Melting device for recycling steel waste

Abstract

The utility model relates to the technical field of steel waste treatment, and discloses a melting device for steel waste recovery, which comprises an electric arc furnace, the top of the electric arc furnace is communicated with a crushing pipe, the bottom of the electric arc furnace is provided with a liquid outlet, two symmetric crushing rollers are arranged in the crushing pipe, and the crushing rollers are connected with a material screening rotating plate through a feeding hopper. Steel waste is placed in the feeding hopper, through starting of a vibration motor, a material screening rotating plate conveys impurities obtained through vibration screening into an impurity storage box through an obliquely-unfolded rotating plate for collection, after impurity discharging work is finished, a second impurity discharging opening can be closed through rotation of the rotating plate, and the second impurity discharging opening is opened through rotation of the material screening rotating plate; the steel waste can fall between the two crushing rollers to be crushed, impurities in the steel waste are reduced, the size difference of the steel waste is small, and therefore the overall melting efficiency of the electric arc furnace is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel scrap processing technical field, concretely is a kind of melting device for steel scrap recycling. BACKGROUND

[0002] Steel scrap refers to the discarded steel materials generated in the process of steel production, processing and use. These scrap materials can come from steel smelting, rolling, cutting, welding, machining and other links, and steel scrap is generally recycled for melting treatment.

[0003] When steel scrap is recycled and melted, it is common to place steel scrap directly in an electric arc furnace for melting work. However, when steel scrap is recycled, it contains a large amount of impurities. The mixing of impurities increases the melting time when the steel scrap is melted, thereby reducing the melting efficiency of the steel scrap.

[0004] Therefore, it is necessary to design a melting device for steel scrap recycling to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of melting device for steel scrap recycling, for solving the technical problems proposed in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of melting device for steel scrap recycling, including electric arc furnace, the top of the electric arc furnace is communicated with broken pipe, and the bottom of the electric arc furnace is provided with liquid outlet, and the inside of the broken pipe is provided with two broken rollers that are symmetrical, and the top of the broken pipe is communicated with vibration sieve pipe, the top of the vibration sieve pipe is communicated with feed hopper, the outer surface of the vibration sieve pipe is fixedly connected with vibration motor on one side, the outer surface of the vibration sieve pipe is fixedly connected with second servo motor and third servo motor, and the output shaft of the second servo motor is fixedly connected with third rotating shaft, the outer surface of the third rotating shaft is fixedly sleeved with sieve rotating plate, and the output shaft of the third servo motor is fixedly connected with second rotating shaft, and the outer surface of the second rotating shaft is fixedly sleeved with rotating plate, and the outer surface of the sieve rotating plate is provided with a plurality of sieve holes, and the side of the vibration sieve pipe is fixedly connected with impurity storage box, and the side of the outer surface of the impurity storage box is provided with second impurity discharge port, and the outer surface of the side of the vibration sieve pipe is provided with first impurity discharge port, the bottom of the impurity storage box is provided with impurity outlet, and the second rotating shaft is rotatably arranged in the inside of second impurity discharge port, and the sieve rotating plate is rotatably arranged on the top of rotating plate.

[0007] Preferably, the top of the storage box is fixedly connected with an L-shaped connecting plate, the top of the L-shaped connecting plate is fixedly connected with a first servo motor, the output shaft of the first servo motor is fixedly connected with a first rotating shaft, and the outer surface of the first rotating shaft is fixedly connected with a plurality of stirring shafts, which are rotationally arranged in the interior of the feeding hopper.

[0008] Preferably, the two ends of the screening rotating plate are provided with arc surfaces, and the outer surface of the screening rotating plate is attached to the outer surface of the inner cavity of the screening pipe.

[0009] Preferably, the top end and the bottom end of the rotating plate are provided with arc surfaces, the length of the rotating plate is greater than the diameter length of the screening pipe, and the top end and the bottom end of the rotating plate are respectively attached to the top and the bottom of the second impurity discharging port.

[0010] Preferably, the distance between the rotating plate and the screening rotating plate is greater than the sum of the length of the rotating plate and the length of the screening rotating plate, and the screening rotating plate is rotationally arranged directly above the second impurity discharging port.

[0011] Preferably, the first impurity discharging port and the second impurity discharging port are connected, the size of the first impurity discharging port is smaller than the size of the second impurity discharging port, and the bottom end of the first impurity discharging port is located below one side of the rotating plate.

