Waste steel recycling and smelting device

Abstract

The utility model discloses a waste steel recycling and smelting device which comprises a main body unit, a smelting unit and a smelting unit, the main body unit comprises a connecting box, a vertical cylinder is fixedly connected to the upper end face of the connecting box, and supporting legs are fixedly connected to the four corners of the lower end face of the connecting box; and the operation unit comprises a conical block, the conical block is arranged in a vertical cylinder, a cross-shaped mounting plate is fixedly connected to the inner wall of the vertical cylinder, a servo motor is fixedly mounted on the cross-shaped mounting plate, and the output end of the servo motor is fixedly connected with a rotating rod. Waste steel is placed in the vertical cylinder, the servo motor is started, the output end of the servo motor drives the rotating rod to rotate, the rotating rod drives the connecting circular plate and the conical block to rotate, the connecting circular plate drives the first crushing teeth to rotate, and the first crushing teeth are matched with the second crushing teeth to crush the waste steel into small steel blocks within a certain range. And therefore, the waste steel and iron with different shapes can be conveniently smelted, and the uniformity of smelting of the waste steel and iron is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scrap steel recycling, in particular to a scrap steel recycling and smelting device. Background Art

[0002] The smelting of steel is a necessary step for the development of a country's industry. The demand for drying furnaces, melting furnaces and smelting furnaces used for smelting steel is also increasing year by year. The existing scrap steel needs to be melted in the furnace before being remade.

[0003] The utility model with the existing publication number CN219693856U discloses an energy-saving smelting drum for steel smelting, which belongs to the technical field of smelting drums. An energy-saving smelting drum for steel smelting comprises a smelting drum furnace body, an annular slide groove is provided at the upper end of the smelting drum furnace body, an auxiliary slide drum is slidably connected in the annular slide groove, a receiving groove is provided at the inner end of the auxiliary slide drum, an insulation plate is rotatably connected in the receiving groove, a torsion spring is fixedly installed between the insulation plate and the inner wall of the receiving groove, and a magnetic bottom ring is fixedly connected at the lower end of the auxiliary slide drum, which can achieve the purpose of thickening and insulating the barrel wall of the smelting drum furnace body and covering and insulating the barrel mouth of the smelting drum furnace body through multiple insulation plates. It can not only play a double insulation role for the smelting drum furnace body when in use, but also use multiple insulation plates to move up and abut against each other to form a barrel cover for covering when the smelting drum furnace body is not in use, thereby greatly reducing heat loss, thereby effectively playing a role of energy saving and emission reduction.

[0004] When putting scrap steel into a smelting drum furnace for smelting, there is a significant problem: the size of the scrap steel varies significantly, and the smelting time required for large scrap steel and small scrap steel is completely different, which leads to unevenness in the smelting process, thus seriously affecting the smelting effect of the scrap steel. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the purpose of the utility model is to provide a scrap steel recovery and smelting device, which is designed to solve the problem that "when putting scrap steel into a smelting drum furnace for smelting, there is a significant problem: the sizes of scrap steel vary significantly, and the smelting time required for large scrap steel and small scrap steel is completely different, which leads to unevenness in the smelting process, thereby seriously affecting the smelting effect of the scrap steel."

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A scrap steel recovery and smelting device, comprising:

[0009] The main unit comprises a connection box, the upper end surface of the connection box is fixedly connected to a vertical cylinder, and the four corners of the lower end surface of the connection box are fixedly connected to support legs;

[0010] The working unit comprises a conical block, which is arranged in a vertical cylinder; a cross mounting plate is fixedly connected to the inner wall of the vertical cylinder; a servo motor is fixedly installed on the cross mounting plate; a rotating rod is fixedly connected to the output end of the servo motor; a connecting circular plate is fixedly connected to the upper end of the rotating rod; the conical block is fixedly connected to the connecting circular plate; a plurality of No. 1 crushing teeth are fixedly connected to the connecting circular plate at equal circumferential intervals; a plurality of No. 2 crushing teeth are fixedly connected to the inner wall of the vertical cylinder at equal circumferential intervals; the No. 1 crushing teeth and the No. 2 crushing teeth are meshed with each other; a smelting electric furnace is fixedly connected to the inner wall of the connecting box; a moving component is arranged on the connecting box.

