Screening device for ironmaking water quenching slag treatment
By introducing a detachable screen and crushing box into the molten iron slag treatment device, the problems of fixed filter screens and large material handling were solved, thereby improving screening efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-04-07
AI Technical Summary
The existing screening devices for treating quenched slag in ironmaking have fixed filter screens that cannot be easily disassembled, making maintenance complex and unable to handle large pieces of material, which increases manual intervention and processing costs.
The design features a detachable screen disc connected to an electric push rod via a flexible snap-fit mechanism, and is equipped with a crushing box and crushing rollers. This allows for quick disassembly of the screen disc and crushing of large materials, improving screening efficiency and accuracy.
It enables rapid disassembly of the screen and crushing of large materials, improving work efficiency and resource recycling efficiency, reducing maintenance costs, and ensuring the uniformity and accuracy of the screening process.
Smart Images

Figure CN224086865U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water-quenched slag treatment technology, specifically a screening device for treating water-quenched slag in ironmaking. Background Technology
[0002] Existing screening devices for treating molten iron slag are mainly used to classify and grade the slag. Through internal screens, the slag can be separated into different grades based on particle size for subsequent processing or use. For example, large particles can be used as building fillers, while fine particles can be used in other industrial applications.
[0003] Existing screening devices for treating molten iron slag typically have their filters fixed inside the device, making them difficult to disassemble. This increases the complexity and time cost of maintenance. Once the filters become clogged or damaged, maintenance personnel need to invest more time and labor to resolve the issue. Furthermore, the devices lack the ability to crush large pieces of material. During the screening process, large pieces and particles cannot pass through the screen, and after screening, these large pieces usually need to be manually removed from the screen, or the larger particles above the screen need to be screened again. The additional manual intervention required to handle large pieces of material increases the overall processing cost. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a screening device for treating quenched slag in ironmaking. The screen disc is directly inserted into the inside of the box through a through hole. The screen disc is connected to the electric push rod by an elastic buckle and a connecting piece, which can realize quick disassembly of the screen disc to remove the internal material or replace the screen disc, greatly increasing the work efficiency. Through the set crushing box, the internal crushing roller can crush large pieces of material in the quenched slag. After crushing the large pieces of material into smaller particles, it helps to better separate and classify them, thereby improving the efficiency of resource recovery and utilization. After crushing, the material is evenly sprinkled on the screen disc by the push plate, which helps to ensure the uniform distribution of material during the screening process, thereby improving the accuracy and efficiency of screening.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a screening device for treating quenched slag in ironmaking, comprising: a box body, a feed hopper connected to the upper surface of the box body, a discharge hopper connected to the lower surface of the box body, two through holes provided on the box body, a screen plate movably connected to the inner surface of the two through holes, an outer shell fixedly connected to the side surface of the box body, the outer shell being located in front of any through hole, an electric push rod fixedly connected to the inner surface of the outer shell, a connecting piece fixedly connected to the other end of the electric push rod, the connecting piece being movably connected to the screen plate, an elastic buckle fixedly connected to the side surface of the screen plate, the elastic buckle being movably connected to the connecting piece, a bracket fixedly connected to the inner surface of the box body, a crushing box fixedly connected to the lower surface of the bracket, multiple discharge ports provided on the crushing box, a motor fixedly connected to the inner surface of the bracket, a rotating rod fixedly connected to the output end of the motor, multiple crushing rollers fixedly connected to the side surface of the rotating rod, and a push plate fixedly connected to the lower end of the rotating rod.
[0008] As a preferred embodiment of this utility model, a support leg is fixedly connected to the lower surface of the box, and a reinforcing rod is fixedly connected to the side surface of the support leg.
[0009] As a preferred embodiment of this utility model, the lower surface of the support leg is rotatably connected to a rotating shaft, and the side surface of the rotating shaft is fixedly connected to a connecting frame.
[0010] As a preferred embodiment of this utility model, a rotating wheel is rotatably connected to the inner surface of the connecting frame, and an anti-slip sleeve is fixedly connected to the outer surface of the rotating wheel.
[0011] As a preferred embodiment of this utility model, a frame is connected through the side surface of the box, and a viewing window is fixedly connected to the inner wall of the frame.
[0012] As a preferred embodiment of this utility model, a protective shell is fixedly connected to the upper surface of the bracket, and the motor is located below the protective shell.