[0012] Compared with the prior art, the technical scheme of the utility model has the beneficial effects as follows:

[0013] The utility model discloses a feeding hopper and screening rotating plate, and the steel scrap is placed in the interior of the feeding hopper, and the impurities of the screening pipe are sent to the interior of the storage box through the inclined and unfolded rotating plate through the opening of the vibration motor, and after the impurity discharging work is finished, the second impurity discharging port is closed through the rotation of the rotating plate, and is opened through the rotation of the screening rotating plate, so that the steel scrap can fall between the two crushing rollers for crushing, the impurities in the steel scrap are reduced, the size difference of the steel scrap is small, and the overall melting efficiency of the electric arc furnace is improved. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a screening pipe structure exploded schematic view of the utility model;

[0016] Fig. 3 It is a storage box structure exploded schematic view of the utility model;

[0017] In the figure: 1, electric arc furnace; 2, crushing tube; 3, vibrating tube; 4, vibrating motor; 5, feeding hopper; 6, first servo motor; 7, L-shaped connecting plate; 8, first rotating shaft; 9, stirring shaft; 10, second servo motor; 11, third servo motor; 12, impurity storage box; 13, impurity outlet; 14, second rotating shaft; 15, rotating plate; 16, third rotating shaft; 17, sieve rotating plate; 18, crushing roller; 19, first impurity outlet; 20, second impurity outlet. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described in the following with reference to the drawings in the embodiments of the present application.

[0019] Obviously, a lot of specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced in different ways from those described herein without departing from the present application, and it is therefore contemplated to be limited to the specific embodiments disclosed in the following description.

[0020] Please refer to Figs. 1-3The utility model provides a kind of steel waste recovery melting device, including electric arc furnace 1, the top of electric arc furnace 1 is connected with crushing tube 2, and the bottom of electric arc furnace 1 is equipped with liquid outlet, and the inside of crushing tube 2 is provided with two symmetrical crushing rollers 18, and the top of crushing tube 2 is connected with vibrating screen tube 3, the top of vibrating screen tube 3 is connected with feed hopper 5, the outside surface of vibrating screen tube 3 is fixedly connected with vibration motor 4, the outside surface of vibrating screen tube 3 is fixedly connected with second servo motor 10 and third servo motor 11, and the output shaft of second servo motor 10 is fixedly connected with third rotating shaft 16, the outside surface of third rotating shaft 16 is fixedly sleeved with sieve rotary plate 17, and the output shaft of third servo motor 11 is fixedly connected with second rotating shaft 14, and the outside surface of second rotating shaft 14 is fixedly sleeved with rotary plate 15, and the outside surface of sieve rotary plate 17 is equipped with multiple sieve holes, and one side of vibrating screen tube 3 is fixedly connected with storage box 12, and the outside surface of one side of storage box 12 is equipped with second impurity discharge port 20, and the outside surface one side of vibrating screen tube 3 is equipped with first impurity discharge port 19, the bottom of storage box 12 is equipped with impurity outlet 13, and second rotating shaft 14 is rotationally arranged in the inside of second impurity discharge port 20, and sieve rotary plate 17 is rotationally arranged on the top of rotary plate 15, place steel waste in the inside of feed hopper 5, and open by the vibration of vibration motor 4, and the steel waste in the inside of feed hopper 5 is vibrated and impurity is removed, and at this time, third servo motor 11 is opened, and rotary plate 15 is rotated to be attached to the inner cavity one side of electric arc furnace 1, and second impurity discharge port 20 is opened, and rotary plate 15 forms inclined plane, at this time, impurities are removed by the vibration of sieve rotary plate 17, and impurities are sent to the inside of storage box 12 by rotary plate 15, when impurity removal work is completed, rotary plate 15 is rotated back to original position, and second impurity discharge port 20 is blocked, then, sieve rotary plate 17 is opened by rotation, and then steel waste after impurity removal falls between two crushing rollers 18 and is crushed, so that the size difference of steel waste residue is smaller, so as to further improve the melting efficiency of steel waste residue into electric arc furnace 1.

[0021] In order to improve the impurity removal efficiency of steel waste residue in the inside of feed hopper 5, the top of storage box 12 is fixedly connected with L-shaped connecting plate 7, the top of L-shaped connecting plate 7 is fixedly connected with first servo motor 6, and the output shaft of first servo motor 6 is fixedly connected with first rotating shaft 8, and the outside surface of first rotating shaft 8 is fixedly connected with multiple stirring shafts 9, and multiple stirring shafts 9 are rotationally arranged in the inside of feed hopper 5.

[0022] In order to facilitate the vibration of sieve rotary plate 17, the two ends of sieve rotary plate 17 are equipped with arc surfaces, and the outside surface of sieve rotary plate 17 is attached to the inner cavity outside surface of vibrating screen tube 3.

