Pretreatment device for soil pollution remediation

Abstract

The utility model discloses a pretreatment device for soil pollution remediation, relates to the technical field of soil pollution remediation, and aims to solve the problems that an existing contaminated soil remediation device cannot crush soil, and under the condition that the contaminated soil is not crushed, a remediation agent is possibly non-uniformly distributed, so that the remediation agent is excessively concentrated or diluted, and the remediation effect is poor. And the repairing efficiency is influenced. The soil pollution remediation pretreatment device comprises a pretreatment box, a conveying belt channel box and a polluted soil pretreatment box, a secondary smashing device is fixedly connected to the upper end of the pretreatment box, a soil smashing device is fixedly connected to the upper end of the secondary smashing device, and a screening device is fixedly connected to one side of the pretreatment box in an inlaid mode. A screening mesh screen is fixedly connected to the screening device, the screening mesh screen is embedded in the pretreatment box, a waste gas treatment device is fixedly connected to the upper end of the contaminated soil pretreatment box, and a remediation agent box is fixedly connected to one side of the pretreatment box.

Description

Technical Field

[0001] The utility model relates to the technical field of soil pollution remediation, in particular to a pretreatment device for soil pollution remediation. Background Art

[0002] Soil remediation involves the use of a range of physical, chemical, biological, or engineering techniques to reduce or completely remove harmful substances from the soil, thereby restoring soil health and sustainability and reducing negative impacts on the environment and ecosystem. Pretreatment equipment can help better manage the mixing of soil and remediation fluid during the remediation process. This helps ensure effective contact between the remediation agent and the contaminants, improving remediation efficiency and ultimately reducing contaminant concentrations more quickly.

[0003] However, existing contaminated soil remediation devices cannot crush the soil. If the contaminated soil is not crushed, the distribution of the remediation agent may be uneven, resulting in excessive concentration or dilution of the remediation agent, affecting the efficiency of remediation. Therefore, it does not meet the existing needs. In this regard, we propose a pretreatment device for soil pollution remediation. Utility Model Content

[0004] The purpose of the present utility model is to provide a pretreatment device for soil contamination remediation to solve the problem that the existing contaminated soil remediation device proposed in the above background technology cannot crush the soil. If the contaminated soil is not crushed, the distribution of the remediation agent may be uneven, resulting in excessive concentration or dilution of the remediation agent, which affects the efficiency of the remediation.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a pretreatment device for soil pollution remediation, comprising a soil pollution remediation pretreatment device, the soil pollution remediation pretreatment device comprising a pretreatment box, a conveyor belt channel box, and a contaminated soil pretreatment box, and further comprising: a secondary crushing device is fixedly connected to the upper end of the pretreatment box, a soil crushing device is fixedly connected to the upper end of the secondary crushing device, a screening device is embedded and fixedly connected to one side of the pretreatment box, a screening mesh is fixedly connected to the screening device, and the screening mesh is embedded in the pretreatment box, one end of the screening mesh is connected to a telescopic cylinder, which is used for the screening mesh to screen the crushed soil, the upper end of the contaminated soil pretreatment box is fixedly connected to an exhaust gas treatment device, a remediation agent box is fixedly connected to one side of the pretreatment box, and a support frame is fixedly connected to the pretreatment box and the contaminated soil pretreatment box.

