Polluted soil treatment system with rapid cleaning capability and method thereof

Abstract

The invention relates to the technical field of environmental remediation and treatment, in particular to a contaminated soil treatment system with the rapid cleaning capacity and a method thereof.The contaminated soil treatment system with the rapid cleaning capacity specifically comprises a double-rail track and a hopper vehicle assembly, the double-rail track is connected end to end, and the hopper vehicle assembly is connected with the double-rail track; the hopper vehicle assembly sequentially passes through the feeding station, the detecting and medicine adding station, the repairing chamber, the lifting platform and the cleaning chamber along the double-rail track, and a first supporting plate and a second supporting plate are horizontally arranged over the detecting and medicine adding station. The first supporting plate and the second supporting plate are connected into a whole left and right and are supported by a stand column arranged at the bottom, and the top of the first supporting plate is provided with three compound modified activating agent ingredient storage boxes from left to right. Soil to be treated can be conveyed to a detection and chemical adding station through the hopper vehicle assembly, soil dehydration can be accelerated by adding a compound modified activating chemical, and the treatment efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental restoration and treatment, and in particular to a contaminated soil treatment system with rapid cleaning capability and a method thereof. Background Art

[0002] With the rapid development of economy, industrialization and urbanization, the soil environmental safety problem faced by my country is becoming increasingly severe. Industrial wastewater and sludge from all walks of life can become the source of site pollution. After the site is polluted by the pollution source, the solid waste in it is generally divided into three categories: soil, soil + sludge, and sludge. The moisture content of the soil is 30-40%, the moisture content of soil + sludge is 50-60%, and the moisture content of sludge is 60-100%. The moisture content of these solid wastes is generally high, and they need to be dehydrated before repairing them. The conventional operation is to transfer the solid waste to the dry site by excavation for static dehydration. This method is inefficient and cannot meet the needs. Therefore, in order to solve this problem, it is particularly important to design a contaminated soil treatment system and method with rapid cleaning capabilities. Summary of the invention

[0003] In order to solve the above problems, the present invention designs a contaminated soil treatment system and method with rapid cleaning capability. The soil to be treated can be transported to the detection and dosing station by using a hopper vehicle assembly. Not only can the soil dehydration be accelerated by adding a compound modified activation agent, but also the soil weight and original humidity can be automatically measured, so as to specifically add an appropriate amount of the compound modified activation agent, thereby saving resources and reducing costs.

[0004] In order to solve the above technical problems, the present invention provides a contaminated soil treatment system with rapid cleaning capability, comprising a double-track track and a hopper vehicle assembly, wherein the double-track track is connected end to end, and the hopper vehicle assembly passes through a loading station, a detection and dosing station, a remediation chamber, a lifting platform and a cleaning chamber in sequence along the double-track track, a soil loading transmission belt conveyor is arranged on one side of the loading station, and a discharge port of the soil loading transmission belt conveyor extends to directly above the loading station, and a first support plate and a second support plate are horizontally arranged directly above the detection and dosing station, the first support plate and the second support plate are connected to each other on the left and right and supported by a column arranged at the bottom, and three compound modified activation agent ingredient storage boxes are arranged on the top of the first support plate from left to right, and a screening funnel is installed at the discharge port at the bottom of the three compound modified activation agent ingredient storage boxes, and a discharge chute is opened on the top of the lifting platform, and a soil discharge transmission belt conveyor is arranged directly below the discharge chute; The hopper vehicle assembly comprises an outer frame, a cylindrical hopper, an inner rotating shaft, an outer cylinder, a stirring blade, a first rotating shaft, a second rotating shaft, a flip servo motor, a driving gear, a driven gear and a first servo motor. The left and right ends of the cylindrical hopper are rotatably connected in the outer frame through the first rotating shaft and the second rotating shaft. The first rotating shaft and the second rotating shaft are both hollow shafts. The flip servo motor and the first servo motor are both mounted on the outer wall of the outer frame. The driving gear is mounted on the output shaft of the flip servo motor. The driven gear is sleeved on the outer wall of the second rotating shaft and meshes with the driving gear. The inner rotating shaft is horizontally rotatably connected in the cylindrical hopper. The inner rotating shaft is also a hollow rotating shaft. The left end of the inner rotating shaft extends into the first rotating shaft and is rotatably connected to the mechanical sealing joint embedded on the inner wall of the left side of the outer frame. The right end of the inner rotating shaft is sealed. A flushing pipe quick-connect joint is provided on the top of the left end of the outer frame. The flushing pipe quick-connect joint is connected to the inner rotating shaft through a mechanical sealing joint. Five flushing nozzles are arranged on the outer wall of the inner rotating shaft from left to right, the outer cylinder body is slidably connected to the outer wall of the inner rotating shaft left and right, the five flushing nozzles on the inner rotating shaft are blocked by the outer cylinder body, a groove is provided on the inner wall of the outer cylinder body relative to the position of the flushing nozzle, and a notch for flushing is also provided on the outer wall of the outer cylinder body, the stirring blade set is fixed on the outer wall of the outer cylinder body, five stirring blades are installed on the outer wall of the outer cylinder body from left to right, the notch is connected with the groove, a transmission convex strip is also provided on the outer wall of the inner rotating shaft, a connecting groove is provided on the inner wall of the outer cylinder body relative to the position of the transmission convex strip, the inner rotating shaft rotates with the outer cylinder body through the cooperation of the transmission convex strip and the connecting groove, the output shaft of the first servo motor extends into the second rotating shaft and is connected to the telescopic electric cylinder, the output shaft end of the telescopic electric cylinder is connected to the transmission plate, three transmission rods are provided on the transmission plate, the three transmission rods extend into the cylindrical hopper and are connected to the outer cylinder body, and three connecting holes for connecting the three transmission rods are provided on the right end of the outer cylinder body.

