Refining furnace for waste steel refining

Abstract

The utility model relates to the technical field of waste steel refining, and discloses a refining furnace for waste steel refining. The refining furnace for waste steel refining comprises a bottom plate, a sliding groove is formed in the upper portion of the bottom plate, a supporting block is movably installed on the upper portion of the bottom plate, a motor is fixedly installed on the upper portion of the supporting block, a gear box is fixedly installed at the front end of the motor, and a driving shaft is installed on the right side of the gear box in a penetrating and inserting mode; after the piston drives the furnace body to enter the protective shell, the bottom end of the furnace body is embedded into the supporting frame, the supporting frame can support the furnace body and limit the position of the furnace body, the furnace body is located in the center of the protective shell, the distances between the outer vertical face of the furnace body and the heating coil are the same, and therefore the furnace body can be heated conveniently. Heat is provided for the furnace body through the heating coil to refine waste steel in the furnace body, so that the waste steel in each area in the furnace body can be uniformly heated, the refining time is shortened, and the refining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scrap steel refining, and specifically relates to a refining furnace for scrap steel refining. Background Art

[0002] A refining furnace is a smelting device in the hot processing industry, and is mostly used as a smelting device for the final deoxidation and alloying process of molten steel in ferrous metallurgy. It has different classifications according to different smelting purposes, and common ones include argon blowing refining furnaces and LF refining furnaces, etc.

[0003] The existing Chinese utility model patent with the reference publication number: CN220767059U discloses a ferrosilicon refining furnace, which includes: a furnace body, an inlet is opened at the upper end of the furnace body, support legs are fixedly connected around the bottom of the furnace body, and a collection box is fixedly connected at the middle position. A drive box is fixedly connected to the right side of the furnace body, a motor is fixedly connected inside the drive box, a horizontally arranged partition plate is fixedly connected inside the furnace body, the partition plate divides the furnace body into a combustion chamber and a blanking chamber, and a number of evenly distributed mesh holes are provided on the partition plate. A cleaning device is arranged inside the furnace body to cooperate with the upper end of the partition plate, and a vibration device is also arranged inside the furnace body to cooperate with the lower end of the partition plate. A sieve plate is fixedly connected inside the furnace body below the vibration device, an outlet is arranged on the furnace body to the left of the sieve plate, a water pipe is fixedly connected to the outside of the collection box, the upper end of the water pipe passes through the furnace body and is fixedly connected with a spray head, the lower end of the water pipe is located inside the collection box and is fixedly connected with a water pump. Through the above structure, the cleaning efficiency is improved.

[0004] When the existing refining furnace is heated, the position between the furnace body and the heat source is fixed. During the heating process, the scrap steel closest to the heat source melts first, and then the heat is transferred through the molten steel. This method has low efficiency. In addition, the existing refining furnace body is fixed, and it is not convenient to export the molten steel inside after the refining is completed. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a refining furnace for scrap steel refining, which has the advantages of uniform heating and convenient export of molten steel, etc., and solves the above technical problems.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solution: A refining furnace for scrap steel refining, comprising: a bottom plate, a chute is provided above the bottom plate, a support block is movably installed above the bottom plate, a motor is fixedly installed above the support block, a gearbox is fixedly installed at the front end of the motor, a drive shaft is inserted and installed on the right side of the gearbox, a guide wheel is inserted and installed at the end of the drive shaft, a gantry is fixedly installed above the support block, a piston is inserted and installed above the gantry, a hook is fixedly installed at the lower end of the piston, a slider is movably installed at the top end of the gantry, an electromagnet is fixedly installed at the bottom end of the slider, a protective shell is fixedly installed above the bottom plate, a support frame is fixedly installed inside the protective shell, a limiting block is fixedly installed on the inner wall of the protective shell, a heating coil is fixedly installed inside the limiting block, a furnace body is movably installed above the protective shell, and an end cover is fitted and installed at the top end of the furnace body; the support block can support the gantry.

[0009] As a preferred technical solution of the present utility model, the chutes are symmetrically arranged on the top surface of the bottom plate on the left and right with the center of the bottom plate as the reference, and the support blocks are symmetrically arranged on the left and right above the bottom plate with the center of the bottom plate as the reference; the chutes can limit the moving direction of the guide wheels.