[0006] Preferably, the soil crushing device includes a No. 1 drive motor, a contaminated soil input bucket, a main shaft rod component, a main umbrella transmission gear, an umbrella transmission gear set, a secondary shaft rod component, a crushing stirring paddle, and a crushing cutting blade. The upper end of the soil crushing device is provided with a No. 1 drive motor, and the No. 1 drive motor is fixedly connected to the upper end of the soil crushing device. The upper end of the soil crushing device is provided with a contaminated soil input bucket, and the contaminated soil input bucket is fixedly connected to the upper end of the soil crushing device. The No. 1 drive motor is provided with a main shaft rod component, and the main shaft rod component is embedded in the No. 1 drive motor. A main umbrella transmission gear is provided, and the main umbrella transmission gear is connected to the main shaft rod component in an annular sleeve. The main umbrella transmission gear is provided with an umbrella transmission gear set, and the umbrella transmission gear set is meshed with the main umbrella transmission gear. Two groups of umbrella transmission gear sets are provided. A secondary shaft rod component is provided on the umbrella transmission gear set, and the secondary shaft rod component is meshed with the umbrella transmission gear set. A crushing and stirring paddle is provided on both the main shaft rod component and the secondary shaft rod component, and the crushing and stirring paddle is fixedly connected to the annular sleeve of the main shaft rod component and the secondary shaft rod component. A crushing cutting blade is provided on the crushing and stirring paddle, and the crushing cutting blade is fixedly connected to the crushing and stirring paddle.

[0007] Preferably, the secondary crushing device includes a crushed soil input bucket, a No. 2 drive motor, a secondary soil crushing roller, and a crushing blade structure. The secondary crushing device is provided with a crushed soil input bucket, and the crushed soil input bucket is fixedly connected to the secondary crushing device. A No. 2 drive motor is provided on one side of the secondary crushing device, and the No. 2 drive motor is fixedly connected to one side of the secondary crushing device. A secondary soil crushing roller is provided on the shaft of the No. 2 drive motor, and the secondary soil crushing roller is fixedly connected to the shaft of the No. 2 drive motor. A crushing blade structure is provided on the secondary soil crushing roller, and the crushing blade structure is fixedly connected to the secondary soil crushing roller.

[0008] Preferably, the pretreatment box and the repair agent box respectively include an inclined baffle structure, a conveyor belt structure, a sloped surface, a repair agent spraying device, a repair agent delivery pipeline, and a repair agent spraying head. The pretreatment box is provided with an inclined baffle structure, and the inclined baffle structure is fixedly connected to the inner wall of the pretreatment box. The pretreatment box is provided with a conveyor belt structure, and the conveyor belt structure is connected to the transmission roller in the pretreatment box. Slope surfaces are provided on both sides of the conveyor belt structure. The inner wall of the pretreatment box is provided with a repair agent spraying device, and the repair agent spraying device is fixedly connected to the inner wall of the pretreatment box. The repair agent spraying device is provided with a repair agent delivery pipeline, and one end of the repair agent delivery pipeline is fixedly connected to the repair agent spraying device, and the other end is fixedly connected to the repair agent box. The repair agent spraying device is provided with a repair agent spraying head, and the repair agent spraying head is fixedly connected to the repair agent spraying device.

[0009] Preferably, a mounting bracket is provided on one side of the pretreatment box, and the mounting bracket is threadedly connected to both sides of the pretreatment box by bolts, a movable slide structure is provided on the mounting bracket, and the movable slide structure is slidingly connected to the mounting bracket, a return spring assembly is provided on the movable slide structure, and the return spring assembly is fixedly connected to the movable slide structure, and the movable slide structure is connected to the other end of the screening mesh.

[0010] Preferably, the waste gas treatment device includes a suction fan structure, a high-efficiency activated carbon structure, and a high-efficiency filtration molecular sieve structure. The waste gas treatment device is provided with a suction fan structure, a high-efficiency activated carbon structure, and a high-efficiency filtration molecular sieve structure. The upper end of the waste gas treatment device is provided with a suction fan structure, and the suction fan structure is fixedly connected to the upper end of the waste gas treatment device. The waste gas treatment device is provided with a high-efficiency activated carbon structure, and the high-efficiency activated carbon structure is fixedly connected to the inside of the waste gas treatment device. The waste gas treatment device is provided with a high-efficiency filtration molecular sieve structure, and the high-efficiency filtration molecular sieve structure is fixedly connected to the inner wall of the waste gas treatment device.