[0005] Further: two support seats are respectively provided at the bottom of the front and rear ends of the outer frame, and a support rod is vertically fixed to the bottom of the support seat, and the lower end of the support rod extends into the connecting tube, and a track walking wheel is installed at the bottom of the connecting tube, and an annular weighing sensor is fixed in the lower end of the connecting tube, which is supported and connected to the annular weighing sensor through the support rod to measure the weight of the soil in the cylindrical hopper, and a lifting electric cylinder is installed at the bottom of the connecting tube, and the output shaft end of the lifting electric cylinder passes through the annular weighing sensor and is connected to the support rod to lift it up, and a second connecting hole is opened at the bottom of the support rod relative to the position of the output shaft end of the lifting electric cylinder.

[0006] Furthermore: two limit electric cylinders are respectively arranged on the front and rear outer walls of the outer frame, limit seats are arranged on the front and rear outer walls of the cylindrical hopper relative to the position of the limit electric cylinders, and limit holes are opened on the limit seats relative to the position of the shaft ends of the limit electric cylinders.

[0007] Furthermore: the flushing pipe quick connect connector includes an outer valve body, an inner valve body, a valve core and a spring. The inner wall of the outer valve body is composed of a threaded section and a guide section. One end of the inner valve body extends into the outer valve body and is fixedly connected thereto, and the other end of the inner valve body extends into the outer frame body and is connected to a mechanical sealing joint. The valve core is piston-connected between the inner wall of the guide section and the outer wall of the inner valve body and is connected to the outer valve body through a spring. A guide hole is opened on the side wall of the inner valve body, and the guide hole is sealed by the valve core.

[0008] Furthermore: the bottom surface of the cleaning chamber is in a groove shape, and a liftable rotating flushing nozzle is arranged on the grooved bottom surface; a lifting mechanism is arranged on the top of the cleaning chamber, and a lifting ear structure matching the lifting mechanism is arranged on the top of the outer frame; the water pipe on the top of the cleaning chamber is connected to the rotary joint through a telescopic pipe, and an external thread matching the threaded section of the outer valve body is arranged on the outer wall of the rotary joint; an annular extrusion portion connected to the end of the rotary joint away from the telescopic pipe is arranged, and the valve core is compressed by a spring through the extrusion of the annular extrusion portion.

[0009] Furthermore: a lower pressure electric cylinder is installed on the top of the second support plate, and the output shaft end of the lower pressure electric cylinder passes through the second support plate and is connected to the mounting plate, and a mounting seat connected thereto is provided at the bottom of the mounting plate, and a circular mounting groove matching the turntable is opened in the mounting seat, and the upper end of the turntable is rotatably connected in the circular mounting groove, and the lower end of the turntable extends out of the mounting seat, and an outer gear ring is mounted on the outer wall of the turntable extending out of the mounting seat, and the outer gear ring is meshed with the second driving gear, and the second driving gear is fixedly mounted on the output shaft of the second servo motor, and the second servo motor is fixed on the mounting plate, and three humidity detection sensors are connected to the bottom of the turntable, and the bottom of the humidity detection sensor is conical, and the three humidity detection sensors are respectively connected to the turntable through a first connecting rod, a second connecting rod and a third connecting rod, and the length of the second connecting rod is longer than the first connecting rod, and the length of the third connecting rod is longer than the second connecting rod.

