Screening device for solid waste
By integrating crushing rollers and screening plates into a solid waste screening device, the problems of increased energy consumption and land occupation caused by traditional separation devices are solved, achieving efficient screening and automated conveying, and improving screening accuracy and safety.
Patent Information
- Application Number
- CN202422810937.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Traditional solid waste screening equipment is separate, which increases the floor space and energy consumption, and makes it difficult to achieve efficient screening of complex waste.
It integrates crushing rollers and screening plates, and is equipped with slide rails and slide bars, sliders and magnet boxes. The conveyor belt automatically transports the crushing rollers, the screening plates are adjustable, and the crushing rollers are covered with wear-resistant material.
It improves screening accuracy and efficiency, reduces maintenance difficulty and cost, enhances automation level, and ensures operational safety.
Smart Images
Figure CN223491123U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solid waste treatment technology, specifically to a screening device for solid waste. Background Technology
[0002] As is well known, in the existing field of solid waste treatment, efficient and accurate screening is a key link to improve resource recycling rate and reduce environmental pollution. Traditional solid waste screening devices often have many shortcomings, which seriously restrict the effect and efficiency of solid waste treatment.
[0003] Specifically, in traditional screening devices, the crushing equipment is often separate from the screening equipment, requiring additional conveying equipment to transport the crushed waste to the screening equipment. This not only increases the footprint of the equipment but also increases energy consumption and operating costs. Furthermore, it usually adopts a single screening method, which is often difficult to achieve the ideal screening effect for solid waste with a wide particle size distribution and complex composition. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] In view of the shortcomings of the existing technology, this utility model provides a screening device for solid waste.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a screening device for solid waste, comprising a processing box, crushing rollers, and a screening plate. The processing box has a cavity, and openings are provided on both the upper and lower side walls of the processing box, communicating with the cavity. The crushing rollers are symmetrically arranged and adapted to the upper end of the cavity. A first motor is installed on one side wall of the processing box, and the shaft of one of the crushing rollers passes through the side wall of the processing box and is connected to the output end of the first motor. The two crushing rollers are connected by a connecting belt. The screening plate... Multiple sieve plates are arranged in groups at the lower end of the cavity. The bottom wall of the sieve plate is provided with sieve holes, which are arranged from large to small. Sliding strips are provided on both side walls of the sieve plate. Multiple sets of symmetrical sliding tracks are provided on the inner side wall of the cavity. The sliding strips pass through the sliding tracks and are slidably connected to them. Multiple auxiliary openings are provided on the front side wall of the processing box. The auxiliary openings are connected to the cavity. The sieve plate is adapted to and slidably connected to the auxiliary openings. Symmetrical baffles are provided on both sides of the opening at the upper end. A conveyor frame is provided at one end of the baffle, and a conveyor belt is provided inside the conveyor frame.
[0008] To allow for flexible adjustment of the magnet box's position, this utility model includes the following improvements: symmetrical connecting rods are provided on the upper side wall of the conveying frame; symmetrical limiting plates are provided at the upper ends of the connecting rods; the limiting plates connect two connecting rods; a rotating rod and a slider are provided between the two limiting plates; the rotating rod passes through the two connecting rods; the slider is on the connecting rod and threadedly connected to it; the limiting plates are fitted and slidably connected to the side walls of the slider; and a magnet box is provided at the lower end of the slider.
[0009] To achieve automated adjustment of the magnet box position, this utility model has the following improvement: a second motor is provided on the outer wall of one of the connecting rods, and the rotating rod passes through the connecting rod and is connected to the output end of the second motor.
[0010] To facilitate operators in quickly removing or inserting the sieve plate, the present invention is improved by providing a handle on the front and side walls of the sieve plate.
[0011] To ensure the stability and safety of the device during operation, the present invention includes the following improvements: support rods are provided at the four corners of the bottom wall of the processing box, and the bottom wall of the support rods is provided with anti-slip texture.
[0012] To enable waste materials to enter the conveyor belt more smoothly, the present invention is improved by providing a feeding plate at one end of the conveyor frame, the feeding plate being adapted to the conveyor belt.
[0013] To make the sieve plate slide more smoothly, the present invention improves upon this invention by making the slide bar and the slide rail in a damped sliding connection.
