Magnetic separation device for recycling steel slag

Abstract

The magnetic separation device comprises a shell, an electromagnet, a collecting box and an ash receiving box, the middle of the rear side of the shell is fixedly connected with a conveying box, the top end of the conveying box is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a spiral conveying rod; a first feeding port is fixedly connected to the rear side of the bottom end of the conveying box, a discharging pipe is fixedly connected to the front side of the upper end of the conveying box, a second feeding port is formed in the middle of the top end of the shell, a guide plate is fixedly connected to the left end of the lower surface of the top of the shell, and fixing blocks are fixedly connected to the front side and the rear side of the upper end in the shell. An electromagnet is rotatably connected to the upper end of the fixing block, an automatic telescopic rod is rotatably connected to the middle of the interior of the shell, and discharging openings are formed in the left side and the right side of the shell correspondingly. According to the magnetic separation device for recycling the steel slag, the filter screen is convenient to disassemble, the steel slag can be magnetically separated more cleanly and thoroughly through two-shifting screening, and the magnetically separated steel slag is convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field related to steel slag recovery, in particular to a magnetic separation device for steel slag recovery. Background Art

[0002] Steel slag is a kind of industrial solid waste, which is the slag discharged from steelmaking. It is divided into converter slag, open-hearth slag and electric furnace slag according to the furnace type. It is mainly composed of calcium, iron, silicon, magnesium and a small amount of oxides of aluminum, manganese, phosphorus, etc. Steel slag is formed at a temperature of 1500-1700℃. It is liquid at high temperature and becomes blocky after slow cooling. It is generally dark gray or dark brown. At present, when recycling steel slag, magnetic separation equipment is usually needed to recycle steel slag.

[0003] The existing magnetic separation device for steel slag recovery has the problem of inconvenient replacement of the filter screen. For example, the Chinese invention patent application with application publication number CN113578525A discloses a magnetic separation device for steel slag recovery, which can effectively perform secondary magnetic separation on the steel slag, so as to facilitate more thorough magnetic separation of the steel slag. The steel slag after the secondary magnetic separation enters the second collecting tank through the coordinated use of the second scraper plate and the second discharge port, so as to facilitate the collection of the steel slag after the magnetic separation, which is beneficial to improve the working efficiency of the device. However, this device is not convenient for replacing the filter screen. Therefore, we propose a magnetic separation device for steel slag recovery to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a magnetic separation device for steel slag recovery, so as to solve the problem that the existing magnetic separation device for steel slag recovery mentioned in the above background technology is inconvenient to replace the filter screen.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic separation device for steel slag recovery, comprising a shell, an electromagnet, a collection box and an ash receiving box, a conveying box is fixedly connected to the middle of the rear side of the shell, and a motor is fixedly connected to the top of the conveying box, the output shaft of the motor is fixedly connected to a spiral conveying rod, a first feed port is fixedly connected to the rear side of the bottom end of the conveying box, and a discharge pipe is fixedly connected to the front side of the upper end of the conveying box, a second feed port is opened in the middle of the top end of the shell, and a guide plate is fixedly connected to the left end of the top lower surface of the shell;

[0006] The front and rear sides of the inner upper end of the shell are fixedly connected with fixed blocks, and the upper end of the fixed block is rotatably connected with an electromagnet, the inner middle part of the shell is rotatably connected with an automatic telescopic rod, and the left and right sides of the shell are provided with discharge ports, and the inner right upper end of the shell is fixedly connected with a baffle, a collecting box is installed on the upper end of the right middle piece of the shell, an ash receiving box is snap-connected at the lower end of the right middle part of the shell, and a filter screen is slidably connected to the left end of the ash receiving box, and a suction pump is fixedly connected to the right side of the ash receiving box, and a dustproof net is fixedly connected to the suction port of the suction pump, and a receiving box is installed at the right bottom end of the shell.

[0007] Preferably, the front bottom end of the discharge pipe is directly above the second feed port.

[0008] Preferably, the output end of the automatic telescopic rod is rotatably connected to the left bottom end of the electromagnet.

[0009] Preferably, the outer lower ends of the discharge ports opened on the left and right sides of the shell are fixedly connected with collection boxes.

[0010] Preferably, the upper end of the collecting box is parallel to the bottom end of the discharge port.

[0011] Preferably, a platform is fixedly mounted at the bottom end of the middle portion of the right side of the shell, and the bottom surface of the ash receiving box fits with the platform on the right side of the shell.

[0012] Preferably, a discharge port is provided on the right side of the bottom end of the shell, and the upper surface of the material receiving box is parallel to the bottom end of the discharge port on the right side of the bottom end of the shell.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the magnetic separation device for steel slag recovery is convenient for disassembling the filter screen, and after two rounds of screening, the steel slag can be magnetically separated more cleanly and thoroughly, and the steel slag separated by the magnetic separation can be conveniently unloaded;

[0014] 1. A hole is opened in the middle of the right side of the shell, and an ash box is connected in the hole. A hole is opened in the left wall of the ash box, and a filter is slidably connected inside the left wall of the ash box. A groove is opened in the middle of the upper end of the filter, and a rod is fixedly connected to the upper end of the groove to facilitate the removal of the filter;

[0015] 2. The slag enters from the second feed port and falls onto the upper electromagnet. After the first wave of magnetic separation, the remaining slag falls from the left side of the upper electromagnet to the lower electromagnet and undergoes the second wave of screening. After two rounds of screening, the slag magnetic separation can be cleaner and more thorough.