[0010] Further: The method of using the above-mentioned contaminated soil treatment system with rapid cleaning capability specifically comprises the following steps: S1: using water-absorbing resin, cement and quicklime as raw materials, preparing a compound modified activation agent according to a certain weight ratio, and sending the prepared compound modified activation agent into a compound modified activation agent ingredient storage box for storage; S2: transporting soil into a hopper vehicle assembly passing through a loading station through a soil loading belt conveyor, and directly measuring the weight of the transported soil using the hopper vehicle assembly; S3: transport the hopper vehicle assembly to the detection and dosing station, first use the humidity sensor to measure the humidity of the transported soil, and then add 0.5%~8% of the compound modified activation agent to the soil according to the measured soil humidity and the weight of the transported soil; S4: Send the hopper vehicle assembly with the compound modified activation agent into the repair room, and leave it in the repair room for 12-48 hours to wait for self-dehydration and repair; S5: transport the hopper vehicle assembly repaired in step S4 back to the detection and dosing station, continue to test the humidity, transport it to the lifting platform when the humidity is less than 26%, transfer the soil to the soil discharging conveyor belt by flipping and dumping, and convey it out through the soil discharging conveyor belt. After the humidity is greater than or equal to 26%, send it back to the repair room to continue to stand and dehydrate and repair until the humidity is less than 26%; S6: After the hopper vehicle assembly is turned over and unloaded, it is transported back to the loading station to continue filling with soil, and steps S2 to S5 are re-executed until all the soil is repaired; S7: After all the soil is repaired in step S6, the hopper vehicle assembly is transported into the cleaning room for cleaning. After the cleaning is completed, the hopper vehicle assembly is continued to be sent to the loading station to wait for the next soil repair.

[0011] Furthermore, the raw material components of the compound modified activation agent in step S1 are as follows by weight: 5% to 10% water-absorbing resin, 5% to 10% cement, and 80% to 90% quicklime.

[0012] Furthermore: the compound modified activation agent is in powder form.

[0013] Furthermore: the water-absorbing resin is A1, and the cement is silicate cement.

[0014] After adopting the above structure, the beneficial effects of the present invention are as follows: 1. The present invention utilizes a hopper vehicle assembly to transport the soil to be treated to the detection and dosing station, which can not only accelerate soil dehydration by adding a compound modified activation agent, but also automatically complete the measurement of soil weight and original moisture, thereby adding an appropriate amount of the compound modified activation agent in a targeted manner, thereby saving resources and reducing costs.

[0015] 2. The present invention is provided with stirring blades in the cylindrical hopper, so that the compound modified activation agent can contact with the soil in all directions by stirring, thereby achieving the purpose of accelerating dehydration and increasing practical performance.

[0016] 3. The present invention can not only clean the cylindrical hopper through the rotary flushing nozzle that can be raised and lowered in the cleaning chamber, but also clean the cylindrical hopper through the flushing nozzle arranged on the inner rotating shaft, which plays a role in accelerating the cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 It is a top view of the structure of the present invention.

[0019] Figure 2 This is a top view of the hopper vehicle assembly.

[0020] Figure 3 This is the main structural diagram of the hopper vehicle assembly.

[0021] Figure 4 It is a structural diagram of the connection between the inner rotating shaft and the outer cylinder.

[0022] Figure 5 This is a diagram of the internal structure of the flushing pipe quick connect connector.

[0023] Figure 6 This is the installation structure diagram of the humidity detection sensor.

[0024] In the figure: 1 is a double-track track, 2 is a hopper vehicle assembly, 2-1 is an outer frame, 2-2 is a cylindrical hopper, 2-3 is a flip servo motor, 2-4 is a first rotating shaft, 2-5 is a limit electric cylinder, 2-6 is a limit seat, 2-7 is a support seat, 2-8 is a support rod, 2-9 is a connecting tube, 2-10 is a track walking wheel, 2-11 is a flushing pipe quick connector, 2-11-1 is an outer valve body, 2-11-2 is an inner valve body, 2-11-2-1 is a guide hole, 2-11-3 is a spring, 2-11-4 is a valve core, 2-12 is an inner rotating shaft, 2-13 is an outer cylinder, 2-14 is a driven gear, 2-15 is a driving gear, 2-16 is The first servo motor, 2-17 is a lifting ear structure, 2-18 is a flushing nozzle, 2-19 is a transmission convex strip, 2-20 is a stirring blade, 3 is a lifting platform, 3-1 is a discharge chute, 4 is a soil discharge transmission belt conveyor, 5 is a soil loading transmission belt conveyor, 6 is a first support plate, 7 is a second support plate, 8 is a compound modified activation agent ingredient storage box, 9 is a lower pressure electric cylinder, 10 is a repair chamber, 11 is a cleaning chamber, 13 is a mounting plate, 14 is a mounting seat, 15 is a turntable, 16 is an outer gear ring, 17 is a second servo motor, 18 is a second drive gear, 19 is a humidity detection sensor, 20-1 is a rotary joint, and 20-2 is an annular extrusion part. DETAILED DESCRIPTION

