Leaching device for heavy metal contaminated soil remediation

Abstract

The utility model relates to the field of contaminated soil remediation, in particular to a leaching device for heavy metal contaminated soil remediation, which comprises a feeding box, a soil crushing box, a leaching box, a belt conveyor, a filter frame, a heavy ion sensor, a solution tank and a solution sprayer. Heavy metal components in soil are detected through the heavy ion sensor, signals are transmitted to the controller through the signal transceiver, the controller controls the electric valve to open the appropriate solution tank, a solution in the solution tank enters the solution sprayer through the liquid conveying pipe to be sprayed, a first limiting groove is embedded into a first limiting block, and the solution in the solution tank is sprayed. A second limiting block is embedded into a second limiting groove, a third limiting block is embedded into a third limiting groove, the feeding box, the soil crushing box, the leaching box and the belt conveyor can be rapidly disassembled, a limiting screw is taken out along a threaded hole, a soil crushing cutter can be rapidly taken out, and cleaning is convenient.

Description

Technical Field

[0001] This utility model belongs to the field of soil remediation, specifically relating to a leaching device for remediating heavy metal contaminated soil. Background Technology

[0002] Remediation of soil contaminated with heavy metals has become a necessary development direction, and leaching devices for the remediation of heavy metal contaminated soil are being promoted.

[0003] However, traditional leaching devices for the remediation of heavy metal contaminated soil are too cumbersome to change solutions when cleaning soils with different types of heavy metals. Furthermore, the infusion tubing is difficult to clean after use, and the existing devices are difficult to disassemble and clean, which affects subsequent use and needs further improvement.

[0004] Therefore, a novel leaching device for the remediation of heavy metal contaminated soil is proposed. It can automatically change the required solution according to the different types of heavy ions in the soil. After each solution is used, the water supply pipe can be automatically cleaned. It is also easier to disassemble and facilitates subsequent cleaning. Utility Model Content

[0005] To overcome the problems of existing leaching devices for heavy metal contaminated soil remediation being too cumbersome to replace solutions with different types of heavy metal ions and inconvenient for subsequent disassembly and cleaning, a novel leaching device for heavy metal contaminated soil remediation is proposed.

[0006] The technical solution of this utility model is as follows: a leaching device for remediation of heavy metal contaminated soil, comprising a feed box, a soil crushing box, a leaching box, and a belt conveyor, and further comprising a filter frame, a heavy ion sensor, a solution tank, and a solution sprayer. The soil crushing box is located at the lower end of the feed box, the leaching box at the lower end of the soil crushing box, and the belt conveyor at the lower end of the leaching box. A heavy ion sensor is installed at the front opening of the feed box, a signal transceiver is installed at the upper edge of the feed box, and a power supply is installed at the rear end of the feed box. The outer wall of the shower tank is equipped with an infusion pipe, and four solution tanks are equidistantly distributed around the shower tank on the infusion pipe. The solution tanks are equipped with a lid at the top and an electric valve is installed at the outlet of the solution tank. The electric valve is equipped with a controller at the top and the outlet of the electric valve is connected to the inlet of the infusion pipe. The inner wall of the shower tank is provided with slots, and solution sprayers are installed in the slots. The solution sprayers are connected to the outlet of the infusion pipe through a hose at the inlet.

[0007] Preferably, the upper end of the soil crushing box is provided with three sets of equidistant slots, and soil crushing blades are rotatably installed in the slots.

[0008] Preferably, a gear is installed at the rear end of the soil crushing blade, a frame is fixedly connected to the rear end of the soil crushing box, a motor is installed on the inner wall of the rear end of the frame, the output end of the motor is connected to the gear in the middle, and the gear in the middle meshes with the gears on both sides.

[0009] Preferably, the front and rear ends of the soil crushing box are provided with threaded holes that are symmetrically distributed. Limiting screws are installed in the threads of the threaded holes, and the limiting screws are located at the upper end of the soil crushing blade.

[0010] Preferably, the bottom of the soil crushing box is provided with a storage hole, and the left and right ends of the storage hole are provided with symmetrically distributed sliding grooves. A filter frame is installed in the storage hole, and the left and right ends of the filter frame are fixed with sliders that are compatible with the sliding grooves. A handle is installed at the front end of the filter frame.