[0011] As a preferred scheme of the scrap steel recovery and smelting device described in the utility model, wherein: the moving component includes a stepper motor, the stepper motor is fixedly installed on the inner wall of the connecting box, the output end of the stepper motor passes through the side wall of the connecting box and is fixedly connected to a threaded rod, a threaded sleeve is threadedly sleeved on the threaded rod, a moving rod is fixedly connected to the threaded sleeve, the lower end of the moving rod is fixedly connected to a moving block, the moving block is fixedly connected to a connecting plate, an injection head is fixedly installed on the connecting plate, an injection pipe is arranged on the injection head, a discharge pipe is fixedly inserted into the lower end surface of the smelting electric furnace, and the upper end of the injection pipe h is connected to the discharge pipe.

[0012] As a preferred solution of the scrap steel recovery and smelting device described in the utility model, a plurality of mold shells are arranged on the inner wall of the connecting box, and a plurality of feed pipes are fixedly connected to the upper end surface of each of the mold shells.

[0013] As a preferred solution of the scrap steel recovery and smelting device described in the utility model, a feeding funnel is fixedly connected to the inner wall of the vertical cylinder, a through opening is opened on the upper end surface of the connecting box, a feeding pipe is fixedly connected to the upper end surface of the smelting electric furnace, and the upper end of the feeding pipe is arranged in the through opening.

[0014] As a preferred solution of the scrap steel recovery and smelting device described in the utility model, the moving component also includes a slide rod, the slide rod is fixedly connected to the inner wall of the connecting box, and the moving block is slidably sleeved on the slide rod.

[0015] As a preferred solution of the scrap steel recovery and smelting device described in the utility model, the connection box is provided with a box door, and handles are symmetrically fixedly installed on the box door.

[0016] Beneficial effects of the utility model:

[0017] Put the scrap steel in the vertical cylinder, start the servo motor, the output end of the servo motor drives the rotating rod to rotate, the rotating rod drives the connecting circular plate and the cone block to rotate, the connecting circular plate drives the No. 1 crushing tooth to rotate, the No. 1 crushing tooth cooperates with the No. 2 crushing tooth to crush the scrap steel into smaller steel blocks within a certain range, thereby facilitating the smelting of scrap steel of different sizes and improving the uniformity of scrap steel smelting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a structural schematic diagram of a scrap steel recovery and smelting device proposed by the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of the middle vertical tube;

[0021] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure of the connection box.

[0022] In the figure: 100, main unit; 101, connection box; 102, vertical cylinder; 103, box door; 104, support leg;

[0023] 200, operating unit; 201, conical block; 202, servo motor; 203, rotating rod; 204, connecting circular plate; 205, crushing tooth No. 1; 206, crushing tooth No. 2; 207, cross mounting plate; 208, unloading funnel; 209, smelting electric furnace; 210, feeding pipe; 211, moving assembly; 211a, stepping motor; 211b, threaded rod; 211c, threaded sleeve; 211d, moving rod; 211e, moving block; 211f, connecting plate; 211g, injection head; 211h, injection pipe; 211i, sliding rod; 212, mold shell; 213, feeding pipe. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Reference Figure 1-3 The utility model provides a scrap steel recovery and smelting device, comprising:

[0029] The main unit 100 includes a connection box 101, the upper end surface of the connection box 101 is fixedly connected to a vertical cylinder 102, and the four corners of the lower end surface of the connection box 101 are fixedly connected to support legs 104;