[0011] Preferably, the contaminated soil pretreatment box includes a No. 3 drive motor, a threaded shaft component, a sealing plate structure, and a slide rail structure. The contaminated soil pretreatment box is provided with a No. 3 drive motor, and the No. 3 drive motor is fixedly connected to the bottom end of the contaminated soil pretreatment box. The No. 3 drive motor is provided with a threaded shaft component, and the threaded shaft component is embedded in the No. 3 drive motor. The threaded shaft component is provided with a sealing plate structure, and the sealing plate structure is threadedly connected to the threaded shaft component. The sealing plate structure is provided with a slide rail structure, and the slide rail structure is fixedly connected to the bottom end of the contaminated soil pretreatment box.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model comprises a first drive motor, a contaminated soil input hopper, a main shaft member, a main parachute transmission gear, a parachute transmission gear set, a secondary shaft member, a crushing and stirring paddle, a crushing cutting blade, a second drive motor, a secondary soil crushing roller, and a crushing blade structure. The first drive motor serves as the primary power source for the soil crushing device, driving the main shaft member to rotate, thereby driving the entire crushing mechanism. This provides stable and controllable power output, ensuring the continuity and efficiency of the soil crushing process. As the inlet for contaminated soil, it facilitates the introduction of the soil to be treated into the crushing device, effectively preventing leakage and splashing of soil during the input process. The main shaft member connects the first drive motor and the main parachute transmission gear, transmitting power and driving their rotation. This high transmission efficiency effectively reduces energy loss.

[0014] The main bevel gear meshes with the bevel gear set, transmitting power to the secondary shaft, achieving synchronous rotation of both shafts. The bevel gear set acts as an intermediate transmission mechanism, transferring power from the main shaft to the secondary shaft. The secondary shaft works in conjunction with the main shaft to drive the pulverizing paddles and pulverizing cutting blades. This increases the number and distribution of pulverizing mechanisms, improving soil pulverization efficiency and uniformity. Driven by the main and secondary shafts, the pulverizing paddles rotate, stirring and initially pulverizing the soil. This effective mixing prevents soil clumping and improves pulverization efficiency. The pulverizing cutting blades, mounted on the pulverizing paddles, further cut and pulverize the soil. Their sharp cutting blades effectively reduce soil particle size, improving soil fineness and uniformity. The secondary drive motor, serving as the power source for the secondary pulverization unit, drives the secondary soil pulverizing rollers, providing additional pulverizing power to ensure further refinement after the initial pulverization. The secondary soil pulverizing rollers, driven by the second drive motor, rotate for secondary pulverization. Effectively improves soil crushing efficiency and fineness. The crushing blade structure is fixed to the secondary soil crushing roller to cut and crush the soil. This enhances the crushing effect of the secondary crushing device and ensures that the soil particles are finer and more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the soil pollution remediation pretreatment device of the present utility model;

[0016] Figure 2 This is a schematic structural diagram of the soil crushing device of the present utility model;

[0017] Figure 3 This is a schematic structural diagram of the secondary crushing device of the present utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the pretreatment box of the utility model;

[0019] Figure 5 This is an enlarged structural diagram of point A of the present utility model;

[0020] Figure 6 This is a schematic structural diagram of the waste gas treatment device of the present utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the contaminated soil pretreatment box of the present utility model;