[0011] Preferably, the lower end of the feed box is fixed with a first limiting block that is symmetrically distributed on the left and right, the lower end of the soil crushing box is fixed with a second limiting block that is symmetrically distributed on the left and right, and the lower end of the washing box is fixed with a third limiting block that is symmetrically distributed on the left and right.

[0012] Preferably, the upper ends of the soil crushing box, the washing box, and the belt conveyor are respectively provided with a first limiting groove, a second limiting groove, and a third limiting groove. The first limiting block is adapted to the first limiting groove, the second limiting block is adapted to the second limiting groove, and the third limiting block is adapted to the third limiting groove.

[0013] The beneficial effects of this utility model are:

[0014] 1. The heavy metal content in the soil is detected by a heavy ion sensor and the signal is transmitted to the controller through a signal transceiver. The controller controls the electric valve to open the appropriate solution tank. The solution in the solution tank enters the solution sprayer through the infusion pipe and is sprayed. Compared with the original spraying structure, different solutions can be quickly changed for spraying.

[0015] 2. By embedding the first limiting groove into the first limiting block, the second limiting groove into the second limiting block, and the third limiting groove into the third limiting block, the disassembly between the feed box, the soil crushing box, the washing box, and the belt conveyor can be completed quickly. The soil crushing blade can be quickly removed by taking out the limiting screw along the threaded hole for easy cleaning. Compared with the existing installation structure, this facilitates subsequent disassembly, cleaning, and installation. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the leaching device for remediation of heavy metal contaminated soil according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural disassembly of the leaching device for remediation of heavy metal contaminated soil according to this utility model.

[0018] Figure 3The diagram shown is a three-dimensional disassembled view of the feed box and soil crushing box of the leaching device for heavy metal contaminated soil remediation of this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional disassembled view of the soil crushing box and filter frame of the leaching device for heavy metal contaminated soil remediation of this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional disassembled schematic of the rinsing tank and belt conveyor of the rinsing device for remediation of heavy metal contaminated soil according to this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Feed box; 2. Soil crushing box; 3. Washing box; 4. Belt conveyor; 5. Filter frame; 6. Heavy ion sensor; 7. Signal transceiver; 8. Power supply; 9. Solution tank; 10. Controller; 11. Electric valve; 12. Tank lid; 13. Solution sprayer; 14. Limit screw; 15. Threaded hole; 16. Soil crushing blade; 17. Gear; 18. Motor; 19. First limit block; 20. First limit groove; 21. Slide groove; 22. Sliding block; 23. Handle; 24. Second limit block; 25. Second limit groove; 26. Third limit block; 27. Third limit groove; 28. Infusion tube; 29. ​​Storage hole; 30. Frame. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5 This utility model provides an embodiment of a leaching device for the remediation of heavy metal contaminated soil, comprising a feed box 1, a soil crushing box 2, a leaching box 3, and a belt conveyor 4. It also includes a filter frame 5, a heavy ion sensor 6, a solution tank 9, and a solution sprayer 13. The soil crushing box 2 is located at the lower end of the feed box 1, the leaching box 3 is located at the lower end of the soil crushing box 2, and the belt conveyor 4 is located at the lower end of the leaching box 3. The heavy ion sensor 6 is installed at the front opening of the feed box 1, a signal transceiver 7 is installed at the upper edge of the feed box 1, and a power supply 8 is installed at the rear end of the feed box 1. The leaching box 3... An infusion pipe 28 is installed around the outer wall of the shower tank 3. Four solution tanks 9 are equidistantly distributed around the shower tank 3 on the infusion pipe 28. A tank cover 12 is provided at the upper end of the solution tank 9. An electric valve 11 is installed at the water outlet of the solution tank 9. A controller 10 is installed at the upper end of the electric valve 11. The water outlet of the electric valve 11 is connected to the water inlet of the infusion pipe 28. The inner wall of the shower tank 3 has slots around the shower tank 3. Solution sprayers 13 are installed in the slots and are equidistantly distributed. The solution sprayers 13 are connected to the water outlet of the infusion pipe 28 through a hose at the water inlet.

[0024] The heavy ion sensor 6 detects the heavy metal components in the soil and transmits the signal to the controller 10 through the signal transceiver 7. The controller 10 controls the electric valve 11 to open the appropriate solution tank 9. The solution in the solution tank 9 enters the solution sprayer 13 through the infusion pipe 28 and is sprayed.