[0030] The operation unit 200 includes a cone block 201, which is arranged in the vertical cylinder 102. A cross mounting plate 207 is fixedly connected to the inner wall of the vertical cylinder 102. A servo motor 202 is fixedly installed on the cross mounting plate 207. A rotating rod 203 is fixedly connected to the output end of the servo motor 202. A connecting circular plate 204 is fixedly connected to the upper end of the rotating rod 203. The cone block 201 is fixedly connected to the connecting circular plate 204. A plurality of No. 1 crushing teeth 205 are fixedly connected to the connecting circular plate 204 at equal intervals in the circumferential direction. A plurality of No. 2 crushing teeth 206 are fixedly connected to the inner wall of the vertical cylinder 102 at equal intervals in the circumferential direction. The No. 1 crushing teeth 205 and The No. 2 crushing teeth 206 are meshed with each other, a smelting electric furnace 209 is fixedly connected to the inner wall of the connecting box 101, a moving component 211 is arranged on the connecting box 101, the scrap steel is placed in the vertical cylinder 102, the servo motor 202 is started, the output end of the servo motor 202 drives the rotating rod 203 to rotate, the rotating rod 203 drives the connecting circular plate 204 and the conical block 201 to rotate, the connecting circular plate 204 drives the No. 1 crushing teeth 205 to rotate, the No. 1 crushing teeth 205 cooperate with the No. 2 crushing teeth 206 to crush the scrap steel into smaller steel blocks within a certain range, thereby facilitating the smelting of scrap steel of different sizes and improving the uniformity of smelting of scrap steel.

[0031] The moving assembly 211 includes a stepper motor 211a, which is fixedly mounted on the inner wall of the connection box 101. The output end of the stepper motor 211a passes through the side wall of the connection box 101 and is fixedly connected to a threaded rod 211b. A threaded sleeve 211c is threadedly sleeved on the threaded rod 211b. A moving rod 211d is fixedly connected to the threaded sleeve 211c. A moving block 211e is fixedly connected to the lower end of the moving rod 211d. A connecting plate 211f is fixedly connected to the moving block 211e. A liquid injection head 211g is fixedly installed on the connecting plate 211f, and a liquid injection pipe 211h is arranged on the liquid injection head 211g. A discharge pipe is fixedly inserted into the lower end surface of the smelting electric furnace 209, and the upper end of the liquid injection pipe 211h is connected to the discharge pipe. The output end of the stepper motor 211a drives the threaded rod 211b to rotate, and the threaded rod 211b drives the liquid injection head 211g to move through the threaded sleeve 211c, the moving block 211e, and the connecting plate 211f, and the liquid injection head 211g moves to the top of the feed pipe 213.

[0032] Furthermore, a plurality of mold shells 212 are arranged on the inner wall of the connection box 101 , and a plurality of feed pipes 213 are fixedly connected to the upper end surface of each mold shell 212 , and molten steel is injected into the mold shell 212 through the feed pipes 213 .

[0033] Furthermore, a feeding hopper 208 is fixedly connected to the inner wall of the vertical cylinder 102, a through opening is opened on the upper end surface of the connecting box 101, and a feeding pipe 210 is fixedly connected to the upper end surface of the smelting electric furnace 209. The upper end of the feeding pipe 210 is arranged in the through opening. The crushed small steel blocks enter the through opening through the feeding hopper 208, and then enter the smelting electric furnace 209 through the feeding pipe 210 for smelting.

[0034] Furthermore, the moving assembly 211 also includes a slide rod 211i, which is fixedly connected to the inner wall of the connection box 101, and the moving block 211e is slidably sleeved on the slide rod 211i. The moving block 211e moves on the slide rod 211i to limit the threaded sleeve 211c.

[0035] Furthermore, the connection box 101 is provided with a box door 103 , and handles are symmetrically fixedly installed on the box door 103 , and the mold shell 212 can be taken out by opening the box door 103 .