[0022] In the figure: 1. Soil contamination remediation pretreatment device; 2. Pretreatment box; 21. Inclined baffle structure; 22. Conveyor belt structure; 23. Slope surface; 3. Conveyor belt channel box; 4. Contaminated soil pretreatment box; 41. No. 3 driving motor; 42. Threaded shaft member; 43. Blocking plate structure; 44. Slide rail structure; 5. Soil crushing device; 51. No. 1 driving motor; 52. Contaminated soil input hopper; 53. Main shaft member; 54. Main umbrella transmission gear; 55. Umbrella transmission gear set; 56. Secondary shaft member; 57. Crushing and stirring paddle; 58. Crushing cutting blade; 6. Secondary crushing device; 61. Crushed soil input bucket; 62. No. 2 driving motor; 63. Secondary soil crushing roller; 64. Crushing blade structure; 7. Screening device; 71. Screening mesh; 72. Mounting frame; 73. Moving slide structure; 74. Return spring assembly; 8. Exhaust gas treatment device; 81. Suction fan structure; 82. High-efficiency activated carbon structure; 83. High-efficiency filtration molecular sieve structure; 9. Repair agent box; 91. Repair agent spray device; 92. Repair agent delivery pipeline; 93. Repair agent spray head; 10. Support frame. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-7 , the utility model provides an embodiment: a pretreatment device for soil pollution remediation, a soil pollution remediation pretreatment device 1, the soil pollution remediation pretreatment device 1 includes a pretreatment box 2, a conveyor belt channel box 3, and a contaminated soil pretreatment box 4, and also includes: the upper end of the pretreatment box 2 is fixedly connected to a secondary crushing device 6, the upper end of the secondary crushing device 6 is fixedly connected to a soil crushing device 5, one side of the pretreatment box 2 is inlaid with a screening device 7, the screening device 7 is fixedly connected to a screening mesh 71, and the screening mesh 71 is embedded in the pretreatment box 2, one end of the screening mesh 71 is connected to a telescopic cylinder, which is used for the screening mesh 71 to screen the crushed soil, the upper end of the contaminated soil pretreatment box 4 is fixedly connected to an exhaust gas treatment device 8, one side of the pretreatment box 2 is fixedly connected to a repair agent box 9, and the pretreatment box 2 and the contaminated soil pretreatment box 4 are both fixedly connected with a support frame 10.

[0025] See also Figure 2The soil crushing device 5 includes a No. 1 drive motor 51, a contaminated soil input bucket 52, a main shaft rod component 53, a main umbrella transmission gear 54, an umbrella transmission gear set 55, a secondary shaft rod component 56, a crushing and stirring paddle 57, and a crushing cutting blade 58. The upper end of the soil crushing device 5 is provided with a No. 1 drive motor 51, and the No. 1 drive motor 51 is fixedly connected to the upper end of the soil crushing device 5. The upper end of the soil crushing device 5 is provided with a contaminated soil input bucket 52, and the contaminated soil input bucket 52 is fixedly connected to the upper end of the soil crushing device 5. The No. 1 drive motor 51 is provided with a main shaft rod component 53, and the main shaft rod component 53 is embedded in the No. 1 drive motor 51. The main umbrella transmission gear 54 is provided on the main shaft rod component 53, and the main umbrella transmission gear 54 is ring-connected to the main shaft rod component 53. The main umbrella transmission gear A bevel gear set 55 is provided on the main shaft 54, meshing with the main bevel gear set 54. Two bevel gear sets 55 are provided, each with a secondary shaft member 56 meshing with the bevel gear set 55. Both the main shaft member 53 and the secondary shaft member 56 are provided with a pulverizing and stirring paddle 57, which is securely connected to the main shaft member 53 and the secondary shaft member 56 via a ring. The pulverizing and stirring paddle 57 is provided with a pulverizing and cutting blade 58, which is securely connected to the pulverizing and stirring paddle 57. The soil pulverizing device 5 is driven by a first drive motor 51 to rotate the main shaft member 53. The main bevel gear 54 on the main shaft member 53 drives the bevel gear set 55 to rotate, which in turn drives the secondary shaft member 56 to rotate. The pulverizing and stirring paddles 57 and the pulverizing and cutting blades 58 on the main shaft member 53 and the secondary shaft member 56 work together to pulverize and stir the input contaminated soil. Improve soil pulverization efficiency and ensure uniform soil particles for easy subsequent processing. The design of the pulverizing cutting edge 58 enhances the pulverization effect and is suitable for soils of different hardness and viscosity.