[0025] like Figure 1A contaminated soil treatment system with rapid cleaning capability is shown, comprising a double-track track 1 and a hopper vehicle assembly 2, wherein the double-track track 1 is connected end to end, and the hopper vehicle assembly 2 passes through a loading station, a detection and dosing station, a remediation chamber 10, a lifting platform 3 and a cleaning chamber 11 in sequence along the double-track track 1, a soil loading belt conveyor 5 is arranged on one side of the loading station, and a discharge port of the soil loading belt conveyor 5 extends to directly above the loading station, and a first support plate 6 and a second support plate 7 are horizontally arranged directly above the detection and dosing station, the first support plate 6 and the second support plate 7 are connected as a whole on the left and right and supported by a column arranged at the bottom, and three compound modified activation agent ingredient storage boxes 8 are arranged on the top of the first support plate 6 from left to right, and a screening funnel is installed at the discharge port at the bottom of the three compound modified activation agent ingredient storage boxes, and a discharge chute 3-1 is opened on the top of the lifting platform, and a soil discharge belt conveyor 4 is arranged directly below the discharge chute 3-1. During operation, soil is filled into the hopper vehicle assembly at the loading station, and after filling, it is transported to the detection and dosing station for humidity detection, and a corresponding amount of compound modified activation agent is added according to the detected humidity, and then the soil after adding the agent is sent to the repair room for automatic dehydration, and after dehydration, it is sent to the lifting platform, and unloaded by flipping and dumping. After unloading, it is sent back to the loading station to continue filling soil and dehydrating again. After all the soil is repaired, the hopper vehicle assembly is sent to the cleaning room for cleaning, and after cleaning, it is transported to the loading station again to wait for the next soil repair operation. The present invention uses the hopper vehicle assembly to transport the soil to be treated to the detection and dosing station, and it accelerates soil dehydration by adding compound modified activation agents, thereby improving the efficiency of soil repair.

[0026] like Figure 2 and Figure 4The hopper vehicle assembly 2 shown includes an outer frame 2-1, a cylindrical hopper 2-2, an inner rotating shaft 2-12, an outer cylinder 2-13, a stirring blade 2-20, a first rotating shaft 2-4, a second rotating shaft, a flip servo motor 2-3, a driving gear 2-15, a driven gear 2-14 and a first servo motor 2-16. The left and right ends of the cylindrical hopper 2-2 are rotatably connected in the outer frame 2-1 through the first rotating shaft 2-4 and the second rotating shaft. The first rotating shaft 2-4 and the second rotating shaft are both hollow shafts. The flip servo motor 2-3 and the first servo motor 2-16 are both installed on the outer wall of the outer frame 2-1. The driving gear 2-15 is installed On the output shaft of the flip servo motor 2-3, the driven gear 2-14 is mounted on the outer wall of the second rotating shaft and meshes with the driving gear 2-15. The inner rotating shaft 2-12 is horizontally rotatably connected in the cylindrical hopper 2-2. The inner rotating shaft 2-12 is also a hollow rotating shaft. The left end of the inner rotating shaft 2-12 extends into the first rotating shaft 2-4 and is rotatably connected to the mechanical sealing joint embedded on the left inner wall of the outer frame 2-1. The right end of the inner rotating shaft 2-12 is sealed. A flushing pipe quick-connect joint 2-11 is provided on the top of the left end of the outer frame. The flushing pipe quick-connect joint 2-11 is connected to the inner rotating shaft 2-12 through a mechanical sealing joint. The outer wall of the inner rotating shaft 2-12 is connected to each other, and five flushing nozzles 2-18 are arranged from left to right on the outer wall of the inner rotating shaft 2-12. The outer cylinder 2-13 is slidably connected to the outer wall of the inner rotating shaft 2-12 from left to right. The five flushing nozzles 2-18 on the inner rotating shaft 2-12 are shielded by the outer cylinder 2-13. A groove is provided on the inner wall of the outer cylinder relative to the position of the flushing nozzle 2-18. A notch for flushing is also provided on the outer wall of the outer cylinder 2-13. The stirring blade 2-20 is fixed on the outer wall of the outer cylinder 2-13. Five stirring blades 2-20 are installed on the outer wall of the outer cylinder 2-13 from left to right. The notch is connected to the groove. The outer wall of the inner rotating shaft 2-12 is also provided with a transmission ridge 2-19, and a connection groove is provided on the inner wall of the outer cylinder 2-13 at a position relative to the transmission ridge 2-19. The inner rotating shaft 2-12 rotates along with the outer cylinder 2-13 through the cooperation between the transmission ridge 2-19 and the connection groove. The output shaft of the first servo motor 2-16 extends into the second rotating shaft and is connected to the telescopic electric cylinder. The output shaft end of the telescopic electric cylinder is connected to the transmission plate. Three transmission rods are provided on the transmission plate. The three transmission rods extend into the cylindrical hopper 2-2 and are connected to the outer cylinder 2-13. Three connection holes 2-18 for connecting the three transmission rods are provided on the right end of the outer cylinder 2-13. The present invention adopts the above structure, which can not only make the compound modified activation agent contact with the soil in an all-round way by stirring, thereby achieving the purpose of accelerating dehydration; but also can drive the flushing nozzle to rotate through the inner rotating shaft to flush the inside of the cylindrical hopper, thereby improving the cleaning efficiency.