[0025] Please see Figures 3-4 In this embodiment, the upper end of the soil crushing box 2 is provided with three sets of equidistant slots, and soil crushing blades 16 are rotatably installed in the slots. During use, the soil crushing blades 16 rotate to crush the soil, making the spraying more uniform. A gear 17 is installed at the rear end of the soil crushing blades 16. A frame 30 is fixedly connected to the rear end of the soil crushing box 2. A motor 18 is installed on the inner wall of the rear end of the frame 30. The output end of the motor 18 is connected to the middle gear 17. The middle gear 17 meshes with the gears 17 on both sides. During use, the motor 18 drives the gears 17 to rotate, which in turn drives the soil crushing blades 16 to rotate.

[0026] Please see Figure 4 In this embodiment, the front and rear ends of the soil crushing box 2 are provided with threaded holes 15 symmetrically distributed. The threaded holes 15 are threaded with limiting screws 14, which are located at the upper end of the soil crushing blade 16. During use, the limiting screws 14 are threaded into the threaded holes 15 to prevent the soil crushing blade 16 from shaking up and down when it is running. The lower end of the soil crushing box 2 is provided with a storage hole 29. The left and right ends of the storage hole 29 are provided with sliding grooves 21 symmetrically distributed. A filter frame 5 is provided in the storage hole 29. The left and right ends of the filter frame 5 are fixed with sliders 22, which are adapted to the sliding grooves 21. A handle 23 is installed at the front end of the filter frame 5. During use, the filter frame 5 is pulled along the sliding grooves 21 by using the handle 23 to prevent incomplete spraying when too much soil falls.

[0027] Please see Figures 3-5 In this embodiment, the lower end of the feed box 1 is fixed with a first limiting block 19 symmetrically distributed on the left and right, the lower end of the soil crushing box 2 is fixed with a second limiting block 24 symmetrically distributed on the left and right, and the lower end of the washing box 3 is fixed with a third limiting block 26 symmetrically distributed on the left and right. In use, the feed box 1, soil crushing box 2, washing box 3 and belt conveyor 4 are fixed by the first limiting block 19, the second limiting block 24 and the third limiting block 26. The upper ends of the soil crushing box 2, the washing box 3 and the belt conveyor 4 are respectively provided with a first limiting groove 20, a second limiting groove 25 and a third limiting groove 27. The first limiting block 19 and the first limiting groove 20 are adapted to each other, the second limiting block 24 and the second limiting groove 25 are adapted to each other, and the third limiting block 26 and the third limiting groove 27 are adapted to each other. In use, the mutual adaptation between the three sets of limiting blocks and limiting grooves facilitates the disassembly of the feed box 1, the soil crushing box 2, the washing box 3 and the belt conveyor 4.

[0028] Before use, first open the can lid 12 and pour three solutions and one can of clean water into the four solution tanks 9 respectively, and send a signal to the signal transceiver 7 to turn on the heavy ion sensor 6 and the motor 18.

[0029] When the soil to be repaired enters the feed box 1 through the feed hole at the front end of the feed box 1, the heavy ion sensor 6 detects the heavy metal content in the soil and transmits the signal to the controller 10 through the signal transceiver 7. The controller 10 controls the electric valve 11 to open the appropriate solution tank 9. The solution in the solution tank 9 enters the solution sprayer 13 through the infusion pipe 28. The soil to be repaired enters the soil crushing box 2 through the feed box 1. The motor 18 drives the gear 17 to rotate, which in turn drives the soil crushing blade 16 to rotate and crush the soil. The soil that is not completely crushed remains in the filter frame 5. The completely crushed soil enters the rinsing box 3 for rinsing. After rinsing, it falls into the belt conveyor 4.

[0030] After the soil remediation is completed, a signal is sent to the transceiver 7 to control the closure of the solution tank 9 containing the appropriate solution, and the solution tank 9 containing clean water is opened to clean the infusion pipe 28 and the solution sprayer 13 to prevent it from affecting subsequent use.

