Soil heat treatment crushing and screening device
By designing a screening plate that is easy to disassemble and install, and a screening device driven by a vibrating motor, the problem of easy clogging of the filter plate was solved, achieving efficient soil screening and cleaning, and improving the efficiency of equipment use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI WEILUN KELIN ENVIRONMENTAL ENG CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-05-15
AI Technical Summary
When using existing soil crushing and screening equipment, the filter plate mesh is easily clogged by mud or stones, resulting in incomplete cleaning and the need to stop the machine, which affects the processing efficiency.
A screen plate that is easy to disassemble and replace is designed. Combined with a crushing roller driven by a vibration motor and a servo motor, it enables rapid screening and cleaning. The detachable screen plate structure reduces downtime and improves work efficiency.
It enables quick replacement and cleaning of screening plates, reduces machine downtime, improves the efficiency and practicality of soil treatment, and avoids the long downtime required for cleaning traditional filter plates.
Smart Images
Figure CN224236949U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of soil processing technology, specifically relating to a soil heat treatment crushing and screening device. Background Technology
[0002] In the field of soil remediation and resource utilization, the treatment of soil contaminated by heavy metals and organic pollutants has always been a difficult problem in the industry. The existing technology is to first heat-treat the soil to remove the moisture in the soil and prevent it from sticking together, and then use crushing and screening equipment to break up the soil and separate stones, debris and other impurities.
[0003] In traditional soil crushing and screening devices, the soil is crushed by the crusher and falls onto a filter plate below. The filter plate is designed to vibrate, and the vibration of the filter plate screens off the soil, while stones and debris are discharged from the filter plate. However, the applicant has found that the existing crushing and screening devices have the following shortcomings in actual use:
[0004] After multiple screening processes, the filter plate mesh can become clogged with soil or suitable stones. During cleaning, workers need to open the crushing and screening device and operate inside. On the one hand, the cleared blockages will fall into the soil discharge channel and mix with the soil, resulting in incomplete cleaning of soil impurities. On the other hand, the crushing and screening device needs to be stopped during the cleaning process, which affects the improvement of soil treatment efficiency.
[0005] To address the aforementioned issues, this application proposes a soil heat treatment crushing and screening device. Utility Model Content
[0006] To address the aforementioned problems in the existing technology, this utility model provides a soil heat treatment crushing and screening device, which features easy disassembly and replacement of filter plates, short downtime, and high processing efficiency.
[0007] To achieve the above objectives, the present invention provides the following technical solution: a soil heat treatment crushing and screening device, comprising a screening box and a crushing box installed on the top of the screening box, wherein two matching crushing rollers are provided on the crushing box, and a gear set is provided externally to be fixedly connected to the crushing rollers and rotatably connected to and meshing with the crushing box, and a servo motor for driving the crushing rollers is provided externally from the crushing box.
[0008] It also includes screening and installation mechanisms;
[0009] The screening mechanism includes a screening plate and a vibrating motor. The screening plate is movably and inclinedly arranged in the screening box and connected to the vibrating motor for screening soil that falls from the crushing box.
[0010] The installation mechanism includes an L-shaped long plate and a limiting bolt. Two L-shaped long plates, which are symmetrically distributed, are set in the screening box and connected to the screening plate for limiting and fixing the screening plate.
[0011] Preferably, the screening box has a first opening on one side and a second opening on the opposite side. In the vertical direction, the second opening is higher than the first opening, and the two ends of the screening plate extend out from the first opening and the second opening, respectively.
[0012] Preferably, on the screening box, symmetrically distributed support plates are provided on the same side as the first opening and the second opening. Bolt rods are screwed onto the support plates. The two ends of the L-shaped long plate are provided with second long holes, and the bolt rods pass through the second long holes.
[0013] A spring, which is connected to the L-shaped long plate and the support plate, is wrapped around the outside of the bolt rod.
[0014] Preferably, the two L-shaped long plates are provided with grooves on opposite sides, and sliding rods adapted to the grooves are provided on both sides of the screening plate;
[0015] One end of the slide is open and the other end is closed. At the open end, and on the L-shaped long plate, a limiting bolt is screwed on, and the limiting bolt is connected to the slide rod.