[0016] 3. The electromagnet is rotatably connected to the fixed block, and the bottom left end of the electromagnet is rotatably connected to the output end of the automatic telescopic rod. The output end of the automatic telescopic rod is extended and retracted, and the tilt direction of the electromagnet is changed. The power of the electromagnet is turned off, and the slag slides directly from the electromagnet into the collection box, which is convenient for unloading the magnetically selected slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0018] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the utility model in a top view and cutaway structure;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. shell; 2. conveying box; 3. motor; 4. spiral conveying rod; 5. first feed port; 6. discharge pipe; 7. second feed port; 8. guide plate; 9. fixing block; 10. electromagnet; 11. automatic telescopic rod; 12. discharge port; 13. baffle; 14. collection box; 15. ash collecting box; 16. filter screen; 17. suction pump; 18. dustproof net; 19. collection box. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a magnetic separation device for steel slag recovery, comprising a shell 1, a conveying box 2, a motor 3, a spiral conveying rod 4, a first feed port 5, a discharge pipe 6, a second feed port 7, a guide plate 8, a fixing block 9, an electromagnet 10, an automatic telescopic rod 11, a discharge port 12, a baffle 13, a collecting box 14, an ash receiving box 15, a filter screen 16, a suction pump 17, a dustproof net 18 and a receiving box 19.

[0024] A conveying box 2 is fixedly connected to the middle of the rear side of the housing 1. Figure 2As shown, the top of the conveying box 2 is fixedly connected with a motor 3, the output end of the motor 3 passes through the top of the conveying box 2, the output end of the motor 3 is fixedly connected with a spiral conveying rod 4 inside the conveying box 2, the outer side of the spiral conveying rod 4 is in contact with the inner side of the conveying box 2, the bottom rear side of the conveying box 2 is fixedly connected with a first feed port 5, the upper front side of the conveying box 2 is fixedly connected with a discharge pipe 6, the bottom front side of the discharge pipe 6 is provided with a hole, and the middle part of the upper end of the shell 1 is provided with a second feed port 7, the slag enters the conveying box 2 from the first feed port 5, the motor 3 runs, the output shaft of the motor 3 rotates with the spiral conveying rod 4, the slag is transported upward through the spiral conveying rod 4, and the slag is put into the shell 1 from the discharge pipe 6, and the left side of the top inner part of the shell 1 is fixedly connected with a guide plate 8;

[0025] like Figure 1 As shown, the front and rear sides of the upper inner end of the shell 1 are fixedly connected with a fixing block 9, the upper end of the fixing block 9 is rotatably connected with an electromagnet 10, the front and rear sides of the electromagnet 10 are fitted with the inner side surface of the shell 1, the rear side of the middle inner part of the shell 1 is fixedly connected with a table, the front upper end of the rear inner table of the shell 1 is fixedly connected with an automatic telescopic rod 11, the output end of the automatic telescopic rod 11 is rotatably connected to the left bottom of the electromagnet 10, when the output end of the automatic telescopic rod 11 is in a retracted state, the left end of the upper electromagnet 10 is at the bottom and the right end is at the top, when the output end of the automatic telescopic rod 11 is extended, the left end of the electromagnet 10 is at the top and the right end is at the bottom, a discharge port 12 is provided at the upper right end of the shell 1, a baffle 13 is fixedly connected to the upper right end of the shell 1, The end is extended out, the left end of the electromagnet 10 is lifted up, the right end of the electromagnet 10 is at the bottom, the right end bottom of the electromagnet 10 is on the upper surface of the baffle 13, the power supply connected to the electromagnet 10 is cut off, so that the magnetic force of the electromagnet 10 disappears, and the steel slag adsorbed on the electromagnet 10 is discharged from the discharge port 12, a table is installed at the upper right end of the shell 1, and a collecting box 14 is installed on the upper surface of the table at the upper right end of the shell 1, the upper surface of the collecting box 14 is parallel to the lower surface of the discharge port 12, and the steel slag discharged from the discharge port 12 is collected in the collecting box 14, and the fixed block 9, the electromagnet 10, the automatic telescopic rod 11, the discharge port 12, the baffle 13 and the collecting box 14 are symmetrically installed on the center line of the upper and lower ends of the shell 1. This device can make the steel slag be magnetically separated by the electromagnet 10 twice up and down;