[0026] See also Figure 3The secondary crushing device 6 includes a crushed soil input hopper 61, a second drive motor 62, a secondary soil crushing roller 63, and a crushing blade structure 64. The secondary crushing device 6 is provided with a crushed soil input hopper 61, which is fixedly connected to the secondary crushing device 6. A second drive motor 62 is provided on one side of the secondary crushing device 6 and is fixedly connected to one side of the secondary crushing device 6. A secondary soil crushing roller 63 is provided on the shaft of the second drive motor 62 and is fixedly connected to the shaft of the second drive motor 62. A crushing blade structure 64 is provided on the secondary soil crushing roller 63 and is fixedly connected to the shaft of the second drive motor 62. The secondary crushing device 6 drives the secondary soil crushing roller 63 to rotate via the second drive motor 62. The crushing blade structure 64 on the roller further crushes the initially crushed soil, ensuring finer soil particles. This improves the uniformity and fineness of soil particles, providing a better foundation for subsequent soil remediation and treatment. Enhance the flexibility and adaptability of soil treatment to meet different treatment needs.

[0027] See also Figure 4 The pretreatment box 2 and the repair agent box 9 respectively include an inclined baffle structure 21, a conveyor belt structure 22, a slope surface 23, a repair agent spraying device 91, a repair agent conveying pipeline 92, and a repair agent spraying head 93. The pretreatment box 2 is provided with an inclined baffle structure 21, and the inclined baffle structure 21 is fixedly connected to the inner wall of the pretreatment box 2. The pretreatment box 2 is provided with a conveyor belt structure 22, and the conveyor belt structure 22 is connected to the transmission roller in the pretreatment box 2. Both sides of the conveyor belt structure 22 are provided with slope surfaces 23. The inner wall of the pretreatment box 2 is provided with a repair agent spraying device 91, and the repair agent spraying device 91 is connected to the pretreatment The inner wall of the pretreatment box 2 is fixedly connected. The repair agent spraying device 91 is provided with a repair agent delivery pipe 92, and one end of the repair agent delivery pipe 92 is fixedly connected to the repair agent spraying device 91, and the other end is fixedly connected to the repair agent box 9. The repair agent spraying device 91 is provided with a repair agent spraying head 93, and the repair agent spraying head 93 is fixedly connected to the repair agent spraying device 91. The pretreatment box 2 transports soil through the inclined baffle structure 21 and the conveyor belt structure 22. At the same time, the repair agent spraying device 91 sprays the soil with the repair agent through the repair agent delivery pipe 92 and the repair agent spraying head 93 to promote soil remediation. The uniform spraying of the repair agent helps to quickly remediate soil contamination and improve the remediation effect.

[0028] See also Figure 5The side of the pretreatment box 2 is provided with a mounting frame 72, and the mounting frame 72 is connected with the two sides of the pretreatment box 2 through bolts, the mounting frame 72 is provided with a movable sliding plate structure 73, the movable sliding plate structure 73 is connected with the mounting frame 72 through sliding, the movable sliding plate structure 73 is provided with a reset spring assembly 74, the reset spring assembly 74 is fixedly connected with the movable sliding plate structure 73, and the movable sliding plate structure 73 is connected with the other end of the screening net sieve 71. The mounting frame 72, the movable sliding plate structure 73 and the reset spring assembly 74 jointly constitute a supporting and resetting mechanism of the screening net sieve 71, so that the screening net sieve 71 can be kept stable during the vibration screening process and can be automatically reset, the screening efficiency and accuracy are improved, and the uniform distribution of soil particles is ensured. The reset spring assembly 74 enhances the stability and durability of the screening net sieve 71.

[0029] Please refer to Figure 6 The exhaust gas treatment device 8 comprises a suction fan structure 81, a high-efficiency activated carbon structure 82 and a high-efficiency filtering molecular sieve structure 83. The suction fan structure 81, the high-efficiency activated carbon structure 82 and the high-efficiency filtering molecular sieve structure 83 are arranged on the exhaust gas treatment device 8. The suction fan structure 81 is arranged at the upper end of the exhaust gas treatment device 8 and is fixedly connected with the upper end of the exhaust gas treatment device 8. The high-efficiency activated carbon structure 82 is arranged in the exhaust gas treatment device 8 and is fixedly connected with the inside of the exhaust gas treatment device 8. The high-efficiency filtering molecular sieve structure 83 is arranged in the exhaust gas treatment device 8 and is fixedly connected with the inner wall of the exhaust gas treatment device 8. The exhaust gas treatment device 8 sucks the generated exhaust gas into the device through the suction fan structure 81, and removes the harmful substances in the exhaust gas through the filtering and adsorption of the high-efficiency activated carbon structure 82 and the high-efficiency filtering molecular sieve structure 83. The environment is protected, and the pollution of exhaust gas emission to the environment is reduced.