[0010] As a preferred technical solution of the present utility model, the motor is symmetrically installed on the front and back with the center of the support block as the reference above the support block, the rotating shaft of the motor is fixedly connected to the input shaft of the gearbox, and the output shaft of the gearbox is fixedly connected to the drive shaft; the gearbox can reduce the rotational speed input by the motor and increase the output torque to facilitate driving the drive shaft to rotate.

[0011] As a preferred technical solution of the present utility model, the drive shaft penetrates through the support block, and the drive shaft and the support block are rotationally connected through a bearing, the guide wheel is fitted inside the chute, and the bottom end of the gantry is fixedly connected to the support blocks on the left and right sides above the bottom plate; the drive shaft can drive the guide wheel to rotate.

[0012] As a preferred technical solution of the present utility model, the pistons are symmetrically installed on the left and right above the gantry, the hook is movably connected to the gantry through the piston, and the slider is slidably connected to the gantry; the gantry can limit the position of the piston.

[0013] As a preferred technical solution of the present utility model, the support frame is fixedly installed at the center of the inner cavity bottom surface of the protective shell, the support frame is fitted with the bottom end of the furnace body, and the limiting blocks are fixed on the inner wall of the protective shell in a "cross" shape at an equal 90-degree angle with the center of the protective shell as the reference; the limiting blocks can limit the position of the heating coil.

[0014] As a preferred technical solution of the present utility model, columnar structures adapted to be fitted with hooks are provided on the left and right sides of the top end of the furnace body, and a sliding connection is formed between the end cover and the furnace body; the furnace body can hold scrap steel.

[0015] Compared with the prior art, the present utility model provides a refining furnace for refining scrap steel, which has the following beneficial effects:

[0016] 1. In the present utility model, through the arrangement of the gantry, a piston is inserted and installed above the gantry, and a hook is fixedly installed at the lower end of the piston. The hook can facilitate the connection between the piston and the furnace body. The height of the furnace body is adjusted through the piston to facilitate the movement of the furnace body. The bottom end of the gantry is fixedly connected to the support blocks on the left and right sides above the bottom plate. The support blocks are movably connected to the bottom plate through guide wheels. After the piston contracts and drives the furnace body to be lifted from inside the protective shell to the top of the protective shell, the motor drives the gearbox to drive the drive shaft to drive the guide wheels to rotate, so as to adjust the position of the gantry, thereby transferring the furnace body to the outside of the heating structure to facilitate the subsequent transfer operation of the molten steel.

[0017] 2. In the present utility model, through the arrangement of the heating coil, the heating coil is fixed inside the protective shell through the limiting blocks installed in a "cross" shape on the inner wall of the protective shell. After the piston drives the furnace body into the protective shell, the bottom end of the furnace body is fitted with the support frame. The support frame will support the furnace body and limit the position of the furnace body, so that the furnace body is located at the center of the protective shell, making the distance between the outer surface of the furnace body and the heating coil the same. Heat is provided to the furnace body through the heating coil to refine the scrap steel inside the furnace body. This method can make the scrap steel in each area inside the furnace body receive uniform heat, so as to shorten the refining time and improve the refining efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the installation structure of the support block of the present utility model;

[0020] Figure 3 is a schematic diagram of the connection structure between the support block and the gantry of the present utility model;

[0021] Figure 4 is a schematic sectional view of the protective shell of the present utility model;

[0022] Among them: 1. Bottom plate; 11. Chute; 12. Support block; 13. Motor; 14. Gearbox; 15. Drive shaft; 16. Guide wheel; 17. Gantry; 18. Piston; 19. Hook; 110. Slide block; 111. Electromagnet; 2. Protective shell; 21. Support frame; 22. Limiting block; 23. Heating coil; 24. Furnace body; 25. End cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes in detail the implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] Please refer to Figure 1 - Figure 4 , in this embodiment, a refining furnace for scrap steel refining includes: a bottom plate 1, a chute 11 is arranged above the bottom plate 1, a support block 12 is movably installed above the bottom plate 1, a motor 13 is fixedly installed above the support block 12, a gearbox 14 is fixedly installed at the front end of the motor 13, a drive shaft 15 is inserted and installed on the right side of the gearbox 14, a guide wheel 16 is inserted and installed at the end of the drive shaft 15, a gantry 17 is fixedly installed above the support block 12, a piston 18 is inserted and installed above the gantry 17, a hook 19 is fixedly installed at the lower end of the piston 18, a slider 110 is movably installed at the top of the gantry 17, and an electromagnet 111 is fixedly installed at the bottom end of the slider 110.