[0027] like Figure 3 The bottom of the front and rear ends of the outer frame 2-1 shown in the figure are respectively provided with two support seats 2-7, and the bottom of the support seat 2-7 is vertically fixed with a support rod 2-8, and the lower end of the support rod 2-8 extends into the connecting tube 2-9, and the bottom of the connecting tube 2-9 is installed with a track walking wheel 2-10, and the lower end of the connecting tube 2-9 is fixed with an annular weighing sensor, which is supported and connected to the annular weighing sensor by the support rod 2-8 to measure the weight of the soil in the cylindrical hopper 2-2, and the bottom of the connecting tube 2-9 is installed with a lifting electric cylinder, and the shaft end of the lifting electric cylinder passes through the annular weighing sensor and is connected to the support rod 2-8 and lifts it up, and the bottom of the support rod 2-8 is provided with a second connection hole relative to the position of the shaft end of the lifting electric cylinder. The present invention can automatically complete the weight measurement in the process of filling the soil by adopting this structure, and after the measurement is completed, the lifting electric cylinder can be started to separate the support rod from the annular weighing sensor to prevent long-term load-bearing from affecting the measurement accuracy.

[0028] like Figure 2 and Figure 3 Two limit electric cylinders 2-5 are respectively arranged on the front and rear outer walls of the outer frame 2-1, and a limit seat 2-6 is arranged on the front and rear outer walls of the cylindrical hopper 2-2 relative to the position of the limit electric cylinder 2-5, and a limit hole is opened on the limit seat 2-6 relative to the position of the shaft end of the limit electric cylinder 2-5.

[0029] like Figure 5 The flushing pipe quick connector 2-11 shown includes an outer valve body 2-11-1, an inner valve body 2-11-2, a valve core 2-11-4 and a spring 2-11-3. The inner wall of the outer valve body 2-11-1 is composed of a threaded section and a guide section. One end of the inner valve body 2-11-2 extends into the outer valve body 2-11-1 and is fixedly connected thereto. The other end of the inner valve body 2-11-2 extends into the outer frame 2-1 and is connected to a mechanical sealing joint. The valve core 2-11-4 is piston-connected between the inner wall of the guide section and the outer wall of the inner valve body 2-11-2 and is connected to the outer valve body 2-11-1 through a spring 2-11-3. A flow guide hole 2-11-2-1 is provided on the side wall of the inner valve body 2-11-2, and the flow guide hole 2-11-2-1 is sealed by the valve core 2-11-4. The present invention adopts the above structure to quickly complete the connection of the pipeline, which plays a role in increasing practical performance.

[0030] like Figure 1 and Figure 3The bottom surface of the cleaning chamber 11 is in the shape of a groove, and a rotary flushing nozzle that can be raised and lowered is arranged on the bottom surface of the groove. A lifting mechanism is arranged on the top of the cleaning chamber 11, and a lifting ear structure 2-17 matching the lifting mechanism is arranged on the top of the outer frame 2-1. The water pipe on the top of the cleaning chamber 11 is connected to the rotary joint 20-1 through a telescopic pipe, and an external thread matching the threaded section of the outer valve body 2-11-1 is arranged on the outer wall of the rotary joint. An annular extrusion part 20-2 connected to the rotary joint is arranged at one end of the rotary joint away from the telescopic pipe, and the valve core 2-11-4 is compressed by the spring 2-11-3 of the annular extrusion part 20-2. The liquid outlet at the bottom of the groove in the cleaning chamber is connected to the wastewater collection and recovery device, and the wastewater collection and recovery device is used to prevent secondary pollution caused by the flushing water. By adopting this structure, the practical performance is increased.

[0031] like Figure 6 A lower piezoelectric cylinder 9 is installed on the top of the second support plate 7 shown in the figure. The output shaft end of the lower piezoelectric cylinder 9 passes through the second support plate 7 and is connected to the mounting plate 13. A mounting seat 14 connected to it is provided at the bottom of the mounting plate 13. A circular mounting groove matching the turntable 15 is opened in the mounting seat. The upper end of the turntable 15 is rotatably connected in the circular mounting groove, and the lower end of the turntable 15 extends out of the mounting seat 14. An outer gear ring 16 is mounted on the outer wall of the turntable 15 extending out of the mounting seat 14. The outer gear ring 16 is meshed with a second drive gear 18. The second drive gear 18 is fixedly mounted on the output shaft of the second servo motor 17. The second servo motor 17 is fixed on the mounting plate 13. Three humidity detection sensors 19 are connected to the bottom of the turntable 15. The bottom of the humidity detection sensor 19 is conical. The three humidity detection sensors 19 are respectively connected to the turntable through a first connecting rod, a second connecting rod and a third connecting rod. The length of the second connecting rod is longer than that of the first connecting rod, and the length of the third connecting rod is longer than that of the second connecting rod.