[0014] To improve the wear resistance and service life of the crushing roller, the present invention includes the following improvement: the surface of the crushing roller is covered with a wear-resistant material.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, this utility model provides a screening device for solid waste, which has the following beneficial effects:
[0017] This solid waste screening device is equipped with crushing rollers, which can quickly crush solid waste into particles suitable for screening, laying a good foundation for subsequent screening processes. It also features a separating screen, allowing waste to be screened step-by-step through different particle size openings, ensuring effective separation of each particle size and improving screening accuracy and purity, while also increasing screening efficiency. Through slides and sliders, the sliders can pass through or detach from the slides, allowing the screening plate to be easily pulled out or inserted, facilitating cleaning, replacement, or maintenance by operators and reducing maintenance difficulty and costs. A conveyor belt automatically transports the crushed waste to the screening plate for screening, reducing manual intervention and improving the automation level of the device. Simultaneously, the presence of baffles effectively prevents waste from splashing out during screening, ensuring a safe operating environment. Attached Figure Description
[0018] Figure 1 This is a first-view schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a second-view schematic diagram of the structure of this utility model;
[0020] Figure 3 This is a third-view schematic diagram of the structure of this utility model;
[0021] Figure 4 This is a schematic diagram of the internal cross-section of the processing box of this utility model.
[0022] In the diagram: 1. Processing box; 2. Support rod; 3. Screening plate; 4. Handle; 5. Baffle; 6. Conveying frame; 7. Conveying belt; 8. Feed plate; 9. Second motor; 10. Connecting rod; 11. Magnet box; 12. Limiting plate; 13. Rotating rod; 14. Slider; 15. Crushing roller; 16. First motor; 17. Connecting belt; 18. Slide rail; 19. Slide bar. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4A screening device for solid waste includes a processing box 1, crushing rollers 15, and a screening plate 3. The processing box 1 has a cavity, and openings are provided on both its upper and lower side walls, communicating with the cavity. The crushing rollers 15 are symmetrically arranged at the upper end of the cavity and adapted to it. A first motor 16 is installed on one side wall of the processing box 1. The shaft of one of the crushing rollers 15 passes through the side wall of the processing box 1 and is connected to the output end of the first motor 16. Two crushing rollers 15 are connected by a connecting belt 17. The screening plate 3 is arranged in multiple groups at the lower end of the cavity. The bottom wall of the screening plate 3 has screening holes arranged from large to small. Sliding strips 19 are provided on both side walls of the screening plate 3. Multiple sets of symmetrical sliding tracks 18 are provided on the inner side wall of the cavity. The sliding strips 19 pass through the sliding tracks 18 and are slidably connected to them. Multiple auxiliary openings are provided on the front side wall of the processing box 1, communicating with the cavity. The screening plate 3 and... The auxiliary port is adapted and slidably connected. Symmetrical baffles 5 are provided on both sides of the upper opening. A conveyor frame 6 is provided at one end of the baffle 5. A conveyor belt 7 is provided inside the conveyor frame 6. Symmetrical connecting rods 10 are provided on the upper side wall of the conveyor frame 6. Symmetrical limiting plates 12 are provided at the upper end of the connecting rods 10. The limiting plates 12 connect the two connecting rods 10. A rotating rod 13 and a slider 14 are provided between the two limiting plates 12. The rotating rod 13 passes through the two connecting rods 10. The slider 14 is on the connecting rod 10 and threadedly connected to it. The limiting plates 12 are in contact with and slidably connected to the two side walls of the slider 14. A magnet box 11 is provided at the lower end of the slider 14. A second motor 9 is provided on the outer side wall of one of the connecting rods 10. The rotating rod 13 passes through the connecting rod 10 and is connected to the output end of the second motor 9. A handle 4 is provided on the front side wall of the sieve plate 3. The slide bar 19 is damped and slidably connected to the slide rail 18.
[0025] During use, solid waste is placed at one end of conveyor belt 7, and the conveyor belt 7 is started to move the fixed waste to the lower end of the magnetic box 11. The second motor 9 is started, and the output of the second motor 9 drives the rotating rod 13 to rotate. Under the restriction of the limiting plate 12, the slider 14 moves with the rotation of the rotating rod 13, driving the magnetic box 11 to move. The magnetic box 11 can attract metal products from the fixed waste, improving the purity of the waste. Then the conveyor belt 7 brings it to the opening, and the first motor 16 is started. The output of the first motor 16 drives the crushing roller 15 to rotate. The two crushing rollers 15 are driven to start rotating through the connecting belt 17. The input solid waste is crushed into smaller particles under the action of the crushing rollers 15, and these crushed wastes will fall off. At the bottom of the cavity, the screening plate 3 has screening holes of different sizes on its bottom wall. A vibrator can be installed on the screening plate 3 so that the waste material is screened through the screening holes step by step under the action of gravity and vibration. Larger waste material will be blocked by the upper screening plate 3, while smaller waste material will fall to the next screening plate 3 through the screening holes. After screening and impurity removal, the waste material is discharged from the processing box 1 through the opening at the bottom for subsequent collection and processing. Finally, pull the handle 4, and the slide bar 19 slides in the slide rail 18, which moves the screening plate 3. It can be disassembled to facilitate the processing of the waste material on the screening plate 3. After processing, align the slide bar 19 with the slide rail 18 and forcefully push the slide bar 19 through the slide rail 18 for installation.