[0023] Further, in order to facilitate the rotation of the rotating plate 15, so that the impurities are easily sent to the storage box 12 for collection, and the steel waste after the impurities are removed is prevented from entering the storage box 12 by the rotating plate 15, the top end and the bottom end of the rotating plate 15 are provided with arc surfaces, and the length of the rotating plate 15 is greater than the diameter length of the vibrating screen pipe 3, and the top end and the bottom end of the rotating plate 15 are respectively attached to the top and the bottom of the second impurity discharge port 20.

[0024] Further, in order to avoid the influence of the rotating position of the rotating plate 15 on the rotation and expansion of the material screening rotating plate 17, the distance between the rotating plate 15 and the material screening rotating plate 17 is greater than the sum of the lengths of the rotating plate 15 and the material screening rotating plate 17, and the material screening rotating plate 17 is rotationally arranged above the second impurity discharge port 20.

[0025] In order to facilitate the impurities to be sent to the inside of the storage box 12 through the rotating plate 15, the first impurity discharge port 19 and the second impurity discharge port 20 are communicated, and the size of the first impurity discharge port 19 is smaller than that of the second impurity discharge port 20, and the bottom end of the first impurity discharge port 19 is located below one side of the rotating plate 15.

[0026] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0027] In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0028] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the technical concept of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A melting apparatus for steel scrap recycling, comprising an electric arc furnace (1), characterized in that: The top of the electric arc furnace (1) is communicated with a crushing pipe (2), and the bottom of the electric arc furnace (1) is provided with a liquid outlet, and the inside of the crushing pipe (2) is provided with two symmetrical crushing rollers (18), and the top of the crushing pipe (2) is communicated with a vibrating screen pipe (3), the top of the vibrating screen pipe (3) is communicated with a feeding hopper (5), one side of the outer surface of the vibrating screen pipe (3) is fixedly connected with a vibrating motor (4), the outer surface of the vibrating screen pipe (3) is fixedly connected with a second servo motor (10) and a third servo motor (11), and the output shaft of the second servo motor (10) is fixedly connected with a third rotating shaft (16), the outer surface of the third rotating shaft (16) is fixedly sleeved with a screening rotating plate (17), and the output shaft of the third servo motor (11) is fixedly connected with a second rotating shaft (14), and the outer surface of the second rotating shaft (14) is fixedly sleeved with a rotating plate (15), and the outer surface of the screening rotating plate (17) is provided with a plurality of screen holes, and one side of the vibrating screen pipe (3) is fixedly connected with a sundry storage box (12), and the outer surface of one side of the sundry storage box (12) is provided with a second sundry discharge port (20), and one side of the outer surface of the vibrating screen pipe (3) is provided with a first sundry discharge port (19), and the bottom of the sundry storage box (12) is provided with a sundry discharge port (13), and the second rotating shaft (14) is rotatably arranged in the second sundry discharge port (20), and the screening rotating plate (17) is rotatably arranged on the top of the rotating plate (15).

2. The melting apparatus for steel scrap recycling according to claim 1, characterized by: The top of the sundry storage box (12) is fixedly connected with an L-shaped connecting plate (7), the top of the L-shaped connecting plate (7) is fixedly connected with a first servo motor (6), and the output shaft of the first servo motor (6) is fixedly connected with a first rotating shaft (8), and the outer surface of the first rotating shaft (8) is fixedly connected with a plurality of stirring shafts (9), and the plurality of stirring shafts (9) are rotatably arranged in the inside of the feeding hopper (5).

3. The melting apparatus for steel scrap recycling according to claim 1, characterized by: The two ends of the screening rotating plate (17) are provided with arc surfaces, and the outer surface of the screening rotating plate (17) is fitted with the inner cavity surface of the vibrating screen pipe (3).

4. The melting apparatus for steel scrap recycling according to claim 1, characterized by: The top end and the bottom end of the rotating plate (15) are both provided with arc surfaces, and the length of the rotating plate (15) is greater than the diameter length of the vibrating screen pipe (3), and the top end and the bottom end of the rotating plate (15) are respectively fitted with the top and the bottom of the second sundry discharge port (20).

5. The melting apparatus for steel scrap recycling according to claim 1, characterized by: The distance between the rotating plate (15) and the screening rotating plate (17) is greater than the sum of the length of the rotating plate (15) and the length of the screening rotating plate (17), and the screening rotating plate (17) is rotatably arranged directly above the second sundry discharge port (20).

6. The melting apparatus for steel scrap recycling according to claim 1, characterized by: The first sundry discharge port (19) and the second sundry discharge port (20) are communicated, and the size of the first sundry discharge port (19) is smaller than the size of the second sundry discharge port (20), and the bottom end of the first sundry discharge port (19) is located below one side of the rotating plate (15).

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