[0031] Through the above steps, the heavy metal components in the soil are detected by the heavy ion sensor 6 and the signal is transmitted to the controller 10 through the signal transceiver 7. The controller 10 controls the electric valve 11 to open the appropriate solution tank 9. The solution in the solution tank 9 enters the solution sprayer 13 through the infusion pipe 28 and is sprayed. The first limiting block 19 is embedded in the first limiting groove 20, the second limiting block 24 is embedded in the second limiting groove 25, and the third limiting block 26 is embedded in the third limiting groove 27, which can quickly complete the disassembly between the feed box 1, the soil crushing box 2, the rinsing box 3 and the belt conveyor 4. The soil crushing blade 16 can be quickly removed by taking out the limiting screw 14 along the threaded hole 15 for easy cleaning. This solves the problem that the existing rinsing device for heavy metal contaminated soil remediation is too cumbersome to change the solution when facing different types of heavy metal ions and is not convenient for subsequent disassembly and cleaning.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A leaching device for remediation of heavy metal contaminated soil, comprising a feeding box (1), a soil crushing box (2), a leaching box (3) and a belt conveyor (4), characterized in that: It also includes a filter frame (5), a heavy ion sensor (6), a solution tank (9), and a solution sprayer (13). A soil crushing box (2) is installed at the lower end of the feed box (1), a washing box (3) is installed at the lower end of the soil crushing box (2), a belt conveyor (4) is installed at the lower end of the washing box (3), a heavy ion sensor (6) is installed at the front opening of the feed box (1), a signal transceiver (7) is installed at the upper edge of the feed box (1), a power supply (8) is installed at the rear end of the feed box (1), and an infusion pipe (28) is installed around the outer wall of the washing box (3). Four solution tanks (9) are installed on the top of the shower box (3) at equal intervals. The top of the solution tank (9) is provided with a tank cover (12). An electric valve (11) is installed at the water outlet of the solution tank (9). A controller (10) is installed at the top of the electric valve (11). The water outlet of the electric valve (11) is connected to the water inlet of the infusion pipe (28). The inner wall of the shower box (3) is provided with slots around the shower box (3). Solution sprayers (13) are installed in the slots at equal intervals. The solution sprayers (13) are connected to the water outlet of the infusion pipe (28) through the hose at the water inlet.

2. The leaching apparatus for remediation of heavy metal contaminated soil according to claim 1, characterized in that: The upper end of the soil crushing box (2) is provided with three sets of equidistant slots, and a soil crushing blade (16) is rotatably installed in the slot.

3. The leaching apparatus for remediation of heavy metal contaminated soil according to claim 2, characterized in that: A gear (17) is installed at the rear end of the soil crushing blade (16), and a frame (30) is fixedly connected to the rear end of the soil crushing box (2). A motor (18) is installed on the inner wall of the rear end of the frame (30). The output end of the motor (18) is connected to the gear (17) in the middle, and the gear (17) in the middle meshes with the gears (17) on both sides.

4. The leaching device for remediation of heavy metal contaminated soil according to claim 3, characterized in that: The front and rear ends of the soil crushing box (2) are provided with threaded holes (15) that are symmetrically distributed. The threaded holes (15) are fitted with limit screws (14) and the limit screws (14) are located at the upper end of the soil crushing blade (16).

5. The leaching apparatus for remediation of heavy metal contaminated soil according to claim 4, characterized in that: The bottom of the soil crushing box (2) is provided with a storage hole (29). The left and right ends of the storage hole (29) are provided with symmetrically distributed sliding grooves (21). A filter frame (5) is provided in the storage hole (29). The left and right ends of the filter frame (5) are fixed with sliders (22). The sliders (22) and the sliding grooves (21) are compatible. A handle (23) is installed at the front end of the filter frame (5).

6. The leaching apparatus for remediation of heavy metal contaminated soil according to claim 5, characterized in that: The lower end of the feed box (1) is fixed with a first limiting block (19) that is symmetrically distributed on the left and right, the lower end of the soil crushing box (2) is fixed with a second limiting block (24) that is symmetrically distributed on the left and right, and the lower end of the washing box (3) is fixed with a third limiting block (26) that is symmetrically distributed on the left and right.

7. The leaching apparatus for remediation of heavy metal contaminated soil according to claim 6, characterized in that: The upper ends of the soil crushing box (2), the washing box (3) and the belt conveyor (4) are respectively provided with a first limiting groove (20), a second limiting groove (25) and a third limiting groove (27). The first limiting block (19) is adapted to the first limiting groove (20), the second limiting block (24) is adapted to the second limiting groove (25), and the third limiting block (26) is adapted to the third limiting groove (27).

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