[0016] Preferably, the screening box has three symmetrically distributed openings, and fixing plates are fixed on both the upper and lower sides of the three openings. Fixing rods are provided on the fixing plates. Extension plates extending from the three openings are provided on both sides of the screening plates. A pair of elongated holes are provided on the extension plates. The fixing rods pass through the elongated holes. The vibration motor is fixed to the extension plates.
[0017] Preferably, a dustproof box is provided on the screening box body surrounding the third opening, and the dustproof box is hinged with a lockable door.
[0018] Preferably, a gear box with an observation window is provided on the crushing chamber, the gear box is mounted around the gear set, and a lockable door is hinged to the gear box.
[0019] Preferably, a guide plate is provided on the screening box body and below the first opening;
[0020] The top of the screening plate is provided with symmetrically distributed baffles.
[0021] Preferably, the bottom of the screening box is open, a motor-driven conveyor belt is provided at the bottom of the screening box, and multiple universal self-locking wheels are provided at the bottom end of the screening box.
[0022] Compared with the prior art, the beneficial effects of this utility model are:
[0023] In this invention, the device features a detachable screening plate, eliminating the need for long downtime required for cleaning traditional filter plates. Workers can simply remove the screening plate to be cleaned and replace it with a replacement, allowing the device to be restarted quickly. This significantly reduces downtime and improves work efficiency. Furthermore, the disassembled screening plate 4 facilitates more thorough cleaning and effectively addresses stones stuck in the screen holes, enhancing its practicality.
[0024] Other additional advantages and benefits of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0025] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0027] Figure 2 for Figure 1 A magnified structural diagram of the A mark in the diagram;
[0028] Figure 3 for Figure 1 Schematic diagram of the side cross-section structure of the dustproof box;
[0029] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of the B mark in the diagram;
[0030] Figure 5 This is a schematic diagram of the isometric three-dimensional structure of this utility model;
[0031] Figure 6 for Figure 5 A schematic diagram of the enlarged structure of the C symbol in the diagram;
[0032] Figure 7 This is a schematic diagram of the upper cross-sectional structure of this utility model;
[0033] Figure 8 for Figure 7 A schematic diagram of the enlarged structure of the D mark in the diagram.
[0034] In the diagram: 1. Screening box; 2. Crushing box; 3. Gear box; 4. Screening plate; 5. Guide plate; 6. Conveyor belt; 7. Universal self-locking wheel; 8. Dustproof box; 9. No. 1 opening; 10. Support plate; 11. L-shaped long plate; 12. Slide chute; 1201. Slide rod; 13. Baffle plate; 14. Bolt rod; 15. Spring; 16. No. 3 opening; 17. Extension plate; 18. Vibration motor; 19. Fixing plate; 20. Fixing rod; 21. No. 1 long hole; 22. No. 2 long hole; 23. No. 2 opening; 24. Limit bolt. Detailed Implementation
[0035] 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.
[0036] Example
[0037] Please see Figures 1-8 The present invention provides the following technical solution: a soil heat treatment crushing and screening device, including a screening box 1 and a crushing box 2 installed on the top of the screening box 1. Two matching crushing rollers are provided on the crushing box 2. A gear set is provided on the outside of the crushing rollers and is rotatably connected to and meshed with the crushing box 2. A servo motor for driving the crushing rollers is provided on the outside of the crushing box 2.
[0038] It also includes screening and installation mechanisms;
[0039] The screening mechanism includes a screening plate 4 and a vibrating motor 18. The screening plate 4 is movably and inclinedly arranged in the screening box 1 and connected to the vibrating motor 18 for screening the soil that falls from the crushing box 2.
[0040] The mounting mechanism includes an L-shaped long plate 11 and a limiting bolt 24. Two L-shaped long plates 11, which are symmetrically distributed, are set on the screening box 1 and connected to the screening plate 4. They are used to limit and fix the screening plate 4. When customizing or producing this device, the user or company can pre-produce multiple spare screening plates 4 to facilitate the replacement of damaged screening plates 4 and disassembly and replacement during cleaning, thereby shortening the downtime of the device during use and improving production efficiency.
[0041] Preferably, by Figure 1 , Figure 2 and Figure 7As shown, in this embodiment, a first opening 9 is provided on one side of the screening box 1, and a second opening 23 is provided on the opposite side. In the vertical direction, the second opening 23 is higher than the first opening 9, and the two ends of the screening plate 4 extend out from the first opening 9 and the second opening 23, respectively.