[0027] The chute 11 is symmetrically arranged on the top surface of the bottom plate 1 about the center of the bottom plate 1, and the support block 12 is symmetrically arranged above the bottom plate 1 about the center of the bottom plate 1.

[0028] The motor 13 is symmetrically installed above the support block 12 about the center of the support block 12 in a front-rear mirror image manner. The rotating shaft of the motor 13 is fixedly connected to the input shaft of the gearbox 14, and the output shaft of the gearbox 14 is fixedly connected to the drive shaft 15.

[0029] The drive shaft 15 penetrates through the support block 12. A rotational connection is formed between the drive shaft 15 and the support block 12 through a bearing. The guide wheel 16 is fitted inside the chute 11. The bottom end of the gantry 17 is fixedly connected to the support blocks 12 on the left and right sides above the bottom plate 1.

[0030] The pistons 18 are symmetrically installed on the upper side of the gantry 17. An articulated connection is formed between the hook 19 and the gantry 17 through the pistons 18. A sliding connection is formed between the slider 110 and the gantry 17.

[0031] Specifically, the bottom plate 1 can limit the position of the support block 12. The chute 11 can limit the moving direction of the guide wheel 16. The support block 12 can support the gantry 17. The motor 13 can drive the gearbox 14. The gearbox 14 can reduce the rotational speed input by the motor 13 and increase the output torque to drive the drive shaft 15 to rotate. The drive shaft 15 can drive the guide wheel 16 to rotate. The guide wheel 16 can facilitate the adjustment of the position of the gantry 17. The gantry 17 can limit the position of the piston 18. The piston 18 can adjust the position of the hook 19. The hook 19 can facilitate the piston 18 to drive the furnace body 24 to move. The slider 110 can facilitate the up and down movement of the electromagnet 111. After being energized, the electromagnet 111 can generate a magnetic force to adsorb the end cover 25 to facilitate the separation of the end cover 25 from the furnace body 24.

[0032] A protective shell 2 is fixedly installed above the bottom plate 1. A support frame 21 is fixedly installed inside the protective shell 2. A limiting block 22 is fixedly installed on the inner wall of the protective shell 2. A heating coil 23 is fixedly installed inside the limiting block 22. A furnace body 24 is movably installed above the protective shell 2. An end cover 25 is fitted and installed at the top end of the furnace body 24.

[0033] The support frame 21 is fixedly installed at the center of the bottom surface of the inner cavity of the protective shell 2. The support frame 21 is fitted with the bottom end of the furnace body 24. The limiting block 22 is fixed to the inner wall of the protective shell 2 in a "cross" shape at an angle of 90 degrees with the center of the protective shell 2 as the reference.

[0034] Columnar structures that fit with the hooks 19 are provided on the left and right sides at the top end of the furnace body 24. A sliding connection is formed between the end cover 25 and the furnace body 24.

[0035] Specifically, the protective shell 2 can protect the heating coil 23. The support frame 21 can support the furnace body 24. The limiting block 22 can limit the position of the heating coil 23. The heating coil 23 can provide heat to the furnace body 24. The furnace body 24 can hold scrap steel. The end cover 25 can seal the upper end of the furnace body 24 to reduce heat loss.