[0026] In actual use, it is necessary to increase the friction between the support rod 2 and the ground to prevent the device from sliding or tipping over. In order to meet the above requirements, in this embodiment, support rods 2 are provided at the four corners of the bottom wall of the processing box 1, and the bottom wall of the support rod 2 is provided with anti-slip texture.
[0027] In actual use, it is necessary to reduce the accumulation and spillage of waste materials. In order to meet the above requirements, in this embodiment, a feeding plate 8 is provided at one end of the conveyor frame 6, and the feeding plate 8 is adapted to the conveyor belt 7.
[0028] In practical use, the crushing roller 15 needs to be able to better handle waste materials of various hardness and particle size. In order to meet the above requirements, in this embodiment, the surface of the crushing roller 15 is covered with a wear-resistant material.
[0029] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.
[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 solid waste, comprising a processing box (1), a crushing roller (15), and a screening plate (3), characterized in that: The processing box (1) is provided with a cavity. Openings are provided on both the upper and lower side walls of the processing box (1), and these openings communicate with the cavity. Crushing rollers (15) are symmetrically arranged at the upper end of the cavity and adapted to it. A first motor (16) is provided on one side wall of the processing box (1). The shaft inside one of the crushing rollers (15) passes through the side wall of the processing box (1) and is connected to the output end of the first motor (16). Two crushing rollers (15) are connected by a connecting belt (17). Multiple sets of screening plates (3) are arranged at the lower end of the cavity. The bottom wall of the screening plates (3) is provided with… The sieving holes are arranged from large to small. The two side walls of the sieving plate (3) are provided with slide bars (19). The inner side wall of the cavity is provided with multiple sets of symmetrical slides (18). The slide bars (19) pass through the slides (18) and are slidably connected to them. The front side wall of the processing box (1) is provided with multiple auxiliary ports. The auxiliary ports are connected to the cavity. The sieving plate (3) is adapted to the auxiliary ports and is slidably connected. The upper opening is provided with symmetrical baffles (5) on both sides. One end of the baffle (5) is provided with a conveyor frame (6). The conveyor frame (6) is provided with a conveyor belt (7).
2. The screening device for solid waste according to claim 1, characterized in that: The upper sidewall of the conveying frame (6) is provided with symmetrical connecting rods (10), and the upper end of the connecting rods (10) is provided with symmetrical limiting plates (12). The limiting plates (12) connect the two connecting rods (10). A rotating rod (13) and a slider (14) are provided between the two limiting plates (12). The rotating rod (13) passes through the two connecting rods (10). The slider (14) is on the connecting rod (10) and is threadedly connected to it. The limiting plates (12) are in contact with and slidably connected to the two sidewalls of the slider (14). A magnet box (11) is provided at the lower end of the slider (14).
3. A screening device for solid waste according to claim 2, characterized in that: A second motor (9) is provided on the outer wall of one of the connecting rods (10), and the rotating rod (13) passes through the connecting rod (10) and is connected to the output end of the second motor (9).
4. A screening device for solid waste according to claim 3, characterized in that: The sieve plate (3) is provided with a handle (4) on its front and side walls.
5. A screening device for solid waste according to claim 4, characterized in that: The processing box (1) has support rods (2) at the four corners of its bottom wall, and the bottom wall of the support rods (2) has anti-slip texture.
6. A screening device for solid waste according to claim 5, characterized in that: The conveyor frame (6) is provided with a feed plate (8) at one end, and the feed plate (8) is adapted to the conveyor belt (7).
7. A screening device for solid waste according to claim 6, characterized in that: The slide bar (19) is damped and slidably connected to the slide rail (18).
8. A screening device for solid waste according to claim 7, characterized in that: The surface of the crushing roller (15) is covered with a wear-resistant material.