[0013] As a preferred embodiment of this utility model, a cover plate is movably connected to the upper surface of the feed hopper.
[0014] As a preferred embodiment of this utility model, a handle is fixedly connected to the side surface of the sieve disc, and an anti-slip pad is fixedly connected to the outer surface of the handle.
[0015] Compared with the prior art, this utility model provides a screening device for treating quenched slag in ironmaking, which has the following advantages:
[0016] 1. Compared with the existing technology, the screening device for treating quenched slag in ironmaking has a screen plate that is directly inserted into the inside of the box through a through hole. The screen plate is connected to the electric push rod by an elastic buckle and a connecting piece, which can realize the quick disassembly of the screen plate to remove the internal material or replace the screen plate, greatly increasing the work efficiency.
[0017] 2. Compared with existing technologies, this screening device for treating quenched slag in ironmaking, through its crushing box, can use internal crushing rollers to break up large pieces of material in the quenched slag. Breaking the large pieces into smaller particles helps to better separate and classify them, thereby improving the efficiency of resource recovery and utilization. After crushing, the material is evenly sprinkled onto the screen plate by the pusher plate, which helps to ensure uniform material distribution during the screening process, thereby improving the accuracy and efficiency of screening. Attached Figure Description
[0018] Figure 1 This is a front view structural diagram of a screening device for treating quenched slag in ironmaking according to the present invention;
[0019] Figure 2 This is a front cross-sectional view of a screening device for treating quenched slag in ironmaking according to the present invention.
[0020] Figure 3 This is a top cross-sectional view of a screening device for treating quenched slag in ironmaking according to the present invention.
[0021] Figure 4 This is a left-side structural view of a screening device for treating quenched slag in ironmaking, according to the present invention.
[0022] The components are as follows: 1. Feed hopper; 2. Box body; 3. Frame; 4. Viewing window; 5. Support leg; 6. Reinforcing rod; 7. Rotating shaft; 8. Connecting frame; 9. Cover plate; 10. Through hole; 11. Outer shell; 12. Electric push rod; 13. Connecting piece; 14. Elastic buckle; 15. Anti-slip sleeve; 16. Rotating wheel; 17. Protective shell; 18. Motor; 19. Crushing box; 20. Push plate; 21. Discharge port; 22. Feed hopper; 23. Support; 24. Rotating rod; 25. Crushing roller; 26. Screen plate; 27. Handle; 28. Anti-slip mat. Detailed Implementation
[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0024] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] Reference Figure 1-4 This utility model discloses a screening device for treating quenched slag in ironmaking, comprising: a box body 2 for screening quenched slag inside; a support leg 5 fixedly connected to the lower surface of the box body 2; a reinforcing rod 6 fixedly connected to the side surface of the support leg 5; a rotating shaft 7 rotatably connected to the lower surface of the support leg 5; a connecting frame 8 fixedly connected to the side surface of the rotating shaft 7; a rotating wheel 16 rotatably connected to the inner surface of the connecting frame 8; an anti-slip sleeve 15 fixedly connected to the outer surface of the rotating wheel 16; a frame 3 penetratingly connected to the side surface of the box body 2; a viewing window 4 fixedly connected to the inner wall of the frame 3; and a feeding hopper 1 connected to the upper surface of the box body 2 for feeding materials.
[0027] A cover plate 9 is movably connected to the upper surface of the feed hopper 1, and a discharge hopper 22 is connected to the lower surface of the box body 2 for discharging material. Two through holes 10 are provided on the box body 2 for inserting a screen plate 26. The screen plate 26 is movably connected to the inner surface of the two through holes 10 for screening water-quenched slag. A handle 27 is fixedly connected to the side surface of the screen plate 26, and an anti-slip pad 28 is fixedly connected to the outer surface of the handle 27. An outer shell 11 is fixedly connected to the side surface of the box body 2 for connecting an electric push rod 12. The outer shell 11 is located in front of any of the through holes 10, and an electric push rod 12 is fixedly connected to the inner surface of the outer shell 11 for repeatedly pushing the screen plate 26, thereby screening the water-quenched slag above.