[0032] The present invention also provides a method for using a contaminated soil treatment system with rapid cleaning capability, which specifically comprises the following steps: S1: using water-absorbing resin, cement and quicklime as raw materials, preparing a compound modified activation agent according to a certain weight ratio, and sending the prepared compound modified activation agent into a compound modified activation agent ingredient storage box for storage; S2: transporting soil into a hopper vehicle assembly passing through a loading station through a soil loading belt conveyor, and directly measuring the weight of the transported soil using the hopper vehicle assembly; S3: transport the hopper vehicle assembly to the detection and dosing station, first use the humidity sensor to measure the humidity of the transported soil, and then add 0.5%~8% of the compound modified activation agent to the soil according to the measured soil humidity and the weight of the transported soil; S4: Send the hopper vehicle assembly with the compound modified activation agent into the repair room, and leave it in the repair room for 12-48 hours to wait for self-dehydration and repair; S5: transport the hopper vehicle assembly repaired in step S4 back to the detection and dosing station, continue to test the humidity, transport it to the lifting platform when the humidity is less than 26%, transfer the soil to the soil discharging conveyor belt by flipping and dumping, and convey it out through the soil discharging conveyor belt. After the humidity is greater than or equal to 26%, send it back to the repair room to continue to stand and dehydrate and repair until the humidity is less than 26%; S6: After the hopper vehicle assembly is turned over and unloaded, it is transported back to the loading station to continue filling with soil, and steps S2 to S5 are re-executed until all the soil is repaired; S7: After all the soil is repaired in step S6, the hopper vehicle assembly is transported into the cleaning room for cleaning. After the cleaning is completed, the hopper vehicle assembly is continued to be sent to the loading station to wait for the next soil repair.

[0033] The raw material components of the compound modified activation agent in the above step S1 are as follows by weight: 5% to 10% water-absorbing resin, 5% to 10% cement, and 80% to 90% quicklime.

[0034] The above-mentioned compound modified activating agent is in powder form, the water-absorbing resin is A1, and the cement is silicate cement. Embodiment 1

[0035] When treating the soil, add 0.5% of the compound modified activating agent to the soil. The compound modified activating agent is composed of 5% water-absorbing resin, 5% cement and 90% quicklime. The specific treatment results are shown in the following table: Compound agent treatment 0.5% Initial mass (g) Mass at constant weight at 105℃ (g) Moisture content% soil 105.18 70.05 33.3% 24hr 108.39 80.63 25.6% 48hr 100.84 77.18 23.5% Embodiment 2

[0036] When treating oily soil, add 3% of the compound modified activating agent to the soil. The compound modified activating agent is composed of 8% water-absorbing resin, 8% cement and 84% quicklime. The specific treatment results are shown in the following table: Compound drug treatment 3% Initial mass (g) Mass at constant weight at 105℃ (g) Moisture content% Oil Clay 108.8 56.05 48.5% 24hr 110.39 81.73 26.0% 48hr 99.34 76.99 22.5% Embodiment 3

[0037] When treating oily sludge, add 8% of compound modified activating agent to the soil. The compound modified activating agent is composed of 10% water-absorbing resin, 10% cement and 80% quicklime. The specific treatment results are shown in the following table: Compound drug treatment 8% Initial mass (g) Mass at constant weight at 105℃ (g) Moisture content% Sludge 109.8 42.15 61.6% 24hr 100.39 58.73 41.5% 48hr 99.34 75.79 23.7% The above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims

1. A contaminated soil treatment system with rapid cleaning capability, characterized in that: The invention comprises a double-track track (1) and a hopper vehicle assembly (2), wherein the double-track track (1) is connected end to end, and the hopper vehicle assembly (2) passes through a loading station, a detection and dosing station, a repair room (10), a lifting platform (3) and a cleaning room (11) in sequence along the double-track track (1), a soil loading belt conveyor (5) is arranged on one side of the loading station, and the discharge port of the soil loading belt conveyor (5) extends to the top of the loading station, and a first support plate (11) is arranged horizontally above the detection and dosing station. 6) and a second support plate (7), the first support plate (6) and the second support plate (7) are connected to each other in one piece and supported by a column arranged at the bottom, three compound modified activated agent ingredient storage boxes (8) are arranged on the top of the first support plate (6) from left to right, and a screening funnel is installed at the discharge port at the bottom of each of the three compound modified activated agent ingredient storage boxes, a discharge chute (3-1) is opened on the top of the lifting platform, and a soil discharge transmission belt conveyor (4) is arranged directly below the discharge chute (3-1); The hopper vehicle assembly (2) comprises an outer frame (2-1), a cylindrical hopper (2-2), an inner rotating shaft (2-12), an outer cylindrical body (2-13), a stirring blade (2-20), a first rotating shaft (2-4), a second rotating shaft, a flip servo motor (2-3), a driving gear (2-15), a driven gear (2-14) and a first servo motor (2-16). The left and right ends of the cylindrical hopper (2-2) are rotatably connected in the outer frame (2-1) via the first rotating shaft (2-4) and the second rotating shaft. The first rotating shaft (2-4) and the second rotating shaft are both hollow shafts. The flip servo motor (2-3) and the first servo motor (2-16) are both mounted on the outer wall of the outer frame (2-1). The driving gear (2-15) and the driven gear (2-14) are both mounted on the outer wall of the outer frame (2-1). The wheel (2-15) is mounted on the output shaft of the flip servo motor (2-3), the driven gear (2-14) is mounted on the outer wall of the second rotating shaft and meshes with the driving gear (2-15), the inner rotating shaft (2-12) is horizontally rotatably connected in the cylindrical hopper (2-2), the inner rotating shaft (2-12) is also a hollow rotating shaft, the left end of the inner rotating shaft (2-12) extends into the first rotating shaft (2-4) and is rotatably connected to a mechanical sealing joint embedded on the left inner wall of the outer frame (2-1), the right end of the inner rotating shaft (2-12) is sealed, and a flushing pipe quick-connect joint (2-11) is provided at the top of the left end of the outer frame, and the flushing pipe quick-connect joint (2-11) is connected to the inner rotating shaft through the mechanical sealing joint. The outer wall of the inner rotating shaft (2-12) is connected to the outer wall of the inner rotating shaft (2-12), five flushing nozzles (2-18) are arranged from left to right, the outer cylinder (2-13) is slidably connected to the outer wall of the inner rotating shaft (2-12), the five flushing nozzles (2-18) on the inner rotating shaft (2-12) are shielded by the outer cylinder (2-13), a groove is provided on the inner wall of the outer cylinder relative to the position of the flushing nozzle (2-18), and a notch for flushing is also provided on the outer wall of the outer cylinder (2-13), the stirring blade (2-20) is fixed on the outer wall of the outer cylinder (2-13), five stirring blades (2-20) are installed on the outer wall of the outer cylinder (2-13) from left to right, and the notch is in contact with the groove. The inner rotating shaft (2-12) is connected to the outer wall of the inner rotating shaft (2-12), and a transmission convex strip (2-19) is provided on the inner wall of the outer cylinder (2-13), and a connection groove is provided at a position relative to the transmission convex strip (2-19). The inner rotating shaft (2-12) rotates together with the outer cylinder (2-13) through the cooperation between the transmission convex strip (2-19) and the connection groove. The output shaft of the first servo motor (2-16) extends into the second rotating shaft and is connected to the telescopic electric cylinder. The output shaft end of the telescopic electric cylinder is connected to the transmission plate. Three transmission rods are provided on the transmission plate. The three transmission rods extend into the cylindrical hopper (2-2) and are connected to the outer cylinder (2-13). Three connection holes (2-18) for connecting the three transmission rods are provided on the right end of the outer cylinder (2-13).

2. A contaminated soil treatment system with rapid cleaning capability according to claim 1, characterized in that: Two support seats (2-7) are respectively arranged at the bottom of the front and rear ends of the outer frame (2-1); a support rod (2-8) is vertically fixed to the bottom of the support seat (2-7); the lower end of the support rod (2-8) extends into the connecting tube (2-9); a track walking wheel (2-10) is installed at the bottom of the connecting tube (2-9); an annular weighing sensor is fixed inside the lower end of the connecting tube (2-9); the weight of the soil in the cylindrical hopper (2-2) is measured by connecting the annular weighing sensor to the support rod (2-8); a lifting electric cylinder is installed at the bottom of the connecting tube (2-9); the shaft end of the lifting electric cylinder passes through the annular weighing sensor and is connected to the support rod (2-8) to lift it up; a second connecting hole is opened at the bottom of the support rod (2-8) relative to the shaft end of the lifting electric cylinder.

3. The contaminated soil treatment system with rapid cleaning capability according to claim 1, characterized in that: Two limit electric cylinders (2-5) are respectively arranged on the front and rear outer walls of the outer frame (2-1); a limit seat (2-6) is arranged on the front and rear outer walls of the cylindrical hopper (2-2) at a position relative to the limit electric cylinder (2-5); and a limit hole is provided on the limit seat (2-6) at a position relative to the shaft end of the limit electric cylinder (2-5).

4. The contaminated soil treatment system with rapid cleaning capability according to claim 1, characterized in that: The flushing pipe quick-connect connector (2-11) comprises an outer valve body (2-11-1), an inner valve body (2-11-2), a valve core (2-11-4) and a spring (2-11-3). The inner wall of the outer valve body (2-11-1) is composed of a threaded section and a guide section. One end of the inner valve body (2-11-2) extends into the outer valve body (2-11-1) and is fixedly connected thereto. The other end of the inner valve body (2-11-2) extends into the outer frame (2 -1) and connected to a mechanical sealing joint, the valve core (2-11-4) is piston-connected between the inner wall of the guide section and the outer wall of the inner valve body (2-11-2) and is connected to the outer valve body (2-11-1) through a spring (2-11-3), a guide hole (2-11-2-1) is opened on the side wall of the inner valve body (2-11-2), and the guide hole (2-11-2-1) is sealed by the valve core (2-11-4).