[0042] Preferably, by Figure 1 , Figure 2 and Figure 7 As shown, in this embodiment, on the screening box 1, there are symmetrically distributed support plates 10 on the same side as the first opening 9 and the second opening 23. Bolt rods 14 are screwed onto the support plates 10. The two ends of the L-shaped long plate 11 are provided with second long holes 22, and the bolt rods 14 pass through the second long holes 22.
[0043] A spring 15, which is connected to the L-shaped long plate 11 and the support plate 10, is wrapped around the outside of the bolt rod 14.
[0044] After long-term use, the spring 15, whose elastic potential energy has decreased or is damaged, can be replaced by unscrewing the bolt rod 14 counterclockwise. This improves the practicality of the device, facilitates maintenance, and is beneficial for the long-term use of the device.
[0045] Preferably, by Figure 1 , Figure 2 and Figure 8 As shown, in this embodiment, the two L-shaped long plates 11 are provided with grooves 12 on opposite sides, and slide rods 1201 adapted to the grooves 12 are provided on both sides of the screening plate 4.
[0046] One end of the slide 12 is open and the other end is closed. At the open end, and on the L-shaped long plate 11, a limiting bolt 24 is screwed on. The limiting bolt 24 is connected to the slide rod 1201.
[0047] Preferably, by Figure 3 and Figure 4 As shown, in this embodiment, the screening box 1 has three symmetrically distributed openings 16. Fixing plates 19 are fixed on both the upper and lower sides of the three openings 16. Fixing rods 20 are provided on the fixing plates 19. Extension plates 17 extending from the three openings 16 are provided on both sides of the screening plate 4. A pair of first elongated holes 21 are provided on the extension plates 17. The fixing rods 20 pass through the first elongated holes 21. The vibration motor 18 is fixed on the extension plates 17.
[0048] When the vibrating motor 18 vibrates, it will drive the screening plate 4 to vibrate and bounce through the extension plate 17, thereby achieving efficient screening function. During the vibration of the screening plate 4, due to the design of the spring 15, the spring 15 will return to its original position under downward pressure, thereby assisting the movement of the screening plate 4.
[0049] Preferably, by Figure 1 , Figure 3 and Figure 4 As shown in this embodiment, a dustproof box 8 is provided on the screening box 1, surrounding the third opening 16. The dustproof box 8 is hinged with a lockable door. The dustproof box 8 is used for dust protection to prevent dust or dirt from falling onto the vibration motor 18.
[0050] Preferably, by Figure 1 and Figure 5 As shown, in this embodiment, a gear box 3 with an observation window is provided on the crushing chamber 2. The gear box 3 is installed around the gear set, and a lockable door is hinged on the gear box 3. The gear box 3 is used to protect the internal gears and prevent them from being affected by scattered soil.
[0051] Preferably, by Figure 1 , Figure 2 and Figure 7 As shown in this embodiment, a guide plate 5 is provided on the screening box 1 and below the first opening 9. When the soil falls from the screening plate 4, the inclined guide plate 5 can effectively make the soil slide into the receiving device placed below it, reducing the probability of scattering.
[0052] The top of the screening plate 4 is provided with symmetrically distributed baffles 13. The baffles 13 can reduce the soil falling from both sides when the screening plate 4 vibrates, and have a limiting function.
[0053] Preferably, by Figure 1 and Figure 3 As shown, in this embodiment, the bottom of the screening box 1 is open, a conveyor belt 6 driven by a motor is provided at the bottom of the screening box 1, and multiple universal self-locking wheels 7 are provided at the bottom end of the screening box 1.
[0054] The sieved soil falls onto conveyor belt 6 and is discharged from screening box 1 by conveyor belt 6. During use, the staff only needs to place a soil receiving device under the discharge end of conveyor belt 6.
[0055] Components not described in detail in this article are existing technologies.
[0056] The working principle and usage process of this utility model are as follows: When in use, after pushing the device to the work site and connecting the power supply, start the crushing roller motor, the vibration motor 18 and the conveyor belt 6 motor. The worker puts the heat-treated soil into the crushing box 2. After the soil and impurities inside are broken up, they fall onto the vibrating screen plate 4. The soil is screened and falls onto the conveyor belt 6 for discharge. Some stones will be discharged along the inclined screen plate 4 to the guide plate 5, thereby achieving the screening process.