[0030] Please refer to Figure 7 The contaminated soil pretreatment box 4 comprises a third driving motor 41, a threaded shaft member 42, a blocking plate structure 43 and a sliding rail structure 44. The third driving motor 41 is arranged in the contaminated soil pretreatment box 4 and is fixedly connected with the bottom end inside the contaminated soil pretreatment box 4. The threaded shaft member 42 is arranged on the third driving motor 41 and is embeddedly connected with the third driving motor 41. The blocking plate structure 43 is arranged on the threaded shaft member 42 and is threadedly connected with the threaded shaft member 42. The sliding rail structure 44 is arranged on the blocking plate structure 43 and is fixedly connected with the bottom end inside the contaminated soil pretreatment box 4. The contaminated soil pretreatment box 4 drives the threaded shaft member 42 to rotate through the third driving motor 41, so as to drive the blocking plate structure 43 to move on the sliding rail structure 44, thereby realizing the blocking and discharging control of the output port after the contaminated soil is pretreated.

[0031] Working Principle: During use, the operator pours the contaminated soil to be treated into the soil pulverizing device 5 through the contaminated soil input hopper 52. The first drive motor 51 is activated, which drives the main shaft member 53 to rotate. The primary bevel gear 54 on the main shaft member 53 rotates the bevel gear set 55, which in turn drives the secondary shaft member 56. The pulverizing and stirring paddles 57 and pulverizing cutting blades 58 on the main shaft member 53 and secondary shaft member 56 begin to rotate, initially pulverizing and stirring the input contaminated soil. The initially pulverized soil enters the secondary pulverizing device 6 through the pulverized soil input hopper 61. The second drive motor 62 is activated, which drives the secondary soil pulverizing roller 63 to rotate. The pulverizing blade structure 64 on the secondary soil pulverizing roller 63 further pulverizes the soil, ensuring finer soil particles. The secondary pulverized soil enters the pre-treatment box 2 via the conveyor. The screening mesh 71 of the screening device 7 begins vibrating and screening under the action of the telescopic cylinder. During the screening process, larger soil particles are retained on the screen, while smaller particles pass through the screen and fall to the lower layer. After vibrating and screening, the screening screen 71 automatically resets itself through the coordinated action of the mounting frame 72, the movable slide structure 73, and the return spring assembly 74, preparing for the next screening cycle. The remediation agent spraying device 91 receives remediation agent from the remediation agent tank 9 via the remediation agent delivery pipe 92. The remediation agent is evenly sprayed onto the soil on the conveyor belt through the remediation agent spray head 93, promoting soil remediation. The soil is then transported via the conveyor belt and conveyor belt structure 22 within the conveyor channel box 3 to the contaminated soil pretreatment tank 4. Exhaust gas generated during the soil treatment process is drawn into the device through the exhaust fan structure 81 of the exhaust gas treatment device 8. The exhaust gas is filtered and adsorbed by the high-efficiency activated carbon structure 82 and the high-efficiency molecular sieve structure 83, removing harmful substances before being discharged. Drive motor 41 (number three) is activated, driving the threaded shaft member 42 to rotate. The threaded shaft member 42 drives the blocking plate structure 43 to move on the slide rail structure 44, controlling soil discharge according to treatment requirements. When the treatment is completed, the blocking plate structure 43 moves to a proper position, allowing the treated soil to be discharged from the outlet of the contaminated soil pre-treatment box 4 .