[0028] The other end of the electric push rod 12 is fixedly connected to a connecting piece 13, which is movably connected to the screen plate 26. The side surface of the screen plate 26 is fixedly connected to an elastic buckle 14 for connecting the electric push rod 12 and the screen plate 26. The elastic buckle 14 is movably connected to the connecting piece 13. The inner surface of the box 2 is fixedly connected to a bracket 23. The upper surface of the bracket 23 is fixedly connected to a protective shell 17. The motor 18 is located below the protective shell 17. The lower surface of the bracket 23 is fixedly connected to a crushing box 19 for crushing large pieces of material inside. The crushing box 19 is provided with multiple discharge ports 21 for discharging the crushed material. The inner surface of the bracket 23 is fixedly connected to a motor 18. The output end of the motor 18 is fixedly connected to a rotating rod 24. The side surface of the rotating rod 24 is fixedly connected to multiple crushing rollers 25 for crushing large pieces of material. The lower end of the rotating rod 24 is fixedly connected to a push plate 20 for pushing material out of the crushing box 19.
[0029] Working principle: When in use, open the cover plate 9 and add the water-quenched slag material from the feed hopper 1 into the box 2. The water-quenched slag will first enter the crushing box 19. The motor 18 drives the rotating rod 24 and the push plate 20 to rotate, thereby crushing the large pieces of material in the water-quenched slag. The material is then pushed out by the push plate 20 and falls into the screen plate 26. The electric push rod 12 repeatedly pushes the screen plate 26 to screen the water-quenched slag inside, discharging the smaller particles and leaving the larger particles in the screen plate 26. After screening, the elastic buckles 14 on both sides are released to unlock the connecting piece 13. Then the screen plate 26 can be pulled out from the through hole 10.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A screening device for treating quenched slag in ironmaking, characterized in that, include: The box (2) has a feed hopper (1) connected to its upper surface and a discharge hopper (22) connected to its lower surface. The box (2) has two through holes (10) and a screen plate (26) movably connected to the inner surfaces of the two through holes (10). An outer shell (11) is fixedly connected to the side surface of the box (2). The outer shell (11) is located in front of any of the through holes (10). An electric push rod (12) is fixedly connected to the inner surface of the outer shell (11). A connecting piece (13) is fixedly connected to the other end of the electric push rod (12). The connecting piece (13) is movably connected to the screen plate (26). The side surface of the screen plate (26) is fixedly connected to an elastic buckle (14), the elastic buckle (14) is movably connected to the connecting piece (13), the inner surface of the box (2) is fixedly connected to a bracket (23), the lower surface of the bracket (23) is fixedly connected to a crushing box (19), the crushing box (19) is provided with multiple discharge ports (21), the inner surface of the bracket (23) is fixedly connected to a motor (18), the output end of the motor (18) is fixedly connected to a rotating rod (24), the side surface of the rotating rod (24) is fixedly connected to multiple crushing rollers (25), and the lower end of the rotating rod (24) is fixedly connected to a push plate (20).
2. The screening device for treating quenched slag in ironmaking according to claim 1, characterized in that, The lower surface of the box (2) is fixedly connected to a support leg (5), and the side surface of the support leg (5) is fixedly connected to a reinforcing rod (6).
3. A screening device for treating quenched slag in ironmaking according to claim 2, characterized in that, The lower surface of the support leg (5) is rotatably connected to a rotating shaft (7), and the side surface of the rotating shaft (7) is fixedly connected to a connecting frame (8).
4. A screening device for treating quenched slag in ironmaking according to claim 3, characterized in that, The inner surface of the connecting frame (8) is rotatably connected to a rotating wheel (16), and the outer surface of the rotating wheel (16) is fixedly connected to an anti-slip sleeve (15).
5. A screening device for treating quenched slag in ironmaking according to claim 1, characterized in that, A frame (3) is connected through the side surface of the box (2), and a viewing window (4) is fixedly connected to the inner wall of the frame (3).
6. A screening device for treating quenched slag in ironmaking according to claim 1, characterized in that, The upper surface of the bracket (23) is fixedly connected to the protective shell (17), and the motor (18) is located below the protective shell (17).
7. A screening device for treating quenched slag in ironmaking according to claim 1, characterized in that, The upper surface of the feed hopper (1) is movably connected to a cover plate (9).
8. A screening device for treating quenched slag in ironmaking according to claim 1, characterized in that, A handle (27) is fixedly connected to the side surface of the sieve disc (26), and an anti-slip pad (28) is fixedly connected to the outer surface of the handle (27).