[0036] During use, the scrap steel is placed in the vertical cylinder 102, and the servo motor 202 is started. The output end of the servo motor 202 drives the rotating rod 203 to rotate, and the rotating rod 203 drives the connecting circular plate 204 and the cone block 201 to rotate. The connecting circular plate 204 drives the No. 1 crushing tooth 205 to rotate. The No. 1 crushing tooth 205 cooperates with the No. 2 crushing tooth 206 to crush the scrap steel into smaller steel blocks within a certain range. The crushed small steel blocks enter the through port through the discharge funnel 208, and then pass through the through pipe 21 0 enters the smelting electric furnace 209 for smelting, and the small scrap steel blocks are melted into molten steel. The stepper motor 211a is started, and the output end of the stepper motor 211a drives the threaded rod 211b to rotate. The threaded rod 211b drives the injection head 211g to move through the threaded sleeve 211c, the moving block 211e, and the connecting plate 211f. The injection head 211g moves to the top of the feed pipe 213, and the molten steel is injected into the feed pipe 213 and the mold shell 212 through the injection pipe 211h and the injection head 211g to cast the steel mold.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A scrap steel recovery and smelting device, characterized in that: include: The main unit (100) comprises a connection box (101), the upper end surface of the connection box (101) is fixedly connected to a vertical cylinder (102), and the four corners of the lower end surface of the connection box (101) are fixedly connected to support legs (104); The operation unit (200) comprises a conical block (201), wherein the conical block (201) is arranged in a vertical cylinder (102), a cross mounting plate (207) is fixedly connected to the inner wall of the vertical cylinder (102), a servo motor (202) is fixedly mounted on the cross mounting plate (207), an output end of the servo motor (202) is fixedly connected to a rotating rod (203), an upper end of the rotating rod (203) is fixedly connected to a connecting circular plate (204), and the conical block (201) is fixedly The connecting box (101) is connected to a connecting circular plate (204), and a plurality of No. 1 crushing teeth (205) are fixedly connected to the connecting circular plate (204) at equal intervals in the circumferential direction. A plurality of No. 2 crushing teeth (206) are fixedly connected to the inner wall of the vertical cylinder (102) at equal intervals in the circumferential direction. The No. 1 crushing teeth (205) and the No. 2 crushing teeth (206) are meshed with each other. A smelting electric furnace (209) is fixedly connected to the inner wall of the connecting box (101), and a moving component (211) is arranged on the connecting box (101).

2. A scrap steel recovery and smelting device according to claim 1, characterized in that: The moving assembly (211) comprises a stepper motor (211a), the stepper motor (211a) is fixedly mounted on the inner wall of the connection box (101), the output end of the stepper motor (211a) passes through the side wall of the connection box (101) and is fixedly connected to a threaded rod (211b), a threaded sleeve (211c) is threadedly sleeved on the threaded rod (211b), and a moving rod (211d) is fixedly connected to the threaded sleeve (211c). The lower end of the moving rod (211d) is fixedly connected to a moving block (211e), the moving block (211e) is fixedly connected to a connecting plate (211f), the connecting plate (211f) is fixedly installed with a liquid injection head (211g), the liquid injection head (211g) is provided with a liquid injection pipe (211h), the lower end surface of the smelting electric furnace (209) is fixedly penetrated with a discharge pipe, and the upper end of the liquid injection pipe (211h) is connected to the discharge pipe.

3. A scrap steel recovery and smelting device according to claim 2, characterized in that: A plurality of mold shells (212) are arranged on the inner wall of the connection box (101), and a plurality of feed pipes (213) are fixedly connected to the upper end surface of each mold shell (212).

4. A scrap steel recovery and smelting device according to claim 3, characterized in that: A material discharge funnel (208) is fixedly connected to the inner wall of the vertical cylinder (102), a through opening is opened on the upper end surface of the connection box (101), and a material through pipe (210) is fixedly connected to the upper end surface of the smelting electric furnace (209), and the upper end of the material through pipe (210) is arranged in the through opening.

5. The scrap steel recovery and smelting device according to claim 2, characterized in that: The moving assembly (211) further comprises a sliding rod (211i), wherein the sliding rod (211i) is fixedly connected to the inner wall of the connection box (101), and the moving block (211e) is slidably sleeved on the sliding rod (211i).

6. The scrap steel recovery and smelting device according to claim 1, characterized in that: The connection box (101) is provided with a box door (103), and handles are symmetrically fixedly mounted on the box door (103).

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