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0033] The electrical components appearing in this article are all electrically connected to the external main controller and 220V AC power, and the main controller can be a conventional known device that controls the servo motor, contact sensor, processor, alarm module and drive module. The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the existing technology, and the machinery, parts and equipment are all conventional models in the existing technology. In addition, the circuit connection adopts the conventional connection method in the existing technology, and no detailed description is given here.

Claims

1. A soil pollution remediation pretreatment device, comprising a soil pollution remediation pretreatment device (1), the soil pollution remediation pretreatment device (1) comprising a pretreatment box (2), a conveyor belt channel box (3), and a contaminated soil pretreatment box (4), characterized in that: The invention also includes: a secondary crushing device (6) is fixedly connected to the upper end of the pretreatment box (2); a soil crushing device (5) is fixedly connected to the upper end of the secondary crushing device (6); a screening device (7) is embedded and fixedly connected to one side of the pretreatment box (2); a screening screen (71) is fixedly connected to the screening device (7), and the screening screen (71) is embedded in the pretreatment box (2); one end of the screening screen (71) is connected to a telescopic cylinder, which is used for the screening screen (71) to screen the crushed soil; the upper end of the contaminated soil pretreatment box (4) is fixedly connected to the exhaust gas treatment device (8); a remediation agent box (9) is fixedly connected to one side of the pretreatment box (2); and a support frame (10) is fixedly connected to both the pretreatment box (2) and the contaminated soil pretreatment box (4).

2. A soil contamination remediation pretreatment device according to claim 1, characterized in that: The soil crushing device (5) comprises a No. 1 driving motor (51), a contaminated soil input bucket (52), a main shaft rod component (53), a main parachute transmission gear (54), a parachute transmission gear set (55), a secondary shaft rod component (56), a crushing stirring blade (57), and a crushing cutting blade (58). The upper end of the soil crushing device (5) is provided with a No. 1 driving motor (51), and the No. 1 driving motor (51) is fixedly connected to the upper end of the soil crushing device (5). The upper end of the soil crushing device (5) is provided with a contaminated soil input bucket (52), and the contaminated soil input bucket (52) is fixedly connected to the upper end of the soil crushing device (5). The No. 1 driving motor (51) is provided with a main shaft rod component (53), and the main shaft rod component (53) is embedded and connected to the No. 1 driving motor (51). The main shaft rod component (53) is provided with a main A bevel transmission gear (54) is provided, and the main bevel transmission gear (54) is connected to the main shaft member (53) in an annular sleeve. The main bevel transmission gear (54) is provided with a bevel transmission gear set (55), and the bevel transmission gear set (55) is meshed with the main bevel transmission gear (54). Two sets of bevel transmission gear sets (55) are provided. A secondary shaft member (56) is provided on the bevel transmission gear set (55), and the secondary shaft member (56) is meshed with the bevel transmission gear set (55). A crushing and stirring paddle (57) is provided on both the main shaft member (53) and the secondary shaft member (56), and the crushing and stirring paddle (57) is fixedly connected to the main shaft member (53) and the secondary shaft member (56) in an annular sleeve. A crushing and stirring paddle (57) is provided with a crushing cutting blade (58), and the crushing cutting blade (58) is fixedly connected to the crushing and stirring paddle (57).

3. The soil contamination remediation pretreatment device according to claim 1, characterized in that: The secondary crushing device (6) comprises a crushed soil input hopper (61), a second drive motor (62), a secondary soil crushing roller (63), and a crushing blade structure (64). The secondary crushing device (6) is provided with a crushed soil input hopper (61), and the crushed soil input hopper (61) is fixedly connected to the secondary crushing device (6). A second drive motor (62) is provided on one side of the secondary crushing device (6), and the second drive motor (62) is fixedly connected to one side of the secondary crushing device (6). A secondary soil crushing roller (63) is provided on the shaft of the second drive motor (62), and the secondary soil crushing roller (63) is fixedly connected to the shaft of the second drive motor (62). A crushing blade structure (64) is provided on the secondary soil crushing roller (63), and the crushing blade structure (64) is fixedly connected to the secondary soil crushing roller (63).