[0036] In use, a piston 18 is inserted and installed above the gantry 17. A hook 19 is fixedly installed at the lower end of the piston 18. The hook 19 can facilitate the connection between the piston 18 and the furnace body 24. The height of the furnace body 24 is adjusted through the piston 18 to facilitate the movement of the furnace body 24. The bottom end of the gantry 17 is fixedly connected to the support blocks 12 on the left and right sides above the bottom plate 1. The support blocks 12 are movably connected to the bottom plate 1 through the guide wheels 16. After the piston 18 contracts and drives the furnace body 24 to be lifted from inside the protective shell 2 to the top of the protective shell 2, the motor 13 drives the gearbox 14 to drive the drive shaft 15 to drive the guide wheels 16 to rotate, so as to adjust the position of the gantry 17, thereby transferring the furnace body 24 to the outside of the heating structure to facilitate the subsequent transfer operation of the molten steel. The heating coil 23 is fixed inside the protective shell 2 through the limit blocks 22 installed in a "cross" shape on the inner wall of the protective shell 2. After the piston 18 drives the furnace body 24 into the protective shell 2, the bottom end of the furnace body 24 is fitted with the support frame 21. The support frame 21 will support the furnace body 24 and limit the position of the furnace body 24, so that the furnace body 24 is located at the center of the protective shell 2, making the distance between the outer surface of the furnace body 24 and the heating coil 23 the same. Heat is provided to the furnace body 24 through the heating coil 23 to refine the scrap steel inside the furnace body 24. This method can make the scrap steel in each area inside the furnace body 24 receive heat evenly, so as to shorten the refining time and improve the refining efficiency.

[0037] 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 principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A refining furnace for scrap steel refining, characterized in that: include: A bottom plate (1), a slide groove (11) is arranged above the bottom plate (1), a support block (12) is movably installed above the bottom plate (1), a motor (13) is fixedly installed above the support block (12), a gear box (14) is fixedly installed at the front end of the motor (13), a drive shaft (15) is inserted and installed on the right side of the gear box (14), a guide wheel (16) is inserted and installed at the end of the drive shaft (15), a gantry (17) is fixedly installed above the support block (12), a piston (18) is inserted and installed above the gantry (17), and the lower end of the piston (18) is fixedly installed at the lower end of the piston (18). A hook (19) is fixedly installed at the end of the gantry (17); a slider (110) is movably installed at the top of the gantry (17); an electromagnet (111) is fixedly installed at the bottom end of the slider (110); a protective shell (2) is fixedly installed above the bottom plate (1); a support frame (21) is fixedly installed inside the protective shell (2); a limit block (22) is fixedly installed on the inner wall of the protective shell (2); a heating coil (23) is fixedly installed inside the limit block (22); a furnace body (24) is movably installed above the protective shell (2); and an end cover (25) is embedded and installed at the top of the furnace body (24).

2. A refining furnace for scrap steel refining according to claim 1, characterized in that: The slide groove (11) is symmetrically arranged on the top surface of the bottom plate (1) with the center of the bottom plate (1) as a reference, and the support block (12) is symmetrically arranged above the bottom plate (1) with the center of the bottom plate (1) as a reference.

3. A refining furnace for scrap steel refining according to claim 1, characterized in that: The motor (13) is mounted above the support block (12) in a front-to-back mirror-symmetrical manner with the center of the support block (12) as a reference, the rotating shaft of the motor (13) is fixedly connected to the input shaft of the gear box (14), and the output shaft of the gear box (14) is fixedly connected to the drive shaft (15).

4. The refining furnace for scrap steel refining according to claim 1, characterized in that: The drive shaft (15) passes through the support block (12), and the drive shaft (15) and the support block (12) are rotatably connected via a bearing. The guide wheel (16) is embedded in the inside of the slide groove (11), and the bottom end of the gantry (17) is fixedly connected to the support blocks (12) on the left and right sides above the bottom plate (1).

5. The refining furnace for scrap steel refining according to claim 1, characterized in that: The piston (18) is installed symmetrically above the gantry (17), the hook (19) is movably connected to the gantry (17) through the piston (18), and the slider (110) is slidably connected to the gantry (17).

6. The refining furnace for scrap steel refining according to claim 1, characterized in that: The support frame (21) is fixedly mounted at the center of the bottom surface of the inner cavity of the protective shell (2); the support frame (21) is embedded in the bottom end of the furnace body (24); and the limit block (22) is fixed to the inner wall of the protective shell (2) in a "cross" shape at an angle of ninety degrees with the center of the protective shell (2) as a reference.

7. The refining furnace for scrap steel refining according to claim 1, characterized in that: Columnar structures engaging with the hooks (19) are arranged on the left and right sides of the top of the furnace body (24), and a sliding connection is formed between the end cover (25) and the furnace body (24).

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