly connected to the right side of the right connection pipe 18. The bottom of the condensation box 9 is fixedly connected to the front side of the top of the bottom support 2. The bottom of the water pump 8 is fixedly connected to the front side of the top of the bottom support 2. The water inside the water tank 7 cools the metal droplets in the mold 6. At the same time, start the condensation pipes 16 and the water pump 8. The water pump 8 pumps the hot water in the water tank 7 out of the water tank 7 through the water inlet pipe 14, and then discharges it into the condensation box 9 through the drain pipe 15. The condensation pipes 16 in the condensation box 9 cool the hot water and then inject it into the water tank 7 through the water outlet pipe 17 to cool the metal droplets.

[0031] Working principle: The molten metal droplets generated by melting pass through the slag pool 3 and drip into the metal molten pool 6. The water inside the water tank 7 cools the molten metal droplets in the mold 6. At the same time, the condensing pipe 16 and the water pump 8 are started. The water pump 8 pumps the hot water in the water tank 7 out of the water tank 7 through the water inlet pipe 14, and then discharges it into the condensing box 9 through the drain pipe 15. The condensing pipe 16 cools the hot water and then injects it into the water tank 7 through the water outlet pipe 17 to cool the molten metal droplets. The motor 10 is started, and the motor 10 drives the rotating worm 12 to rotate, causing the front stirring rod 11 to rotate. The rotation of the front stirring rod 11 drives the rotation of the front left rotating worm 12, which meshes with the left front rotating gear 13 to drive the left stirring rod 11 to rotate. The left rear rotating gear 13 rotates together and meshes with the rear left rotating worm 12 to drive the rear stirring rod 11 to rotate. The rear right rotating worm 12 then rotates and meshes with the right rear rotating gear 13 to drive the right stirring rod 11 to rotate, stirring the cold water and hot water inside the water tank 7. At the same time, the four stirring rods 11 are distributed in sequence, making the mixing of cold and hot water more uniform. When the filter 20 has been used for a long time, grasp the limit insert block 19 and slide to release the restraint of the limit insert block 19 on the filter 20. At the same time, the spring 21 is compressed. Clean the filter 20. After cleaning, insert the filter 20 back into the connecting pipe 18, release the limit insert block 19, and the spring 21 rebounds without being compressed, driving the limit insert block 19 to reset to fix the filter 20.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electroslag furnace capable of cooling by water-cooled circulation, characterized in that, including; An electric furnace (1) for containing raw materials, a consumable electrode (5) is arranged on the inner wall of the electric furnace (1), a slag pool (3) is fixedly connected to the bottom of the electric furnace (1), and a liquid hopper (4) is fixedly connected to the bottom of the slag pool (3); A bottom support (2) for bearing weight, a metal melting pool (6) is fixedly connected to the top of the bottom support (2), a water tank (7) for containing water is fixedly connected to the outer wall of the metal melting pool (6), four stirring rods (11) are connected to the inner wall of the water tank (7) through a transmission assembly for synchronously rotating the four stirring rods (11), connecting pipes (18) are arranged at the bottom of the front side and the right side of the water tank (7), a filter (20) is inserted into the inner wall of the connecting pipe (18), a limiting groove is formed at the top of the connecting pipe (18), and the inner wall of the limiting groove is connected to the inner wall of the filter (20) through a limiting assembly for fixing the filter (20). A water inlet pipe (14) is threadedly connected to the front side of the outer wall of the front connecting pipe (18), a water pump (8) is fixedly connected to the right end of the water inlet pipe (14), a drain pipe (15) is fixedly connected to the output end of the water pump (8), a condensation box (9) is fixedly connected to the right end of the drain pipe (15), a plurality of condensation pipes (16) are arranged on the inner wall of the condensation box (9), an outlet pipe (17) is fixedly connected to the right rear of the condensation box (9), and the rear end of the outlet pipe (17) is fixedly connected to the right side of the right connecting pipe (18).

2. The electroslag furnace capable of cooling by water-cooled circulation according to claim 1, wherein: The transmission assembly includes rotating worms (12) fixedly connected to the left and right ends of the front and rear stirring rods (11), rotating gears (13) are fixedly connected to the front and rear ends of the left and right stirring rods (11), the rotating gears (13) are meshed with the rotating worms (12), the separated ends of the two rotating worms (12) are rotatably connected to the inner wall of the water tank (7), and the separated sides of the two rotating gears (13) are rotatably connected to the inner wall of the water tank (7).

3. The electroslag furnace capable of cooling by water-cooled circulation according to claim 2, wherein: A motor (10) is fixedly connected to the top right of the water tank (7), and the driving end of the motor (10) is fixedly connected to the right end of the front right rotating worm (12).

4. A consumable-electrode melting furnace capable of cooling by water-cooled circulation according to claim 1, wherein: The limiting assembly includes a limiting plug (19) slidably connected to the inner wall of the limiting groove, a spring (21) is arranged inside the limiting groove, and the outer wall of the limiting plug (19) is inserted into the inside of the filter (20).

5. The electroslag furnace capable of cooling by water-cooled circulation according to claim 4, characterized in that: One end of the spring (21) is fixedly connected to the bottom rear side of the limiting plug (19), and the other end of the spring (21) is fixedly connected to the rear side inside the limiting groove.

6. The electroslag furnace capable of cooling by water-cooled circulation according to claim 1, characterized in that: The bottom of the condensation box (9) is fixedly connected to the front side of the top of the bottom support (2), and the bottom of the water pump (8) is fixedly connected to the front side of the top of the bottom support (2).

7. The electroslag furnace capable of cooling by water-cooled circulation according to claim 1, wherein: The metal melting pool (6) is located below the liquid hopper (4), and the bottom of the water tank (7) is fixedly connected to the top of the bottom support (2).

Images