5. A contaminated soil treatment system with rapid cleaning capability according to claim 4, characterized in that: The bottom surface of the cleaning chamber (11) is in the shape of a groove, and a rotatable flushing nozzle that can be raised and lowered is arranged on the bottom surface of the groove. A lifting mechanism is arranged on the top of the cleaning chamber (11), and a lifting ear structure (2-17) matching the lifting mechanism is arranged on the top of the outer frame (2-1). The water pipe on the top of the cleaning chamber (11) is connected to the rotary joint (20-1) through a telescopic pipe, and an external thread matching the threaded section of the outer valve body (2-11-1) is arranged on the outer wall of the rotary joint. An annular extrusion portion (20-2) connected to the rotary joint is arranged at one end of the rotary joint away from the telescopic pipe, and the valve core (2-11-4) is compressed by the spring (2-11-3) extruded by the annular extrusion portion (20-2).

6. The contaminated soil treatment system with rapid cleaning capability according to claim 1, characterized in that: A lower pressure electric cylinder (9) is installed on the top of the second support plate (7), and the output shaft end of the lower pressure electric cylinder (9) passes through the second support plate (7) and is connected to the mounting plate (13). The bottom of the mounting plate (13) is provided with a mounting seat (14) connected thereto in one piece, and a circular mounting groove matching the turntable (15) is provided in the mounting seat. The upper end of the turntable (15) is rotatably connected in the circular mounting groove, and the lower end of the turntable (15) extends out of the mounting seat (14). An outer gear ring (16) is mounted on the outer wall of the turntable (15) extending out of the mounting seat (14). The outer gear ring (16) is provided on the outer wall of the turntable (15). The ring (16) is meshed with the second driving gear (18), and the second driving gear (18) is fixedly mounted on the output shaft of the second servo motor (17). The second servo motor (17) is fixed on the mounting plate (13). The bottom of the turntable (15) is connected to three humidity detection sensors (19), and the bottom of the humidity detection sensor (19) is conical. The three humidity detection sensors (19) are respectively connected to the turntable through a first connecting rod, a second connecting rod and a third connecting rod. The length of the second connecting rod is longer than that of the first connecting rod, and the length of the third connecting rod is longer than that of the second connecting rod.

7. A contaminated soil treatment system with rapid cleaning capability according to any one of claims 1 to 6, characterized in that: The method for using the above-mentioned contaminated soil treatment system with rapid cleaning capability specifically comprises the following steps: S1: using water-absorbing resin, cement and quicklime as raw materials, preparing a compound modified activation agent according to a certain weight ratio, and sending the prepared compound modified activation agent into a compound modified activation agent ingredient storage box for storage; S2: transporting soil into a hopper vehicle assembly passing through a loading station through a soil loading belt conveyor, and directly measuring the weight of the transported soil using the hopper vehicle assembly; S3: transport the hopper vehicle assembly to the detection and dosing station, first use the humidity sensor to measure the humidity of the transported soil, and then add 0.5%~8% of the compound modified activation agent to the soil according to the measured soil humidity and the weight of the transported soil; S4: Send the hopper vehicle assembly with the compound modified activation agent into the repair room, and leave it in the repair room for 12-48 hours to wait for self-dehydration and repair; S5: transport the hopper vehicle assembly repaired in step S4 back to the detection and dosing station, continue to test the humidity, transport it to the lifting platform when the humidity is less than 26%, transfer the soil to the soil discharging conveyor belt by flipping and dumping, and convey it out through the soil discharging conveyor belt. After the humidity is greater than or equal to 26%, send it back to the repair room to continue to stand and dehydrate and repair until the humidity is less than 26%; S6: After the hopper vehicle assembly is turned over and unloaded, it is transported back to the loading station to continue filling with soil, and steps S2 to S5 are re-executed until all the soil is repaired; S7: After all the soil is repaired in step S6, the hopper vehicle assembly is transported into the cleaning room for cleaning. After the cleaning is completed, the hopper vehicle assembly is continued to be sent to the loading station to wait for the next soil repair.

8. The contaminated soil treatment system with rapid cleaning capability according to claim 7, characterized in that: The raw material components of the compound modified activation agent in step S1 are as follows by weight: 5% to 10% water-absorbing resin, 5% to 10% cement, and 80% to 90% quicklime.

9. The contaminated soil treatment system with rapid cleaning capability according to claim 7, characterized in that: The compound modified activation agent is in powder form.

10. The contaminated soil treatment system with rapid cleaning capability according to claim 7, characterized in that: The water-absorbing resin is A1, and the cement is silicate cement.

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