4. The soil contamination remediation pretreatment device according to claim 1, characterized in that: The pretreatment box (2) and the repair agent box (9) respectively comprise an inclined baffle structure (21), a conveyor belt structure (22), an inclined surface (23), a repair agent spraying device (91), a repair agent conveying pipeline (92), and a repair agent spraying head (93). The pretreatment box (2) is provided with an inclined baffle structure (21), and the inclined baffle structure (21) is fixedly connected to the inner wall of the pretreatment box (2). The pretreatment box (2) is provided with a conveyor belt structure (22), and the conveyor belt structure (22) is connected to the transmission roller in the pretreatment box (2). Both sides of the conveyor belt structure (22) are provided with A slope surface (23) is provided, a repair agent spraying device (91) is provided on the inner wall of the pretreatment box (2), and the repair agent spraying device (91) is fixedly connected to the inner wall of the pretreatment box (2), a repair agent delivery pipe (92) is provided on the repair agent spraying device (91), and one end of the repair agent delivery pipe (92) is fixedly connected to the repair agent spraying device (91), and the other end is fixedly connected to the repair agent box (9), a repair agent spraying head (93) is provided on the repair agent spraying device (91), and the repair agent spraying head (93) is fixedly connected to the repair agent spraying device (91).

5. The soil contamination remediation pretreatment device according to claim 1, characterized in that: A mounting frame (72) is provided on one side of the pretreatment box (2), and the mounting frame (72) is threadedly connected to both sides of the pretreatment box (2) via bolts. A movable slide structure (73) is provided on the mounting frame (72), and the movable slide structure (73) is slidably connected to the mounting frame (72). A return spring assembly (74) is provided on the movable slide structure (73), and the return spring assembly (74) is fixedly connected to the movable slide structure (73). The movable slide structure (73) is connected to the other end of the screening mesh (71).

6. The soil contamination remediation pretreatment device according to claim 1, characterized in that: The exhaust gas treatment device (8) comprises an exhaust fan structure (81), a high-efficiency activated carbon structure (82), and a high-efficiency filtration molecular sieve structure (83). The exhaust gas treatment device (8) is provided with an exhaust fan structure (81), a high-efficiency activated carbon structure (82), and a high-efficiency filtration molecular sieve structure (83). The exhaust gas treatment device (8) is provided with an exhaust fan structure (81) at the upper end, and the exhaust fan structure (81) is fixedly connected to the upper end of the exhaust gas treatment device (8). The exhaust gas treatment device (8) is provided with an high-efficiency activated carbon structure (82), and the high-efficiency activated carbon structure (82) is fixedly connected to the inside of the exhaust gas treatment device (8). The exhaust gas treatment device (8) is provided with an high-efficiency filtration molecular sieve structure (83), and the high-efficiency filtration molecular sieve structure (83) is fixedly connected to the inner wall of the exhaust gas treatment device (8).

7. The soil contamination remediation pretreatment device according to claim 1, characterized in that: The contaminated soil pretreatment box (4) comprises a No. 3 drive motor (41), a threaded shaft component (42), a blocking plate structure (43), and a slide rail structure (44). The contaminated soil pretreatment box (4) is provided with a No. 3 drive motor (41), and the No. 3 drive motor (41) is fixedly connected to the inner bottom end of the contaminated soil pretreatment box (4). The No. 3 drive motor (41) is provided with a threaded shaft component (42), and the threaded shaft component (42) is embedded and connected to the No. 3 drive motor (41). The threaded shaft component (42) is provided with a blocking plate structure (43), and the blocking plate structure (43) is threadedly connected to the threaded shaft component (42). The blocking plate structure (43) is provided with a slide rail structure (44), and the slide rail structure (44) is fixedly connected to the inner bottom end of the contaminated soil pretreatment box (4).

Images