[0026] A hole is provided at the lower middle end of the right side of the shell 1, and an ash receiving box 15 is snap-connected in the hole in the middle of the right side of the shell 1. A hole is provided on the left side wall of the ash receiving box 15, and a filter screen 16 is slidably connected to the inside of the left side wall of the ash receiving box 15. A groove is provided at the upper end of the filter screen 16, and a rod is fixedly connected to the top of the inner top of the groove at the upper end of the filter screen 16. The rod is held and the filter screen 16 is pulled upward to remove the filter screen 16 from the ash receiving box 15. A platform is fixedly connected to the lower right end of the shell 1, and the bottom surface of the ash receiving box 15 is placed on the platform at the bottom end of the right side of the shell 1. A suction pump 17 is fixedly connected to the right side of the ash receiving box 15, and the suction of the suction pump 17 The suction port is connected to the ash receiving box 15, and the suction port of the suction pump 17 is fixedly connected with a dustproof net 18. The suction pump 17 sucks the dust and debris generated in the process of magnetic separation of steel slag into the ash receiving box 15. The filter net 16 filters the dust and debris to prevent the steel slag from being sucked into the ash receiving box 15. A discharge port 12 is also opened on the right side of the bottom end of the shell 1, and a receiving box 19 is installed at the right bottom end of the shell 1. The top surface of the receiving box 19 is parallel to the bottom surface of the discharge port 12 at the right bottom end of the shell 1. The remaining impurities in the steel slag after filtering are collected in the receiving box 19. The four corners of the bottom end of the receiving box 19 are fixedly connected with wheels to facilitate the movement of the receiving box 19

[0027] First, the power supply of the electromagnet 10 is started to generate magnetic force, and the slag is put into the conveying box 2 from the first feed port 5, and the slag is conveyed upward through the conveying box 2 to the inside of the shell 1. The slag is guided by the guide plate 8 so that the slag falls on the upper electromagnet 10, and the remaining material falls on the lower electromagnet 10. After the second magnetic separation, the remaining material after the magnetic separation is discharged into the receiving box 19. After one wave of magnetic separation, the conveying is stopped, and the automatic telescopic rod 11 is automatically extended so that the output end of the automatic telescopic rod 11 lifts the inner end of the electromagnet 10. , the outer side of the electromagnet 10 is at the bottom, the power connected to the electromagnet 10 is turned off, and the metal magnetically separated slides into the collection box 14 on the outside. During the magnetic separation process, the suction pump 17 sucks the dust and debris. After the dust and debris fill the ash box 15, the ash box 15 is pulled out to the right, the dust and debris are disposed of, the filter screen 16 is removed and cleaned, and then the filter screen 16 and the ash box 15 are installed back. The above completes a series of operations of the magnetic separation device for slag recovery. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0028] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A magnetic separation device for steel slag recovery, comprising a housing (1), an electromagnet (10), a collecting box (14) and an ash receiving box (15), characterized in that: A conveying box (2) is fixedly connected to the middle of the rear side of the shell (1), and a motor (3) is fixedly connected to the top of the conveying box (2), and the output shaft of the motor (3) is fixedly connected to a spiral conveying rod (4), a first feed port (5) is fixedly connected to the rear side of the bottom end of the conveying box (2), and a discharge pipe (6) is fixedly connected to the front side of the upper end of the conveying box (2), a second feed port (7) is opened in the middle of the top end of the shell (1), and a guide plate (8) is fixedly connected to the left end of the lower surface of the top of the shell (1); The front and rear sides of the upper inner end of the shell (1) are fixedly connected to a fixing block (9), and the upper end of the fixing block (9) is rotatably connected to an electromagnet (10), the middle inner part of the shell (1) is rotatably connected to an automatic telescopic rod (11), and the left and right sides of the shell (1) are provided with a discharge port (12), and the upper right end of the inner part of the shell (1) is fixedly connected to a baffle plate (13), the lower right middle end of the shell (1) is snap-connected to an ash receiving box (15), and the left end of the ash receiving box (15) is slidably connected to a filter screen (16), and the right side of the ash receiving box (15) is fixedly connected to a suction pump (17), and the suction port of the suction pump (17) is fixedly connected to a dustproof net (18), and the right bottom end of the shell (1) is equipped with a material receiving box (19).

2. A magnetic separation device for steel slag recovery according to claim 1, characterized in that: The front bottom end of the discharge pipe (6) is directly above the second feed port (7).

3. A magnetic separation device for steel slag recovery according to claim 1, characterized in that: The output end of the automatic telescopic rod (11) is rotatably connected to the left bottom end of the electromagnet (10).

4. A magnetic separation device for steel slag recovery according to claim 1, characterized in that: The lower ends of the outer sides of the discharge ports (12) opened on the left and right sides of the housing (1) are fixedly connected to collection boxes (14).

5. The magnetic separation device for steel slag recovery according to claim 1, characterized in that: The upper end of the collecting box (14) is parallel to the bottom end of the discharge port (12).

6. A magnetic separation device for steel slag recovery according to claim 1, characterized in that: A platform is fixedly mounted at the bottom end of the middle portion of the right side of the shell (1), and the bottom surface of the ash receiving box (15) fits the platform on the right side of the shell (1).

7. A magnetic separation device for steel slag recovery according to claim 1, characterized in that: A discharge port (12) is provided on the right side of the bottom end of the shell (1), and the upper surface of the material receiving box (19) is parallel to the bottom end of the discharge port (12) on the right side of the bottom end of the shell (1).

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