[0057] During cleaning, first stop the electrical equipment of the device, then loosen the limit bolts 24 counterclockwise, pull out the screening plate 4 from this side, then install the replacement screening plate 4 and tighten the limit bolts 24 clockwise, and the machine can be restarted.
[0058] The device features a detachable screening plate 4, eliminating the need for long downtime required for cleaning traditional filter plates. Operators can simply remove the screening plate 4 to be cleaned and replace it with a replacement, allowing the device to be restarted quickly. This significantly reduces downtime and improves work efficiency. Furthermore, the disassembled screening plate 4 facilitates more thorough cleaning and effectively addresses stones stuck in the screen holes, enhancing its practicality.
[0059] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A soil heat treatment crushing and screening device, comprising a screening box (1) and a crushing box (2) installed on the top of the screening box (1), wherein two matching crushing rollers are provided on the crushing box (2), and a gear set is provided externally, which is fixedly connected to the crushing rollers and rotatably connected to and meshes with the crushing box (2); and a servo motor for driving the crushing rollers is provided externally from the crushing box (2); characterized in that: It also includes screening and installation mechanisms; The screening mechanism includes a screening plate (4) and a vibration motor (18). The screening plate (4) is movably and inclinedly arranged in the screening box (1) and connected to the vibration motor (18) for screening the soil that falls from the crushing box (2). The installation mechanism includes an L-shaped long plate (11) and a limiting bolt (24). Two L-shaped long plates (11) are symmetrically distributed and are set in the screening box (1) and connected to the screening plate (4) for limiting and fixing the screening plate (4).
2. The soil heat treatment crushing and screening device according to claim 1, characterized in that, The screening box (1) has a first opening (9) on one side and a second opening (23) on the opposite side. In the vertical direction, the second opening (23) is higher than the first opening (9), and the two ends of the screening plate (4) extend from the first opening (9) and the second opening (23) respectively.
3. The soil heat treatment crushing and screening device according to claim 2, characterized in that, On the screening box (1), there are symmetrically distributed support plates (10) on the same side as the first opening (9) and the second opening (23). Bolt rods (14) are screwed onto the support plates (10). The two ends of the L-shaped long plate (11) are provided with second long holes (22). The bolt rods (14) pass through the second long holes (22). A spring (15) is wrapped around the outside of the bolt rod (14) and is connected to the L-shaped long plate (11) and the support plate (10).
4. The soil heat treatment crushing and screening device according to claim 3, characterized in that, The two L-shaped long plates (11) are provided with sliding grooves (12) on opposite sides, and sliding rods (1201) adapted to the sliding grooves (12) are provided on both sides of the screening plate (4). One end of the slide (12) is open and the other end is closed. At the open end, and on the L-shaped long plate (11), a limiting bolt (24) is screwed on. The limiting bolt (24) is connected to the slide rod (1201).
5. The soil heat treatment crushing and screening device according to claim 1, characterized in that, The screening box (1) has three symmetrically distributed openings (16). Fixing plates (19) are fixed on the upper and lower sides of the three openings (16). Fixing rods (20) are provided on the fixing plates (19). Extension plates (17) extending from the three openings (16) are provided on both sides of the screening plate (4). A pair of first-order elongated holes (21) are provided on the extension plates (17). The fixing rods (20) pass through the first-order elongated holes (21). The vibration motor (18) is fixed on the extension plates (17).
6. The soil heat treatment crushing and screening device according to claim 5, characterized in that, A dustproof box (8) is provided on the screening box (1) surrounding the third opening (16), and the dustproof box (8) is hinged with a lockable door.
7. The soil heat treatment crushing and screening device according to claim 1, characterized in that, A gear box (3) with an observation window is provided on the crushing chamber (2). The gear box (3) is installed around the gear set and has a lockable door hinged to it.
8. The soil heat treatment crushing and screening device according to claim 2, characterized in that, A guide plate (5) is provided on the screening box (1) and below the first opening (9); The top of the screening plate (4) is provided with symmetrically distributed baffles (13).
9. The soil heat treatment crushing and screening device according to claim 1, characterized in that, The bottom of the screening box (1) is open, and a motor-driven conveyor belt (6) is provided at the bottom of the screening box (1). Multiple universal self-locking wheels (7) are provided at the bottom end of the screening box (1).